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Piping and Wiring for Indoor Unit
52
Air-to-Water Heat Pump
Connecting with Outdoor Unit
Electric Heater Wiring
1
2
3
Terminal block at outdoor unit
N
L
External power supply (same
dedicated power supply for the
indoor unit and outdoor unit)
S
R
T
N
L
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.
CAUTION
20mm
GN/YL
1 Phase(Ø)
NORMAL
CROSS-SECTIONAL
AREA 6mm
2
NORMAL
CROSS-SECTIONAL
AREA 6mm
2
3 Phase(Ø)
20mm
GN/YL
1Ø Electric Heater
3Ø Electric Heater
L
N
Separation
Power Supply
Communication Wiring
Shield cable
CAUTION
You should separate the communication
wiring, in case of communication wiring
length is over 40M
1,MFL68681810,영영 2017. 7. 1. 영영 12:55 Page 52