Quick Start Guide
Short manual ATAG BrainQ RSC/2 RS/2
Intelligent clock thermostat 
This short manual contains a summarized description of the most common functions. 
Abbreviations 
HC  = Central heating 
DHW  =  Domestic hot water 
HC    =  Direct circuit / central heating system 
Operating instruments of the room sensor 
1. Rotary pushbutton 
` 
2. Program button  
f 
3. Information button 
t 
4. LCD display 
Operation and symbols 
General functions 
The rotary pushbutton has 2 functions: 
  Press:  select (selected) function or value, accept if necessary
 Turn:  select, change selected values 
Press for 3 s:  Entry into the programming level 
Standard display 
Day, date, time, current temperature. The arrow below shows the selected function.
The automatic program is standard  
Special symbols 
L Frost-symbol:  Frost protection of the burner switched on 
due to low outside temperature (standard: 3°C) 
G  Sunshade:  Heating switched off due to high outside temperature 
(standard: 21°C) 
  Alarm message: Alternates with standard display. If the alarm message 
returns after a reset of the burner (also check the hydraulic 
pressure first: 1,7 - 2 bar!): Contact your heating specialist. 
Temporary change of room temperature 
 Press the rotary pushbutton 1 time briefly 
  Turn the rotary pushbutton to the desired temperature. 
 Press the rotary pushbutton 1 time briefly 
Inquiry of installation information 
To inquire after information on the plant, press the i-button . Turn rotary pushbutton (to the 
right) to inquire after the following: 
-  Outside temperature (when the outside sensor is connected) 
-  OUT Min./Max.:  Minimum or maximum measured outside temperature in the last 
 24 hours 
- 
Unit:    Central heating water temperature (boiler temperature)* 
-  Domestic hot water:Domestic hot water tank temperature (when domestic hot water 
    supply is connected) 
- 
Modulation:  Percentage of the current capacity, at which the unit is burning 
- 
Hydraulic pressure:  current hydraulic pressure (in bar) in the central heating system 
      (between 1.7 and 2.0 bar = OK) 
-  Room sensor:  indicates if there is a demand for heat for the DHW or HC 
- 
Room temp HC:  current temperature 
- 
Unit OFF:    HC-unit is switched off due to high outside temperature 
- 
Auto day DHW OFF: Current program and status domestic hot water supply 
- 
Auto day HC OFF:  Current program and status HC 
Depending on the plant and the selected programs, more or less information values can be 
visible. 
Programs 
Temporary programs: 
n  Holiday til...  (date to be selected from today): HC and DHW off during the 
     entered period. Frost protected. 
Y absent til...  (length of brief absence to be selected, HC set to night temperature) 
[  Party til...  (length of temporary extension of heating period after 
    expiration of the entered timeprogram to be selected, HC day temperature) 
Long-term programs: 
Z  Automatic  (HC and DHW according to set timeprogram). Optionally, 
    3 timeprograms (P1, P2 and P3) are available (request information 
    from your heating specialist). 
    The desired timeprogram can be selected here afterwards. 
\  Summer DHW (HC switched off, DHW available depending on timer) 
]  Heating  (HC constantly at set day temperature) 
_  Red. heating  (HC constantly at set night temperature) 
^  Standby  (HC and DHW switched off, frost protected) 
Program selection 
Press program button. Operational mode appears followed by the currently set program.
Turn the rotary pushbutton to the desired program. 
Press the rotary pushbutton to select a program. 
If necessary (depending on program): Turn rotary pushbutton to set time or date, press rotary 
pushbutton to accept the setting.
Return to automatic timeprogram (Automatic)
Z
ZZ
Z 
1.  If a temporary program has been selected, the timeprogram will switch on again 
automatically after the program expires.
2.  Cancelling a program prematurely: Press the program button for 3 sec. 
1
4
3
2
3 sec 
8A.52.12.00/01.04 


