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Electrical connection:
The electric cable should correspond to EEC standards or to type HO7RN-F as per
VDE 0250.
The electrical installation should be protected by means of a differential switch.
Single-phase motors include thermal protection.
For three-phase motors the end-user should foresee protection as per the legislation
in force.
The connection symbols (see drawing) make the electric connection
Controls prior to initial start-up:
Check that the tension and frequency of the mains correspond to those indicated
on the characteristics plaque. Make sure that the motor shaft turns freely.
Check that the sense of rotation of the motor coincides with that indicated on the
fan cover.
On three-phase motors, if the sense of rotation is incorrect, invert two phases on the
protection panel.
Start-up
Open all the gate valves that exist on the suction and discharge circuits.
Check the absorbed current and duly adjust the thermal relay only in the case of the three-
phase version.
If the motor does not work or does not extract the indicated flow of liquid, try to discover the
anomaly from the list of the most usual breakdowns and their possible solutions that figure in
this manual.
Maintenance and conservation
Our pumps do not need any type of maintenance. It is only recommended, to periodically
clean the filter that is situated on the suction.
To store the pump, first clean it, oil the gears and store in a dry place
Manual de instrucciones/Manual/Manuel d'instructions "
"R" SERIES
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