Viessmann VITOTRONIC 100 GC1 Installation And Service Instructions Manual page 3

Safety, Installation and Warranty Requirement
Safety Terminology
Take note of all symbols and notations intended to draw attention to potential hazards or important product information.
These include "WARNING", "CAUTION", and "IMPORTANT". See below.
DANGER
Indicates an imminently hazardous
situation which, if not avoided, will
result in death, serious injury or
substantial product / property damage.
WARNING
Indicates an imminently hazardous
situation which, if not avoided, could
result in death, serious injury or
substantial product / property damage.
CAUTION
Indicates an imminently hazardous
situation which, if not avoided, may
result in minor injury or product /
property damage.
IMPORTANT
Helpful hints for installation, operation
or maintenance which pertain to the
product.
General information
(continued)
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