VRV Daikin Compressor Replacement
Job Description: VRV Daikin Compressor Replacement
Area: Jermyn Street, London
Issue Identified: Our engineer advised that the VRV Daikin unit had one compressor down to earth, and another compressor was pulling high amps.
Works carried out:
- Isolated the Daikin VRV unit electrically and mechanically.
- Recovered 27kgs refrigerant into certified cylinder for storage on site.
- Disconnected the compressors and removed.
- Installed 2 new fixed speed compressors.
- Pressure tested with OFN (oxygen free nitrogen) to locate any possible 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 Air-Conditioning Units – Call Us On 01865 890996
Some of the many Daikin Units we support
| – RXM-R – ARXM-R – FTXG-LS – FVXS-F – FTXS-K – CTXM-R – FVXM-F – FTXG-LW – CTXM-M – CTXS-K – RXS-L | – FTXS-G – RXS-L3 – ARXS-L – FDXS-F9 – ARXS-L3 – FDXS-F – RXM-R – FDXM-F – ARXM-R – FLXS-B – FLXS-B9 | – CTXM-N – RXYSA-AY1 – FCAG-B – LRNUN-AY1 – CTXA-AW – FCAHG-H – FXFQ-B – RZQG-L(8)Y1 – RZAG-A – CTXA-BS – RZAG-MV1 | – 2AMXF-A – 3MXM-N9 – 3MXM-N – 2MXM-M9 – 5MXM-N9 – 5MXM-N – 2MXM-M – 4MXM-N9 – 2MXM-N – 5MXM-M – 4MXM-M | – RXYQ-T9 – RYMQ-U – RYYQ-U – FXFA-A – RXYSA-AY1 – FXFQ-A – RWEYQ-T8 – RYYQ-T8 – RXYQ-U – RXYQ-T8 – RQYQ-P |

Daikin Air-Conditioning Systems designed for comfort and efficiency. Prominent in small, medium, and large offices. Daikin air curtains minimise hot and cold air loss. Fully flat cassettes integrate seamlessly into false ceilings and will not disturb office concentration with its quiet operation. ACES engineers specialise in service and maintenance of indoor and outdoor Daikin units.
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