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RTHL2310/RTHL221

7 69-2577ES—01

M32700

Heat Off Cool Auto On

Fan

Select the system setting

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.

Set SYSTEM switch to control the

heating or cooling system.

CAUTION: EQUIPMENT DAMAGE

HAZARD. To prevent possible

compressor damage, do not operate

cooling system when outdoor

temperature is below 50°F (10°C).

Honeywell RCT8103 Series User Manual

Questions and Answers: