Application Limits - Sumoto OP4 Serie Manual De Instalación

APPLICATION
The OP4 motor can be coupled with any 4" submersible pump having the flange and joint
dimensions according to NEMA standards.
The motor is designed to be submerged and it is suitable for the following applications:
• water supply from deep wells;
• domestic and agricultural irrigation;
• booster pressurizing.

APPLICATION LIMITS

• Maximum water temperature: 35 °C
• Water pH: 5.8-8.6
• Maximum startings per hour: 30
• Minimum cooling flow rate: 0.08 m/s
• Maximum immersion depth 150m
• Voltage tolerance:±10%
• Vertical or horizontal use is allowed
• If the motor is combined with a frequency converter, please contact Sumoto Technical
Department
• Remind that in case of using the motor in aggressive environments, any anomaly or
malfunction are under the responsability of the installator
• If the motor is powered by an electric generating set, we recommend to:
− start the generating set before the motor
− stop the motor before the generating set
INSTALLATION
• The OP4 motor has been designed to work only submerged.
• A cable is provided: do not damage the motor while moving it and do not lift the motor
by the cable.
• After mounting the pump, check that the shaft is able to rotate and put some grease on
the joint.
• Choose the lead cable according to the table on the next page.
• Concerning the connection, please follow the instructions supplied with the cable
junction kit.
• Fix the cable to the delivery pipe in order to avoid damages.
Pumping explosive liquids or using the motor in hazardous
environments is strictly forbidden!
Make sure that the motor does not touch the bottom of the well!
Sand may damage the diaphragm, so keep the motor at least 1m
over the bottom of the well!
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EN