LG Electronics LSN180HEV1 LG Air Conditioner Cooling Area, User Manual

SINGLE ZONE MEGA WALL MOUNTED

ENGINEERING MANUAL

3/4, 1, 1-1/2, and 2 Tons

Mega Inverter Models:

LS090HEV1

LS120HEV1

LS180HEV1

LS240HEV1

3/4 and 1 Tons

Mega 115V Models:

LS090HXV

LS120HXV

For continual product development, LG Electronics U.S.A., Inc., reserves the right to change specifications without notice.

PROPRIETARY DATA NOTICE

This document, as well as all reports, illustrations, data, information,

and other materials are the property of LG Electronics U.S.A., Inc., and are

disclosed by LG Electronics U.S.A., Inc. only in confidence.

This document is for design purposes only.

A summary list of safety precautions is on page 4.

For more technical materials such as submittals, catalogs, installation,

owner’s, and service manuals, visit www.lghvac.com.

Due to our policy of continuous product innovation, some specications may change without notication.

Introduction

About LG Electronics

LG Electronics is a global leader and technology innovator in

consumer electronics, mobile communications, and home

appliances. LG Electronics comprises five business units—Home

Entertainment, Mobile Communications, Air Conditioning, Business

Solutions, and Home Appliance. LG is one of the world’s leading

producers of flat panel televisions, audio and video products, mobile

handsets, air conditioners, and washing machines. LG’s commercial

air conditioning business unit was established in 1968 and has built

its lineup of residential and commercial products to include VRF,

Multi F, duct-free split systems, packaged terminal air conditioners

(PTACs), and room air conditioners. In 2011, the air conditioning and

energy solutions business unit grew to include LED lighting and solar

products. For more information, visit www.lg.com.

Duct-Free Split Systems

LG HVAC systems offer a range of solutions that are cost efficient,

quiet and attractive. Duct-Free Split systems are “split” into indoor

and outdoor units, and provide a smart alternative to both central

HVAC and window-mounted air conditioners. These inverter heat

pump systems are available in a variety of configurations to suit dif-

ferent cooling and heating situations. Installation by a qualified HVAC

contractor is safe and easy – little to no duct work or sheet metal is

required.

Inverter Systems

LG Single Zone Mega Inverter and Mega 115V Wall Mounted air-

source systems offer the opportunity to minimize ductwork in the

same configuration. The system offers zoning without the need for

zone damper systems. The LG Single Zone Mega Inverter Wall

Mount system’s advanced controls provide exceptional building

dehumidification and temperature control, and can rapidly adapt sys-

tem operating parameters to the ever changing building load. The LG

Single Zone Mega Inverter Wall Mounted system is easy to design,

install, and maintain. The modular design allows occupants to control

their environmental condition, providing individualized control of the

set-point temperature and allowing occupants to condition only the

occupied zones.

Quality Commitment

LG is committed to the success of Duct-Free Split projects. We

provide industry leading technical support during installation and

commissioning. LG offers a variety of classes designed for installers

and servicers to ensure that every system installation is completed

successfully.

Classes are conducted at LG’s training centers and in field locations

at various times throughout the year and upon special request.

Due to our policy of continuous product innovation, some specications may change without notication.

Single Zone Mega Wall Mounted Engineering Manual

TABLE OF CONTENTS

INTRODUCTION ..................................................................................... 5

ARCHITECTURAL APPEAL .................................................................. 6

PRODUCT FEATURES AND BENEFITS ...............................................8

UNIT NOMENCLATURE ......................................................................... 9

General Data ................................................................................... 10-12

Electrical Data ...................................................................................... 13

Functions, Controls, and Options ...................................................... 14

Outdoor Unit Dimensions ................................................................... 15

LSU090HEV1, LSU120HEV1 ............................................................ 15

LSU180HEV1 .................................................................................... 16

LSU240HEV1 .................................................................................... 17

LSU090HXV1, LSU120HXV1 ............................................................ 18

Indoor Unit Dimensions ...................................................................... 19

LSN090HEV1 .................................................................................... 19

LSN120HEV1 .................................................................................... 20

LSN180HEV1, LSN240HEV1 ............................................................ 21

LSN090HXV, LSN120HXV ................................................................ 22

ACOUSTIC DATA .................................................................................23

Refrigerant Flow Diagrams ................................................................. 25

LSN/LSU90-180HEV1 ....................................................................... 25

LSN180HEV/LSU180HEV ................................................................. 26

LSN240HEV/LSU240HEV ................................................................. 27

LSN090HXV/LSU090HXV ................................................................. 28

Wiring Diagram .................................................................................... 29

LSN090HEV1 .................................................................................... 29

LSN120HEV1 .................................................................................... 30

LSN180HEV1, LSN240HEV1 ........................................................... 31

LSN090-120HXV ............................................................................... 32

LSU090HEV1, LSU120HEV1 ............................................................ 33

LSU180HEV1 ................................................................................... 34

LSU240HEV1 ................................................................................... 35

LSN090-120HXV ............................................................................... 36

Accessories ......................................................................................... 37

PERFORMANCE DATA ........................................................................ 39

Cooling Capacity ............................................................................... 40

Heating Capacity ............................................................................... 43

Equipment Selection Procedure ........................................................ 49

LS090~240HEV1 ............................................................................... 50

LS090HXV/LS120HXV ...................................................................... 51

Building Ventilation Design Guide ................................................ 52-53

Placement Considerations ............................................................ 54-56

REFRIGERANT PIPING DESIGN & LAYOUT

BEST PRACTICES ...............................................................................57

Refrigerant Piping Design .................................................................. 57

Design Guideline Summary ............................................................... 58

Selecting Field-Supplied Copper Tubing ........................................... 58

Installation & Layout Best Practices ................................................. 60

Refrigerant Piping System Layout ..................................................... 60

Piping Connection ............................................................................. 62

ELECTRICAL CONNECTIONS ............................................................64

Mechanical Specications .................................................................. 66

Acronyms ............................................................................................. 67

TABLE OF SYMBOLS

This symbol indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

This symbol indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

This symbol indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

This symbol indicates situations that may result in equipment or property damage accidents only.

This symbol indicates an action should not be completed.

DANGER

CAUTION

INTRODUCTION

“Architectural Appeal” on page 6

6 | INTRODUCTION

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

Benefits of Single Zone

Mega Inverter Wall Mounted

• Inverter technology

• Mega Inverter (HEV1) is available in 9,000,

12,000, 18,000, and 24,000 Btu/h capacities;

Mega 115V (HXV) is available in 9,000 and

12,000 Btu/h capacities

• All-season use - heat pump models for both

cooling and heating capabilities

• Operating ranges for Mega Inverter (HEV1)

and Mega 115V (HXV) outdoor units is 14°F to

118°F (DB) for cooling; 14°F to 65°F (WB) for

heating

• Operating range for all indoor units of 53°F to

75°F (WB) for cooling; 60°F to 86°F (DB) for

heating

• Quiet operation inside and outside

• Duct-free split system

Convergence of Technological Innovation with Flexibility and Style

Single Zone Mega

Wall Mounted

Choosing an LG Single-Zone Mega Wall-

Mounted product provides a system de-

signer an edge to engineer a system with

individual control, and design flexibility

with advanced controls.

These single-zone systems are available

in a nominal capacity range of 3/4 to 2

tons. These are best suited for applica-

tions with zones that require heating or

cooling, such as residential, and small

business office buildings. Single-Zone

Mega Wall-Mounted outdoor and indoor

units are available in 208–230V/60Hz/1Ph

(HEV1) and 115V/60Hz/1Ph (HXV).

Adaptable and Flexible

Single-zone wall-mounted duct-free split

systems allow cooling or heating for the

entire residence or just a single room with-

out the need for invasive ductwork. There

is minimal renovation needed.

Long refrigerant piping lengths allow for

extra design flexibility in indoor unit instal-

lation.

These units may be used for a number of

residential or commercial environments

such as:

• Older homes

• New home construction

• Office buildings

• Restaurants

• Hospitals / Medical facilities

• Schools

• Nursing homes

• Retail establishments

• Houses of worship

Inverter Technology

Inverter variable-speed duct-free split

systems are measurably quieter and

consume less energy than conventional

air conditioners. The inverter compressor

ramps up or down to match the required

room capacity and maintain the comfort

level. When the selected temperature is

reached, the inverter compressor oper-

ates at low speed to maintain that comfort

level, thereby using less energy.

ARCHITECTURAL APPEAL

“Product Features and Benefits” on page 8

“Unit Nomenclature” on page 9

“General Data” on page 10

“Electrical Data” on page 13

“Outdoor Unit Dimensions” on page 15

“Indoor Unit Dimensions” on page 19

“Acoustic Data” on page 23

“Refrigerant Flow Diagrams” on page 25

“Wiring Diagrams—Indoor Units” on page 29

“Wiring Diagrams—Outdoor Units” on page 33

“Accessories - LG Monitoring View Diagnostic Software”

on page 37

PRODUCT DATA

8 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

Single Zone Mega Wall

Mounted

Single zone systems are equipped with

inverter components that offer superior

load matching and long piping installation.

These products work for optimizing power

consumption in residential and small office

buildings. Utilizing multiple indoor wall

mounted units each with custom tempera-

ture controls allow for precise temperature

settings in each zone of the building. Single

zone systems allow flexibility in interior

design and complement any decor.

Low Sound Levels

When outdoor units run at full load, they

have a quiet operating sound level. To pro-

mote a quiet, comfortable environment, the

LG single zone system indoor units operate

at sound levels as low as 23 dB(A) (HXV

units; 19dB(A) in Sleep mode) and outdoor

units as low as 47 dB(A) at full load. All

rotating components are soft-started by the

controller using digitally controlled inverters,

which reduce undesirable noise caused by

fans and compressors cycling on and off.

Comfort Control at Its

Best

Unlike traditional air conditioning control

systems, which use thermostatic controls to

maintain room temperatures, LG single zone

inverter controls continuously vary the indoor

unit fan speed and refrigerant flow.

LG single zone one-to-one systems continu-

ously measure the room temperatures and

adjust system operations accordingly to

maintain set temperature.

The outdoor unit responds by varying the

compressor speed and outdoor fan motors

as needed to maintain system operating

pressure. As a result, single zone systems

deliver precise space temperature control.

Inverter Driven

The single rotary (9k/12k Btu/h systems)

and twin-rotary (18k/24k Btu/h systems)

compressor is optimized to maximize

compressor efficiency, which reduces power

consumption and monthly utility bills. This

latest inverter technology allows single zone

system outdoor units to vary the compressor

motor shaft speed to deliver an appropriate

amount of cooling to the indoor unit. Precise

refrigerant volume delivery translates into

long periods with coil surface temperatures

below dew point and minimizes compressor

and fan component run time, which may lead

to lower utility usage.

Simplified Installation

Cooling and heating applications that use

single zone systems simplify and reduce the

mechanical and control system design time.

The designer no longer has to be concerned

with interconnecting chilled and condenser

water piping, air-distribution duct systems,

matching and selecting chillers, towers,

pumps, coils, fans, air handlers, or Variable

Air Volume (VAV) boxes.

Operating Range

Single zone systems have a nominal capac-

ity range of 3/4 to 2 tons (depending on

outdoor/indoor units).

Outdoor unit operating ranges for both Mega

Inverter (HEV1) and Mega 115V (HXV)

single zone systems:

Cooling: 14°F DB to 118°F DB

Heating: 14°F WB to 65°F WB

Compact Size

Single zone outdoor units have the following

footprints.

LSU090HEV1, LSU120HEV1

(WxHxD (in.)): 28-1/4 x 19-1/2 x 9-1/16

LSU180HEV1

(WxHxD (in.)): 30-5/16 x 21-1/2 x 11-5/16

LSU240HEV1

(WxHxD (in.)): 34-1/4 x 25-13/16 x 12-19/32

LSU090HXV, LSU120HXV

(WxHxD (in.)): 28-1/4 x 19-1/32 x 9-1/16

Fin Design with Gold-

Fin™ Coating

All single zone outdoor units are provided

with large surface coils made of copper

tubes with louvered aluminum fins designed

to maximize unit operating efficiency over a

wide range of ambient conditions.

Standard from the factory, every single zone

outdoor unit coil fin surface is coated with

LG’s exclusive GoldFin™ anti-corrosive

coating designed to prevent natural surface

corrosion of the aluminum fins. This main-

tains heat transfer properties of the coil for

an extended time.

A hydrophilic coating is applied to the

outdoor unit coil fin surface over the GoldFin

coating. This coating enhances the develop-

ment of heavier water droplets gathering on

the fin surface. As a result, the droplets roll

off the fin surfaces, delaying the point when

frost forms on the coil surface during heat-

ing operation. This coating also makes it

possible to easily clean the outdoor unit coil

using a mild soap.

Other Features

• Inverter variable speed compressor

• Jet Cool/Jet Heat

• Dehumidifying mode

• Chaos Wind

• Auto restart

• Auto operation

• Self-cleaning indoor coil

• Condensate sensor connection

• Smaller footprint

• Precision load matching

• Meets AHRI 210/240

PRODUCT FEATURES AND BENEFITS

PRODUCT DATA | 9

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

UNIT NOMENCLATURE

Single Zone Wall Mount Indoor and Outdoor Units

N 090 HEV 1

Type

N = Indoor Wall Mount Unit

U = Outdoor Heat Pump Unit

Family

LA= Art Cool Premier / Gallery / Mirror

LS= High Efficiency Wall Mount / Standard / Mega

Generation or Revision

1 = First

2 = Second

3 = Third

4 = Fourth

Nominal Capacity

(Nominal cooling capacity in Btu/h)

090/091 = 9,000

120/121 = 12,000

180/181 = 18,000

240 = 24,000

300/307 = 30,000

360 = 36,000

Indoor/Outdoor Product

HEV = Mega

HXV = Mega 115V

HYV = Art Cool Premier

HVP = Art Cool Gallery

HSV = Art Cool Mirror, High Efficiency

HV = Standard

HLV = Extended Pipe

10 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

GENERAL DATA

Mega Pairing Table

Outdoor Unit Model Indoor Unit Model Controller

Mega Inverter

LSU090HEV1

LSU120HEV1

LSN090HEV1

LSN120HEV1

AKB73835318

LSU180HEV1 LSN180HEV1 AKB73835318

LSU240HEV1 LSN240HEV1 AKB73835318

Mega 115V

LSU090HXV

LSU120HXV

LSN090HXV

LSN120HXV

AKB73456121

Table 1: Single Zone Mega Inverter and Mega 115V Pairing Table

The following table shows the available outdoor and indoor unit, along with the factory provided controller.

PRODUCT DATA | 11

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

Table 2: Single Zone Mega Inverter System Specications.

GENERAL DATA

Mega Inverter Specications

System Model Number (IDU/ODU)

LS090HEV1

(LSN090HEV1/

LSU090HEV1)

LS120HEV1

(LSN120HEV1/

LSU120HEV1)

LS180HEV1

(LSN180HEV1/

LSU180HEV1)

LS240HEV1

(LSN240HEV1/

LSU240HEV1)

Cooling Capacity (Min/Rated/Max) (Btu/h)

3,070 ~ 8,500 ~ 9,500 3,070 ~ 12,000 ~ 13,780 3,685 ~ 17,000 ~ 18,493 3,685 ~ 22,000 ~ 24,000

Cooling Power Input

(kW)

0.68 1.14 1.55 2.045

Heating Capacity (Min/Rated/Max) (Btu/h)

3,070 ~ 9,000 ~ 10,500 3,070 ~ 12,000 ~ 13,780 3,685 ~ 19,000 ~ 22,997 3,685 ~ 22,000 ~ 24,226

Heating Power Input

(kW)

0.78 0.98 1.59 1.935

COP

11.54 12.24 11.95 11.37

Max. Heating Capacity (Btu/h)

Outdoor 17°F (WB)/Indoor 70°F (DB)

5,570 (62%) 7,620 (63%) 15,580 (82%) 18,040 (82%)

EER

12.5 10.52 10.97 10.76

SEER

19.0 17.0 18.0 17.0

HSPF

9.0 9.2 9.0 9.0

Power Supply (V/Hz/Ø)

208-230/60/1

Outdoor Unit Operating Range

Cooling (°F DB)

14 to 118

Heating (°F WB)

14 to 65

Indoor Unit Operating Range

Cooling (°F WB)

53 to 75

Heating (°F DB)

60 to 86

Indoor Temperature Setting Range

Cooling (°F)

64 to 86

Heating (°F)

60 to 86

Unit Data

Refrigerant Type

R410A

Refrigerant Control

EEV

IDU Sound Pressure

dB(A) (H/M/L/Sleep)

39/33/25/19 39/33/25/19 42/40/35/29 45/40/35/29

ODU Sound Pressure

dB(A)

47 47 51 53

Unit Weight (lbs)

IDU (Net/Shipping)

17/20 23/28 28/30 28/32

ODU (Net/Shipping)

62/67 62/67 78/82 95/104

Power/Communication Cable

(No. x AWG)

4 x 18

Compressor

Compressor Type (Qty)

Single Rotary (1) Single Rotary (1) Twin Rotary (1) Twin Rotary (1)

Fan

IDU Type (Qty)

Cross Flow (1)

ODU Type (Qty)

Propeller (1)

Motor/Drive

Brushless Digital Controlled/Direct

Airflow Rate

IDU Max/H/M/L (CFM)

318/276/226/177 424/353/272/212 629/512/441/353 689/600/494/388

ODU Max (CFM)

953 953 1,342 1,766

Piping

Liquid Line (in, OD)

1/4 1/4 1/4 1/4

Vapor Line (in, OD)

3/8 3/8 1/2 5/8

Condensation Line (OD, ID)

27/32, 5/8 27/32, 5/8 27/32, 5/8 27/32, 5/8

Additional Refrigerant Charge (oz/ft)

0.22 0.22 0.33 0.33

Pipe Length

(Minimum/Maximum)(ft)

9.8/49.2 9.8/49.2 9.8/65.6 9.8/65.6

Piping Length

(no add’l refrigerant, ft)

24.6 24.6 24.6 24.6

Max Elevation Difference (ft)

22.9 22.9 32.8 32.8

EEV: Electronic Expansion Valve IDU: Indoor Unit ODU: Outdoor Unit

Power Input is rated at high speed.

