17
Signal cables for the indoor units
Signal cable hole
Signal cables for the outdoor units
Power cable hole
(Optional) Connecting the Signal Cable Between Indoor and Outdoor Units
Perform this operation only for outdoor units configured with an intelligent monitoring board.
The outdoor units are 52273539.
Connecting the Low Temperature Component Power Cable
Low temperature
component power
cable
Power cable between
indoor and outdoor
units
Signal cable
hole
Power cable hole
Low temperature component
Low temperature
component/Water
-cooled module
• If the outdoor unit is NetCo500-A120, connect the power cables of the two indoor units to
the QF2 and QF4 of the outdoor unit respectively.
• The label is "Receiver heater/Water-cooled module" or "Low temperature
component/Water-cooled module". The actual label may vary.