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Form #44201150
Sept 2010
-37-
16.4 TypeC
32
:
The following figure shows the typical arrangements for concentric vertical flues, see table 12 for 90°
bend equivalent lengths. The bends shown in the illustrations connecting the combustion air intake to the
concentric ducts is calculated into the overall length. For example a system with one additional
150/100mm Ø concentric 90° bend can be installed with 1m 100mm flue single pipe and the
combustion air single pipe as shown with 5.5m of 150/100mm Ø straight concentric flue. (8m – 2.5m
from table 12)
Components
Nr Supplier
Description
1. M & G
Roof Terminal 150/100mm
2.
M & G
Concentric vent 150/100mm
3. M & G
Flue Single pipe 100mm (Max 8m)
4.
M & G
Combustion Air single pipe 100mm.
5.
M & G
Elbow single pipe 100mm (3 shown)
6.
Powrmatic
Fresh air connector
7.
Powrmatic
Flue connector
Section A-A
2
1
4
3
A
A
5
6
7
140mm
ALTERNATIVE:
Use M & G approved
flexible connector. For
fresh air supply.
Fig. 38
16.5 TypeC
52
:
When fresh air for combustion and the flue outlet are from different pressures zones as shown in figure 36,
the flue outlet and the fresh air intake must not be on surfaces that are 180 degrees apart. The acceptable
configurations are those shown in figure 38 in combination with the maximum lengths listed on table 12.
Содержание PHS 25
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