4 Electrical and control settings
Electrical wiring connection for the outdoor unit
SMGB0136 rev.0 - 07/2021
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4.2 Electrical wiring connection for the outdoor unit
The correct electrical wiring connection for the outdoor unit is shown below.
1 Ensure the connection of 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-3HVRC2
Power wires
Earth
terminal
Transmission wires
RAS-(4-6)HV(R/N)(C/P)2E RAS-(4-6)H(R/N)(C/P)2E
Transmission wiresPower wires
PCB
Earth Terminal
Transmission wires
Power wires
PCB
Earth Terminal
2 Ensure the wires connection between the outdoor unit and the indoor unit to the terminals 1 and 2 on the terminal
board.
1. Power supply 1~ 230V.
2. Control cable (5V).
1. Power supply 3N~ 400V.
2. Control cable (5V).
3 Ensure the cables are xed with the clamp supplied in the Electrical Box to ensure strain relief.