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Safety instructions
Safety instructions
Please follow these safety instructions 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 environmental pollution.
Target group
These instructions are exclusively intended for author-
ised contractors.
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
■
All relevant safety regulations as defined by DIN, EN,
DVGW, VDE and locally applicable standards
ÖNORM, EN and ÖVE
a
SEV, SUVA, SVTI and SWKI
c
Safety instructions for working on the system
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.
Danger
Hot surfaces can cause burns.
Before maintenance and service work, switch
■
OFF the appliance and let it cool down.
■
Never touch hot surfaces on the boiler, burner,
flue system or pipework.
!
Please note
Electronic assemblies can be damaged by elec-
trostatic discharge.
Prior to commencing work, touch earthed
objects such as heating or water pipes, to dis-
charge static loads.
2
Note
Details identified by the word "Note" contain additional
information.
■
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.
Repair work
!
Please note
Repairing components that fulfil a safety func-
tion can compromise the safe operation of the
system.
Replace faulty components only 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.
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