Connection To The Power Supply, Switching On And Off - Ferroli BlueHelix HiTech RRT C Instructions For Use, Installation & Maintenance

BlueHelix HiTech RRT C

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 advi-
sable to drain all the water from the boiler.
Boiler electrically powered
Electrically power to the boiler.
MAIN FW 1.00
DSP FW 1.00
fig. 7- Switching on / Software version
• During the first 5 seconds the display shows the software version of the board and display (fig. 7).
• For the following 20 seconds the display will show FH which identifies the heating system air venting cycle with the
fan running (fig. 8).
• In the next 280 seconds, the venting cycle continues with the fan off (fig. 9).
• Open the gas valve 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 or Fh), keep the button
firm with the button
EN
FH
fig. 8- Vent with fan on
.
FH
2%
cod. 3541V691 - Rev. 00 - 04/2022
2%
pressed until the message "Stop?" appears. Then con-
Stop?
0%
fig. 10
Fh
6%
fig. 9- Vent with fan off
7