20
Operating instructions
Overview of main functions
Button Action
Procedure
Display
/
Function
Set room temperature
Zone 1 and zone 2
Actuate wheel left/right
Turn wheel
Confirm with OK button
or wait 5 sec.
or press
Comfort setpoint with blinking temperature
Blinking temperature in 0,5 °C steps from 10 to 30 °C
Comfort setpoint saved
Comfort setpoint cancelled
- after 3 sec. Main menu appears
Set room temperature for
zone 1 or zone 2
Zone 2 independent from zone 1
Actuate wheel left/right
Confirm with OK button
Actuate wheel left/right
Confirm with OK button
or wait 5 sec.
or press
Choose heating zone
Heating zone is chosen
Blinking temperature in 0,5 °C steps from 10 to 30 °C
Comfort setpoint saved
Comfort setpoint cancelled
- after 3 sec. Main menu appears
Switch on /off DHW ope-
ration
Press button
DHW mode on / off
(see indication below DHW symbol)
- On: DHW mode by time programm
- Off: no DHW operation
- Safety functions activated
Change heating operation
mode
Factory setting
Press button 1x
Press button 1x again
Press button 1x again
Automatic mode on
, with:
- Heating by time programm
- Temperature setpoint by heating programm
- Safety functions activated
- Summer/Winter automatic switching activated
- ECO-functions activated
(see indication below operation symbol)
Continuous COMFORT heating on, with:
- Heating without time programm by comfort setpoint
- Safety functions activated
Continuous REDUCED heating on, with:
- Heating without time programm by reduced setpoint
- Safety functions activated
- Summer/Winter automatic switching activated
- ECO-functions activated
Safety mode on
, with:
- Heating off
- Temperature by frost protection
- Safety functions activated
Controller Stop mode
Press button > 3 sec.
Press button > 3 sec. again
304: Controller Stopp mode
insert setpoint
after 3 sec. Main menu appears
Info display
Press button 1x
Press button 1x again
Press button 1x again
…..
Press button 1x
INFO Segment displayed
- Status Boiler
- room temperature
- room temperature minimum
- Status DHW
- room temperature maximum
- Status zone 1
- outside temperature
- Status zone 2
- outside temperature minimum
- outside temperature maximum
- Time / Date
- DHW temperature 1
- Error indication
- Boiler temperature
- Maintenance indication
- Flow temperature
(Info display depends on configuration)
Back to main menu;
INFO Segment disappears
Operation by manual
setpoint
Change factory setting
boiler temperature
Press button 1x
Press button
Press button
Turn wheel -/+
Press button
Press button
Press button
Manual mode on
(spanner symbol appears)
- Haeting by fixed setpoint
(factory setting = 60 °C)
301: Manual mode
insert setpoint?
blinking temperature
set value
Status boiler
Manual mode off (spanner symbol disappears)
Deaeration
Press button > 3 sec.
Press button > 3 sec. again
312: Deaeration on
Deaeration off
Activate chimney sweeper
mode
Press button (< 3 sec.)
Press button again (< 3 sec.)
Chimney sweeper mode on
Chimney sweeper mode off
Temporary reduction of
reduced temperature on
QAA75
Press button
Press button again
Heating by reduced setpoint
Heating by comfort setpoint
RESET
Reset button
Press button (< 3 sec.)
Press button again > 3 sec.
Boiler manually blocked, no release
Boiler released, Alarm symbol disappears
= confirmation
= cancel, return to main
menu