Take appropriate actions at the end of HVAC equipment life to recover, recycle, reclaim or destroy

R410A refrigerant according to applicable regulations (40 CFR Part 82, Subpart F) under section 608

of CAA.

Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745.

All power wiring/communication cables are field supplied and are to be minimum 18 AWG, 4-conductor,

stranded, shielded and must comply with applicable local and national codes.

Piping lengths are equivalent.

This unit comes with a dry helium charge.

This data is rated 0 ft above sea level with 24.6 of refrigerant line per indoor unit and a 0 ft level

difference outdoor and indoor units.

Cooling capacity rating obtained with air entering the indoor unit at 80ºF dry bulb (DB) and 67ºF wet

bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB).

Heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb (DB) and 59ºF wet

bulb (WB) and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB).

12 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

GENERAL DATA

Mega 115V Specications

Table 3: Single Zone Mega 115V System Specications.

System Model Number (IDU/ODU) LS090HXV (LSN090HXV/LSU090HXV) LS120HXV (LSN120HXV/LSU120HXV)

Cooling Capacity (Min/Rated/Max) (Btu/h)

1,023 ~ 8,500 ~ 13,785 1,023 ~ 12,000 ~ 13,785

Cooling Power Input

(kW)

0.71 1.14

Heating Capacity (Min/Rated/Max) (Btu/h)

1,023 ~ 10,900 ~ 22,178 1,023 ~ 13,000 ~ 22,178

Heating Power Input

(kW)

0.88 1.09

COP

3.63 3.50

EER

12.01 10.5

SEER

17.0 17.0

HSPF

9.0 9.0

Power Supply (V/Hz/Ø)

115/60/1

Outdoor Unit Operating Range

Cooling (°F DB)

14 to 118

Heating (°F WB)

14 to 65

Indoor Unit Operating Range

Cooling (°F WB)

53 to 75

Heating (°F DB)

60 to 86

Indoor Temperature Setting Range

Cooling (°F)

65 to 86

Heating (°F)

60 to 86

Unit Data

Refrigerant Type

R410A

Refrigerant Control

EEV

IDU Sound Pressure

dB(A) (H/M/L/Sleep)

39/33/23/19 39/33/23/19

ODU Sound Pressure

dB(A)

47 47

Unit Weight (lbs)

IDU (Net/Shipping)

23/26 23/26

ODU (Net/Shipping)

67/79 67/79

Power/Communication Cable

(No. x AWG)

4 x 18

Compressor

Compressor Type (Qty)

Single Rotary (1) Single Rotary (1)

Fan

IDU Type (Qty)

Cross Flow (1)

ODU Type (Qty)

Propeller (1)

Motor/Drive

Brushless Digitally Controlled/Direct

Airflow Rate

IDU Max/H/M/L (CFM)

335/272/212/124 335/272/212/124

ODU Max (CFM)

1,000 1,000

Piping

Liquid Line (in, OD)

1/4 1/4

Vapor Line (in, OD)

3/8 3/8

Condensation Line (OD, ID)

27/32, 5/8 27/32, 5/8

Additional Refrigerant Charge (oz/ft)

0.22 0.22

Pipe Length

(Minimum/Maximum)(ft)

6.6 / 49.2 6.6 / 49.2

Piping Length

(no add’l refrigerant, ft)

24.6 24.6

Max Elevation Difference (ft)

23 23

EEV: Electronic Expansion Valve IDU: Indoor Unit ODU: Outdoor Unit

Power Input is rated at high speed.

Take appropriate actions at the end of HVAC equipment life to recover, recycle, reclaim or destroy

R410A refrigerant according to applicable regulations (40 CFR Part 82, Subpart F) under section 608

of CAA.

Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745.

All power wiring/communication cables are field supplied and are to be minimum 18 AWG, 4-conductor,

stranded, shielded and must comply with applicable local and national codes.

Piping lengths are equivalent.

This unit comes with a dry helium charge.

This data is rated 0 ft above sea level with 24.6 of refrigerant line per indoor unit and a 0 ft level

difference outdoor and indoor units.

Cooling capacity rating obtained with air entering the indoor unit at 80ºF dry bulb (DB) and 67ºF wet

bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB).

Heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb (DB) and 59ºF wet

bulb (WB) and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB).

PRODUCT DATA | 13

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

Model Number Nominal Tons

Compressor

Qty

Compressor(A)

Cool/Heat

Fan Qty ODU Fan (A) IDU Fan (A) MCA(A) MOP(A)

LS090HEV1 3/4 1 7.0/7.0 1 0.5 0.5 10 15

LS120HEV1 1 1 7.0/7.0 1 0.5 0.5 10 15

LS180HEV1 1-1/2 1 8.81/8.61 1 0.4 0.4 12 20

LS240HEV1 2 1 10.72/10.28 1 0.4 0.4 15 20

Mega Inverter and Mega 115V Outdoor Units

ELECTRICAL DATA

Table 4: 208-230V, 60Hz, 1-Phase Single-Zone Mega Inverter System Electrical Data Table.

Table 5: 115V, 60Hz, 1-Phase Single Zone Single-Zone Mega 115V System Electrical Data Table.

Model Number Nominal Tons

Compressor

Qty

Compressor(A)

Cool/Heat

Fan Qty ODU Fan(A) IDU Fan (A) MCA(A) MOP(A)

LS090HXV 3/4 1 10/10 1 0.4 0.5 13.5 20

LS120HXV 1 1 10/10 1 0.4 0.5 13.5 20

Voltage tolerance is ±10%.

Maximum allowable voltage unbalance is 2%.

MCA = Minimum Circuit Ampacity.

Maximum Overcurrent Protection (MOP) is calculated as follows: (Largest motor FLA x 2.25) + (Sum of

other motor FLA) rounded down to the nearest standard fuse size.

Voltage tolerance is ±10%.

Maximum allowable voltage unbalance is 2%.

MCA = Minimum Circuit Ampacity.

Maximum Overcurrent Protection (MOP) is calculated as follows: (Largest motor FLA x 2.25) + (Sum of

other motor FLA) rounded down to the nearest standard fuse size.

14 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

FUNCTIONS, CONTROLS, OPTIONS

Table 6: Indoor Units—Functions, Controls and Options.

Indoor Unit Type LS090-120-180-240HEV1 LS090-120HXV

Airow

Air supply outlet

1 1

Airflow direction (left/right)

Manual Auto

Airflow direction (up/down)

Auto Auto

Auto swing (left/right)

X √

Auto swing (up/down)

√ √

Airflow steps (fan/cool/heat)

4 / 4 / 4 6 / 6 / 6

Auto swing

√ √

Auto wind

√ √

Jet-cool/heat

√ / √ √ / √

Swirl wind

X X

One touch soft air

√ X

Air Purifying

Washable anti-fungal

√ √

Deodorizing filter

X X

Plasma

X X

Allergy free filter

X X

3M Micro Protection filter

X X

Functions

Drain pump

X X

E.S.P. control

X X

Electric heater

X X

High ceiling

X X

Defrost

√ √

Low ambient

√ √

Hot start

√ √

Self diagnostics

√ √

Soft dry (dehumidification)

√ √

Auto changeover

√ √

Auto clean (coil dry)

√ √

Auto restart

√ √

Child lock

X X

Forced operation

√ √

Sleep mode

√ √

Timer (24hr on/off)

√ √

Weekly timer

X X

Two thermistor control

X X

Controllers

Wireless Remote Controller

√ √

Simple Controller with Mode Selection

X o

Simple Controller without Mode Selection

X o

LG Programmable Thermostat

X o

Dry contact

X o

Central control (LGAP)

X X

PI 485

X X

Special Function Kit

Zone control

X X

CTIE

X X

Electro thermostat

X X

Wi-Fi Module (Option)

X X

Water level sensor connection (for optional AG-9300-LG)

o o

Wind baffle kit

X X

Other

Thermistor

X X

Primary washable filters.

Secondary filters.

√ = Standard feature

o = Optional accessory (must be purchased separately)

X = Not available

PRODUCT DATA | 15

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

OUTDOOR UNIT DIMENSIONS

LSU090HEV1, LSU120HEV1

18-1/4

28-1/4

Ø17-3/8

2-1/4

4-5/8

10-9/16

18-3/4

9-5/16

8-5/8

19-1/2

2-3/16

2-1/4

1/2

10-1/16

9-1/16

10-11/16

Center of gravity

Unit: Inch

Discharge Air Grille

Gas Pipe Connection Port

Liquid Pipe Connection Port

Control Box

Ground Terminal

16 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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LSU180HEV1

OUTDOOR UNIT DIMENSIONS

30-5/16

4-3/16

13-15/16

6-1/8

2-1/8

10-15/16

20-15/16

21-1/2

10-1/2

8 -1/8

11-5/16

Item No. Part Name

2-13/16

18-5/16

Unit: Inch

Center of Gravity

9-3/8

5-3/4

Discharge Air Grille

Gas Pipe Connection Port

Liquid Pipe Connection Port

Control Box

Ground Terminal

PRODUCT DATA | 17

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

OUTDOOR UNIT DIMENSIONS

LSU240HEV1

34-1/4

21-1/2 6-5/16

14 -3/16

2-3/16

11-15/16

20-15/16

25-13/16

24-13/16

12-5/8

3-1/8

12-5/8

Item No.

Part Name

Unit: Inch

Center of Gravity

10-7/16

21-1/8

5-13/16

Discharge Air Grille

Gas Pipe Connection Port

Liquid Pipe Connection Port

Control Box

Ground Terminal

18 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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OUTDOOR UNIT DIMENSIONS

LSU090HXV, LSU120HXV

28-1/4

Ø17-3/8

10-9/16

9-5/16

19-1/16

2-3/16

2-1/4

7/16

Unit: Inch

18-1/4

28-1/4

2-1/4

10 -1/16

9-1/16

10-11/16

Discharge Air Grille

Gas Pipe Connection Port

Liquid Pipe Connection Port

Control Box

Ground Terminal

PRODUCT DATA | 19

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

INDOOR UNIT DIMENSIONS

LSN090HEV1

2-9/16

Right rear piping

Left rear piping

Installation Plate

Place a level on raised tab

Unit Outline

7- 9/16

14-7/8

29-3/4

7-1/4

10 -7/16

Unit: Inch

14-7/8

7- 9/16

Item No.

Part Name

2-15/16

5-11/16

Return Air Grille

Knockout Hole for Piping and Cables

1-3/4

2-3/16

2-3/8

5-5/8

2-1/8

2-3/8

1-3/4

20 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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INDOOR UNIT DIMENSIONS

LSN120HEV1

2-9/16

Right Rear

Piping

Left Rear

Piping

Installation Plate

Place a level on raised tab

4 -13/16

9-5/8

5-1/4

16 -1/4

18-7/8

34-13/16

8-1/4

11 -1/4

Unit Outline

2-9/16

Unit: Inch

Item No.

Part Name

Return Air Grille

1-3/4

2-3/16

2-3/8

1-3/4

Knockout Hole for Piping & Cable

2-5/16

6-5/16

PRODUCT DATA | 21

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

INDOOR UNIT DIMENSIONS

LSN180HEV1, LSN240HEV1

Unit

Outline

Left Rear

Piping

Right Rear

Piping

Place a level on raised tab

Ø2-9/16

18-1/8 22-3/8

8-11/16

12-1/8

7.24in(184mm)

7-1/4

6.14in(156mm)

6-3/16

9-13/16

2-9/16

1-13/16

2-1/16

40-9/16

12-13/16

9-13/16

2-1/16

1-13/16

Unit: Inch

eturn Air

rille

nockout Hole for Piping & Cable

22 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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INDOOR UNIT DIMENSIONS

LSN090HXV, LSN120HXV

34-7/8

8-5/16

11 -1/4

2-13/16

5-1/4

3-3/4

Right rear

piping

Left rear

piping

Installation Plate

Place a level on raised tab

Unit Outline

8-9/16

6-15/16

17-7/16 17-7/16

2-13/16

2-5/16

6-5/16

15/16

Unit: Inch

Return Air Grille

for piping and cable

PRODUCT DATA | 23

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

Mega Inverter and Mega 115V Outdoor Units

Model

Sound Pressure Levels (dB[A])

Cooling (Max) Heating (Max.)

Mega Inverter

LSU090HEV1 47 47

LSU120HEV1 47 47

LSU180HEV1 51 51

LSU240HEV1 53 53

Mega 115V

LSU090HXV 47 47

LSU120HXV 47 47

Table 7: Outdoor Unit Acoustic Data

Figure 1: Outdoor Unit Sound Levels

3.28 ft

Center of

Outdoor Unit

Figure 2: Sound Pressure Levels for Mega Inverter Outdoor Units.

• Measurements are taken 3.28 ft away from the front of the unit.

• Sound pressure levels are measured in dB(A) with a tolerance of ±3.

• Sound pressure levels are tested in an anechoic chamber under

ISO Standard 3745.

• Sound level will vary depending on a range of factors including the

construction (acoustic absorption coefficient) of a particular room in

which the unit was installed.

OUTDOOR UNIT ACOUSTIC DATA

Figure 3: Sound Pressure Levels for Mega 115V Outdoor Units.

Octave Band Center Frequency (Hz)

Octave Band Sound Pressure Level (0dB = 20μPa)

63 125 250 500 1000 2000 4000 8000

NC-15

NC-20

NC-25

NC-30

NC-35

NC-40

NC-45

NC-50

NC-55

NC-60

NC-65

Approximate

Hearing

Threshold

LSU090HXV

63 125 250 500 1000 2000 4000 8000

NC-15

NC-20

NC-25

NC-30

NC-35

NC-40

NC-45

NC-50

NC-55

NC-60

NC-65

Approximate

Hearing

Threshold

Octave Band Sound Pressure Level (0dB = 20μPa)

Octave Band Center Frequency (Hz)

LSU120HXV

63 125 250 500 1000 2000 4000 8000

Octave Band Sound Pressure Level (0dB = 20μPa)

Octave Band Center Frequency (Hz)

NC-15

NC-20

NC-25

NC-30

NC-35

NC-40

NC-45

NC-50

NC-55

NC-60

NC-65

Approximate

Hearing

Threshold

63 125 250 500 1000 2000 4000 8000

Octave Band Sound Pressure Level (0dB = 20μPa)

Octave Band Center Frequency (Hz)

NC-15

NC-20

NC-25

NC-30

NC-35

NC-40

NC-45

NC-50

NC-55

NC-60

NC-65

Approximate

Hearing

Threshold

63 125 250 500 1000 2000 4000 8000

Octave Band Sound Pressure Level (0dB = 20μPa)

Octave Band Center Frequency (Hz)

NC-15

NC-20

NC-25

NC-30

NC-35

NC-40

NC-45

NC-50

NC-55

NC-60

NC-65

Approximate

Hearing

Threshold

LSU090HEV1 LSU120HEV1 LSU180HEV1

63 125 250 500 1000 2000 4000 8000

Octave Band Sound Pressure Level (0dB = 20μPa)

Octave Band Center Frequency (Hz)

NC-15

NC-20

NC-25

NC-30

NC-35

NC-40

NC-45

NC-50

NC-55

NC-60

NC-65

Approximate

Hearing

Threshold

LSU240HEV1

24 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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Figure 4: Indoor Unit Sound Levels

2.62 ft

3.28 ft

Microphone

Model

Sound Pressure Levels (dB[A])

Cooling Heating

H M L H M L

Mega Inverter

LSN090HEV1 39 33 25 39 33 25

LSN120HEV1 39 33 25 39 33 25

LSN180HEV1 42 40 35 42 40 35

LSN240HEV1 45 40 35 45 40 35

Mega 115V

LSN090HXV 39 33 23 39 33 23

LSN120HXV 39 33 23 39 33 23

Table 8: Indoor Unit Acoustic Data

• Measurements are taken 3.28 ft away from the front of the unit.

• Sound pressure levels are measured in dB(A) with a tolerance of ±3.

• Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745.

• Sound level will vary depending on a range of factors including the construction (acoustic absorp-

tion coefficient) of a particular room in which the unit was installed.

INDOOR UNIT ACOUSTIC DATA

Figure 5: Sound Pressure Levels for Mega Inverter Indoor Units.

Figure 6: Sound Pressure Levels for Mega 115V Indoor Units.

