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en – Original Instructions
DANGER: Electrical hazard
Check that the external protection conductor (ground) is longer than the phase conductors. In
case of accidental disconnection of the pump set 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.
7.3 Connecting the control panel
NOTE:
The mains voltage and frequency must match the specifications on the data plates.
NOTE:
It is forbidden to protect the power supply line from voltage overloads.
1. Refer to the wiring diagrams.
2. Connect the protective conductor (ground) to the control panel.
3. Connect the power conductors to the control panel.
4. If the pump set includes a priming tank:
5. If necessary, connect the dry contacts for the following notifications:
92
• Remove the jumper on the float switch terminals
• Connect the float switch.
• Lack of mains power
• Failure to start
• Motor run
• Pump on demand.
GEM, GEMJ – Fire-fighting Pump Set
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