Setting System Mode - Honeywell RTH9590 User Manual

Setting system mode

SYSTEM
1 Touch
2 Touch desired option:
Heat: Thermostat controls only the
heating system.
Cool: Thermostat controls only the
cooling system.
Off: Heating/cooling systems are off.
Automatic: Thermostat selects heating
or cooling as needed depending on the
indoor temperature.
Emergency Heat (heat pumps
with aux. heat): Controls auxiliary/
emergency heat. Compressor is locked
out.
Done
3 Touch to save and exit.
Note: The Automatic and Emergency Heat
system settings may not appear, depending
on how your thermostat was installed.
69-2790EF—05
to display system settings.
Done
36
SYSTEM