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DIVAtop MICRO F
Connection with coaxial pipes
fig. 20 - Examples of connection with coaxial pipes (
For coaxial connection, fit the unit with one of the following starting accessories. For the
wall hole dimensions, refer to the figure on the cover. Any horizontal sections of the fume
exhaust must be kept sloping slightly towards the outside, to prevent condensate from
flowing back towards the unit.
100
60
010006X0
010018X0
fig. 21 - Starting accessories for coaxial ducts
Before proceeding with installation, check that the maximum permissible length is not
exceeded, bearing in mind that everycoaxial bend gives rise to the reduction indicated in
the table. For example, a Ø 60/100 duct comprising a 90° bend + 1 horizontal metre has
a total equivalent length of 2 metres.
Table. 2 - Max. length coaxial ducts
Max. permissible length
Reduction factor 90° bend
Reduction factor 45° bend
Connection with separate pipes
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fig. 22 - Examples of connection with separate pipes (
For connection of the separate ducts, fit the unit with the following starting accessory:
80
fig. 23 - Starting accessory for separate ducts
Before proceeding with installation make sure the maximum permissible length has not
been exceeded, by means of a simple calculation:
1.
Completely establish the layout of the system of split flues, including accessories
and outlet terminals.
2.
Consult the table 4 and identify the losses in m
ponent, according to the installation position.
3.
Check that the sum total of losses is less than or equal to the maximum permissible
length in table 3.
= Air /
125
80
010007X0
Coaxial
60/100
80/125
60/100
DIVAtop MICRO F 24
DIVAtop MICRO F 37
DIVAtop MICRO F 32
5 m
10 m
4 m
1 m
0.5 m
1 m
0.5 m
0.25 m
0.5 m
B
22
= Air /
80
010011X0
(equivalent metres) of every com-
eq
cod. 3540S263 -
Table. 3 - Max. length for separate ducts
Max. permissible length
Table. 4 - Accessories
= Fumes)
Ø 80
PIPE 0.5 m M/F
BEND 45° F/F
PIPE SECTION with test point
TEE for condensate drain
TERMINAL air, wall
FLUE Split air/fumes 80/80
Ø 100
REDUCTION from Ø80 to Ø100
PIPE 1 m M/F
BEND 45° M/F
TERMINAL air, wall
80/125
Connection to multiple flues
10 m
0.5 m
0.25 m
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fig. 24 - Examples of connection to flues (
To connect the boiler DIVAtop MICRO F to a multiple flue or a single chimney with nat-
ural draught, the flue or chimney must be expressly designed by professionally qualified
technical personnel in conformity with the current regulations and be suitable for sealed
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chamber units equipped with a fan.
In particular, chimneys and flues must have the following characteristics:
= Fumes)
•
Be sized according to the method of calculation given in the current regulations.
•
Be fumetight, resistant to the fumes and heat and impermeable to condensate.
•
Have a round or square section, with vertical run and without constrictions.
•
Have the ducts conveying the hot fumes, adequately separated or isolated from
combustible materials.
•
Be connected to only one unit per floor.
•
Be connected to a single type of unit (or all and only forced draught units or all and
only natural draught units).
•
Have no mechanical suction devices in the main ducts.
•
Be at low pressure, along the entire length, under conditions of stationary operation.
•
Have a collection chamber at their base for solid materials or possible condensate,
equipped with an airtight metal door.
Separate ducts
DIVAtop MICRO F 24 DIVAtop MICRO F 32 DIVAtop MICRO F 37
60 m
eq
1KWMA38A
1 m M/F
1KWMA83A
2 m M/F
1KWMA06K
1KWMA01K
45° M/F
1KWMA65A
90° F/F
1KWMA02K
90° M/F
1KWMA82A
90° M/F + Test point
1KWMA70U
1KWMA16U
for condensate drain
1KWMA55U
1KWMA05K
1KWMA85A
fumes, wall with antiwind
1KWMA86A
1KWMA84U
Fume outlet only Ø80
1KWMA83U +
1KWMA86U
1KWMA03U
from Ø100 to Ø80
1KWMA08K
1KWMA03K
90° M/F
1KWMA04K
1KWMA14K
fumes, wall with antiwind
1KWMA29K
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48 m
40 m
eq
eq
Losses in m
eq
Air
Fume exhaust
inlet
Vertical
Horizontal
0.5
0.5
1.0
1.0
1.0
2.0
2.0
2.0
4.0
1.2
2.2
1.2
2.2
2.0
3.0
1.5
2.5
1.5
2.5
0.2
0.2
-
3.0
-
7.0
2.0
-
-
5.0
-
12.0
-
4.0
0.0
0.0
1.5
3.0
0.4
0.4
0.8
0.6
1.0
0.8
1.3
1.5
-
-
3.0
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= Air /
= Fumes)
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EN
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