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CO control, AC induction motor


Forced ventilation can help remove a build-up of toxic gases such as carbon monoxide (CO) and nitrogen dioxide (NO2) from a room. For example cars with combustion engine moving around an enclosed parking garage, can cause such an accumulation of CO and NO2. This solution controls the AC fan speed in function of the measured CO or NO2 level. The higher the measured concentration, the higher the fan speed will be. The range minimum and maximum levels and all other parameters can be adjusted via Modbus RTU. The power supply provides extra protection against short circuits and overload at the 24 VDC side. In case the motor windings feature an integrated temperature sensor (TK or PTC), it can be monitored on continuous base. As soon as the motor temperature becomes too high, the motor is disabled to protect it from breaking down. This control solution is designed for three phase 230 VAC motors with a maximum current of 10,5 A

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Convertitore di frequenza, IP20, IN: 1 ph., OUT: 3 ph., 200-240 VAC, 10,5 A, 2,2 kW, filtro EMC interno, ODE-3-220105-1F42.
Multifunctional room transmitter: T, rH and CO/NO2, replaceable CO/NO2 module, supply voltage: 18-34 VDC, analogue / modulating outputs: 3 x 0-10 VDC / 0-20 mA / PWM, selectable T, rH and CO/NO2 ranges, integrated ambient light sensor, Modbus RTU communication.
Modulo di alimentazione su guida DIN CV 24 VDC/36 Watt, tensione di alimentazione: 85-264 VAC / 50-60 Hz, tensione di uscita 24 VDC/Iout: 1,5 A.
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