8
The electronic management system of the boiler includes protection
against frost. If the water temperature falls below 5°C, the burner starts up
in order to provide a water temperature of 30°C.
This function only works if the boiler is turned on, the gas supply open and
the hydraulic pressure correct.
8.4.1 Activating Protection mode
1. Press the key to access the shortcuts menu.
2. Select the C
parameter by turning the
button.
3. Confirm the selection by pressing the
button.
4. Select the O
parameter by turning the button.
5. Confirm the selection by pressing the
button.
The
symbol is displayed.
When the O
operating mode is activated:
The electrical circuits continue to be powered up.
The frost protection function is activated.
Fig.76 O
MW-3000051-EN-02
Hot water boost
Central heatin
mode CH1
Room tem
erature CH1
MENU
8 Operation
70 7609474 - v02 - 04092014
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