Select the system setting
On
Fan
Auto
Set
Hold
Run
Cool
Off
Heat
E.M. Heat
M34678
Set SYSTEM
switch to
control the
heating
or cooling
system.
7
The SYSTEM switch can be set to control
your heating or cooling system, depending
on the season.
• Cool: Cooling system control.
• Off: All systems are off.
• Heat: Heating system control.
• Em Heat: Emergency & Auxiliary Heat
control. Compressor is locked out.
(Select models only.)
CAUTION: EQUIPMENT DAMAGE
HAZARD. To prevent possible
compressor damage, do not operate
cooling system when outdoor
temperature is below 50°F (10°C).
69-2799EFS—03