23
Fitting the connection pipe
M
L
1.
Only for
balanced
flue operation:
Trim final ventilation air pipe
L
of
the connection pipe so that it ends
level with the internal shaft wall sur-
face.
N
O
2. Balanced
flue operation:
Slide balanced flue wall bezel
M
onto the pipe and push it against
the shaft opening.
Open
flue operation:
Slide ventilation bezel
N
onto the
pipe and push it against the shaft
opening.
Note
The gap created provides secon-
dary ventilation to the shaft.
No additional ventilation grille is
required.
Open
flue operation with combus-
tion air supply via interconnected
rooms:
Push the flue pipe onto the support
bend. Slide on air inlet adaptor
O
and secure it to the shaft.
Fitting a metal shaft cover
For routing a plastic flue inside a twin
flue shaft, in conjunction with a solid
fuel boiler.
The metal end piece must protrude into
the shaft by a length that is equal to or
greater than the flue pipe diameter.
If necessary, use the stainless steel
extension which is available as an
accessory.
Routing through a shaft
(cont.)
5780 223 GB
Summary of Contents for Vitocaldens 222-F
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