9 Warranty and extended warranty – Warranty exclusions
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HDG Euro V3.0 with HDG Lambda Control 1 - V 1 - en
©
HDG Bavaria GmbH 06/2008
9.3 Warranty exclusions
Unauthorised modifications and damage due to excessive force are
not covered by the warranty.
The warranty does not cover:
•
Damage due to improper use or installation, nor damage caused
by inadequate maintenance or by the operation of the system and
the HDG Euro in an impermissible way.
•
Damage caused by external influences (such as fire, water,
lightning, excess voltage) and normal wear and tear (e.g. of seals,
etc).
•
Corrosion damage, which is caused by operating the system
below the minimum nominal thermal output level specified by the
manufacturer.
•
Corrosion damage, which results from the use of non-approved
fuels.
•
Corrosion damage, which is caused by operating the system
below the specified minimum boiler return temperature.
•
Damages caused by subjecting the boiler sheeting to extreme
heat, as the result of boiler blockages on the water side.