Before starting the electric pump check again electric and hydraulic connections and relevant rating. Check that all safety procedures and their good functioning have been activated. Check that the electric pump is correctly immerged and that the liquid level is allowing correct starting. Start the electric pump and check that the current does not exceed the plate value and that the supply voltage is within the foreseen limits. Adjust, when present, the correct rating of the protection relay according to the working current value, the relay must be rated 10% more than the electric pump plate value. If the unit does not start, do not insist. Identify the malfunction and repair the causes. We recommend you read the instruction manual of the Feka 2000 (also available in our DNA software) for useful information for use, maintenance and installation.
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The single phase electric pump rotates always in the correct direction.
In case of wrong rotation direction stop immediately the electric pump and inform the distributor or the Technical office.
Check’ the exact rotation direction of three-phase electric pumps proceeding as follows:
- Slightly tilt the pump to one side or hang it from a lifting means;
- Start the electric pump for a few seconds, making sure that the kick-back does not become a danger hazard;
- The correct direction is indicated by harrows on the electric pump cover and pump body. If the kick-back has been anti-clock wise viewing the electric pump from above, then the rotation direction is correct
If the rotation direction is wrong, disconnect the power supply and reconnect the electric pump to the main by switching two of the three phases with each other. The rotation direction must be checked again every time the electric pump is electrically disconnected or an intervention is necessary in case of phase failure. attention! The running on wrong rotation direction causes an overload to the motor and heavy damages to the electric pump. We recommend you read the instruction manual of the Feka 2000 (also available in our DNA software) for useful information for use, maintenance and installation.
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In case it should be necessary to extend the length of the electric cable verify the good quality and the correct section in relation with the length and the motor power.
The connection must be executed by care of skilled personnel and with materials that guarantee a perfect insulation of conductors, tightness and impermeableness lasting in time.
The eventual replacement of electric cable must be carried out by skilled personnel using electric cable H07RN-F. The cable is suitable for connection type M according to normatives EN-i-60335-1 (CEI 61-50). We recommend you read the instruction manual of the Feka 2000 (also available in our DNA software) for useful information for use, maintenance and installation.