Gas Connection - Viessmann VITODENS 222-F Installation And Service Instructions Manual

Compact gas condensing boiler 4.8 to 35 kw natural gas and lpg version gc no 47-819-15 (19kw); 47-819-16 (26kw); 47-819-17 (35kw)
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Installation sequence
Installing the boiler
(cont.)
DHW circulation connection
DHW circulation connection with
DHW circulation pump connection
set (accessory)
Separate installation instructions

Gas connection

Notes regarding operation with LPG.
2. Carry out a leak/tightness test.
We recommend the installation of an
external safety solenoid valve when
installing the boiler in rooms below
ground level.
1. Secure gas shut-off valve A at the
gas connection.
13

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This manual is also suitable for:

Vitodens 222-f fs2a

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