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4-2 FRIEDRICH AIR CONDITIONING CO.
4-2 Checking the oil
4-2-1 Oil quality
4-2-2 Replacing and refilling the refrigerant oil
1. Change the compressor - DO NOT recharge the oil as the compressor itself is
already charged.
2. Change the condenser .... add 50cc
3. Change the evaporator .... add 50cc
4. When the refrigerant is replaced .... add 30cc oil.
5. After vacuum is completed, the oil is filled through the high pressure side.
6. In the event of a refrigerant leak, generally it is not necessary to add oil.
(Unless the oil has leaked significantly.)
Fill the transparent container with 10cc of oil, and then conduct the test.
Condition of
Refrigerant Cycle
Normal
Over-heated
Compressor Damage
Color
Straw Yellow
Brown Color
Dark Brown
Odor
No Odor
-
Pungent oil
Remarks
Return with the system
Change the oil
Change the oil
Oil Condition
DB98_04511A(2)-1 2/18/03 4:09 PM Page 4