The Extra Hour Function; The Holiday Function - Honeywell ST9400C User Manual

7 day programmer 2 channel, 3 on/off per day
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OPERATING 'YOUR ST9400C,.
The Extra Hour Function
(for Heating and/or Hot Wafer)
The EXTRA HOUR buttons allow you to switch the heating or hot water ON for up to
3 extra hours without altering the programme. Pressing
e~ther
button once will give
I
one extra hour. The Lo T™ Display will display the message
'+
1 HOUR', to confirm
the button has been pressed.
When the green INDICATOR LAMP is OFF, pressing an EXTRA HOUR button
switches the heating or hot water ON for just one hour.
When the green INDICATOR LAMP is ON, pressing an EXTRA HOUR button
extends the programmed ON period by one hour. ·
Further presses of the EXTRA HOUR buttons will increase the extra hour period by
one hour for each button press, up to a maximum of 3 hours. The LoT™ Display will
continue to provide information on the extra hour status.
To cancel the extra hours, just keep
pr~ssing
the EXTRA HOUR button until the
'CANCELLED' message appears on the· Lo TTM Display.
The Holiday Function
The Holiday function allows you to switch off your heating and hot water for a specified
number of days (from 1-99 days). This lets you save energy and related costs when
you are away from home, but resumes normal operation on the day of your return.
To set the Holiday function:
a.
Ensure the slider is in the RUN positton, then pr.ess the HOLIDAY button once.
The message 'SET HOLIDAY' will appear briefly, fol1owed by 'SET DAYS AWAY'.
b. Use the
E9 •
or
8
buttons to set the number of days you will be away. The display
will show the number of days, and this number will be flashing to indicate it can be
changed. The day of the week will also keep changing to show the day you return.
c. If you have made a change to the number of days, the message 'DAYS AWAY OK?'
will appear. Press the green
tD
button to confirm your selection.
d. The message 'SAVED' will be displayed for a few seconds, followed by the date you
return, to enable you to check you have programmed the holiday function correctly.
e. During the holiday period, the LoTTM Display will show the message 'ON
HOLIDAY' and the display will count down the number of days till you return.
To cancel the Holiday function:
f. To cancel the Holiday function, just press the HOLIDAY button again. The LoT™
Display will show 'CANCELLED' and the unit will return to normal operation.
Note:
while setting the Holiday function, if there is a gap of more than 1 minute
between button presses, the function will cancel· itself automatically and return to
normal operation.

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