Installation manual

66
Changing the clock forwards and backwards
This is handled automatically, however, if the manual
changeover has been selected (User Advanced
Programming step 3 on page 67) follow the instructions
below.
To change from Summer to Winter (clocks back) With
clock display showing, press and hold - button until time
moves back.
To change from Winter to summer (clocks forward)
With clock display showing, press and hold + button
until time moves forward.
Press ‡ and + together to toggle between 12 and 24
hour
To change time display between 12 hour and 24
a) A constant temperature of between 5-30°C can be
selected if required. This can provide frost protection
for periods away from home, it can also be used to
provide untimed higher temperatures if, for
example, a family member is sick.
b) Press ‡ & ˆ together to enter thermostat mode.
The default setting is 5°C, but this can be
reprogrammed, see User Advanced Programming,
step 10, (page 67).
c) A frost protection symbol (snowflake in
a shield) will appear in the display
when the selected temperature is
equal to or less than the programmed
frost protection setting.
d) Use the ‡ & ˆ buttons to change the temperature
away from the programmed frost protection
temperature to another value.
e) To return to automatic programming press both ‡ &
ˆ together
Thermostat mode
Press ˆ and - together to toggle between °C and ° F
temperature scaling.
To change between °C and ° F scaling
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 first be set up in User Advanced Programming,
step 10, (page 67). To locally override this feature
press both ‡ & ˆ together.
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 ‡ or ˆ buttons.
To enable this feature, please refer to User Advanced
Programming, step 11, (page 68).
When this function is active, the set temperature will
flash on the display and an hourglass symbol will be
displayed.
Programmable room stat