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DRU GLOBAL 100 BF Manual

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INSTALLATION MANUAL
!Caution - Make sure that the right insertion length
is maintained;
- Place the wall terminal with the groove/
folded seam at the top;
- Make sure the horizontal concentric pipe
pieces are sloping towards the wall termi-
nal, in order to prevent rain water from
entering.
• Mount the rosette (mounting inner plate); if necessary, on
a heat resistant intermediate plate when passing through
combustible material.
• Attach the wall terminal from the outside with four
screws in their respective holes.
6.5.3 Application with roof terminal
6.5.3.1 Construction of concentric system with roof
terminal
The concentric system with roof terminal has to comply
with the following conditions:
- The construction of the chosen system has to be allowed.
(See the procedure described below);
- First, a concentric pipe of at least 1 meter should be
connected vertically to the appliance.
Depending on the construction of the concentric system,
the appliance is set by placing the baffl e and/or removing
the air inlet guide.
In the following procedure you can see how the allowability
of a concentric system can be determined and which set-
tings are needed.
• Determine the following data:
1) The number of bends required (no distinction is made
between 45° and 90° bends);
2) The total number of meters of horizontal pipe length;
3) The total number of meters of vertical and/or sloping
pipe length (roof terminal excluded).
With these data and Table 2 you will be able to determine
whether the concentric system is allowed.
In Table 3 you can see which setting the appliance requires.
Follow the procedure described below:
• In the fi rst 2 columns of Table 2, look for the number of
bends required and the total horizontal pipe length.
• In the 3
rd
column of Table 2, look for the total vertical
and/or sloping pipe length.
If you end up in a box with the letter A, B, C, or D the
concentric system chosen by you is allowed.
• Use Table 3 to determine which conditions apply for the
baffl e and/or the air inlet guide
(for setting, see section 6.8).
Examples
To clarify, we will give 2 examples to determine the allowa-
bility of a concentric system and the conditions for setting
the appliance.
In Table 2 the route to be followed is indicated by arrows.
The result is indicated in a box with a double frame.
Example 1
1) 2 bends
2) 3 meters horizontal
3) 8 meters vertical/sloping
Construction of this concentric system is allowed.
Situation B applies for the adjustment of the appliance.
Example 2
1) 3 bends
2) 4 meters horizontal
3) 9 meters vertical/sloping
Construction of this concentric system is not allowed.
… 34 …


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