Piusi E300 - Maintenance; Problems and Solutions

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EN
This manual is the property of PIUSI S.p.A. Any reproduction, even partial, is forbidden.
E300
ENGLISH (Translated from Italian)
P MAINTENANCE
Foreword The unit is designed and built to require a minimum of maintenance. In any case always
remember the following basic recommendations to ensure a good functioning of the unit:
In case of frost risk, empty the pump completely.
Before a long period of inactivity, empty the pump, rinse it with water and store it in
a dry place. Before restarting it, check its correct operation by turning it on and off
shortly. Aerwards fill the pump with delivery fluid and prepare it for use.
ATTENTION DISCONNECT THE HYDRAULIC POWER DURING ANY MAINTENANCE
OPERATION ON THE UNIT
Q PROBLEMS AND SOLUTIONS
PROBLEM CAUSE SOLUTION
THE MOTOR DOES NOT
START
No mains voltage Check the voltage
Pump impeller locked Remove the hydraulic part and
check if the impeller is free to
rotate. Reinstall carefully
Thermostat disconnected
THE PUMP DOES NOT
SUCK
Suction valve outside the fluid Place the valve into the fluid
(minimum 30 cm below the
level)
Pump chamber without fluid Pour the fluid into the suction
fiing
Air in the suction hose Check the seal of suction hose
No hermetic suction valve Clean the suction tube
Dirty suction filter Clean the filter
Maximum suction height exceeded Check suction height
INSUFFICIENT FLOW-RATE Suction height too high Check suction height
Dirty suction filter Clean the filter
Fluid level lowers quickly Place suction valve lower
Pump flow-rate reduced by foreign
objects
Clean the pump and replace
worn parts
THE THERMAL SWITCH
TURNS OFF THE PUMP
Overload motor. Too much friction
caused by foreign objects
Remove foreign objects Wait
until thermal protection switch
trips again
If the fault cannot be removed, contact the authorised service department nearest to you. To avoid
any damage during transport, PLEASE CARRY OUT THE SHIPMENT WITH ORIGINAL PACKAG-
ING.