165
18.3.8 Aluminium Electric Heater Replacement Procedure (Heatcharge)
18.3.8.1 Preparation
1 Power-off the unit (remove plug and/or etc.).
2 Collect all refrigerant into the cylinder by reclaming machine.
3 As brazing work is involved, make sure the workshop and surrounding area is sufficient and safe.
18.3.8.2 Process 1 (Dismatling of the Parts)
1 Remove control-board cover, top plate and front panel, pull out connecting wire, then remove side panel
(right).
2 Disconnect all connectors connected to control board.
3 Remove solenoid coils of 3-way valve, 4-way valve and expansion valve.
4 Remove sound proof material at upper compressor.
5 Remove terminal cover for the compressor.
6 Disconnect of 3 compressor lead wire (red, blue and yellow), and remove control board.
Compressor lead wire
* Aluminum electric heater: part description is aluminum electric heater (Heatcharge)
7 Remove 4 screws (see figure), 1 fixing screw for earth wire, 2 fixing screws for holder plate of 3-way valve &
expansion valve and 1 fixing screw for sound proof board. Slide soundproof board towards to propeller fan
side to remove.
Holder plate for 3-way valve
& expansion valve
Screw for
earth wire
Fixing screw of acoustic
insulation board & holder plate
of 3-way valve & expansion valve
To Next Page
Loading...
