Clivet Chiller Pressure Leak Test

Clivet Chiller Pressure Leak Test

Job Description: Clivet Chiller Pressure Leak Test

Area: Stable Street, London

Issue Identified:  Following a recent call out to site the engineer advised that the refrigerant charge has been lost from the Clivet Chiller.

Works carried out:

  • Recovered any remaining refrigerant from the Clivet Chiller into certified cylinder.
  • Weighed and confirmed the system charges.
  • Fractured pipework found.
  • Replaced suction pipework.
  • Charged the system with OFN (Oxygen Free Nitrogen).
  • Once proven the unit was leak tight following repair released the nitrogen.
  • Evacuated system to a minimum of 2 Torr.
  • Re-charged the unit with recovered refrigerant and topped up with virgin refrigerant.
  • Test ran and re-commissioned.
  • Completed all waste paperwork.
Abbreviations

HVAC – Heating, Ventiliation and Air Conditioning, PLT – Pressure Leak Test,  PRV – Pressure Relief Valve, PPM – Planned Preventative Maintenance, OFN – Oxygen Free Nitrogen, AHU – Air Handling Unit, GWP – Global Warming Potential, VRF – Variable Refrigerant Flow, VRV – Variable Refrigerant Volume, ACU – Air Conditioning Unit, FCU – Fan Coil Unit, AC – Air Conditioning,  HP – High Pressure, LP – Low Pressure

Ref: 2011