Register address Data content Remarks
100 Operating frequency Compressor operating frequency in Hz
101 Operating mode
The actual operation mode of the whole unit,
2 : cooling ,
3 : heating ,
0 : OFF
102 Fan speed Fan speed, unit r/min
103 PMV opening External machines electronic expansion valve opening degree , the unit: P
104 Inlet water temperature TW_in , unit: °C.
105 Outlet temperature TW_out , unit: °C
10 6 T3 temperature Condenser temperature , unit: °C
107 T4 temperature Outdoor ambient temperature , unit: °C
108 Exhaust gas temperature Compressor discharge temperature Tp of, unit: °C
109 Return air temperature Compressor return air temperature, unit: °C
110 T1 Total outlet temperature, unit: °C
111 T1B Total water output of the system (after auxiliary heat source), unit: °C
112 T2 Refrigerant liquid side temperature , unit: °C Send value = actual value
113 T2B Temperature of refrigerant gas side , unit: °C Send value = actual value
114 Ta Room temperature, unit: °C
115 T5 Water tank temperature, °C
116 Pressure value 1 High pressure value outside the machine, unit: K P A .
117 Pressure value 2 Outer pressure of low pressure, unit: K P A . (reserved)
118 Outdoor unit current External unit running current, unit A ,
119 Outdoor unit voltage A voltage value outside the unit , unit: V .
120 Tbt1 Tbt1 , unit: °C
121 -- --
122 Compressor running time Compressor running time, unit: hour,
123 model
When the 200 register is 0702 , the model is reserved, and when it is 071x , the
value represents the model capacity 4-30 represents 4-30Kw
124 Current fault Midea standard fault coding method , specific fault code, refer to the code table
125 Fault 1
Midea standard fault coding
For specific fault codes, refer to the code table.
126 Fault 2
127 Fault 3
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