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Danfoss – 31
VUBMF102
Both safety valves can be checked by turning the cap a quarter of a turn clockwise until the
valve lets out some water through the overflow pipe. If a safety valve does not work properly,
it must be replaced. Contact an authorized installer, see the “References” section.
The opening pressure of the safety valves is not adjustable.
6 .5
In the event of leakage
In the event of leakage in the hot water pipes between the heat pump and water taps, close
the shut-off valve on the cold water inlet immediately. Contact an authorized installer, see the
“References” section.
6 .6
Cleaning the strainer for the heating system
⚠
⚠
⚠
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
⚠
⚠
can be extended if there is evidence that cleaning twice a year is not necessary.
Figure 15: Shut-off cock and strainer on the return pipe .
NOTE! Have a cloth to hand when opening the strainer cover as a small amount of water usu-
ally 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.
Shut-off valve
Strainer
O-ring
Cover
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