Bitzer CSH 7571 90Y Compressor Replacement to a Lennox Chiller
Job Description: Bitzer CSH 7571 90Y Compressor Replacement to a Lennox Chiller
Area: The Forum, Portsmouth
Issue Identified: Following an enquiry from customer we quoted to replace a failed compressor.
Scope of Works Carried Out:
- Isolate the Lennox Chiller unit electrically and mechanically.
- Recovered refrigerant from the Lennox Chiller into a dedicated recovery cylinder.
- Weighed and confirmed charge.
- ACES Lift and Shift Team removed the compressor from the chiller bed.
- Replaced the compressor with service exchange Bitzer CSH 7571 90Y part wind screw compressor.
- Charged the system with oxygen free nitrogen (OFN) to prove leak tight.
- Repaired a minor leak by tightening.
- Once proved released OFN (oxygen free nitrogen) to atmosphere and evacuated the system to a minimum of 2 Torr.
- Re-charged with recovered refrigerant.
- Test ran and re-commissioned.
- Completed waste transfer note and handed to on-site representative.
- Completed F Gas certificate.
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