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PCBs
Si121293EC
12
Removal Procedure
3
Pass the harnesses
through the hole on the
terminal board.
4
Disconnect the
connector [S].
[S]: terminal board
5
6
Disconnect the 2 lower
connectors (a) and (b)
of the room B.
Remove the terminal
board.
★
Not available for 4-room
models.
Step
Procedure
Points
(R17981)
Terminal
board
[S]
(R17982)
(b)
(a)
B
A
C
E
D
(R22556)
Terminal
upper
lower
A
1
black
black
2
white
white
3
red
–
B
1
black
black
2
white
white
3
yellow
–
C
1
black
black
2
white
white
3
blue
–
D
1
black
black
★
2
white
white
★
3
orange
–
E
1
black
★
–
2
white
★
–
3
gray
★
–