PLT and Coil Replacement on a Carrier Chiller
Job Description: PLT and Coil Replacement on a Carrier Chiller
Area: West Hampstead Square, London
Issue Identified: Following our recent call out to site the engineer advised that the Carrier Chiller is running on low pressures and there were oil leaks around the coils.
Works carried out:
- Isolated the Carrier 30RB Chiller unit electrically and mechanically.
- Recovered refrigerant into a dedicated recovery cylinder.
- Pressure tested with OFN (oxygen free nitrogen) to locate leak.
- Repaired the leak by means of brazing.
- Once proved released Oxygen Free Nitrogen (OFN) into atmosphere and evacuated the system to a minimum of 2 Torr.
- Re-charged with the recovered refrigerant and trim charged with virgin refrigerant.
- Test ran and re-commissioned.
- Completed a waste transfer note and handed to on-site representative.
- Completed an F Gas certificate.