Gas Connection - Viessmann VITOPEND 200 Installation And Service Instructions Manual

Gas connection

A Gas shut‐off valve
1. Install a gas shut‐off valve A.
Conversion to other gas
types:
Conversion kit installation
instructions
Notes regarding the operation
with LPG
For the installation of boilers below
ground level, we recommend the
installation of an external safety
solenoid valve in conjunction with
the internal extension H1 (part no.
7179 057).
Installation steps
2. Carry out a gas soundness test.
!
Please note
Excessive test pressure
may damage the boiler and
gas valve.
Max. test pressure
150 mbar. If a higher pres-
sure is required for leak
tests, separate the boiler
and the gas train from the
mains gas supply pipe (undo
the compression fitting).
3. Ventilate the gas supply pipe.
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