Honeywell RTH8500D Owner's Manual - Page 40

Caution

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Set System Setting Set System Setting Press the System button to select Heat, Off or Cool: Heat-Thermostat controls the heating system. Off-Both the heating and cooling systems are off. Cool-Thermostat controls the cooling system. Em. Heat (Heat Pump Systems with Auxiliary Heat)- Thermostat controls emergency heat and auxiliary heat, if needed. Heat Pump compressor is not operational. CAUTION Equipment Damage Hazard. Air conditioning compressor damage possible. Do not operate cooling system when outdoor temperature is below 50 °F (10 °C). FAN AUTO Inside SYSTEM HEAT THU Set To Following Schedule AM SCHED HOLD CLOCK SCREEN M19962 69-1725-1 40

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69-1725-1
40
Set System Setting
Set System Setting
Press the System button to select Heat, Off or Cool:
Heat
±Thermostat controls the heating system.
Off
±Both the heating and cooling systems are off.
Cool
±Thermostat controls the cooling system.
Em. Heat
(Heat Pump Systems with Auxiliary Heat)±
Thermostat controls emergency heat and auxiliary heat, if
needed. Heat Pump compressor is not operational.
CAUTION
Equipment Damage Hazard.
Air conditioning compressor damage possible.
Do not operate cooling system when outdoor temperature is
below 50 ´F (10 ´C).
SCHED
HOLD
CLOCK
SCREEN
THU
AM
FAN
AUTO
SYSTEM
HEAT
Following
Schedule
Inside
Set To
M19962