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Viessmann VITODENS 333 - Flue Gas Connection; Gas Connection

Viessmann VITODENS 333
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Supplied By www.heating spares.co Tel. 0161 620 6677
Connect the ba lanced flue pi pe. Flue gas system installation
instructions.
Gas connection
A Gas connection
Conversion to other gas
types:
Conversion kit installation
instructions
Information regarding operation
with LPG
We recommend the installation of an
external safety solenoid valve when
installing the boiler in rooms below
ground leve l.
1. Carry out a leak test.
!
Important information
Excessive test pressure
leadstodamagetotheboi-
ler and gas train.
Max. test pressure
150 mbar. If a higher pres-
sure is required fo r leak
tests, separate the boiler
and the gas train from the
mains gas supply (undo fit-
tings).
2. Purg e the gas suppl y pipe.
Flue gas connection
8
5862 566 GB

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