Viessmann Vitodens 100 Installation And Service Instructions Manual page 57

Routine Servicing Instructions
4. Press down the front panel at the
bottom.
Start-up the boiler
1. Open gas shut-off valve and switch
on mains voltage.
Checking all gas equipment for soundness at operating pres-
sure
Danger
Escaping gas leads to a risk of
explosion.
Check gas equipment for
soundness.
Final checks
1. Check that the flue terminal is in
good condition and clear of any
obstructions.
(cont.)
5. Insert the screw at the top of the
boiler.
Note
The outer case forms a seal with
the combustion box. It must there-
fore be securely fitted with the
screw provided.
2. Check the operation of the appli-
ance.
2. Return all appliance and external
controls (if fitted) to their original
settings.
Service Instructions
57