SAER Elettropompe IR Series, Руководство по эксплуатации и обслуживанию

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ELETTROPOMPE
®
8. DECOMISSIONING AND DISPOSAL
At the end of the operating life of the pump/electropump or any of its parts, it must be disposed of in observance of current regulations. This is also valid for the
liquid contents, with particular regard if classified toxic or harmful.
9. TROUBLESHOOTING
In the event of difficulty in identifying the cause and/or remedy, we recommend you contact our customer support department.
10. SPARE PARTS
Use only original spare parts. To order spare parts, refer to the catalogues or contact the SAER Technical Assistance specifying the kind of pump, the serial number
and the year of manufacture (all these data are to be found in the identification plate).
This product is free from manufacturing defects.
PROBLEMS
CAUSES REMEDIES
The motor doesn’t start and there is no noise or vibration
No voltage in the motor cable. Check the device and/or electric line.
The fuses are burnt out. Replace the fuses with others of the same value.
Motor cable interrupted. Repair or replace the cable.
Motor broken. Replace the motor.
The motor doesn’t start and there is noise and/or vibration
The motor was incorrectly connected. Correct the incorrect connection (see “Electrical connection”).
The condenser is broken (for single-phase motor). Replace the condenser.
The rotating part is hindered. Disassemble and remove the cause.
The electrical protection devices are triggered
The power supply voltage does not match that shown on the motor plate. Change voltage or motor.
A cable is grounded or has a short-circuit. Repair or replace the cable.
The winding is grounded. Disassemble the motor and repeat the winding or replace the motor.
Cable terminals loose. Tighten all the terminal clamps.
The rotating part is blocked. Disassemble and remove the cause.
Excessive amount of sand in the water. Reduce the flow rate using the delivery shutter.
Density and/or viscosity of liquid too high. Contact the manufacturer.
Insufficient or no flow rate
The pump was not correctly filled with liquid. Fill the pump.
The intake pipe is narrow or has leaks. Replace the pipe or gasket.
The foot valve is clogged. Clean or replace the valve.
Impeller obstructed. Disassemble and overhaul.
The level in the well is lower than anticipated. Adjust the flow rate of the pump to that of the well.
Head less than declared
Incorrect rotation direction. Change the rotation direction.
Leaks in the delivery pipe. Replace the damaged pipe or gasket.
Inside parts worn. Disassemble and overhaul.
Air or gas in the water. Contact the manufacturer.
The pump operates irregularly and/or vibrates.
Pump operating with head too low. Adjust the shutter on the delivery pipe.
Mechanical parts worn. Disassemble and overhaul.
System NPSH is insufficient. Reduce the flow rate.
Lower the installation level.
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