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Connection with coaxial pipes
fig. 9 - Examples of connection with coaxial pipes (
Table. 2 - Typology
Type
Description
C1X
Wall horizontal exhaust and inlet
C3X
Roof vertical exhaust and inlet
For coaxial connection, fit the unit with one of the following starting accessories. For the
wall hole dimensions, refer to fig. 17.
100
60
010006X0
010007X0
fig. 10 Starting accessories for coaxial ducts
Table. 3 - Baffles for coaxial ducts
Maximum permissible length
Reduction factor 90° bend
Reduction factor 45° bend
0 ÷ 2 m
Baffle to use
2 ÷ 5 m
16
EN
= Air /
125
80
010018X0
Coaxial 60/100
Coaxial 80/125
5 m
10 m
1 m
0.5 m
0.5 m
0.25 m
DIVA HF24 = Ø43
DIVA HF24 = Ø43
0 ÷ 3 m
DIVA HF32 = Ø45
DIVA HF32 = Ø45
no baffle
3 ÷ 10 m
cod. 3541E613 - Rev. 00 - 02/2016
Connection with separate pipes
C
5x
= Fumes)
fig. 11 - 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:
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
Baffle to use
no baffle
80
010011X0
fig. 12 - Starting accessory for separate ducts
(equivalent metres) of every compo-
eq
Separate ducts
DIVA HF24
60 m
eq
0 - 20 m
Ø 43
eq
20 - 45 m
Ø 47
eq
45 - 60 m
No baffle
eq
DIVA HF
B
C
2x
1x
= Air /
= Fumes)
80
DIVA HF32
48 m
eq
0 - 15 m
Ø 45
eq
15 - 35 m
Ø 50
eq
35 - 48 m
No baffle
eq
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