Reliable and simple 5-step control for AC fans with voltage controllable motor. The generated motor voltage has a perfect sinusoidal shape. This results in exceptionally quiet motor operation and extended service life. These fan speed controllers do not require configuration. Once connected, they are ready to use! Discover the complete range of Sentera transformer fan speed controllers here.
5-step fan speed control Transformer speed controllers are also called 5-step speed controllers. They regulate motor speed in steps. These type of fan speed controllers are easy to install. They don’t require any configuration. Some transformer fan speed controllers have a built-in rotary switch to manually adjust the fan speed. Other variants can be controlled remotely via Modbus RTU communication or via an analogue (0-10 Volt) control signal. Transformer fan speed controllers are cost efficient and have proven to be very reliable and robust.
Autotransformer technology Autotransformers are electrical transformers with a single coil. Via their different voltage taps, reduced voltages are made available. One of these voltages is connected to the motor. Thanks to this technology, they generate a motor voltage with a perfect sinusoidal shape. This results in exceptionally quiet motor operation and extended service life. A special impregnated coating reduces the electrical noise from the autotransformers. However, in quiet environments the typical humming noise caused by the transformer technology might be noticeable.
Monitor motor temperature Transformer speed controllers are available for single phase motors with a maximum current of 20 A and for three phase motors (3ph 230 Volt or 3ph 400 Volt) with a maximum current of 14 A. Some versions offer the 'TK monitoring' function to monitor the temperature of the motor. This functionality deactivates the motor in case of overheating to prevent motor damage. At the same time, the alarm output will be enabled to indicate a motor problem. In case your motor is not equipped with TK contacts, don’t forget to bridge the TK terminals of the fan speed controller or to deactivate the TK monitoring function.
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Monitor your fresh air supplyHVAC sensors monitor indoor air quality. Based on specific measurements supply and exhaust fan speed is regulated to guarantee sufficient fresh air supply and to optimise the energy efficiency of the ventilation system.>>>
Indoor Air Quality in hospitalsWhy is air quality in hospitals so important? A hospital is a place where both weak and healthy people come into close contact with each other. In Corona times, that is a frightening scenario that requires many precautions to make this possible in safe conditions. Monitoring indoor air quality is one of these precautions.>>>
CO2 monitoring in schoolsSentera CO2 meters help to reduce the spread of the COVID-19 virus in this school in Sint-Niklaas, Belgium. Continuously measuring CO2 concentrations in classrooms provides certainty about indoor air quality. Good indoor air quality is essential to prevent the spread of the COVID-19 virus.>>>
CO2 monitoring system to reduce the risk of COVID-19 contaminationFresh indoor air reduces the risk of COVID-19 contaminations. Sentera HVAC sensors check whether there is sufficient fresh air supply. In addition to the traffic light indication that is standard available on the CO2 sensors, an additional display can be added. The measurements can be visualised via this optional 5-inch touchscreen.>>>
Sentera provides innovative, easy-to-use control solutions for HVAC installations and ventilation systems. How to optimise your comfort, indoor air quality, safety and overall wellbeing? We have the answer!