AHU-2SSSH1 Evolution AHU, room controller for air handling units

Room controller for air handling units, equipped with rapid access buttons for the most common functions. The wide availability of inputs and outputs makes it ideal for various types of systems: supply air temperature control, the supply air temperature control with outside temperature compensation, shooting or ambient air temperature control with supply limitations, monitoring of ambient air temperature using cascade control (control with flow sensor), monitoring air quality, dehumidification, free cooling, free heating, heat recovery. The outputs can be on/off or modulating, additionally three points for the valves.The large backlit display is easily readable and allows to read the measured values of humidity and temperature, control parameters, time slots of operation and the status of the device. It has also a RS485 communication line with Modbus RTU slave protocol, designed for installation on the wall of the box 3 modules. Depending on the model, the regulators may have a communication function, clock, on / off or proportional control, humidity sensor and a CO2 sensor input.
Specifications for AHU-2SSSH1
DO 3
AO 1
AI 3
Communication -
Clock -
Internal sensor Temperature + humidity
Specifications for Evolution AHU, room controller for air handling units
Supply voltage 110…230 V AC ± 10%, 50...60 Hz
Inputs 2 potential free contacts / 2 or 3 NTC10-02 sensors / USB port for parameters setting and software update
Outputs 3 analogue outputs 0…10 V (RL > 10 kOhm) according to model / 5 relays SPST 230 V AC, 3A (AC1) according to model
Power consumption Max. 1.3 W
Storage temperature -20…+70°C
Temperature range 0…50°C
Ambient humidity 10…90 % RH (non-condensing)
Display LCD with backlight
Communication Modbus RTU (slave)
Range of temperature reading -15...+90°C
Mounting 3 modules built-in box
Casing PC + ABS
Weight Max. 230 g
Dimensions 128 x 80 x 55.5mm
Protection class IP30
Isolation class II
Certification EN 60730-1/A16:2007, EN 61000-6-1:2007, EN 61000-6-3:2007 and EN 60730-2-9:2003. RoHS: This Product complies with the EU directive 2011/65/EU of the European Parliament