2
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.
Note
Details identified by the word "Note"
contain additional information.
Target group
These instructions are exclusively inten-
ded for qualified contractors.
■
Work on electrical equipment may only
be carried out by a qualified electrician.
■
The system must be commissioned by
the system installer or a qualified per-
son authorised by the installer.
Regulations to be observed
■
National installation regulations
■
Statutory regulations for the prevention
of accidents
■
Statutory regulations for environmental
protection
■
Codes of practice of the relevant trade
associations
■
Relevant country-specific safety regu-
lations
Working on the system
■
Isolate the system from the power sup-
ply (e.g. by removing the separate fuse
or by means of a mains isolator) and
check that it is no longer live.
■
Safeguard the system against recon-
nection.
!
Please note
Electronic assemblies can be dam-
aged by electrostatic discharge.
Prior to commencing any work,
touch earthed objects such as heat-
ing or water pipes to discharge
static loads.
Danger
Hot surfaces can cause burns.
■
Before maintenance and service
work, switch OFF the appliance
and let it cool down.
■
Never touch the hot surfaces of
uninsulated pipes and fittings.
Safety instructions
Safety instructions
6150632
