BLUEHELIX TOP RRT K 50
217
EN
cod. 3541Q281 - Rev. 02 - 10/2020
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
•
Once
Fh
has disappeared, the boiler is ready to operate automatically whenever there is a DHW demand or a de-
mand from the room thermostat.
Turning the boiler off and on
To switch modes, press the
winter/summer/off button
, for about 1 second, in the order indicated in fig. 8.
A =
Winter
Mode
B =
Summer
Mode
C =
Off
Mode
To turn the boiler off, press the
winter/summer/off button
(detail 7 - fig. 1) repeatedly until the display shows dashes.
fig. 8- Turning the boiler off
When the boiler is turned off, the circuit board is still
powered. Domestic hot water and heating are disa-
bled. The frost protection system remains activated.
To relight the boiler, press the
winter/summer/off bu-
tton
(detail 7 - fig. 1) twice.
fig. 9
The boiler will be immediately ready in Winter and DHW mode.
fig. 5- Switching on / Software version
fig. 6- Vent with fan on
fig. 7- Vent with fan off
A
B
C
