Option 13 - Optimum start control/Delayed start event setting
(Option 11 set to 1 or 2)
The Optimum start or delayed start control can be applied 
to event 1 only or to each event of the day which requires 
a higher temperature than the previous event. Press + until 
Option 13 is displayed, use Λ and V to select required setting 
(only active if Option 11 is set to 1 or 2).
Setting 0 Applies only to  rst event of day. (Factory Setting)
Setting 1 Applies to each event of the day that requires a higher temperature 
compared to previous event.
User Instructions
GB
Overview of installer selectable features which may a ect 
the operation of your thermostat
Temperature range limitation
This allows the installer to programme both upper and lower 
temperature limits. It may limit the upper and lower temperature that 
you are able to set on the thermostat.
Temperature override limitation
This allows the installer to limit the number of degrees that you can 
override the programmed temperature by, it also allows the installer 
to set rules regarding how long a temperature override will remain in 
place. 
Keyboard lock
This allows the installer to limit or lock the keyboard to prevent 
unauthorised changes to programme values and limits overrides.