67EN
cod. 3540000272 - Rev. 01 - 01/2024
2.6 Fume ducts
B
THE BOILERS MUST BE INSTALLED IN ROOMS THAT
MEET THE FUNDAMENTAL VENTILATION REQUIRE-
MENTS. OTHERWISE THERE IS A DANGER OF AS-
PHYXIA OR POISONING.
READ THE INSTALLATION AND MAINTENANCE IN-
STRUCTIONS BEFORE INSTALLING THE UNIT.
ALSO RESPECT THE DESIGN INSTRUCTIONS.
IN CASE OF PRESSURES EXCEEDING 200 Pa INSIDE
THE FUME EXHAUST PIPES, THE USE OF CLASS
"H1” FLUES IS MANDATORY.
Important
The unit is a “C type” with sealed chamber and forced draught; the air inlet and fume outlet must
be connected to one of the extraction/suction systems indicated below. Before proceeding with
installation, check and carefully observe the above instructions. Also, comply with the provisions
on the positioning of wall and/or roof terminals and the minimum distances from windows, walls,
ventilation openings, etc.
In case of installation with maximum resistance (coaxial or separate chimney) it is advisa-
ble to perform a complete manual calibration to optimize boiler combustion.
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