15
The following maintenance should be done by the user at least quarterly. In areas
where excessive debris is present in the water (i.e. at construction sites or where repairs
were done on municipal water lines) more frequent maintenance may be required.
Before undertaking any maintenance on the heat pump, engage the Standby Mode as
indicated in section 3.2 Heat pump modes.
The strainer can be cleaned by using the diagram above and following the steps listed below:
1. Close the outlet and inlet ball valves at the heat pump.
2. Remove the Bonnet of the strainer by using the correct size spanner.
3. Remove the strainer element or Sieve.
4. Rinse and clean the strainer element under running water by slightly opening the
inlet ball valve.
5. Reinsert the strainer and close the Bonnet hand tight only.
6. Open the outlet ball valve slightly to allow any air that may have entered into the
heat pump to be released through the strainer.
7. Close the bonnet completely now by using the correct size spanner again.
8. Open the ball valves to the full open position.
7
Maintenance and Servicing
Self-maintenance by the user
7.1
Cleaning the strainer
7.1.1
Outlet ball valve
Strainer element
Bonnet
Strainer
Inlet ball valve
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