Honeywell CT3650 Manuel D’Utilisation

69-1285—2

❑

Press

during the spring to set time forward one hour. DST is displayed when operating on daylight savings

time.

NOTE:

Pressing the Daylight Time key more than once in a five minute period scrolls you through various time
option. For example, one hour earlier or later, with or without DST. Pressing Daylight Time six times in a five
minute period returns you to your original setting.

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.

Daylight

Time

Fan

System