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Loosen the screws that fix the cover to the
terminal block.
Insert the supply cable into the cable holder.
Connect the phases and ground to the
terminals.
Reposition the cover of the terminal block with
the related gasket.
Tighten the screws that fix the cover to the
terminal block
The pump has built-in , automatic reset
thermoamperometric protection.
In case of intervention by this safety device as a
result of overheating, disconnect from the power
supply and leave the motor to cool until it reaches
an acceptable temperature. Before re-using the
pump, check to verify the reasons which caused
the motor to overheat.
6. Operation
6.1 Preparation for Operation
Never allow the pump to run dry (without water).
This will cause damage to the shaft seal and
internal plastic components.
6.2 Starting the Pump
In a flooded suction type application (pump
below water level or in-line with primary pump),
the pump starts as soon as the shut-off valves in
the inlet are opened.
In non-flooded applications, the pump must be
primed by adding water within the suction piping
and pump cavity.
The pump starts working after switching on. The
suction action time depends on the suction
height and the length of the suction line.
If the pump does not work, check that all shut-
off valves are open and that there are no leaks
in the suction line where air can enter the water
line preventing activation.
7. Trouble-Shooting
Pump will not prime:
Insufficient water in pump casing
Primary pump not providing water
Incoming valve closed
Air leak in suction line
Motor does not operate:
Power is off
Circuit breaker has tripped
Pump is off by time controlled circuit
Motor connection is incorrect
Impeller is blocked by debris
Low Flow- High Filter Pressure:
Filter is dirty
Restriction in return line
Low Flow – Low Filter Pressure:
Inlet plumbing is blocked
Impeller is blocked by debris
Air leak in suction line
Motor rotation is incorrect
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