domat UI09xx
03/2017 Subject to technical changes.
1
UI09x
Communicative room unit with CO
2
sensor
Summary
The room unit with CO
2
sensor contains temperature sensor, NDIR CO2 sensor for
carbon dioxide concentration measurement, optional humidity 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 CO
2
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.
Application
▪
Air handling units and air condition in rooms with variable load
–
schools, cinemas, lecture halls etc.
▪
monitoring and recording of temperature, and CO
2
concentration
indoors
Function
The units acquire temperature, CO
2
concentration, and optionally relative humidity in
the room, temperature correction (controlled by the knob) and required operation
status which is set by short push of the knob or in the menu. In the configurable menu
following values can be set and displayed:
–
temperature, actual temperature correction
–
humidity (actual value only at room units containing the humidity sensor)
–
time (only display at room units with RTC)
–
basic setpoint - day
–
basic setpoint - night
–
outside temperature for heating enable
–
DHW temperature
–
heating curve type (1...4)
–
operation mode (Residential with Day, Night, Time schedule, Off, or Hotel /
Office with Comfort, Standby, Party, Off)
–
fan stage (Auto, Off, St.1, St. 2, St. 3)
–
A/C mode (Auto, Heating, Cooling, Off, Fan only)
–
weekly scheduler: 7 days, up to 6 events per day
