Honeywell CT3400 Programming And Installation Instructions page 31

Press up arrow of key until the setting is
Temp
about 10° F [6° C] above room tempera-
ture. The cooling equipment and fan
should stop.
HEAT OFF COOL
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
ON AUTO
FAN
heating or cooling system.
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