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3
Maintenance
The pump should be serviced by qualified personnel only, after having been disconnected from the power mains. No routine
maintenance is required.
Safety Instructions
Fig.6
: Pay attention to the working limits (
Par. 3
). Improper use may damage the pump and other property, and injure people.
Fig.7:
The pump is not suitable for use with flammable or dangerous liquids.
Fig.8:
Make sure that the rated voltage and the mains voltage are compatible.
Fig.9:
The connections to the mains and grounding must be executed by qualified personnel (authorised electrician) in
compliance with local installation standards.
Fig.10:
Connect to the power mains using a multi-pole power switch with a switch-contact gap of at least 3 mm. As additional
protection from lethal electrical shock, install a high-sensitivity differential switch (0.03A).
Fig.11:
Make sure that unauthorized people do not have access to the pump.
Fig.12:
Disconnect the power supply to the electric pump or unplug the machine before carrying out any maintenance,
cleaning or handling operations. If the power cord is damaged it rust be replaced by qualified personnel to ensure against
hazards.
Fig.13:
Use the pump only within the limits specified on the rating plate.
Fig.14:
Do not run the pump with the port closed.
Fig.15:
Be alert to hazardous situations by power failure.
Fig.16:
Protect the pump from the weather.
Fig.17: Caution!
Avoid icing.
Fig.18:
Make sure the motor is properly ventilated.
Warning:
the motor can reach a temperature of 700C.
Troubleshooting
The Pump Does Not Start:
• Check the power supply.
Reset the ground fault interrupter or circuit breaker if it has triggered.
The thermo-amperometric protection incorporated in the single-phase versions may have activated:
It will reset automatically once the motor has cooled.
The Motor Starts But The Pump Does Not Deliver:
• The pump is sucking in air:
Check the liquid level,the tightness of the suction pipe and the operation of the foot valve.
The Pump’s Delivery Is Reduced:
• Check for throttling and direction of rotation in three-phase models.
The Pump Stops Occasionally:
• Triggering of thermo-amperometric protection(single-phase version)or of temperature relay due to excessive current input:
Contact an Authorized Service Centre.
* The manufacturer reserves the right to make minor changes to product design and technical specifications without prior notice unless these changes
significantly affect the performance and safety of the products. The parts described / illustrated in the pages of the manual that you hold in your hands may
also concern other models of the manufacturer’s product line with similar features and may not be included in the product you just acquired.
* Please note that our equipment has not been designed for use in commercial, trade or industrial applications. Our warranty will be voided if the machine is
used in commercial, trade or industrial businesses or for equivalent purposes.
* To ensure the safety and reliability of the product and the warranty validity, all repair, inspection, repair or replacement work, including maintenance and
special adjustments, must only be carried out by technicians of the authorized service department of the manufacturer.
