Quick reference to screen display
Flashes during
Countdown mode
Automatic mode (see page 8)
Manual mode (see page 9)
Away mode (see page 10)
Heating intensity indicator
(No icon appears when
heating is off.)
Countdown mode (see page 11)
Time
Day
Periods (see page 12)
Ambient temperature
3
TH404
Setpoint temperature
(see page 2)