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Fig.18
Dimensions of open connection
ød
1
Fig.19
Room-ventilated version C 330
ECO
L =
AD-0000562-01
7600532 - v.11 - 13122018
6.4.2
Dimensions of flue gas outlet pipe
Warning
The pipes connected to the flue gas adapter must satisfy the
following dimension requirements.
d
External dimensions of flue gas outlet pipe
1
Tab.19
Dimensions of pipe
250 mm
350 mm
AD-3001094-01
6.4.3
Length of the air and flue gas pipes
The maximum length of the flue gas outlet and air supply channel vary
depending on the appliance type; consult the relevant chapter for the
correct lengths.
Important
When using bends, the maximum chimney length (L) must be
shortened according to the reduction table.
For adaptation to another diameter use approved transitions
Room-ventilated model (B
With a room-ventilated version, the air supply opening stays open; only the
flue gas outlet opening is connected. This will ensure that the boiler
obtains the necessary combustion air directly from the installation area.
Caution
The air supply opening must stay open.
The installation area must be equipped with the necessary air
supply openings. These openings must not be obstructed or
shut off.
If the boiler, in room-ventilated operation, has been set up in a
(very) dusty room, use the air supply filter (accessory).
Use of the air inlet filter is compulsory when the boiler is
exposed to building dust.
L Length of the flue gas outlet channel to roof feed-through
Flue gas outlet
Tab.20
Maximum length for open design
C 330 ECO
280
350
430
500
570
650
(1) Calculated with rigid tube and discharge without cover ( "free" opening)
d
(min-max)
1
249 - 251 mm
349 - 351 mm
, B
23
23P
Maximum length L (in metres)
Ø 150 mm Ø 180 mm Ø 200 mm Ø 250 mm
20
50
11
30
8
22
7
18
5
13
5
12
6 Installation
)
(1)
50
50
50
50
39
50
32
50
24
50
21
50
33
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