Octave Band Sound Pressure Level (0dB = 20μPa)

Octave Band Center Frequency (Hz)

63 125 250 500 1000 2000 4000 8000

LSN090HXV, LSN120HXV

Octave Band Sound Pressure Level (dB re 20µPa )

Octave Band Center Frequency (Hz)

63 125 250 500 1000 2000 4000 8000

Approximate

Hearing

Threshold

LSN240HEV1

Octave Band Sound Pressure Level (0dB = 20μPa)

Octave Band Center Frequency (Hz)

63 125250 5001000200040008000

NC-15

NC-20

NC-25

NC-30

NC-35

NC-40

NC-45

NC-50

NC-55

NC-60

NC-65

Octave Band Sound Pressure Level (dB re 20µPa )

Octave Band Center Frequency (Hz)

63 125 250 500 1000 2000 4000 8000

Octave Band Sound Pressure Level (dB re 20µPa )

Octave Band Center Frequency (Hz)

63 125 250 500 1000 2000 4000 8000

Approximate

Hearing

Threshold

Approximate

Hearing

Threshold

Approximate

Hearing

Threshold

LSN090HEV1 LSN120HEV1 LSN180HEV1

Mega Inverter and Mega 115V Outdoor Units

PRODUCT DATA | 25

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

REFRIGERANT FLOW DIAGRAMS

Mega Inverter LSN/LSU090-120HEV1

Thermistor Description PCB Connector

TH1

Indoor air temperature thermistor CN-TH1 (Indoor)

TH2

Water level sensor (optional) CN-TH2 (Indoor)

TH3

Evaporator middle temperature thermistor CN-TH3 (Indoor)

TH4

Discharge pipe temperature thermistor CN-TH2 (Outdoor)

TH5

Outdoor air temperature thermistor

CN-TH1 (Outdoor)

TH6

Condensing temperature thermistor

FIELD PIPING

(Ø 1/ 4" Copper Tubing)

FIELD PIPING

(Ø 3/ 8" Copper Tubi ng)

He at

Exchanger

(Evaporator)

Heat

Exchanger

(Condenser)

Compressor

Accumula to r

2-Way Valve

Reversing

Valve

Indoor Unit Outdoor Unit

: Cooling

: Heating

EEV

TH1

TH3

TH2

TH5

TH4

TH6

Liquid Side

Gas Side

Way Valv e

26 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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Thermistor Description PCB Connector

TH1

Indoor air temperature thermistor CN-TH1 (Indoor)

TH2

Water level sensor (optional) CN-TH2 (Indoor)

TH3

Evaporator middle temperature thermistor CN-TH3 (Indoor)

TH4

Discharge pipe temperature thermistor CN-TH2 (Outdoor)

TH5

Outdoor air temperature thermistor

CN-TH1 (Outdoor)

TH6

Condensing temperature thermistor

REFRIGERANT FLOW DIAGRAMS

Mega Inverter LSN/LSU180HEV1

FIELD PIPING

(Ø 1/ 4" Copper Tubing)

FIELD PIPING

(Ø 1/ 2" Copper Tubi ng)

He at

Exchanger

(Evaporator)

Heat

Exchanger

(Condenser)

Compressor

Accumulator

2-Way Valve

Reversing

Va lv e

Indoor Unit Outdoor Unit

: Cooling

: Heating

EEV

TH1

TH3

TH2

TH5

TH4

TH6

Liquid Side

Gas Side

Way Valv e

PRODUCT DATA | 27

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

Thermistor Description PCB Connector

TH1

Indoor air temperature thermistor CN-TH1 (Indoor)

TH2

Water level sensor (optional) CN-TH2 (Indoor)

TH3

Evaporator middle temperature thermistor CN-TH3 (Indoor)

TH4

Discharge pipe temperature thermistor CN-TH2 (Outdoor)

TH5

Outdoor air temperature thermistor

CN-TH1 (Outdoor)

TH6

Condensing temperature thermistor

REFRIGERANT FLOW DIAGRAMS

Mega Inverter LSN/LSU240HEV1

FIELD PIPING

(Ø 1/ 4" Copper Tubing)

FIELD PIPING

(Ø 5/ 8" Copper Tubi ng)

Heat

Exchanger

(Evaporator)

Heat

Exchanger

(Condenser)

Compressor

Accumulator

2-Way Valve

Reversing

Valv e

Indoor Unit Outdoor Unit

: Cooling

: Heating

EEV

TH1

TH3

TH2

TH5

TH4

TH6

Liquid Side

Gas Side

Way Valv e

28 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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REFRIGERANT FLOW DIAGRAMS

Mega 115V LSN/LSU090-120HXV

Thermistor Description PCB Connector

TH1

Indoor air temperature thermistor CN-TH1 (Indoor)

TH2

Evaporator middle temperature thermistor CN-TH2 (Indoor)

TH3

Discharge pipe temperature thermistor CN-TH2 (Outdoor)

TH4

Condensing middle temperature thermistor

CN-TH1 (Outdoor)

TH5

Outdoor air temperature thermistor

tinU roodtuOtinU roodnI

Heat

Exchanger

(Evaporator)

Heat

Exchanger

(Condenser)

Compressor

Accumulator

Gas Side

3-Way Valve

2-Way Valve

Liquid Side

Cooling

Heating

Reversing Valve

EEV

FIELD PIPING

(Ø 1/4" Copper Tubing)

FIELD PIPING

(Ø 3/8" Copper Tubing)

TH1

TH4

TH5

TH2

TH3

PRODUCT DATA | 29

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

WIRING DIAGRAM

Inverter Singl

Option

CN-L1

Mega Inverter LSN090HEV1

30 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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WIRING DIAGRAM

Mega Inverter LSN120HEV1

Option

CN-L1

PRODUCT DATA | 31

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

WIRING DIAGRAM

Mega Inverter LSN180HEV1 and LSN240HEV1

Option

32 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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WIRING DIAGRAM

Mega 115V LSN090HXV and LSN120HXV

PRODUCT DATA | 33

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

WIRING DIAGRAM

Mega Inverter LSU090HEV1 and LSU120HEV1

Option

34 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

WIRING DIAGRAM

Mega Inverter LSU180HEV1

PRODUCT DATA | 35

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

WIRING DIAGRAM

Mega Inverter LSU240HEV1

36 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

WIRING DIAGRAM

Mega 115V LSU090HXV and LSU120HXV

250V

PRODUCT DATA | 37

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

ACCESSORIES

Table 9: Optional Zone Controllers for Mega 115 HXV Systems (see page 14 for Functions, Controls and Options).

Before specifying or placing an order, refer to the V-Net Network Solution Engineering Product Data Book and review the detailed technical data provided to fully understand the capabilities / limitations of these devices.

Zone Controller Name Model No. Case Color

Max Wire

Length (ft)

Description

Simple Controller

with mode selection

PQRCVCL0Q Black

164

Allows control of indoor unit on/off, operation mode, fan speed,

and temperature setpoint for up to 16 indoor units.

PQRCVCL0QW White

Simple Controller

without mode

selection

PQRCHCA0Q Black

164

Allows control of indoor unit on/off, fan speed, and temperature

setpoint for up to 16 indoor units.

PQRCHCA0QW White

LG Premium

Controller

PREMTA000 Ivory 164

Allows control of indoor unit on/off, operation mode, occupied/

unoccupied temperature setpoints, fan speed, and air flow

direction for up to 16 indoor units. Programmable schedule with

5 events per day with control of occupied/unoccupied, on/

off, mode, setpoints and fan speed. Advanced functions

include two setpoint autochangeover, minimum difference

between setpoints, setback, timed override, target energy

consumption display, check energy display and master/slave.

LG Programmable

Thermostat

PREMTB10U White 164

Allows control of indoor unit on/off, operation mode, occupied

and unoccupied temperature setpoints, fan speed, and airflow

direction for up to 16 indoor units. Programmable schedule

with 5 events per day with control of occupied/unoccupied, on/

off, mode, setpoints and fan speed. Advanced functions include

two setpoint auto changeover, minimum difference between

setpoints, setback and timed override.

Table 10: Zone Controller Communication Cables.

Communication Cable Name Model No. Wire Length (ft) Description

Wired Remote/Group Control

Extension Cable

PZCWRC1 33

Increases the distance between a remote controller and an

indoor unit or between indoor units in a control group.

Table 11: Speciality Application Devices for Mega 115V HXV Systems (see page 14 for Functions, Controls and Options)..

Speciality Application

Device

Name Model No.

Connect

Application

Binary

Signals Input/

Output

Description

Simple Dry Contact PQDSB1

Indoor

Unit

On/Off, Run Status,

Error Status

1/2

Enables the indoor unit to be

controlled and monitored by third

party controls using binary inputs

and outputs.

Dry Contact Unit for

Economizer, occupied/

unoccupied

PQDSBC1

On/Off, Mode,

Controller Lock, Power

Save, Run Status,

Error Status

2/2

Dry Contact Unit for 24V

Thermostat

PDRYCB300

On/Off, Thermo On/

Off, Mode, Fan Speed,

Run Status, Error

Status

---

Enables the indoor unit to be

controlled and monitored by a

third party thermostat or

controller.

38 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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ACCESSORIES

• Actual inverter compressor speed

• Target inverter compressor speed

• Actual outdoor fan speed

• Target outdoor unit fan speed

• Actual superheat

• Inverter compressor current value

• Outdoor air temperature

• Actual high pressure/saturation temperature

• Actual low pressure/saturation temperature

• Suction temperature

• Inverter compressor discharge temperature

• Outdoor coil pipe temperature

• Liquid line pipe temperature

• Inverter compressor operation indicator

light

• Four-way reversing valve operation

indicator light

• Pressure graph showing actual low pres-

sure and actual high pressure levels

• Error code display

• Operating mode indicator

• Total number of connected indoor units (for

multi zone systems)

• Communication indicator lights

• Unit error code

• Indoor unit capacity

• Indoor unit operating mode

• Indoor unit fan speed

• Indoor unit room temperature

• Indoor unit inlet pipe temperature

• Indoor unit outlet pipe temperature

LG Monitoring View (LGMV) Diagnostic Software and Cable

(PRCTSL1 and PRCTFE1)

LGMV software allows the service technician or commissioning agent to connect a computer

USB port to the outdoor unit main printed circuit board (PCB) using an accessory cable with-

out the need for a separate interface device. The main screen for LGMV shall allow user to

view the following real time data on one screen:

Additional screens can be accessed by tabs on the main screen:

1. Cycleview: Graphic of internal components including:

2. Setting: Converts metric values to imperial values.

3. Making Data: Recording of real time data to a separate file created to be stored on the

user’s computer.

4. Loading Data: Recorded data from a saved “.CSV” file can be loaded to create an LGMV

session.

5. Electrical Data: The lower half of main screen is changed to show the following:

• Compressors showing actual speeds

• EEVs

• IDUs

• Low and high pressures

• Temperature and pressure sensors

• Four-way reversing valve

• Outdoor fans showing status and speeds

• Inverter compressor

- Amps

- Volts

Power Hz

- Inverter control board fan Hz

The software is available in a high version with all of the features listed above. The low version has all features as the high version without

Target High Pressure and Target Low Pressure values shown on main screen.

In lieu of connecting to the ODU, user has the option to connect to IDU with the use of a USB to RS-485 connector kit. When connected

through IDU, user will not be able to record data.

This software can be used to both commission new systems and troubleshoot existing systems. LGMV data can be recorded to a “.CSV” file

and emailed to an LG representative to assist with diagnostic evaluations.

Recommended Minimum PC Configuration:

• CPU: Pentium

IV 1.6 GHz

• Operating System: Windows

NT/2000/

XP/Vista

• Main Memory: 256 MB

• Hard Disk: 600 MB when operating

• Web Browser: Internet Explorer

5.0

“Cooling Capacity Data” on page 40

“Heating Capacity Data” on page 43

PERFORMANCE DATA

40 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

PERFORMANCE DATA

Table 11: LSN090HEV1/LSU120HEV1 Cooling Capacities.

Outdoor

Air

Temp.

(°F DB)

Indoor Air Temperature (°F DB/ °F WB)

64 / 53 68 / 57 72 / 61 77 / 64 80 / 67 86 / 72 90 / 75

TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI

14 5.20 4.11 0.29 5.59 4.41 0.30 5.98 4.72 0.31 6.37 5.03 0.32 6.55 5.17 0.33 7.15 5.64 0.34 7.54 5.95 0.35

23 5.59 4.41 0.29 6.00 4.74 0.30 6.42 5.07 0.31 6.84 5.40 0.31 7.03 5.55 0.32 7.68 6.06 0.34 8.10 6.39 0.35

25 5.67 4.47 0.29 6.08 4.80 0.30 6.50 5.13 0.31 6.92 5.46 0.32 7.11 5.61 0.33 7.76 6.12 0.34 8.18 6.45 0.35

30 5.89 4.64 0.32 6.31 4.98 0.32 6.74 5.32 0.33 7.15 5.64 0.34 7.35 5.80 0.36 8.00 6.31 0.37 8.45 6.67 0.38

35 6.11 4.82 0.34 6.55 5.16 0.35 6.98 5.51 0.36 7.39 5.83 0.37 7.59 5.99 0.38 8.24 6.50 0.39 8.72 6.88 0.41

40 6.33 4.99 0.36 6.78 5.35 0.37 7.23 5.70 0.38 7.62 6.01 0.39 7.83 6.18 0.40 8.49 6.70 0.42 8.99 7.09 0.43

45 6.55 5.17 0.38 7.01 5.53 0.39 7.47 5.89 0.40 7.85 6.19 0.42 8.07 6.37 0.43 8.73 6.89 0.45 9.26 7.31 0.46

50 6.77 5.34 0.40 7.24 5.71 0.41 7.71 6.08 0.43 8.08 6.38 0.44 8.31 6.56 0.45 8.97 7.08 0.47 9.54 7.52 0.49

55 6.99 5.51 0.42 7.47 5.89 0.44 7.95 6.27 0.45 8.31 6.56 0.46 8.55 6.74 0.48 9.22 7.27 0.50 9.81 7.74 0.51

60 7.21 5.69 0.44 7.70 6.07 0.46 8.19 6.46 0.47 8.55 6.74 0.49 8.79 6.93 0.50 9.46 7.46 0.52 10.08 7.95 0.54

65 7.43 5.86 0.47 7.93 6.26 0.48 8.43 6.65 0.50 8.78 6.93 0.51 9.03 7.12 0.53 9.70 7.65 0.55 10.35 8.17 0.56

70 7.65 6.04 0.49 8.16 6.44 0.50 8.67 6.84 0.52 9.01 7.11 0.53 9.27 7.31 0.55 9.95 7.85 0.57 10.63 8.38 0.59

75 7.55 5.96 0.50 8.06 6.36 0.52 8.58 6.77 0.53 8.93 7.04 0.55 9.18 7.24 0.57 9.82 7.75 0.59 10.54 8.32 0.61

80 7.35 5.80 0.52 7.86 6.21 0.54 8.38 6.61 0.56 8.76 6.91 0.57 9.10 7.18 0.59 9.69 7.65 0.62 10.37 8.18 0.63

85 7.16 5.65 0.56 7.67 6.05 0.58 8.18 6.45 0.60 8.59 6.77 0.61 8.93 7.04 0.63 9.56 7.54 0.66 10.21 8.06 0.68

90 6.96 5.49 0.58 7.47 5.89 0.60 7.98 6.30 0.62 8.42 6.64 0.64 8.76 6.91 0.66 9.44 7.44 0.69 10.01 7.90 0.71

95 6.75 5.33 0.60 7.26 5.73 0.62 7.76 6.12 0.64 8.27 6.52 0.66 8.50 6.71

0.68 9.28 7.32 0.71 9.78 7.72 0.73

100 6.57 5.19 0.61 7.08 5.59 0.63 7.59 5.99 0.65 8.09 6.38 0.67 8.39 6.62 0.69 9.10 7.18 0.72 9.61 7.58 0.74

105 6.40 5.05 0.62 6.90 5.45 0.64 7.41 5.85 0.66 7.91 6.24 0.68 8.28 6.53 0.70 8.93 7.04 0.73 9.43 7.44 0.75

110 6.22 4.91 0.63 6.73 5.31 0.65 7.23 5.71 0.67 7.74 6.11 0.69 8.10 6.39 0.71 8.75 6.90 0.74 9.25 7.30 0.76

115 6.04 4.77 0.64 6.55 5.17 0.65 7.06 5.57 0.68 7.56 5.97 0.70 7.93 6.25 0.72 8.57 6.76 0.75 9.08 7.16 0.77

118 5.87 4.63 0.64 6.38 5.03 0.66 6.80 5.37 0.68 7.31 5.77 0.70 7.65 6.04 0.72 8.29 6.54 0.75 8.76 6.91 0.78

122 5.59 4.41 0.64 6.07 4.79 0.66 6.54 5.16 0.68 7.02 5.54 0.71 7.37 5.81 0.73 7.98 6.30 0.76 8.46 6.67 0.78

Table 12: LSN120HEV1/LSU120HEV1 Cooling Capacities.

Outdoor

Air

Temp.

