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Connection with separate pipes
C
5x
fig. 14 - Examples of connection with separate pipes (
Table. 4 - Typology
Type
Description
C1X
Wall horizontal exhaust and intake. The inlet/outlet terminals must be concentric or close enough to be
undergo similar wind conditions (within 50 cm)
C3X
Roof vertical exhaust and intake. Inlet/outlet terminals like for C12
C5X
Wall or roof exhaust and intake separate or in any case in areas with different pressures. The exhaust
and intake must not be positioned on opposite walls.
C6X
Intake and exhaust with separately certified pipes (EN 1856/1)
B2X
Intake from installation room and wall or roof exhaust
IMPORTANT - THE ROOM MUST BE PROVIDED WITH APPROPRIATE VENTILATION
For the connection of separate ducts, fit the unit with the following starting accessory:
120
82
fig. 15 - Starting accessory for separate ducts code 010031X0
Before installation, check the baffle to use and that the maximum permissible length is
not exceeded, by means of a simple calculation:
1.
Establish the layout of the system of split flues, including accessories and outlet ter-
minals.
2.
Consult table 6 and identify the losses in m
nent, 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 5.
Table. 5- Baffles for separate ducts
Max. permissible length
0 - 20 m
Baffle to use
20 - 45 m
45 - 60 m
6
EN
B
C
2x
1x
= Air /
82
(equivalent meters) of every compo-
eq
DIVAtech D HF24
DIVAtech D HF32
60 m
48 m
eq
eq
Ø 43
0 - 15 m
eq
eq
Ø 47
15 - 35 m
eq
eq
No baffle
35 - 48 m
eq
eq
cod. 3541P873 - Rev. 00 - 04/2021
Table. 6 - Accessories
PIPE 0.5 m M/F
BEND 45° F/F
Ø 80
PIPE SECTION with test point
= Fumes)
TEE for condensate drain
TERMINAL air, wall
FLUE Split air/fumes 80/80
REDUCTION from Ø80 to Ø100
PIPE 1 m M/F
Ø 100
BEND 45° M/F
TERMINAL air, wall
PIPE 1 m M/F
BEND 90° M/F
Ø 60
REDUCTION 80 - 60
TERMINAL fumes, wall
Connection to collective flues
C
8X
C
93
Ø 45
Ø 50
fig. 16 - Examples of connection to collective flues (
No baffle
Table. 7 - Typology
Type
Description
C2X
Intake and exhaust in common flue (intake and exhaust in same flue)
C4X
Intake and exhaust in common and separate flues, but undergoing similar wind conditions
C8X
Exhaust in single or common flue and wall intake
B3X
Intake from installation room by means of concentric duct (that encloses the exhaust) and exhaust in
common flue with natural draught
IMPORTANT- THE ROOM MUST BE PROVIDED WITH APPROPRIATE VENTILATION
C93
Exhaust to a vertical terminal and intake from existing flue.
If the boiler is to be connected DIVAtech D HF to a collective flue or to a single flue with
natural draught, the flue or chimney must be expressly designed by professionally qual-
ified technical personnel in conformity with the current regulations and be suitable for
sealed chamber units equipped with fan.
DIVAtech D HF
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
010028X0
010029X0
010030X0
1KWMA90A
ATTENTION: CONSIDER THE HIGH PRESSURE LOSSES OF Ø60 ACCESSORIES;
USE THEM ONLY IF NECESSARY AND AT THE LAST FUME EXHAUST SECTION.
C
2X
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
1.9
2.9
1.9
2.9
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
-
2.0
6.0
-
6.0
-
8.0
-
7.0
C
4X
C
93
= Air /
= Fumes)
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