Electrical Wiring Connection For The Outdoor Unit - Hitachi RAS-2-HVNP Service Manual

4. Electrical wiring

4.2 Electrical wiring connection for the outdoor unit

The correct electrical wiring connection for the outdoor unit is shown below.
1 Insert the power source cables L1, L2, L3 and N (for 400V/50Hz) or L1 and N (for 230V/50Hz ) and the ground cable
into the ring core, coiling them with two turns and fix the cables using the cable tie (accessory). As shown in next figure,
do not insert the cables from different sides into the ring core.
1. N/(L2) Wire.
2. L1 Wire.
2 Connect the three-phase power supply source wires L1, L2, L3 and N (for 400V/50Hz) or L1 and N (for 230V/50Hz ) to
the terminal board. Connect the ground wire to the plate in the electrical box.
RAS-(2-2.5)HVNP
RAS-3HVNC
PCB
Earth terminal
Power
wires
RAS-3HVNPE
RAS-(4-6)HVN(P/C)E
Power wires
Transmission wires
90
SMGB0079 rev.0 - 01/2013
RAS-(8-10)HN(P/C)E
Side cover
Transmis-
sion wires
PCB3
PCB
Transmission
Power
Transmission
wires
wires
wires
RAS-(4-6)HN(P/C)E
Power wires
RAS-12HN(P/C)
2
Earth
terminal
1
PCB
Transmission wires
Power
3
wires
4
5