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It is suggested that the commercial heat pump be serviced annually, to
retain optimum performance. Servicing must be performed by a suitably
qualified person.
Annual Service
1.
Check for leaks at all fittings.
2.
Check for signs of excessive corrosion on storage tank(s) jacket(s) and heat
pump casing.
3.
Check for sludge build up and if necessary drain and flush storage tank(s).
4.
Clear hot water pump impellor and ensure free rotation.
5.
Clear cold water pump impellor and ensure free rotation.
Check condensate drain for blockages – clear if necessary.
6.
7.
Isolate power to heat pump and check all electrical connections for signs of
overheating due to poor connection.
8.
Check for vibration or excessive noise from compressor and hot and cold
water pumps.
9.
Check refrigerant pressures and adjust refrigerant charge if required.
Visually check system for any potential problems.
10. Confirm correct system operation.
Five Year Service
1.
As per annual service.
2.
Inspect and if required, replace storage tank anode(s). If the anode is not
replaced, it should be replaced within three years of this service.
3.
Replace temperature and pressure relief valve or expansion control valve.
Refer to Service manual for more information.
REGULAR CARE
12
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