Service
ModBus-register W3 applies to software after 1.12
Holding
16 bit integer register
register
Modbus
Name
4x0037
Normal flow EA
4x0038
Economy flow SA
4x0039
Economy flow EA
4x0040
Night cool flow SA
4x0041
Night cool flow EA
4x0042
Boost flow SA
4x0043
Boost flow EA
4x0044
Not used
4x0045
Not used
4x0046
Stand-by flow EA
4x0047
Stand-by flow EA
4x0048
P term Heat
4x0049
I term Heat
4x0050
P term Cool
4x0051
I term Cool
4x0052
P term Change over
4x0053
I term Change over
4x0054
SA 0% value
4x0055
SA 100% value
4x0056
EA 0% value
4x0057
EA 100% value
4x0058
Not used
4x0059
Not used
4x0060
Not used
4x0061
Not used
4x0062
Not used
4x0063
Manual Temp
4x0064
Manual SA flow
4x0065
Manual EA flow
4x0066
Not used
4x0067
Not used
4x0068
Not used
4x0069
Copy of Coil Status 1-16
4x3911
Commissioning Air +
Water
5 : 62
R/W
Min/Max
Remarks
0/100
(%)
0/100
(%)
0/100
(%)
50/100
(%)
50/100
(%)
0/100
(%)
0/100
(%)
0/100
(%)
0/100
(%)
10/10000
Scale 1:100
10/10000
Scale 1:100
10/10000
Scale 1:100
10/10000
Scale 1:100
10/10000
Scale 1:100
10/10000
Scale 1:100
0/5000
5000/10000
0/5000
5000/10000
0-50
(degC) Only used in Manual state
0/100
(%) Only used in Manual state
0/100
(%) Only used in Manual state
0/65535
"Bit0=0x0001
Bit1=0x0002
Bit2=0x0003
Bit3=0x0004
Bit4=0x0005
...
Bit15=0x0016"
Air: Bit0-7=(0x00ZZ)
0=Stopped
1=Air flow no occu
2=Air flow min
3=Air flow max
4=Air flow holiday
Water: Bit8-15 (0xZZ00)
0=Stopped
1=Open cool valve
2=Open heat valve
Default
50
20
20
80
80
90
90
10
10
5000
10
5000
10
5000
50
0
10000
0
10000
0