Safety Instructions - Viessmann VITOTRONIC 300 Installation And Service Instructions Manual

Safety instructions

Please follow these safety instructions closely to prevent accidents and
material losses.
Safety regulations
2
Work on gas equipment
Repair work
Initial start-up
Instructing the system user
¨ Safety instruction
In this instruction manual, this
heading denotes information which
must be observed to prevent
accidents and material losses.
¨ This symbol denotes information
which must be observed to
prevent material losses.