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Hydrostop
2.4
Starting
1. Switch pump on.
2. Pull out push-button on dry-running sensor –
pump starts.
Hold push-button until pull on push-button
lessens and it is held by the water pressure.
The water pressure required in the tee fit-
ting is at least 0.8 bar. At a lower water
pressure the dry-running sensor cuts out.
If the pump is stopped it needs to be star-
ted again as described above. Thus an
operation under automatic control (e.g.
time switch) is not possible.