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03/2017 Subject to technical changes. 

domat UC100 

Opening the 
cover 
 
 

When removing the display part, proceed as follows: 
 

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press gently the side parts of the unit and pull the right of the display part by 
several milimeters 

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pull the left of the display part 

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pull the display part and remove it from the bottom. 

 
Do not bend the display part too much, the connector pins could be damaged. The locks 
are only at the sides of the display part, not at the top nor bottom. 
 

Operation 
 
 

Temperature correction: 

 
Turn  the  knob  clockwise  to  increase  setpoint,  turn  it  counterclockwise  to  decrease 
setpoint. The maximum correction range can be modified over the bus e.g. with the 
ModComTool configuration tool. 
 

Operation mode change: 

 
Push the knob shortly (<1 s).  Each push changes the operation mode to Party 

 Day 

 

Night 

 Off 

 Auto. 

 
In the Auto mode, the Day / Night / Off modes change according to time schedule). 
 
The  Party mode  overrides  to Comfort for 120 minutes, then follows  the  actual time 
schedule. 
 
The weekly time schedule switches between Day, Night, and Off modes according to 
the event list. There may be up to 6 events per day. 
 

Time schedule settings: 

 
Switch  to  the  time  schedule  settings  mode  with  a  long  push  (>1  s).  The  controller 
switches to settings mode (clock icon). 
 
Turn the knob to select the weekday (1 to 7). Then short push to confirm the selection. 
Turn the knob to select the event (large number 1 to 6). Each event displays the mode 
activated by this event. 
 
Short push to confirm the event selection. Turn the knob to select the operation mode 
(Day, Night, Off, Event inactive) invoked by this event. If the event is not active, the 
operation mode is not changed at the set time.  
 
Short push to confirm the operation mode setting. The event time displays. Turn the 
knob to set the time of the event and confirm by a short push. Then turn the knob to 
select another event or long push and turn the knob to select another weekday. 
 
After all desired events have been edited, long push to leave the time schedule settings. 
The controller goes to the basic display mode also after 30 secs of user inactivity. 

 
 
 
 

Summary of Contents for UC100

Page 1: ...iac All values are displayed on a large LCD display The output works either as PWM controlled by a PI controller or on off thermostat The functionality and control parameters i e P and I constants and hysteresis can be set with ModComTool the configuration software which is free to download at http domat int com en downloads software The controller contains real time clock with a weekly scheduler ...

Page 2: ...0 Sensor accuracy 1 5 K with software correction Outputs 1x solid state relay zero switching for AC load 24 V AC max switching current 0 4A recommended thermic actuators are Siemens STA71 Danfoss TWA 24V types etc Setpoint correction according to configuration 10 to 1 K Communication 2 wire RS485 Modbus RTU slave optically separated Display LCD 60 x 60 mm Terminals screw terminals for 0 14 1 5 mm2...

Page 3: ...o not need any servicing or maintenance Install them in a vertical position at places where they can be operated easily and measure correct values of temperature i e in the height of about 150 cm with no direct sunlight or other heat cool source AHU outlets refridgerator electrical appliances The device consists of two parts bottom with screw terminal block and cover containing PCB display and the...

Page 4: ...then follows the actual time schedule The weekly time schedule switches between Day Night and Off modes according to the event list There may be up to 6 events per day Time schedule settings Switch to the time schedule settings mode with a long push 1 s The controller switches to settings mode clock icon Turn the knob to select the weekday 1 to 7 Then short push to confirm the selection Turn the k...

Page 5: ...hing Setpoint temp Heating Off mode Temperature Heating Empty house are flashing Setpoint temp Cooling Day mode Temperature Cooling Day are flashing Setpoint temp Cooling Night mode Temperature Cooling Night are flashing Setpoint temp Cooling Off mode Temperature Cooling Empty house are flashing Select the requested value by a short push Turn knob to change value Confirm by a short push again If t...

Page 6: ...llers is about 50 m If the controllers and valves are at higher distance than 50 m from the transformer or more valves are connected to the transformer max 2 valves per controller it is more suitable to supply the controllers locally The RS485 bus is galvanically separated and connects all controllers regardless of the way they are powered Temperature compensation After switching the unit on allow...

Page 7: ...ubject to technical changes 7 Changes in version 08 2016 Changed the format and reference to the configuration software 03 2017 Added picture and description of the installation and link on the datasheet with other colours ...

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