ATAG BrainQ thermostat User Manual

ATAG BrainQ thermostat

Display and Controls

Operating instruments

Operation

Symbolism used in this manual:

The center-positioned rotary-push button and the labeled keys guarantee a simple and easy operation. It is however recommended to read this manual attentively to be informed about the repeating steps.

• Each value in the display appears flashing and can be modified with the rotary-push button. A flashing display is appropriately marked in this manual.
  Turn to the right (+): Increase values
  Turn to the left (-): Decrease values
• Press once: Acceptance of the selected and indicated value, store.
• Keep pressed: Entry into the programming level (level selection), The last operation step will be stored automatically after approx. 60 seconds if it was not stored by means of the rotary-push button.

Start-up
In case of initiation of the plant or after every power failure a display test of the large display is car-ried out with automatic error diagnosis. At that all available segments and symbols will be displayed.

Language selection
In case of first initiation the desired language can be chosen after the display test. The languages DE, GB, FR, IT, NL, ES, PT, HU, CZ, PL, RO, RU, TR, S, N, BG can be selected.
Note: This display appears after every restart on day of first initiation until midnight. After that the language can only be changed in the level SYSTEM – parameter LANGUAGE.

Device identification 
After the display test and/or the language selection the device identification momentary appears with device type, interface and the corresponding number of software version.

Basic display
Provided that there is not any error message, the basic display indicates the date, time, heating mode (= daytime temperature , = reduced set back temperature ) as well as the current boiler temperature or, if released, the room temperature. Response time program. The cursor below ( ) indicates the current operating mode (see function of operating modes). The upper time bar shows the heating periods and the corresponding operating times of the current weekday.
An activated summer switch-off is represented in the basic display by a sunshade symbol (). The heating mode symbolsorwill be suppressed during an activated summer switch-off.

With acting frost protection function an ice crystal symbol appears in the basic display ()

Temperature settings

Adjustment (standard display mode only):
After pressing the button for the required tempe-rature the current value appears flashing and can be adjusted directly with the rotary pushbutton.
Re-entry into the standard display is done by pres-sing the rotary-push button or the corresponding temperature button or automatically after approx. 60 seconds.

Operational mode selection for heating and hot water 
With this button the required operational mode is selected. It appears in plaintext on the display, simultanously a cursor at the lower edge of the display points to the appertaining program symbol.
Select: Pressing the button , the previously selected operational mode appears flashing. The other operational modes can be selected and activated with the rotary-push button according to the following scheme.

Functions of operational modes

Setting range:
Actual date… actual date + 250 days Return to the previously selected operational mode at 0.00 o’clock of the set return date. Hot water operation is set to frost protection temperature of 5 °C.
Earlier termination: Press button , select required operational mode with rotary-push button and press again to activate.

Setting range P1: Heating operation is interrupted until next switching-on time of current operating time program (see level TIME PROGRAMS) 0.5 . . . 2 4h: Heating operation is interrupted until set time of return.
Earlier termination: Press button , select required operational mode with rotary-push button and press again to activate.

Setting range: P1: Heating operation is continued until next switching-on time of current operating time program (see level TIME PROGRAMS) 0.5 . . . 2 4h: Heating operation is continued until end of party.
Earlier termination: Press button ,select required operational mode with rotary-push button and press again to activate.

Operating times: (see level TIME PROGRAMS) Heating and domestic hot water operation automatically according to settings of temperature values (see Temperature settings) and selected operating times program. Programming of individual operating times see level TIME PROGRAMS).

Operating times: (see level TIME PROGRAMS) Only hot water operation according to settings of hot water temperature (see Temperature settings) and selected operating times program. The heating operation is interrupted and frost protected. Programming of individual operating times see level TIME PROGRAMS).

Permanent heating and reduced hot water operation round the clock according to the settings of daytime room temperature and domestic hot water temperature (see Temperature settings)

Permanent reduced heating and reduced hot water operation round the clock according to the settings of set back temperature (see Temperature settings), re duced heating mode (see level UNMIXED CIR CUIT) and hot water economic temperature (see level DHW).

