TB3165A - COMPRESSOR SUFFIXES
10th January 2005
Compressors supplied with polyolester oil now come with a suffix C on all sizes except 5524 , 5527 and 5531 (single and 3 phase).
When replacing a compressor, ensure that the replacement has the same oil as the original one.
All R407C systems have compressors supplied with polyolester oil.
540/541 series, R22 systems have mineral oil compressors.
550/551 series, R22 systems may have either mineral oil or polyolester oil, depending on date of manufacture.
The following table shows compressor numbers and IMI part numbers:
For further information please contact: -
Technical Services Department
IMI Air Conditioning Limited
Tel: 01484 405600
Fax: 01484 400543