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Honeywell RTH8500 - Installing your thermostat

Honeywell RTH8500
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Operating Manual
8
System setting
Press the
SSYYSSTTEEMM
button to select:
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.
WED
HEAT
SYSTEM
SCHED HOLD CLOCK SCREEN MORE
AUTO
FAN
Inside
70
Set To
Following
Schedule
70
AM
6:01
Note: The Auto and Em Heat
system settings may not appear,
depending on how your
thermostat was installed.

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