Honeywell RTH2510 User Manual

4

System switch (see page 7)
• Cool: System is in Cooling mode.
• Off: System is off.
• Heat: System is in Heating mode.

Fan switch (see page 8)
• On: Fan runs continuously.
• Auto: Fan runs only when 

heating or cooling is activated.

Up/Down buttons 
Press to adjust temperature.

Screen
Lit for 12 seconds when
you press any button.

Press to set clock, day or 
schedule (see pages 6 & 11).

Press to override schedule and 
hold temperature (see page 13).

Press to run (follow) schedule 
(see page 9).

69-2381ES-01 (RTH2510 7-day OM) ENG USA.fm  Page 4  Tuesday, October 20, 2009  11:18 AM