Goodman GVXC200241 2 Ton 20 SEER Variable Speed Condenser User Manual

CONDENSING UNIT

*VXC20 Air Conditioning Installation & service reference

IOG-4014D

05/2021

Only personnel that have been trained to install, adjust,

service or repair(hereinafter, “service”) the equipment

specified in this manual should service the equipment.

The manufacturer will not be responsible for any injury

or property damage arising from improper service or

service procedures. If you service this unit, you assume

responsibility for any injury or property damage which may

result. In addition, in jurisdictions that require one or more

licenses to service the equipment specified in this manual,

only licensed personnel should service the equipment.

Improper installation, adjustment, servicing or repair of

the equipment specified in this manual, or attempting to

install, adjust, service or repair the equipment specified in

this manual without proper training may result in product

damage, property damage, personal injury or death.

WARNING

19001 Kermier Rd. Waller, TX 77484

www.goodmanmfg.com•www.amana-hac.com

is a registered trademark of Maytag Corporaon or its related companies and is used under license. All rights

reserved.

IMPORTANT SAFETY INSTRUCTIONS

The following symbols and labels are used throughout

this manual to indicate immediate or potential safety

hazards. It is the owner’s and installer’s responsibility to

read and comply with all safety information and instructions

accompanying these symbols. Failure to heed safety

information increases the risk of personal injury, property

damage, and/or product damage.

WARNING

High Voltage!

Disconnect all power before servicing or

installing this unit. Multiple power sources may

be present. Failure to do so may cause property

damage, personal injury or death.

CAUTION

Do not wash the condensing unit with excessive water. An

electric shock or fire could result.

“Proper sizing and installaon of equipment is crical to achieve opmal performance. Split system

air condioners and heat pumps must be matched with appropriate coil components to meet ENERGY

STAR criteria. Ask your contractor for details or visit www.energystar.gov.

IMPORTANT – This product has been designed and manufactured to meet ENERGY STAR criteria for

energy eciency when matched with appropriate coil components. However,

proper refrigerant charge and proper air ow are crical to achieve rated capacity and

eciency. Installaon of this product should follow the manufacturer’s refrigerant charging and air

ow instrucons. Failure to conrm proper charge and airow may reduce

energy eciency and shorten equipment life.”

INDEX

Important Safety Instructions ....................................1

Shipping Inspection ........................................................3

Codes & Regulations ......................................................3

Features ...........................................................................3

Installation Clearances ...............................................3

Rooftop Installations ...................................................4

Safe Refrigerant Handling ..........................................4

Refrigerant Lines ..........................................................5

Leak Testing (Nitrogen Or Nitrogen-Traced) ..........7

Electrical Connections ................................................8

System Start-Up Procedure .......................................10

Coolcloud™ Hvac Phone Application ......................11

Comfortbridge™ System ............................................13

Air Conditioner Advanced Feature Menu ................16

Wiring Diagrams ...........................................................18

Testing Capacitor Resistance ....................................21

Troubleshooting ..........................................................25

Setting Mode Display ...................................................30

7-Segment Display ........................................................36

Start-up Checklist .......................................................39

CTK04 Addendum ...........................................................41

UNIT

HAS

ITS

OWN

UMP

DOWN

MODE

. U

THE

UMP

DOWN

MODE

WHILE

VACUUMING

THE

UNIT

. V

ACUUMING

TOO

LOW

CAN

CAUSE

INTERNAL

ELECTRICAL

ARCING

RESULTING

DAMAGED

FAILED

COMPRESSOR

CAUTION

SHIPPING INSPECTION

Always keep the unit upright; laying the unit on its side

or top may cause equipment damage. Shipping damage,

and subsequent investigation is the responsibility of

the carrier. Verify the model number, specications,

electrical characteristics, and accessories are correct

prior to installation. The distributor or manufacturer will not

accept claims from dealers for transportation damage or

installation of incorrectly shipped units.

CODES & REGULATIONS

This product is designed and manufactured to comply

with national codes. Installation in accordance with such

codes and/or prevailing local codes/regulations is the

responsibility of the installer. The manufacturer assumes

no responsibility for equipment installed in violation of any

codes or regulations. Rated performance is achieved after

20 hours of operation. Rated performance is delivered at

the specied airow. See outdoor unit specication sheet

for split system models or product specication sheet for

packaged and light commercial models. Specication

sheets can be found at www.goodmanmfg.com for

Goodman

brand products or www.amana-hac.com for

Amana

brand products. Within the website, please select

the residential or commercial products menu and then

select the submenu for the type of product to be installed,

such as air conditioners or heat pumps, to access a list

of product pages that each contain links to that model’s

specication sheet.

The United States Environmental Protection Agency (EPA)

has issued various regulations regarding the introduction

and disposal of refrigerants. Failure to follow these

regulations may harm the environment and can lead to

the imposition of substantial nes. Should you have any

questions please contact the local o󰀩ce of the EPA.

If replacing a condensing unit, heat pump or air handler,

the system must be manufacturer approved and Air

Conditioning, Heating and Refrigeration Institute (AHRI)

matched.

NOTE: The installation of an inverter condensing

unit with unmatched system units will not allow

for proper operation.

NOTICE

Inverter air conditioning models can only be matched with an

AVPEC** air handler or TXV-V** expansion valve kit. Damage

resulting from operation with any other combination is not

covered by our warranties.

NOTE: For AVXC200241AF / 0361AE / 0481AE / 0601AE

or older, please refer to IOA-4011F. This manual

is for AVXC200241AG /0361AF / 0481AF / 0601AF or

later and GVXC200241AA / 0361AA / 0481AA / 0601AA

or later.

Outdoor inverter units are approved for operation above

0°F in cooling mode and -20°F (RH10%) in heating mode

with no additional kit necessary.

Damage resulting from operation of the units in a structure

that is not complete (either as port of new construction or

renovation) is not covered by our warranties.

FEATURES

This air conditioner is part of a ComfortBridge™ control

system that uses inverter technology to more e󰀩ciently

control heat gain/loss with better e󰀩ciency and achieve

targeted comfort conditions.

The system utilizes digital communication between the

indoor and outdoor equipment and can be controlled by

any single-stage thermostat.

The ComfortBridge control system reduces the number

of required thermostat wires, provides additional setup

features and enhanced diagnostics through Bluetooth

connectivity with the CoolCloud™ app.

Due to components using inverter technology, the air

conditioner will not function properly if used with a non-

approved control system.

NOTICE

Approved systems are combination of comfortbridge

compatible indoor unit and single-stage thermostat (with

dehumidification function). If do not use comfortbridge

compatible indoor unit, use CTK04AE or newer thermostat.

INSTALLATION CLEARANCES

Special consideration must be given to location of the

condensing unit(s) in regard to structures, obstructions,

other units, and any/all other factors that may interfere with

air circulation. Where possible, the top of the unit should

be completely unobstructed; however, if vertical conditions

require placement beneath an obstruction there should

be a minimum of 60 inches between the top of the unit

and the obstruction(s). The specied dimensions meet

requirements for air circulation only. Consult all appropriate

regulatory codes prior to determining nal clearances.

Another important consideration in selecting a location for

the unit(s) is the angle to obstructions. Either side adjacent

the valves can be placed toward the structure provided the

side away from the structure maintains minimum service

clearance. Corner installations are strongly discouraged.

OK!

AA AAA

OK!

NOT

RECOMMENDED

B B B

Model Type A B C AA

Residential 10" 10" 18" 20"

Light Commercial 12" 12" 18" 24"

Minimum Airflow Clearance

This unit can be located at ground oor level or on at

roofs. At ground oor level, the unit must be on a solid,

level foundation that will not shift or settle. To reduce the

possibility of sound transmission, the foundation slab

should not be in contact with or be an integral part of the

building foundation. Care should be taken to ensure the

unit is installed away from noise sensitive locations such as

bedrooms, windows and outdoor living areas. Ensure the

foundation is su󰀩cient to support the unit. A concrete slab

raised above ground level provides a suitable base.

ROOFTOP INSTALLATIONS

If it is necessary to install this unit on a roof structure,

ensure the roof structure can support the weight and that

proper consideration is given to the weather-tight integrity

of the roof. Since the unit can vibrate during operation,

sound vibration transmission should be considered when

installing the unit. Vibration absorbing pads or springs can

be installed between the condensing unit legs or frame and

the roof mounting assembly to reduce noise vibration.

Electrical Noise

The unit should be well grounded so that potential

e󰀨ects of electrical noise from the inverter to surrounding

equipment can be minimized.

When selecting an installation location, keep su󰀩cient

distance from the air conditioner unit and wiring to radios,

personal computers, stereos, etc., as shown in the

following gure.

Circuit

Breaker

(In.)

Radio, TV

”

To Indoor Unit and Thermostat

”

Placement to Minimize Electronic Noise

SAFE REFRIGERANT HANDLING

While these items will not cover every conceivable

situation, they should serve as a useful guide.

AVOID

POSSIBLE

INJURY

EXPLOSION

DEATH

PRACTICE

SAFE

HANDLING

REFRIGERANTS

WARNING

AVOID

POSSIBLE

EXPLOSION

USE

ONLY

RETURNABLE

(

NOT

DISPOSABLE

)

SERVICE

CYLINDERS

WHEN

REMOVING

REFRIGERANT

FROM

SYSTEM

• E

NSURE

THE

CYLINDER

FREE

DAMAGE

WHICH

COULD

LEAD

LEAK

EXPLOSION

• E

NSURE

THE

HYDROSTATIC

TEST

DATE

DOES

NOT

EXCEED

YEARS

• E

NSURE

THE

PRESSURE

RATING

MEETS

EXCEEDS

400

PSIG

HEN

DOUBT

NOT

USE

CYLINDER

WARNING

EFRIGERANTS

ARE

HEAVIER

THAN

AIR

. T

HEY

CAN

“

PUSH

OUT

”

THE

OXYGEN

YOUR

LUNGS

ANY

ENCLOSED

SPACE

. T

AVOID

POSSIBLE

DIFFICULTY

BREATHING

DEATH

• N

EVER

PURGE

REFRIGERANT

INTO

ENCLOSED

ROOM

SPACE

. B

LAW

ALL

REFRIGERANTS

MUST

RECLAIMED

• I

INDOOR

LEAK

SUSPECTED

THOROUGHLY

VENTILATE

THE

AREA

BEFORE

BEGINNING

WORK

• L

IQUID

REFRIGERANT

CAN

VERY

COLD

. T

AVOID

POSSIBLE

FROSTBITE

BLINDNESS

AVOID

CONTACT

AND

WEAR

GLOVES

AND

GOGGLES

. I

LIQUID

REFRIGERANT

DOES

CONTACT

YOUR

SKIN

EYES

SEEK

MEDICAL

HELP

IMMEDIATELY

• A

LWAYS

EPA

REGULATIONS

. N

EVER

BURN

REFRIGERANT

OISONOUS

GAS

WILL

PRODUCED

WARNING

AVOID

POSSIBLE

EXPLOSION

•N

EVER

APPLY

FLAME

STEAM

REFRIGERANT

CYLINDER

. I

YOU

MUST

HEAT

CYLINDER

FOR

FASTER

CHARGING

PARTIALLY

IMMERSE

WARM

WATER

•N

EVER

FILL

CYLINDER

THAN

80%

FULL

LIQUID

REFRIGERANT

•N

EVER

ADD

ANYTHING

OTHER

THAN

R-410A

RETURNABLE

R-410A

CYLINDER

. T

SERVICE

EQUIPMENT

USED

MUST

LISTED

CERTIFIED

FOR

THE

TYPE

REFRIGERANT

USE

•S

TORE

CYLINDERS

COOL

DRY

PLACE

. N

EVER

USE

CYLINDER

PLATFORM

ROLLER

WARNING

REFRIGERANT LINES

COMPRESSOR

PVE

OIL

FOR

R-410A

UNITS

EXTREMELY

SUSCEPTIBLE

MOISTURE

ABSORPTION

AND

COULD

CAUSE

COMPRESSOR

FAILURE

. D

NOT

LEAVE

SYSTEM

OPEN

ATMOSPHERE

ANY

LONGER

THAN

NECESSARY

FOR

INSTALLATION

CAUTION

Use only refrigerant grade (dehydrated and sealed) copper

tubing to connect the condensing unit with the indoor unit.

After cutting the tubing, install plugs to keep refrigerant

tubing clean and dry prior to and during installation. Tubing

should always be cut square keeping ends round and free

from burrs. Clean the tubing to prevent contamination.

The liquid line must be insulated if more than 50 ft. of liquid

line will pass through an area that may reach temperatures

of 30 °F or higher than ambient in cooling mode and/or if

the temperature inside the conditioned space may reach a

temperature lower than ambient in heating mode. Never

attach a liquid line to any uninsulated potion of the suction

line.

Do NOT let refrigerant lines come in direct contact with

plumbing, ductwork, oor joists, wall studs, oors, and

walls. When running refrigerant lines through a foundation

or wall, openings should allow for sound and vibration

absorbing material to be placed or installed between tubing

and foundation. Any gap between foundation or wall and

refrigerant lines should be lled with a pliable silicon-

based caulk, RTV or a vibration damping material. Avoid

suspending refrigerant tubing from joists and studs with

rigid wire or straps that would come in contact with the

tubing. Use an insulated or suspension type hanger. Keep

both lines separate and always insulate the suction line.

Insulation is necessary to prevent condensation from

forming and dropping from the suction line. Armex or

satisfactory equivalent with 3/8” min. wall thickness is

recommended. In severe conditions (hot, high humidity

areas) 1/2” insulation may be required. Insulation must

be installed in a manner which protects tubing and

connections from damage and contamination.

Where possible, drain as much residual compressor

oil from existing systems, lines, and traps; pay close

attention to low areas where oil may collect. NOTE:

If changing refrigerant, the indoor coil and metering

device must be replaced. Only AVPEC** air handlers or

TXV-V** expansion valves are compatible and have been

manufacturer approved for use with these models. See unit

specications or AHRI for an approved system match.

Line Set Length

Condensing Unit

(Tons) Suct Liq

2 3/4 3/8

3 7/8 3/8

4 1 1/8 3/8

5 1 1/8 3/8

0-250' Equivalent

INTERCONNECTING TUBING

Line Type & Line

Diameter (In. OD)

Burying Refrigerant Lines

If burying refrigerant lines can not be avoided, use the

following checklist:

1. Insulate liquid and suction lines separately.

2. Enclose all underground portions of the refrigerant

lines in waterproof material (conduit or pipe) sealing

the ends where tubing enters/exits the enclosure.

3. If the lines must pass under or through a concrete

slab, ensure lines are adequately protected and

sealed.

Air Condioner BELOW Indoor Coil

Air Condioning Unit

Refrigerant Line Connections

IMPORTANT

To avoid overheating the service valve, TXV, sensor or filter

drier while brazing, wrap the component with a wet rag,

or use a thermal heat trap compound. Be sure to follow

the manufacturer’s instruction when using the heat trap

compound. NOTE: Remove Schrader valves from service

valves before brazing tubes to the valves. Use a brazing

alloy of 2% minimum silver content. Do not use flux.

Torch heat required to braze tubes of various sizes is

proportional to the size of the tube. Tubes of smaller size

require less heat to bring the tube to brazing temperature

before adding brazing alloy. Applying too much heat to

any tube can melt the tube. Service personnel must use the

appropriate heat level for the size of the tube being brazed.

NOTE: The use of a heat shield when brazing is

recommended to avoid burning the serial plate or

the finish on the unit.

