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CASE 2: the control unit is attached to the wall
• B to set the ambient temperature in the room to be heated.
OPERATING MODE DESCRIPTION
• Comfort : the temperature in the room to be heated corresponds to the comfort temperature; the factory-set
value is 20 °C (symbols ) ;
• Reduced : the temperature in the room to be heated corresponds to the reduced temperature; the factory-set
value is 16 °C (symbols displayed ) ;
• Automatic : the temperature in the room to be heated depends on the hourly range programmed (symbols
displayed ) ;
• Protection : the boiler switches on when the ambient temperature falls below 6 °C (symbol displayed )
While the boiler is operating in Automatic mode, turn button B to set the temperature temporarily. This
modification remains valid until the next hourly range is changed.
The boiler’s anti-freeze is always activated; the boiler starts up when the heating start temperature is under
5°C. This function is operational if the appliance is powered electrically and if there is gas.
6.1.1 Ambient temperature setting in reduced mode
To program the ambient temperature in Reduced mode, proceed as follows:
• C B «Heating circuit 1» B.
• B the programe line 712 (Reduced setpoint), then B (the temperature value starts to flash);
• B to modify the temperature and B to confirm.
• C to return to the previous menu.
The comfort ambient temperature may be set not only using the A key in chapter 3, but also by modifying the 710 parameter
as indicated above.
6.2 Holiday program
This function enables users to choose the ambient temperature value to be programmed when they are going away for
several days (for example during holidays). The minimum anti-freeze temperature or the Reduced mode temperature
(program line 648) may be programmed. In program line 641 (Preselection), 8 programming levels named Period 1 (next
8 days to be programmed in on and off) are available. When the function is activated, the display shows the symbol
The following procedure activates the function and programs the hourly ranges:
• C CC1 circuit holidays
• B program line 641 («Preselection») B Period 1 (flashes) B and choose the day to program (from 1 to
8), then B program line 642.
• B to program the start period (642) B B to program the month B and B to program the day
B to confirm.
• Repeat the same sequence of instructions to also program the program line 643 (at the end of the range, the
boiler starts working on the next day).
• Once the start and end of the range have been programmed B the program line 648
B B to program the minimum operating temperature, if anti-freeze, or Reduced mode, then
B to confirm.
• Repeat these three points to program other ranges or C to return to the previous menu.
6 OPERATING MODES
6.1 Heating
The boiler has 4 heating operatingfmodes : Comfort - Reduced - Automatic - Protection.
To program one of the operating modes, proceed as follows:
From the main menu A B CC1 regime B to confirm.
• B (anti clockwise) Comfort - Reduced - Automatic - Protection
B to confirm or C exit without saving.
CASE 1: the control unit is installed in the boiler
Turn the B button to set the boiler’s start temperature.
OPERATING MODE DESCRIPTION
• Comfort : the heatingf is always activated (symbols displayed ).
• Reduced : the heatingf is deactivated (symbols displayed ) ;
• Automatic : the heatingf depends on the hourly range programmed (symbols displayed ) ;
• Protection : the boiler shuts down and the anti-freeze protection is activated (symbol displayed )
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