DHP-AX – 37
VUBMI102
Figure 15: Shut-off cock and strainer on the return line.
E
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.
Shut-off valve
Strainer
O-ring
Cover