1. The ends of the refrigerant lines must be cut square,

deburred, cleaned, and be round and free from nicks

or dents. Any other condition increases the chance of

a refrigerant leak.

2. Purge with nitrogen at 2 to 3 psig during brazing

to prevent the formation of copper-oxide inside

the refrigerant lines. The FVC oils used in R-410A

applications will clean any copper-oxide present

from the inside of the refrigerant lines and spread it

throughout the system. This may cause a blockage or

failure of the metering device.

3. After brazing, quench the joints with water or a wet

cloth to prevent overheating of the service valve.

4. A bi-ow lter drier is shipped with the unit as a

separate component and must be brazed on by the

installer on-site. Ensure the bi-ow lter drier paint

nish is intact after brazing. If the paint of the steel

lter drier has been burned or chipped, repaint or treat

with a rust preventative.

The recommended location of the lter drier is before the

expansion device at the indoor unit.

NOTE: Be careful not to kink or dent refrigerant

lines. Kinked or dented lines will cause poor

performance or compressor damage.

Do NOT make nal refrigerant line connection until plugs

are removed from refrigerant tubing.

Standing Pressure Test (Recommended before

System Evacuation)

WARNING

To avoid the risk of fire or explosion, never use oxygen,

high pressure air or flammable gases for leak testing of a

refrigeration system.

WARNING

To avoid possible explosion, the line from the nitrogen

cylinder must include a pressure regulator and a pressure

relief valve. The pressure relief valve must be set to open at

no more than 450 psig.

Using dry nitrogen, pressurize the system to 450 PSIG.

Allow the pressure to stabilize and hold for 15 minutes

(minimum). If the pressure does not drop below 450 PSIG

the system is considered leak free. Proceed to system

evacuation using the Deep Vacuum Method. If after 15

minutes the pressure drops below 450 PSIG follow the

procedure outlined below to identify system leaks. Repeat

the Standing Pressure Test.

Leak Testing (Nitrogen or Nitrogen-Traced)

WARNING

To avoid the risk of fire or explosion, never use oxygen,

high pressure air or flammable gases for leak testing of a

refrigeration system.

WARNING

To avoid possible explosion, the line from the nitrogen

cylinder must include a pressure regulator and a pressure

relief valve. The pressure relief valve must be set to open at

no more than 450 psig.

Leak test the system using dry nitrogen and soapy

water to identify leaks. If you prefer to use an electronic

leak detector, charge the system to 10 PSIG with the

appropriate system refrigerant (see Serial Data Plate

for refrigerant identication). Do not use an alternative

refrigerant. Using dry nitrogen nish charging the system

to 450 PSIG. Apply the leak detector to all suspect areas.

When leaks are discovered, repair the leaks, and repeat

the pressure test. If leaks have been eliminated proceed to

system evacuation.

System Evacuation

Condensing unit liquid and suction valves are closed to

contain the charge within the unit. The unit is shipped with

the valve stems closed and caps installed. Do not open

valves until the system is evacuated.

WARNING

REFRIGERANT UNDER PRESSURE!

Failure to follow proper procedures may cause property

damage, personal injury or death.

NOTE: Scroll compressors should never be used

to evacuate or pump down a heat pump or air

conditioning system.

CAUTION

Prolonged operation at suction pressures less than 20 psig

for more than 5 seconds will result in overheating of the

scrolls and permanent damage to the scroll tips, drive

bearings and internal seal.

Deep Vacuum Method (Recommended)

The Deep Vacuum Method requires a vacuum pump

rated for 500 microns or less. This method is an e󰀨ective

and e󰀩cient way of assuring the system is free of non-

condensable air and moisture. As an alternative, the Triple

Evacuation Method is detailed in the Service Manual for

this product model.

It is recommended to remove the Schrader Cores from the

service valves using a core-removal tool to expedite the

evacuation procedure.

1. Connect the vacuum pump, micron gauge, and

vacuum rated hoses to both service valves.

Evacuation must use both service valves to eliminate

system mechanical seals.

2. Evacuate the system to less than 500 microns.

3. Isolate the pump from the system and hold vacuum

for 10 minutes (minimum). Typically, pressure will rise

slowly during this period. If the pressure rises to less

than 1000 microns and remains steady, the system is

considered leak-free; proceed to system charging and

startup.

4. If pressure rises above 1000 microns but holds steady

below 2000 microns, non-condensable air or moisture

may remain or a small leak is present. Return to step

2: If the same result is achieved check for leaks and

repair. Repeat the evacuation procedure.

5. If pressure rises above 2000 microns, a leak is

present. Check for leaks and repair. Repeat the

evacuation procedure.

5000

4500

4000

3500

3000

2500

2000

1500

1000

500

0 1 2 3 4 5 6 7 8 9

LEAK(S)

PRESENT

MINUTES

ACUUM

MICRONS

CONDENSIBLES OR SMALL

LEAK PRESENT

NO LEAKS

NO CONDENSIBLES

ELECTRICAL CONNECTIONS

HIGH VOLTAGE

ISCONNECT

ALL

POWER

BEFORE

SERVICING

ULTIPLE

POWER

SOURCES

MAY

PRESENT

. F

AILURE

MAY

CAUSE

PROPERTY

DAMAGE

PERSONAL

INJURY

DEATH

DUE

ELECTRIC

SHOCK

. W

IRING

MUST

CONFORM

WITH

NEC

CEC

AND

ALL

LOCAL

CODES

. U

NDERSIZED

WIRES

COULD

CAUSE

POOR

EQUIPMENT

PERFORMANCE

EQUIPMENT

DAMAGE

FIRE

WARNING

AVOID

THE

RISK

FIRE

EQUIPMENT

DAMAGE

USE

COPPER

CONDUCTORS

WARNING

GROUNDING REQUIRED!

LWAYS

INSPECT

AND

USE

PROPER

SERVICE

TOOLS

. L

ACK

INSPECTION

IMPROPER

TOOLS

MAY

CAUSE

EQUIPMENT

DAMAGE

PERSONAL

INJURY

. A

DISCONNECTED

GROUNDING

DEVICES

MUST

RECONNECTED

BEFORE

INSTALLING

SERVICING

. M

ULTIPLE

COMPONENTS

THIS

UNIT

MAY

CONDUCT

ELECTRICAL

CURRENT

;

THESE

ARE

GROUNDED

. I

SERVICING

THE

UNIT

ANY

DISCONNECTION

GROUNDING

WIRES

SCREWS

STRAPS

CLIPS

NUTS

WASHERS

USED

COMPLETE

THE

GROUND

MUST

RETURNED

THEIR

ORIGINAL

POSITION

AND

PROPERLY

FASTENED

CAUTION

NOTICE

• Never install a phase-advancing capacitor. As this

unit is equipped with an inverter, installing a phase-

advancing capacitor will not only deteriorate power

factor improvement effect, but also may cause capacitor

abnormal heating accident due to high-frequency waves.

• Do not change the setting of the protection devices.

If the pressure switch, thermal switch, or other

protection device is shorted and operated forcibly, or

parts other than those specified by Goodman are used,

fire or explosion could result.

• Do not connect the ground wire to gas pipes, sewage

pipes, lightning rods, or telephone ground wires.

The air conditioning unit rating plate lists pertinent

electrical data necessary for proper electrical service and

overcurrent protection. Wires should be sized to limit

voltage drop to 2% (max.) from the main breaker or fuse

panel to the condensing unit. Consult the NEC, CEC, and

all local codes to determine the correct wire gauge and

length.

Local codes often require a disconnect switch located near

the unit; do not install the switch on the unit.

Overcurrent Protection

The inverter control system software provides su󰀩cient

time delay to protect from overcurrent conditions and

permit the compressor and fan motors to adjust their

rotational speed.

High Voltage Connections

Route power supply and ground wires through the high

voltage port and terminate in accordance with the wiring

diagram provided inside the control panel cover.

• Make sure to apply the rated voltage of 208/230V for

the unit.

• Use conduit for power supply cables.

• A power circuit (see the production specication

sheet or the unit serial plate) must be provided for

connection of the unit. This circuit must be protected

with the required safety devices.

• When using residual current operated circuit breakers,

be sure to use a high-speed type (0.1 seconds or

less) 200 mA rated residual operating current.

• Use copper conductors only.

• Use insulated wire for the power cord.

• Select the power supply cable type and size

in accordance with relevant local and national

regulations.

• Outside the unit, make sure to keep the wirings 5 inch

away. Otherwise, the outdoor unit may be a󰀨ected by

electrical noise (external noise), and malfunction or

fail.

• Make sure the wirings will not be pinched by the front

panel, and close the panel rmly.

• Route the conduit along the unit and so on to prevent

wirings from being stepped on.

Low Voltage Connections

The unit is designed to work as part of a fully

communicating HVAC system, utilizing either:

• ComfortBridge compatible indoor unit with any 24V

single stage thermostat.

• CTK04AE or newer thermostat (If paired with

ComfortNet compatible indoor unit.)

Route control wires through the low voltage port and

terminate in accordance with the wiring diagram provided

inside the control panel cover.

Voltage Ports

Thermostat Wiring

ComfortBridge

™

control system low voltage wiring consists

of two wires between the indoor unit and outdoor unit. The

required wires are data lines 1 and 2.

The thermostat needs 4 wires between the indoor unit and

thermostat or 5 wires if the thermostat requires a Common

wire.

Regarding the wiring of the indoor unit to the thermostat,

also refer to ComfortBridge compatible indoor unit’s Install

manual (in case of communicating inverter system.).

If installing with a CTK04 thermostat, please see the

addendum for further instructions.

System Wiring

SYSTEM START-UP PROCEDURE

GENERAL NOTES:

Adequate refrigerant charge for the matching indoor coil

and 15 feet of line set is supplied with the condensing

unit. If liquid line set exceeds 15 feet in length, refrigerant

should be added at 0.6 ounces per foot of liquid line.

Start-up Procedure Detail

Liquid and suction valves on condensing unit are closed to

contain the charge within the unit. The unit is shipped with

the valve stems closed and caps installed. Do not open

valves until the indoor coil and line set is evacuated.

Step 1. Calculate Refrigerant Charge Based on

Line Set Length

The condenser unit is shipped with a predetermined factory

charge level as shown in unit serial plate. For longer line

sets greater than 15 feet, add 0.6 ounces of refrigerant per

foot. Refer to the following page for the equivalent length of

the elbow ttings.

NOTICE

TOTAL REFRIGERANT =

FACTORY CHARGE + (0.6 OZ./FT. * ADDITIONAL FEET

OF ACTUAL LINE SET).

Step 2. Connect Manifold Gauges to System

CAUTION

OPEN THE LIQUID VALVE FIRST! IF THE SUCTION SERVICE VALVE IS OPENED

FIRST, OIL FROM THE COMPRESSOR MAY BE DRAWN INTO THE INDOOR

COIL TXV RESTRICTING

REFRIGERANT FLOW AND AFFECTING OPERATION OF THE SYSTEM.

POSSIBLE REFRIGERANT LEAK!

AVOID

POSSIBLE

REFRIGERANT

LEAK, OPEN

THE

SERVICE

VALVES

UNTIL

THE

TOP

THE

STEM

IS 1/8” FROM

THE

RETAINER.

CAUTION

NSURE

VALVES

ARE

OPEN

AND

ADDITIONAL

CHARGE

ADDED

BEFORE

APPLYING

POWER

CAUTION

After the refrigerant charge has bled into the system, open

the liquid service valve.

When opening valves with retainers, open each valve

only until the top of the stem is 1/8” from the retainer. To

avoid loss of refrigerant, DO NOT apply pressure to the

retainer. When opening valves without a retainer, remove

service valve cap and insert a hex wrench into the valve

stem and back out the stem by turning the hex wrench

counterclockwise. Open the valve until it contacts the rolled

lip of the valve body.

The service valve cap is the secondary seal for the valves

and must be properly tightened to prevent leaks. Make

sure cap is clean and apply refrigerant oil to threads and

sealing surface on inside of cap. Tighten cap nger-tight

and then tighten additional 1/6 of a turn to properly seat the

sealing surfaces.

Do not introduce liquid refrigerant from the cylinder into the

crankcase of the compressor (suction side) as this may

damage the compressor.

Break vacuum by fully opening liquid and gas base valve.

NOTE. Units may utilize ball valves or front

seating valves. These are not back-seating valves.

It is not necessary to force the stem tightly

against the rolled lip.

NOTE: The following table lists the equivalent

length gained from adding bends to the suction

line. Properly size the suction line to minimize

capacity loss.

Step 3. System Start-up Test

NOTICE

On initial power start-up, the outdoor unit will display code

E11, signaling that initial SYSTEM test must be run. Follow

the instructions below to initiate and complete the testing.

A system verication test is now required to check the

equipment settings and functionality.

Inverter units are tested by any of the following methods:

• Setting the “SUt” menu (System verication test)

to ON through the indoor unit control board push

buttons.

• Setting the System verication test menu of mode

display screen-4 to ON through the outdoor unit

control board push buttons.

• Through the CoolCloud HVAC phone application

Once selected, it checks the equipment for approximately 5

- 15 minutes. System test may exceed 15 minutes if there

is an error. Refer to the Troubleshooting section.

NOTICE

Before starting the SYSTEM TEST, turn off the electric

heater or gas furnace.

COOLCLOUD™ HVAC PHONE

APPLICATION

The CoolCloud HVAC phone application was designed

to improve the contractor’s setup /diagnostic experience.

This application can only be used with ComfortBridge

compatible indoor units and can be downloaded through

the Google Play or Apple App Store.

Users can see specic model information, review active

diagnostic error codes, observe system status during

operation, make system menu adjustments, add site visit

notes and run system testing of all operational modes (heat

/ cool / fan) directly from the phone.

If installing with a CTK04 thermostat, please see the

addendum for further instructions.

Step 4. CHARGE MODE

CHARGE MODE allows for charging of the system.

System operates for a duration of approximately one hour

while the equipment runs at full capacity.

After one hour, the CHARGE MODE ends and the system

resumes normal operation.

Before starting the CHARGE MODE, turn o󰀨 the Cool or

Heat mode and electric heater or gas furnace.

a. Inverter units are charged by any of the following

methods:

• Setting the “CR9” menu (Charge Mode) to ON

through the indoor unit control board push buttons.

• Setting the Charge mode menu of mode display

screen-4 to ON through the outdoor unit control board

push buttons.

• Through the CoolCloud HVAC phone application.

b. The System will remain in charge mode (high speed)

for 60 minutes before timing out.

c. When charge mode is complete, the installer must

manually shut o󰀨.

If installing with a CTK04 thermostat, please see the

addendum for further instructions.

Step 5. Adjust Refrigerant level

Using service equipment, add or recover refrigerant

according to the calculation in Step 1. Allow system to

stabilize for 10 minutes after adjusting charge level.

Step 6. Measure Subcooling to Verify Proper Charge

NOTE: Charging equipment must use dedicated PVE

oil gauges and hoses.

1. Purge gauge lines.

2. Connect service gauge manifold to base valve service

ports.

3. Convert the liquid pressure to temperature using a

temperature/pressure chart.

4. Temporarily install a thermometer on the liquid line at

the liquid line service valve.

a. Ensure the thermometer makes adequate contact

and is insulated for best possible readings.

5. Subtract the liquid line temperature from the

converted liquid pressure to determine subcooling.

6. Before starting the subcooling adjustment, make sure

the outdoor ambient temperature is in a below range

and the unit is operating at 100% capacity.

