6.6 Cleaning the strainer for the heating system
Note! The heat pump must be switched off at the main switch
before cleaning can be started.
Note! The heating circuit’s strainer must be cleaned twice a year
after installation. The interval can be extended if there is
evidence that cleaning twice a year is not necessary.
Figure 7. Dirt in the heat‐
ing system
1 Strainer
2 O-ring
3 Cover
Note! Have a cloth to hand when opening the strainer cover as
a small amount of water usually escapes.
To clean the strainer:
1. Switch off the heat pump.
2. Turn the shut-off cock to the closed position (see figure above).
3. Unscrew the cover and remove it.
4. Remove the strainer.
5. Rinse the strainer.
6. Reinstall the strainer.
7. Check that the o-ring on the cover is not damaged.
8. Screw the cover back into place.
9. Turn the shut-off cock to the open position.
10. Start the heat pump.
User manual 086U6297 Rev. 6 EN – 37
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