(°F DB)

Indoor Air Temperature (°F DB/ °F WB)

64 / 53 68 / 57 72 / 61 77 / 64 80 / 67 86 / 72 90 / 75

TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI

14 7.35 5.50 0.48 7.90 5.91 0.50 8.45 6.33 0.51 9.00 6.74 0.53 9.25 6.93 0.55 10.10 7.56 0.57 10.65 7.97 0.59

23 7.89 5.91 0.48 8.48 6.35 0.50 9.07 6.79 0.51 9.66 7.23 0.53 9.93 7.44 0.54 10.84 8.12 0.57 11.43 8.56 0.58

25 8.00 5.99 0.49 8.59 6.43 0.51 9.18 6.88 0.52 9.77 7.32 0.54 10.04 7.52 0.55 10.95 8.20 0.58 11.54 8.65 0.59

30 8.31 6.22 0.53 8.92 6.68 0.54 9.52 7.13 0.56 10.10 7.56 0.58 10.38 7.77 0.60 11.30 8.46 0.62 11.93 8.93 0.64

35 8.62 6.46 0.56 9.24 6.92 0.58 9.86 7.39 0.60 10.43 7.81 0.62 10.72 8.03 0.64 11.64 8.72 0.66 12.31 9.22 0.68

40 8.93 6.69 0.60 9.57 7.17 0.62 10.20 7.64 0.64 10.75 8.05 0.66 11.05 8.28 0.68 11.98 8.97 0.70 12.70 9.51 0.73

45 9.24 6.92 0.64 9.89 7.41 0.66 10.54 7.89 0.68 11.08 8.30 0.70 11.39 8.53 0.72 12.32 9.23 0.75 13.08 9.80 0.77

50 9.56 7.16 0.67 10.22 7.65 0.69 10.88 8.15 0.72 11.41 8.55 0.74 11.73 8.79 0.76 12.67 9.49 0.79 13.46 10.08 0.81

55 9.87 7.39 0.71 10.54 7.90 0.73 11.22 8.40 0.75 11.74 8.79 0.78 12.07 9.04 0.80 13.01 9.74 0.83 13.85 10.37 0.86

60 10.18 7.62 0.75 10.87 8.14 0.77 11.56 8.66 0.79 12.06 9.04 0.82 12.40 9.29 0.84 13.35 10.00 0.88 14.23 10.66 0.90

65 10.49 7.86 0.78 11.19 8.38 0.81 11.90 8.91 0.83 12.39 9.28 0.86 12.74 9.54 0.88 13.70 10.26 0.92 14.62 10.95 0.95

70 10.80 8.09 0.82 11.52 8.63 0.84 12.24 9.17 0.87 12.72 9.53 0.90 13.08 9.80 0.92 14.04 10.52 0.96 15.00 11.24 0.99

75 10.66 7.99 0.84 11.38 8.53 0.87 12.11 9.07 0.89 12.60 9.44 0.92 12.96 9.71 0.95 13.86 10.38 0.99 14.88 11.15 1.02

80 10.38 7.78 0.88 11.10 8.32 0.91 11.82 8.86 0.93 12.36 9.26 0.96 12.84 9.62 0.99 13.68 10.25 1.03 14.64 10.97 1.06

85 10.11 7.57 0.94 10.83 8.11 0.97 11.54 8.65 1.00 12.12 9.08 1.03 12.60 9.44 1.06 13.50 10.11 1.10 14.42 10.80 1.14

90 9.83 7.36 0.98 10.55 7.90 1.01 11.26 8.44 1.04 11.88 8.90 1.07 12.36 9.26 1.11 13.32 9.98 1.15 14.13 10.59 1.18

95 9.53 7.14 1.01 10.25 7.67 1.04 10.96 8.21 1.07 11.67 8.74 1.11 12.00 8.99

1.14 13.10 9.81 1.19 13.81 10.35 1.22

100 9.28 6.95 1.03 10.00 7.49 1.06 10.71 8.02 1.09 11.42 8.56 1.12 11.84 8.87 1.16 12.85 9.63 1.21 13.56 10.16 1.24

105 9.03 6.77 1.04 9.75 7.30 1.08 10.46 7.83 1.11 11.17 8.37 1.14 11.69 8.76 1.18 12.60 9.44 1.23 13.31 9.97 1.26

110 8.78 6.58 1.05 9.50 7.11 1.09 10.21 7.65 1.12 10.92 8.18 1.16 11.44 8.57 1.19 12.35 9.25 1.24 13.07 9.79 1.28

115 8.53 6.39 1.06 9.25 6.93 1.10 9.96 7.46 1.13 10.67 8.00 1.17 11.19 8.38 1.20 12.10 9.06 1.25 12.82 9.60 1.29

118 8.28 6.20 1.07 9.00 6.74 1.11 9.60 7.19 1.14 10.32 7.73 1.18 10.80 8.09 1.21 11.70 8.76 1.26 12.36 9.26 1.30

122 7.89 5.91 1.08 8.56 6.41 1.11 9.24 6.92 1.15 9.91 7.43 1.18 10.40 7.79 1.22 11.27 8.44 1.27 11.94 8.94 1.31

DB: Dry Bulb Temperature (°F) WB: Wet Bulb Temperature (°F) TC: Total Capacity (kBtu/h)

SHC: Sensible Capacity (kBtu/h) PI: Power Input (kW) (includes compressor,indoor fan motor and

outdoor fan motor)

1. All capacities are net, evaporator fan motor heat is deducted.

2. Grey shading indicates reference data. When operating the unit at this temperature, these values

can be different by discontinuous operation.

3. Direct interpolation is permissible. Do not extrapolate.

Nominal capacity as rated: 0 ft. above sea level with 25 ft. of refrigerant piping.

0 ft. level difference between outdoor and indoor units.

Nominal cooling capacity rating obtained with air entering the indoor unit at 80ºF dry bulb (DB) and

67ºF wet bulb (WB), and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB).

Cooling Capacity

LS090HEV1, LS120HEV1

PRODUCT DATA | 41

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

PERFORMANCE DATA

Cooling Capacity

Table 13: LSN0180HEV1/LSU180HEV1 Cooling Capacities.

Outdoor

Air

Temp.

(°F DB)

Indoor Air Temperature (°F DB/ °F WB)

64 / 53 68 / 57 72 / 61 77 / 64 80 / 67 86 / 72 90 / 75

TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI

14 10.41 8.12 6.58 11.19 8.73 6.78 11.97 9.33 6.99 12.75 9.94 7.21 13.10 10.22 7.43 14.30 11.16 7.73 15.08 11.76 7.96

23 11.17 8.72 6.55 12.01 9.37 6.75 12.85 10.02 6.96 13.68 10.67 7.18 14.07 10.97 7.40 15.36 11.98 7.70 16.19 12.63 7.93

25 11.33 8.84 6.69 12.17 9.49 6.89 13.01 10.14 7.10 13.84 10.80 7.32 14.23 11.10 7.54 15.52 12.10 7.84 16.35 12.75 8.07

30 11.77 9.18 7.18 12.63 9.85 7.40 13.49 10.52 7.63 14.31 11.16 7.86 14.70 11.47 8.10 16.00 12.48 8.42 16.90 13.18 8.67

35 12.21 9.53 7.68 13.09 10.21 7.91 13.97 10.90 8.15 14.77 11.52 8.40 15.18 11.84 8.66 16.49 12.86 9.00 17.44 13.60 9.26

40 12.65 9.87 8.17 13.55 10.57 8.42 14.45 11.27 8.67 15.23 11.88 8.94 15.66 12.22 9.21 16.97 13.24 9.58 17.98 14.03 9.86

45 13.10 10.21 8.66 14.01 10.93 8.93 14.93 11.65 9.20 15.70 12.25 9.48 16.14 12.59 9.77 17.46 13.62 10.16 18.53 14.45 10.46

50 13.54 10.56 9.15 14.47 11.29 9.43 15.41 12.02 9.72 16.16 12.61 10.02 16.62 12.96 10.33 17.95 14.00 10.74 19.07 14.88 11.06

55 13.98 10.90 9.64 14.94 11.65 9.94 15.90 12.40 10.25 16.63 12.97 10.56 17.10 13.33 10.89 18.43 14.38 11.32 19.62 15.30 11.66

60 14.42 11.25 10.14 15.40 12.01 10.45 16.38 12.77 10.77 17.09 13.33 11.10 17.57 13.71 11.45 18.92 14.76 11.90 20.16 15.73 12.26

65 14.86 11.59 10.63 15.86 12.37 10.96 16.86 13.15 11.29 17.56 13.69 11.64 18.05 14.08 12.00 19.40 15.14 12.48 20.71 16.15 12.86

70 15.30 11.93 11.12 16.32 12.73 11.46 17.34 13.53 11.82 18.02 14.06 12.18 18.53 14.45 12.56 19.89 15.51 13.06 21.25 16.58 13.46

75 15.10 11.78 11.44 16.13 12.58 11.79 17.15 13.38 12.16 17.85 13.92 12.54 18.36 14.32 12.92 19.64 15.32 13.44 21.08 16.44 13.84

80 14.71 11.47 11.94 15.73 12.27 12.31 16.75 13.07 12.69 17.51 13.66 13.08 18.19 14.19 13.49 19.38 15.12 14.02 20.74 16.18 14.45

85 14.32 11.17 12.76 15.34 11.96 13.16 16.35 12.76 13.56 17.17 13.39 13.98 17.85 13.92 14.42 19.13 14.92 14.99 20.43 15.93 15.44

90 13.93 10.86 13.31 14.94 11.65 13.72 15.96 12.45 14.15 16.83 13.13 14.58 17.51 13.66 15.04 18.87 14.72 15.64 20.02 15.62 16.11

95 13.50 10.53 13.72 14.51 11.32 14.15 15.52 12.11 14.58 16.54 12.90 15.04 17.00 13.26

15.50 18.56 14.48 16.12 19.57 15.26 16.60

100 13.15 10.26 13.95 14.16 11.05 14.38 15.17 11.83 14.83 16.18 12.62 15.29 16.78 13.09 15.76 18.20 14.20 16.39 19.22 14.99 16.88

105 12.80 9.98 14.18 13.81 10.77 14.62 14.82 11.56 15.07 15.83 12.35 15.54 16.56 12.92 16.02 17.85 13.92 16.66 18.86 14.71 17.16

110 12.44 9.71 14.34 13.45 10.49 14.78 14.46 11.28 15.24 15.48 12.07 15.71 16.21 12.64 16.20 17.50 13.65 16.85 18.51 14.44 17.35

115 12.09 9.43 14.48 13.10 10.22 14.92 14.11 11.01 15.39 15.12 11.80 15.86 15.85 12.37 16.35 17.14 13.37 17.01 18.16 14.16 17.52

118 11.73 9.15 14.61 12.75 9.95 15.07 13.60 10.61 15.53 14.62 11.40 16.01 15.30 11.93 16.51 16.58 12.93 17.17 17.51 13.66 17.68

122 11.17 8.71 14.68 12.13 9.46 15.14 13.09 10.21 15.60 14.04 10.95 16.09 14.74 11.49 16.59 15.96 12.45 17.25 16.92 13.19 17.77

Table 14: LSN240HEV1/LSU240HEV1 Cooling Capacities.

Outdoor

Air

Temp.

(°F DB)

Indoor Air Temperature (°F DB/ °F WB)

64 / 53 68 / 57 72 / 61 77 / 64 80 / 67 86 / 72 90 / 75

TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI

14 13.47 9.92 8.68 14.48 10.67 8.95 15.49 11.41 9.22 16.49 12.15 9.51 16.96 12.49 9.80 18.51 13.64 10.19 19.52 14.38 10.50

23 14.46 10.65 8.64 15.54 11.45 8.91 16.62 12.25 9.19 17.71 13.05 9.47 18.20 13.41 9.76 19.87 14.64 10.15 20.96 15.44 10.46

25 14.66 10.80 8.83 15.75 11.60 9.10 16.83 12.40 9.37 17.91 13.20 9.66 18.41 13.56 9.95 20.08 14.79 10.34 21.16 15.59 10.64

30 15.24 11.23 9.48 16.34 12.04 9.77 17.45 12.86 10.06 18.51 13.64 10.37 19.03 14.02 10.68 20.71 15.26 11.10 21.87 16.11 11.43

35 15.81 11.65 10.13 16.94 12.48 10.44 18.08 13.32 10.75 19.11 14.08 11.08 19.65 14.48 11.42 21.34 15.72 11.87 22.57 16.63 12.22

40 16.38 12.07 10.78 17.54 12.92 11.11 18.70 13.78 11.45 19.72 14.53 11.80 20.27 14.93 12.16 21.97 16.18 12.64 23.27 17.15 13.01

45 16.95 12.49 11.43 18.14 13.36 11.78 19.32 14.24 12.14 20.32 14.97 12.51 20.89 15.39 12.89 22.59 16.65 13.40 23.98 17.67 13.80

50 17.52 12.91 12.07 18.73 13.80 12.45 19.95 14.70 12.83 20.92 15.41 13.22 21.50 15.84 13.63 23.22 17.11 14.17 24.68 18.19 14.59

55 18.09 13.33 12.72 19.33 14.24 13.12 20.57 15.16 13.52 21.52 15.85 13.94 22.12 16.30 14.36 23.85 17.57 14.94 25.39 18.71 15.38

60 18.66 13.75 13.37 19.93 14.68 13.79 21.19 15.62 14.21 22.12 16.30 14.65 22.74 16.76 15.10 24.48 18.04 15.70 26.09 19.22 16.17

65 19.23 14.17 14.02 20.52 15.12 14.46 21.82 16.07 14.90 22.72 16.74 15.36 23.36 17.21 15.84 25.11 18.50 16.47 26.80 19.74 16.96

70 19.80 14.59 14.67 21.12 15.56 15.13 22.44 16.53 15.59 23.32 17.18 16.08 23.98 17.67 16.57 25.74 18.97 17.24 27.50 20.26 17.75

75 19.55 14.40 15.09 20.87 15.38 15.56 22.20 16.35 16.04 23.10 17.02 16.54 23.76 17.51 17.05 25.41 18.72 17.73 27.28 20.10 18.26

80 19.03 14.02 15.75 20.36 15.00 16.24 21.68 15.97 16.74 22.66 16.70 17.26 23.54 17.34 17.79 25.08 18.48 18.50 26.84 19.78 19.06

85 18.53 13.65 16.84 19.85 14.62 17.36 21.16 15.59 17.89 22.22 16.37 18.45 23.10 17.02 19.02 24.75 18.24 19.78 26.44 19.48 20.37

90 18.02 13.28 17.56 19.34 14.25 18.10 20.65 15.22 18.66 21.78 16.05 19.24 22.66 16.70 19.84 24.42 17.99 20.63 25.91 19.09 21.25

95 17.47 12.87 18.10 18.78 13.84 18.66 20.09 14.80 19.24 21.40 15.77 19.84 22.00 16.21

20.45 24.02 17.70 21.27 25.33 18.66 21.91

100 17.02 12.54 18.41 18.33 13.50 18.98 19.63 14.47 19.56 20.94 15.43 20.17 21.71 16.00 20.79 23.56 17.36 21.62 24.87 18.32 22.27

105 16.56 12.20 18.71 17.87 13.17 19.29 19.18 14.13 19.89 20.48 15.09 20.50 21.43 15.79 21.13 23.10 17.02 21.98 24.41 17.99 22.64

110 16.10 11.86 18.92 17.41 12.83 19.50 18.72 13.79 20.11 20.03 14.76 20.73 20.97 15.45 21.37 22.64 16.68 22.23 23.95 17.65 22.89

115 15.64 11.53 19.10 16.95 12.49 19.69 18.26 13.46 20.30 19.57 14.42 20.93 20.52 15.12 21.57 22.19 16.35 22.44 23.50 17.31 23.11

118 15.18 11.18 19.28 16.50 12.16 19.88 17.60 12.97 20.49 18.92 13.94 21.13 19.80 14.59 21.78 21.45 15.80 22.65 22.66 16.70 23.33

122 14.46 10.65 19.37 15.70 11.57 19.97 16.94 12.48 20.59 18.18 13.39 21.23 19.07 14.05 21.88 20.65 15.22 22.76 21.89 16.13 23.44

DB: Dry Bulb Temperature (°F) WB: Wet Bulb Temperature (°F) TC: Total Capacity (kBtu/h)

SHC: Sensible Capacity (kBtu/h) PI: Power Input (kW) (includes compressor,indoor fan motor and

outdoor fan motor)

1. All capacities are net, evaporator fan motor heat is deducted.

2. Grey shading indicates reference data. When operating the unit at this temperature, these values

can be different by discontinuous operation.

3. Direct interpolation is permissible. Do not extrapolate.

Nominal capacity as rated: 0 ft. above sea level with 25 ft. of refrigerant piping.

0 ft. level difference between outdoor and indoor units.

Nominal cooling capacity rating obtained with air entering the indoor unit at 80ºF dry bulb (DB) and

67ºF wet bulb (WB), and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB).

LS180HEV1, LS240HEV1

42 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

PERFORMANCE DATA

Cooling Capacity

Outdoor

Air

Temp.

