Mitsubishi Multi City Pressure Leak Test and Repairs
Job Description: Mitsubishi Multi City Pressure Leak Test and Repairs
Area: Hope Street, London
Issue Identified: Following a recent attendance and the investigation on site our engineer recommended a charge confirmation as the temperatures of the coil were not correct.
Works carried out:
- Isolated the Mitsubishi Multi City 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.
- Leak located on liquid flare condenser – reflared.
- 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.
- 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