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DEUTSCH
INSTALLATION
CONNECTION TO THE CHIMNEY
- The chimney connections must comply with the applicable
standards (in Belgium: NBN D51-003), the local energy
supplier’s instructions, the fire regulation and neighbourhood
good practices.
- The
Prestige
has an inbuilt gas/air ratio regulator, which makes
it largely independent of the pressure drop in the air intake and
flue gas extraction system. However, the maximum pressure
drop for this system may not be exceeded, or the pressure will
diminish. Nevertheless, the gas/air ratio regulator continuously
guarantees optimum combustion with very low emission levels.
- The horizontal flue gas pipes must always be installed with a
min. slope of 5 mm per meter, upwards from the boiler side.
- There must be no obstruction or openings for any other appli-
ances within a radius of 0.5 metres around the flue terminal of
the
Prestige
.
-
The maximum flue resistance is 130 Pascal.
You can use the
following table as the basis for calculating this value
(please also
refer to the specimen calculation presented under the table).
prestige
1000 mm
1000 mm
2000 mm
2000 mm
prestige
prestige
C53
C33
150 min.
120
C13
B 23
C43
C43
C33
Sample calculation:
The diagram below consists
of the following parts: pipe with
monitoring s 2 * 90°
pipe bends + 2 metres of
horizontal pipe + 2 * 45° pipe
bends + (2 + 1 + 1) metres of
vertical pipe and fall back +
discharge.
Therefore, the resistance of this
system is as follows:
2.5 + (2 x 6.0) + (2 x 5.0) +
(2 x 4.0) + (4 x 5.0) + 20 =
72.5 Pa.
This value is less
than the maximum
authorised resistance,
therefore the
installation is
compliant.
Options for connection to the chimney
Table of flue resistance in Pascal
(1Pascal = 0,01 mbar)
Pipe
concentric
Ø 80/125
mm
Air inlet
separate
Ø 80
mm
Air extraction
separate
Ø 80
mm
1 m straight pipe
5.0
1.5
2.0
Pipe with a monitoring
section
2.5
—
1.0
90° pipe bend
6.0
1.9
3.4
45° pipe bend
4.0
1.3
2.3
Vertical pipe
20.0
—
—
Horizontal pipe
15.0
—
—
This table is based on the equipment offered by ACV and cannot be
applied generally.
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