Installation Manual 45
ENGLISH
Electrical Wiring
Control box and connecting position of wiring
- Remove all of the screws on front panel, and remove the front panel by pulling it forward.
- Connect transmission line between main and sub
outdoor unit through the terminal block.
- Connect transmission lines between outdoor unit
and indoor/HR units through the terminal block.
- When the central control system is connected to the
outdoor unit, a dedicated PCB must be connected
between them.
- When connecting transmission line between out-
door unit and indoor/HR units with shielded wire,
connect the shield ground to the earth screw.
WARNING
The temperature sensor for outdoor air should not be exposed to direct sunlight.
- Provide an appropriate cover to intercept direct sunlight.
distribution panel here.
3-phase 4-wire power system.