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57
1
2
max. 5 m
max. 5 m
* = 3
*
90
1
max. 5 m
max. 5 m
90
Fig. 6.4: Long flue runs – using 87° elbow
Fig. 6.5: Long flue elbow – Using 45° elbows
FITTING AIR/FLUE DUCT EXTENSIONS
PAR
T 2 CONCENTRIC 80/125
• When using elbows for long flue
runs in a corner follow fig. 6.4
and fig. 6.5 to avoid obtrsuctions.
☞
Note: The elbows must be
correctly aligned to avoid undue
stress on the joints an risk of
leakage.
The elbow fitted to the top of the
boiler (1) should be twisted by 3°
to ensure that the second 87° el-
bow (2) exits the wall perpendi-
cular.
When using 87° elbow install with
a slope of 3° between wall and
air-flue pipe (fig. 6.4) or use 2 x
45° elbows (fig. 6.5).
834449_09GB_082006.qxd 10.08.2006 12:20 Seite 57
Summary of Contents for ecoTEC plus 612
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Page 179: ...Supplied By www heating spares co Tel 0161 620 6677 15 Instructions for use ecoTEC...
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