MACH
Reach the screen shown in fig. 11, navigating in the
menu and following the path "USER MENU
tings"
"Time Setting". Press navigation buttons 5
and 7 to select the value and modify it with contextual
buttons 1 and 2. Confirm with the OK button.
Boiler shutdown
From the main screen/Home, press the contextual bu-
tton
and confirm with the button
When the boiler is turned off, the PCB is still powered.
Domestic hot water (with optional hot water tank insta-
lled) and heating operation are disabled. The frost pro-
tection system remains on.
To relight the boiler, press the contextual button again
.
The boiler will be immediately ready to operate whe-
never domestic hot water is drawn (with optional hot
water tank installed) or in case of a room thermostat
request.
To completely disconnect the unit from the power su-
pply, press the button detail 14 fig. 1.
The frost protection system does not work when the power and/or gas to the unit
B
are turned off. To avoid damage caused by freezing during long shutdowns in win-
ter, it is advisable to drain all water from the boiler, the DHW circuit and the heating
system water; or drain just the DHW circuit and add a suitable antifreeze to the
heating system, as prescribed in sec. 2.3.
1.4 Adjustments
Summer/Winter Switchover
Press the button
The display activates the Summer symbol. The hea-
ting function is deactivated while possible DHW pro-
duction remains active (with optional external hot
water tank). The frost protection system remains on.
To deactivate Summer mode, press the button
(detail 9 - fig. 1) again for 1 second.
EN
"Set-
fig. 11- Time Adjustment
.
fig. 12- Turning the boiler off
(detail 9 - fig. 1) for 1 second.
fig. 13- Summer
cod. 3541V120 - Rev 00 - 09/2021
Set time
15
: 59
to select
to confirm
Thursday 9 Jan. 2014 00:15:60
23°C
32°C
Thursday 9 Jan. 2014 11:33:03
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