Introductory Information; Intended Use - Viessmann PLC VITOCAL 350-HT PRO Operating Instructions For The System User

Symbols
Symbol Meaning
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 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.

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
■
■ Central cooling
■ DHW heating
The range of functions can be extended with additional
components and accessories.
Intended use presupposes that a fixed installation in
conjunction with permissible, system-specific compo-
nents has been carried out.
Commercial or industrial usage for a purpose other
than central heating/cooling or DHW heating shall be
deemed inappropriate.
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

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