27 69-0733—3
28 69-0733—3
Move the system switch to OFF and the
fan switch to ON. The fan should run
continuously. When the fan switch is in
the AUTO position, fan cycles with the
heating or cooling system.
FAN
AUTOON
HEAT OFF COOL
STEP 11 Set The Fan And System Switches
First set the fan switch. FAN ON: The fan runs continuously. Use for
improved air circulation during special occa-
sions or for more efficient electronic air clean-
ing. (In a heat-only system, fan runs continu-
ously only if fan relay is connected to the
thermostat.)
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 on low with the furnace.
Exception: If fan operation switch on back of
thermostat is set to the ELEC (right) position
(see page 20), fan operates with furnace
only.
FAN
AUTOON
FAN
AUTOON
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