domat UC011 Quick Start Manual

Room unit for controller

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UC011

Summary

The UC011 room unit is a communicative human-machine interface with galvanically
separated communication for fancoil controller FCR010 or FCR011.
According to production type, each version of the unit may contain display, backlight
and knob.
UC011 – basic version with display and knob
UC011BL – version with display, knob and backlight
UC011DK – version without knob and display

Application

Function

The unit reads room temperature, temperature correction / setpoint by a knob, and
required operation mode which is set by a short push or in the menu. Data is
transmitted to the fancoil controller. The fan coil controller may send to the unit other
data (heating / cooling mode, fan stage, day / night / standby mode etc.) which are
Displayed on the LCD display.
Connect the room unit to FCR010 over a 4 core cable, the most suitable types are JY(St)Y
or LAM 2x2x0.8. Use the same type which powers the FCR010 controller as if the room
unit power is taken from the FCR010 terminals, the cores in a terminal should be of the
same cross-section. Attention, the FCR011 has a supply voltage 230 V. Please do not
connect UC011 to the FCR011 power supply.
If there is communication failure between UC011 and FCR010/FCR011, there is a
wrench and alarm bell icon at the UC011 display. Check signal polarity (terminals 3, 4),
bus termination, and correct wiring at the controller side (see FCR010 or FCR011 data
sheet).

Technical data

Power supply
Consumption
Communication
domat UC011
Room unit for fancoil controller FCR010
Fan coil systems – measurement and control of room temperature
06/2020 Subject to technical changes.
24 V AC +/- 20%
1 W
RS485, Modbus RTU,
selectable speed 1200 ... 115200 bps
1

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Summary of Contents for domat UC011

  • Page 1 If there is communication failure between UC011 and FCR010/FCR011, there is a wrench and alarm bell icon at the UC011 display. Check signal polarity (terminals 3, 4), bus termination, and correct wiring at the controller side (see FCR010 or FCR011 data sheet).
  • Page 2 Terminals 1: NC not connected 2: NC not connected 3: K- communication, RS485 – 4: K+ communication, RS485 + 5: GND technical earth (TE) 6: G0 power – common point 7: G power domat UC011 06/2020 Subject to technical changes.
  • Page 3 When removing the display part, proceed as follows: press gently the side parts of the unit and pull the right of the display part by several milimeters pull the left of the display part domat UC011 06/2020 Subject to technical changes.
  • Page 4 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. domat UC011 06/2020 Subject to technical changes.
  • Page 5 Off, and Time scheduler symbols. Active output is indicated by a heating symbol. In the upper part, there are week days used for time scheduler setup. Other symbols are not used. LCD symbol set domat UC011 06/2020 Subject to technical changes.
  • Page 6 All risks related to device operation must be considered together with design, installation, and operation of the entire control system which the device is part of. domat UC011 06/2020 Subject to technical changes.
  • Page 7 07/2017 – Change of technical data, standards and images. BL version added. 08/2017 – Controller description change (FC to FCR version). 08/2018 – Minor changes. 06/2020 – Added the ability to use the FCR011 controller domat UC011 06/2020 Subject to technical changes.

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