Maintenance; User Maintenance And Cleaning - OEG 650 001 330 Installation And Operating Instruction

The heat pump should be inspected in regular intervals. Maintenance works are necessary
at least once a year and have to be recorded afterwards in order to ensure the longest
possible service life of the heat pump.
1. Visual inspection of the system for irregularities.
2. Dirt separator and filter should be cleaned every 6 months to ensure the system
is clean and to avoid blockages.
3. Heat pumps should always be kept clean. Leaves and dirt must be removed regularly.
Make sure that there are no obstacles placed in front of or behind the heat pump.
Good ventilation and regular cleaning of the evaporator support the efficiency of the
heat pump. The drain hole for condensate and defrost water must always be kept free.
4. In order to ensure frost protection of the heat pump, permanent power supply is of
utmost importance.
5. Power supply and electrics must be checked.
6. Water supply system, safety valves and automatic vent must be function-tested.
There must not be any air in the system because this will reduce the water circulation.
7. The system pressure must be tested. A pressure that is too high can
damage the heat pump. Low pressure will result in malfunctions.
8. Water pipe and pipe screw connections must be tested for leaks.
9. All unit components must be function-tested. Pipe joints and valve branches must
be tested for refrigerant leaks.
10. The plate heat exchanger must be chemically flushed every 3 years.
11. The error memory at the control unit must be checked.
Multi-functional DC inverter air/water heat pump
87
6

Maintenance

6.1
User maintenance
and cleaning
GB