Specifications

SiENBE04-507A Indoor Unit

Removal Procedure 165

1.6 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 shelter

The figure shows the

appearance of the

electrical box.

Open the shelter (at the

back).

Push the upper centre

of the shelter and

unfasten the hooks at

the upper 2 positions of

the shelter.

Preparation

 Remove the electrical box

according to the “Removal

of Electrical Box.”

2. Removing the heat

exchanger thermistor

Remove the heat

exchanger thermistor

and disconnect the

earth wire.

Earth wire

Clamp

Heat exchanger

thermistor

Signal receiver

PCB

Signal receiver unit

Shelter (back)

Hooks

Hook