72
BM3 Introduction
BM3 Introduction
BM3_1
BM3_2
BM3_3
BM3_4
Outdoor model 
setting
BM3_1 BM3_2 BM3_3 BM3_4 Outdoor
0 0 0 0 Normal
0 0 1 0 Update use
0 1 0 0 Heat pump model
0 1 1 0 Heat recovery model
1 0 1 0 Heat pump model for US(230V)
1 1 0 0 Heat recovery model for US(230V)
1 0 1 1 Heat pump model for US(460V)
1 1 0 1 Heat recovery model for US(460V)
BM3_5
BM3_6
BM3_7
BM3_8
Outdoor capacity 
setting
BM3_5 BM3_6 BM3_7 BM3_8 Model mark
0 0 0 1 072
0 0 1 0 096
0 0 1 1 120
0 1 0 0 144
0 1 0 1 168
0 1 1 1 192
1 0 0 0 216
1 0 0 1 240
Reserve
BM4_1
BM4_2
ModeBus 
Centralized 
control protocol 
selection
BM4_1 BM4_2 Protocol selection
0 0 Third party standard MODBUS protocol
0 1 Computer management protocol
1 0 Specic centralized control protocol (default)
1 1 Reserve
BM4_4
~
BM4_8
ModeBus 
centralized 
control 
communication 
address
BM4_4 BM4_5 BM4_6 BM4_7 BM4_8
ModeBus set control communication address 
(IGU02 using the address in brackets)
0 0 0 0 0 Address 1(0)
0 0 0 0 1 Address 2(1)
0 0 0 1 0 Address 3(2)
0 0 0 1 1 Address 4(3)
0 0 1 0 0 Address 5(4)
0 0 1 0 1 Address 6(5)
0 0 1 1 0 Address 7(6)
0 0 1 1 1 Address 8(7)
0 1 0 0 0 Address 9(8)
0 1 0 0 1 Address 10(9)
--- --- --- --- --- ---
1 1 1 1 1 Address 32(31)