- Type: Pump controller,
- Number of supported pumps: 1,
- Maximum power: 2.2 kW,
- Power supply: ,
- Frequency: Hz,
- Maximum ambient temperature: °C,
- Minimum ambient temperature: °C,
- Dimensions: cm,
- Weight: 1.5 kg.
CONTROLLER UTILITY FUNCTIONS
• Automatic attempt to start the pump after its emergency shutdown by one of the protection functions. For different emergency situations - different self-activation times.
• Possibility to calibrate and change the calibration of the controller to work with a given pump.
• Turning the pump on and off depending on:
o Water level in the tank from which we pump,
o Water level in the tank into which we pump,
o Pressure values in the tank into which we pump,
• Possibility to work in automatic or manual mode.
• Various on/off signal sources: Probes, floats, pressure sensors.
CONTROLLER PROTECTIVE FUNCTIONS
• Double protection against dry running provided by:
o Fluid level probes/sensors,
o Analysis of the current consumption of the operating pump,
• Overload protection,
• Protection against voltage drop,
• Protection against voltage surges,
• Overvoltage protection,
• Short circuit protection.
Additional functions M21
The M21 controller additionally has:
• Function of displaying the accumulated pump operating time,
• Function of displaying the history of the last five failures in which protection functions were activated,
• Dynamic LCD screen displaying the current pump operating status.
