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9.4.3 Installation Instruction
After the unit is installed, a maintenance port should be reserved at the electric box side of unit for
maintenance. The position of maintenance port should be lower than the lower size of unit.
C&H Mode Exchanger should be installed at the position where is closing to the service port or the air
return outlet of indoor unit. (Note: When installing it closing to the air return outlet, please make sure it
won’t affect the air return and it should be convenient for maintenance)
The service port and the installation of C&H Mode Exchanger is described in detailed in below fig:
Ceiling
mode
exchanger
Maintenance
port
Indoor unit
High-pressure gas pipe
Low-pressure gas pipe
Medium-pressure liquid pipe