BLUEHELIX MAXIMA
202 EN
cod. 3541U630 - Rev. 00 - 07/2020
Table 6- Typology
If the boiler is to be connected BLUEHELIX MAXIMA to a collective flue or to a single flue with natural draft, the flue or
chimney must be expressly designed by professionally qualified technical personnel in conformity with current regula-
tions and be suitable for sealed chamber units equipped with fan.
ONLY FOR THE ITALIAN MARKET
According to Art. 5 Para. 2,. f) and g) of Min. Decree 37/08, gas systems, chimneys, flues and smoke systems
with a capacity of over 50 kW and in any case all multiple flues installed in Italy must be designed by a Profes-
sional registered in the appropriate professional registers.
Backflow preventer valve
The boiler BLUEHELIX MAXIMA is equipped as standard with a backflow preventer valve (anti-backflow system), the-
refore it can be connected to a positivepressure collective flue system, only if using G20 gas.
In case of C10-type boiler installation, apply the relevant white adhesive plate (included in the document bag
supplied with the unit) in a CLEARLY VISIBLE PLACE on the FRONT PANEL.
After installation, check the tightness of the fumes and gas circuit.
OTHERWISE THERE IS DANGER OF SUFFOCATION DUE TO THE EMISSION OF COMBUSTION FUMES.
Type Description
C10 Unit connected through its ducts to a system of common flue pipes under pressure obtained in the structure
C11 Unit connected through its ducts to a system of common flue pipes under pressure
C2X Intake and exhaust in common flue (intake and exhaust in same flue)
C4X Intake and exhaust in common and separate flues, but undergoing similar wind conditions
C8X Exhaust in single or common flue and wall intake
B3X Intake from installation room by means of concentric duct (that encloses the exhaust) and exhaust in common flue with natural
draft
IMPORTANT- THE ROOM MUST BE PROVIDED WITH APPROPRIATE VENTILATION
C93 Exhaust to a vertical terminal and intake from existing flue.
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