UI309 Room unit, RS485, temperature, rH, CO2, 1AI

Room unit, RS485, temperature, rH

Display 60 x 60 mm, push / turn knob, temperature / humidity and CO2 sensor, 1AI, setting of values, status indication and switching, Modbus / RS485 communication galv. separated

Datasheet

UI309 is communicative room unit with analogue input for Pt1000 sensor, with temperature sensor, humidity and CO2 sensor and control knob for setpoint control and other settings. The binary output is controlled either on a remote basis, or as thermostat, hygrostat or CO2 controller.  The units communicate over Modbus RTU / RS485 and they can be used as open system components with majority of building control system and controllers.

  • Air handling units and air condition in rooms with variable load – schools, cinemas, lecture halls etc.
  • Systems with water or electrical floor heating – control and measuring of room temperature
  • monitoring and recording of temperature, humidity and CO2 concentration indoors

The units acquire temperature, CO2 concentration and relative humidity in room, temperature correction (knob) and required operation status which is set by push of the button or in menu. In the configurable menu following values can be set and displayed.

Options:

  • display with backlight - UI309BL,
  • no knob / display - UI309DK.