Honeywell RTH2510 Series Operating Instructions

RTH2510/RTH2410
19 69-2601ES—01
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank
• Makesurefurnacedoorisclosedsecurely.
• MakesurefreshAAAalkalinebatteriesarecorrectlyinstalled(see
page 17).
Heating or
cooling system
does not respond
• SetsystemswitchtoHeat (see page 7). Make sure the temperature is
set higher than the Inside temperature.
• SetsystemswitchtoCool (see page 7). Make sure the temperature is
set lower than the Inside temperature.
• Wait5minutesforthesystemtorespond.
In case of difficulty

Honeywell RTH2510 Series Specifications

General

Display Type	Digital
Programmable	Yes
Power Source	Battery
Battery Type	AA Alkaline
Number of Batteries	2
Temperature Control	Digital
Compatibility	Single Stage Heating and Cooling Systems
Stages	1 Heat/1 Cool
Voltage	24V
Temperature Range	40°F to 90°F (4°C to 32°C)
Programming Options	7-Day, 5-2 Day
Display	Backlit
Weight	0.5 lbs (227 g)