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4
Set-up and installation
4.5.2
Connecting a flue gas line
INFORMATION
Before commencing work, the specialist company carrying
out the work must consult the local authority responsible
for building law issues relating to the installation of chim-
ney systems and record this on a form.
Requirements
▪ The flue gas system fulfils the requirements described
in Chap.
4.5.1.
▪ The flue gas system fulfils any other required national or regional
safety requirements.
▪ The GCU compact is installed correctly.
Connection
INFORMATION
We recommend using the associated LAS construction
sets (see
Fig.
4-20). They satisfy all requirements and are
also fitted with special acid-proof seals.
The associated assembly instructions must be observed
for installing the flue gas and supply air holding system
components or their means of attachment.
1
Connect the GCU compact to the flue gas system inside the in-
stallation room
(Fig. 4-1
/
Fig.
Tab.
4-1.
2
Place the type plate of the flue gas duct in the installation room.
Fig. 4-16
Top view of the GCU compact flue gas connection on
the rear with SET H (see
seeTab.
4-1)
A
Front view
RV
Inspection piece
PA
Test adapter
Installation and operating instructions
24
4-2). For dimensions, see
Chap.
4.5.3) - (for dimensions,
Fig. 4-17
Top view of the GCU compact flue gas connection at the
side with SET H (see
seeTab.
4-1)
A
Front view
RV
Inspection piece
PA
Test adapter
INFORMATION
In some cases, the resonance in the flue gas system can
amplify the noise at the mouth of the flue gas duct. The
noise level can be effectively reduced by using a silencer
(DN 80: E8 MSD or DN 110: E11 MSD).
Floor-standing gas condensing boiler with integrated heat storage
Chap.
4.5.3) - (for dimensions,
Gas Combi Unit
008.1543899_02 – 04/2019 – EN
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