Immergas HERCULES Condensing 26 2 E Manual page 35

Technical Documentation
Configuration with sealed chamber and fan-
assisted circulation (type C).
Exhaust.
The connection to the flue exhaust pipes takes place using a
flange (2) or a flanged curve to fix to the fitting (4) present on
the upper part of the sealed chamber, placing a shaped gasket
between them (1).
The flange differs according whether the divided or concentric
system is used.
In the first case the passage for intake of the combustion agent
air (5) is closed while in the second case it is made use of.
Intake.
Using the divided system, connection to the intake pipes takes
place in the same way as the exhaust pipes, being connected
to the hole with diameter of 80 mm (3) present in the upper
part of the sealed chamber.
If co-axial pipes are used, intake takes place by making use of
the concentric hole outside of the exhaust fitting (5).
Intake and exhaust kit.
The kits with relative accessories allow the use of two concen-
tric systems, one divided system and three specific systems for
ducting (Ø 60 rigid, Ø 80 rigid or Ø 80 flexible).
For that regarding the head losses relative to each accessory,
for the various combinations that can be performed, see the
instructions relative to the intake and exhaust terminals
(see boiler instruction book).
Coupling between the various accessories (bends, extensions,
terminals) is the push-fitting type and sealing is assured by
relevant silicon lip seals gaskets in EPDM peroxide resistant
to the action of the condensate.
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Technical Documentation
60/100 push-fitting horizontal concentric kit.
The exhaust pipe in PPS (Ø 60 mm) is inserted inside the
aluminium exhaust pipe (Ø 100 mm).
Connection to the boiler takes place using a 90º bend (2),
which can be turned in all directions and by using necessary
extensions can be connected to the relevant intake and exhaust
terminal (3).
The maximum total length allowed beyond the first bend (2)
is 12.9 straight horizontal metres.
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60/100 push-fitting vertical concentric kit.
The exhaust pipe in PPS (Ø 60 mm) is inserted inside the
aluminium exhaust pipe (Ø 100 mm).
Connection to the boiler takes place with a 60/100 concentric
flange (2) which, by means of the necessary extensions, is con-
nected to the relevant 60/100 intake and exhaust terminal with
aluminium tile (4).
The maximum length allowed is 14.4 straight vertical me-
tres.
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HERCULES Condensing Export