Table of Contents
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Removal of PCB
Step
11
Control PCB
12
Remove the 2 screws
of the radiation fin.
30
Procedure
[S72]
Radiation fan
[S91]
[S40]
[S92]
[S20]
[S90]
[S70]
[S80]
[S21]
[S20] : Electronic expansion
valve coil for room A
[S21] : Electronic expansion
valve coil for room B
[S22] : Damper motor
[S23] : Rotor motor
[S40] : Overload protector
[S70] : DC Fan motor
[S72] : Humidifying fan motor
[S80] : Four way valve coil
[S90] : Discharge pipe / Outdoor
heat exchanger /
Outdoor air
thermistor
[S91] : Gas pipe thermistor
[S92] : Liquid pipe thermistor
(R9970)
When reassembling, be sure
to apply silicon grease for
encouraging the heat
radiation.
(R9971)
Si12-992
Points
[S23]
[S22]
(R9969)
Removal Procedure
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