Honeywell CT3550 ユーザーズマニュアル

69-1284—2

STEP 11. SET THE FAN AND SYSTEM KEY

Set the Fan Key

Fan On: The fan runs continuously. Use for improved air circulation or more efficient central air cleaning. (In a heat

only system, the fan runs continuously only if the fan relay is connected to the G thermostat terminal).

Press

until

display shows On.

Fan Auto: Normal setting for most homes. The equipment controls the fan operation.

Press

until

display shows Auto.

NOTE:

If you set the fan to On during normal operation, the fan reverts to the programmed fan setting when the
next program period begins.

Set the System Key

Heat: The thermostat controls your heating system.

Press

until

display shows Heat.

Off: Both the heating and air conditioning systems are off.

Press

until the display shows Off.

Cool: The thermostat controls your air conditioning system.

Press

until the display shows Cool.

Fan

System