Koolaire KY0275W Technician's Handbook page 113

Symptoms/Findings
No symptoms or suspicion of
Moisture/Air Contamination symptoms
Refrigeration system open to atmosphere
for longer than 15 minutes
Refrigeration test kit and/or acid oil test
shows contamination
No burnout deposits in open compressor
Mild Compressor Burnout symptoms
Oil appears clean but smells acrid
Refrigeration test kit or acid oil test shows
harmful acid content
No burnout deposits in open compressor
Severe Compressor Burnout symptoms
Oil is discolored, acidic, and smells acrid
Burnout deposits found in the compressor,
lines, and other components
Part Number STH047 5/16
Contamination/Cleanup Chart
contamination
lines
lines
Required Cleanup
Procedure
Normal
evacuation/
recharging
procedure
Mild
contamination
cleanup procedure
Mild
contamination
cleanup procedure
Severe
contamination
cleanup procedure
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