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HVAC controllers
HVAC controllers
A good ventilation system requires a smart HVAC control system that is easy to use. The HVAC controller can be seen as the central brain of the ventilation system. With more than a decade of experience in the HVAC sector, we can easily understand your application. We translate this knowledge and experience in the software that is already integrated in our products. No need for you to write complex algorithms, just connect all devices together and select your application! Sentera HVAC controllers can work stand-alone or can be connected to the internet for data logging or remote control.
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HVAC transmitters and sensor controllers
HVAC transmitters and sensor controllers
How to monitor indoor air quality? Indoor air quality or IAQ is not merely a matter of how the environment feels, polluted indoor air has a direct impact on our health and well-being. Together with the increased thermal insulation of our buildings, the importance of smart ventilation systems is rising in order to maintain a good indoor air quality and to minimise energy losses. The following parameters have a direct impact on the health, the sense of well-being and the comfort of the residents: temperature - relative humidity – carbon dioxide or CO2 – VOC or Volatile Organic Compounds – carbon monoxide or CO – nitrogen dioxide or NO2. To monitor or control the amount of fresh air that is supplied into a building, it is important to monitor and control differential pressure, volume flow and air velocity. As a specialist in control solutions for HVAC and ventilation systems, Sentera developed a wide range of HVAC transmitters and sensor controllers – each with its own, specific purpose. All of them can be found in this section.
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Electronic variable speed controllers
Electronic variable speed controllers
How to control AC fan speed? Here you can find continuous variable speed controllers for single or three phase AC voltage controllable motors and fans in HVAC applications. Electronic variable fan speed controllers allow you to regulate the speed of AC fans manually or demand based. Phase angle control (TRIAC technology) is used to adjust the motor voltage and to control the fan speed. Thanks to this technology, these speed controllers are completely silent. Depending on the motor type, some additional motor noise at low speed might occur. Fan speed controllers offer you advantages in terms of comfort - optimisation of the supply of fresh air in your building, in terms of health - improvement of the indoor air quality as well as in environmental terms - thanks to the optimised airflow, your ventilation system will be more energy efficient.
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Transformer fan speed controllers
Transformer fan speed controllers
How to control AC fan speed? Here you can find 5-step fan speed controllers for single or three phase voltage controllable motors in HVAC applications. Fan speed controllers with autotransformers provide a simple, yet robust solution to control the speed of single or three phase voltage controllable motors by varying the motor voltage in steps. This technology generates a motor voltage with a perfect sinusoidal shape, guaranteeing a quiet motor operation. A special impregnated coating reduces the electrical noise from the autotransformers. These speed controllers allow you to control AC fan speed manually or demand based. In general, fan speed controllers offer you advantages in terms of comfort - optimisation of the supply of fresh air in your building, in terms of health - improvement of the indoor air quality as well as in environmental terms - thanks to the optimised airflow, your ventilation system will be more energy efficient.
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Frequency inverters
Frequency inverters
How to control AC fan speed? Another possibility are Variable Frequency Drives - VFD or frequency inverters that offer very precise motor control for various motor types: single phase AC motors, IE2, IE3 and IE4 induction motors, AC permanent magnet motors, brushless DC motors and synchronous reluctance motors can be controlled via our frequency inverters. A frequency inverter uses IGBT technology to vary both motor voltage and frequency via pulse width modulation, guaranteeing a very precise motor control. Thanks to the integrated macros, configuration of the devices remains easy. Pump mode makes energy efficient pump control possible. Fan mode (incl. fire operation) makes air handling a breeze, ideal for simple HVAC systems. This technology is designed for those applications that require a very efficient and precise motor control.
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Control switches and Potentiometers
Control switches and Potentiometers
How to control EC fan speed? How to control a damper position? EC fans, frequency inverters, fan speed controllers, damper actuators and many other devices require an analogue control signal, e.g. 0-10 VDC, 0-20 mA or 0-100% PWM to regulate the fan speed or damper position between a minimum and a maximum value. Sentera offers a wide range of control switches and potentiometers to manually generate a stepped or continuous variable control signal.
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Electric heater controllers
Electric heater controllers
Electric heater controllers feature time-proportional control for electric heating elements. The ratio between on-time and off-time alters in order to fit the heating requirements. The current controllers are Triac-switched which minimises wear and tear, while enhanced control accuracy reduces energy costs.
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Autotransformers
Autotransformers
Autotransformers are electrical transformers with one winding, featuring different taps intended for voltage adjustment. Autotransformers are the core of Sentera transformer fan speed controllers but can also be used in applications that require an AC power supply inferior to the main voltage.
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Power supplies
Power supplies
Sentera solutions, sensors and controllers require one or more power supplies that supply all connected devices and increase reliability and safety. Our product range features power supplies with output voltages of 24 VDC, 24 VAC or 12 VAC.
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Network and configuration tools
Network and configuration tools
Combine the strength and intelligence of different Sentera devices and create your personal control platform. When different Sentera products are connected via Modbus RTU, they can share information and control fans, dampers and other external devices. Data logging and parameter configuration can be done locally or remotely via internet. Tell us about your application and we’ll provide dedicated firmware for your personal control platform.
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Motor switches & protection
Motor switches & protection
Discover the possibilities to operate electric motors and fans in a safer way. Electric motors are everywhere in our world. In our society, much attention is paid to the safety of electric circuits. Electric motors in particular require extra protection, since they usually go together with higher currents and moving mechanical parts.
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Fire safety components
Fire safety components
Components, required to assure the fire safety of your building. >>>
Spare parts
Spare parts
In the unlikely case that your high quality Sentera product is broken, you can find typical spare parts in this group. >>>
End of life approaching
End of life approaching
These articles are end of life approaching. The new variant is mentioned in the product details. We advise to switch to the more recent products.
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Discontinued
Discontinued
The products in this group are no longer available. The manuals and technical specifications of these products can still be downloaded here. If an alternative for the discontinued product is available, it is mentioned in the product details.
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