7. For EEV Indoor Unit: If the system subcooling is not

within the ranges shown in the following table, adjust

subcooling according to the following procedure:

a. If subcooling is low, add charge to adjust the

subcooling as specied in the following table.

b. If subcooling is high, remove charge to lower the

subcooling to 8° ± 1°F.

SUBCOOLING = (SAT. LIQUID TEMP.) - (LIQUID LINE TEMP.)

SUPERHEAT = (SUCT. LINE TEMP.) - (SAT. SUCT. TEMP.)

Charging Table

OD AMBIENT TEMP

(degF)

Subcooling Weigh in

2T to 4T: 8°F ± 1°F

Weigh in

(degF) Charge

5T: 10°F ± 1°F

Charge

< 65° F 65° F to 105° F > 105° F

NOTE: Subcooling information is only valid while the unit is

operating at 100% capacity or 100% of compressor speed in

CHARGE MODE. Compressor speed is displayed under

STATUS menu in the thermostat.

8. For TXV Indoor Unit

The system subcooling should be 8°F ± 1°F. If not

in that range, adjust subcooling and superheat

according to the following procedure.

a. If subcooling and superheat are low, adjust TXV

to 8°F ± 1°F superheat, then check subcooling.

NOTE: To adjust superheat, turn the valve stem

clockwise to increase and counter clockwise to

decrease.

b. If subcooling is low and superheat is 8°F ± 1°F,

add charge to rise subcooling to 8°F ± 1°F, then

check superheat.

c. If subcooling is low and superheat is high, add

charge to rise subcooling to 8°F ± 1°F, then check

superheat.

d. If subcooling is 8°F ± 1°F and superheat is high,

adjust the TXV valve to 8°F ± 1°F superheat, then

check subcooling.

e. If subcooling and superheat are high, adjust the

TXV valve to 8°F ± 1°F superheat, then check

subcooling.

f. If subcooling is high and superheat is 8°F ± 1°F,

remove charge to lower the subcooling to 8°F ±

1°F, then check superheat.

g. If subcooling is high and superheat is low, adjust

the TXV valve to 8°F ± 1°F superheat and remove

charge to low the subcooling to 8°F ± 1°F.

h. If subcooling is 8°F ± 1°F and superheat is low,

adjust the TXV valve to 8°F ± 1°F superheat and

remove charge to lower the subcooling 8°F ± 1°F,

then check the superheat.

NOTE: It is recommended to add charge in 4

oz. increments each time to achieve the target

subcooling.

*1. 10°F ± 1°F only for *VXC20060**

HECK

THE

CHRADER

PORTS

FOR

LEAKS

AND

TIGHTEN

VALVE

CORES

NECESSARY

. I

NSTALL

CAPS

FINGER

TIGHT

NOTICE

NOT

ADJUST

THE

CHARGE

BASED

SUCTION

PRESSURE

UNLESS

THERE

GROSS

UNDERCHARGE

NOTICE

SUCTION PRESSURE

PSIG

R-410A °F

LIQUID PRESSURE

PSIG

R-410A °F

50 1 200 70

52 3 210 73

54 4 220 76

56 6 225 78

58 7 235 80

60 8 245 83

62 10 255 85

64 11 265 88

66 13 275 90

68 14 285 92

70 15 295 95

72 16 305 97

74 17 325 101

76 19 355 108

78 20 375 112

80 21 405 118

85 24 415 119

90 26 425 121

95 29 435 123

100 31 445 125

110 36 475 130

120 41 500 134

130 45 525 138

140 49 550 142

150 53 575 145

160 56 600 149

170 60 625 152

SATURATED SUCTION PRESSURE

TEMPERATURE CHART

SATURATED LIQUID PRESSURE

TEMPERATURE CHART

ATTENTION INSTALLER - IMPORTANT NOTICE!

Please read carefully before installing this unit.

• Do not attach any wires to the R & C Terminals on the

Condensing Unit, as they are not needed for inverter unit

setup.

• Data Line Terminals #1 and #2 are polarity sensity. Only

the data lines, 1 and 2 are required between the indoor

and outdoor units.

• Data Line Terminal #1 from outdoor unit must connect to

terminal #1 on indoor unit and data line terminal #2 from

outdoor unit must connect to terminal #2 on indoor unit.

Verify wires are not reversed.

• Calculate the Liquid Line Set length and weigh in 0.6

ounces per foot of R410A refrigerant for any length

over 15 feet.

• Charge by Sub-cooling.

Sub-cooling should be 8°F ± 1°F (10°F ± 1°F only for *VZC200601).

after adjusting charge, please allow at least 20 minutes

for the system to stabilize before making further charge

adjustment.

Setting Function

1 ON CT Communication Terminal Resister

2 ON CT Communication Terminal Resister

1 ON Cooling Emergency Mode*

2 ON Cooling Emergency Mode*

OUTDOOR UNIT DIPSWITCH FACTORY DEFAULT SETTINGS

Switch #

DS1

DS2

* DS2 sw itch 1 and 2 both must be turned on during normal operation mode

Field Selectable Boost Mode

BOOST MODE can be enabled or disabled through the

control board push buttons or through the CoolCloud app.

BOOST MODE allows the system to operate at increased

compressor speed to satisfy unusually high loads. BOOST

MODE is initiated by an outdoor temperature sensor

located in the outdoor unit.

Please note that outdoor equipment operational sound

levels may increase while the equipment is running in

BOOST MODE. Disabling BOOST MODE will provide the

quietest and most e󰀩cient operation.

NOTE: BOOST MODE is applicable only for

AVXC200**AB and GVXC20**AA or later revision.

BOOST MODE is ON by default and is activated when the

outdoor temperature reaches 105°F. BOOST MODE can

be disabled and enabled and the activation temperature

adjusted in the Settings menu of the CoolCloud app or

through the indoor / outdoor push button menus.

If installing with a CTK04 thermostat, please see the

addendum for further instructions.

Dehumidification

NOTE: For regions with high humidity, it is

strongly recommended to use a thermostat with

humidity sensor and dehumidification terminal.

Without this type of thermostat, dehumidification

operation does not work.

Dehumidication requires a thermostat capable of reading

the indoor humidity level and allowing the user to set a

dehumidication target.

The thermostat controls the humidity level of

the conditioned space using the cooling system.

Dehumidication is engaged whenever a cooling demand

is present and humidity levels are above the target level.

When this condition exists, the circulating fan output is

reduced, increasing system run time, over cooling the

evaporator coil and ultimately removing more humidity from

the structure than if only in cooling mode.

The thermostat may also allow for an additional

overcooling limit setting depending on the thermostat

utilized. This allows the cooling system to further reduce

humidity by lowering the temperature below the cooling

setpoint in an attempt to better achieve desired humidity

levels.

Dehumidification Tips

For e󰀨ective dehumidication operation:

• Ensure “Dehumidication selection” is NOT set to

“OFF”.

• Verify the cooling airow prole is set to “Prole D”.

- See the Cool Set-up section of the Installation Manual for

complete airow prole details.

- By default, “Dehumidication selection” is standard and

the cooling airow prole is set to “Prole D”.

• For additional dehumidication control, airow settings

are eld adjustable and can be ne-tuned to a value

that is comfortable for the application from a range of

Cool Airow Trim.

• In addition, the system can have Enhanced

Dehumidication operation in setting “A”, “B”,

or “C” of “Dehumidication Selection” based on

dehumidication demand.

- See the DEHUMIDIFICATION SELECT section of the

Installation Manual for more detail.

COMFORTBRIDGE™ SYSTEM

Overview

The ComfortBridge based inverter heating and air

conditioning system uses an indoor unit and outdoor unit

digitally communicating with one another via a two-way

communications path. ComfortBridge is compatible with

any 24 VAC single stage thermostat which sends inputs to

the indoor unit.

Comfortbridge System Advanced Features

The ComfortBridge system permits access to system

information, advanced set-up features, and advanced

diagnostic/troubleshooting features via the control board

push buttons or the CoolCloud HVAC app.

(If using a CTK04 thermostat, please see the addendum

for further instructions.)

Fault Code History

The air conditioner’s diagnostics menu provides access

to the most recent faults. The six most recent faults can

be accessed through the control board seven segment

displays or the CoolCloud mobile app. Any consecutively

repeated fault is stored a maximum of three times.

Example: A leak in the system, low refrigerant charge or an

incompletely open stop valve can cause the unit to ash

error code E15. This error code suggests that the unit is

experiencing operation at low pressure. The control will

only store this fault the rst three consecutive times the

fault occurs.

NOTE: The fault list can be cleared after

performing maintenance or servicing the system

to assist in the troubleshooting process.

Device Status

This menu displays information about the systems current

status. This menu can be utilized to conrm correct

functionality of the equipment and for troubleshooting

purposes.

The following items will be displayed:

• Heat Capacity Request Percentage

• Cool Capacity Request Percentage

• Heat Capacity Request During Defrost Percentage

• Dehumidication Request Percentage

• Reversing Valve Status

• Reported Airow by Indoor Unit

• Boost Mode

• Previous Defrost Run Time

* Information specic to the heat pump is not

displayed.

Sensor Data

The following sensor values will be displayed:

• Outdoor Temperature

• Coil Temperature

• Liquid Line Temperature

• Discharge Temperature

• Defrost Sensor

• Suction Pressure

Pump Down / Charge Mode

This function can be enabled in this menu.

* Information specic to the heat pump is not displayed.

Cool Set-up

The system allows for the adjustment of several cooling

performance variables. Cool Airow Trim (*1), Cool Airow

Proles, Cool Fan ON Delay, Cool Fan OFF Delay and

Dehumidication Select (some enable option or o󰀨) can

be adjusted in this menu. You can also reset this entire

menu to factory default settings. See the following images

showing the four cooling airow proles.

Cooling Airflow Profile

• Prole A provides only an OFF delay of one (1)

minute at 100% of the cooling demand airow.

• Prole B ramps up to full cooling demand airow

by rst stepping up to 50% of the full demand for

30 seconds. The motor then ramps to 100% of the

required airow. A one (1) minute OFF delay at 100%

of the cooling airow.

50% CFM

1/2 min

100% CFM

1 min

OFF

• Prole C ramps up to 82% of the full cooling demand

airow and operates there for approximately 7 1/2

minutes. The motor then steps up to the full demand

airow. Prole C also has a one (1) minute 100% OFF

delay.

100% CFM

OFF

• Prole D (default) ramps up to 50% of the demand

for 1/2 minute, then ramps to 82% of the full cooling

demand airow and operates there for approximately

7 1/2 minutes. The motor then steps up to the full

demand airow. Prole D has a 1/2 minute at 50%

airow OFF delay.

OFF

Airflow Tables

1. At Cool and Heat Hi speed trim, *VXC200601* with

**VC960804C, **VM970804C and *MVC800804C

combination trim more than 5% settings are invalid.

Trimmed up CFM makes miss matching error.

2. At Cool Hi speed trim, Other than the above,

depending on the connected indoor unit, there are

restrictions on the positive side Trim setting.

If you want to change the Cool Airow Trim to positive

side, be sure to conrm the Airow Trim restrictions

in the latest indoor unit installation manual. The

latest manual can be obtained from the website

“PartnerLink(InfoFinderPlus/Literature)”.

[PartnerLink URL]

https://partnerlinkmarketing.goodmanmfg.com/

goodman/info-nder-plus

3. The Inverter system uses lower compressor speed

and lower indoor unit CFM to optimize system

performance. To obtain 100% CFM for home

circulation, use full Trim setting instead of Int/

Low speed. This is recommended for applications

with unusually cold return temperatures such as

basements.

Dehumidification Select

Dehumidication requires a thermostat capable of reading

the indoor humidity level from the thermostat and allows

the user to set a dehumidication target based on these

settings.

The thermostat controls the humidity level of

the conditioned space using the cooling system.

Dehumidication is engaged whenever a cooling demand

is present and structural humidity levels are above the

target level. When this condition exists, the circulating fan

output is reduced, increasing system run time, over cooling

the evaporator coil and ultimately removing more humidity

from the structure than if only in cooling mode.

The thermostat may also allow for an additional

overcooling limit setting depending on the thermostat

utilized. This allows the cooling system to further reduce

humidity by lowering the temperature below the cooling

setpoint in an attempt to better achieve desired humidity

levels.

When Dehumidication mode exists, the circulating fan

output is reduced, increasing system run time, over cooling

the evaporator coil and ultimately removing more humidity

from the structure than if only in cooling mode.

The system can have Dehumidication operation in setting

“Standard”, “A”, “B” or “C” of “dehumidify with cooling”

menu based on dehumidication demand.

Setting “Standard” allows for the widest compressor

operation range with lower CFM than Cooling mode.

In the Enhanced Dehumidication (setting A, B and C)

the indoor airow is lower than Standard Dehumidication

(Standard).

Setting “A” allows for the same compressor operation

range as standard Dehumidication with lower CFM than

standard dehumidication (Standard).

Setting “B” limits compressor operation range and keeps

high dehumidication capacity.

In setting “C” the system runs xed at 100% compressor

and airow. See Figure 1.

NOTE: In high humidity environments, sweating on

supply ducts, cased coils or air handler cabinets

can become an issue in Enhanced Dehumidification

operation. It is strongly recommended covering

then with 2” fiberglass insulation for these

installations.

Figure 1

Max Compressor Rps For Cooling/Heating

(Selected RPS/ RPS Range)

Max compressor speed at which the outdoor unit will

operate can be changed through the control board seven

segment displays or the CoolCloud mobile app.

Max compressor speed can be changed to get the required

capacity or e󰀩ciency.

Once the maximum speed is set, the system operates

between the set maximum speed and default low speed.

When determining the appropriate compressor speed

for cooling and heating, in the “RPS Range For Cooling/

Heating” menu select the range that contains the desired

value.

(Then, after pressing the Apply Changes button, leave the

Device setting menu and enter the this menu again.

Otherwise, the changed settings will not be reected.)

Next, in the “Selected RPS for Cooling/Heating” menu,

select the desired RPS within the displayed range.

Air Conditioner Advanced Feature Menu

A representative menu is posted. Item names and setting value are subject to change.

SUBMENU ITEM INDICATION/USER MODIFIABLE OPTIONS COMMENTS

ALL (The Active and History Fault codes are displayed.) Active fault code and up to 6 fault code histories.

ACTIVE (The Active Fault codes are displayed.) Active fault code only.

HISTORY (The History Fault codes are displayed .) Up to 6 fault code histories.

REFRESH N/A Selecting this menu will refresh the display.

SUBMENU ITEM INDICATION/USER MODIFIABLE OPTIONS COMMENTS

HVAC DEVICE AIR CONDITIONER(AC)

The type of HVAC Device.

FIRMWARE VERSION **

Specific number associated with the control

software.

MODEL NUMBER *VXC200*01*

This number match the model name found on the

serial plate.

SERIAL NUMBER *********

This number match the serial number found on the

serial plate.

SUBMENU ITEM INDICATION(Units) COMMENTS

COOL CAPACITY REQUEST %

The request for cooling.

0% means the system is off.

All other values mean the system is running.

DEHUMIDIFICATION REQ UEST %

Request for dehumidification.

0% means dehumidification is not being requested.

All other values mean dehumidification is being

requested.

OUTDOOR FAN SPEED RPM

Current speed of the outdoor fan in rotations per

minute.

REQUESTED AIRFLOW CFM

This is the airflow the indoor unit will try to deliver

while the unit is active.

REPORTED AIRFLOW CFM

Indoor airflow (in cubic feet per minute) as reported

by the indoor unit.

