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ELECTRICAL WIRING
50
Control box and connecting position of wiring
- Remove all of the screws at side panel and remove the panel by pulling it forward.
- Connect communication cables between outdoor unit and indoor 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 communication cable between outdoor unit and indoor units with shielded
cable, 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.
10HP
Side panel
PI485 PCB
Indoor communication PCB
Main PCB
Terminal block
(Take care of the phase sequence
of 3-phase 4-wire power system)
※Pictures may differ depending on the model.
(Inside the control box)
(Inside the control box)
8HP
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