25
U
ser Instruc
tions
GB
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
28). When this function is active, the set temperature will fl ash on the
display
Battery replacement (battery models only)
When batteries are low a battery symbol will
appear on the display. You have 15 days to replace
the batteries before the unit shuts down.
When
replacing batteries ensure that only high quality
alkaline cells are use.
IMPORTANT:
After replacing the batteries press and release the RESET
button to restart the unit. All date, time, programming and override
settings are maintained for the life of the product.
User Advanced
Programming Options
Important:
The thermostat has been set in the factory to suit most
situations, however, there are additional optional settings which can
improve the comfort, convenience and energy eff ectiveness of your
thermostat. These are set in the
User Advanced Programming
and
Installer Advanced Programming
modes.
