149
MODBUS registers
Address
register
Meaning Description
1019 Water flow (value read = current value)* 100, unit: M3/H
1020 Unit type 10-18 : means 10-18KW
1021 Unit target frequency
1022 Software version 1~99 means IDU software version
1023 High bit of capacity
1024 Low bit of capacity
1025 IDU capacity (value read = current value) *100, unit: KW
1026 Fan rpm Fan speed, (value read = current value)
1027 PMV
ODU EXV opening, unit: Pulse. R & lt (value read = current value) (shows
only 8 multiples. Only multiples of 8 will be shown)
1028 T3 Coil temperature, unit: °C
1029 T4 Outdoor temperature, unit:°C
1030 Tp Discharge temperature Tp, unit: °C
1031 Th Suction temperature, unit:°C
1032 TF Unit (°C) ---- External unit feedback invalid value 0x7F
1033 Pressure 1 ODU high pressure, unit: kPA. (value read = current value)
1034 Pressure 2 ODU low pressure, unit: kPA. (value read = current value) (reserved)
1035 DC bus current Unit: amps
1036 DC bus voltage (value read = current value) (unit:V)
1037 ODU current Operating power supply, unit: A (value read = current value)
1038 ODU voltage Unit voltage: V (value read = current value)
1039
ODU frequency
limitation solution
Solution read from ODU 174
1040
High bit of electrical
computation
1041
Low bit of electrical
computation
1042 ODU software version
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