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Light grey plastic enclosure, blue front label, cable glands
Light grey plastic enclosure, blue front label, cable glands
Light grey plastic enclosure, blue front label, cable glands
Light grey plastic enclosure, blue front label, cable glands
Light grey plastic enclosure, cooling plate, cable glands
Light grey plastic enclosure, cooling plate, cable glands

Automatic AC fan speed controller | dual output 3 A | Wi-Fi gateway

Product description

Ceiling fan speed controller for AC fans with single-phase motor. The maximum (combined) motor current is 3 A per output (2x 3 A). Fan speed is regulated automatically based on the measurements of the connected HVAC sensors. Up to 4 HVAC sensors can be connected via the RJ45 socket (Power over Modbus). Additionally, there are 2 analogue inputs, 2 analogue outputs and 2 tacho inputs available. Application dedicated firmware can be downloaded via SenteraWeb. The built-in internet gateway can be connected via WiFi. The supply voltage is 230 VAC.

Article code
HVAC controller for AC fans
Current stock
3 U.
Factory lead time
5 Week(s)

Additional specifications and description

Application specific firmware
TCMF8 controllers require application specific firmware. Typically, they regulate fan speed based on the input of the connected sensors or potentiometers. Application specific firmware can be downloaded via SenteraWeb - your personal HVAC cloud platform. This controller has an integrated internet gateway that can be connected via Wi-Fi. Once the firmware is downloaded the TCMF8 controller can work stand alone or it can stay connected to SenteraWeb.
Different functionalitiesDrawing of ceiling fans, plastic box 
We offer a limited number of specific firmware versions for typical HVAC applications (e.g. destratification, demand based fan speed control, etc). First select the required functionality via our website's solution page, then download the application specific firmware. If necessary, it is possible to adjust some settings via the Modbus Holding registers. No programming is required!
Two motor outputs to regulate fan speed
This controller has two outputs to control AC fans with single-phase motor. The maximum combined current is 3 A per output. Fan speed is regulated by reducing motor voltage via phase angle control / TRIAC technology. This means that this speed controller is only suitable for voltage controllable motors. If you are not sure whether your motor is voltage controllable, it is best to contact the motor manufacturer. This speed controller works completely silently. The fan speed can be set via the knob on the front panel. Thanks to the accurate motor control, humming motor noise at low speed remains limited.
Thermal motor protection
When an AC motor fails, it is often due to overheating. In order to detect motor overheating in time, some motors are equipped with TK or thermal contacts. These thermal contacts measure temperature in the motor windings. TCMF8 fan speed controllers can monitor two thermal motor contacts. In case of motor overheating, the TK monitoring function will disable the motor to prevent permanent motor damage. The motor TK can be connected to the TK and 24 VDC terminals. 
Connect sensors or potentiometers
External HVAC sensors or potentiometers can be connected via Modbus RTU communication or via the analogue inputs. To simplify wiring of the external devices, 24 Volt supply is available via the RJ45 socket. The 24 Volt supply and Modbus communication can be distributed via one cable - we call it Power over Modbus or PoM. All settings can be adjusted via the Modbus Holding registers.
IP54 enclosure for surface mounting
This fan speed controller can be installed on a wall or panel indoors. Make sure that the fan speed controller can cool sufficiently. Preferably install it in a cool place, best not in direct sunlight. The enclosure is made of high-quality r-ABS VO (UL94) plastic. This material is flame extinguishing, very tough and offers good protection against impacts. It offers an IP54 protection against ingress dust and water. 
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