en – Translation of the Original Instructions
e-SV series – Additional Installation, Operation and Maintenance Instructions 25
4.5 Electrical connection
DANGER:
All the hydraulic and electrical connections must be completed by a technician possessing the
technical
-professional requirements outlined in the current regulations.
DANGER: Electrical hazard
Before starting work, check that the unit is
unplugged and that the pump unit, the control
panel and the auxiliary control circuit cannot restart, even unintentionally.
NOTICE:
Before starting work, make sure that the general electric requirements and/or those of the
firefighting systems (hydrants or sprinklers) comply with local regulations.
4.5.1 Ground
DANGER: Electrical hazard
Always connect the external protection conductor (ground) to the ground terminal before
attempting to make any other electrical connections.
DANGER: Electrical hazard
Connect all the electrical accessories of the pump unit and motor to the ground.
DANGER: Electrical hazard
Check that the external protection conductor (ground) is longer than the phase conductors; In
case of accidental disconnection of the unit from
the phase conductors, the protection
conductor must be the last one to detach itself from the terminal.
DANGER: Electrical hazard
Install suitable systems for protection against indirect contact, in order to prevent lethal electric
shocks.
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