– 63 –
8. Temporary Switch
● The temporary switch is used to operate the air conditioner temporarily when the wireless remote control
is lost or faulty.
● The air conditioner operates in the previous mode at the previously set temperature. However, when the
power switch is set to OFF, it starts automatic operation.
Fig. 8-1
9. Indoor Fan Motor Feedback Circuit
● Fan motor will receive signal thru Joint Connector with VDC (Motor Drive Voltage), VCC (Motor Controller
Power Supply), VSC (RPM Instruction) motor WCC return the FG sinal under frequency RPM.
● The circuit produces fan motor drive from 340V DC supplied from the indoor unit and controls the fan
motor speed.
CAUTION 1
Indoor fan motor circuit will be connected with primary
power source line and please take care of the
electrical shock.
CAUTION 2
Please do not disconnect the fan motor connector during
running due to the high voltage supply, it will cause the
damage at fan motor and PWB.
● <Exp. of circuit wave>
Fig. 9-1
Fig. 9-2
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