Connecting With Outdoor Unit; Electric Heater Wiring - LG THERMA V Air-to-Water Heat Pump Installation Manual

Therma v air-to-water heat pump
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Piping and Wiring for Indoor Unit
You should separate the communication
wiring, in case of communication wiring
length is over 40M

Connecting with Outdoor Unit

Terminal block at outdoor unit
1
2
3
1Ø Electric Heater

Electric Heater Wiring

Power Cable Specification : The power cord connected to the outdoor unit should be complied
with IEC 60245 or HD 22.4 S4(Rubber insulated cord, type 60245 IEC 66 or H07RN-F)
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
External power supply (same
dedicated power supply for the
indoor unit and outdoor unit)
L
N
1Ø Electric Heater
58 Air-to-Water Heat Pump
1(L) 2(N) 3
1 Phase(Ø)
L
N
L
N
Separation
Power Supply
Communication Wiring
Terminal block at outdoor unit
1
2
3
3Ø Electric Heater
3 Phase(Ø)
R
T
L
S
N
3Ø Electric Heater
Shield cable

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