Heating and hot water plant completly switched off except for frost protection mode.

Quick operational mode selection

Short-time operational modes
Frequently used operating modes such as PARTY or ABSENT or reloading the hot water tank during set back mode can be selected quickly according to the left scheme.

Direct automatic mode
Pressing button for approx. 3 seconds activates the automatic mode via timer inevitably. Functions and setting range see Operational mode selection for heating and hot water – Function of operational modes.

Manual hot water loading
To activate manual hot water loading out-door of operation times the button has to be pressed for about 3 seconds. This turns on hot water preparation at any time for a period which may to be adjusted with the rotary pushbutton between 0 …240 minutes. Pushing the rotary pushbutton activates loading. Afterwards the controller returns to program operation.
At adjustment 0.0 the loading is independent of any time period. The tank will be loaded up to the set DHW-temperature value once.

Heating system information

Note: The heating slope should be modified only in small steps and left for a while until steady condition can be obtained. Changes to the slope should be made in intervalls of 0.1 every 1 or 2 days.
This button regulates the heating characteristics of the heating circuit in relation to outdoor temperature.
The adjustment is dependent of the plant installation and shows the relation between outdoor temperature and heat generator (boiler) temperature. The slope sets the change of the supply temperature, if the outdoor temperature changes for 1 K.

Diagram of heating curves

Re-entry into the standard display is done be pressing the button again or automatically after approx. 60 seconds.

Heating system information

This button displays all plant temperatures and states of all circuits. The information can be requested according to the direction with the rotary-push button.

Turning rotary-push button clockwise
Displays from all plant-specific temperatures

• the actual values and
• the nominal values (pressing rotary-push button)
• meter readings such as consumption data etc.

Turning rotary-push button anti-clockwise
Displays from direct heating circuit resp. DHW circuit

• operational mode (holiday, absence, party, auto etc.)
• timer programm P1( P2 and P3 only when released)
• heating mode (daytime-, reduced-, ECO-mode)
• identification (direct circuit HC, hot water circuit DHW)
• status of heating- and DHW charging pump (on, off) shows
• operating status (on, off)
• number of service hours
• number of starts of heat generator, boiler etc. shows
• room thermostat function (heating on, off)
• current room temperature
• if room sensor is activated shows water pressure
• if pressure sensor is present

display dependent on the type of heat generator
will be displayed only if the room sensor was activated before

Programming level – Level summary

Schematic block diagram

Selection and modification of parameters and setting values
Entering into the programming level, principally the operating times level (TIME PROGRAMS) appears at first. All other levels, such as

• SYSTEM
• DHW
• UNMIXED CIRCUIT
• DATE-TIME

can be selected directly via rotary-push button By pressing the rotary-push button, the selected flashing level is activated; the first value resp. parameter appears flashing. If necessary, it can be modified via the rotary-push button and accepted by pressing again. If necessary, the following parameters can be treated in the same way.
Re-entry into the level selection is done via the info button , re-entry into the standard display via the program-selection button or automatically after approx. 60 seconds.

Programming of operating times

With this mode of operation individual programs, other than standard programs for heating and hot-water mode can be set up. For this purpose after selecting the heating- resp. hot-water circuit the factory preset standard program (P1) is called an can be overwritten individually.
For programming the operation times, for each week day maximum three heating cycles with one switch-on and switch-off time each are available. Further more, the heating- resp. hot-water cycle can be combined with a required room temperature resp. hot-water temperature for the duration of the cycle.

Note: The 3rd heating cycle is skipped if the 2nd heating cycle does not include any operating times.
Modify – Exit :
Confirm the selected flashing value by pressing the rotary-push button. Then set the new required value and take over by pressing the rotary-push button again. Re-entry into the former step in done by
pressing the button , exit into the standard display via the button or automatically after approx. 60 seconds.

