Honeywell TH5110D Thermostat User Manual


 
6 69-1713
Operate Your Thermostat
Set System Setting
Press the System button to select Heat, Off, Cool or Auto:
Heat—Thermostat controls the heating system.
Off—Both the heating and cooling systems are off.
Cool—Thermostat controls the cooling system.
Auto—Thermostat automatically changes between
heating and cooling operation, depending on indoor
temperature. See Auto Changeover section.
CAUTION
Equipment Damage Hazard.
Air conditioning compressor damage possible.
Do not operate cooling system when outdoor temperature is
below 50
°
F (10
°
C).
M22107
PRESS THE
SYSTEM BUTTON
TO SELECT HEAT,
OFF, COOL OR AUTO.
Replace Batt
Se
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N
eeded
F
an
A
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o
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System
69-1713.fm Page 6 Tuesday, June 8, 2004 10:33 AM