Hitachi RAS-(4-12)HNP(1)(E) - Page 115

4 Electrical wiring
101
SMGB0087 rev.0 - 12/2013
4
RAS-12HN(P/C)
Transmission
wires
Power wires
Earth Terminal
2 Connect the wires between the outdoor unit and the indoor unit to the terminals 1 and 2 on the terminal board.
1 2
1 2
1. Power supply 1~ 230V.
2. Control cable (5V).
1. Power supply 3N~ 400V.
2. Control cable (5V).
3 Fix the cable with the clamp supplied in the Electrical Box to ensure strain relief.
4 When routing out cable, make sure that it does not obstruct mounting of the outdoor service cover.
Wiring Method
Keep a distance between each wiring
terminal and attach insulation tape or
sleeve as shown in the gure.
Tape or sleeve
Earth screw
Rear cover
Earth wire
Power supply cable
Control cable
Wiring method with clamp
Insert the wires into the cord clamp and
clamp them as shown in the gure.
Perform wiring so that wires do not touch
the compressor, refrigerant pipes or edge
of the covers.
Make a loop of wires so that disconnecting the wirings
for replacing the parts is not required.
Fasten the wires so that wires do not touch the high
temperature compressor and the other parts.