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
S S Y Y S S T T E E M M
• 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
button to select: