Viessmann Vitopend 100-W Installation And Service Instructions Manual page 11

Symbols
Sym- Meaning
bol
Reference to another docu-
ment containing further infor-
mation
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
■ Using a tool: Clean the sur-
face.
Dispose of component correct-
ly.
Dispose of component at a
suitable collection point. Do
not dispose of component in
domestic waste.
The sequences of steps for commis-
sioning, inspection and maintenance
are summarised in the section "Com-
missioning, inspection and mainte-
nance" and are identified as follows:
Sym- Meaning
bol
Steps required during commis-
sioning
Not required during commis-
sioning
Steps required during inspec-
tion
Not required during inspection
Steps required during mainte-
nance
Not required during mainte-
nance
Information
11