Issue:
These are the offical guidlines for Additional oil Charge for FM, AFX, CM units.
Product line:
FM35, FM40, FM50, AFX and CM.
Environment:
North American Products.
Cause:
Guidelines for Oil Charge.
Resolution:
Follow Guidelines Below.
Note that these unit utilize R22 Refrigerant and Mineral oil will be the oil of choice. If a system requires over 30lbs of refrigerant additional oil will be required to ensure proper oil return of the system. During normal operation the oil level should be slighly above 1/2 of the sight glass. Ensure the oil is clean and free of acid if the sightglass should become discolored.