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10 Servicing
1. Brazing.
2. Reversing valve.
3. Mounting plate.
4. Screw.
5. Compressor.
6. Cover by wet cloth.
Removing expansion valve
1 Remove the service cover and rear service panel according to the sections
Removing bottom service cover and rear
2 Collect the refrigerant from the check joint according to the section
3 Remove the coils according to the section
4 Remove the brazing as shown in the figure.
•
Electronic Expansion Valve (EV0): 2 brazing parts.
•
Perform the brazing to remove and reassemble the elec-
tronic expansion valve by cooling with wet cloth.
•
Protect the connecting wires and pipe insulation from bra-
zing flame.
1. Expansion valve (EV0).
2. Brazing part.
5
Reassemble the parts in the reverse order of removing pro-
cedures.
Remove solenoid valve
1 Remove the service cover and the rear service panel according to the sections
and
Removing bottom service cover and rear
2 Collect the refrigerant from the check joint according to the section
chapter.
3 Remove the solenoid valve coil according to the section
4 Remove the brazing and flare nuts. Using a blowtorch and previously cooling the pipe side with wet cloth in order to
avoid brazing material entering the reversing valve.
5 Perform the brazing to remove and reassemble the solenoid valve.
6 Protect the connecting wires and pipe insulation from the brazing flame.
7 Remove the flare nuts with two spanners to avoid twisting.
8 Reassemble the parts in the reverse order of removing order of removing procedures.
369
SMGB0064 rev.0 - 08/2011
cover, see on page 361.
Removing the
Removing reversing valve
coil, see on page 367.
cover, see on page 361 described in this chapter .
Removing the
Removing expansion valve
1
2
3
1
4
4
1
1
5
6
2
Removing service
cover, see on page 361 and
compressor, see on page 363
1
2
Removing service
cover, see on page 361
compressor, see on page 363 in this
coil, see on page 368 in this chapter.
10
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Troubleshooting
