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Manual motor control
Manual motor control
These electronic fan speed controllers are designed for continuous variable speed control of single phase voltage controllable motors with a maximum current of 10 A. Via the integrated potentiometer, the fan speed can be regulated manually. Some devices control the fan from high to low speed and other devices from low to high speed. Some product series feature a potentiometer, separate ON-OFF switch and the possibility to choose between soft start or kick start acceleration of the motor.
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Analogue input motor control
Analogue input motor control
These electronic fan speed controllers are designed for continuous variable speed control of single- or three phase voltage controllable motors with a maximum current of 10 A. An analogue control signal is required as fan speed reference. The motor voltage is regulated in function of this analogue control signal. There are many possibilities to generate an analogue control signal. Following examples are commonly used in the HVAC industry: a control switch, a potentiometer, a transmitter, an intelligent sensor, etc.
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Temperature based motor control
Temperature based motor control
These fan speed controllers automatically regulate the speed of single phase voltage controllable motors with a maximum current of 6 A in function of the measured temperature. The maximum speed can be adjusted via an internal trimmer. The minimum speed and temperature setpoint can be adjusted via external potentiometers. Some devices also feature integrated controls for electric heating elements.
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Demand based motor control
Demand based motor control
Manual or demand based ventilation control for single phase voltage controllable motors up to 1,5 A. The fan speed can be selected manually via the 3-button keyboard or automatically. In automatic mode, a Sentera HVAC sensor can be connected to the RDCZ controller to regulate the fan speed in function of the measured temperature, relative humidity, carbon dioxide level or differential pressure. RDCZ is designed for inset or surface mounting.
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