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elco THISION L PLUS - Collective Flue Gas Outlet

elco THISION L PLUS
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38
Installation
Connections
Air- / ue gas ducts - installation variants for multiple boilers
Optingforacollectiveuegasoutlet
is determined by:
- The position of the boilers with
regard to their outlet area
- Su󰀩cientspaceabovetheboilers
- Large number of boilers
You may opt for:
- Collectiveuegasoutlet
under-pressure
- Collectiveuegasoutlet
over-pressure
Inmanysituations,uegasescannot
be vented individually because the
installation is indoors. For such
situations, we recommend collective
venting by means of under-pressure or
over-pressureusingauegasoutlet
system. The air supply may also be
supplied collectively, but if the boiler
room is suitable for that purpose it may
also be obtained from this area (`open
device` Boiler category B).
If you install a common duct providing
combustion air to more than one
appliance, there is a risk that
combustion air would be drawn from an
adjacent appliance.
This may then be subject to a
negative pressure.
In the case of collective venting
of ue gases, the ue gas-venting
outlet always has to end up in the
open area (outlet area 1).
ELCOcansupplyacollectiveuegas
outlet system for the ELCO THISION L
PLUS. Refer to the following chapters
with regard to the various possibilities
and maximum pipe lengths that can
be used.
0,2 x 2 x B
Boiler category: B
Outlet area 1
(free outlet area)
Boiler category: C
Permitted only when the air
intake and the ue gas
outlet are in the same
pressure area

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