BLUEHELIX PRIMA 24 C
5
EN
cod. 3541R820EN - Rev. 03 - 03/2020
Comfort
A Comfort demand (reinstatement of temperature inside the boiler) is indicated by flashing of the
Comfort
symbol. The
display (detail 12 - fig. 1) shows the actual temperature of the water in the boiler.
Fault
In case of a fault (see cap. 3.4 "Troubleshooting") the display shows the fault code (detail 12 - fig. 1) and during safety
pause times the messages
“d3”
and
“d4”
.
1.3 Connection to the power supply, switching on and off
Boiler not electrically powered
B
To avoid damage caused by
freezing during long idle periods
in winter, it is advisable to drain
all the water from the boiler.
fig. 4- Boiler not electrically powered
Boiler electrically powered
Switch on the power to the boiler.
•
During the first 5 seconds the display shows the card software version (fig. 5).
•
For the following 20 seconds the display will show
FH
which identifies the heating system air venting cycle with the
fan running (fig. 6).
•
In the next 280 seconds, the venting cycle continues with the fan off (fig. 7).
•
Open the gas valve ahead of the boiler
•
When the message
Fh
disappears, the boiler is ready to operate automatically whenever domestic hot water is
drawn or in case of a room thermostat demand
Turning the boiler off and on
It is possible to switch from one mode to another by pressing the
winter/summer/off
button for about one second, fo-
llowing the sequence given in fig. 8.
A =Winter
mode
B =Summer
mode
C =Off
mode
To turn the boiler off, press the
summer/winter/off
button (detail 7 - fig. 1) repeatedly until the display shows dashes.
fig. 8- Turning the boiler off
fig. 5- Switching on / Software version
fig. 6- Vent with fan on
fig. 7- Vent with fan off
A
B
C