Replace Electronic Expansion Valve on a Carrier Chiller

Replace Electronic Expansion Valve on a Carrier Chiller

Job Description:  Replace Electronic Expansion Valve on a Carrier Chiller

Area: Heritage Lane, London

Issue Identified:  Following a recent visit to replace pressure relief valves it had been discovered that the electronic expansion valve had failed.

Works carried out:

  • Isolated the unit electrically and mechanically.
  • Recovered refrigerant into certified cylinder for storage on site.
  • Weighed and confirmed the charge.
  • Installed new EEV valve (electronic expansion valve).
  • Pressure tested with OFN (oxygen free nitrogen) to locate leak.
  • Once proved released OFN (oxygen free nitrogen) to atmosphere and evacuated system to a minimum of 2 Torr.
  • Re-charged with recovered refrigerant and trim charged with virgin refrigerant.
  • Test ran and commissioned.
  • Completed waste transfer note and handed to on-site representative.
  • Completed F Gas records.

ACES Group Can Also Supply and Install New Chillers – Call Us On 01865 890996

Carrier Chillers have a wide range of models with capabilities for sustainable refrigerant options. With non-ozone depleting refrigerant, excellent efficiency and powerful controls, these units are ideal for applications where temperature control is crucial. Carrier Chillers have been designed to bring efficient, reliable cooling to all types of large commercial applications. ACES engineers are experts in service and maintenance of all Carrier Chiller types. We have engineers based in London 24/7.

Some of the many Carrier Chillers we support
  • AquaSnap® Air-Cooled Liquid Chiller 30 RAP
  • AquaSnap® Air-Cooled Liquid Chiller 30RB
  • AquaForce® Air-Cooled Screw Chiller 30XA
  • AquaForce® Variable Speed Air-Cooled Screw Chiller 30XV
  • AquaEdge® Water-Cooled, Custom-Design Centrifugal Chiller 17DA
  • AquaEdge® Water-Cooled Centrifugal Chiller 19DV
  • AquaEdge® High-Efficiency Semi-Hermetic Centrifugal Chiller 19XR
  • AquaEdge® High-Efficiency Variable-Speed Screw Chiller 23XRV
  • AquaForce® High-Efficiency Indoor Liquid Screw Chiller 30HX
  • AquaSnap® Indoor Water-Cooled/Condenserless Liquid Chiller 30MP
  • AquaForce® High-Efficiency, Water-Cooled, Indoor Liquid Screw Chiller 30XW
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