BLUEHELIX PRIMA 24 C
28
EN
cod. 3541R820EN - Rev. 03 - 03/2020
3.2 Commissioning
Before lighting the boiler
•
Check the tightness of the gas system.
•
Check correct expansion vessel precharge.
•
Fill the hydraulic system and make sure that all air contained in the boiler and the system has been vented.
•
Make sure there are no water leaks in the system, DHW circuits, connections or boiler.
•
Make sure there are no flammable liquids or materials near the boiler.
•
Check correct connection of the electrical system and efficiency of the grounding system.
•
Fill the trap (see cap. 2.7 "Condensate drain connection").
B
IF THE ABOVE INSTRUCTIONS ARE NOT OBSERVED THERE MAY BE RISK
OF SUFFOCATION OR POISONING DUE TO GAS OR FUMES ESCAPING;
DANGER OF FIRE OR EXPLOSION. ALSO, THERE MAY BE A RISK OF ELEC-
TRIC SHOCK OR FLOODING THE ROOM.
First boiler ignition
•
Make sure there is no drawing 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 technical data table or
in any case the tolerance provided for by the regulations.
•
Electrically power the boiler; the display will show the software version number and then Fh and FH air venting cycle
(see cap. 1.3 "Connection to the power supply, switching on and off" on page 5).
•
At the end of the FH cycle, the winter mode screen (fig. 8) will appear on the display; make the temperature adjust-
ments: heating delivery and DHW outlet (fig. 12 and fig. 13).
•
In case of gas change (G20 - G30 - G31 - G230), check if the relevant parameter is suitable for the type of gas pre-
sent in the supply system ( and cap. 3.1 "Adjustments" on page 21).
•
Set the boiler to DHW or heating mode (see cap. 1.3 "Connection to the power supply, switching on and off" on
page 5).
•
Perform a demand in Heating mode: the radiator symbol appears on the display and the actual heating system tem-
perature is displayed.
•
DHW mode with drawing of hot water: the tap symbol appears on the display and the actual DHW temperature is
displayed.
•
Do the combustion check as described in par. “Checking the combustion values” on page 22.
3.3 Maintenance
IMPORTANT
B
ALL MAINTENANCE WORK AND REPLACEMENTS MUST BE CARRIED OUT
BY SKILLED QUALIFIED PERSONNEL.
Before carrying out any operation inside the boiler, disconnect the power
and close the gas cock upstream. Otherwise there may be a danger of explo-
sion, electric shock, suffocation or poisoning.