Copy operating times

Programming of operating times includes a extensive copying function which allo-ws to copy any day of the week to other days (Mo..Su) resp. to the whole week (1-7) or parts of a week such as workdays (1-5) or weekends (6-7).

Modify – Exit :
Confirm the selected flashing value by pressing the rotary-push button. Then set the new required value and take over by pressing the rotary-push button again. Re-entry into the former step in done by pressing the button , exit into the standard display via the button or automatically after approx. 60 seconds.

Reloading of standard time programs

deleting of individual time programs

The standard programs do not get lost by overwriting with individual programs. Individual programs however are cancelled at a later call of the corresponding standard programs and have to be set up again. For this purpose individual switching-on and switching-off times should always be noted (see level TIME PROGRAMS – table for individual programs).

Modify – Exit :
Confirm the selected flashing value by pressing the rotary-push button. Then set the new required value and take over by pressing the rotary-push button again.
Re-entry into the former step in done by pressing the button , exit into the standard display via the button or automatically after approx. 60 seconds.

Standard time programs
Standard operating-times program P1

Circuit	Day	Heating from…to
Unmixed heating circuit (HC)	Mo-Su	06.00 – 22.00 h
Domestic hot water (DHW)	Mo-Su	05.00 – 22.00 h

Standard operating-times program P1 1)

Circuit	Day	Heating from…to
	Mo-Th	06.00-08.00 16.00-22.00h
Unmixed heating circuit (HC)	Fr	06.00-08.00 13.00-22.00h
	Sa-Su	07.00-23.00h
Domestic hot water (DHW)	Mo-Th Fr	05.00-08.00 15.30-22.00h 05.00-08.00 12.30-22.00h
	Sa-Su	06.00-23.00h

Standard operating-times program P3 1)

Circuit	Day	Heating from…to
Unmixed heating circuit (HC)	Mo-Fr Sa-Su	07.00-18.00 h reduced heating
Domestic hot water (DHW)	Mo-Fr Sa-Su	06.00-18.00 h reduced heating

Table for individual operating times and programs

Operating times program P1

Operating times program P2

Operating times program P3

Unmixed heating circuit (HC)

Day

1st cycle

2nd cycle

3rd cycle

1st cycle

2nd cycle

3nd cycle

1st cycle

2nd cycle

3rd cycle

From

till

from

till

from

till

from

till

from

till

from

till

from

till

from

till

from

till

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Domestic hot-water circuit (DHW)

Day

1st cy

cle

2nd cy

cle 2

3rd cy

cle

1st cy

cle

2nd cy

cle

3rd cy

cle

1st cy

cle

2nd cy

cle

3rd cy

cle

from

till

from

till

from

till

from

till

from

till

from

till

from

till

from

till

from

till

Mon

Tue

Wed

Thu

Fri

Sat

Sun

TIME-DATE

Current time:
Setting range: 0.00…24.00 h

Calender year
Setting range: 2001. . . 2099

Calender day-month-weekday
Setting range: 01.01…31.12. Weekday is set automatically

Time changeover mode
Setting range:

• Automatic: last Sunday in March & Oct.
• Manual: no time reset
• Entry: see » Programming level – Level summary « .
• Exit: via button or automatically after 60 seconds.
• Modify: Confirm selected flashing parameter by pressing the rotary-push button. Then set the new required value via and accept by pressing the rotary-push button again. If necessary, correct the following parameters in the same way.

The values to the left are factory presets and normally need not be updated. If in some exceptional cases corrections should be necessary, the values can be adapted to the real conditions.
The internal pre-programmed calender provides an automatic time changeover at the yearly repeating summer-wintertime dates. If required, the automatic time changeover can be switched off (manual reset).

