Pressure Leak Test on a Dynaciat LG LGP 400v Heat Pump
Job Description: Pressure Leak Test on a Dynaciat LG LGP 400v Heat Pump
Area: Rotherham
Issue Identified: Following a maintenance visit our engineer found that system 1 was showing signs of low pressure and required a pressure leak test.

Works carried out:
- Isolated the Dynaciat LG LGP 400v Heat Pump 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.