5 Set-up
22 Installation manual 0020237648_03
5.1.10.8 Routing extensions for the variable terminal
set around eaves
When installing the variable terminal set around eaves, ad-
ditional M8 threaded rods are required for the pipe clamps.
The threaded rods are commercially available.
▶ If required, install additional 45° elbows.
5.1.11 Installing the vertical roof duct, 60/100 mm
diameter
5.1.11.1 Installation instructions
Danger!
Risk of poisoning due to escaping flue
gas and risk of material damage due to the
roof duct shearing off.
Snow and ice sliding down pitched roofs may
break off the vertical roof duct where it exits
the roof.
▶ In regions where heavy snow
falls/extensive ice formation can be ex-
pected, install the vertical roof duct close
to the ridge or install a snow guard mesh
above the roof duct.
The vertical roof ducts can be shortened under the roof.
However, to ensure that the fixing bracket is secured tightly,
the lengths must still be sufficient.
▶ Shorten the flue pipe and the air pipe by the same
amount.
5.1.11.2 Determining the pipe lengths for the
vertical, concentric air/flue pipe
▶ Determine the required pipe length: X plus roof duct (1)
(→ Installation instructions).
– The pipe length is reduced by 0.5 m for each 45° el-
bow that is installed.
– The pipe length is reduced by 1 m for each 87° elbow
that is installed.
– Required diameter of the hole for the roof duct:
150 mm
5.1.11.3 Installing the 60/100 mm connection piece
1. Fit the connection piece onto the boiler's flue gas con-
nection. In doing so, ensure that the connection piece is
aligned correctly.
2. Secure the connection piece using the 4 screws.
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