SYSTEM

This level includes general delimiting parameters and options referring to the corresponding heating system

Language

Setting range:

• DE = German GB = English FR = French
• IT = Italian NL = Dutch ES = Spanish
• PT = Portuguese HU = Hungarian CZ = Czech
• PL = Polish RO = Romanian RU = Russian
• TR = Turkish S = Swedish N = Norwegian
• BG = Bulgarian
• Factory preset: DE

All information that appears in the display, is available in a num-ber of languages. After entry as first parameter appears the lan-guage selection. The required language can be selected and accep-ted according to the above assignment.

Operating times program

• Setting range: P1, P1-P3
• Factory preset: P1
  This parameter specifies the number of the released time pro-grams. With setting P1 only one operating-times program is avai-lable, with setting P1-P3 all three programs are released and can be selected for programming operating times.
• Entry: see » Programming level – Level summary « .
• Exit: via button or automatically after 60 seconds.
• Modify: Confirm selected flashing parameter by pressing the rotary-push button. Then set the new required value via and accept by pressing the rotary-push button again. If necessary, correct the following parameters in the same way.
• Application: Use of the instrument at the corresponding language area.
• Application: Shift work, different programs for summer, transition period, winter etc.

Control mode

• Setting range: 1 = common mode
• Factory preset: 1
• 2 = separated mode

Common control mode: 
The selected operational mode (via buttonfor Holiday, Absence, Party, Automatic etc.) applies to the heating circuit and to the hot-water circuit together.

Separated control mode:
The heating- and hot-water circuit can be assigned with own operational mode.

Application:

• Objects with uniform seizure character (One-family houses etc).
• Objects with different use of heating and hot- water (for example heating operation in Holiday mode, hot-water permanently in reduced mode).

Summer switch-off

• Setting range: OFF, 10.0 to 30,0 °C
• Factory preset: 20.0 °C

This parameter specifies the heating delimiting value regarding the average resp. current outside temperature and puts the heating system automatically out of service as soon as the outside temperature exceeds the set heating delimiting value. During summer switch-off the pump of the heating circuit is activated each day for approx. 10 seconds to protect it against corrosion.
With setting OFF the summer switch-off is not effective.
Hot water preparation is not affected by summer switch-off.

Parameter-reset

This function resets all individually entered values in the programming level to factory preset.

• Exception: Time-date, operating times
• Reset: Press the rotary-push button for approx. 5 sec. while indi cation SET is flashing, until standard display appears.
  Note: The active summer switch-off appears on the standard display with a sunshade symbol.
• Application: All objects which do not require a heating operation during summertime
• Important: Reset may only be executed if all individually entered values shall be replaced by the factory preset values!

DOMESTIC HOT WATER

This level includes the necessary parameters for programming the hot-water circuit except the hot-water operating-times.

Hot-water economic temperature
Setting range: 5.0 °C up to the required hot water temperature Factory preset: 40.0 °C
This parameter determines the amount of the reduced hot-water temperature outside the hot-water operating times (between the hot-water cycles) as well as in the operational mode ABSENCE for the duration of absence.

Legionella protection (day)
Setting range: OFF, MO…SU, ALL
Factory preset: OFF
The legionella protection serves to avoid a legionella infestation inside the hot-water tank and is activated on the selected weekday (Mon to Sun) or every day at 2.00 o’clock. If the hot-water temperature should drop below 65 °C, the tank is reloaded. With setting OFF this function is not effective.

• Entry: see » Programming level – Level summary « .
• Exit: via buttonor automatically after 60 seconds
• Modify: Confirm selected flashing parameter by pressing the rotary-push button. Then set the new required value via and accept by pressing the rotarypush button again. If necessary, correct the following parameters in the same way.
• Application: Base temperature inside the hot-water tank in order to avoid a cooling down of the tank.
• Note: This parameter is skipped if a hot-water thermostat is used instead of an electronic hot-water sensor.
• Note: Other legionella protection times can be regulated exclusively by the heating plant specialist.
• Important: Danger of scalding! Use thermostatic mixing valve on DHW outlet.

Unmixed heating circuit (direct circuit) 
This level includes the parameters required for programming the heating circuit with the exception of the related operating-times programs.