BOOST MODE OFF or ON

If this feature is available and enabled, an inverter

can ramp the compressor above default speeds to

increase capacity.

This shows if the feature is active or inactive.

To check if this function is enabled, find the Boost

Mode Enable item in the setting for this unit.

SUBMENU ITEM INDICATION(Units) COMMENTS

OUTDOOR TEMP F Displays the outdoor air temperature.

LIQUID LINE TEMP F Displays the outdoor liquid temperature.

DISCHARGE TEMP F Displays the outdoor discharge temperature.

SUCTION PRESSURE PSI

Displays the pressure of taken slightly upstream of

the suction accumulator.

AIR CONDITIONER(AC) / FAULT CODE HISTORY

AIR CONDITIONER(AC) / CONFIGRATION INFO

AIR CONDITIONER(AC) / DEVICE STATUS

AIR CONDITIONER(AC) / SENSOR DATA

Air Conditioner Advanced Feature Menu

A representative menu is posted. Item names and setting value are subject to change.

*1 At Cool and Heat Hi speed trim, *VXC200601* with **VC960804C, **VM970804C and *MVC800804C combination trim more than 5% settings are

invalid. Trimmed up CFM makes miss matching error.

*2 Other than the above, depending on the connected indoor unit, there are restrictions on the positive side Trim setting.

If you want to change the Cool Airow Trim to positive side, be sure to conrm the Airow Trim restrictions in the latest indoor unit installation manual.

The latest manual can be obtained from the website “PartnerLink(InfoFinderPlus/Literature)”.

[PartnerLink URL]

https://partnerlinkmarketing.goodmanmfg.com/goodman/info-nder-plus

*3 The Inverter system uses lower compressor speed and lower indoor unit CFM to optimize system performance.

To obtain 100% CFM for home circulation, use full Trim setting instead of Int/Low speed.

This is recommended for applications with unusually cold return temperatures such as basements.

*4 Please refer to the page of “DEHUMIDIFICATION SELECT “ for details of this function.

SUBMENU ITEM INDICATION(Units) COMMENTS

BOOST MODE ENABLE OFF or ON

BOOST MODE is ON by default. See BOOST MODE

section of this manual for more details.

BOOST TEMP

Always Active or 70F to 105F in increments

If enabled, when the ambient outdoor temperature is

greater than this selected value, boost mode will be

operational.

Below this temperature the mode will not function.

There is also an option to keep boost mode

countinuously enabled.

INDOOR/OUTDOOR HEIGHT DIFFERENCE

Both Units at Same Level,

Outdoor Unit is Lower, or

Indoor Unit is Lower

If the outdoor & indoor units are within +/- 15 ft. vertical

distance, select SAME LEVEL. If the outdoor unit is

more than 15 ft. below the indoor unit, select OUTDOOR

LOWER. If the outdoor unit is more than 15 ft. above the

indoor unit, select INDOOR LOWER.

RESET FOR SYSTEM SETUP NO or YES

Selecting yes will reset any system setting to their factor

defaults.

SYSTEM VERIFICATION TEST OFF or ON

System Verification Test must be run after installation.

This is approximately a 5-15 minute test. If operation

mode is set to COOL mode, the system will enter

CHARGE mode upon completion, otherwise it will stop.

PUMP DOWN OFF or ON

Enter PUMP DOWN Mode.

This procedure runs the equipment for approximately 15

minutes and allows accumulation of refrigerant at

the outdoor unit for purposes of removing & replacing th

indoor unit or outdoor unit.

ACTIVATE CHARGE MODE OFF or ON

Enter Charging Mode. This allows for a steady system

operation for a duration of approximately 1 hour to allow

for refrigerant charging of the system via the charge port.

COOLING TRIM FACTOR(HIGH)

*1, 2

-15% to +15% in 5% increments

Select this airflow trim when inverter system is running

high compressor speeds during a cooling cycle.

COOLING TRIM FACTOR(MID)

-15% to +15% in 5% increments,20 30, Full(Max)

Select this airflow trim when inverter system is running

mid-range (intermediate) compressor speeds during a

cooling cycle.

COOLING TRIM FACTOR(LOW)

-15% to +15% in 5% increments,20 30, Full(Max)

Select this airflow trim when inverter system is running

low compressor speeds during a cooling cycle.

COOLING AIRFLOW PROFILE A, B, C, or D

If it is desirable to quickly ramp up the indoor airflow

select profile A.

If it is desirable to reach nominal airflow quickly, but a

slower ramp up time is required, select profile B.

If dehumidification is required immediately when cooling

mode begins select profile C.

If a slower airflow ramp up / ramp down time is required

in addition to dehumidification select profile D.

BLOWER ON DELAY-COOLING 5, 10, 20 or 30 Seconds

Delay between compressor turning on and indoor blower

turning on during a cooling cycle.

BLOWER OFF DELAY-COOLING 30, 60, 90 or 120 Seconds

Delay between compressor shutting off and the indoor

blower shutting off after a cooling cycle.

DEHUMIDIFICATION ENABLE

Standard, OFF, A, B or C

Selecting "OFF" disables dehumidification selecting.

"Standard", "A", "B" or "C" enables dehumidification.

RESET COOLING SETTINGS NO or YES

Selecting yes will reset any cooling setting to their

factory defaults.

RPS RANGE FOR COOLING **.* to **.* RPS,…(Total 5 Ranges)

When determining the appropriate compressor speed for

cooling, select the range that contains the desired value.

The Selected RPS for Cooling menu is where you will

select your desired value within this selected range.

SELECTED RPS FOR COOLING **.* RPS

This value will be a number inside the RPS Range for

Cooling.

If you'd like to select a RPS from a different range, you

must change the RPS Range for Cooling setting first,

then restart the device setting page

RESET FAULT HISTORY NO or YES Selecting yes will clear the fault histories of device.

AIR CONDITIONER(AC) / DEVICE SETTING

HIGH VOLTAGE!

Disconnect ALL power before servicing or installing this unit. Multiple

power sources may be present. Failure to do so may cause property

damage, personal injury or death.

Wiring Diagram - 2-3 Tons

Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.

*VXC200241**; *VXC200361**

1.THE POSITION OF THE SELECTOR SWITCHES (DS1/DS2) INDICATE FACRTORY SETTING.

2. MOTOR OVERLOAD PROTECTION PROVIDED BY INVERTER: SEE TABLE

3. USE COPPER CONDUCTORS ONLY.

4. CLASS 2 WIRE

NOTES:

X11A

AMBIENT

SEG

TERMINAL BLOCK

FIELD WIRING

H/LPT

COMPRESSOR

TERMINAL ORIENTATION

X108A

Z1C

Z2C

TO INDOOR

UNIT

X17A

HPS

HR1

HR3

HR2

HR4

X32A

X851A

POWER CONDITIONER

X12A

Z3C

GROUND LUG

NOTE 1

OFF

SEE NOTE 3

X52A

SHARE DATA

Z4C

BS1

BS2

BS3

M1C

M1F

THERMISTOR/TEMPRATURE SENSOR

MOTOR

HIGH/LOW PRESSURE TRANSDUCER(H/LPT)

HIGH PRESSURE SWITCH(HPS)

DS1/DS2 DIP SWITCH

SEG1-SEG3 7-SEGEMENT DISPLAY

Z1C-Z4C FERRITE CORE

BS1-BS3 PUSH BUTTON SWITCH

M1C COMPRESSOR MOTOR

M1F FAN MOTOR

TERMINAL

CONNECTOR

NOISLESS EARTH

ELECTRICAL GROUND

HIGH VOLTAGE

LOW VOLTAGE

HIGH VOLTAGE FIELD

MPONE

T CODE

NOTE 1

OFF

DS1

INVERTER BOARD

RING

COLOR

0140R00352-G

DS2

208-230 V

60 HZ

SEE NOTE 4

COLOR CODE:

RD-----------------

BR-----------------

GR-----------------

BK-----------------

WH---------------

YL-----------------

BL-----------------

PU----------------

GY-----------------

RED

BROWN

GREEN

BLACK

WHITE

YELLOW

BLUE

PURPLE

GRAY

SEE NOTE 3

OFF

HIGH VOLTAGE!

Disconnect ALL power before servicing or installing this unit. Multiple

power sources may be present. Failure to do so may cause property

damage, personal injury or death.

Wiring Diagram - 4 Tons

Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.

*VXC200481**

1. THE POSITION OF THE SELECTOR SWITCHES (DS1/DS2) INDICATE FACTORY SETTING.

2. MOTOR OVERLOAD PROTECTION PROVIDED BY INVERTER: SEE TABLE

3. USE COPPER CONDUCTERS ONLY.

4. CLASS 2 WIRE

NOTES:

TO INDOOR

UNIT

X11A

AMBIENT

SEG

X17A

X851A

X99A

HPS

M1C

M1F

L2B

L1B

NOISE FILTER

BOARD

L2A

L1A

L1C

L2C

TERMINAL BLOCK

FIELD

WIRING

H/LPT

GND

INVERTER BOARD

COMPRESSOR

TERMINAL ORIENTATION

X32A

X108A

Z1C

Z2C

Z3C

X12A

COIL INLET

LIQUID LINE

DISCHARGE LINE

OFF

DS2

NOTE 1

BS1

BS2

BS3

X111A

FIN THERMISTOR

X52A

SHARE DATA

NOTE 1

OFF

DS1

X98A

RING

COLOR

THERMISTOR/TEMPRATURE SENSOR

MOTOR

HIGH/LOW PRESSURE TRANSDUCER(H/LPT)

HIGH PRESSURE SWITCH(HPS)

DS1/DS2 DIP SWITCH

SEG1-SEG3 7-SEGEMENT DISPLAY

Z1C-Z3C FERRITE CORE

BS1-BS3 PUSH BUTTON SWITCH

M1C COMPRESSOR MOTOR

M1F FAN MOTOR

TERMINAL

CONNECTOR

NOISLESS EARTH

ELECTRICAL GROUND

HIGH VOLTAGE

LOW VOLTAGE

HIGH VOLTAGE FIELD

OMPONENT CODE

NOTE 3

SEE NOTE 3

0140R00353-G

208-230 V

60 HZ

SEE NOTE 4

COLOR CODE:

RD-----------------

BR-----------------

GR-----------------

BK-----------------

WH---------------

YL-----------------

BL-----------------

RED

BROWN

GREEN

BLACK

WHITE

YELLOW

BLUE

SEE NOTE 3

OFF

HIGH VOLTAGE!

Disconnect ALL power before servicing or installing this unit. Multiple

power sources may be present. Failure to do so may cause property

damage, personal injury or death.

Wiring Diagram - 5 Tons

Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.

*VXC200601**

TO INDOOR

UNIT

SEG1

SEG2

SEG3

X17A

X851A

X99A

HPS

M1C

M1F

TERMINAL

BLOCK

FIELD

WIRING

H/LPT

GND

INVERTER BOARD

COMPRESSOR

TERMINAL

ORIENTATION

X32A

Z1C

Z2C

L1A

L2A

L1B

L2B

X98A

NOISE FILTER

BOARD

L2C

L1C

X11A

AMBIENT

X111A

FIN THERMISTOR

X202A

X301A

X108A

X302A

L1D

L1E

X201A

FAN CONTROL

BOARD

POWER

CONDITIONER

CURRENT SENSOR

X12A

COIL CIRCUIT

LIQUID LINE

DISCHARGE LINE

X101A

NOTE 1

OFF

DS2

1. THE POSITION OF THE SELECTOR SWITCHES (DS1) INDICATE FACTORY SETTING.

2. MOTOR OVERLOAD PROTECTION PROVIDED BY INVERTER: SEE TABLE

3. USE COPPER CONDUCTORS ONLY.

4. CLASS 2 WIRE

NOTES:

BS1

BS2

BS3

THERMISTOR/TEMPRATURE SENSOR

MOTOR

HIGH/LOW PRESSURE TRANSDUCER(H/LPT)

HIGH PRESSURE SWITCH(HPS)

DS1/DS2 DIP SWITCH

SEG1-SEG3 7-SEGEMENT DISPLAY

Z1C-Z2C FERRITE CORE

BS1-BS3 PUSH BUTTON SWITCH

M1C COMPRESSOR MOTOR

M1F FAN MOTOR

TERMINAL

CONNECTOR

NOISLESS EARTH

ELECTRICAL GROUND

HIGH VOLTAGE

LOW VOLTAGE

HIGH VOLTAGE FIELD

CRANKCASE HEATER(CH)

OMPO

T CO

CAPACITOR

X28A

RING

COLOR

0140R00354-H

NOTE 1

OFF

DS1

X52A

SHARE DATA

SEE NOTE 3

NOTE 3

208-230 V

60 HZ

THESE WIRES GO

THROUGH THE

CURRENT SENSOR HOLE

COLOR CODE:

RD-----------------

BR-----------------

GR-----------------

BK-----------------

WH---------------

YL-----------------

BL-----------------

RED

BROWN

GREEN

BLACK

WHITE

YELLOW

BLUE

SEE NOTE 4

SEE NOTE 3

OFF

VOID

CONTACT

WITH

THE

CHARGED

AREA

•N

EVER

TOUCH

THE

CHARGED

AREA

BEFORE

CONFIRMING

THAT

THE

RESIDUAL

VOLTAGE

VOLTS

LESS

1. S

HUT

DOWN

THE

POWER

AND

LEAVE

THE

CONTROL

BOX

FOR

MINUTES

2. M

AKE

SURE

TOUCH

THE

ARTH

GROUND

TERMINAL

RELEASE

THE

STATIC

ELECTRICITY

FROM

YOUR

BODY

(

PREVENT

FAILURE

THE

BOARD

3. M

EASURE

THE

RESIDUAL

VOLTAGE

THE

SPECIFIED

MEASUREMENT

POSITION

USING

VOM

WHILE

PAYING

ATTENTION

NOT

TOUCH

THE

CHARGED

AREA

4. I

MMEDIATELY

AFTER

MEASURING

THE

RESIDUAL

VOLTAGE

DISCONNECT

THE

CONNECTORS

THE

OUTDOOR

UNIT

’

FAN

MOTOR

. (I

THE

FAN

BLADE

ROTATES

STRONG

WIND

BLOWING

AGAINST

THE

CAPACITOR

WILL BE CHARGED,

CAUSING

THE

DANGER

ELECTRICAL

SHOCK

WARNING

Testing Capacitor Resistance

2-3 Ton

VOID

CONTACT

WITH

THE

CHARGED

AREA

•N

EVER

TOUCH

THE

CHARGED

AREA

BEFORE

CONFIRMING

THAT

THE

RESIDUAL

VOLTAGE

VOLTS

LESS

1. S

HUT

DOWN

THE

POWER

AND

LEAVE

THE

CONTROL

BOX

FOR

MINUTES

2. M

AKE

SURE

TOUCH

THE

ARTH

GROUND

TERMINAL

RELEASE

THE

STATIC

ELECTRICITY

FROM

YOUR

BODY

(

PREVENT

FAILURE

THE

BOARD

3. M

EASURE

THE

RESIDUAL

VOLTAGE

THE

SPECIFIED

MEASUREMENT

POSITION

USING

VOM

WHILE

PAYING

ATTENTION

NOT

TOUCH

THE

CHARGED

AREA

4. I

MMEDIATELY

AFTER

MEASURING

THE

RESIDUAL

VOLTAGE

DISCONNECT

THE

CONNECTORS

THE

OUTDOOR

UNIT

’

FAN

MOTOR

. (I

THE

FAN

BLADE

ROTATES

STRONG

WIND

BLOWING

AGAINST

THE

CAPACITOR

WILL BE CHARGED,

CAUSING

THE

DANGER

ELECTRICAL

SHOCK

WARNING

Testing Capacitor Resistance

4 Ton

VOID

CONTACT

WITH

THE

CHARGED

AREA

•N

EVER

TOUCH

THE

CHARGED

AREA

BEFORE

CONFIRMING

THAT

THE

RESIDUAL

VOLTAGE

VOLTS

LESS

1. S

HUT

DOWN

THE

POWER

AND

LEAVE

THE

CONTROL

BOX

FOR

MINUTES

2. M

AKE

SURE

TOUCH

THE

ARTH

GROUND

TERMINAL

RELEASE

THE

STATIC

ELECTRICITY

FROM

YOUR

BODY

(

PREVENT

FAILURE

THE

BOARD

3. M

EASURE

THE

RESIDUAL

VOLTAGE

THE

SPECIFIED

MEASUREMENT

POSITION

USING

VOM

WHILE

PAYING

ATTENTION

NOT

TOUCH

THE

CHARGED

AREA

4. I

MMEDIATELY

AFTER

MEASURING

THE

RESIDUAL

VOLTAGE

DISCONNECT

THE

CONNECTORS

THE

OUTDOOR

UNIT

’

FAN

MOTOR

. (I

THE

FAN

BLADE

ROTATES

STRONG

WIND

BLOWING

AGAINST

THE

CAPACITOR

WILL BE CHARGED,

CAUSING

THE

DANGER

ELECTRICAL

SHOCK

WARNING

Testing Capacitor Resistance

5 Ton

VOID

CONTACT WITH THE CHARGED AREA.

