Maintenance of MITSUBISHI PACKAGED UNIT should be providing on a regular base 2-3 times a year in UAE climate conditions. Standard ac maintenance work should include:
Diagnostic and inspection of MITSUBISHI PACKAGED UNIT, compressor diagnostic.
Check up a condition of the pipes line.
Check up of fuses.
Check up of all electrical connections
Cleaning of air filters.
Rinse the evaporator by pressured water
Cleaning of condenser unit by pressured water (if necessary).
Refuel a compressor with refrigerant (if necessary).
Elimination of minor malfunctions that do not require disassembly of equipment and replacement of parts.