1.3 Connection to the power supply, turning on and off
Boiler not electrically powered
To avoid damage caused by freezing during long idle periods in winter, it is advi-
B
sable to drain all the water from the boiler.
Boiler electrically powered
Electrically power the boiler.
MAIN FW 1.00
DSP FW 1.00
fig. 6- Switching on / Software version
•
During the first 5 seconds the display shows the software version of the board and display (fig. 6).
•
For the next 120 seconds the display will show FH which identifies the heating system air venting cycle (fig. 7).
•
Open the gas cock ahead of the boiler
•
When the message FH disappears, the boiler is ready to operate automatically whenever hot water is drawn or in
case of a room thermostat request
To interrupt the venting phase (FH), press the button
button
.
48
until the message "Stop?" appears. Then confirm with the
FH
2%
fig. 8
cod. 3542B970 - Rev. 05 - 07/2024
DIVATOP D F
FH
2%
fig. 7- Vent with fan on
Stop?
0%
EN