Pressure Leak Test on a Daikin Chiller
Job Description: Pressure Leak Test on a Daikin Chiller
Area: Samuel House, London
Issue Identified: Following a recent call out to site, we quoted to carry out a pressure leak test and charge confirmation.
Works carried out:
- Isolated the Daikin Chiller unit electrically and mechanically.
- Recovered 19kg of R134A refrigerant into a dedicated recovery cylinder.
- Leak located on filter drier housing end plate.
- Changed the filter drier and fitted a new gasket.
- Pressure tested with OFN (oxygen free nitrogen) to 10 bar for 2 hours.
- Once proved released Oxygen Free Nitrogen (OFN) into atmosphere and evacuated the system.
- Re-charged with the recovered refrigerant and trim charged to 25kg with virgin refrigerant.
- Test ran and re-commissioned.
- Completed a waste transfer note and handed to on-site representative.
- Completed an F Gas certificate.