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4.2.2 Discharge Line
4.3 Electrical connection
When designing pipes, fittings etc., make sure that the flow
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resistance is as minimal as possible.
Make sure that the flow velocity does not exceed 1 m/s in the
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suction line.
Make sure that the guide value for the flow velocity in the dis‐
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charge line is 3 m/s.
You have to install a choke valve into the discharge line to reg‐
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ulate the delivery flow.
Protect the motor with a motor protection switch.
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Switch off the supply voltage a minimum of 5 minutes before
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opening the terminal box.
Check whether the data on the nameplate matches the avail‐
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able power supply.
Make sure that an electrician technician wires the electrical
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connectors and provides the additional protection in accord‐
ance with the regional regulations and standards.
Arrangement/Installation
15
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