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2. It will stay in this state until either the ADV button is
pressed again, or until a programmed ON/OFF period
commences. To cancel the advance function, repeat the
above steps.
The +HR Boost Function
The +HR function allows the user to have up to 3 hours of
extra Central Heating or Hot Water, without having to change
the programme.
N.B. The +HR function is only available when the programme
is in AUTO, ALL DAY or OFF operating modes and the
slider must be switched to RUN. If the programmer is in
AUTO or ALL DAY mode when the +HR button is pressed
and the resulting time of the boost overlaps a START/ON
time, the boost will disengage.
To +HR Boost Central Heating
1. Press the Next
button until either the first or second
radiator symbol is displayed (depending on which
heating zone you would like to boost). Press the +HR
button.
2. One press of the button will give one extra hour of
Central Heating; two presses of the button will give two
extra hours; three presses of the button will give the
maximum three extra hours. Pressing it again will switch
off the +HR function.
3. The +1HR, +2HR or +3HR status of each zone will appear
on the right hand side of the first radiator symbol for the
first heating zone, or the second radiator symbol for the
second heating zone.
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