Danfoss DHP-AL, User Manual

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Danfoss – 32 VUBMF102
6 .7 Cleaning the strainer for the brine circuit
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The heat pump must be switched off at the main switch before cleaning can be started.
The brine circuit’s strainer must be cleaned twice a year after installation. The interval
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can be extended if there is evidence that cleaning twice a year is not necessary.
Figure 16: Strainer in the filler cock .
To clean the strainer:
1 Switch off the heat pump.
2 Remove the insulation around the filler cock.
3 Turn both shut-off cocks to the closed position (see figure above).
4 Unscrew the cover and remove it.
5 Remove the strainer.
6 Rinse the strainer.
7 Reinstall the strainer.
8 Check that the o-ring on the cover is not damaged.
9 Screw the cover back into place.
10 Turn both shut-off cocks to the open position.
11 Reinstall the insulation around the filler cock.
12 Start the heat pump.
Shut-off valve
Shut-off valve
Strainer
O-ring
Cover