29
U
ser Instruc
tions
GB
Remote override into and out of thermostat mode
Selected models are available with a feature which allows a telephone
activated switch or window contacts to step the unit into or out of
thermostat mode.
The required temperature to be maintained when the building is
unoccupied, or when windows are open, must fi rst be set up in User
Advanced Programming
, step 10, (page 34).
To locally override this feature press either both
Λ
and
V
together, or
press the
MODE
button.
Delay start feature
Your thermostat includes an optional delay start feature to hold off the
Heating for a time on mild days when the room temperature at the
start of an event is close to the programmed value. If you have enabled
this function it can be overridden by pressing either
Λ
or
V
buttons.
To enable this feature, please refer to
User Advanced Programming
,
step 11, (page 35).
When this function is active, the set temperature will fl ash on the
display and an hourglass symbol will be displayed.
Optimum start control (OSC)
Your thermostat includes an optional optimum start control. This feature
allows you to set the time at which you require a room temperature by.
The thermostat then calculates how soon before the event time the
system must be turned up to ensure that the room is at the temperature
by the required time. A full description of this and how to enable it and
set it up is given in
User Advanced Programming
, steps 12 & 13, (page
36). When this function is active, the set temperature will fl ash on the
display