•N

EVER

TOUCH THE CHARGED AREA BEFORE CONFIRMING THAT THE

RESIDUAL VOLTAGE IS 50 VOLTS OR LESS.

1. S

HUT

DOWN THE POWER AND

LEAVE THE CONTROL BOX FOR 10 MINUTES.

2. M

AKE SURE TO

TOUCH THE EARTH GROUND TERMINAL TO RELEASE THE STATIC ELECTRICITY FROM YOUR

BODY (TO PREVENT

FAILURE OF THE PC BOARD).

3. M

EASURE THE RESIDUAL VOLTAGE IN THE SPECIFIED MEASUREMENT POSITION USING A VOM WHILE PAYING ATTENTION NOT TO

TOUCH THE CHARGED AREA.

4. I

MMEDIATELY AFTER MEASURING THE RESIDUAL VOLTAGE,

DISCONNECT THE CONNECTORS OF THE OUTDOOR UNIT’S FAN

MOTOR. (IF THE FAN BLADE ROTATES

BY STRONG WIND BLOWING AGAINST IT, THE CAPACITOR WILL BE CHARGED, CAUSING

THE

DANGER OF ELECTRICAL SHOCK.)

WARNING

Outdoor normal temperature operating range: 67-115°F / Indoor normal temperature operating range: 65-85°F

Troubleshooting

ClimateTalk

Fault Code

PCB LED

Display

Transmitted ClimateTalk

Message

snoitcA evitcerroCsesuaC elbaborPtluaF tatsomrehT

12 E12 OD CTRL FAIL1 Indicates a general memory error.

High electrical noise

Faulty control board

Replace control board if necessary

13 E13

HI PRESSURE C

(C = CRITICAL)

This error indicates the equipment is

experiencing frequent high pressure

faults.

Blocked/restricted condenser coil and/or

lines

Stop valve not completely open

Overcharge

Outdoor fan not running

High pressure switch (HPS) inoperable

Faulty TXV

Faulty control board

Check and clean condenser coil and/or lines

Check the opening of stop valve, should be full open;

Repair/replace if needed

Check refrigerant charge level; Adjust if needed

Check outdoor fan motor & wiring; Repair/replace if

needed

Check TXV; Replace if needed

Replace control board if necessary

14 -

HI PRESSURE M

(M = MINOR)

This error indicates the equipment is

experiencing frequent high pressure

faults. Control has determined continued

operation is acceptable. This indicates

they may be a problem with the

equipment.

Blocked/restricted condenser coil and/or

lines

Stop valve not completely open

Overcharge

Outdoor fan not running

High pressure switch (HPS) inoperable

Faulty TXV

Faulty control board

Check and clean condenser coil and/or lines

Check the opening of stop valve, should be full open;

Repair/replace if needed

Check refrigerant charge level; Adjust if needed

Check outdoor fan motor & wiring; Repair/replace if

needed

Check TXV; Replace if needed

Replace control board if necessary

Check high pressure switch; Replace if necessary

15 E15 LOW PRESSURE C

This error indicates the equipment is

experiencing frequent low pressure

faults.

Stop valve not completely open

Restriction in refrigerant lines

Low refrigerant charge

Refrigerant leak

Low pressure sensor inoperable or not

properly connected

Indoor fan motor not functioning correctly

Faulty TXV

Faulty control board

Check the opening of stop valve, should be full open;

Repair/replace if needed

Check for restrictions in refrigerant line;

Repair/replace if needed

Check refrigerant charge level; Adjust if needed

Test for system leaks using leak test procedure

Check the connection to low pressure sensor;

Repair/replace if needed

Check TXV; Replace if needed

Check indoor blower motor & wiring; Repair/replace if

needed

Replace control board if necessary

16 - LOW PRESSURE M

This error indicates the equipment is

experiencing frequent low pressure

faults. Control has determined continued

operation is acceptable. This indicates

they may be a problem with the

equipment.

Stop valve not completely open

Restriction in refrigerant lines

Low refrigerant charge

Refrigerant leak

Low pressure sensor inoperable or not

properly connected

Indoor fan motor not functioning correctly

Faulty TXV

Faulty control board

Check the opening of stop valve, should be full open;

Repair/replace if needed

Check for restrictions in refrigerant line;

Repair/replace if needed

Check refrigerant charge level; Adjust if needed

Test for system leaks using leak test procedure

Check the connection to low pressure sensor;

Repair/replace if needed

Check TXV; Replace if needed

Check indoor blower motor & wiring; Repair/replace if

needed

Replace control board if necessary

17 E17 COMPRESSOR FAIL

This error indicates the equipment is

experiencing frequent compressor faults.

Stop valve not completely open

The compressor wire is lost phase

Compressor motor failure

Check the opening of stop valve, should be full open;

Repair/replace if needed

Check the wire between control board and compressor

Inspect compressor motor for proper function; Replace

if necessary

18 E18 OD CTRL FAIL2

Indicates the control board may need to

be replaced.

Outdoor fan motor not connected properly

Faulty control board

Noise

Check wiring from Outdoor fan motor to control board;

Repair if needed.

Replace control board if necessary

19 E19 PCB OR FAN FAIL

This error indicates the equipment is

experiencing frequent outdoor control

board and/or motor faults.

Obstruction in fan rotation

Outdoor fan motor not connected properly

Outdoor fan not running

Faulty control borad

Noise

Check and clean grille or any debris

Check wiring from Outdoor fan motor to control board;

Repair if needed

Check outdoor fan motor & wiring. Repair/replace if

needed

Replace control board if necessary

20 E20 EEV OPEN CKT

EEV coil is not connected.

Outdoor EEV coil is not connected.

Faulty outdoor EEV coil.

Check outdoor EEV coil connection.

Repair/replace as needed.

21 E21 EEV CTRL FAIL

This error indicates the equipment is

experiencing frequent low discharge

superheat faults.

Thermistors inoperable or improperly

connected

Faulty TXV

Faulty outdoor EEV coil

Faulty outdoor EEV

Over charge

Faulty pressure sensor

Faulty control board

Check the connection to thermistors; Repair/replace

if needed

Check TXV; Replace/repair if needed

Check outdoor EEV coil; Repair/replace if needed

Check outdoor EEV; Replace/repair if needed

Check refrigerant charge level; Adjust if needed

Check pressure sensor; Repair/replace if needed

Replace control board if necessary

(*1) This message is displayed when using the CTK04 thermostat

Troubleshooting

ClimateTalk

Fault Code

PCB LED

Display

Transmitted ClimateTalk

Message

snoitcA evitcerroCsesuaC elbaborPtluaF tatsomrehT

22 E22 HI DISCH TEMP

This error indicates the equipment is

experiencing frequent high discharge

temperature faults.

Discharge thermistor is not put on

correct position.

Discharge thermistor inoperable or

improperl

connected

Discharge thermistor is put on incorrect

position or off

Low refrigerant charge

Overcharge

Faulty compressor

Check discharge thermistor resistance and

connections; Repair/replace as needed

Check discharge thermistor position

Check refrigerant charge level; Adjust if needed

Check the compressor; Repair/replace if needed

23 E23 DISCH TEMP FAIL

The control has detected that the

Discharge Temperature Sensor is out of

range.

Discharge thermistor inoperable or

improperl

connected

Check discharge thermistor resistance and

connections; Repair/replace as needed

24 E24 HPS OPEN

The high pressure switch is open. High pressure switch (HPS) inoperable

Check resistance on HPS to verify operation; Replace

if needed

25 E25 AIR SENSOR FLT

The outdoor air temperature sensor is

open or shorted.

Faulty outdoor thermistor sensor or

disconnect

Inspect and test sensor; Replace sensor if needed

26 E26 PRESSURE SENSOR

The control determines that the pressure

sensor is not reacting properly.

Low pressure sensor inoperable or not

properly connected

Check the connection to low pressure sensor;

Repair/replace if needed

27 E27 COIL TEMP FAIL1

The control detects that the Outdoor

Defrost Sensor is out of range.

Outdoor defrost thermistor inoperable or not

properly connected

Check the connection to OD defrost thermistor; Repair

as needed

28 E28 COIL TEMP FAIL2

The control has detected that the Outdoor

Coil Temperature Sensor is out of range.

Outdoor coil thermistor inoperable or not

properly connected

Check the connection to OD coil thermistor;

Repair/replace if needed

29 E29 LIQ TEMP FAIL

The control has detected that the Liquid

Temperature Sensor is out of range.

Liquid thermistor inoperable or not properly

connected

Check the connection to liquid thermistor;

Repair/replace if needed

30 E30 OD CTRL FAIL3

Indicates the control board may need to

be replaced.

Wiring to control board disconnected

Faulty control board

Noise

Check wiring to control board; Repair as needed

Replace control board if necessary

31 E31 HI LEAK CURRENT

The control has detected high leakage

current (high voltege).

Improper ground

Faulty compressor

Check ground screws/lugs and wiring; Repair/replace

if needed

Check the compressor; Repair/replace if needed

32 E32 HI TEMP CTRL1

This error indicates the equipment is

experiencing high temperature faults on

the outdoor control board.

Ambient air conditions too high

Cooling bracket screw(s) missing or not

properly fastened (2-4 ton only)

No or poor thermal grease coating between

coolin

plumbin

and coolin

bracket on control

board (2-4 ton only)

Outdoor fan low speed (5 ton only)

No flow or limited flow through control board

coolin

circuit

(

potential restriction in line or low

refrigerant) (2-4 ton only)

Stop valve not completely open (2-4 ton only)

Cycle power; re-try during usable ambient temperature

range

Verify cooling bracket screws in place and secure;

Secure fasteners as needed (2-4 ton only)

Check thermal

rease inside coolin

bracket on control

board; Apply additional grease as needed

Check outdoor fan motor & wiring; Repair/replace if

needed (5 ton only)

Check for restriction in line

Check refrigerant charge level; Adjust if needed (2-4

ton only)

Check the opening of stop valve, should be full open;

Repair/replace if needed (2-4 ton only)

33 - HI TEMP CTRL2

This error indicates the equipment is

experiencing high temperature faults on

the outdoor control board. Control has

determined continued operation is

acceptable. This indicates they may be a

problem with the equipment.

Ambient air conditions too high

Cooling bracket screw(s) missing or not

properly fastened (2-4 ton only)

No or poor thermal grease coating between

coolin

plumbin

and coolin

bracket on control

board (2-4 ton only)

Outdoor fan low speed (5 ton only)

No flow or limited flow through control board

coolin

circuit

(

potential restriction in line or low

refrigerant) (2-4 ton only)

Stop valve not completely open (2-4 ton only)

Cycle power; re-try during usable ambient temperature

range

Verif

coolin

bracket screws are in place and secure;

Secure fasteners as needed (2-4 ton only)

Check thermal

rease inside coolin

bracket on control

board; Apply additional grease as needed

Check outdoor fan motor & wiring; Repair/replace if

needed (5 ton only)

Check for restriction in line

Check refrigerant charge level; Adjust if needed (2-4

ton only)

Check the opening of stop valve - it should be fully

open; Repair/replace if needed (2-4 ton only)

34 E34 CURRENT SPIKE

Board detected a high current condition.

This indicates the potential for a short

circuit.

Current spike in supply

Stop valve not completely open

The compressor wire is lost phase

Faulty control board

Faulty compressor

Check power supply for in-rush current during start-up

or steady state operation

Check the opening of stop valve, should be full open;

Repair/replace if needed

Check the wire between control board and compressor

Replace control board if necessary

Check the compressor; Repair/replace if needed

(*1) This message is displayed when using the CTK04 thermostat

Troubleshooting

48 E48 NO PUMP DOWN

The control is unable to enter the Pump

Down Mode because indoor heat has

been turned on by thermostat. Please set

thermostat to off position.

Heat provided by secondary heating source Turn off heater using thermostat before operation

49 E49 NO CHARGE MODE

The control is unable to enter Charging

Mode because indoor heat has been

turned on by thermostat. Please set

thermostat to off position.

Heat provided by secondary heating source Turn off heater using thermostat before operation

50 E50 LINE VOLT CTRL

This indicates there is a voltage issue on

the control board. See service manual for

troubleshooting information.

High or low voltage from supply

Faulty control board

Correct low/high line voltage condition; Contact local

utility if needed

Replace control board if necessary

51 E51 OD COMM ERROR

This indicates potential communication

issues have been detected by the

outdoor control board.

Communication wiring disconnected Check communication wiring; Repair as needed

52 - COMP FAIL MINOR

This error indicates the equipment is

experiencing frequent compressor faults.

Control has determined continued

operation is acceptable. This indicates

they may be a problem with the

equipment.

Stop valve not completely open

The compressor wire is lost phase

Compressor motor failure

Check the opening of stop valve, should be full open;

Repair/replace if needed

Check the wire between control board and compressor

Inspect compressor motor for proper function; Replace

if necessary

ClimateTalk

Fault Code

PCB LED

Display

Transmitted ClimateTalk

Message

snoitcA evitcerroCsesuaC elbaborPtluaF tatsomrehT

35 E35 HIGH CURRENT

Board detected a high current condition.

Short circuit condition

Stop valve not completely open

Overcharge

Faulty control board

Faulty compressor

Check installation clearances.

Check the opening of stop valve, should be full open;

Repair/replace if needed

Check refrigerant charge level; Adjust if needed

Replace control board if necessary

Check the compressor; Repair/replace if needed.

36 E36 STARTUP ERROR

The control encountered an abnormal

condition during the startup procedure.

Blocked/restricted condenser coil and/or

lines

The compressor wire is lost phase

Inconsistent compressor load

Faulty control board

Check and clean condenser coil and/or lines

Check the wire between control board and compressor

Replace control board if necessary

37 E37 OD CTRL FAIL4

Indicates the control board may need to

be replaced.

