Mitsubishi Air Conditioning Unit Repairs

Mitsubishi Air Conditioning Unit Repairs

Job Description:  Mitsubishi Air Conditioning Unit Repairs

Area: Victoria Street, London

Issue Identified:  Following a recent planned preventative maintenance visit our engineer found that the flare nut on the suction pipe was leaking and the system was very short of refrigerant

Works carried out:

  • Isolated the Mitsubishi Air Conditioning 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 leak.
  • Found a leak on the suction line flare nut connection to the condenser unit.
  • Re-tightened it using thread seal compound.
  • Pressure tested to 20 bar.
  • Once proved released OFN (oxygen free nitrogen) to atmosphere and evacuated system to a minimum of 0.8 Torr.
  • Carried out a vacuum rise test.
  • 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 all Mitsubishi Air-Conditioning Units – Call Us On 01865 890996

Mitsubishi Mr Slim – is available as wall or floor mounted and is ideal for retail and offices

M Series –  a very versatile system and is suitable for retail and offices and is available using low GWP R32 refrigerant

Multi Split – the outdoor unit can connect between 2 and 11 indoor units.

City Multi VRV – ideal for larger premises who demand efficiency and high performance

City Multi HVRF – a multi hybrid VRV system which can provide heating in one area and cooling in another area of building

Some of the many Mitsubishi Split units we support
  • PUZ-ZM200/250YKA R32 Power Inverter Heat Pump
  • PUZ-M200/250YKA R32 Standard Inverter Heat Pump
  • PLA-ZM R32 Power Inverter Heat Pump
  • PLA-M R32 Standard Inverter
  • PLA-ZM R32 Power Inverter Heat Pump
  • PLA-M R32 Standard Inverter
  • PLA-SM R32 Inverter Heat Pump
  • PKA-M R32 Power Inverter Heat Pump
  • PKA-M R32 Standard Inverter Heat Pump
  • SLZ-M R32 Inverter Heat Pump
  • PEAD-M R32 Power Inverter Heat Pump
  • PEAD-M R32 Power Inverter Heat Pump
  • PEAD-M R32 Standard Inverter Heat Pump
  • PEAD-M R32 Standard Inverter Heat Pump
  • SEZ-M R32 Inverter Heat Pump
  • PEA-RP R410A Power Inverter Heat Pump
  • PEA-RP R410A Standard Inverter Heat Pump
  • PAC-IF013B-E Air Handling Unit Controller
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