The pumping units installed inside the technical compartments are made in compliance with the UNI EN 12845 standard and are complete with every accessory capable of making the entire system intervene automatically if water supply is requested. In standard setups the groups can be made up of one or more electric or diesel pumps (main pumps) and a pilot compensation electric pump.
Pressurization group (UNI EN 12845)
Complies with the standards: UNI EN 12845/15 – UNI 11292 – UNI 10779
Technical features
Standard equipment with electric pump and motor pump
- Direct or star/delta starting contactors.
- High breaking capacity protection fuses.
- General terminal block for sending alarms to a remote panel in a manned room.
- Manual-or-automatic selector with key.
- Start/stop button.
- Electric pump management control unit with warning lights and display for operating indications as indicated by the UNI EN 12845 standard.
- Battery charger with constant charge control and failure alarm (motor pump).
- Buttons with breakable protection for manual emergency starting of a motor pump (motor pump).
- Recirculation circuit for cooling zero flow pumps.
- Flow indicator.
- Pompa con possibilità di manutenzione senza agire sul motore e tubazioni.
- Connection for flow meter circuit.
- Eccentric reduction in suction with single vacuum gauge and shut-off valve to limit the water speed parameters required by the UNI EN 12845 point 13.2.3 standard.
- Fuel tank with 6 hours of autonomy with collection tank and level indicator (motor pump).
- Diesel engine with water/water heat exchanger cooling system (if power ≥ 30 kW) (motor pump) and 2 starter batteries (motor pump).
Description of electric pump and motor pump electrical panel
- IP 55 steel sheet metal cabinet, protected with epoxy paints..
- Main disconnect switch with door lock that can be padlocked in the ON” position.
- Direct or star/delta starting contactors.
- High breaking capacity protection fuses.
General terminal board for alarm forwarding to remote panel in manned room. - Manual-or-automatic selector switch with key.
- Run/stop button.
- Electric pump control unit with warning lights and display for operating indications as indicated by UNI EN 12845 standard.
- Battery charger with constant charge control and failure alarm (motor pump).
- Push buttons with breakable protection for manual emergency starting of motor-pump.