(°F DB)

Indoor Air Temperature (°F DB/ °F WB)

64 / 53 68 / 57 72 / 61 77 / 64 80 / 67 86 / 72 90 / 75

TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI

14 7.35 5.66 0.49 7.90 6.08 0.50 8.45 6.50 0.52 9.00 6.93 0.53 9.25 7.12 0.55 10.10 7.77 0.57 10.65 8.20 0.59

23 7.89 6.07 0.48 8.48 6.53 0.50 9.07 6.98 0.51 9.66 7.44 0.53 9.93 7.65 0.55 10.84 8.35 0.57 11.43 8.80 0.58

25 8.00 6.16 0.49 8.59 6.61 0.51 9.18 7.07 0.52 9.77 7.52 0.54 10.04 7.73 0.56 10.95 8.43 0.58 11.54 8.89 0.59

30 8.31 6.40 0.53 8.92 6.86 0.55 9.52 7.33 0.56 10.10 7.78 0.58 10.38 7.99 0.60 11.30 8.70 0.62 11.93 9.18 0.64

35 8.62 6.64 0.57 9.24 7.12 0.58 9.86 7.59 0.60 10.43 8.03 0.62 10.72 8.25 0.64 11.64 8.96 0.66 12.31 9.48 0.68

40 8.93 6.88 0.60 9.57 7.37 0.62 10.20 7.85 0.64 10.75 8.28 0.66 11.05 8.51 0.68 11.98 9.23 0.71 12.70 9.78 0.73

45 9.24 7.12 0.64 9.89 7.62 0.66 10.54 8.12 0.68 11.08 8.53 0.70 11.39 8.77 0.72 12.32 9.49 0.75 13.08 10.07 0.77

50 9.56 7.36 0.67 10.22 7.87 0.70 10.88 8.38 0.72 11.41 8.79 0.74 11.73 9.03 0.76 12.67 9.75 0.79 13.46 10.37 0.82

55 9.87 7.60 0.71 10.54 8.12 0.73 11.22 8.64 0.76 11.74 9.04 0.78 12.07 9.29 0.80 13.01 10.02 0.83 13.85 10.66 0.86

60 10.18 7.84 0.75 10.87 8.37 0.77 11.56 8.90 0.79 12.06 9.29 0.82 12.40 9.55 0.84 13.35 10.28 0.88 14.23 10.96 0.90

65 10.49 8.08 0.78 11.19 8.62 0.81 11.90 9.16 0.83 12.39 9.54 0.86 12.74 9.81 0.89 13.70 10.55 0.92 14.62 11.25 0.95

70 10.80 8.32 0.82 11.52 8.87 0.85 12.24 9.42 0.87 12.72 9.79 0.90 13.08 10.07 0.93 14.04 10.81 0.96 15.00 11.55 0.99

75 10.66 8.21 0.84 11.38 8.77 0.87 12.11 9.32 0.90 12.60 9.70 0.92 12.96 9.98 0.95 13.86 10.67 0.99 14.88 11.46 1.02

80 10.38 7.99 0.88 11.10 8.55 0.91 11.82 9.10 0.94 12.36 9.52 0.96 12.84 9.89 0.99 13.68 10.53 1.03 14.64 11.27 1.07

85 10.11 7.78 0.94 10.83 8.34 0.97 11.54 8.89 1.00 12.12 9.33 1.03 12.60 9.70 1.06 13.50 10.40 1.11 14.42 11.10 1.14

90 9.83 7.57 0.98 10.55 8.12 1.01 11.26 8.67 1.04 11.88 9.15 1.08 12.36 9.52 1.11 13.32 10.26 1.15 14.13 10.88 1.19

95 9.53 7.34 1.01 10.25 7.89 1.04 10.96 8.44 1.08 11.67 8.99 1.11 12.00 9.24

1.14 13.10 10.09 1.19 13.81 10.64 1.22

100 9.28 7.15 1.03 10.00 7.70 1.06 10.71 8.25 1.09 11.42 8.80 1.13 11.84 9.12 1.16 12.85 9.89 1.21 13.56 10.44 1.24

105 9.03 6.95 1.05 9.75 7.50 1.08 10.46 8.05 1.11 11.17 8.60 1.15 11.69 9.00 1.18 12.60 9.70 1.23 13.31 10.25 1.27

110 8.78 6.76 1.06 9.50 7.31 1.09 10.21 7.86 1.12 10.92 8.41 1.16 11.44 8.81 1.19 12.35 9.51 1.24 13.07 10.06 1.28

115 8.53 6.57 1.07 9.25 7.12 1.10 9.96 7.67 1.13 10.67 8.22 1.17 11.19 8.62 1.21 12.10 9.32 1.25 12.82 9.87 1.29

118 8.28 6.38 1.08 9.00 6.93 1.11 9.60 7.39 1.15 10.32 7.95 1.18 10.80 8.32 1.22 11.70 9.01 1.27 12.36 9.52 1.30

122 7.89 6.07 1.08 8.56 6.59 1.12 9.24 7.11 1.15 9.91 7.63 1.19 10.40 8.01 1.22 11.27 8.67 1.27 11.94 9.19 1.31

Outdoor

Air

Temp.

(°F DB)

Indoor Air Temperature (°F DB/ °F WB)

64 / 53 68 / 57 72 / 61 77 / 64 80 / 67 86 / 72 90 / 75

TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI

14 5.20 4.58 0.30 5.59 4.92 0.31 5.98 5.26 0.32 6.37 5.61 0.33 6.55 5.77 0.34 7.15 6.29 0.35 7.54 6.64 0.36

23 5.59 4.92 0.30 6.00 5.28 0.31 6.42 5.65 0.32 6.84 6.02 0.33 7.03 6.19 0.34 7.68 6.76 0.35 8.10 7.13 0.36

25 5.67 4.99 0.31 6.08 5.35 0.31 6.50 5.72 0.32 6.92 6.09 0.33 7.11 6.26 0.34 7.76 6.83 0.36 8.18 7.19 0.37

30 5.89 5.18 0.33 6.31 5.56 0.34 6.74 5.93 0.35 7.15 6.29 0.36 7.35 6.47 0.37 8.00 7.04 0.38 8.45 7.43 0.40

35 6.11 5.37 0.35 6.55 5.76 0.36 6.98 6.15 0.37 7.39 6.50 0.38 7.59 6.68 0.40 8.24 7.25 0.41 8.72 7.67 0.42

40 6.33 5.57 0.37 6.78 5.96 0.38 7.23 6.36 0.40 7.62 6.70 0.41 7.83 6.89 0.42 8.49 7.47 0.44 8.99 7.91 0.45

45 6.55 5.76 0.40 7.01 6.17 0.41 7.47 6.57 0.42 7.85 6.91 0.43 8.07 7.10 0.45 8.73 7.68 0.46 9.26 8.15 0.48

50 6.77 5.96 0.42 7.24 6.37 0.43 7.71 6.78 0.44 8.08 7.11 0.46 8.31 7.31 0.47 8.97 7.90 0.49 9.54 8.39 0.51

55 6.99 6.15 0.44 7.47 6.57 0.45 7.95 6.99 0.47 8.31 7.32 0.48 8.55 7.52 0.50 9.22 8.11 0.52 9.81 8.63 0.53

60 7.21 6.34 0.46 7.70 6.77 0.48 8.19 7.21 0.49 8.55 7.52 0.51 8.79 7.73 0.52 9.46 8.32 0.54 10.08 8.87 0.56

65 7.43 6.54 0.49 7.93 6.98 0.50 8.43 7.42 0.52 8.78 7.72 0.53 9.03 7.94 0.55 9.70 8.54 0.57 10.35 9.11 0.59

70 7.65 6.73 0.51 8.16 7.18 0.52 8.67 7.63 0.54 9.01 7.93 0.56 9.27 8.15 0.57 9.95 8.75 0.60 10.63 9.35 0.61

75 7.55 6.65 0.52 8.06 7.10 0.54 8.58 7.55 0.56 8.93 7.85 0.57 9.18 8.08 0.59 9.82 8.64 0.61 10.54 9.28 0.63

80 7.35 6.47 0.55 7.86 6.92 0.56 8.38 7.37 0.58 8.76 7.70 0.60 9.10 8.00 0.62 9.69 8.53 0.64 10.37 9.13 0.66

85 7.16 6.30 0.58 7.67 6.75 0.60 8.18 7.20 0.62 8.59 7.55 0.64 8.93 7.85 0.66 9.56 8.42 0.68 10.21 8.99 0.71

90 6.96 6.13 0.61 7.47 6.57 0.63 7.98 7.02 0.65 8.42 7.41 0.67 8.76 7.70 0.69 9.44 8.30 0.71 10.01 8.81 0.74

95 6.75 5.94 0.63 7.26 6.39 0.65 7.76 6.83 0.67 8.27 7.28 0.69 8.50 7.48

0.71 9.28 8.17 0.74 9.78 8.61 0.76

100 6.57 5.79 0.64 7.08 6.23 0.66 7.59 6.68 0.68 8.09 7.12 0.70 8.39 7.38 0.72 9.10 8.01 0.75 9.61 8.46 0.77

105 6.40 5.63 0.65 6.90 6.08 0.67 7.41 6.52 0.69 7.91 6.96 0.71 8.28 7.29 0.73 8.93 7.85 0.76 9.43 8.30 0.78

110 6.22 5.47 0.65 6.73 5.92 0.68 7.23 6.36 0.70 7.74 6.81 0.72 8.10 7.13 0.74 8.75 7.70 0.77 9.25 8.14 0.79

115 6.04 5.32 0.66 6.55 5.76 0.68 7.06 6.21 0.70 7.56 6.65 0.72 7.93 6.98 0.75 8.57 7.54 0.78 9.08 7.99 0.80

118 5.87 5.16 0.67 6.38 5.61 0.69 6.80 5.98 0.71 7.31 6.43 0.73 7.65 6.73 0.75 8.29 7.29 0.78 8.76 7.70 0.81

122 5.59 4.92 0.67 6.07 5.34 0.69 6.54 5.76 0.71 7.02 6.18 0.73 7.37 6.48 0.76 7.98 7.02 0.79 8.46 7.44 0.81

Table 15: LSN090HXV/LSU090HXV Cooling Capacities.

Table 16: LSN120HXV/LSU120HXV Cooling Capacities.

DB: Dry Bulb Temperature (°F) WB: Wet Bulb Temperature (°F) TC: Total Capacity (kBtu/h)

SHC: Sensible Capacity (kBtu/h) PI: Power Input (kW) (includes compressor,indoor fan motor and

outdoor fan motor)

1. All capacities are net, evaporator fan motor heat is deducted.

2. Grey shading indicates reference data. When operating the unit at this temperature, these values

can be different by discontinuous operation.

3. Direct interpolation is permissible. Do not extrapolate.

Nominal capacity as rated: 0 ft. above sea level with 25 ft. of refrigerant piping.

0 ft. level difference between outdoor and indoor units.

Nominal cooling capacity rating obtained with air entering the indoor unit at 80ºF dry bulb (DB) and

67ºF wet bulb (WB), and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB).

LS090HXV, LS120HXV

PRODUCT DATA | 43

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

Heating Capacity

PERFORMANCE DATA

DB: Dry Bulb Temperature (°F) WB: Wet Bulb Temperature (°F) TC: Total Capacity (kBtu/h)

PI: Power Input (kW) (includes compressor,indoor fan motor and outdoor fan motor)

1. All capacities are net, evaporator fan motor heat is deducted.

2. Direct interpolation is permissible. Do not extrapolate.

Nominal capacity as rated: 0 ft. above sea level with 25 ft. of refrigerant piping.

0 ft. level difference between outdoor and indoor units.

Nominal heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb (DB) and

60ºF wet bulb (WB), and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB).

Outdoor Air

Temp.

Indoor Air Temperature (°F DB)

°F DB °F WB

60 64 68 70 72 75 86

TC PI TC PI TC PI TC PI TC PI TC PI TC PI

16 14 5.70 0.62 5.52 0.62 5.47 0.62 5.41 0.61 5.37 0.61 5.26 0.60 5.14 0.60

19 17 5.81 0.64 5.64 0.64 5.58 0.64 5.52 0.63 5.48 0.63 5.37 0.62 5.24 0.62

24 23 6.37 0.67 6.18 0.66 6.12 0.66 6.06 0.65 6.01 0.65 5.89 0.65 5.75 0.65

32 30 7.64 0.72 7.41 0.71 7.33 0.71 7.26 0.70 7.21 0.70 7.06 0.70 6.89 0.70

41 38 8.77 0.77 8.50 0.76 8.41 0.76 8.33 0.75 8.27 0.75 8.10 0.74 7.91 0.74

43 40 9.05 0.78 8.77 0.77 8.68 0.77 8.60 0.76 8.53 0.76 8.36 0.75 8.16 0.75

47 43 9.47 0.80 9.18 0.79 9.09 0.79 9.00 0.78 8.93 0.78 8.75 0.77 8.54 0.77

53 50 9.57 0.80 9.27 0.80 9.18 0.80 9.09 0.79 9.02 0.79 8.84 0.78 8.63 0.78

59 53 9.78 0.81 9.49 0.80 9.39 0.80 9.30 0.80 9.23 0.80 9.04 0.79 8.83 0.79

64 57 9.99 0.83 9.69 0.82 9.59 0.82 9.50 0.81 9.42 0.81 9.23 0.80 9.01 0.80

70 61 10.18 0.84 9.87 0.83 9.77 0.83 9.68 0.82 9.60 0.82 9.41 0.81 9.18 0.81

75 65 10.32 0.85 10.01 0.84 9.91 0.84 9.81 0.83 9.74 0.83 9.54 0.83 9.31 0.83

Table 17: LSN090HEV1/LSU090HEV1 Heating Capacities.

Outdoor Air

Temp.

Indoor Air Temperature (°F DB)

°F DB °F WB

60 64 68 70 72 75 86

TC PI TC PI TC PI TC PI TC PI TC PI TC PI

16 14 7.59 0.78 7.36 0.77 7.29 0.77 7.22 0.77 7.16 0.77 7.02 0.76 6.85 0.76

19 17 7.75 0.81 7.51 0.80 7.44 0.80 7.36 0.79 7.31 0.79 7.16 0.78 6.99 0.78

24 23 8.50 0.84 8.24 0.83 8.16 0.83 8.08 0.82 8.02 0.82 7.85 0.81 7.67 0.81

32 30 10.19 0.90 9.88 0.89 9.78 0.89 9.68 0.89 9.61 0.89 9.41 0.88 9.19 0.88

41 38 11.69 0.96 11.33 0.95 11.22 0.95 11.11 0.94 11.02 0.94 10.80 0.93 10.55 0.93

43 40 12.06 0.98 11.70 0.97 11.58 0.97 11.47 0.96 11.38 0.96 11.15 0.95 10.88 0.95

47 43 12.63 1.00 12.24 0.99 12.12 0.99 12.00 0.98 11.91 0.98 11.67 0.97 11.39 0.97

53 50 12.75 1.01 12.37 1.00 12.24 1.00 12.12 0.99 12.03 0.99 11.79 0.98 11.51 0.98

59 53 13.04 1.02 12.65 1.01 12.52 1.01 12.40 1.00 12.30 1.00 12.05 0.99 11.77 0.99

64 57 13.32 1.04 12.92 1.03 12.79 1.03 12.66 1.02 12.56 1.02 12.31 1.01 12.02 1.01

70 61 13.57 1.05 13.16 1.04 13.03 1.04 12.90 1.03 12.80 1.03 12.54 1.02 12.25 1.02

75 65 13.76 1.07 13.35 1.06 13.21 1.06 13.08 1.05 12.98 1.05 12.72 1.04 12.42 1.04

Table 18: LSN120HEV1/LSU120HEV1 Heating Capacities.

Outdoor Air

Temp.

Indoor Air Temperature (°F DB)

°F DB °F WB

60 64 68 70 72 75 86

TC PI TC PI TC PI TC PI TC PI TC PI TC PI

16 14 12.02 12.69 11.66 12.57 11.54 12.57 11.43 12.44 11.34 12.44 11.11 12.32 10.85 12.32

19 17 12.27 13.08 11.90 12.96 11.78 12.96 11.66 12.83 11.57 12.83 11.34 12.70 11.07 12.70

24 23 13.46 13.57 13.05 13.43 12.92 13.43 12.79 13.30 12.69 13.30 12.44 13.17 12.14 13.17

32 30 16.13 14.65 15.64 14.51 15.48 14.51 15.33 14.36 15.21 14.36 14.91 14.22 14.55 14.22

41 38 18.51 15.62 17.95 15.46 17.76 15.46 17.59 15.31 17.45 15.31 17.10 15.16 16.70 15.16

43 40 19.10 15.86 18.52 15.70 18.33 15.70 18.15 15.55 18.01 15.55 17.65 15.39 17.23 15.39

47 43 19.99 16.22 19.39 16.06 19.19 16.06 19.00 15.90 18.85 15.90 18.48 15.74 18.04 15.74

53 50 20.19 16.38 19.58 16.22 19.38 16.22 19.19 16.06 19.04 16.06 18.66 15.90 18.22 15.90

59 53 20.65 16.54 20.03 16.38 19.82 16.38 19.63 16.22 19.48 16.22 19.09 16.06 18.63 16.06

64 57 21.09 16.87 20.45 16.70 20.25 16.70 20.05 16.54 19.89 16.54 19.49 16.37 19.03 16.37

70 61 21.49 17.11 20.84 16.94 20.63 16.94 20.43 16.77 20.27 16.77 19.86 16.61 19.39 16.61

75 65 21.79 17.35 21.13 17.18 20.92 17.18 20.71 17.01 20.55 17.01 20.14 16.84 19.66 16.84

Table 19: LSN180HEV1/LSU180HEV1 Heating Capacities.

LS090HEV1, LS120HEV1, LS180HEV1

44 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

Heating Capacity

PERFORMANCE DATA

Outdoor Air

Temp.

Indoor Air Temperature (°F DB)

°F DB °F WB

60 64 68 70 72 75 86

TC PI TC PI TC PI TC PI TC PI TC PI TC PI

16 14 6.90 0.70 6.69 0.70 6.62 0.70 6.55 0.69 6.50 0.69 6.37 0.68 6.22 0.68

19 17 7.04 0.72 6.82 0.72 6.76 0.72 6.69 0.71 6.64 0.71 6.50 0.70 6.35 0.70

24 23 7.72 0.75 7.49 0.74 7.41 0.74 7.34 0.74 7.28 0.74 7.13 0.73 6.96 0.73

32 30 9.25 0.81 8.97 0.80 8.88 0.80 8.79 0.80 8.73 0.80 8.55 0.79 8.35 0.79

41 38 10.62 0.86 10.30 0.86 10.19 0.86 10.09 0.85 10.01 0.85 9.81 0.84 9.58 0.84

43 40 10.96 0.88 10.63 0.87 10.52 0.87 10.41 0.86 10.33 0.86 10.13 0.85 9.89 0.85

47 43 11.47 0.90 11.12 0.89 11.01 0.89 10.90 0.88 10.82 0.88 10.60 0.87 10.35 0.87

53 50 11.58 0.91 11.23 0.90 11.12 0.90 11.01 0.89 10.92 0.89 10.71 0.88 10.45 0.88

59 53 11.85 0.92 11.49 0.91 11.37 0.91 11.26 0.90 11.17 0.90 10.95 0.89 10.69 0.89

64 57 12.10 0.93 11.73 0.92 11.61 0.92 11.50 0.92 11.41 0.92 11.18 0.91 10.92 0.91

70 61 12.33 0.95 11.96 0.94 11.83 0.94 11.72 0.93 11.63 0.93 11.39 0.92 11.12 0.92

75 65 12.50 0.96 12.12 0.95 12.00 0.95 11.88 0.94 11.79 0.94 11.55 0.93 11.28 0.93

Outdoor Air

Temp.

