Viessmann Vitotrol 350-C, Operating Instructions Manual

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6
Symbol Meaning
Reference to other document containing
further information
1.
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 Vitotrol control unit, some terminology is
explained.
In the operating instructions these points are identified
as follows:
Further information can be found in chapter
"Terminology" in the appendix.
Intended use
The appliance is intended solely for installation and
operation in sealed unvented heating systems that
comply with EN 12828, with due attention paid to the
associated installation, service and operating instruc-
tions. Depending on the version, the appliance can only be
used for the following purposes:
■ Central heating
■ DHW heating
The range of functions can be extended with additional
components and accessories.
Introductory information
Symbols
5778 774 GB