Viessmann VITODENS 100-W Manual page 51

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Montageablauf
Commissioning and testing
(Fortsetzung)
Explain the function of the boiler
safety controls and how to reset
them. Emphasise that if cut-out per-
sists, the boiler should be turned off
and the installer or service engineer
consulted.
Stress the importance of an annual
service by a registered heating
engineer.
51

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