ACV International
22
Fitting dual-pipe duct
1.
Fit the dual-pipe duct with a fall towards the appliance.
2.
Make two openings of ø 90 mm in the wall.
3.
Shorten the dual-pipe duct to the correct length.
4.
Slide the supply and flue pipes into the openings.
5.
Cover the openings with the wall cover plates.
6.
Fit the outlet grilles to the supply and flue pipes.
7.
Secure them to the pipes.
Fitting double-pipe extension pipe(s) for gallery balcony terminal.
If the free end of the terminal is obstructed by a roof overhang, balcony, gallery or
otherwise, the air supply pipe and the combustion gas flue pipe must be extended to
at least the front of the protruding part.
If the air supply cannot be disturbed by obstacles, such as a support or dividing wall
and if the terminal is not at the edge of a building, the air supply pipe does not have
to be extended.
1.
Extend the combustion gas flue pipe, and where appropriate also the air supply
pipe, of the dual-pipe duct with a standard combustion gas flue and air supply
pipe of the correct length in accordance with the dimensions indicated.
2.
Slide the combustion gas flue and where appropriate also the air supply pipe
into the inlet and outlet pipe of the dual-pipe duct.
3.
Fit the combustion gas flue and air supply pipe with a fall towards the appliance.
4.
Fit the outlet grilles to both pipes.
