Fitting The Boiler To The Wall Mounting Bracket - Viessmann VITODENS 200-W Installation And Service Instructions For Contractors

Installation sequence
Mounting the boiler and making connections
4. Note
Only remove the clip under the gas pipe union nut
once the appliance has been installed. Clip is no
longer required.
5. Tighten union nuts so that they form a tight seal.
Torque settings:
■ Union nuts G : 30 Nm
¾
■ Union nuts G : 24 Nm
½
When carrying out any work on gas connection fit-
tings, counterhold with a suitable tool. Never trans-
fer any forces to the internal components.

Fitting the boiler to the wall mounting bracket

Note
Various installation components can be found in a sep-
arate pack. Keep the installation components safe, as
they will be required for later installation.
16
(cont.)
6. Tighten locking ring fittings so that they form a tight
seal:
One turn beyond finger-tight.