Maintenance - Ferroli BlueHelix HiTech RRT C Instructions For Use, Maintenance And Installation Manual

First boiler ignition
•Make sure there is no draw-off of hot water and room thermostat requests.
•Turn on the gas and check that the gas supply pressure ahead of the unit complies with the tech-
nical data table or in any case the tolerance provided for by the regulations.
•Power the boiler electrically, the display shows the software version number of the control unit
and display and then FH and Fh air venting cycle (see cap. 1.3 "Connection to the power sup-
ply, switching on and off" on page 302).
•After the Fh cycle, the display will show the winter mode screen (fig. 11); do the temperature ad-
justments: heating flow and DHW outlet (fig. 14 and fig. 15). Check if the value of the flue pa-
rameter, P68 - *** '- Transparent Parameters Table' on page 329 ***, is suitable for the length
of flue installed.
•In case of gas change (G20 - G30 - G31 - G230), check if the relevant parameter is suitable for
the type of gas present in the supply system (see"Gas conversion" on page 327 and cap. 3.1
"Adjustments" on page 327).
•Put the boiler in DHW or heating mode (see cap. 1.3 "Connection to the power supply, switching
on and off" on page 302).
•In Heating mode, do a request: the radiator symbol flashes on the display and the flame appears
when the burner ignites.
•DHW mode with hot water draw-off present: the faucet symbol flashes on the display and the
flame appears when the burner ignites.
•Do the combustion check as described in par. "Checking the combustion values" on page 327.

3.3 Maintenance

IMPORTANT
ALL MAINTENANCE WORK AND REPLACEMENTS
B
MUST BE CARRIED OUT BY SKILLED QUALIFIED
PERSONNEL.
Before carrying out any operation inside the boiler,
disconnect the power and close the gas cock up-
stream. Otherwise there may be a danger of explo-
sion, electric shock, suffocation or poisoning.
Opening the front panel
Some internal components of the boiler can reach tem-
B
peratures high enough to cause severe burns. Before
carrying out any operation, wait for these compo-
nents to cool or else wear suitable gloves.
334
BlueHelix HiTech RRT C
cod. 3541V300 - Rev. 00 - 02/2021
EN