LG AHNW146A0 Owner's Manual page 28

Owner's instruction
28 Air-to-Water Heat Pump Owner's Manual
5 Press right button to move to 'Minute'
part. (the 'Minute' segment will be flashed)
6 Press up, down button to adjust the
Minutes.
7 If you finish the setting, press setting/cancel
button to complete programming.
8 Press exit button to exit or system will
automatically release without any input after
25 seconds.