Viessmann Vitosol 200-T 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
!
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 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,
■ the Code of Practice of relevant trade
associations.
■ all current safety regulations as
defined by DIN, EN, DVGW, VDE and
all locally applicable standards
2
Working on the system
■ Isolate the system from the power
supply and check that it is no longer
'live', e.g. by removing a separate fuse
or by means of a main isolator.
■ Safeguard the system against
unauthorised reconnection.
!
Please note
Electronic modules can be
damaged by electrostatic
discharges.
Touch earthed objects, such as
heating or water pipes, to
discharge static loads.
Repair work
!
Please note
Repairing components that fulfil a
safety function can compromise
the safe operation of your heating
system.
Replace faulty components only
with original Viessmann spare
parts.