Pressure Leak Test (PLT) on Daikin AC Unit
Job Description: Pressure Leak Test (PLT) on Daikin AC Unit
Area: Jermyn Street, London
Issue Identified: Following a recent call out, our engineer had advised that the unit is running on low pressures, indicating a shortage in refrigerant. We attended site to perform a leak test and fix any leaks found to correct this issue.
Works carried out:
- Isolated the Daikin unit electrically and mechanically.
- Recovered refrigerant into a dedicated recovery cylinder.
- Pressure tested with OFN (oxygen free nitrogen) to locate leak.
- Repaired the leak on the liquid like service port.
- 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