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Safety instructions
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 recon-
nection.
■ Wear suitable personal protective
equipment when carrying out any
work.
Danger
Hot surfaces and fluids can lead
to burns or scalding.
■ Before maintenance and serv-
ice work, switch off the appli-
ance and let it cool down.
■ Do not touch hot surfaces on
the appliance, fittings or pipe-
work.
Repair work
!
Please note
Repairing components that fulfil
a safety function can compro-
mise the safe operation of the
system.
Disposal of packaging
Please dispose of packaging waste in
line with statutory regulations.
2
(cont.)
!
Please note
Electronic assemblies can be
damaged by electrostatic dis-
charge.
Prior to commencing work,
touch earthed objects such as
heating or water pipes to dis-
charge static loads.
Replace faulty components only
with genuine Viessmann spare
parts.
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