Daikin VRV Low Refrigerant Issue

Daikin VRV Low Refrigerant Issue

Job Description:  Daikin VRV Low Refrigerant Issue

Area: Duke Street, London

Issue Identified:  Following a recent attendance on site our engineer discovered that the units were under performing on the 2nd floor. He advised that the unit was running low on refrigerant.

Works carried out:

  • Isolated the Daikin VRV unit electrically and mechanically.
  • Recovered refrigerant into certified cylinder for storage on site.
  • Weighed and confirmed the charge.
  • Carried out system integrity and tightness.
  • Pressure tested with OFN (oxygen free nitrogen) to locate leak.
  • Repaired leak by means of tightening.
  • Once proved released OFN (oxygen free nitrogen) to atmosphere and evacuated system
  • 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