Replacement of VRV Daikin System Inverter Compressor

Job Description: Replacement of VRV Daikin System Inverter Compressor

Area: Jermyn Street, London

Issue Identified: Following a callout the engineer reported the compressor 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
Remove the compressor and install new (Hot Works).
Pressure tested with OFN (oxygen free nitrogen) to locate any leaks.
Found the leak on liquid line service port.
Fitted new Schrader core.
Re-pressure tested.
Once proved release OFN 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.

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

Ref: 1859