Manual Overrides - Horstmann ChannelPlus H27XL Series 2 User Operating Instructions Manual

BOOST FUNCTION - 1 OR 2 HOUR TEMPORARY OVERRIDE
The boost facility will allow the user to either activate a channel which is currently 'OFF' for
either 1 or 2 hours, or to extend a current 'on' period by 1 or 2 hours. To indicate the boost
being activated the 'BOOST' button under the selected channel will stay illuminated for the
duration of the boost/extension period. The display will also indicate the extension to the
time visually on the screen.
Press BOOST button
once for 1 hour of
hot water or central
heating
ADVANCE FUNCTION - BRINGS FORWARD THE NEXT ON OR OFF OPERATION
The advance facility will allow the user to either bring a channel 'ON' which is currently
'OFF' or switch a channel 'OFF' which is currently 'ON'. To indicate the advance feature
being activated the 'ADVANCE' button under the selected channel will stay illuminated
until the next programme switching time, the user display will change to also indicate the
status of the channel and the next switching time.
Press ADVANCE
button once to
move to the next
ON/OFF time
4

Manual Overrides

Press BOOST button

twice for 2 hours of
hot water or central
heating
To cancel the advance
press the ADVANCE button

again. This will return
the unit to its normal
programme
Press BOOST button
a third time to

cancel the period
and return to the
normal programme