15. When is it essential to take measures to help release trapped CFC, HCFC, or HFC refrigerant from the compressor oil during refrigerant recovery?

When using self-contained recovery devices.
When using system-dependent active recovery devices.
When using passive recovery devices on small appliances with non-operating compressors.
When the refrigerant system has a low side leak.

« PreviousSkipNext »

Comments

There are no comments at the moment. If you found an error or think question is incorrect, tell everyone about it