RAGGIO C
177
EN
cod. 3541V280 - Rev. 01 - 04/2021
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
ASPHYXIA 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 “type C” with sealed chamber and forced draught; the air inlet and fume outlet must be
connected to one of the following extraction/suction systems. Before installation, check and care-
fully observe the above prescriptions. Also, comply with the provisions concerning the positioning
of wall and/or roof terminals and the minimum distances from windows, walls, vents, etc.
C10-type installation
When there are pressurized pipes in collective flues, before installation and at subsequent main-
tenance, close the fume exhaust duct coming from the flue.
OTHERWISE THERE IS A DANGER
OF ASPHYXIA DUE TO COMBUSTION PRODUCTS ESCAPING INTO THE BOILER ROOM.
C10-type boiler installation must be performed by specialist personnel, doing the calcula-
tions required by current regulations in compliance with the maximum positive pressure
of the flue and the boiler.