Installation Position; Coupling With Pump; Motor Powered By Frequency Converter; Installation - Espa O4I Serie Manual De Instrucciones

3.2.Installation position

All motors can be vertically or horizontally installed , as shown in the figure below.

3.3 Coupling with pump

Ensure a correct connection between motor and pump. Improper combinations can cause problems.
WARNING
Particularly, before coupling with pump, check that:

power pump coupled to the motor is less than or equal to motor power;

voltage and frequency of power supply line correspond to motor nominal ones;

motor and pump shafts run without impediments.

3.4. Motor powered by frequency converter.

All motors can be powered by a frequency converter (30 Hz - 50/60 Hz).
WARNING
If the motor is coupled with a frequency converter, make sure you never exceed nominal powered
motor
At minimum frequency of use, ensure such a flow of water to have the minimum speed specified in section 3.1, in order
to guarantee a correct motor cooling.

4. Installation

Keep the manuals carefully.
Installation procedure must be carried out only by skilled and experienced staff, using suitable equipment
and protections, according with safety standard.
Always refer to rules, laws, local and/or national regulations concerning installation, water and power connections.
Verify the correct pairing of electrical data between panel and pump. Improper combinations can
WARNING
cause problems and fail to protect electric motor.

4.1.Laying in well or tank

If the pump has been installed in vertical position, ensure that the motor does not lay on bottom well or tank and so make
sure that the motor is raised. If the pump has been in tank installed, put it entirely inside a tube which ensures the correct
cooling water flow to the motor (minimum 0.2 m / s).
frequency.
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