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If the signal output of the standby pump is to be used for fault or operating indication, proceed as shown in fig. Fault or operating indication for twin-head pumps in standby operation: EN 61 and EN 61 Technische Daten Medientemperatur Wasser in Heizungsanlagen: Der Klemmenkasten kann wie folgt gedreht werden: The selector switch of pump 1 must have been set to either fault or operating indication in this operating mode.

Switch on the mains switch.

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Leuchtet nicht Die Versorgungsspannung ist abgeschaltet oder die Pumpe wurde vom Thermoschalter ausgeschaltet. The motor betriebsbedchreibung setting must be changed every time the pump speed is changed. Klemme T1 und T2. Check fuses and connections. The pump has been cut out by the thermal overload switch. Missing phase only threephase pumps. Die Drehzahl in den einzelnen Stellungen geht aus der nachstehenden Tabelle hervor: The pumps are factory-set to alternating operation as duty and standby pump.


Luft in der Pumpe. Fehlende Nwr nur bei Drehstrompumpen.

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As the pump is self-venting, it need not be vented before betrievsbeschreibung. In the case of single-pump operation, the selector switch must be set to either fault or operating indication.

Air in the system. External mains switch switched off. If the liquid temperature is lower than the ambient temperature, the drain holes in the stator housing must not be covered if the pump is insulated.

The pump is operating. Start-up Do not start the pump until the system has been filled with liquid and vented.

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The pump must be connected to an external mains switch with a minimum contact gap of 3 mm in all poles. The contactor must be connected to the thermal switch incorporated in the pump, terminals T1 and T2, to protect the pump against overloading at all three speeds.

Reduce the pump performance change to lower speed.


Norm, die verwendet wurde: Technical data The speed switch in the terminal box can be turned to three positions.

The direction of rotation is wrong.

All pumps incorporate a thermal overload switch in the stator. For water with a higher degree of behriebsbeschreibung a directcoupled TP pump is recommended. Switch off the electricity supply by means of the external mains switch and fit the speed switch module. Leuchtet Leuch- Die Versorgungsspannung ist tet nicht eingeschaltet.

Check that the liquid temperature falls within the specified range.