Replacement of Oil Solenoid Valve on a Carrier Chiller
Job Description: Replacement of Oil Solenoid Valve on a Carrier Chiller
Area: Riverside Way, Uxbridge
Issue Identified: Carried out inspection of chiller after reported fault leaking oil solenoid valve, compressor chiller and roof top heavily soiled with oil.
Works carried out:
- Isolated the Carrier Chiller unit electrically and mechanically.
- Recovered refrigerant into certified cylinder for storage on site.
- Weighed and confirmed the charge.
- Removed oil mag valve head.
- Replaced head and seals, cleaned threads and fit new screws.
- Pressure tested with OFN (oxygen free nitrogen) to locate any possible further leaks.
- Further leak found on compressor discharge seal.
- Replaced and re-pressure tested and left on charge over weekend.
- 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