Sime FORMAT DEWY.zip 25 BF - Connection with Existing Flues; Separate Pipe Accessories

75
IT
ES
PT
GB
RUS
2.8.1 Separate pipe accessories
Kit code 8089911 is supplied for this pur-
pose (fig. 9).
The sectored diaphragm is to be used
according to the maximum head loss
allowed in both pipes, as given in fig. 10.
2.8.2 Connection with existing flues
The ø 80 flue gas pipe may be connected to
an existing flue. When the boiler is running
at a low temperature, a regular flue may be
used under the following conditions:
– No other boiler must be using the flue.
–
The flue interior must be shielded
from direct contact with condensation
from the boiler.
The products of combustion must be
conveyed through a flexible or rigid pla-
stic pipe around 100 to 150 mm in dia-
meter, and condensation must be sipho-
ned off at the foot of the pipe.
KEY
1 Separate pipes kit code 8089911
2 90° elbow MF code 8077450 (6 pz.)
3 90° elbow MF
with take-off points code 8077452
4a Extension L. 1000 code 8077351 (6 pz.)
4b Extension L. 500 code 8077350 (6 pz.)
5 Outlet terminal code 8089501
6 Int.-est. ring kit code 8091500
7 Inlet terminal code 8089500
8 45° elbow MF code 8077451 (6 pz.)
1
2
3
4
5
3
Fig. 9
KEY
1 Blind flange
2 Flue gas duct flange
3 Fixing screw
4 Gasket ø 125/95
5 Intake duct collar
Fig. 10
NOTE
Before connecting accessories, it is always advisable to
lubricate the internal part of the gaskets with silicon
products. Avoid using oils and greases.