Service manual

SiENBE12-522A Outdoor Unit (80 / 90 Class)
Removal Procedure 267
1.4 Removal of PCB
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step
Procedure Points
1. Removing the controller
PCB
1
Release the tab of the
electrical box, and open
the terminal board.
2
Disconnect each
connector of the
terminal board.
3
Unscrew 1 screw and
release two tabs to
remove the PCB