Repairs to a Daikin VRF Unit
Job Description: Repairs to Daikin VRV Unit
Area: George Street Uxbridge
Issue Identified: Following a recent call out our ACES engineer has advised that the unit is under performing and required a pressure leak test.
Scope of Works Carried Out:
- Isolated the Daikin VRV unit electrically and mechanically.
- Recovered any remaining refrigerant from the Daikin VRV unit.
- Weighed and confirmed the charge.
- Pressure tested with OFN (oxygen free nitrogen) to locate leak.
- Repaired the leak by means of tightening
- 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.
- Test ran and commissioned.
- Completed waste transfer note and handed to on-site representative.
- Completed F Gas certificate.
- Investigated the faults on other circuits and advised our service department of findings.
Daikin VRV Units
ACES engineers specialise in service and maintenance of Daikin VRV Systems including VRV IV + Heat recovery, VRV IV + Heat pump, VRV 5 S-series, Water-cooled VRV + series.
Heat recovery systems allow simultaneous heating and cooling. This is ideal for hotels so that visitors can control their own comfort and is also effective for buildings with north and south facing offices.
We have engineers based in London 24/7 who are available for all emergencies.
Some of the many Daikin VRV Units we support
- RYMQ-U
- RYYQ-U
- RXYSA-AY1
- RWEYQ-T8
- RXYQ-U
- RXYQ-T8
- RQYQ-P
- RWEYQ-T
- REMQ-U
- REYQ-U
- RXYSA-AV1
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