Safety Instructions - Viessmann VITODENS 200-W Service Instructions Manual

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.
Note
Details identified by the word "Note"
contain additional information.
Target group
These instructions are exclusively
designed for qualified personnel.
Work on gas equipment must only
be carried out by a qualified gas fit-
ter.
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
all legal instructions regarding the
prevention of accidents,
all legal instructions regarding
environmental protection,
2
the Code of Practice of relevant
trade associations,
all current safety regulations as
defined by DIN, EN, DVGW, TRGI,
TRF, VDE and all locally applicable
standards.
If you smell gas
Danger
Escaping gas can lead to
explosions which may result in
serious injury.
Never smoke. Prevent naked
flames and sparks. Never
switch lights or electrical
appliances ON or OFF.
Close the gas shut-off valve.
Open windows and doors.
Remove all people from the
danger zone.
Notify your gas or electricity
supplier from outside the
building.
Shut off the electricity supply
to the building from a safe
place (outside the building).
If you smell flue gas
Danger
Flue gas can lead to life-threa-
tening poisoning.
Shut down the heating sys-
tem.
Ventilate the boiler room.
Close all doors leading to the
living space.