Hitachi RAF-50RPA Service Manual page 45

ECO button
Cooling:0.66
Set temperature
Heating:0.66
Current restrict
Compressor speed
Notes:
Can't set POWERFUL and ECO at the same time.
During FAN operation,can't set ECO.
Silent button
Indoor
fan
Compresson
speed
Outdoor
fan
Notes:
Can't set POWERFUL and SILENT at the same time.
ECO
Dehumidifying:0.66
SILENT
WSZMAX/CSZMAX
45