PLT on a Daikin REYQ12P9Y1B

PLT on a Daikin REYQ12P9Y1B

Job Description: PLT on a Daikin REYQ12P9Y1B

Area: Turnmill Street, London

Issue Identified:  Following an engineer’s attendance on site he advised that the unit was running short of refrigerant.

Daikin VRV

Works carried out:

  • Isolated the Daikin REYQ12P9Y1B unit electrically and mechanically.
  • Recovered refrigerant into a dedicated recovery cylinder.
  • Pressure tested with OFN (oxygen free nitrogen) to locate leak.
  • Leak found on left hand side coil.
  • 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.