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 author-
ised contractors.
■
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 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 relevant safety regulations as defined by DIN, EN,
DVGW, VDE and locally applicable standards
a
ÖNORM, EN and ÖVE
c
SEV, SUVA, SVTI and SWKI
Safety instructions for working on the system
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.
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
Safety instructions
5686 293 GB
Содержание J3HA
Страница 10: ...10 2x 1 2 4 3 Fig 2 Installation sequence Mounting the boiler and making connections 5686 293 GB Installation ...
Страница 21: ...21 2 3 2x 1 Fig 14 Installation sequence Fitting the front panel 5686 293 GB Installation ...
Страница 78: ...78 Troubleshooting Maintenance cont 5686 293 GB Diagnosis ...
Страница 90: ...90 0004 0006 0005 0003 0001 0002 Fig 51 Parts lists Miscellaneous assembly 5686 293 GB Components ...
Страница 114: ...114 5686 293 GB ...
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