Viessmann Vitocrossal 200 Service Instructions For Contractors page 2

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 intended exclusively 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.
The system must be commissioned by the system
■
installer or a qualified person authorised by the
installer.
■ This appliance has not been designed to be oper-
ated by individuals (including children) with limited
physical, sensory or mental capacities or who are
lacking in the appropriate experience and/or knowl-
edge, unless they are supervised by a person with
responsibility for their safety or were instructed by
that person in the operation of this appliance.
!
Please note
Children should be supervised.
Ensure that children never play with the appli-
ance.
Regulations
Observe the following when working on this system:
■ Statutory regulations regarding the prevention of
accidents
■ Statutory regulations regarding environmental pro-
tection
Codes of practice of the relevant trade associations.
■
All current safety regulations as defined by DIN, EN,
■
DVGW, TRGI, TRF, VDE and all locally applicable
standards.
ÖNORM, EN, ÖVGW-TR Gas, ÖVGW-TRF and
a
ÖVE
SEV, SUVA, SVGW, SVTI, SWKI, VKF and
c
EKAS Directive 1942: LPG, part 2
2
If you smell gas
Danger
Escaping gas can lead to explosions which may
result in serious injury.
■ Do not smoke. Prevent naked flames and
sparks. Do not press any switches for lights or
electrical appliances.
Close the gas shut-off valve.
■
Open windows and doors.
■
■ Remove all people from the danger zone.
■ Notify your gas or electricity supply utility 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-threatening poisoning.
Shut down the heating system.
■
■ Ventilate boiler room.
■ Close all doors in the living space.
Working on the system
■ Where gas is used as the fuel, close the main gas
shut-off valve and safeguard it against unintentional
reopening.
Isolate the system from the power supply (e.g. at the
■
separate fuse or a main switch) and check that it is
de-energised.
■ Safeguard the system against reconnection.
!
Please note
Electronic assemblies can be damaged by elec-
trostatic discharges.
Before beginning work, touch earthed objects,
such as heating or water pipes, to discharge
static loads.
Repair work
!
Please note
Repairing components that fulfil a safety func-
tion can compromise the safe operation of your
system.
Replace faulty components only with original
Viessmann spare parts.