2
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 intended for quali-
fied contractors.
■
Work on gas installations may only be carried out by
a registered gas fitter.
■
Work on electrical equipment may 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 to be observed
■
National installation regulations
■
Statutory regulations for the prevention of accidents
■
Statutory regulations for environmental protection
■
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
a
ÖNORM, EN, ÖVGW-TR Gas, ÖVGW-TRF and
ÖVE
c
SEV, SUVA, SVGW, SVTI, SWKI, VKF and
EKAS guideline 1942: LPG, part 2
Safety instructions for working on the system
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. 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.
■
Wear suitable personal protective equipment when
carrying out any work.
Danger
Hot surfaces can cause burns.
■
Before maintenance and service work, switch
OFF the appliance and let it cool down.
■
Never touch hot surfaces on the boiler, burner,
flue system or pipework.
!
Please note
Electronic assemblies can be damaged by elec-
trostatic discharge.
Prior to commencing work, touch earthed
objects such as heating or water pipes to dis-
charge static loads.
Repair work
!
Please note
Repairing components that fulfil a safety func-
tion can compromise the safe operation of the
system.
Replace faulty components only with genuine
Viessmann spare parts.
Auxiliary components, spare and wearing parts
!
Please note
Spare and wearing parts that have not been tes-
ted together with the system can compromise its
function. Installing non-authorised components
and making non-approved modifications or con-
versions can compromise safety and may inva-
lidate our warranty.
For replacements, use only original spare parts
supplied or approved by Viessmann.
Safety instructions for operating the system
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. Never switch lights or electrical appli-
ances on or off.
■
Close the gas shut-off valve.
■
Open windows and doors.
■
Evacuate any people from the danger zone.
■
Notify your gas or electricity supply utility from
outside the building.
■
Have the power supply to the building shut off
from a safe place (outside the building).
Safety instructions
Safety instructions
5678 044 GB
Summary of Contents for D2RA
Page 113: ...113 Maintenance Checking the Vitotronic 200 H accessories cont 5678 044 GB Maintenance ...
Page 133: ...133 Parts lists Sorption module hydraulics cont 5678 044 GB Components ...
Page 136: ...136 0001 0002 0003 0004 0005 Fig 83 Parts lists Miscellaneous 5678 044 GB Components ...
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