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(Optional) Installing Outdoor Unit Communications Cables
This operation is required only when the outdoor unit is equipped with a temperature control intelligent monitoring board.
Procedure
- Route the cable through the cable hole on the top or at the bottom of the cabinet.
- Connect one end of the cable to points 1, 2, and 3 on the external signal port X302 of indoor unit and the other end to ports 1, 2, and 3 on the outdoor unit.
Remove the female connector from the interconnection terminal. After the cable is connected to the female connector, reconnect the connector to the interconnection terminal.
Figure 4-85 Connecting the outdoor unit on/off signal cable - Secure the cable to the right post of the cabinet using cable ties.
The shielding layer of the signal cable must be grounded.
- Air-cooled outdoor unit: The shield layer must be routed through the buckle and crimped properly.
- Indoor unit: The shield layer must be reliably connected to the nearby PE point.
