Panasonic U-10MF1E8 Service Manual page 38

17. Backup Operation
[2] Disabling operation of 1 compressor
At the S010 switch on the PCB of the failed outdoor unit, turn ON the switch for the compressor to disable, and
turn ON the "backup" switch.
<S010 switch>
1
• In order to perform simultaneous backup operation for 2 or more compressors, use a combination of the switch
settings shown above.
INV AC1
(A) Compressor 1 backup
(B) Compressor 2 backup
(C) Compressor 3 backup
AC2 Backup
ON
OFF
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3-WAY SYSTEM
Control Functions