en - Original instructions
9
DANGER: Electrical hazard
Before starting work, check that the
unit is unplugged, and that the unit,
the control panel and the auxiliary
control circuit cannot restart, even
unintentionally.
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
Connect the plug to a socket with
protection conductor (earth).
DANGER: Electrical hazard
Install suitable systems for protection
against indirect contact, in order to
prevent lethal electric shocks.
DANGER: Electrical hazard
Check that the power supply line is
provided with a mains disconnection
device with contact opening distance
ensuring complete disconnection for
overvoltage III category conditions.
NOTICE:
Install appropriate devices for protecting
the motor from overloads and short
circuits. For three-phase motors install
one of the following thermal protections:
•
trip class 10 A overload thermal
relay + aM fuses (motor start-up), or
•
10 A start-up thermal magnetic
switch.
5 Use and operation
DANGER: Electrical hazard
Do not use the unit in swimming pools or
similar places when people or animals
are inside.
WARNING: Electrical hazard
Check that the unit is properly connected
to the mains power supply.
6 Maintenance
WARNING:
Maintenance must be done by a
technician possessing the technical-
professional requirements outlined in the
current regulations.
WARNING:
Always wear personal protective
equipment.
WARNING:
Always use suitable working tools.
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.
