Fitting The Boiler To The Wall Mounting Bracket - Viessmann Vitodens 100-W B1HF Series Installation And Service Instructions Manual

Mounting the boiler and making connections
2. Suspend the Vitodens from the wall mounting
bracket.
Note
After mounting, ensure correct seating.
3. Note
Only remove the locking clip under the gas pipe
union nut once the appliance has been installed.
Clip is no longer required.

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.
(cont.)
4. 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.
5. Tighten locking ring fittings so that they form a tight
seal:
One turn beyond finger-tight.
Installation sequence
17