12.1 Controls and explanation of the functions
Central heating
Setting the CH water temperature:
Briey press + or – ; the display will show the ashing preset value;
Briey press + or – to change the set value. Each change becomes active directly.
CH program OFF: Press – until the lowest value is reached and then press – again. The
display is showing - - .
Switching on works in reverse order.
Boiler information
Requesting current data:
Briey press the eco-button for 6 seconds in order to obtain the following value using the
scroll buttons:
A0 Flow water temperature in °C
A1 Return water temperature in °C
A2 DHW temperature (only with 3 port diverter kit) in °C
A3 T-set temperature (calculated) in °C
A4 Flue gas temperature (only if a ue gas sensor is connected) in °C
A5 Outside temperature (only if an outside sensor is connected) in °C
A6 Water pressure in bar
A7 n.a.
A8
Ionisation current in mA.
A9 rpm of fan (x100)
To return to the standard view press ESC.
Reset button
The reset button allows the boiler to restart if an error has occurred.
In case of an error the
symbol is displayed with a XXX code.
In other cases the Reset button does not function and will not respond to operation.
See chapter 17 for a brief overview of codes.
Ancillary functions:
Both + buttons = Commissioning-mode for checking the CO
2
CH + button = OK (conrm)
DHW Button: Scroll function
(‘scrolling’ through parameters)
CH – button = ESC function
(back to standard display)
Both – buttons: Pump continuous on/o
OK
ESC
scroll
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