About Your New Thermostat Controls And Home Screen Quick Reference; Display Screen - Honeywell RTH7400 series Owner's Manual

Thermostat controls
System & Fan
Press to select fan
operation or system.

Display screen

Current inside
temperature
Day of week
Smart
Response
®
Technology
in effect (see
page 18)
Press the SYSTEM & FAN button, then press...
...SYSTEM to select:
Heat: Heating system control.
Cool: Cooling system control.
Auto: Thermostat automatically selects heating or
cooling depending on the indoor temperature.
Off: All systems off.
Em Heat: Emergency & Auxiliary Heat control.
Compressor is locked out. (Select models only.)
M28426
Current time
Mon
75
6 : 01
Recovery
System
Fan Auto
Cool
System & Fan Schedule
Arrow buttons
Press the up or down buttons to
adjust temperature or to make
selections from screen menus.
Clock & More
Press to set clock or furnace filter
reminder.
Schedule
Press to set program schedule (see
pages 14–16).
Temperature setting
System Status
Set to
Cool On: Cooling system
75
is on.
AM
Heat On: Heating system
Heat On
is on.
Aux Heat On: Auxiliary
heating system is activated
Clock & Mode
(heat pump systems only)
M28078A
...FAN to select:
Auto: Fan runs only when heating
or cooling system is on.
On: Fan runs continuously.
Press DONE to exit and save
settings.
13