Outdoor fan motor not connected properly

Faulty control board

Check wiring from outdoor fan motor to control board;

Repair if needed

Replace control board if necessary

38 E38 COMP VOLTAGE

The control has detected a volta

e related

issue with the compressor.

High or low voltage from supply

The compressor wire is lost phase

Faulty control board

Correct low/high line voltage condition; Contact local

utility if needed

Check the wire between control board and compressor

Replace control board if necessary

39 E39 OD CTRL FAIL5

Indicates the control board may need to

be replaced.

Thermistors inoperable or improperly

connected

Faulty control board

Check the connection to thermistors; Repair/replace if

needed

Replace control board if necessary

40 E40 COMP MISMATCH

Control determines that its compressor

requirement is different than the

compressor capability.

Bluetooth® Shared Data Loader

● Control board mismatch

Check Bluetooth® Shared Data Loader BTSDL01 data

Verify control board size vs. air conditioner model;

Replace control board if necessary

41 E41 LOW REFRIGERANT

The control has detected a low refri

erant

condition.

Refrigerant leak

Low refrigerant charge

Thermisters inoperable or not properly

connected

Test for system leaks using leak test procedure

Check refrigerant charge level; Adjust if needed

Checkthe connection to thermistor; Repair/replace if

needed

42 E42 LOW LINE VOLT

Control detects a low power supply

voltage condition.

Low line voltage supply

Check circuit breakers and fuses; Replace if needed

Verify unit is connected to power supply as specified

on rating plate

Correct low line voltage condition; Contact local utility if

needed

43 E43 HIGH LINE VOLT

Control detects a high power supply

voltage condition.

High line voltage supply

Verify unit is connected to power supply as specified

on rating plate

Correct high line voltage condition; Contact local utility

if needed

44 E44 OP TEMP RANGE

The control detects the outdoor

temperature outside recommended

operational range. Unit may continue to

operate normally.

Ambient air conditions too high or low

Cycle power; re-try during usable ambient temperature

range

45 E45 NO COOLING TEST

The control is unable to start the Cooling

mode test because indoor heat has been

turned on by thermostat. Please set

thermostat to off position.

Heat provided by secondary heating source

Turn off heater using thermostat before running AHRI

mode

46 E46 NO HEATING TEST

The control is unable to sart the Heating

mode test becaue indoor heat has been

turned on by thermostat. Please set

thermostat to off position.

Heat provided by secondary heating source

Turn off heater using thermostat before running AHRI

mode

47 E47 NO SYS VER TEST

The control is unable to start the System

Verification test because indoor heat has

been turned on by thermostat. Please set

thermostat to off position.

Heat provided by secondary heating source Turn off heater using thermostat before operation

BTSDL01 not correct.

vs. air conditioner model

(*1) This message is displayed when using the CTK04 thermostat

(*2) Network communication error (Refer to “NETWORK TROUBLESHOOTING”)

Troubleshooting

(*1) This message is displayed when using the CTK04 thermostat

ClimateTalk

Fault Code

PCB LED

Display

Transmitted ClimateTalk

Message

snoitcA evitcerroCsesuaC elbaborPtluaF tatsomrehT

53 -

PCB PR FAN MIN

This error indicates the equipment is

experiencing frequent outdoor control

board and/or motor faults.

Control has determined continued

operation is acceptable. This indicates

there may be a problem with the

equipment.

Obstruction in fan rotation

Ooutdoor fan motor not connected properly

Outdoot fan not running

Faulty control board

Noise

Check and clean grille of any debris

Check wiring from outdoor fan motor to control board;

Repair if needed

Check outdoor fan motor & wiring; Repair/replace if

needed

Replace control board if necessary

54 -

EEV MINOR

This error indicates the equipment is

experiencing frequent low discharge

superheat faults.

Control has determined continued

operation is acceptable. This indicates

they may be a problem with the

equipment.

Thermistors inoperable or improperly

connected

Faulty TXV

Faulty control board

Check the connection to thermistors; Repair/replace if

needed

Check TXV; Replace if needed

Replace control board if necessary

55 -

HI DIS TEMP MIN

This error indicates the equipment is

experiencing frequent high discharge

temperature faults. Control has

determined continued operation is

acceptable. This indicates they may be a

problem with the equipment.

Discharge thermistor inoperable or

improperl

connected

Discharge thermistor is put on incorrect

position or off

Low refrigerant charge

Overcharge

Faulty compressor

Check discharge thermistor resistance and

connections; Repair/replace as needed

Check discharge thermistor position

Check refrigerant charge level; Adjust if needed

Check the compressor; Repair/replace if needed

57 -

CL LOOP SWEAT

This indicates the control is sensing

sweating on the cooling loop.

Refrigerant Leak

Low refrigerant charge

Faulty TXV

Thermistors inoperable or improperly

connection

Test for system leaks using leak test procedure

Check refrigerant charge level; Adjust if needed

Check TXV; Replace if needed

Check the connection to thermistors; Repair/replace

if needed

B0 Eb0 NO ID AIRFLOW

The estimated airflow from indoor

subsystem is near to 0 CFM.

Failed indoor blower motor

Indoor fan motor not properly connected

Too much static pressure

Check ID fan motor wiring and connectors;

Repair/replace if needed

Check ID fan motor; Replace if needed

B9 Eb9 LOW ID AIRFLOW

Estimated airflow from motor is lower

than the airflow requirement.

Failed indoor blower motor

Indoor fan motor not properly connected

Too much static pressure

Check ID fan motor wiring and connectors;

Repair/replace if needed

Check ID fan motor; Replace if needed

D0 Ed0 NO NET DATA

Control board does not have the

necessary data for it to properly perform

its functions.

Air conditioner is wired as part of a

communicating system and integrated control

module does not contain any shared data.

Replace control board if necessary

Re-write shared data using Bluetooth® Shared Data

D1 Ed1 INVALID DATA

Control board does not the appropriate

data needed to properly perform its

functions.

Air conditioner is wired as part of a

communicating system and integrated control

module contains invalid shared data or network

data is invalid for the integrated control module.

Replace control board if necessary

Re-write shared data using Bluetooth® Shared Data

D2 Ed2 INVALID SYSTEM

The airflow requirement is greater than

the airflow capability of the indoor

subsystem.

Air conditioner/heat pump is wired as part

of a communicating system and outdoor unit

requires airflow greater than indoor unit's

airflow capability

Shared data is incompatible the system or

missing parameters

Communication wiring has loose connection.

Verify shared data is correct for your specific model;

Repopulate data if required

Check communication wiring. Repair as needed.

D3 Ed3 INVALID CONFIG

There is a mismatch between the shared

data and the control physical hardware.

Shared data sent to integrated control module

does not match hardware configuration.

Verify shared data is correct for your specific model;

Repopulate data if required.

D4 Ed4 INVALID MC DATA

The Bluetooth® Shared Data Loader BTSDL01

Shared data on the Bluetooth® Shared

Data Loader BTSDL01has been rejected.

Verify shared data is correct for your specific model;

Repopulate data if required.

11 E11 RUN SYS TEST

This test is required at startup. Installer

should navigate to the ComforrtNet User

Menu, choose Air Conditioner, then EQUIP

TEST and SYSYTEM TEST. Selecting ON

will run the required test. Display will clear

once testing is complete.

Incomplete SYSTEM TEST

SYSTEM TEST is running

Run the SYSTEM START-UP TEST.

Items below are messages only displayed on the thermostat screen.

Loader BTSDL01.

data has been rejected.

(See the installation manual of the outdoor unit, “STEP3.

SYSTEM START-UP TEST”)

NOTE: For service information related to the Bluetooth® Shared Data Loader BTSDL01

referenced in this manual, please refer to the installation instructions for the BTSDL01 at

www.coolcloudhvac.com/loaderuserguide.

Network Troubleshooting

If a network communication error code has occurred, use

the following steps to help troubleshoot the system. (For

network communication error codes, refer to the table

below and the tables of error codes for outdoor unit and

indoor unit.)

After any wiring changes have been made or DS1 dip

switches on the outdoor unit control board have been

changed, apply power to the system and see if the error

codes have cleared.

1. Conrm low voltage wiring is correct per installation

instructions. Check for miswiring. (i.e. Terminal 1 and

2 is reversed.)

NOTE: A removable plug connector is provided

with the control to make thermostat wire

connections. This plug may be removed, wire

connections made to the plug, and replaced. It is

STRONGLY recommended that you do not connect

more than two wires into a single terminal in the

field because there is a risk of the wires becoming

loose, which may result in intermittent operation.

2. Check wires for damage. (i.e. Broken wire at terminal,

broken inside wire nuts or damaged cable between

units.)

3. Perform continuity check on wires to make sure cable

is OK. Replace the cable if necessary.

4. Change both dip switches of DS1 on the outdoor unit

control board to the opposite position. See image

below.

The integrated control module has some on board tools

that can be used to troubleshoot the network. These tools

are: red communications LED, green receive (Rx) LED,

and the Learn button.

• Red communications LED - Indicates the status of

the network. The table below indicates the LED status

and the corresponding potential problem.

• Green receive LED - Indicates network tra󰀩c.

The table below indicates the LED status and the

corresponding potential problem.

• Learn button - Used to reset the network. Press

the button for approximately 5 seconds to reset the

network.

LED Color LED Status Indication Probable Causes

Corrective Actions

Off Normal Condition

• None • None

1 Flash Communications Failure

• Unknown packet is received

• Communications failure

• Depress Learn button

• Verify wiring connection

2 Flash Out-of-box reset

• Control power up

• Learn button depressed

• None

Off

No power

Communications error

• No power to unit

• Open fuse

• Communication error

• Check circuit breakers and fuses;

Reset/Replace if needed

• Reset network by depressing Learn button

• Check communication wires (Terminal

1/Terminal 2 wires); Replace if needed

• Check for shorts in low voltage wiring.

1 Steady

Flash

No network found

• Broken/disconnected communication

wire(s)

• Unit is installed as a legacy/traditional

system

• Check communication wires (Terminal

1/Terminal 2 wires); Replace if needed

• Check installation type (legacy/traditional or

communicating)

Rapid Flashing Normal network traffic

• Control is "talking" on network as

expected

• None

On Solid Terminal 1/Terminal 2 mis-wire

• Terminal 1 and Terminal 2 wires reversed

at indoor unit, thermostat, or outdoor unit

• Short between Terminal 1 and Terminal 2

wires

• Short between Terminal 1 or Terminal 2

two wires and Terminal C (24VAC) or

Terminal R (24VAC, COM)

• Check communication wires (Terminal

1/Terminal 2 wires); Replace if needed

Red Communications LED Outdoor

unit control board: (H1P)

Indoor unit control board: (H2P)

Green Receive LED Outdoor unit

control board: (H2P)

Indoor unit control board: (H3P)

MODE DISPLAY INTRODUCTION

SEG1

SEG2

SEG3

TEST

RECALL LEARN

A 3-digit display is provided on the printed circuit board (PCB)

as a backup tool to the thermostat for reading faults, fault history,

monitoring and setting up the unit. Follow the information

provided in this section to learn how to use the mode display.

DISPLAY

The display consists of 3 digits.

DISPLAY BUT TON LAYOUT

The display buttons shown can be used to navigate and select items:

MODES

There are 5 modes which can be accessed using the setting display:

and

To enter any of these modes, use the schemes shown in this section. Each mode has its

own corresponding “Screen #” within the display itself which allows the user to navigate

and use the features. (Example: The Fault Code is accessed and displayed from

“Screen 0” of the 7-segment display. The Fault History is accessed and display using

“Screen 1” of the display, etc.)

FAULT CODE, FAULT HISTORY, MONITORING, SETTING MODE 1 SETTING MODE 2.

MODE

Fault Code Display

Fault Code History

Monitoring Mode

Setting Mode 1

Setting Mode 2

FUNCTION

Present fault (if any).

6 Recent faults stored.

*Monitors system values.

*Can change system

*Can change system settings.

settings

DISPLAY SCREEN #

0 (Default)

OFF

Blink interval: 0.4 sec. On - 0.4 sec. Off

*See tables at the end of this section.

TEST

RECALL

LEARN

Examples of button layout are shown above.

Identify correct display buttons on your unit PCB.

Setting The Mode Display

< SCREEN 0 >

< SCREEN 1 >

< SCREEN 2 >

Press RECALL Button

to change fault code history

Hold RECALL

and TEST

NAVIGATING THROUGH THE DISPLAY SCREENS

SCREEN 0

SCREEN 1

SCREEN 2

SCREEN 3

SCREEN 4

The home or default screen on the display. This shows the most recent fault.

To access, hold the RECALL button for 5 seconds at screen 0.

To access, hold the RECALL button for 5 seconds at screen 1.

To access, hold the RECALL button .

To access, hold the RECALL and TEST buttons simultaneously

To return to SCREEN 0 of the display, press the LEARN button.

for 5 seconds at screen 2

for 5 seconds at screen 2.

The first digit displays the SCREEN #.

Hold RECALL

Press LEARN

Hold

RECALL

Hold

RECALL

Press RECALL

to change Fault code history.

Displays most recent Fault code.

Press LEARN

FAULT CODE HISTORY NAVIGATION

< SCREEN

This mode will allow the user to see the six most recent system faults.

For a list of the fault codes, please see the TROUBLESHOOTING tables in this document.

< SCREE

N 0 >

< SCREEN 1 >

The display will change to

< SCREEN 1 >.

Displays 2nd most recent Fault code.

(6th most recent Fault Code)

Hold RECALL

Press RECALL.

Press

RECALL

Setting The Mode Display

< SCREEN 2 >

Press LEARN

< SCREEN 0 >

< SCREEN 1 >

Press RECALL

to increase the value.

Press TEST

to confirm the setting.

Press RECALL.

Press

RECALL

Item number

Display flickers

at 1 second

intervals.

Value

MONITORING MODE NAVIGATION

< SCR

This screen allows the user to monitor

system variables as shown in the tables

at the end of this section.

EEN 2 >

OFF

Blink interval:

0.4 sec. On - 0.4 sec. Off

Hold RECALL

Press RECALL.

Setting The Mode Display

Hold RECALL.

SETTINGS MODE 1 NAVIGATION

< SCREEN 3 >

Setting Mode 1 allows the user to adjust

system settings as shown in the tables

at the end of this section.

< SCREEN 0 >

Press

RECALL.

Press RECALL

to increase the value.

Press TEST

to change setting.

Press RECALL.

Press TEST to complete setting and return to setting mode.

< SCREEN 2 >

Press LEARN.

< SCREEN 3 >

Press RECALL.

OFF

Blink interval:

0.4 sec. On - 0.4 sec. Off

Setting The Mode Display

Press LEARN.

< Changing setting display >

Hold RECALL and TEST.

< SCREEN 4 >

SETTINGS MODE 2

< SCREEN 2 >

Press RECALL

to increase the number.

Press RECALL.

Press TEST

to change setting.

Press

RECALL

Press TEST to complete setting and return to setting mode.

Press

RECALL.

Press RECALL.

< SCREEN 0 >

OFF

Blink interval:

0.4 sec. On - 0.4 sec. Off

Press RECALL.

< SCREEN 4 >

Setting Mode 2 allows the user to

change system settings. See table

in back of this section.

7-Segment Display

SCREEN 0 (Display FAULT CODE)

Setting

No.

Contents

Notes

1 Fault code (present)

SCREEN 1 (Display FAULT CODES)

Setting

No.

