Functions for FTX, FVXS Series SiUS091601EA65 Part 4 Functions and ControlNote(s)Note(s)Note2.13 Other Functions2.13.1 Hot-Start FunctionIn order to prevent the cold air blast that normally occurs when heating operation is started, thetemperature of the indoor heat exchanger is detected, and the airflow is either stopped orsignificantly weakened resulting in comfortable heating.The cold air blast is prevented using similar control when defrost control starts or when thethermostat is turned ON.2.13.2 Signal Receiving SignWhen the indoor unit receives a signal from the remote controller, the unit emits a signal receivingsound.2.13.3 Indoor Unit ON/OFF SwitchON/OFF switch is provided on the display of the unit. Press ON/OFF switch once to start operation. Press once again to stop it. ON/OFF switch is useful when the remote controller is missing or the battery has run out.Forced Cooling OperationForced cooling operation can be started by pressing ON/OFF switch for 5 to 9 seconds while theunit is not operating.Refer to page 199 for details.Forced cooling operation is not started if ON/OFF switch is pressed for 10 seconds or more.2.13.4 Auto-restart FunctionIf a power failure (even a momentary one) occurs during the operation, the system restartsautomatically in the same conditions as before when the power supply is restored to the conditionsprior to the power failure.It takes 3 minutes to restart the operation because 3-minute standby function is activated.Operation mode Temperature setting Airflow rateAUTO 25°C (77°F) AutomaticFTX09/12/15NMVJU FTX18/24UVJU FVXS Series(R21052)ON/OFFON/OFF switch ON/OFF switch(R13555) (R23001)ON/OFF switch
