3-3. Precautions During Heavy Repair
TROUBLE DIAGNOSIS
- 12
6
-
Items
Precautions
1. Use of tools.
1) Use special parts and tools for R134a.
2. Removal of retained
1) Remove retained refrigerant more than 5 minutes after turning off a refrigerator.
refrigerant.
(If not, oil will leak inside.)
2) Remove retained refrigerant by cutting first high pressure side (drier part) with a nipper and
then cut low pressure side. (If the order is not observed, oil leak will happen.)
3. Replacement of drier.
1) Be sure to replace drier with R134a only when repairing pipes and injecting refrigerant.
4. Nitrogen blowing
1) Weld under nitrogen atmosphere in order to prevent oxidation inside a pipe.
welding.
(Nitrogen pressure : 0.1~0.2 kg/cm
2
.)
5. Others.
1) Nitrogen or refrigerant R134a only should be used when cleaning inside of cycle pipes
inside and sealing.
2) Check leakage with an electronic leakage tester.
3) Be sure to use a pipe cutter when cutting pipes.
4) Be careful not the water let intrude into the inside of the cycle.
1
2
Compressor
Low pressure side
Condenser
High pressure side
Drier
Evaporator
Summary of Contents for GC-L207TLQK.CGSQSTG
Page 23: ...EXPLATION FOR MICOM CIRCUIT 32 GC P L207 88 LED GC P L207 Bar LED GC P L207 Dot LED ...
Page 28: ...1 5 Temperature sensing circuit EXPLATION FOR MICOM CIRCUIT 28 GC L207 Bar LED F C A B D ...
Page 32: ...EXPLATION FOR MICOM CIRCUIT 50 GC P L207 Bar LED GC P L207 Dot LED b a e d b a e d ...
Page 38: ...EXPLATION FOR MICOM CIRCUIT 62 GC P L207 Bar LED ...
Page 39: ...EXPLATION FOR MICOM CIRCUIT 68 GC P L207 Bar LED ...
Page 40: ...EXPLATION FOR MICOM CIRCUIT 69 GC P L207 Bar LED ...
Page 41: ... GC P L207 Bar LED EXPLATION FOR MICOM CIRCUIT 78 ...
Page 42: ...EXPLATION FOR MICOM CIRCUIT 79 PWBASSEMBLY DISPLAY ...
Page 49: ...CIRCUIT 94 GC P L B C207 Bar LED The circuit has been only applied to voltage except 220v ...
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