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SPEEDBOXDUO

Double-pump wall-mounted driver with variable-frequency drive

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OPERATION
  • Compact wall-mounted controllers for the control of 2-pump booster sets.
  • SPEEDBOX DUO: Device for single-phase power supply. Each pump has its own variable-frequency drive, which makes the pumps work alternately and in cascade.
  • SPEEDBOX DUO SET: Device for three-phase power supply. It has a variable-frequency drive to control the main pump and a power relay to control the auxiliary pump. The operation is alternating, in each cycle of operation the first pump to start changes and it is always controlled by the drive.
TECHNICAL CHARACTERISTICS
  • Alternate operating sequence of the pumps.
  • Control panel with LCD screen with warning leds, START/STOP and AUTOMATIC push buttons.
  • Configuration system for easy and intuitive programming.
  • Pressure reading through external pressure transducer (included with drive).
  • Intensity current sensor with instantaneous reading.
  • Protections agains lack of water, overcurrent, abnormal supply voltage, shortcircuits and failure of transducer.
  • ART function (Automatic Reset Test), which connects the pump with a programmed periodicity until the water supply has been restored.
  • Register of alarms and operational controls (working hours, start counter, connections to the electrical network counter).
  • Automatic restore system after an interruption of power supply keeping the configuration parametres.
  • It's possible to connect a level switch as protection. This system is independent of the safety system against dryrunning operation.
  • Cooling system by forced convection (fan).


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