Viessmann VITOCAL 350-A Installation And Service Instructions Manual page 2

Safety instructions
Safety instructions
Please follow these safety instruc-
tions closely to prevent accidents
and material losses.
Safety instructions explained
Danger
This symbol warns against the risk
of injury.
!
Please note
This symbol warns against the risk
of material losses and environmen-
tal pollution.
Target group
These instructions are exclusively inten-
ded for authorised contractors.
Regulations to be observed
National installation regulations
■
Statutory regulations for the prevention
■
of accidents
Statutory regulations for environmental
■
protection
2
Note
Details identified by the word "Note"
contain additional information.
Work on the refrigerant circuit may only
■
be carried out by authorised refrigera-
tion engineers.
Work on electrical equipment must
■
only be carried out by a qualified elec-
trician.
The system must be commissioned by
■
the system installer or a qualified per-
son authorised by the installer.
Codes of practice of the relevant trade
■
associations
Relevant country-specific safety regu-
■
lations