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Controllers and position switches

A wide range of controllers, transformers and selector switches are available for optimally setting the desired indoor climate.

OJ user interface with touch panelOJ user interface with touch panel
  • 3.5” color Touchscreen.
  • Easy navigation through grafic interface.
  • Connection and installation through Modbus.
  • Mounting on the Airstream or wall is possible.
  • QuickPlugTM installation.
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CO₂ sensorCO₂ sensor
  • Power supply 24 V AC/DC.
  • Several measurement ranges possible: 0…2000ppm, 0…5000 ppm, 0…10000ppm.
  • Output signal 0…10V.
  • Measuring accuracy: +/- 70ppm plus 5% of measured value.
  • Pressure dependence: +/- 1,6% / kPa.
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5-Position Transformer Regulator 230V5-Position Transformer Regulator 230V
  • Option to connect several fans with the maximum connection current;
  • Protection class IP54.
  • Selector to switch the fan to 6 positions, including off;
  • Green operating lamp;
  • Option to connect a room and/or construction thermostat;
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5-Position Transformer Regulator 400 V5-Position Transformer Regulator 400 V
  • Option to connect several fans with the maximum connection current;
  • Protection class IP54/IP21.
  • Selector to switch the fan to 6 positions, including off;
  • Green operating lamp;
  • Option to connect a room and/or construction thermostat;
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High/Low/Off Regulator 400VHigh/Low/Off Regulator 400V
  • Option to connect several fans with the maximum connection current;
  • Protection class IP54;
  • A selector to switch the fan to high, low and off;
  • A green operating lamp;
  • The option to connect a room and/or construction thermostat;
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HMI-EC ControllerHMI-EC Controller
  • Power supply: 1*90-240 VAC 50/60 Hz
  • Type of temperature sensor NTC, 10 kΩ @ 25 °C
  • Temperature setting: 0 °C…50 °C
  • Precision temperature measurement: ±0.5 °C
  • Relative humidity: 10-90% with no condensation
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Interface+Interface+
  • Wiring: Shielded data cable (between Interface+ and air heater)
  • Dimensions: 109x154x49 mm (lxwxh)
  • Weight: 498 grams
  • Degree of protection: IP20
  • Ambient temperature: 0-40°C
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Destratification controller RJ402Destratification controller RJ402
  • Operating voltage: 230Vac – 50Hz
  • Power consumption: < 0,5W
  • Permissible ambient temperature: 0° – 50°C
  • Control range: 0° – 50°C
  • Hysteresis: 2° – 35°C
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Speed controllerSpeed controller
  • On/off button
  • Selector to switch the fan to 10 different positions, from low to high.
  • Power supply: 230/1 Ph/50Hz
  • Max amperage: 3 A
  • Up to max. 9x Ecofan P ceiling fans
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Pressure controlPressure control
  • Measuring range: 0-2500Pa
  • Accuracy: 0,5% * measured value ±2,5Pa
  • Maximum pressure: 20kPA
  • Dimensions: 91x75x38mm (wxhxd)
  • Ambient temperature: -20 / +40°C (operation) 0 / +50°C (display)
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Potentiometer with on/off contactPotentiometer with on/off contact
  • Type: 10K
  • Resistance: 10kOhm (-20% / +20%)
  • Contact load: 1A 230Vac
  • Ambient temperature: 35°C
  • Protection class: IP54 built-on, IP44 built-in
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Multifunctional controller 230V with integrated displayMultifunctional controller 230V with integrated display
  • Power supply: 230Vac ±10%
  • Protection class: IP40
  • Dimensions (wxhxd): 87x87x42mm
  • Modbus: RS485 connection (slave)
  • Temperature range: 0-50°C
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Room presence sensorRoom presence sensor
  • Dimensions (wxhxd): 85x85x33mm
  • Angle: 90°
  • Distance: 5 meter
  • Switch-off delay: 15 sec. not adjustable
  • Protection class: IP20
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Room temperature sensor IP20Room temperature sensor IP20
  • Dimensions (wxhxd): 85x85x33mm
  • Temperature range: -20 / +40°C
  • Accuracy: ±1°C
  • Protection class: IP20, humid rooms area 3
  • Sensor type: NTC 22K 2%
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Temperature sensor IP54Temperature sensor IP54
  • Dimensions (wxhxd): 80x80x55mm
  • Temperature range: -40 / +60°C
  • Accuracy: 2°C full range
  • Protection class: IP54
  • Sensor type: NTC 22K 2%
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Room CO2 sensorRoom CO2 sensor
  • Dimensions (wxhxd): 85x85x33mm
  • Measuring range: 0-2000 ppm
  • Accuracy: ±50ppm per 500ppm
  • Protection class: IP21
  • Mounting: Wall mounting
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Room humidity sensorRoom humidity sensor
  • Dimensions (wxhxd): 85x85x33mm
  • Room temperature: 0 / +60°C
  • Accuracy temp.: 0-10V = 0-50°C (max5mA)
  • Accuracy temp.: ±1°C
  • Humidity output: 0-10V = 0-100%RH (max 5mA)
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Active pressure & Flow sensor with displayActive pressure & Flow sensor with display
  • Measuring range: 0-2500Pa
  • Accuracy: -20/+40°C ±3 % (> 350 Pa), ±10 Pa (< 350 Pa)
  • Maximum pressure: 20kPA
  • Dimensions: 91x75x36mm (wxhxd)
  • Room temperature: -20 / +40°C (operation) 0 / +50°C (display)
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Wide choice of quality control equipment and selector switches

Mark Climate Technology supplies the best selector switches, pressure switches and speed controllers. Everything to ensure a healthy living and working climate. Especially when it comes to business premises, high demands are made on air quality, air conditioning and heating systems, among other things. Thanks to the controllers of Mark Climate Technology, you ensure that the climate is always perfectly adjusted. This way you easily meet the requirements!

Controllers from Mark Climate Technology

The control of the Mark HVAC products can be done in various ways. Everyone has their own ideas and wishes. We have various options for this, both standard and project-based. Controlling as desired is no problem, such as set on the basis of a day and night room temperature or on the room and supply temperature.

Our controllers and selector switches are known for high durability. You can count on Mark Climate Technology products to last.

The right control for your Mark device

Would you like advice on which controller or selector switch is suitable for your heater, roof fan or air handling unit? Please contact our technical advisors. We are happy to give you advice without any obligation. Send an e-mail to info@markclimate.com or contact us by telephone on
+31 (0)598 656 612.