Select System Setting - Honeywell TH1100DH Operating Manual

Select the system setting
77
Set
Cool
On
E.M. Heat Heat Off Cool
Set SYSTEM switch to control the
heating or cooling system.
Fan
Auto On
M32821
The SYSTEM switch can be set to control
your heating or cooling system, depend-
ing 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).
5
PRO 1000
69-2607EFS—01