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MULTI
F
MAX
MULTI
F
9
Product Data
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
GENERAL DATA
Table 1: 0XOWL)2XWGRRU8QLW6SHFL¿FDWLRQV
1
Rated capacity applied with non-ducted indoor units, and is rated 0 ft. above sea level
with 25 ft. of refrigerant line per indoor unit and a 0 ft. level difference between outdoor and
indoor units. All capacities are net with a combination ratio between 95 – 105%.
Rated cooling capacity obtained with air entering the indoor unit at 80ºF dry bulb (DB) and
67ºF wet bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet
bulb (WB).
Rated heating capacity obtained with air entering the indoor unit at 70ºF dry bulb (DB) and
60ºF wet bulb (WB) and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet
bulb (WB).
2
At least two indoor units must be connected. For allocated capacity information, see
the combination tables in the "Multi F / Multi F MAX Combination Data Manual" on www.
lghvac.com. For performance data, see "Multi F / Multi F MAX Performance Data Manual"
on www.lghvac.com.
3
Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745 and
are the same in both cooling and heating mode. These values can increase due to ambient
conditions during operation.
4
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the applicable local and national codes. For detailed information, please refer to electrical
characteristics on page 11.
5
Power wiring / communication cable to be minimum 14 AWG, 4-conductor from the
outdoor unit to the indoor unit, stranded, shielded or unshielded (if shielded, it must be
grounded to the chassis of the outdoor unit only), and must comply with applicable local
and national codes. For detailed electrical information, please refer to electric characteris-
tics on page 11.
6
Piping lengths are equivalent.
7
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cooling mode.
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Model Number LMU180HV LMU18CHV LMU240HV LMU24CHV
Cooling Capacity (Btu/h)
1
(Min.~Rated~ Max.) 8,400~18,000~21,600 8,400~17,000~19,000 8,400~23,600~25,000 8,400~20,000~25,000
Heating Capacity (Btu/h)
1
(Min.~Rated~ Max.) 10,080~22,000~25,000 10,248~22,000~24,000 10,080~24,600~29,000 9,240~24,000~28,800
Operating Range
Cooling (°F DB) 14
7
to 118 14
7
to 118 14
7
to 118 14
7
to 118
Heating (°F WB) -4 to +64 -4 to +64 -4 to +64 -4 to +64
Compressor
Inverter Quantity Twin Rotary x 1 Twin Rotary x 1 Twin Rotary x 1 Twin Rotary x 1
Oil/Type FVC68D FVC68D FVC68D FVC68D
Fan (Side Discharge)
Type Propeller Propeller Propeller Propeller
Motor Output (W) x Qty. 85.4 x 1 85.4 x 1 85.4 x 1 85.4 x 1
Motor / Drive Brushless Digitally Controlled / Direct
Maximum Air Volume (CFM) 1,766 1,766 1,766 1,766
Unit Data
Refrigerant Type R410A R410A R410A R410A
Refrigerant Control/Location EEV / Outdoor Unit EEV / Outdoor Unit EEV / Outdoor Unit EEV / Outdoor Unit
Min. Number Indoor Units / System
2
2222
Max. Number Indoor Units / System
2
2233
Maximum Allowable Total Indoor Unit
Connected Capacity (Btu/h)
24,000 24,000 33,000 33,000
Sound Pressure (Cooling / Heating) dB(A)
3
49 / 54 49 / 52 50 / 54 49 / 52
Net Unit Weight (lbs.) 101 100 101.4 100
Shipping Weight (lbs.) 109.8 108 110.2 108
Power Wiring / Comm. Cable (No. x AWG)
4,5
4C x 14 4C x 14 4C x 14 4C x 14
Heat Exchanger
Material and Fin Coating Copper Tube/Aluminum Fin and GoldFin™/Hydrophilic
Rows / Columns/Fins per inch x Qty. (2 x 28 x 14) x 1 (2 x 28 x 14) x 1 (2 x 28 x 14) x 1 (2 x 28 x 14) x 1
Piping
Liquid Line Connection (in., OD) x Qty. 1/4 x 2 1/4 x 2 1/4 x 3 1/4 x 3
Vapor Line Connection (in., OD) x Qty. 3/8 x 2 3/8 x 2 3/8 x 3 3/8 x 3
Factory Charge lbs. of R410A 3.97 3.96 3.97 3.96
Piping Lengths
Maximum Total Piping (ft.)
6
164.0 164.0 230.0 246.1
Max. Outdoor Unit to Indoor Unit Piping (ft) 82.0 82.0 82.0 82.0
Piping Length (No Additional Refrigerant [ft]) 98.4 49.2 98.4 73.8
Max. Elevation between Outdoor Unit and
Indoor Unit (ft.)
49.2 49.2 49.2 49.2
Max. Elevation between Indoor Unit and
Indoor Unit (ft.)
24.6 24.6 24.6 24.6
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