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Safety instructions
Please follow these safety instructions closely to prevent accidents and
material losses.
Safety regulations
Installation, initial start-up, inspection,
maintenance and repairs must only
be carried out by a competent person
(heating engineer/installation
contractor).
Observe all current safety regulations
as defined by DIN, EN, DVGW, TRGI,
TRF and VDE or locally applicable
standards.
See also the safety instructions sheet
in the Vitotec technical documentation
folder.
Before working on the equipment/
heating system, isolate the mains
electrical supply (e.g. by removing a
separate mains fuse or by means of
a mains electrical isolator) and
safeguard against unauthorised
reconnection.
2
When using gas as fuel, also close
the main shut-off valve and safeguard
against unauthorised re-opening.
Work on gas equipment
This must only be carried out by an
approved contractor.
Please observe all commissioning
work for gas installations specified
acc. to TRGI or TRF , or local
regulations.
¨ 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.
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