Job Description: Replacement of Ball Valve, Compressor, Contactors and Driers on a York Chiller
Area: Forum, Fareham
Issue Identified: Enquiry to replace the failed compressor plus discharge line ball valve on both circuits.
Works carried out:
- Isolated the unit electrically and mechanically.
- Recovered the refrigerant into a dedicated recovery cylinder.
- Weigh and confirmed charge.
- Removed the compressor from the chiller bed.
- Replaced the compressor with new.
- Charged the system with nitrogen to prove leak tight.
- Repaired minor leak by means of brazing.
- Once proved released OFN (oxygen free nitrogen) to atmosphere and evacuated 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.