After having removed the cap, fill the pump slowly through the filling hole so as to discharge any air pockets present inside. The product manual available here on our site or here in our DNA software provides useful information for the usage and maintenance of this product.
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Before installing the pump you must check that the rotating parts turn freely. For this purpose, remove the fan cover from its seat in the motor end cover. Insert a screwdriver in the notch on the motor shaft from the ventilation side.
Switch on and check that the direction of rotation is correct. If not, invert any two phases leads, after having disconnected the pump from the power mains.