OPERATING YOUR ST9100A
Overriding the Operation Without Changing the Programme
In AUTO and ONCE operating modes, the OVERRIDE button switches the system
ON or OFF without altering the programme.
When the indicator lamp is ON, pressing the OVERRIDE button switches the system
OFF until the next programmed ON time.
When the indicator lamp is OFF, pressing the OVERRIDE button switches the
system ON until the next programmed OFF time.
The LoT™ Display will provide you with information about the override.
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 green INDICATOR LAMP is OFF, pressing the EXTRA HOUR button
switches the system ON for just one hour.
When the green INDICATOR LAMP is ON, 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.
