9
Symbol Meaning
Reference to other document containing
further information
Step in a diagram:
The numbers correspond to the order in
which the steps are carried out.
Warning of material losses and environ-
mental 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 sur-
face.
Dispose of component correctly.
Dispose of component at a suitable collec-
tion point. Do not dispose of component in
domestic waste.
Terminology
To provide you with a better understanding of the func-
tions of your Vitotronic control unit, some terminology
is explained. This information can be found in chapter
"Terminology" in the Appendix.
Intended use
The device is intended to control only Viessmann
medium sized and industrial/commercial boilers with oil
or gas burners, in line with the intended use of those
appliances. Observe the relevant installation, service
and operating instructions.
Any usage beyond this must be approved by the man-
ufacturer in each individual case.
Incorrect usage or operation of the appliance (e.g. the
appliance being opened by the system user) is prohibi-
ted and will result in an exclusion of liability. Incorrect
usage also occurs if the components in the heating
system are modified from their intended function.
Introductory information
Symbols
5863758
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