Reduced heating mode

• Setting range: ECO, RED
• Factory preset: ECO

During the reduced operation the following modes can be selected:

• ECO mode: At oudoor temperatures above the set plant frost protection the heating circuit is switched off com-pletely. At temperatures below frost protection the heating circuit is controlled with reduced heating characteristic according to the required reduced temperature (see »Temperature setting« ).
• RED mode: During the reduced mode the heating circuit pump remains activated. The heating circuit is controlled according to the reduced heating characteristic, the temperature does not drop below the set mini-mum temperature value.
• Entry: see » Programming level – Level summary « .
• Exit: via buttonor automatically after 60 seconds
• Modify: Confirm selected flashing parameter by pressing the rotary-push button. Then set the new required value via and accept by pressing the rotarypush button again. If necessary, correct the following parameters in the same way.
• Application: Objects with high insulation values
• Application: Objects with low insulation values.

Adaptation to the heating system

Setting range: 1,00 to 10.0
Factory preset: 1,30
This parameter refers to the type of the heating system and has to be adapted to the power characteristic of the corresponding consumer (underfloor systems, radiator, convector). The setting value specifies the curvature of the heating curve of the selected weather dependent heating circuit and compensates the system-related efficiency los-ses at lower temperatures by a progressive heating curve in conformity with the adjustment.

Heating circuit name
This is used to assign an individual, 5 character, abbrevia-ted name to each heating circuit.
No individual name is assigned if the setting “empty” is used. The default abbreviated name appears.

• The character that blinks can be altered using the rotary knob according to the code number and accepted by pressing the knob once. The remaining characters can be altered in the same way.
• The individual heating circuit name display appears
  • in the menu
  • in the parameter tree
  • in the info level

Applications: The following setting values are recommended for the below-mentioned applications

Setting value	Application
1.00. . . 1.10	Heating curve for underfloor heating systems or other static heating surfaces
1.30. . . 2.20	Normal standard heating curves for radiators
3.00. . . 4.00	Heating curves for convectors
4.00.. . 10.0	Special heating curves for ventilators with high starting temperatures

Alarm messages

• Example for alarm message »sensor« (short or open circuit)
  Error code 10…20
• Example for alarm message »heat generator« (flue gas temperature exceeded)
  Error code 30…40… 1)
• Example for logical alarm messages (control functions)
  Error code 50…60
• Example for alarm message »data bus«(address error)
  Error code 70

For these alarm messages the error codes of the heat generator in the corresponding installation manuals have to be considered. The instrument is equipped with extensive error diagnostic features. The error displayed takes priority over other displays and varies dependent on the model in question. For alarm messages from burner control (ERROR Xn:m) the error codes in the corresponding installation manuals have to be considered.
Note: Alarm messages only appear alternating with the standard display.
In case of alarm messages the heating specialist always has to be informed!

Technical specification

• Supply voltage: Via data bus (DC-safety voltage by EN 60730)
• Power consumption: 300 mW
• Bus interface: T2B or OpenTherm according to model
• Ambient temperature: 0…60 °C
• Storage temperature: -25…60 °C
• Protection type acc. to EN 60529:IP 30
• Protection class acc. to EN 60730: III
• Approval according to: VDE 60730
• Casing dimensions (BxHxD): 90 x 138 x 28 mm
• Casing material: ABS, antistatic
• Electrical connections: 2-wire mode with pluggable connection
• Recommended cable: J-Y(St)Y 2 x 2 x 0.6 mm2
• Max. length of cable: 50 m
• Data and timer backup: Min. 5 years from the date of delivery
• Accuracy of the internal clock: ± 2s/day
• Weight: Approx. 150 g

www.atagheating.com

Reference

Download manual:

ATAG BrainQ thermostat User Manual

OTHER MANUALS:

ATAG BrainQ Thermostat Installation Instruction

ATAG BrainQ thermostat User Manual