Honeywell RTH3100C Owner's Manual

9
About your new thermostat
Your new Honeywell thermostat has been designed to give you many years of
reliable service and easy-to-use, push-button climate control.
• One-touch temperature controls
• Large, clear backlit display is easy to read, even in the dark
• Switchable fan control (auto or continuous fan)
• Displays both room temperature and temperature setting
• Built-in compressor protection
Thermostat controls
M28327
Digital display
screen
Temperature
adjustment
Press the up or down
buttons until you
reach the desired
temperature.
NOTE: Make sure the
SYSTEM switch is set to
the system you want to
control (Heat or Cool).
Fan Switch is used to
control your fan.
In “Auto” mode, the fan
runs only when the heating
or cooling system is on.
If set to “On,” the fan runs
continuously.
System Switch is used to control your
heating or cooling system.
• Cool: Cooling system control.
• Off: All systems off.
• Heat: Heating system control.
• Em Heat: Emergency & Auxiliary Heat
control. Compressor is locked out.

Honeywell RTH3100C Specifications

Weight and Dimensions

master carton dimensions	7.25 x 19 x 9.25 in.
master carton weight	4.0 lbs
retail package dimensions	7 x 9 x 2.25 in.
unit weight	0.55 lbs