Electrical Installation; Electrical Requirements - FLOWTECH flowboost G.V Operation And Maintenance Manual

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Electrical Installation

EQUIPMENT HAZARD. Rotating shafts and electrical equipment can be hazardous. All electrical work must
conform to national and local electrical codes. Installation, start-up, and maintenance must be performed by
trained and qualified personnel. Failure to follow these guidelines could result in death or serious injury.
All electrical wiring must be carried out by an authorized electrician, in accordance with the electrical
regulations locally in force.
See the wiring diagram that is located inside the control panel for electrical connections.

Electrical requirements

The local regulations in force overrule specified requirements listed below.
Electrical connection checklist
Check that the following requirements are met:
The electrical leads are protected from high temperature, vibrations, and collisions.
The current type and voltage of mains connection must correspond to the specifications on the data plate on
the control panel.
Make sure that the supply cable can handle the rated current of the booster unit, and connect it to the
corresponding terminals in the electric panel. The wiring diagram and the labels on the panel provide the
necessary information for connection and the required power supply values.
Connect the power supply cable:
Single phase version to the L - N terminals, PE to grounding terminal
Three phases version to L1, L2, L3 terminals, PE to grounding terminal.
Cables, when visible, must be suitably protected
The power supply line is provided with:
A high-sensitivity differential switch (30 mA) [residual current device RCD] suitable for earth fault currents with
DC or pulsating DC content (a type B RCD is suggested)
A mains isolator switch with a contact gap of at least 3 mm. The electrical control panel checklist
In its standard version, booster unit is shipped with control panel.
When booster unit is sold without control panel, to secure that the control panel must match the ratings of the
electric pump.
Incorrect combinations could fail to guarantee the protection of the unit.
Check that the following requirements are met:
The control panel must protect the pump against short-circuit. A time lag fuse or a circuit breaker (type C
model is suggested) can be used to protect the pump.
The pump has built in overload and thermal protection, no additional overload protection is required. Electrical
Hazard:
Before starting work on the unit, make sure that the unit and the control panel are isolated from the power
supply and cannot be energized.