1114 REMOTE CONTROL RECEIVING SOUND OFF/ON MODEThe Remote Control Receiving Sound OFF/ON Mode will be activated if the Auto OFF/ON button is pressedcontinuously for more than 16 seconds (4 “beep” sounds will occur at 16th seconds to identify the RemoteControl Receiving Sound Off/On Mode is in standby condition) and press “AC Reset” button at remotecontrol.Press “Auto OFF/ON button” to toggle remote control receiving sound.o Short “beep”: Turn OFF remote control receiving sound.o Long “beep”: Turn ON remote control receiving sound.After Auto OFF/ON Button is pressed, the 20 seconds counter for Remote Control Receiving Sound OFF/ONMode is restarted.17.2 Heat Only Operation17.2.1 How to Activate/Deactivate Heat only Operation Use remote controller to set heating only operation. When the unit in standby mode, follow the steps below:a) Press continuously for more than 5 seconds to enter special setting mode.b) Press to choose function 61, and then press or to set “01”. (To enable the “Heat Only” mode)or “00” (To disable the “Heat Only” mode).c) Press to activate “Heating only operation” or deactivate “Heating only operation”.17.3 Cool Only Operation17.3.1 How to Activate/Deactivate Cool only Operation Use remote controller to set heating only operation. When the unit in standby mode, follow the steps below:d) Press continuously for more than 5 seconds to enter special setting mode.e) Press to choose function 62, and then press or to set “01”. (To enable the “Cool Only” mode)or “00” (To disable the “Cool Only” mode).f) Press to activate “Cooling only operation” or deactivate “Cooling only operation”.SETT 5secsSpecial setting mode(Functionno.)(Opt ions)Activate or deactivate“Heating onlyoperation”SETT 5secsSpecial setting mode(Functionno.)(Opt ions)Activate or deactivate“Cooling onlyoperation”