Step 11 Set The Fan And System Switches - Honeywell CT3400 Programming And Installation Instructions

STEP 11 Set The Fan And System Switches
First set the fan switch.
Then set the system switch.
FAN ON: The fan runs continuously. Use for
improved air circulation during special occa-
sions or for more efficient electronic air cleaning.
FAN AUTO: Normal setting for most homes. A
single-speed fan will turn on automatically
with the air conditioner or furnace. A two-
speed fan will usually run on high with the air
conditioner and on low with the furnace.
HEAT: The thermostat controls your heating
system.
OFF: Both the heating and air conditioning
systems are off.
COOL: The thermostat controls your air con-
ditioning system
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ON AUTO
FAN
ON AUTO
FAN
HEAT OFF COOL
HEAT OFF COOL
HEAT OFF COOL
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