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Installation sequence
Connections on the flue gas side
Note
Install a flexible connection piece in the flue to prevent
sound transmission from the flue gas fan.
Never brick the flue pipe into the chimney.
If necessary, provide additional sound insulation on
site.
Fig. 15
Cleaning aperture
A
Thermal insulation
B
C
Flexible flue inlet
Connections on the water side
Remove the protective caps from the connections on
the back of the boiler.
22
B
C
A
1. Install the flue pipe with a rise to the chimney (pref-
erably 45°).
Flue pipe (internal diameter):
Max. flue pipe length to the chimney: 3000 mm
Note
Let the flue pipe connector project about 1 cm into
the chimney. This prevents condensate or rainwa-
ter from the chimney running into the flue pipe.
2. The entire flue pipe with cleaning aperture must be
gas-tight.
3. Thermally insulate the flue pipe with at least
30 mm of insulation.
4. Install a draught limiter (accessories) in the chim-
ney:
Separate installation instructions
150 mm
7
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