Quick reference to display screen
Setpoint indicator
Appears when the
setpoint temperature
is displayed.
Current day/time
(see page 6)
Current program period
Wake/Leave/Return/Sleep
(see pages 9-10)
System status
Cool on: Cooling system is on.
Heat on: Heating system is on.
When Cool On is flashing, compressor protection is engaged (see page 15).
6 : 30
Set
am
We
Wake
5
Lo
Batt
75
Heat
On
M32701
RTH2300/RTH221
Low battery warning
(see page 16)
Temperature
The ambient (measured)
temperature is normally
displayed. To view the
setpoint temperature,
press the Up or Down
button once. The setpoint
temperature will appear for
five seconds.
69-2727ES—01