Honeywell RTH111 series User Manual

RTH111
5 69-2603ES—01
M32761
Heat Off Cool Auto On
Fan
Select the system setting
The SYSTEM switch can be set to control
your heating or cooling system, depend-
ing on the season.
• Cool: Cooling system control.
• Off: All systems are off.
• Heat: Heating system control.
Set SYSTEM switch to control the
heating or cooling system.
CAUTION: EQUIPMENT DAMAGE
HAZARD. To prevent possible
compressor damage, do not operate
cooling system when outdoor
temperature is below 50°F (10°C).

Honeywell RTH111 series Specifications

General

Temperature Control	Manual
Stages	1 Heat/1 Cool
Temperature Range	40°F to 90°F (4°C to 32°C)
Backlight	No
Display	Digital
Compatibility	Single-stage heating and cooling systems
Power Source	Battery powered
Voltage	24V
Type	Non-programmable thermostat