Honeywell T8665C Owner's Manual - Page 15

Caution

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CAUTION Equipment Damage Hazard. Can cause permanent damage to the compressor or other equipment. To avoid possible compressor damage, allow compressor to remain off for five minutes before restarting. To avoid possible equipment damage, do not operate cooling when outside temperature is below 50°F (10°C). See equipment manufacturer instructions. Setting System Key Press the System key until the desired system (Heat, Off, Cool, System or Auto) displays. Heat: The thermostat controls the heating. Off: Both the heating and cooling are off. Cool: The thermostat controls the cooling. Auto: The thermostat automatically changes between heating and cooling operation, depending on the indoor temperature. Em.Ht: Emergency heat is controlled as stage 1 heat. The Cooling system is off. The compressor is de- HEAT PUMP energized. 15 69-1538

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15
69-1538
CAUTION
Equipment Damage Hazard.
Can cause permanent damage to the
compressor or other equipment.
To avoid possible compressor damage,
allow compressor to remain off for five
minutes before restarting.
To avoid possible equipment damage,
do not operate cooling when outside
temperature is below 50°F (10°C). See
equipment manufacturer instructions.
Setting System Key
Press the System key until the
desired system (Heat, Off, Cool,
or Auto) displays.
Heat: The thermostat controls the heating.
Off: Both the heating and cooling are off.
Cool: The thermostat controls the cooling.
Auto: The thermostat automatically changes
between heating and cooling operation,
depending on the indoor temperature.
Em.Ht: Emergency heat is controlled as stage 1
heat. The Cooling system is
off. The compressor is de-
energized.
HEAT PUMP
System