Please follow these safety instructions closely to prevent accidents and
material losses.
Safety instructions explained
!
Important information
This symbol warns against the
risk of m aterial losses and
environmental pollution.
Note
Details identified by the words "Note"
contain additi onal information .
Safety regulations
Installation, initial start-up, inspection,
maintenanc e and re pairs must be car-
ried out by a competent person
(heating engi neer/installat ion c ontrac-
tor).
Observe all current sa fety regulations
as defined by DIN, EN, DVGW, TRGI,
TRF, VDE or all locally applicable
standards.
See also the "safety instructions" in
the "Vitotec Technical Guide" folder.
Before working on the equipment/
heating sy stem, i solate the mains
electrical supply (e.g. by r emoving a
separate mai ns fus e or b y means of a
mains electrical isolator) and safe-
guard against unauthorised reconnec-
tion.
Close the main gas shut-off valve and
safeguard against unauthorised
reopening .
Electric al ass emblies prov ided on site
must be type-a pproved.
Work on gas equipment
This must only be carried out by an
approved gas fitter.
Observe all commissioning work spe-
cified for gas installations to TRGI or
TRF and all local regulations.
Safety instructions
2
5862 566 GB
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