Contents Notes

1 Fault code (latest) Latest

2 Fault code (2nd) 2nd

3 Fault code (3rd) 3rd

4 Fault code (4th) 4th

5 Fault code (5th) 5th

6 Fault code (6th) 6th

SCREEN 2 (MONITOR MODE)

Setting

No.

Contents Notes

1 Compressor operation time

unit

：

hr (Multiply by 200,)

Operation code

0: Stop

1: Cooling Start-up

2: Heating Start-up

3: Oil Return Operation

4: Heating Operation

5: Defrost Operation

6: Cooling Operation

3 Compressor Reduction Mode 0:OFF,1:ON

4 % demand

unit

：

(Cut off the decimal first place.)

act % demand

unit

：

(Cut off the decimal first place.)

6 Requested ID CFM unit

：

CFM (Multiply by 10)

7 Reported ID CFM unit

：

CFM (Multiply by 10)

8 Outdoor FAN RPM unit

：

RPM (Multiply by 10)

9 Ta (Outdoor Air Temperature) unit

：

10 Td (Discharge Temperature) unit

：

11 Tm (Outdoor Coil Temperature) unit

：

12 Tb (Defrost Sensor Temperature) unit

：

13 Tl (Liquid Temperature) unit

：

14 Pressure Sensor unit

：

PSI

7-Segment Display

Setting No. Contents Installer/Serviceman Notes

Cool Airflow Trim High

*1,*2

0: -15% 2: -5% 4: 5% 6: 15%

1: -10% 3: 0% 5: 10%

2 Cool Airflow Trim Int 0: -15% 3: 0% 6: 15% 9: Full(Max)*³

1: -10% 4: 5% 7: 20%

2: -5% 5: 10% 8: 30%

3 Cool Airflow Trim Low 0: -15% 3: 0% 6: 15% 9: Full(Max)*³

1: -10% 4: 5% 7: 20%

2: -5% 5: 10% 8: 30%

4 Cool Profile 0: A 1: B 2: C 3: D

5 Cool Fan ON Delay 0: 5sec. 1: 10sec. 2: 20sec. 3: 30sec.

6 Cool Fan OFF Delay 0: 30sec. 1: 60sec. 2: 90sec. 3: 120sec.

Dehumidification Select

0: STD 2: A 4: C

1: OFF 3: B

Airflow Trim Offset

*1,*2

0: 0% 1: +2.5%

Used for additional trim setting by

adding 2.5% to basic airflow trim

setting. This setting affects all trim

settings except +15% High (cooling or

heating).

NOTE: Parameters as per factory setting are highlighted in bold and underlined.

*1 *VXC200601 with **VC960804C, **VM970804C and MVC800804C combination trim more than 5% settings are invalid.

Trimmed up CFM makes miss matching error.

*2 Depending on the connected indoor unit, there are restrictions on the positive side Trim setting.

If you want to change the Cool Airflow Trim to positive side, be sure to confirm the Airflow Trim restrictions in the

latest indoor unit installation manual.

The latest manual can be obtained from the website "PartnerLink(InfoFinderPlus/Literature)".

[PartnerLink URL]

https://partnerlinkmarketing.goodmanmfg.com/goodman/info-finder-plus

*3 The Inverter system uses lower compressor speed and lower indoor unit CFM to optimize system performance.

To obtain 100% CFM for home circulation, use full Trim setting instead of Int/Low speed.

This is recommended for applications with unusually cold return temperatures such as basements.

*4 Please refer to the page of "DEHUMIDIFICATION SELECT" for details of this function.

Setting

SCREEN 3 (SETTING MODE 1)

Setting No. Contents Setting Installer/Serviceman Notes

1 Maximum Defrost Interval

0:30 min

1: 60min.

2: 90min.

3: 120min.

2 Set Maximum Current N/A Future Use

3 Vertical Rise

0: Same Level

1: Outdoor Lower

2: Indoor Lower

4 System Verification Test (System Test)

0: ON 1: OFF

8 Pump Down

0: ON 1: OFF

9 Charge Mode

0: ON 1: OFF

10 Maximum Compressor RPS for Cooling *

12 BOOST MODE Selection

0: ON 1: OFF

13 BOOST MODE Temperature

0: 105F, 1: 100F,

2: 95F, 3: 90F, 4: 85F,

5: 80F, 6: 75F, 7: 70F,

8: Always ON

* Depends on tonnage. Can adjust compressor RPS in each 0.5 RPS.

NOTES:

• Parameters as per factory setting are highlighted in bold and underlined.

• BOOST MODE is applicable only for AVXC200**AB and GVXC20**AA or later revision.

Screen 4 (Setting Mode 2)

https://partnerlinkmarketing.goodmanmfg.com/goodman/info-nder-plus

SPLIT SYSTEMS

AIR CONDITIONING AND HEAT PUMP HOMEOWNER’S

ROUTINE MAINTENANCE RECOMMENDATIONS

We strongly recommend a bi-annual maintenance checkup be performed

before the heang and cooling seasons begin by a

qualiﬁed servicer.

EPLACE OR

LEAN

ILTER

IMPORTANT NOTE: Never operate unit without a ﬁlter installed as

dust and lint will build up on internal parts resul�ng in loss of

eﬃciency, equipment damage and possible ﬁre.

An indoor air ﬁlter must be used with your comfort system. A

properly maintained ﬁlter will keep the indoor coil of your com-

fort system clean. A dirty coil could cause poor opera�on and/or

severe equipment damage.

Your air ﬁlter or ﬁlters could be located in your furnace, in a

blower unit, or in “ﬁlter grilles” in your ceiling or walls. The in-

staller of your air condi�oner or heat pump can tell you where

your ﬁlter(s) are, and how to clean or replace them.

Check your ﬁlter(s) at least once a month. When they are dirty,

replace or clean as required. Disposable type ﬁlters should be

replaced. Reusable

type ﬁlters may be cleaned.

You may want to ask your dealer about high eﬃciency ﬁlters. High

eﬃciency ﬁlters are available in both electronic and non-elec-

tronic types. These ﬁlters can do a be�er job of catching small

airborne par�cles.

OMPRESSOR

The compressor motor is herme�cally sealed and does not re-

quire addi�onal oiling.

OTORS

Indoor and outdoor fan motors are permanently lubricated and

do not require addi�onal oiling.

LEAN

UTSIDE

OIL

UALIFIED

ERVICER

NLY

)

Air must be able to ﬂow through the outdoor unit of your comfort

system. Do not construct a fence near the unit or build a deck or

pa�o over the unit without ﬁrst discussing your plans with your

dealer or other qualiﬁed servicer. Restricted airﬂow could lead to

poor opera�on and/or severe equipment damage.

Likewise, it is important to keep the outdoor coil clean. Dirt, leaves,

or debris could also restrict the airﬂow. If cleaning of the outdoor

coil becomes necessary, hire a qualiﬁed servicer. Inexperienced

people could easily puncture the tubing in the coil. Even a small

hole in the tubing could eventually cause a large loss of refriger-

ant. Loss of refrigerant can cause poor opera�on and/or severe

equipment damage.

Do not use a condensing unit cover to “protect” the outdoor unit

during the winter, unless you ﬁrst discuss it with your dealer. Any

cover used must include “breathable” fabric to avoid moisture

buildup.

•

Check the thermostat to conﬁrm that it is properly set.

•

Wait 15 minutes. Some devices in the outdoor unit or in

programmable thermostats will prevent compressor

opera�on for awhile, and then reset automa�cally. Also,

some power companies will install devices which shut oﬀ

air condi�oners for several minutes on hot days. If you

wait several minutes, the unit may begin opera�on on its

own.

O AVOID THE RISK OF EQUIPMENT DAMAGE OR FIRE

INSTALL

THE SAME AMPERAGE BREAKER OR FUSE AS YOU ARE

REPLACING

. I

F THE CIRCUIT BREAKER OR FUSE SHOULD OPEN

AGAIN WITHIN THIRTY DAYS

CONTACT A QUALIFIED SERVICER

TO CORRECT THE PROBLEM

F YOU REPEATEDLY RESET THE BREAKER OR REPLACE

THE FUSE WITHOUT HAVING THE PROBLEM CORRECTED

YOU RUN THE RISK OF SEVERE EQUIPMENT DAMAGE

EFORE

ALLING

OUR

ERVICER

• Check the electrical panel for tripped circuit breakers or

failed fuses. Reset the circuit breakers or replace fuses as

necessary.

•

Check the disconnect switch near the indoor furnace or

blower to conﬁrm that it is closed.

•

Check for obstruc�ons on the outdoor unit . Conﬁrm that it

has not been covered on the sides or the top. Remove any

obstruc�on that can be safely removed. If the unit is

covered with dirt or debris, call a qualiﬁed servicer to clean

it.

•

Check for blockage of the indoor air inlets and outlets.

Conﬁrm that they are open and have not been blocked by

objects (rugs, curtains or furniture).

•

Check the ﬁlter. If it is dirty, clean or replace it.

•

Listen for any unusual noise(s), other than normal opera�ng

noise, that might be coming from the outdoor unit. If you

hear unusual noise(s) coming from the unit, call a qualiﬁed

servicer.

CTK04 ADDENDUM

Two Wire Outdoor, Four-Wire Indoor Wiring

Low voltage wiring consists of two wires between the indoor unit and condensing unit and four wires between the indoor unit

and thermostat. The required wires are data lines 1 and 2, “R” (24 VAC hot) and “C” (24 VAC common). Never connect the

power wiring to communication terminal (1, 2, R, C).

ATTENTION INSTALLER - IMPORTANT NOTICE!

Please read carefully before installing this unit.

• For *VXC*, do not install the 24 Volt Transformer that is included with the CTK04 Thermostat in the

Condensing Unit; it is not needed.

• Do not attach any wires to the R & C Terminals on the Condensing Unit, as they are not needed for

inverter unit setup.

• Data line terminals #1 and #2 are polarity sensitive. Only the data lines, 1 and 2, are required between the

indoor and outdoor units.

• Data line terminal #1 from outdoor unit must connect to terminal #1 on indoor unit and data line terminal

#2 from outdoor unit must connect to terminal #2 on indoor unit. Verify wires are not reversed.

• To wire the system components, it is strongly recommended to use the same type and the same gague for

the wires prepared in the eld (for best results use 18 AWG).

• It is strongly recommended that you do not connect more than two wires into a single terminal in the eld

because there is a risk of the wires becoming loose.

• Calculate the Liquid Line Set length and weigh in 0.6 ounces per foot of R410A refrigerant for any length

over 15 feet.

• Charge by Sub-cooling.

Sub-cooling should be 8°F ± 1°F (10°F ± 1°F only for *VXC20060**). After adjusting charge, please allow

at least 20 minutes for the system to stabilize before making further charge adjustment.

System Start-up Test

INITIAL

POWER

START

THE

OUTDOOR

UNIT

WILL

DISPLAY

CODE

E11,

SIGNALING

THAT

INITIAL

SYSTEM

TEST

MUST

RUN

. F

OLLOW

THE

OMFORT

™

SETUP

SCREEN

ENTER

APPLICATION

UNIQUE

INFORMATION

. S

OMFORT

THERMOSTAT

MANUAL

FOR

DETAILED

INFORMATION

NOTICE

A system test is now required to check the equipment

settings and functionality. Once selected, it checks the

equipment for approximately 5 - 15 minutes. System test

may exceed 15 minutes if there is an error. Refer to

the Troubleshooting section.

Before starting the SYSTEM TEST, turn o󰀨 the electric heater

or gas furnace.

NOTICE

Before starting the SYSTEM TEST, turn off the electric

heater or gas furnace.

1. Ensure the thermostat is installed.

2. Apply power to outdoor and indoor units.

3. Start-up.

After the application information is entered,

the initial system test must be run.

INVERTER

SYSTEM

USING

OMFORT

NOT

INSTALL

TRANSFORMER

A/C

NOTICE

The HOME screen will be displayed showing

information similar to one of the adjacent screens.

Select MENU.

NOTE: Either screen may be displayed.

SYSTEM TEST must be run for all installations.

System will not operate without a completed initial

SYSTEM TEST.

NOTE: Ensure the thermostat is in OFF mode.

4. From the MENU screen, scroll down and select

COMFORTNET™ USER MENU.

5. Enter Installer password. (The password is the Date

Code located on the thermostat and is available by

entering the EQUIPMENT STATUS menu and

scrolling to the bottom.)

6. Select YES to continue.

7. From the ComfortNet USER MENU,

select AIR CONDITIONER.

NOTE: Screen may show air handler

or furnace depending on the type of system installed.

8. Next, scroll down and select EQUIP TEST.

9. Select SYSTEM TEST.

10. Select ON to run the SYSTEM TEST.

Press DONE to initiate test.

11. Allow the system test to run for its duration

(5-15 minutes). EQUIP TEST SCREEN will

show the system test is ON once selected.

System test will operate the outdoor unit and the

indoor unit through a series of startup tests.

Please proceed to the next step and allow for

startup tests to complete. Do not interrupt power

to outdoor unit, indoor unit, or thermostat

during system test.

12. Press Previous Menu button and navigate to

HOME screen and allow test to nish. The display

similar to the one at the right will be displayed

after SYSTEM TEST completes. Test is complete

only when CODE 11 notice clears from BOTH the

thermostat display AND the seven segment LED

display on the outdoor unit. Please wait for test to

complete and for both codes to clear.

Set Thermostat to CHARGE MODE

Please follow the following sequence to enter CHARGE

MODE.

CHARGE mode allows for charging of the system. System

operates for a duration of approximately one hour while

the equipment runs at full capacity. After one hour, the

CHARGE MODE ends and the system resumes normal

thermostat operation.

Before starting the CHARGE MODE, turn o󰀨 the electric

heater or gas furnace.

1. On the HOME screen, select MENU.

NOTE: Set COOL MODE to OFF before starting

CHARGE MODE.

2. From the MENU screen, select

COMFORTNET™ USER MENU.

off

3. Enter Installer password. (The password

is the Date Code located on the thermostat

and is available by entering the

EQUIPMENT STATUS menu and

scrolling to the bottom).

4. Select YES to continue.

5. Select Air Conditioner.

6. Select MAINTENANCE.

7. Select CHARGE MODE.

8. Select ON. Press DONE to initiate CHARGE mode.

(System will then run for 1 hour and either return to

cooling mode if the thermostat is set for COOL mode,

or stop if the thermostat is set for FAN or HEAT mode.)

If charging is not complete after 1 hour, repeat

7. and 8.

Refer to “Adjust Refrigerant Level” and “Measure

Subcooling to Verify Proper Charge” for refrigerant

charge level adjustment.

9. To terminate CHARGE MODE, select CHARGE

mode screen again. Press OFF. Press DONE to

terminate CHARGE MODE.

10. Once CHARGE MODE is complete and has been

terminated, navigate to HOME screen. Enter

normal operation with temperature o󰀨set or thermostat

schedule, as desired.

off

Field Selectable Boost Mode

BOOST MODE enables the system to operate at increased

compressor speed to satisfy unusual high loads. BOOST

MODE is BOOST MODE is initiated by an outdoor tempera-

ture sensor located in the outdoor unit. Please note that out-

door equipment operational sound levels may increase while

the equipment is running in BOOST MODE. Disabling BOOST

MODE will provide the quietest and most e󰀩cient operation.

NOTE: BOOST MODE applies to AVXC200**AB and

GVXC20**AA or later model revisions. BOOST MODE per-

formance is most e󰀨ective when paired with an electronic

expansion valve enabled indoor unit.

