Repairs to a Toshiba VRV

Repairs to a Toshiba VRV

Job Description:  Repairs to a Toshiba VRV

Area: Market Place, London

Issue Identified:  Following a recent attendance on site our engineer advised that the Toshiba VRV units are very low of pressure and recommended a pressure leak test.

Works carried out:

  • Isolated the unit electrically and mechanically.
  • Recovered refrigerant into certified cylinder for storage on site.
  • Weighed and confirmed the charge.
  • Pressure tested with OFN (oxygen free nitrogen) to locate any possible leak.
  • Found service valve leaking.
  • Removed and replaced.
  • Re-pressure tested
  • 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.

ACES Group Can Also Supply and Install New Air-Conditioning Units – Call Us On 01865 890996

Toshiba Units

Toshiba Units are ideal for clean room environments such as datacentres, hospitals and areas where temperature is critical.  ACES engineers have years of expertise maintaining and servicing these units and will ensure each system maximises energy efficiency and uptime.

If you require an emergency call out, we provide a 24/7 service and we have engineers permanently based in London. We know how critical it is to keep your facility running to its optimum temperature and to minimise any unnecessary downtime.

Some of the many Toshiba units we support
  • Toshiba Carrier Single-Phase Heat Pump MCY7
  • Toshiba Carrier Heat Recovery Outdoor Unit MMYF
  • Toshiba Carrier Single-Phase Heat Recovery MMYF-1P
  • Toshiba Carrier Heat Pump Outdoor Unit MMYH
  • Toshiba Carrier 4-Way Cassette Indoor Unit MMU4
  • Toshiba Carrier High Wall Indoor Unit MMK3
  • Toshiba Carrier Underceiling Indoor Unit MMC8
  • Toshiba Carrier Light Commercial Heat Pump RAVAT
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