Viessmann 7441 770, Инструкции по установке и обслуживанию для подрядчиков

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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.
!
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.
Repair work
!
Please note
Repairing components that fulfil
a safety function can compro-
mise the safe operation of the
system.
Replace faulty components only
with genuine Viessmann spare
parts.
Disposal of packaging
Please dispose of packaging waste in
line with statutory regulations.
Safety instructions
(cont.)
5601325