Midea MC-SU60-RN1L Operation Manual page 46

The following address can use 03 (read holding registers)
Running Mode
Current silent
Mode
Total outlet
water temp.
Compressor Speed
Fan1Speed
Fan2Speed
Fan3Speed
WATER PUMP
STATE
1:OFF
N*100+240
3:Heating Mode 4.DHW Mode
N*100+241 1:Standard Mode 2:Silent Mode
3:Super Silent Mode
N*100+244 Units:℃
N*100+245 Units:℃
Units:℃,only host 0 machine can
N*100+246
read this parameter.
N*100+247 Units:℃
Units:Hz
N*100+248
Actual speed
N*100+250
Actual speed
N*100+251
Actual speed
N*100+252
0: OFF
N*100+261
42
2:Cooling Mode
1: NO