Honeywell CT3650 Owner's Manual - Page 18

❑ Press Daylight Time 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 Fan until display shows On. ❑ Fan Auto: Normal setting for most homes. The equipment controls the fan operation. ❑ Press Fan 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 System until display shows Heat. ❑ Off: Both the heating and air conditioning systems are off. ❑ Press System until the display shows Off. ❑ Cool: The thermostat controls your air conditioning system. ❑ Press System until the display shows Cool. 69-1285-2 18