LG R410A - Emergency Operation

104 Outdoor Unit
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.
1 2 3 4 5 6 7 8
Normal
A Comp. Failure
B Comp. Failure
1 2 3 4 5 6 7 8
A Comp. B Comp.
A Comp.
Failed
B Comp.
A Comp.
B Comp.
Failed
Function