Detailed Pressure Leak Test on Climaveneta Chiller
Job Description: Detailed Pressure Leak Test on Climaveneta Chiller
Area: Viaduct Gardens, London
Issue Identified: Following a recent attendance to site for maintenance, it was noted that the unit was running short of refrigerant and had no obvious leaks. We attended to complete a detailed Pressure Leak Test (PLT) on the chiller to locate and fix the leak.

Works carried out:
- Isolated the Climaveneta Chiller electrically and mechanically.
- Recovered refrigerant into a dedicated recovery cylinder.
- Pressure tested with OFN (oxygen free nitrogen) to locate leaks.
- Repaired the leak by means of brazing, and retested with OFN.
- 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.