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Differential pressure control: 0 - 2.000 Pa, AC induction motor


How to maintain constant pressure, even in case of polluted air filters? How to guarantee a constant volume flow, even in case of variable demands? The requested differential pressure (Pa), volume flow (m³/hr) or air velocity (m/s) can be adjusted via Modbus RTU or via the RDCV 3-button interface. The AC fan will be controlled to maintain the requested value constant. The temperature sensor that is integrated in the motor windings (TK or PTC) is monitored on continuous base. As soon as the motor temperature becomes too high, the motor is disabled to protect it from breaking down. The 24 VDC power supply increases the safety of your electrical installation thanks to overload and overvoltage protection. This control solution is intended for single phase motors with a maximum current of 10,5 A.

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Frequency inverter, IP20, IN: 1 ph., OUT: 1 ph., 200-240 VAC, 10,5 A, 1.1 kW, Internal EMC Filter, ODE-3-220105-1F42-01.
Differential pressure transmitter (high resolution), range: 0-2.000 Pa, integrated K-factor, analogue / modulating output 0-10 VDC / 0-20 mA / PWM, Modbus RTU communication, supply voltage: 18-34 VDC / 15-24 VAC ±10 %, version 2.
Digital residential fan speed controller with analog/modulating output, Modbus RTU communication, supply voltage: 110-230 VAC ± 10 % / 50-60 Hz, out: infinitely between U, I or PWM levels (0-10 VDC / 0-20 mA / 0-100 %), 7-segment indication, enclosure colour: anthracite.
DIN rail power supply module CV 24 VDC / 36 Watt, supply voltage: 85-264 VAC / 50-60 Hz, output voltage 24 VDC / Iout: 1,5 A.
Differential pressure connection set PVC.
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