System Setting - Honeywell RTH8500 Operating Manual

Operating Manual

System setting

WED
FAN 70
Inside
AUTO
SYSTEM
HEAT
6:01
AM
SCHED HOLD CLOCK SCREEN
Note: The Auto and Em Heat
system settings may not
appear, depending on how
your thermostat was installed.
70
Set To
Following
Schedule
MORE
Press the SYSTEM button to select, then press
DONE.
• 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: Heating and cooling systems are off.
• Em Heat (only for heat pumps with
auxiliary heat): Thermostat controls
Emergency and Auxiliary Heat.
Compressor is locked out.
8