haier ESA3156 - Manual (Page 12)

Once the function mode is decided you will have to set the fan speed.(See fig. #4)
Every time you press the SPEED button, fan speed will change between LOW,
HIGH,MED.
1) If you choose the COOL mode you can run the fan in one of the 3 speeds HIGH,
MED, LOW.
2) For cool days you may want to run the "FAN" function. The fan can be set to run at
3 speeds (HIGH fan, MED fan, LOW fan)as desired by you.
4)Energy Saver : The unit runs the same as COOL setting in the ENERGY SAVER
mode. But the fan will be off 3 minutes after the compressor cycle off.