Hitachi RAK-15QPC Service Manual page 46

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.
ECO
Dehumidifying:0.66
46
FCLN_WAM_P FCLN_SDF_P
CLNCMP