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Safety instructions
Danger
Hot surfaces and fluids can lead to
burns or scalding.
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 pipe-
work.
Wear suitable personal protective
■
equipment.
!
Please note
Electronic assemblies can be dam-
aged by electrostatic discharge.
Prior to commencing any work,
touch earthed objects such as heat-
ing or water pipes to discharge
static loads.
Repair work
!
Please note
Repairing components that fulfil a
safety function can compromise the
safe operation of the system.
Replace faulty components only
with genuine Viessmann spare
parts.
Safety instructions for operating the system
If you smell flue gas
Danger
Flue gas can lead to life threatening
poisoning.
Shut down the heating system.
■
Ventilate the installation site.
■
Close the doors to living spaces to
■
prevent flue gases from spread-
ing.
(cont.)
Auxiliary components, spare and
wearing parts
!
Please note
Spare and wearing parts that have
not been tested together with the
system can compromise its func-
tion. Installing non-authorised com-
ponents and making non-approved
modifications or conversions can
compromise safety and may invalid-
ate our warranty.
For replacements, use only original
spare parts supplied or approved by
Viessmann.
What to do if water escapes from the
appliance
Danger
If water escapes from the appliance
there is a risk of electric shock.
Switch off the heating system at the
external isolator (e.g. fuse box,
domestic distribution board).
Danger
If water escapes from the appliance
there is a risk of scalding.
Never touch hot heating water.
Safety instructions
3
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