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Technical Documentation
Technical Documentation
Sealed chamber fan-assisted
configuration (type C).
Exhaust.
Connection to the exhaust pipes is by means of a
flange (1) or a flanged bend to be fitted on the centre
hole (6) on the top section of the sealed chamber,
placing in between a special shaped seal (5).
This flange differs according to whether the doubled
or concentric system is used.
In the former case, the duct for the combustion air (8)
is closed, while in the latter case it is used.
To ensure correct boiler operation, a diaphragm (7)
will have to be fitted on the exhaust pipe (6) between
the flange used (1).
Diaphragms are envisaged of different diameter which
must be fitted according to the type of duct and its
length (see CAESAR Star instruction booklet).
Extraction.
Using the doubled system, connection to the extraction
ducts is done in the same way as for the exhaust pipes,
linking up to one of the two holes with diameter 80 mm
(2) on the top section of the sealed chamber.
The hole which is not used is closed using one of the
caps (3), placing in between the relevant seal (4) fea-
tured on the appliance.
If coaxial pipes are used, extraction is done by ex-
ploiting the concentric hole outside the exhaust pipe
(8).
Extraction and Exhaust Kits.
The kits with the relevant accessories make it possible
to use two concentric systems and a doubled
system.As regards flow resistance relating to each
accessory, the various possible combinations and use
of the diaphragms to be installed according to the
length of the ducts, see the instructions relating to the
extraction and exhaust ends (CAESAR Star
instruction booklet).
The accessories (bends, extensions and end pieces)
are connected by means of slot-in couplings and seal
is ensured by means of silicone-lip seals.
Horizontal concentric slot-in kit Ø 60/100.
The exhaust pipe (Ø 60 mm) is fitted inside the
extraction pipe (Ø 100 mm).
Connection to the boiler is by means of a 90° (2) fully
adjustable bend which, by means of the necessary ex-
tensions, must be connected to the extraction and ex-
haust end piece (3).
The maximum overall length allowed beyond the first
bend (2) is 3 straight horizontal metres.
STCS ed 07/02
10
CAESAR Star
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