The Extra Hour Function; The Holiday Function - Honeywell Y9120H Sundial RF2 Pack 1 User Manual

The Extra Hour Function

The EXTRA HOUR button allows you to switch the system ON for up to 3 extra hours
without altering the programme. Pressing the button once will give one extra hour.
The LoT™ Display will display the message '+ 1 HOUR', to confirm the button has
been pressed.
When the heating is OFF (the
HOUR button switches the heating ON for just one hour.
When the heating is ON (the
button extends the programmed ON period by one hour.
Further presses of the EXTRA HOUR button 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 pressing the EXTRA HOUR button until the
'CANCELLED' message appears on the LoT™ Display.

The Holiday Function

The Holiday function allows you to switch off your system 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.
During this period heating will operate at the OFF (frost protection) set temperature.
To set the Holiday function:
a. Ensure the slider is in the RUN position, then press the HOLIDAY button once.
The message 'SET HOLIDAY' will appear briefly, followed by 'SET DAYS AWAY'.
b. Use the
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
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 LoT™ 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.
symbol is displayed), pressing the EXTRA HOUR
or buttons to set the number of days you will be away. The display
OPERATING YOUR ST9120C
symbol is not displayed), pressing the EXTRA
button to confirm your selection.
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