Honeywell Y9120W Sundial RF2 Pack 4, User Manual

13

OPERATING YOUR  ST9120C

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™ Displa

y will display the message ‘+ 1 HOUR’, to confirm the button has 

been pressed. 

When the system is 

OFF

 (the 

 symbol is not displayed), pressing the 

EXTRA 

HOUR

 button switches the system 

ON

 for just one hour.

When the system is 

ON

 (the 

 symbol is displayed), pressing the 

EXTRA HOUR

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.

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     or   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   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 

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.