Honeywell Thermostat RTH7400 User Manual download pdf (Page 10)

Operating Manual

69-2222ES—07 8

System setting

Follow steps at left to select system:

• Heat: Thermostat controls only the heating

system.

• Cool: Thermostat controls only the cooling

system.

• Auto: Thermostat automatically selects heating

or cooling depending on the indoor temperature.

• Off: All systems are off.

• Em Heat (only for heat pumps with auxiliary

heat):ThermostatcontrolsEmergencyand

Auxiliary Heat. Compressor is locked out.

Note: The Auto and EmHeat system settings may not

System & Fan Schedule Clock & More

M28081

System Fan Done

System

Heat

Fan Auto

M28083

Press SYSTEM & FAN

Press SYSTEM to select mode,

then press DONE

appear, depending on how your thermostat

was installed.

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