NOTE: BOOST MODE is ON by default and is activated

when the outdoor temperature reaches 105° F. BOOST

MODE can be disabled and enabled and the activation

temperature adjusted in the BOOST TEMP menu using the

following procedure:

1. On the CTK04 HOME screen, select MENU.

2. From the MENU screen, select COMFORTNET™

USER MENU.

3. Enter Installer password if known. The password is the

thermostat date code and can obtained by selecting the

red Cancel button and selecting the Dealer information

button. Once recorded, click the green OK button and

return to the previous step.

4. Select YES to continue.

5. Select AIR CONDITIONER.

6. Select SYS SETUP.

Menu > ComfortNet User Menu

Help

Air Handler

Help EQUIP TEST

SYS SETUP

MAINTENANCE

COOL SET-UP

7. BOOST MD turns BOOST MODE OFF or ON. BOOST

MODE is on by default.

8. BOOST TEMP adjusts the activation temperature from

70° F to 105° F. “Always ON” option is also available to

permanently engage BOOST MODE. Factory default is

105° F.

Help

Previous

VERTICAL RISE:

SET MAX CURRENT: OFF

BOOST MD: ON

BOOST TEMP: Always On

Outdoor

Lower

Help

Previous

VERTICAL RISE:

SET MAX CURRENT: OFF

BOOST MD: ON

BOOST TEMP: 105F

Outdoor

Lower

Help

OFF

Done

Cancel

Help

70F

Always On

Done

Cancel

75F

9. Once satisfied with BOOST MODE adjustments,

navigate to the HOME screen by selecting the Previous

Menu button three times then selecting HOME.

Dehumidification

The thermostat reads the indoor humidity level from the

CTK04 and allows the user to set a dehumidication target

based on these settings. The thermostat controls the humid-

ity level of the conditioned space using the cooling system.

Dehumidication is engaged whenever a cooling demand is

present and structural humidity levels are above the target

level. When this condition exists, the circulating fan output is

reduced, increasing system run time, over cooling the evap-

orator coil and ultimately removing more humidity from the

structure than if only in cooling mode. The CTK04 also allows

for an additional overcooling limit setting from 0°F to 3°F set-

up through the Installer Option menu (directions following).

This allows the cooling system to further reduce humidity by

lowering the temperature up to 3°F below the cooling setpoint

in an attempt to better achieve desired humidity levels.

By default, dehumidication needs to be turned ON at the

thermostat via the Dehumidication Equipment menu. De-

humidication can be activated at the original equipment

setup by selecting the A/C with Low Speed Fan button in

the Dehumidication Menu. Availability can be veried by

pressing MENU on the home screen. Scroll down and if a De-

humidication button is present, dehumidication is activated.

If Dehumidication is not available in the menu then it must

be enabled through the Installer Options menu. Use the

following procedure to enable and disable dehumidication:

1. On the CTK04 HOME screen select MENU.

2. From the MENU screen, scroll down and select Installer

Options.

3. Enter installer password if known.

a. The password is the thermostat date code and can

be obtained by selecting the red Cancel button and

selecting the Dealer Information button.

b. Once recorded, click the green OK button and

return to the previous step.

4. Select YES to continue.

5. Select View / Edit Current Setup.

6. Scroll down and select Dehumidication.

7. Once open select Dehumidication Equipment: None.

8. From the Dehumidication Menu select A/C with Low

Speed Fan and click the green Done button.

9. Additional Dehumidication operational options can be

selected in the resulting window.

10. Once satised with the selection, navigate to the HOME

screen by selecting the Done button and selecting Yes

to verify the changes.

11. Select Previous Menu, then the HOME to return to the

main menu.

Dehumidification Tips

For e󰀨ective dehumidication operation:

• Ensure “Dehum” is NOT set to OFF through the

Installer Options menu and/or in the ComfortNet User

Menu (COOL SETUP).

- If except OFF, the Dehumidication menu should

be visible in the main menu.

• Verify the cooling airow prole is set to “Prole D”.

• See the Cool Set-up section of the Installation

Manual for complete airow prole details.

• By default, “Dehum” is STD and the cooling airow

prole is set to “Prole D”.

• For additional dehumidication control, airow settings

are eld adjustable and can be ne-tuned to a value

that is comfortable for the application from a range of

Cool Airow Trim.

- In addition, the system can have Enhanced

Dehumidication operation in setting “A”, “B”, or “C” of

“Dehum” based on dehumidication demand.

- See the Dehumidication Select section of the

Installation Manual for more detail.

ComfortNet™ System

Overview

A ComfortNet inverter heating and air conditioning system

uses an indoor unit, outdoor unit and thermostat which digitally

communicate with one another via a two-way communica-

tions path. The thermostat sends commands to the indoor

and outdoor units. The thermostat may request and receive

information from both the indoor and outdoor units. This in-

formation may be displayed on the CTK04 thermostat. The

indoor and outdoor units also interact with one another. The

outdoor unit may send commands to or request information

from the indoor unit. This two-way digital communications

between the thermostat and subsystems (indoor/outdoor unit)

and between subsystems is the key to unlocking the benets

and features of the ComfortNet system.

Two-way digital communications is accomplished using only

two wires. The thermostat needs 24 VAC for power. 4 wires

between the indoor unit and thermostat plus two wires be-

tween the indoor unit and outdoor unit are all that are required

to operate the system.

ComfortNet System Advanced Features

The ComfortNet™ system permits access to additional sys-

tem information, advanced set-up features, and advanced

diagnostic/troubleshooting features. These advanced features

are organized into a menu structure. See the AIR CONDI-

TIONER ADVANCED FEATURES MENU section for the

menu layout.

Directions to Air Conditioner Advanced Fea-

ture Menus

Press MENU, scroll down and press COMFORTNET USER

MENU. Enter the date code (password) when prompted. The

date code is printed on the back of the thermostat; or press

MENU > EQUIPMENT STATUS and scroll down to nd the

date code. After you enter the password, select COMFORT-

NET USER MENU, answer YES to the following menu and

select AIR CONDITIONER to view the system menus.

Diagnostics

The air conditioner’s diagnostics menu provides access to the

most recent faults. The six most recent faults are displayed

on the rst screen. Six additional faults are displayed under

fault history. Faults are stored in order from most recent to

least recent. Any consecutively repeated fault is stored a

maximum of three times. Example: A leak in the system, low

refrigerant charge or an incompletely open stop valve can

cause the unit to ash error code E15. This error code sug-

gests that the unit is experiencing operation at low pressure.

The control will only store this fault the rst three consecutive

times the fault occurs.

NOTE: It is highly recommended that the fault list be cleared

after performing maintenance or servicing the air handler.

Status

This menu displays information about the systems current

status. This menu can be utilized to conrm correct func-

tionality of the equipment and for troubleshooting purposes.

The following items will be displayed:

TS Time Stamp

MD Mode

CRM Compressor Reduction Mode

RAD Requested and Actual % Demand

RAF Requested and Reported ID CFM

ATOF*

Outdoor Air Temperature

and Outdoor Fan RPM

DCT

Discharge Temperature

and Outdoor Coil Temperature

DLT

Outdoor Liquid Temperature

PSDST**

Pressure Sensor and Outdoor

Suction Temperature

* Only for AVXC200**1AB or later revision.

ATPRM is shown in AVXC200**1AB or later revision.

** Only for AVXC200**1AB or later revision.

PSD is shown in AVXC200**1AA revision

and GVXC20**AA or later revision.

Time Stamp: Provides compressor run time in hours.

Mode: Current system operational mode (COOLING, COOL-

ING STARTUP, OIL RETURN, STOP).

Compressor Reduction Mode: The compressor is running

at a speed lower than what is requested, based on the

cooling load.

Requested and Actual % Demand: Compares the request-

ed cooling demand to what the equipment is providing. For

steady state operation, these number should match.

Requested and Reported ID CFM: Compares the requested

indoor airow to what the indoor equipment has reported.

Outdoor Air Temperature and Outdoor Fan RPM: Displays

the outdoor air temperature as well as the outdoor fan speed

(RPM).

Discharge Temperature and Outdoor Coil Temperature:

Displays the discharge temperature and outdoor coil tem-

perature sensor readings.

Outdoor Liquid Temperature: Displays liquid temperature

sensor readings.

Pressure Sensor: Displays the pressure sensor reading.

NOTE: Oil Return Mode: In order to properly return oil to

the compressor, compressor speed may periodically adjust

to assist oil circulation.

Equipment Test

The mandatory system verication test is enabled from this

menu, which enables a functional check of the equipment, in

addition to ensuring proper stop valve position.

Maintenance

Pump down and charge modes can be enabled within this

menu.

System Setup

This menu allows for the setting of BOOST MODE.

BOOST MODE enables the system to operate at a higher

compressor speed than maximum compressor speed.

BOOST MODE set temperature can be adjusted in BOOST

TEMP menu. When ambient temperature gets higher than

BOOST MODE set temperature, the system will operate in

BOOST MODE.

Equipment Test

The mandatory system verication test is enabled from this

menu, which enables a functional check of the equipment, in

addition to ensuring proper stop valve position.

Cool Set-up

This menu allows for the adjustment of several cooling

performance variables. Cool Airow Trim, Cool Airow

Proles, Cool Fan ON Delay, Cool Fan OFF Delay and

Dehumidication Select (some enable option or o󰀨) can

be adjusted in this menu. You can also reset this entire

menu to factory default settings. See the following images

showing the four cooling airow proles.

Cooling Airflow Profiles

• Prole A provides only an OFF delay of one (1) minute

at 100% of the cooling demand airow.

• Prole B ramps up to full cooling demand airow

by rst stepping up to 50% of the full demand for

30 seconds. The motor then ramps to 100% of the

required airow. A one (1) minute OFF delay at 100%

of the cooling airow.

50% CFM

1/2 min

100% CFM

1 min

OFF

• Prole C ramps up to 82% of the full cooling demand

airow and operates there for approximately 7 1/2

minutes. The motor then steps up to the full demand

airow. Prole C also has a one (1) minute 100% OFF

delay.

100% CFM

OFF

• Prole D (default) ramps up to 50% of the demand

for 1/2 minute, then ramps to 82% of the full cooling

demand airow and operates there for approximately

7 1/2 minutes. The motor then steps up to the full

demand airow. Prole D has a 1/2 minute at 50% airow

OFF delay.

OFF

Airow Tables

Dehumidification Select

Dehumidication requires a thermostat capable of reading

the indoor humidity level from the thermostat and allows

the user to set a dehumidication target based on these

settings.

The thermostat controls the humidity level of the conditioned

space using the cooling system. Dehumidication is

engaged whenever a cooling demand is present and

structural humidity levels are above the target level. When

this condition exists, the circulating fan output is reduced,

increasing system run time, over cooling the evaporator coil

and ultimately removing more humidity from the structure

than only if in cooling mode.

The thermostat may also allow for an additional overcooling

limit setting depending on the thermostat utilized. This

allows the cooling system to further reduce humidity

by lowering the temperature below the cooling setpoint

attempt to better achieve desired humidity levels.

When Dehumidication mode exists, the circulating fan

output is reduced, increasing system run time, over cooling

the evaporator coil and ultimately removing more humidity

from the structure than if only in cooling mode.

The system can have Dehumidication operation in setting

“STD”, “A”, “B” or “C” of “Dehumidication Select” based on

dehumidication demand.

Setting “STD” allows for the widest compressor operation

range with lower CFM than Cooling mode.

In the Enhanced Dehumidication (setting A, B and C)

the indoor airow is lower than Standard Dehumidication

(STD).

Setting “A” allows for the same compressor operation

range as standard Dehumidication with lower CFM than

standard dehumidication (STD).

Setting “B” limits compressor operation range and keeps

high dehumidication capacity.

In setting “C” the system runs xed at 100% compressor

and airow. See Figure 1.

NOTE: In high humidity environments, sweating on

supply ducts, cased coils or air handler cabinets

can become an issue in Enhanced Dehumidification

operation. It is strongly recommended covering

then with 2” fiberglass insulation for these

installations.

Figure 1

Cool Run Values

Depending on the system conguration, adjusting the maxi-

mum compressor RPS (revolutions per second) may be re-

quired. Necessary adjustments to the maximum compressor

RPS are made through the following sub-menus.

Maximum Compressor RPS Range for Cooling

Select the range that your maximum compressor RPS

falls within.

Maximum Compressor RPS Selection for Cooling

Within the selected range, choose the specic maximum

compressor RPS for the system conguration.

SUBMENU ITEM

INDICATION/USER

MODIFIABLE OPTIONS

COMMENTS

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Time Stamp (TS)

Mode (MD)

Compressor Reduc�on Mode (CRM)

Requested and Actual % Demand (RAD)

Requested and Reported ID CFM (RAF)

Outdoor Air Temperature and Outdoor Fan

RPM (ATOF*)

Discharge Temperature and Outdoor Coil

Temperature (DCT)

Defrost sensor and Outdoor Liquid

Temperature (DLT)

Pressure Sensor (PSDST**)

DIAGNOSTICS

STATUS

Provides compressor run �me in hours.

Displays the defrost temperature sensor and outdoor liquid temperature sensor reading.

Current system opera�on mode (COOLING, COOLING STARTUP, HEATING, HEATING STARTUP, DEFROST,

OIL RETURN, STOP).

Displays ON or OFF status. ON indicates that the reduc�on mode is oper

a�ng and the compressor is

running at a lower speed than the cooling load would normally require.

Displays a 0-100% value, based on a ra�o of the requested cooling demand to what the system is actually

providing.

Compares the requested indoor airﬂow to what the indoor equipment has reported.

Displays the outdoor air temperature as well as the outdoor fan speed (RPM).

Displays the discharge temperature and outdoor coil temperature s

ensor readings.

Displays the pressure sensor reading which is taken slightly upstream of the suc�on accumulator.

** Only for AVXC200**AB and GVXC20**AA or later revision. PSD is shown in AVXC200**AA and GVXC20**AA revision.

* Only for AVXC200**AB and GVXC20**AA or later revision. ATPRM is shown in AVXC200**AA and GVXC20**AA revision.

ONDITIONER

DVANCED

EATURE

ENU

STNEMMOCSNOITPO ELBAIFIDOM RESUMETI UNEMBUS

Reset System Setup Op�ons to Factory

Defaults

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VERTICAL RISE

Same Level, Outdoor Lower, or

Indoor Lower

If the outdoor & indoor units are within +/- 15 �. ver�cal distance,

select SAME LEVEL. If the outdoor unit is more than 15 �. below the

indoor unit, select OUTDOOR LOWER

. If the outdoor unit is more than

15 �. above the indoor unit, select INDOOR LOWER.

BOOST MODE (BOOST MD) ON or OFF

BOOST MD turns BOOST MODE OFF or ON. BOOST MODE is ON by

default. See BOOST MODE sec�on of this manual for more details.

BOOST MODE TEMPERATURE

(BOOST TEMP)

Always ON, 70, 75, 80, 85,

90, 95, 100, 105F

BOOST TEMP adjusts the ac�va�on temperature from 70°F to 105°F.

An "Always ON" op�on is also available to permanen

tly engage BOOST

MODE.

SYSTEM SETUP (SYS SETUP)

NOTE: BOOST MODE is only applicable for AVXC200**AB

and GVXC20**AA

or later revision.

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www.goodmanmfg.com•www.amana-hac.com

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NOTE: Specifications and performance data listed herein are subject to change without notice.

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Goodman GVXC200241 2 Ton 20 SEER Variable Speed Condenser

Product's Documents

GVXC20 Installation Instructions

Specifications

Goodman GVXC200241 Questions and Answers