23
EN
Cod. 3541T090 - Rev. 00 - 06/2019
INSTALLATION
6.14 Boiler fume ducts
THE BOILER MUST BE INSTALLED IN PLACES THAT MEET THE FUNDAMENTAL REQUIREMENTS FOR VEN-
TILATION. OTHERWISE THERE IS A DANGER OF SUFFOCATION OR INTOXICATION.
READ THE INSTALLATION AND MAINTENANCE INSTRUCTIONS BEFORE INSTALLING THE UNIT.
ALSO FOLLOW THE DESIGN INSTRUCTIONS.
IN CASE OF PRESSURES ABOVE 200 Pa INSIDE THE FUME EXHAUST PIPES, CLASS “H1” FLUES MUST BE USED.
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 carefully 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.
Installation type C10
In case of flues under pressure in a collective flue, before installation and at subsequent maintenance operations, close the fume discharge duct coming from the flue.
OTHERWISE THERE IS DANGER OF SUFFOCATION DUE TO PRODUCTS OF COMBUSTION ESCAPING INTO THE BOILER ROOM.
Installation of the boiler according to type C10 must be carried out by specialist personnel doing the calculations required by current regulations in compliance with the
maximum positive pressure of the flue and the boiler.
Connection with coaxial pipes
fig. 26 - Examples of connection with coaxial pipes ( = Air / = Fumes)
For coaxial connection, fit the unit with one of the following starting accessories. For the wall hole dimensions, refer to the figure on the cover. Any horizontal sections of the fume exhaust must be kept
sloping slightly towards the boiler, to prevent possible condensate from flowing back towards the outside and causing dripping.
fig. 27 - Starting accessories for coaxial ducts
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