Xylem GOULDS e-SVI Series, Инструкция по эксплуатации

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4. If the rotation direction of motor is incorrect, follow these steps.
a) Stop the unit.
b) Disconnect the power supply.
c) Invert two of the three wires of the power supply cord.
5.2.3 Final operation
1. If installed, close the relief valve.
2. With the unit in operation, check that:
– No liquid is leaking from the unit or piping
– The nominal pressure is higher than the maximum pressure delivered by the unit
– At zero flow rate, the rated pressure is the same as the discharge pressure
– There are no unwanted noise or vibrations
– The current absorbed is in the rated limits
– The status of the protection device against dry running, if present
– The liquid is free of:
– Vortex through which air could enter the unit
– Foam that could cause unit fault
– Turbulence that is caused by the return piping or the bypass.
5.3 Set the mechanical seal
1. Close and open the on-off valve on the discharge side two or three times with the unit
running.
2. Stop and start the unit two or three times.
5.4 Stop the unit
1. Stop the unit.
2. Check that the motor stops.
3. Check that the motor does not turn in the opposite direction.
5 Operation
e-SVI series Instruction Manual 21