Installation
23
Type C12
Fig. 6.7
If either an additional 45
˚
or 90
˚
accessory elbow
is used then the maximum permissible length of
either pipe must be reduced by 0.90 m or 1,65 m
respectively.
N.B: The air intake and the flue outlet must not
terminate on opposite sides of the building.
Type C52
90
˚
=--- 1,65 m
45
˚
=--- 0,90 m
Type C42
Fig. 6.8
Type C82
Fig. 6.9
Two restrictors with different size are supplied
with the twin pipe kit and have to be installed
between the boiler and the air intake adapter
(Fig. 6.10).
Air intake adapter
Restrictor
Gasket
Fig. 6.10
For the correct use of the restrictors
with twin
pipes
refer to Tab. 6.2.
Equivalent length
(air duct + flue duct)
Restrictor
Between 1 and 15 m
ø 50 mm
More than 15 m up to 30 m
ø 55 mm
Tab. 6.2
IN
S
TA
LLA
TI
O
N
