Low Pressure Check on Carrier Chiller
Job Description: Low Pressure Check on Carrier Chiller
Area: Ludgate Hill, London
Issue Identified: Following a recent call out to site the engineer advised that the Carrier Chiller was running on low pressures and required a pressure leak test
Works carried out:
- Isolated the Carrier 30XA 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.