Emergency Operation - LG R410A Service Manual

Function

4.3 Emergency operation

- If a compressor is out of order, the system can be run except the defective compressor by backup function.
To set backup function, set DIP switch like following pictures.
Normal
A Comp. Failure
B Comp. Failure
104 Outdoor Unit
A Comp.
1 2 3 4 5 6 7 8
A Comp.
Failed
1 2 3 4 5 6 7 8
A Comp.
B Comp.
B Comp.
B Comp.
Failed