Maintenance; Troubleshooting Guide - PSH Pools ND.1 Serie Betriebs- Und Wartungshandbuch

Protection from ice
7
If the pump is not going to be used during the winter, it must be drained to avoid damage
caused by icing. To drain the pump, remove the pump drain plug (69) from the pump hous-
ing. Do not refit the draining screw until the pump is used again.

Maintenance

8
Under normal working conditions the pump needs no any specific maintenance.
Trouble shooting guide
9
Trouble
The pump works, but does not prime
The pump does not work satisfactorily
Cause
1) The pump has not been filled with water
2) The pump has not been purged
3) Filtration in the suction pipe / hose
4) Incorrect closing of the transparent lid
- Check the pre-filter basket
- Tighten thumb screws of the lid equally
5) The suction is too high
- The maximum height allowed is 3m
6) The sum of the load losses from the installation
exceeds the pumping capacity
- Recalculate the pressure required
7) Mechanical seal leaking
1) Incorrect rotation direction (only three-phase
pumps)
- Change the rotating direction
2) The pre-filter basket or the skimmer are dirty or
blocked
- Clean the pre-filter basket
3) The water level in the swimming pool is too low
- Increase the water level up to the 1/2 of the
pool capacity
4) The suction pipe/hose is partially blocked by im-
purities
- Clean the suction pipe/hose
GB