Viessmann Vitodens 100-W Installation And Service Instructions Manual page 16

Installation sequence
Mounting the boiler and making connections
Filling the condensate connection trap with water
Balanced flue connection
A
B
A Flue gas
B Supply air
Connect the balanced flue pipe.
During installation and positioning of
the flue system, observe Building Reg-
ulations Part L and BS 5440.
16
(cont.)
!
Please note
During commissioning, flue gas
may escape from the conden-
sate drain.
Therefore fill the trap with water
before commissioning.
Pour a minimum of 0.3 l of water into
the flue gas connection.
Flue system installation instruc-
tions
!
Please note
When using the Viessmann flue
system, please read the instruc-
tions.
The flue system must be free to
expand and contract. Therefore
no screws are required unless
these are specifically mentioned
in the instructions.
The flue system must be sup-
ported in accordance with the
flue instructions. Different manu-
facturers have different joining
systems.
Do not mix pipes, fittings or join-
ing systems from different man-
ufacturers.