Ariston Genus 27 Plus User Manual - Page 11

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FLUE TEST FEATURE

(only for authorised personnel)

The "C" Summer/Winter/Flue Test selector knob can be set to <

> to

bypass temperature adjustment on the heating circuit for the purpose of

analysing the fumes produced by combustion.

To access this mode, open a water tap or taps so that the flow rate is

no less than 8 litres per minute.

Then press the "C" selector knob in and turn it from <

> or <

to the <

UT008Aq

WARNING!

The flue test feature eliminates the slow-light feature.

This mode must only be selected by a qualified service engineer.

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