Indoor Air Temperature (°F DB)

°F DB °F WB

60 64 68 70 72 75 86

TC PI TC PI TC PI TC PI TC PI TC PI TC PI

16 14 8.23 0.87 7.98 0.86 7.90 0.86 7.82 0.85 7.76 0.85 7.60 0.84 7.42 0.84

19 17 8.39 0.90 8.14 0.89 8.06 0.89 7.98 0.88 7.92 0.88 7.76 0.87 7.57 0.87

24 23 9.21 0.93 8.93 0.92 8.84 0.92 8.75 0.91 8.68 0.91 8.51 0.90 8.31 0.90

32 30 11.04 1.00 10.70 0.99 10.59 0.99 10.49 0.98 10.41 0.98 10.20 0.97 9.96 0.97

41 38 12.66 1.07 12.28 1.06 12.15 1.06 12.03 1.05 11.94 1.05 11.70 1.04 11.42 1.04

43 40 13.07 1.09 12.67 1.07 12.54 1.07 12.42 1.06 12.33 1.06 12.08 1.05 11.79 1.05

47 43 13.68 1.11 13.26 1.10 13.13 1.10 13.00 1.09 12.90 1.09 12.64 1.08 12.34 1.08

53 50 13.82 1.12 13.40 1.11 13.26 1.11 13.13 1.10 13.03 1.10 12.77 1.09 12.46 1.09

59 53 14.13 1.13 13.70 1.12 13.56 1.12 13.43 1.11 13.33 1.11 13.06 1.10 12.75 1.10

64 57 14.43 1.15 13.99 1.14 13.85 1.14 13.72 1.13 13.61 1.13 13.34 1.12 13.02 1.12

70 61 14.71 1.17 14.26 1.16 14.11 1.16 13.98 1.15 13.87 1.15 13.59 1.14 13.27 1.14

75 65 14.91 1.19 14.46 1.18 14.31 1.18 14.17 1.16 14.06 1.16 13.78 1.15 13.45 1.15

LS240HEV1, LS090HXV, LS120HXV

Outdoor Air

Temp.

Indoor Air Temperature (°F DB)

°F DB °F WB

60 64 68 70 72 75 86

TC PI TC PI TC PI TC PI TC PI TC PI TC PI

16 14 13.92 15.45 13.50 15.30 13.36 15.30 13.23 15.14 13.13 15.14 12.87 14.99 12.56 14.99

19 17 14.21 15.92 13.77 15.77 13.64 15.77 13.50 15.61 13.40 15.61 13.13 15.46 12.82 15.46

24 23 15.58 16.51 15.11 16.35 14.96 16.35 14.81 16.19 14.69 16.19 14.40 16.03 14.06 16.03

32 30 18.68 17.83 18.11 17.66 17.93 17.66 17.75 17.48 17.61 17.48 17.26 17.31 16.85 17.31

41 38 21.43 19.00 20.78 18.82 20.57 18.82 20.37 18.63 20.21 18.63 19.80 18.44 19.33 18.44

43 40 22.12 19.30 21.45 19.11 21.23 19.11 21.02 18.92 20.86 18.92 20.44 18.73 19.95 18.73

47 43 23.15 19.74 22.45 19.54 22.22 19.54 22.00 19.35 21.83 19.35 21.39 19.16 20.88 19.16

53 50 23.38 19.93 22.67 19.74 22.44 19.74 22.22 19.54 22.05 19.54 21.61 19.35 21.09 19.35

59 53 23.91 20.13 23.19 19.93 22.95 19.93 22.73 19.74 22.55 19.74 22.10 19.54 21.57 19.54

64 57 24.42 20.53 23.68 20.33 23.44 20.33 23.21 20.12 23.03 20.12 22.57 19.92 22.03 19.92

70 61 24.89 20.82 24.13 20.62 23.89 20.62 23.65 20.41 23.47 20.41 23.00 20.21 22.45 20.21

75 65 25.23 21.12 24.47 20.91 24.22 20.91 23.98 20.70 23.80 20.70 23.32 20.50 22.76 20.50

Table 20: LSN240HEV1/LSU240HEV1 Heating Capacities.

DB: Dry Bulb Temperature (°F) WB: Wet Bulb Temperature (°F) TC: Total Capacity (kBtu/h)

PI: Power Input (kW) (includes compressor,indoor fan motor and outdoor fan motor)

1. All capacities are net, evaporator fan motor heat is deducted.

2. Direct interpolation is permissible. Do not extrapolate.

Nominal capacity as rated: 0 ft. above sea level with 25 ft. of refrigerant piping.

0 ft. level difference between outdoor and indoor units.

Nominal heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb (DB) and

60ºF wet bulb (WB), and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB).

Table 21: LSN090HXV/LSU090HXV Heating Capacities.

Table 22: LSN120HXV/LSU120HXV Heating Capacities.

PRODUCT DATA | 45

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

PERFORMANCE DATA

Air Flow and Temperature Distributions Graphs

LSN090HEV1

LSN120HEV1

Cooling

Discharge angle:45°

Heating

Discharge angle:50°

Coolin

Discharge angle:45°

Heating

Discharge angle:50°

Air velocity [ft/s]

Temperature [°F]

1.6

3.3

4.9

6.6

3.3

1.6

8.2

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

78.8

82.4

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

Air velocity [ft/s]

Temperature [°F]

1.6

3.3

6.6

4.9

1.6

3.3

8.2

4.9

9.8

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

69.8

66.2

73.4

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

Air velocity [ft/s]

Temperature [°F]

1.6

3.3

9.8

6.6

4.9

8.2

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

78.8

82.4

89.6

82.4

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

Air velocity [ft/s]

Temperature [°F]

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

3.3

1.6

4.9

3.3

8.2

3.3

1.6

6.6

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

69.8

66.2

46 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

PERFORMANCE DATA

Air Flow and Temperature Distributions Graphs

LSN180HEV1

LSN240HEV1

Cooling

Discharge angle:45°

Heating

Discharge angle:50°

80. 6

87. 8

87.8

84. 2

84.2

84. 2

3.3

4.9

6.6

8.2

Air velocity [ft/s]

Temperature [°F]

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

66.2

69.8

Air velocity [ft/s]

Temperature [°F]

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

8.2

4.9

1.6

3.3

6.6

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

Coolin

Discharge angle:45°

Heating

Discharge angle:50°

84. 2

91.4

87.8

4.9

1.6

3.3

6.6

8.2

9.8

1.6

4.9

Air velocity [ft/s]

Temperature [°F]

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

87. 8

84. 2

66.2

62.6

3.3

4.9

6.6

3.3

4.9

1.6

9.8

8.2

Air velocity [ft/s]

Temperature [°F]

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

3.3

6.6

[ ft ]

03.36.69.813.116.4

[ ft ]

69.8

PRODUCT DATA | 47

Product Data

Due to our policy of continuous product innovation, some specications may change without notication.

PERFORMANCE DATA

Air Flow and Temperature Distributions Graphs

LSN090HXV

LSN120HXV

Cooling

Discharge angle: 45°

Heating

Discharge angle: 50°

Air velocity [ft/s]

Temperature [°F]

6.6ft

3.3ft

0ft

26.2ft 13.1ft 9.8ft 6.6ft 3.3ft

0ft

16.4ft19.7ft23.0ft

6.6ft

3.3ft

0ft

26.2ft 13.1ft 9.8ft 6.6ft 3.3ft

0ft

16.4ft19.7ft23.0ft

3. 3

73.4

69.8

66.2

9.8

8.2

4.9

6.6

Air velocity [ft/s]

Temperature [°F]

3. 3

98. 6

91. 4

87. 8

84.2

80. 6

11 .5

13.1

9.8

8.2

4.9

6.6

6.6ft

3.3ft

0ft

26.2ft 13.1ft 9.8ft 6.6ft 3.3ft

0ft

16.4ft19.7ft23.0ft

6.6ft

3.3ft

0ft

26.2ft 13.1ft 9.8ft 6.6ft 3.3ft

0ft

16.4ft19.7ft23.0ft

Air velocity [ft/s]

Temperature [°F]

64. 4

66. 2

69. 8

73. 4

8.2

13.1

9.8

8.2

6.6

4.9

3. 3

6.6ft

3.3ft

0ft

26.2ft 13.1ft 9.8ft 6.6ft 3.3ft

0ft

16.4ft19.7ft23.0ft

6.6ft

3.3ft

0ft

26.2ft 13.1ft 9.8ft 6.6ft 3.3ft

0ft

16.4ft19.7ft23.0ft

Air velocity [ft/s]

Temperature [°F]

3. 3

4. 9

93. 2

89. 6

82. 4

78. 8

13.1

9.8

8.2

6.6

6.6ft

3.3ft

0ft

26.2ft 13.1ft 9.8ft 6.6ft 3.3ft

0ft

16.4ft19.7ft23.0ft

6.6ft

3.3ft

0ft

26.2ft 13.1ft 9.8ft 6.6ft 3.3ft

0ft

16.4ft19.7ft23.0ft

Cooling

Discharge angle:45°

Heating

Discharge angle:50°

Based on maximum air flow.

48 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

“Equipment Selection Procedure” on page 50

“Building Ventilation Design Guide” on page 52

“Placement Considerations” on page 54

APPLICATION

GUIDELINES

50 | APPLICATION GUIDELINES

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

EQUIPMENT SELECTION PROCEDURE

Cooling / Heating Correction Factors

For the Single Zone Mega Wall Mounted system, calculate the equivalent length of the liquid line from the outdoor unit to the indoor unit.

Also, determine the elevation difference of the indoor unit above or below the outdoor unit. Find corresponding cooling or heating capacity

correction factors as shown in Figures 17 through 20. Multiply the correction factors by the cooling or heating capacity obtained from the

capacity tables using design conditions. The resultant is the NET cooling or heating capacity.

Figure 17: LS090-240HEV1 Cooling Coefcient Factor.

Figure 18: LS090-240HEV1 Heating Coefcient Factor.

Cooling

9k,12k

18k,24k

49.2 65.6

To tal Pipe Length (ft)

100

24.6

Capacity(%)

Heating

24.6

100

9k,12k

18k,24k

49.2 65.6

To tal Pipe Length (ft)

Capacity(%)

APPLICATION GUIDELINES | 51

Application Guidelines

Due to our policy of continuous product innovation, some specications may change without notication.

Figure 19: LS090HXV, LS120HXV Cooling Coefcient Factor.

Figure 20: LS090HXV, LS120HXV Heating Coefcient Factor.

EQUIPMENT SELECTION PROCEDURE

Cooling

9k,12k

49.2 98.4

otal Pipe Length (ft)

Capacity (%)

100

24.6

Heating

Capacity (%)

24.6

100

9k,12k

49.2 98.4

Total Pipe Length (ft)

52 | APPLICATION GUIDELINES

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

BUILDING VENTILATION DESIGN GUIDE

Advantages

• May be used with all single zone systems.

• The outdoor air unit may supply “neutral” air to the occupant space

even when the single zone indoor unit fan changes speed or cycles

on and off. DDOAS controls do not have to be interlocked with the

single zone system.

• In lieu of installing localized smaller outside air treatment

equipment throughout the building, this method centralizes the

ventilation air source making service and filter changes easier and

less disruptive for the building occupants.

• Third-party demand control ventilation controls are more readily

accommodated.

Disadvantages

• Ceiling space is required to accommodate ductwork between the

centralized outdoor air unit and ceiling diffusers.

LG recommends using the DDOAS method in all installations.

Ceiling Diffuser

Outdoor Air Unit / ERV

Outdoor Air

Wall Mount Inverter

Intake Grill

Figure 21: Decoupled Dedicated Outdoor System Diagram

Methodology illustrations are for examples only and do not depict actual

indoor units for the specic outdoor unit pairing. These are generic illus-

trations to show ventilation design only.

Building Ventilation Design Guide

ASHRAE 62.1 and local codes specify the minimum volume of outdoor air that must be provided to an occupied space. Outdoor air is

required to minimize adverse health effects, and it provides acceptable indoor air quality for building occupants. The three methods of ac-

complishing this with single zone systems are summarized here.

Method 1: Decoupled Dedicated Outdoor Air System (DDOAS)

Provide a separate, dedicated outdoor-air system designed to filter, condition, and dehumidify ventilation air and deliver it directly to the

conditioned space through a separate register or grille. This approach requires a separate independent ventilation duct system not associ-

ated with single zone systems (Figure 21).

Although we believe that these building ventilation methods have been portrayed accurately, none of the methods have been tested, veried, or

evaluated by LG Electronics, U.S.A., Inc., In all cases, the designer, installer, and contractor should understand if the suggested method is used, it

is used at their own risk. LG Electronics U.S.A., Inc., takes no responsibility and offers no warranty, expressed or implied, in law or in fact, including

but not limited to any implied warranty of merchantability or tness for a particular purpose.

• For a complete copy of Standard 62.1-2010, refer to the American Standard of Heating and Air Conditioning Engineers (ASHRAE)

website at www.ashrae.org.

• For more information on how to properly size a ventilation air pretreatment system, refer to the article, “Selecting DOAS Equipment with

Reserve Capacity” by John Murphy, published in the ASHRAE Journal, April 2010.

APPLICATION GUIDELINES | 53

Application Guidelines

Due to our policy of continuous product innovation, some specications may change without notication.

BUILDING VENTILATION DESIGN GUIDE

Method 2: Unconditioned Outdoor Air (Non-Ducted, Natural Ventilation)

Natural ventilation devices, such as operable windows or louvers may be used to ventilate the building when local code permits. The open

area of a window or the free area of a louver must meet the minimum percentage of the net occupied floor area. Refer to Figure 22.

Advantages

• Occupants control the volume of the ventilation air manually.

• Useful for historic buildings that have no ceiling space available for

outdoor air ductwork.

• May be used with single zone systems.

Disadvantages

• In some locations, it may be difficult to control humidity levels when

windows are open.

• Thermal comfort levels may be substandard when windows are open.

• Indoor units may have to be oversized to account for the added

heating and cooling loads when windows are open.

• Provides outdoor air to perimeter spaces only. Additional mechani-

cal ventilation system may be required to satisfy requirements for

interior spaces.

• Outdoor air loads may be difficult to calculate since the quantity of

outdoor air is not regulated.

• May affect indoor unit proper operation when open.

Method 3: Unconditioned Outdoor Air (Non-Ducted, Fan Assisted Ventilation)

When approved by local codes, the fan assisted ventilation method uses exhaust fans to remove air from the building, and outdoor air is

drawn into occupied spaces through a wall louver or gravity roof intake hood. Supply fans can also be used to push the outdoor air into the

space and building positive pressure will vent the exhaust air through louvers or roof-mounted exhaust hoods. Outdoor air is neither cooled

nor heated before entering the building. Refer to Figure 23.

Advantages

• Outdoor air may be manually controlled by the occupant or auto-

matic controls may be installed to open/close outdoor air dampers

or to turn on/off ventilation fans.

• Useful for large open spaces like warehouses, garages, and

workshops.

• Outdoor air volume is a known quantity. Air loads may be easier to

calculate since fans will regulate the amount of outdoor air.

• May be used with single zone systems.

Disadvantages

• In some locations of the country, it may be difficult to control

humidity levels while outdoor air louvers/hoods are opened.

• Thermal comfort levels may be substandard when louvers/hoods

are opened.

• Indoor units may have to be oversized to account for the added

heating/cooling loads when louvers/hoods are open.

• Hot, cold, and/or humid areas may be present if the outdoor air is

not evenly distributed to the different spaces.

This may result in loss of building pressurization control, increasing inltration loads with adverse effects.

Figure 22: Unconditioned Outdoor Air (Non-Ducted)

OA Wall

Louver

Damper

Roof Fan

Figure 23: Unconditioned Outdoor Air (Non-Ducted)

Methodology illustrations are for examples only and do not depict actual

indoor units for the specic outdoor unit pairing. These are generic illus-

trations to show ventilation design only.

Methodology illustrations are for examples only and do not depict

actual indoor units for the specic outdoor unit pairing. These are

generic illustrations to show ventilation design only.

54 | APPLICATION GUIDELINES

Single Zone Mega Wall Mounted Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.

PLACEMENT CONSIDERATIONS

Selecting the Best Location

DANGER

To avoid the possibility of re, do not install the unit in an area where combustible gas may generate, ow, stagnate, or leak. Failure to do so will cause

serious bodily injury or death.

• Install a fence to prevent vermin from crawling into the unit or unauthorized individuals from accessing it.

• Do not install the unit in a location where acidic solution and spray (sulfur) are often used as this may cause serious bodily injury or death.

• Do not use the unit in environments where oil, steam, or sulfuric gas are present as this may cause serious bodily injury or death.

Select a location for installing the outdoor unit that will meet the following conditions:

• Where the unit will not be subjected to direct thermal radiation from other heat sources.

• Where operating sound from the unit will not disturb inhabitants of surrounding buildings.

• Where the unit will not be exposed to direct, strong winds.

• Where there is enough strength to bear the weight of the unit.

• Include space for drainage to ensure condensate flows properly out of the unit when it is in heating mode.

• Include enough space for air flow and for service access.

To ensure the outdoor unit operates properly, certain measures are required in locations where there is a possibility of heavy snowfall or

severe wind chill or cold:

1. Prepare for severe winter wind chills and heavy snowfall, even in areas of the country where these are unusual phenomena.

