Symbols - Viessmann Vitotrol 100 OT Installation And Service Instructions Manual

Information

Symbols

Sym- Meaning
bol
Reference to other document
containing further information
Step in a diagram:
1.
The numbers correspond to
the order in which the steps
are carried out.
Warning of material losses and
environmental pollution
Live electrical area
Pay particular attention.
■ Component must audibly
click into place.
or
■ Acoustic signal
■ Fit new component.
or
■ In conjunction with a tool:
Clean the surface.
Dispose of component correct-
ly.
Dispose of component at a
suitable collection point. Do
not dispose of component in
domestic waste.
8