2-86
SERVICING
(2.6 Wall Type)
Phillips ScrewdriverTool
TURN OFF all power source switches.
(6) After the completion of replacement of PCB, connect the connectors to the PCB in the reverse
procedures of removing. And firstly set the high voltage PCB to the electrical box and then set the
low voltage PCB to the electrical box.
2.6.6 Removing Indoor PCB
(1) Remove the front panel according to the item 2.6.2 “Removing Front Panel”.
(2) Remove one (1) screw for the electrical box cover.
(3) Remove the connectors (CN17, CN22 and CN11) from the low voltage PCB.
(4) Detach two (2) catches of the PCB base 1 fixing the low voltage PCB, lift the low voltage PCB and
remove other connectors still connected.
(5) Remove the earth wire from the heat exchanger, detach one (1) catch of the PCB base 2 fixing the
high voltage PCB, lift the high voltage PCB and remove other connectors still connected.
Earth Wire
Catch
Electrical Box Cover
Catch
Low Voltage
PCB
CN17
Catch
PCB Base 1
Ter minal Board
High Voltage
PCB
PCB Base 2
CN11
PCB Base
1, 2
Pull and lift up
to release.
Electrical Box
Screw
PCB Base Z
PCBI (P)
Module
(black)
Silicon Seat
(pink)
(only after minor
chage model)
Electrical Box
Details of PCB
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