Operation Manual

Programmable Thermostat RTH2510
5
Quick reference to display
* When Heat On or Cool On is flashing, compressor protection is engaged (see page 14).
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.
System status
Cool On: Cooling is activated. *
Heat On: Heating is activated. *
Aux On: Auxiliary heat is activated.
Low-battery warning
(see page 15)
Setpoint indicator
Appears when the setpoint
temperature is displayed.
Clock
Schedule period
Permanent schedule override
(see page 13)
Temporary schedule override
(see page 12)
69-2381ES-01 (RTH2510 7-day OM) ENG USA.fm Page 5 Tuesday, October 20, 2009 11:18 AM