2. Position the outdoor unit so that its airflow fans are not buried by direct, heavy snowfall. If snow piles up and blocks the airflow, the

system may malfunction.

3. Remove any snow that has accumulated by 4 inches or more on the top of the outdoor unit.

4. Place the outdoor unit on a raised platform at least 20 inches higher than the average annual snowfall for the area. In environments where

there is a possibility of heavy snow, the frame height must be more than two (2) times the amount of average annual snowfall, and should

not exceed the width of the outdoor unit. If the frame width is wider than the outdoor unit, snow may accumulate.

5. Install a snow protection hood.

6. To prevent snow and heavy rain from entering the outdoor unit, install the suction and discharge ducts facing away from direct winds.

7. Additionally, the following conditions should be taken into consideration when the unit operates in defrost mode:

• If the outdoor unit is installed in a highly humid environment (near an ocean, lake, etc.), ensure that the site is well-ventilated and has a lot

of natural light. (Example: Install on a rooftop.)

• Sidewalks or parking lots near the outdoor unit may accumulate moisture after unit operates in defrost mode that can turn to ice.

The indoor unit may take longer to provide heat, or heating performance will be reduced in winter if the unit is installed:

1. In a narrow, shady location.

2. Near a location that has a lot of ground moisture.

3. In a highly humid environment.

4. In an area in which condensate does not drain properly.

Ambient Air Conditions

• Avoid exposing the unit to discharge from boiler stacks, chimneys, steam relief ports, other air conditioning units, kitchen vents, plumbing

vents, or substances that may degrade performance or cause damage to the unit.

• When installing multiple outdoor units, avoid placing the units where discharge of one outdoor unit will blow into the inlet side of an

adjacent unit.

Avoid exposing the unit to sources of extreme temperature or gases to prevent serious bodily injury.

APPLICATION GUIDELINES | 55

Application Guidelines

Due to our policy of continuous product innovation, some specications may change without notication.

PLACEMENT CONSIDERATIONS

Indoor Unit Clearance/Outdoor Unit Installation

General Mounting for Outdoor Units

Securely attach the outdoor unit to a condenser pad, base rails, or

another mounting platform that is securely anchored to the ground

or building structure. Attach the outdoor unit with a bolt and nut on

a concrete or rigid mount. See Figure 25. Refer to the applicable

installation manual and follow applicable local codes for clearance,

mounting, anchor and vibration attenuation requirements.

All referenced materials are to be eld-supplied. Images are not

to scale.

Mounting Platform

The underlying structure or foundation must be designed to support

the weight of the unit. Avoid placing the unit in a low lying area

where water may accumulate. When installing the outdoor unit on

the wall, or roof top, anchor the mounting base securely to account

for wind, earthquake or vibration.

Tie-Downs and Wind Restraints

The strength of the Duct-free Split Single Zone Inverter system

frame is adequate to be used with field-provided wind restraint

tie-downs. The overall tie-down configuration must be approved by a

local professional engineer.

Always refer to local code when designing a wind restraint system.

Snow and Ice Conditions

In climates that experience snow build-up, place the unit on a raised platform to ensure condenser airflow. The raised support platform must

be high enough to allow the unit to remain above possible snow drifts. Mount the unit on a field-provided snow stand at a minimum height

that is equal to the average annual snowfall plus 20 inches. Design the mounting base to prevent snow accumulation on the platform in front

or back of the unit case. If necessary, provide a field fabricated hood to keep snow and ice and/or drifting snow from accumulating on the coil

surfaces. Use inlet and discharge duct or hoods to prevent snow or rain from accumulating on the fan inlet and outlet guards. Best practice

prevents snow from accumulating on top of the unit. Consider tie-down requirements in case of high winds or where required by local codes.

Figure 24: Single Zone Indoor Unit Clearance Requirements.

Bolt

Placement

& Anti-Vibration

Pad

Piping Connection

Top of Unit

Foundation

Indoor Unit Best Location

Follow recommended best practices when choosing an indoor location for the

single zone indoor unit.

• Use a metal detector to locate studs in the walls. Anchor unit following stud

location, to prevent damage to the wall.

• Clearance gap between any wall or enclosure and the left or right side of the

unit must be greater than 4 inches (Figure 24).

• Follow Table 11 for minimum clearance of indoor unit from the top of the unit

to the ceiling.

• Unit should be at least 6.5 feet from the oor for adequate clearance.

Minimum clearance

from ceiling - “A”

More than 4 inches

More than

4 inches

At least 6.5 feet from the ﬂoor

“A” Ceiling Clearance (inches) Indoor Unit Model(s)

5 LSN090HEV1, LSN120HEV1

LSN090HXV, LSN120HXV,

LSN180HEV1, LSN240HEV1

Table 11: Indoor Unit Ceiling Clearance.

Figure 25: Outdoor Unit Mounting Methods.

When deciding on a location to place the outdoor unit, be sure to choose an area where run-off from defrost will not accumulate and freeze on

sidewalks or driveways which may create unsafe conditions.

CAUTION

• Keep unit away from any indoor steam or excessive heat.

• No obstacles should be placed around unit.

• Condensation drain (leakage piping) should be routed away from the unit.

• Do not install near doorway.

56 | APPLICATION GUIDELINES

Single Zone Mega Wall Mounted Engineering Manual

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Outdoor Unit Clearances

PLACEMENT CONSIDERATIONS

Minimum Clearance Requirements for Single-Zone Mega Systems

Proper clearance for the outdoor unit coil is critical for proper unit operation. When installing the outdoor unit, consider service, inlet and

outlet and minimum allowable space requirements as illustrated in the diagrams below.

Specific clearance requirements in the diagram below are for the single-zone Art Cool Premier wall mount systems. Figure 26 shows the

overall minimum clearances that must be observed for safe operation and adequate airflow around the outdoor unit.

Figure 26: Outdoor Unit Clearances.

Unit : inch

When placing the outdoor unit under an overhang, awning, sunroof or other “roof-like structure”, observe the clearance requirements (as

shown in Figure 27) for height in relation to the unit. This clearance ensures that heat radiation from the condenser is not restricted around

the unit.

Adhere to all clearance requirements if installing the unit on a roof. Be sure to level the unit and ensure that the unit is adequately anchored.

Consult local codes for rooftop mounting requirements.

Do not place the unit where animals and/or plants will be in the path of the warm air, or where the warm air and/or noise will disturb neighbors.

Figure 27: Outdoor Unit Sunroof/Awning Clearances.

More than

Sunroof

Fence or

obstacles

More than

Unit : inch

More than

Minimum

ODU Service Access & Clearances

Unit: Inch

In order to have successful service access to the out door unit, see Figure 28 for minimum spacing. When installing multiple outdoor units,

see Figure 29 for correct spacing requirements.

Minimum

Unit: Inch

Multiple ODUs

Service Access & Clearances

Figure 28: ODU Service Access Clearance - Single Unit. Figure 29: ODU Service Access Clearance - Multiple Units.

REFRIGERANT PIPING

DESIGN & LAYOUT

BEST PRACTICES

“Refrigerant Piping Design” on page 58

"Selecting Field-Supplied Copper Tubing" on page 59

"Refrigerant Piping System Layout" on page 60

"Piping Connection" on page 59

"Electrical Connections" on page 64

"Mechanical Specifications" on page 66

"Acronyms" on page 67

Due to our policy of continuous product innovation, some specications may change without notication.

58 | REFRIGERANT DESIGN

Single Zone Mega Wall Mounted Engineering Manual

REFRIGERANT PIPING DESIGN

Design Guideline Summary/Selecting Field-Supplied Copper Tubing

Table 12: Single-Zone Mega Wall Mount Refrigerant Piping System Limitations.

Pipe Length

(ELF = Equivalent Length of

pipe in Feet)

Longest total equivalent piping length

LS090HEV1/

LS120HEV1

LS180HEV1/

LS240HEV1

LSU090HXV/

LSU120HXV

49.2 feet 65.6 feet 49.2 feet

Shortest total equivalent piping length

9.8 feet 9.8 feet 6.6 feet

Piping Length (no additional refrigerant)

24.6 feet 24.6 feet 24.6 feet

Distance between fittings and indoor or

outdoor units

≥20 inches ≥20 inches ≥20 inches

Elevation

(All Elevation Limitations are

Measured in Actual Feet)

If outdoor unit is above indoor unit

22.9 feet 32.8 feet 22.9 feet

If outdoor unit is below indoor unit

22.9 feet 32.8 feet 22.9 feet

Additional Refrigerant Needed (oz/ft)

0.22 0.33 0.22

Figure 30: Mega System Layout.

Max Length = A

Max Elevation = B

Unit = Feet

Outdoor unit

Indoor unit

Outdoor unit

Indoor unit

Device Connection Limitations

Single-zone systems consist of one outdoor unit and one indoor

unit. One of the most critical elements of a single zone system is

the refrigerant piping. Table 12 lists pipe length limits that must be

followed in the design of a Single Zone Art Cool Premier refrigerant

pipe system. Refer to Figure 30 for maximum length and elevation of

piping.

Pipe

Length

Fluid Temperature °F

35° 40° 45° 50° 55° 60° 65° 70° 75° 80° 85° 90° 95° 100° 105° 110° 115° 120° 125° 130°

0.04 0.04 0.05 0.06 0.06 0.07 0.08 0.08 0.09 0.09 0.10 0.10 0.11 0.11 0.11 0.12 0.13 0.14 0.15 0.15

0.08 0.08 0.10 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.20 0.21 0.22 0.22 0.23 0.26 0.28 0.29 0.30

0.12 0.12 0.15 0.18 0.20 0.21 0.23 0.24 0.26 0.27 0.29 0.30 0.32 0.33 0.32 0.35 0.39 0.42 0.44 0.45

0.16 0.16 0.20 0.24 0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 0.42 0.44 0.43 0.46 0.52 0.56 0.58 0.60

0.20 0.20 0.25 0.30 0.33 0.35 0.38 0.40 0.43 0.45 0.48 0.50 0.53 0.55 0.54 0.58 0.65 0.70 0.73 0.75

0.24 0.24 0.30 0.36 0.39 0.42 0.45 0.48 0.51 0.54 0.57 0.60 0.63 0.66 0.65 0.69 0.78 0.84 0.87 0.90

Pipe length baseline temperature = 0°F. "Expansion of Carbon, Copper and Stainless Steel Pipe," The Engineers' Toolbox, www.engineeringtoolbox.com.

Table 13: Linear Thermal Expansion of Copper Tubing in Inches

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REFRIGERANT DESIGN | 59

Refrigerant Piping Design & Layout Best Practices

REFRIGERANT PIPING DESIGN

Selecting Field-Supplied Copper Tubing

Figure 31: Coiled Expansion Loops and Offsets.

Anticipated Linear

Expansion (LE) (inches)

Nominal Tube Size (OD) inches

1/4 3/8 1/2 3/4

1/2

6 7 8 9

38 44 50 59

9 10 11 13

54 63 70 83

1-1/2

11 12 14 16

66 77 86 101

12 14 16 19

77 89 99 117

2-1/2

14 16 18 21

86 99 111 131

15 17 19 23

94 109 122 143

3-1/2

16 19 21 25

102 117 131 155

17 20 22 26

109 126 140 166

Table 14: Radii of Coiled Expansion Loops and Developed Lengths of Expansion Offsets.

Large Tubing U-bend (>3/4 in.) Loop Small Tubing U-bend (<3/4 in.)

R = Centerline Length of Pipe.

L = Centerline Minimum Radius (inches).

Physical Pipe Length: Actual length of straight segment(s) of pipe.

Equivalent Pipe Length: Actual length of pipe plus equivalent lengths of elbows and valves.

1. Draft a one-line diagram of the proposed piping system connecting outdoor unit to indoor unit. Follow the pipe limitations listed on page

58.

2. Calculate the physical length of each pipe segment and note it on the drawing.

3. Calculate the equivalent pipe length of each pipe segment.

Definitions

Layout Procedure

Field-Provided Isolation Ball Valves

It is acceptable to install field-supplied ball valves with Schrader ports at the indoor unit. Full-port isolation ball valves with Schrader ports

(positioned between valve and indoor unit) rated for use with R410A refrigerant should be used on both the liquid and vapor lines.

If valves are not installed and the indoor unit needs to be removed or repaired, the entire system must be shut down and evacuated. Position

valves with a minimum distance of three (3) to six (6) inches of pipe on either side of the valve. Valves must be easily accessible for service.

If necessary, install drywall access doors or removable ceiling panels, and position the valves to face the access door or ceiling panel open-

ing. Mount valves with adequate space between them to allow for placement of adequate pipe insulation around the valves. Recommended

best practice is to clearly label and document locations of all service valves. The equivalent pipe length of each ball valve must be added to

each pipe segment.

Using Elbows

Field-supplied elbows are allowed as long as they are long radius and designed

for use with R410A refrigerant. The designer should be cautious with the quantity

and size of fittings used, and must account for the additional pressure losses in

equivalent pipe length calculation. The equivalent pipe length of each elbow must

be added to each pipe segment. See Table 15 for equivalent lengths.

Table 15: Equivalent Piping Length for Piping Components.

Component

Size (Inches)

1/4 3/8 1/2 5/8 3/4

Long Radius Elbow (ft.)

0.5 0.6 0.7 0.8 1.2

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60 | REFRIGERANT DESIGN

Single Zone Mega Wall Mounted Engineering Manual

INSTALLATION & LAYOUT BEST PRACTICES

Refrigerant Piping System Layout

Figure 32: Installing Piping Above and Below an Obstacle

Above an obstacle.

Below an obstacle.

Minimum

Obstacles

When an obstacle, such as an I-beam or concrete T, is in the path

of the planned refrigerant pipe run, it is best practice to route the

pipe over the obstacle. If adequate space is not available to route

the insulated pipe over the obstacle, then route the pipe under the

obstacle. In either case, it is imperative the horizontal section of pipe

above or below the obstacle be a minimum of three (3) times greater

than the longest vertical rise (or fall) distance (Figure 32).

No Pipe Size Substitutions

Using a different size is prohibited and may result in a system malfunction or failure to work at all.

In-line Refrigeration Components

Components such as oil traps, solenoid valves, filter-dryers, sight glasses, tee fittings, and other after-market accessories are not permitted

on the refrigerant piping system between the outdoor unit and the indoor unit. Single Zone Mega Inverter Wall Mounted air-source systems

are provided with redundant systems that assure oil is properly returned to the compressor. Sight-glasses and solenoid valves may cause

vapor to form in the liquid stream. Over time, dryers may deteriorate and introduce debris into the system. The designer and installer should

verify the refrigerant piping system is free of traps, sagging pipes, sight glasses, filter dryers, etc.

Pipe Supports

A properly installed pipe system should be adequately supported

to avoid pipe sagging. Sagging pipes become oil traps that lead to

equipment malfunction.

Pipe supports should never touch the pipe wall; supports shall be

installed outside (around) the primary pipe insulation jacket (see

Figure 33). Insulate the pipe first because pipe supports shall be

installed outside (around) the primary pipe insulation jacket. Clevis

hangers should be used with shields between the hangers and

insulation. Field provided pipe supports should be designed to

meet local codes. If allowed by code, use fiber straps or split-ring

hangers suspended from the ceiling on all-thread rods (fiber straps

or split ring hangers can be used as long as they do not compress

the pipe insulation). Place a second layer of insulation over the pipe

insulation jacket to prevent chafing and compression of the primary

insulation within the confines of the support pipe clamp.

A properly installed pipe system will have sufficient supports to avoid

pipes from sagging during the life of the system. As necessary,

place supports closer for segments where potential sagging could

occur. Maximum spacing of pipe supports shall meet local codes.

If local codes do not specify pipe support spacing, pipe shall be

supported as follows:

• Maximum of five feet (5′) on center for straight segments of pipe up

to 3/4" outside diameter size.

Wherever the pipe changes direction, place a hanger within twelve

(12) inches on one side and within twelve to nineteen (12 to 19)

inches of the bend on the other side as shown in Figure 35.

Figure 33: Pipe Hanger Details

Figure 34: Typical Pipe Support

Location—Change in Pipe Direction

Figure 35: Pipe Support at

Indoor Unit

Max. 12"

~ 12" – 19"

A + B ~ 12" – 19"

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REFRIGERANT DESIGN | 61

Refrigerant Piping Design & Layout Best Practices

Refrigerant Piping System Layout

Figure 36: Pipe Sleeve Options.

Underground Refrigerant Piping

Refrigerant pipe installed underground should be routed inside a

vapor tight protective sleeve to prevent insulation deterioration and

water infiltration. Refrigerant pipe installed inside underground

casing must be continuous without any joints. Underground refriger-

ant pipe must be located at a level below the frost line.

Figure 37: Typical Arrangement of Refrigerant Pipe and Cable(s) in a

Utility Conduit.

INSTALLATION & LAYOUT BEST PRACTICES

Diameter of penetrations shall be determined by pipe diameter plus the thickness of the insulation.

Pipe Sleeves at Penetrations

LG requires that all pipe penetrations through walls, floors, and pipes buried underground be properly insulated and routed through an ap-

propriate wall sleeve of sufficient size to prevent compression of refrigerant pipe insulation and free movement of the pipe within the sleeve

(Figure 36). Underground refrigerant pipe shall be routed inside a protective sleeve to prevent insulation deterioration.

Table 16: Utility Conduit Sizes (Inches)

OD pipe diameter in inches; Values in parenthesis () indicate OD of pipe with insulation jacket.

Diameter of pipe with insulation. Thickness of pipe insulation is typical. Actual required thickness may

vary based on surrounding ambient conditions and should be calculated and specified by the design

engineer.

Insulation thickness (value in parenthesis) = 3/8 inch.

