SiUS04-904 Main FunctionsFunction and Control 33Ex.) : POWERFUL operation in cooling mode.1.11 Other Functions1.11.1 Hot-start FunctionIn order to prevent the cold air blast that normally comes when heating is started, the temperatureof the heat exchanger in the indoor unit is detected, and either the airflow stops or lowers to ensurecomfortable heating of the room.*The cold air blast is also prevented using a similar control when the defrosting operation is startedor when the thermostat gets turned ON.1.11.2 Signal Receiving SignWhen the indoor unit receives a signal from the remote controller, the unit emits a signal receivingsound.1.11.3 ON/OFF Button on Indoor UnitAn ON/OFF switch is provided on the front panel of the unit. Use this switch when the remotecontroller is missing or if its battery is dead.Every press of the switch changes from ON to OFF or from OFF to ON Push this button once to start operation. Push once again to stop it. This button is useful when the remote controller is missing. The operation mode refers to the following table.Forced operation mode is set by pressing the ON/OFF button for 5 to 9 seconds while the unit isnot operating.See page 48 for the detail of Forced Operation Mode.Note: When the ON/OFF button is pressed for 10 seconds or more, the operation is stopped.(R5488)Target temp.Fan90rpmSet temp.64˚FPOWERFUL ONPOWERFUL OFFH tapSet tapIt should be the lower limit of cooling temperature.It counts 20 min. also in the remote controller.Ending condition: "or" in 1 to 31. After the lapse of 20 minutes.2. Stop3. POWERFUL operation is OFF.20 min.ON / OFF button(R2824)Mode Temperature setting Airflow rateHeat Pump AUTO 77ºF AUTO
