Safety Instructions - Viessmann Vitocrossal 300 Installation Instructions Manual

Safety instructions

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 gas installations must only be carried out by
a registered gas fitter.
Work on electrical equipment must only be carried
■
out by a qualified electrician.
Regulations
Observe the following when working on this system:
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, TRGI, TRF, VDE [and all local standards].
ÖNORM, EN, ÖVGW-TR Gas, ÖVGW-TRF and
a
ÖVE
SEV, SUVA, SVGW, SVTI, SWKI, VKF and
c
EKAS guideline 1942: LPG, part 2
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.
■ Where gas is used as the fuel, close the main gas
shut-off valve and safeguard it against unintentional
reopening.
2