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EC fan heater controller | Wi-Fi and LAN gateway

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Article code TA-W-000001
Current stock 0 U.
Factory lead time 4 Week(s)

Solution description

Industrial fan heater controller with cloud connection. EC fan speed is regulated manually or automatically. The higher the difference between the measured temperature value and the temperature setpoint, the higher the EC fan speed. The unregulated output controls a water valve or an electric heating element. Via the separate internet gateway connection with SenteraWeb is possible. SenteraWeb is the online cloud platform for monitoring, data logging, remote access, day-week scheduler, etc. The controller can be connected via the local Wi-Fi network or via the LAN gateway.

Additional specifications and description

Heating for warehouses and production facilities Drawing with red and blue line
Industrial fan heaters are a good way to heat large halls such as warehouses or manufacturing plants. Air is drawn in, heated up and blown back into the room. Thanks to the mechanical supply of warm air into the space, it can be heated up more quickly. Higher efficiency is achieved thanks to the mechanical supply of the warm air. The use of industrial fan heaters is particularly recommended in industrial environments or logistics centers. It is the ideal solution for blowing warm air through a space with many obstacles such as machines and warehouse racks.
Fan speed can be set manually or automatically
To avoid overheating, heater and fan are always enabled simultaneously. The included PT500 temperature sensor measures the ambient temperature. The desired temperature can be selected via the rotary button on the front panel or via Modbus RTU communication. When the ambient temperature is lower than the desired temperature, the heating is activated via the unregulated output (ON/OFF). At the same time, the fan is also activated. Fan speed can be controlled automatically (AUTO) or it can be fixed at a constant speed (positions 1 - 2 - 3 - 4 or 5). In position 0, the device is disabled. When the ambient temperature is higher than the setpoint temperature, heater and fan are disabled.
Adjustable day-week schedule
Via an optional internet gateway, the controller can be connected to SenteraWeb – the HVAC cloud platform. Via SenteraWeb, remote control is possible via a computer with a browser. E.g. the desired temperature can be set remotely. Installations connected to SenteraWeb can also be controlled via the day-week calendar. This makes it possible to automatically change the desired temperature via a pre-programmed day-week schedule.
Data logging and online temperature monitoring
Another advantage of leaving your installation connected to SenteraWeb is data logging. All parameters (e.g. ambient temperature) can be stored in the cloud and visualized in a diagram. Logged data can also be downloaded in a .csv file. For each installation, multiple users and configurators can be created. 

Components of this solution

Article code


1 U.

The ECH-8-DM, is the go-to controller for air heaters or air coolers equipped with EC fans. Designed with user-friendliness at its core, the ECH streamlines the management of ambient temperatures in spaces like warehouses or industrial areas. Temperature management becomes a breeze with the ECH's intuitive interface. A rotary knob on the front panel empowers users to fine-tune temperature setpoints within the range of 5 - 35 °C. This hands-on approach puts you in direct control, ensuring that your environmental conditions are precisely calibrated to meet your requirements. The ECH offers automated control of the EC fan speed, responding dynamically to ambient temperature changes, or users can alternatively adjust the fan speed manually, selecting from five distinct steps. The ECH's versatility extends to its unregulated output, allowing seamless control over a water valve or an electric heating element. Modbus communication takes functionality to the next level, enabling users to effortlessly toggle the unregulated output between cooling and heating modes. Alternatively, a straightforward jumper selection offers a quick and efficient way to switch between modes, giving you the autonomy to choose the method that suits your operational preferences. In summary, the ECH stands as a beacon of efficiency in temperature control, seamlessly integrating into your air heating or cooling systems. Its user-friendly features, from automated fan speed adjustments to manual controls and versatile output options, make it a reliable choice for industries seeking precision and adaptability.


1 U.

A 24 Volt supply module is an electronic device that converts an input voltage of 230 VAC to a 24 VDC output voltage. It is frequently used in a variety of applications, including industrial automation, medical equipment, and building automation. This switching power supply can alter an 85-264 VAC input voltage into a 24 VDC output voltage. It can supply loads up to 40 Watts. Your electrical installation is more secure because of the overload and overvoltage protection. The load can be connected using either an RJ45 connector or a screw terminal block. Due to its firm enclosure, which offers IP65 protection against the ingress of water and dirt, is the installation of this power supply in harsh environments possible. In comparison to linear power supplies, switching power supplies are more efficient, lighter, and more compact (due to their transformer-free design). Because of their high efficiency, they produce less heat and contribute to greater energy savings.


1 U.

The SIG-M-2 Gateway is specifically designed to connect Sentera devices to the SenteraWeb online HVAC platform. It provides a means of communication between the devices and the platform, enabling remote monitoring, data logging and adjustment of settings via the internet. The gateway can be connected to the Sentera devices using either an Ethernet cable or a Wi-Fi network, providing flexibility in installation options. It is intended for wall mounting in indoor environments, allowing for convenient placement and integration into existing setups. The gateway operates on a supply voltage of 24 VDC PoM (Power over Modbus). This means that both the Modbus RTU communication and the 24 VDC supply voltage are connected via an RJ45 connector, which simplifies the wiring and connection process. By utilizing this internet gateway, a Sentera solution can be seamlessly connected to the SenteraWeb platform. SenteraWeb is an online HVAC platform that enables remote monitoring of data and adjustment of settings for the connected HVAC devices over the internet. Users can access the platform from anywhere and remotely monitor parameters such as temperature, humidity and other relevant data. Additionally, the platform supports data logging, allowing for the collection and analysis of historical data to optimize HVAC system performance.


1 U.

This passive temperature probe offers precise temperature measurement utilizing a PT500 sensor element. The platinum sensor is resin encapsulated and placed in a durable stainless steel tube measuring 53 x 8 mm to ensure reliability and longevity in various environmental conditions. It has a positive temperature coefficient of resistance, i.e., when the temperature rises, the resistance rises. At 0 °C, the resistance of the probe is 500 Ω. The length of the integrated unshielded cable is 4 metres and it has two twisted wires (2 x 0,5 mm²).

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