Insulation thickness (value in parenthesis) = 3/4 inch.

Liquid Pipe

Vapor Pipe

3/8 (1-1/8

2,3

) 1/2 (2.0

2,4

) 5/8 (2-1/8

2,4

)

1/4 (1.0)

4 4 4

3/8 (1-1/8)

4 4 4

Model

Liquid Conn.

(inches)

Vapor Conn.

(inches)

LSU090HEV1, LSU120HEV1 1/4 3/8

LSU180HEV1 1/4 1/2

LSU240HEV1 1/4 5/8

LSU090HXV, LSU120HXV 1/4 3/8

Table 17: Outdoor Unit Refrigerant Pipe Connections (All Brazed Type).

Vapor Line

Liquid Line

Min. 18 Gauge

Cable

Power/Communication

e Sleeve

Insulation Material

Insulation

Material

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62 | REFRIGERANT DESIGN

Single Zone Mega Wall Mounted Engineering Manual

Refrigerant Piping System Layout

INSTALLATION & LAYOUT BEST PRACTICES

Table 18: Torque Wrench Tightening

Figure 38: LSU90-120HEV1, LSU90-120HXV

Outdoor Unit Connection Cover Removal.

Figure 39: LSU180HEV1 Outdoor Unit Con-

nection Cover Removal.

Conduit cover

Piping connection

Tubing cover

Terminal Block

1(L1) 2(L2)1(L1) 2(L2)

Power

connecting

cable

Power

cord

Cord clamp

90-120HEV1

1(L) 2(N)L N

90-120HXV

Single Zone Mega Outdoor Unit Connections

1. Remove the tubing cover from the unit by loosening the fastening screws.

2. Align the center of the refrigerant pipe and corresponding connection as shown, and tighten the flare nut initially by hand.

3. Finish tightening the flare nut with a torque wrench until the wrench clicks. Follow the guidelines as outlined in Table 18 for the amount of

torque to use.

When tightening the are nut with

torque wrench, ensure the direc-

tion for tightening follows the ar-

row on the wrench.

Tubing cover

Figure 40: LSU240HEV1 Outdoor Unit

Connection Cover Removal.

Tubing

Cover

Terminal

Block Cover

Terminal Block

Figure 41: Pipe Attachment.

Outdoor unit

Gas side piping

(Bigger diameter)

Liquid side piping

(Smaller diameter )

Torque wrench

Figure 42: LSU90-120HEV1, LSU90-120HXV

Outdoor Unit Piping Connection.

Figure 43: LSU180HEV1 Outdoor Unit

Piping Connection.

Torque wrench

Liquid side piping

(Smaller diameter)

Gas side piping

(Bigger diameter)

Outdoor unit

Liquid side piping

(Smaller diameter)

To rque wrench

Gas side piping

(Bigger diameter)

Outdoor unit

Figure 44: LSU240HEV1 Outdoor Unit Pip-

ing Connection.

Outside Diameter (Inches) Torque (Lbs.-ft)

1/4 13-18

3/8 24.6-30.4

1/2 39.8-47.7

5/8 45.6-59.3

3/4 71.6-87.5

Due to our policy of continuous product innovation, some specications may change without notication.

REFRIGERANT DESIGN | 63

Electrical Connections & Mechanical Specifications

INSTALLATION & LAYOUT BEST PRACTICES

Installation of Refrigerant Piping / Brazing Practices

Pressure-reducing

Valve

Taping

Nitrogen

Pipe to

be brazed

Refrigerant

Piping

Figure 45: Refrigerant Pipe Brazing.

Refrigerant Piping System Layout

Refrigerant Piping System Insulation

All refrigerant piping, field-provided isolation ball valves, service valves, and elbows shall be completely insulated using closed cell pipe

insulation. The liquid and vapor lines must be insulated separately.

To prevent heat loss/heat gain through the refrigerant piping, all refrigerant piping including liquid lines, and vapor lines shall be insulated

separately. Insulation shall be a minimum 1/2″ thick, and thickness needs to be increased based on ambient conditions and local codes.

All insulation joints are to be glued with no air gaps. Insulation material must fit snugly against the refrigeration pipe with no air space

between it and the pipe. Insulation passing through pipe hangers, inside conduit, and/or sleeves must not be compressed. Protect insulation

inside hangers and supports with a second layer. All pipe insulation exposed to the sun and outdoor elements shall be properly protected

with PVC, aluminum vapor barrier, or alternatively placed in a weather-resistant enclosure such as a pipe rack with a top cover; and meet

local codes.

The design engineer performs calculations to determine if the factory-supplied insulation jackets are sufficient to meet local codes and avoid

sweating. Add additional insulation if necessary. Mark all pipes at the point where the insulation jacket ends. Remove the jacket. Install

field provided insulation on the run-out and main trunk pipes first. Peel the adhesive glue protector slip from the insulation jacket and install

the clam-shell jacket over the fitting.

All joints are brazed in the field. Single Zone Mega refrigeration system com-

ponents contain very small capillary tubes, small orifices, electronic expansion

valves, oil separators, and heat exchangers that can easily become blocked.

Proper system operation depends on the installer using best practices and utmost

care while assembling the piping system (see Figure 45).

• While brazing, use a dry nitrogen purge operating at a minimum pressure of three

(3) psig and maintain a steady flow.

• Blow clean all pipe sections with dry nitrogen prior to assembly.

• Use a tubing cutter, do not use a saw to cut pipe. De-burr and clean all cuts

before assembly.

• Store pipe stock in a dry place. Keep pipe capped and clean.

• Use adapters to assemble different sizes of pipe.

• Do not use flux, soft solder, or anti-oxidant agents.

• Use a 15% silver phosphorous copper brazing alloy to avoid overheating and produce good flow.

• Protect isolation valves, electronic expansion valves, and other heat-sensitive control components from excessive heat with a wet rag or a

heat barrier spray product

Keep the piping system free of contaminants and debris such as copper burrs, slag, or carbon dust during installation.

Charging

Each outdoor unit is factory charged (nameplate charge) for the

evaporator as well as a standard 24.6 ft line. Any time a line set is

used longer then the standard 24.6 ft line set length, the refrigerant

charge has to be adjusted.

You must adjust the charge based on how many feet of piping are

added based on 0.22 or 0.33 oz of R410A per foot. The factory

charge accommodates pipe lengths up to the standard length without

requiring refrigerant removal.

Example: A 30 ft line set is used --

5.4 additional feet x 0.33 oz per ft = Add 1.78 oz

of R410A

If you are uncertain of the unit charge, reclaim, evacuate and weigh in

the correct charge using the unit nameplate (capacity) charge adjusting

for line sets longer than 24.6 ft. This will prevent any interruptions to the

functioning of the unit and possible damage.

Capacity

(Btu/h)/Model

Pipe Size

Standard

Length (ft)

Max.

Elevation (ft)

Max.

Length (ft)

Min.

Length (ft)

Additional

Refrigerant (oz/ft)

Vapor Liquid

9k, 12k/HEV1 3/8 1/4 24.6 22.9 49.2 9.8 0.22

9k, 12k/HXV 3/8 1/4 24.6 22.9 49.2 6.6 0.22

18k/HEV1 1/2 1/4 24.6 32.8 65.6 9.8 0.33

24k/HEV1 5/8 1/4 24.6 32.8 65.6 9.8 0.33

Table 19: Charging Capacity.

Due to our policy of continuous product innovation, some specications may change without notication.

64 | REFRIGERANT DESIGN

Single Zone Mega Wall Mounted Engineering Manual

Figure 46: LSU90-120HEV1, LSU90-120HXV

Outdoor Unit Electrical Connection.

ELECTRICAL CONNECTIONS

Figure 47: LSU180HEV1 Outdoor Unit

Electrical Connection.

Figure 48: LSU240HEV1 Outdoor Unit

Electrical Connection.

Terminal Block

Connecting

Cable

Power

Supply

Cord

Conduit Panel

Tubing Cover

Over 0.2”

Terminal Block

Over 0.2”

Terminal Cover

Conduit Panel

Connecting

Cable

Power Supply

Cord

1(L1) 2(L2) 1(L1) 2(L2)

Outdoor Electrical Connection

1. Remove the control cover from the unit by loosening the fastening screw (Figures 46 to 48).

2. Take off the caps on the conduit panel.

3. Connect both the power supply and low voltage lines to the corresponding terminals on the terminal block (terminals block may be differ-

ent depending on model).

4. Be sure to ground the unit by following local codes.

5. Allow for enough length (add several inches) for each wiring.

6. Secure the cable with a cord clamp.

7. Secure conduit tubes with lock nuts.

8. Reattach the control cover to the original position with the fastening screw.

Conduit cover

Piping connection

Tubing cover

Terminal Block

1(L1) 2(L2)1(L1) 2(L2)

Power

connecting

cable

Power

cord

Cord clamp

90-120HEV1

1(L) 2(N)L N

90-120HXV

Figure 49: Circuit Breaker.

• Separately wire the high and low voltage lines. There is a risk of electric shock,

physical injury, or death.

• Use heat-proof electrical wire capable of withstanding temperatures up to

167°F to avoid wiring malfunction and electrical shock, which may cause

physical injury or death.

• Ensure you connect the wire firmly. Loose wiring may cause unit malfunction,

the wires to burnout or the terminal to overheat and catch fire. There is a risk

of electric shock, physical injury or death.

• Use outdoor and waterproof connection cable rated up to 300V for the connec-

tion between the indoor and outdoor unit to avoid electrical shock, which may

cause physical injury or death.

Air

Conditioner

Main Power Source

Circuit Breaker

Use a circuit breaker

or time delay fuse

• Separately wire the high and low voltage lines to avoid damage to unit.

• Use heat-proof electrical wire capable of withstanding temperatures up to 167°F to avoid damage to unit.

• Always use a circuit breaker or time delay fuse when connecting electrical wiring to the unit.

• Ensure you connect the wire firmly. Loose wiring may cause unit malfunction, the wires to burnout or the terminal to overheat and catch

fire. There is a risk of equipment malfunction or property damage.

• Use outdoor and waterproof connection cable rated up to 300V for the connection between the indoor and outdoor unit to avoid damage

to the unit.

• Comply with local codes while running wire from the indoor unit to the outdoor unit.

• Do not allow wire to touch refrigerant tubing, the compressor or any moving parts since it can lead to mechanical failure.

Due to our policy of continuous product innovation, some specications may change without notication.

REFRIGERANT DESIGN | 65

Electrical Connections & Mechanical Specifications

ELECTRICAL CONNECTIONS

Figure 50: Terminal Block Wiring Diagram LS090HEV1

LS090HEV1

208/230 VA C

Figure 51: Terminal Block Wiring Diagram LS120HEV1

LS120HEV1

208/230 VA C

LS180HEV1, LS240HEV1

LSU090HXV, LSU120HXV

2(L2)

1(L1)

Figure 52: Terminal Block Wiring Diagram LS180HEV1, LS240HEV1 Figure 53: Terminal Block Wiring Diagram LS090HXV, LS120HXV

Due to our policy of continuous product innovation, some specications may change without notication.

66 | REFRIGERANT DESIGN

Single Zone Mega Wall Mounted Engineering Manual

Single Zone Mega and Mega 115V

MECHANICAL SPECIFICATIONS

General

LG Single Zone Mega Wall Mounted system

comprises of a single outdoor unit connected

to a single indoor unit with a single refriger-

ant circuit.

An LG Single Zone Mega Inverter Wall

Mounted system is a Duct-Free Split system

that can operate in either cooling or heat-

ing mode. The system shall be capable of

changing mode within a maximum time of

three (3) minutes to ensure indoor tempera-

ture can be properly maintained.

LG Single Zone Mega systems are manu-

factured in a facility registered to ISO 9001

and ISO 14001, which is a set of standards

applying to environmental protection

set by the International Organization for

Standardization (ISO). The units are listed

by Intertek Electrical Testing Laboratories

(ETL) and bear the ETL label. Wiring in

these units are in accordance with the

National Electrical Code (NEC).

Temperature Ranges

Mega (HEV1)

Operating ranges for outdoor unit of 14°F to

118°F (DB) for cooling; 14°F to 65°F (WB)

for heating.

Operating ranges for indoor unit of 53°F to

75°F (WB) for cooling; 60°F to 86°F (DB) for

heating.

Mega 115V (HXV)

Operating ranges for outdoor unit of 14°F to

118°F (DB) for cooling; 14°F to 65°F (WB)

for heating.

Operating ranges for indoor unit of 53°F to

75°F (WB) for cooling; 60°F to 86°F (DB) for

heating.

Casing / Frame

Outdoor unit is constructed with pre-coated

metal (PCM).

Indoor unit is constructed of heavy duty

Acrylonitrile Butadiene Styrene (ABS) and

High Impact Polystyrene (HIPS) plastic.

Refrigerant System

The refrigeration system consists of a single

refrigeration circuit and uses R410A refriger-

ant. The outdoor unit is provided with factory

installed components, including a refriger-

ant strainer, check valves, oil separator,

accumulator, four-way reversing valve, EEV,

high and low side charging ports, service

valves, and interconnecting piping.

Refrigeration Oil Control

Heat Pump outdoor units have a centrifugal

oil separator and controls to ensure suf-

ficient oil supply is maintained, and that oil

does not travel with the refrigerant.

Compressors

The outdoor unit is equipped with one

hermetic digitally controlled inverter driven

rotary (9k/12k Btu/h systems) or twin-rotary

(18k/24k Btu/h systems) compressor to

modulate capacity (modulation in 1 Hz

increments).

Frequency ranges for the (HEV1) outdoor

units are:

9k Btu/h = 20 to 80 Hz

12k Btu/h = 20 to 90 Hz

18/24k Btu/h = 15 to 100 Hz

Frequency ranges for the (HXV) outdoor

units are:

9k Btu/h = 15 to 100 Hz

12k Btu/h = 15 to 100 Hz

Over-current protection and vibration isola-

tion are integrated with the compressor.

Outdoor Unit Coil

Heat Pump outdoor unit coils are of a

nonferrous construction with louvered fins

on copper tubing, and are protected with an

integral coil guard. Coil fins have a factory

applied corrosion resistant GoldFin™ mate-

rial with hydrophilic coating.

Fans and Motors

The outdoor unit includes one direct drive,

variable speed propeller type fan.

The Brushless Digitally Controlled (BLDC)

fan motor has inherent protection, perma-

nently lubricated bearings, and variable

speed with a maximum speed up to 950 rpm.

Raised guards are provided to limit contact

with moving parts.

The outdoor unit has horizontal discharge

airflow.

Electrical

The HEV model unit is available in a

208-230V 60 Hz, 1-phase power supply.

The HXV model unit is available in a 115V

60 Hz, 1-phase power supply. The units are

capable of operating within voltage limits of

±10% rated voltage, and include overcurrent

protection.

Controls

The unit is factory wired with necessary

electrical control components, integral

microprocessors, printed circuit boards,

thermistors, sensors, terminal blocks, and

lugs for power wiring.

Microprocessor-based algorithms provide

component protection, soft-start capability,

refrigeration system pressure, temperature,

defrost, and ambient control.

Due to our policy of continuous product innovation, some specications may change without notication.

REFRIGERANT DESIGN | 67

Electrical Connections & Mechanical Specifications

Table 20: Table of Acronyms

ACRONYMS

ABS

Acrylonitrile Butadiene Styrene

IDU

Indoor Unit

Air Conditioner

ISO

International Organization for Standardization

ACP

Advanced Control Platform

Kilo Watts

ASHRAE

American Society of Heating, Refrigeration, and

Air Conditioning

LED

Light Emitting Diode

AWG

American Wire Gauge

MBh

Thousands BTUs per hour

BLDC

Brushless Digitally Controlled/Direct

MCA

Maximum Circuit Ampacity

Btu/h

British Thermal Units per hour

MOP

Maximum Overcurrent Protection

BUS

Binary Unit System

MSC

Maximum Starting Current

CFM

Cubic Feet per Minute

Noise Criterion (regarding Sound Pressure Levels)

COP

Coefficient Of Performance

NEC

National Electrical Code

Combination Ratio

ODU

Outdoor Unit

Dry Bulb

PCB

Printed Circuit Board

dB(A)

Decibels with “A” frequency weighting

PCM

Pre-Coated Metal

DDOAS

Decoupled Dedicated Outdoor Air

PDI

Power Distribution Indicator

Digital Input

Power Input

Digital Output

PTAC

Packaged Terminal Air Conditioner

DPST

Double-Pole Single-Throw (switch)

PVC

Polyvinyl Chloride

EEV

Electronic Expansion Valve

SW or

S/W

Switch

ELF

Equivalent Length in Feet

USB

Universal Serial BUS

ESP

External Static Pressure

VAC

Voltage Alternating Current

ETL

Electronic Testing Laboratories

VAV

Variable Air Volume

HIPS

High Impact Polystyrene

VRF

Variable Refrigerant Flow

H/M/L

High/Medium/Low

Wet Bulb

HVAC

Heating, Ventilation and Air Conditioning

LG Electronics

Commercial Air Conditioning Division

11405 Old Roswell Road

Alpharetta, Georgia 30009

www.lghvac.com

EM-SZ_Mega_Mega115V-4-15

Supersedes: EM-SZ_Mega_Mega115V-10-14

DFS-EM-AL-001-US_014D09

20001747 ISO 9001: 2008

LG ELECTRONICS INC.

LG Electronics Commercial Products Support

1-888-865-3026 USA

Follow the prompts for commercial A/C products.

LG Electronics LSN180HEV1 LG Air Conditioner Cooling Area,

Product's Documents

User Manual

Specifications

LG Electronics LSN180HEV1 Questions and Answers