Schematic overview
AC motor 3 A | pressure control 0 - 2.000 Pa | TK monitoring
Solution description
Variable air volume flow (VAV) for AC fans with single-phase motor. The maximum motor current is 3 A. The fan speed is controlled in function of the differential pressure. The differential pressure setpoint can be adjusted via Modbus RTU. This solution can also control air volume flow. It compensates clogging air filters or variable demands to guarantee a constant supply of fresh air. If the motor is equipped with thermal contacts (TK), the fan speed controller can detect motor overheating in an early stage and disable the motor to prevent damage.
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