You should never run a swimming-pool pump dry! The most likely problem, from the rather flimsy evidence in your question hinting at it not rotating, is not with the pump or its motor but a fault in the electrical supply to the pool plant, or in the timer or other pump controller.
The purpose of a swimming pool heat pump is to rise the temperature of the water. The pool then can be used for swimming even on days when the weather is not perfect. The swimming pool season is extended.
It is a great pump. It isn't only quiet but it also produces the highest water flow offered by any pump.
one and a half horsepower.
1/2 horse power
Because the pump is set to "vacuum to waste".
Alegria is a good reseller if you want to buy a heat pump for your swimming pool (in Belgium).
Pump the water out or put a cover over the pool.
Then you can't swim
To keep your swimming pool clean you will need a filters and a water pump. A vacuum would as be a good idea.
sodium chloride
not a valid question