25
Installation Manual
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
Electrical − Vertical Air Handling Unit NJ/NK Chassis
Table 16: Vertical / Horizontal NJ, NK Chassis Air Handling Unit Electrical Data.
Model
Voltage
Range
MCA MOP
Rated Amps
(A)
Power Supply Power Input
1
(W)
Hz Volts Phase
Max.
Cooling
Max.
Heating
L / M / H at Factory
Default
NJ Frames
ARNU123NJA4
208-230
3.5
15
2.8
60 208-230 1
228 228 47 / 64 / 80
ARNU183NJA4 3.5 2.8 228 228 64 / 80 / 90
ARNU243NJA4 3.5 2.8 228 228 64 / 96 / 120
ARNU303NJA4 3.5 2.8 228 228 94 / 133 / 180
ARNU363NJA4 3.5 2.8 228 228 133 / 180 / 230
NK Frames
ARNU423NKA4
208-230
4.25
15
3.4
60 208-230 1
366 366 186 / 215 / 260
ARNU483NKA4 4.25 3.4 366 366 186 / 264 / 330
ARNU543NKA4 4.25 3.4 366 366 264 / 312 / 370
MCA : Minimum Circuit Ampacity.
MOP : Maximum Overcurrent Protection.
Units are suitable for use on an electrical system where voltage supplied to unit terminals is within the listed range limits.
Select wire size based on the larger MCA value.
Instead of fuse, use the circuit breaker.
1
Max. power input is rated at maximum setting value.