Viessmann VITODENS 050-W Installation And Service Instructions Manual page 21

Mounting the boiler and making connections
Filling the trap with water
Balanced flue connection
Connecting several Vitodens 050-W
to a shared flue system
Adjust the burner settings of each con-
nected boiler to match the flue system.
See page 33.
Do not carry out commissioning until
the following conditions are met:
■ Free passage through the flue gas
pipes.
■ Flue system with positive pressure is
gas-tight.
■ Inspection port covers checked for
secure and tight seating.
Installation sequence
(cont.)
Pour at least 0.3 l of water into the flue
gas connection.
!
Please note
During commissioning, flue gas
may escape from the conden-
sate drain.
Always fill the trap with water
before commissioning.
Connect the balanced flue pipe.
During installation and positioning of
the flue system, observe Part J of the
Building Regulations and BS 5440.
Flue system installation instruc-
tions
■ Apertures for ensuring sufficient com-
bustion air supply are open and can-
not be closed off.
■ Applicable regulations on installing
and commissioning flue systems
have been followed.
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