Honeywell RTH8500 Owner's Manual - Page 10
System setting - installation manual
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Operating Manual System setting WED 70 FAN Inside AUTO SYSTEM HEAT 6:01 AM 70 Set To Following Schedule SCHED HOLD CLOCK SCREEN MORE Note: The Auto and Em Heat system settings may not appear, depending on how your thermostat was installed. 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.
Operating Manual
8
SCHED
HOLD
CLOCK
SCREEN
MORE
WED
AM
Following
Schedule
Inside
Set To
70
6:01
70
FAN
AUTO
SYSTEM
HEAT
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.
System setting
Note:
The Auto and Em Heat
system settings may not
appear, depending on how
your thermostat was installed.