48
5790 733 - 07
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
CA3 Model
2.5
3.0
3.5
4.5
5.0
6.0
in.
(mm)
10
(256)
12
(306.8)
16
(408.4)
Internal diameter boiler-flue collar
Connecting Flue Gas Pipe
Installation
Legend
A
Flue vent collar coupling (supplied with boiler)
IMPORTANT
1. Fully insert flue gas adapter inside the flue outlet
(if used with stainless steel piping).
Ensure that the venting system is fully inserted into the
flue gas collector. Once installed, verify that the vent and
the vent pipe coupling connections are free of leaks by
using a certified leak detector.
Note:
Connect the flue outlet with the flue pipe
via the shortest possible run, with slight rise
(min 2-3°). Avoid sharp bends.
2. Connect flue system. Size: 10 in. (250 mm) for
models 2.5 and 3.0, 12 in. (300 mm) for models 3.5
and 4.0, 16 in. (400 mm) for models 5.0 and 6.0.
Note:
Support all venting components; make all
connections free of load and torque stresses.
The venting system must be securely supported
by an anchoring system as outlined by the
venting manufacturer.
The boiler flue gas collector vent is not designed to
support the weight of the venting system.
Note:
The flue gas collector outlet is designed to accept
most vent manufactures venting systems directly
(refer to the dimensions above). A flue gas adaptor
may be required and is not included with the boiler.
If required the adaptor must be supplied by the
venting manufacturer.
Connect flue gas collector with the flue gas pipe using the
shortest possible route. Avoid sharp bends.
IMPORTANT
IMPORTANT
