Ferroli DIVATOP D HF Instructions For Use, Installation & Maintenance page 49

DIVATOP D HF
Turning the boiler off and on
Changing from one mode to another is possible by repeatedly pressing the button
in fig. 9.
A ="Summer" mode - B = "Winter" mode - C = "Off" mode
To turn the boiler off, repeatedly press the button
bar
37
°C
OFF
A
When the boiler is turned off, the PCB is still powered. DHW and heating are disabled. The frost protection system re-
mains on. To turn the boiler on again, press the button
The boiler will be immediately ready in Winter and DHW mode.
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.
EN
until displaying detail C of fig. 9.
bar
29
°C
27
°C
B
fig. 9- Turning the boiler off
.
cod. 3540000180 - Rev. 00 - 05/2023
, following the sequence shown
bar
OFF
OFF
C
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