Select System Setting - Honeywell RTHL221 series Operating Manual

Select the system setting
Heat Off Cool
Set SYSTEM switch to control the
heating or cooling system.
Fan
Auto On
M32700
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.
CAUTION: EQUIPMENT DAMAGE
HAZARD. To prevent possible
compressor damage, do not operate
cooling system when outdoor
temperature is below 50°F (10°C).
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RTHL2310/RTHL221
69-2577ES—01