2
Please follow these safety instructions closely to
prevent accidents and material losses.
Safety instructions explained
!
Please note
This symbol warns against the risk of material
losses and environmental pollution.
Note
Details identified by the word "Note" contain additional
information.
Target group
These instructions are exclusively intended for quali-
fied contractors.
■
Work on electrical equipment must only be carried
out by a qualified electrician.
■
The system must be commissioned by the system
installer or a qualified person authorised by the
installer.
Regulations
Observe the following when working on this system:
■
National installation regulations
■
Statutory regulations regarding the prevention of
accidents
■
Statutory regulations regarding environmental pro-
tection
■
The Code of Practice of relevant trade associations
■
All current safety regulations as defined by DIN, EN,
DVGW, VDE and all locally applicable standards
a
ÖNORM, EN and ÖVE
c
SEV, SUVA, SVTI and SWKI
Working on the system
■
Isolate the system from the power supply (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 reconnection.
!
Please note
Electronic assemblies can be damaged by elec-
trostatic discharge.
Prior to commencing any work, touch earthed
objects such as heating or water pipes to dis-
charge static loads.
Repair work
!
Please note
Repairing components that fulfil a safety func-
tion can compromise the safe operation of your
system.
Replace faulty components with genuine
Viessmann spare parts.
Auxiliary components, spare and wearing parts
!
Please note
Spare and wearing parts that have not been tes-
ted together with the system can compromise its
function. Installing non-authorised components
and making non-approved modifications or con-
versions can compromise safety and may inva-
lidate our warranty.
For replacements, use only original spare parts
supplied or approved by Viessmann.
Safety instructions
Safety instructions
5549 892 GB
