Nominal
Tons
Unit Model No. Hertz Voltage
Voltage
Range
(Min. to Max.)
MCA MOP
Compressor
Quantity
Compressor
Motor RLA
Condenser Fan Motor(s)
Condenser Fan
Quantity x kW
Condenser Fan
Motor FLA
4.5 LMU540HV 60 208 - 230 187 - 253 26.4 40 1 18.5 2 x 0.12 1.25 x 2
Voltage tolerance is ±10%.
Maximum allowable voltage unbalance is 2%.
RLA = Rated Load Amps.
MCA = Minimum Circuit Ampacity.
Maximum Overcurrent Protection (MOP) is calculated as follows: (Largest motor FLA x 2.25) + (Sum of
other motor FLA) rounded down to the nearest standard fuse size.
Table 313: LMU540HV Electrical Data.
Electrical Data
Electrical and Acoustic Data
MULTI F MAX OUTDOOR UNIT
Acoustic Data
Model No.
Sound Pressure Levels (dB[A])
Cooling Heating
LMU540HV 54 56
Figure 21: Sound Pressure Level Measurement Location.
• Measurement taken 4.92′ above finished floor, and at a distance of
3.3′ from face of unit.
• Measurements taken with no attenuation and units operating at full
load normal operating condition.
• Sound level will vary depending on a range of factors such as
construction (acoustic absorption coefficient) of particular area in
which the equipment is installed.
• Sound pressure levels are measured in dB(A) ±3.
• Tested in anechoic chamber per ISO Standard 3745.
3.3'
4.92'
Side View
Figure 22: Sound Pressure Diagram.
Table 314: Sound Pressure Levels (dB[A]).
LMU540HV
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa )
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
Cooling
Heating
▲
MULTI F MAX OUTDOOR UNIT | 327
Multi F MAX Outdoor Unit Data
Due to our policy of continuous product innovation, some specications may change without notication.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
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