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SETTING FAN SWITCH
Fan switching positions are:
FAN AUTO: Normal setting for most
homes. A single-speed fan turns on
automatically with the air conditioner or
furnace. A two-speed fan usually runs
on high with the air conditioner and runs
on low with the furnace.
FAN ON: The fan runs continuously. Use
for improved air circulation during
special occasions or for more efficient
electronic air cleaning.
SETTING SYSTEM SWITCH
System switching positions control thermo-
stat operation as follows:
COOL: The thermostat controls the air
conditioning system.
OFF: Both the heating and air conditioning
systems are off.
HEAT: The thermostat controls the heating
system.
M5783
Auto On
Fan
Cool Off Heat
System
FAN SWITCH
SYSTEM
SWITCH
TU
AM
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