Quick Reference To Display - Honeywell RTH221 Manual Del Usuario

Quick reference to display

Setpoint indicator
Appears when the setpoint
temperature is displayed.
Clock
Schedule period
System status
• Cool On: Cooling is activated. *
• Heat On: Heating is activated. *
* When Heat On or Cool On is flashing, compressor protection is engaged (see page 14).
Temporary schedule override
(see page 12)
5
Programmable Thermostat RTH221
Low-battery warning
(see page 15)
Permanent schedule override
(see page 13)
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.