Data
Reg
Type
136
S16
137
S16
138
S16
139
S16
140
S16
141
S16
142
S16
143
S16
144
S16
145
S16
146
S16
147
S16
148
S16
149
S16
150
S16
151
S16
152
S16
153
S16
154
S16
155
S16
156
S16
157
S16
54
R/W
Name
R&W
Inverter pump enable
Inverter pump running
R&W
speed
R&W
Modbus control enable
R&W
Gycol type
R&W
Glycol percentage
R&W
Paf offset
R&W
Water coil control
R&W
DtTws
R&W
Dtmix
R&W
FC Offset
R&W
FC Hyster
R&W
TWI_O ABNORMAL
R&W
Low outlet water control
R&W
Power limit
R&W
E9 protection time
R&W
E9 detection method
R&W
Inverter pump MIN speed
R&W
Inverter pump MAX speed
R&W
Pump turn on time
R&W
Pump turn off time
R&W
TW_COOL_DIFF
R&W
TW_HEAT_DIFF
Description
Range: 0 - Disable, 1 - Enable , Default: 0 - Disable , Unit of
measurement: - , Notes: Valid only for single pump system
Range: 30 ~ 100 , Default: 100 , Unit of measurement: [%] ,
Notes: 5% step. Only valid if register 136 is enabled
Range: 0 - Disable, 1 - Enable , Default: 0 - Disable , Unit of
measurement: - , Notes: Enable this item bofer writing other
Modbus registers
Range: 0 - Ethylene, 1 - Propylene , Default: 0 - Ethylene , Unit
of measurement: - , Notes:
Range: 0 ~ 50 , Default: 0 , Unit of measurement: [%] , Notes:
5% step
Protection pressure compensation , Range: 0 ~ 20 , Default: 0
, Unit of measurement: 0.01Mpa , Notes: step of 5
Range: 0 - Automatic, 1 - Manual1 (through), 2 - Manual2
(bypass) , Default: 0 - Automatic , Unit of measurement: - ,
Notes: Valid only on FC units
Tws rising value after entering mix , Range: 1 ~ 3 , Default: 1 ,
Unit of measurement: [°C] , Notes: Only valid for FC/CO unit
Enter mix hysteresis , Range: 1 ~ 3 , Default: 2 , Unit of
measurement: [%] , Notes: Only valid for FC/CO unit
FC enter offset , Range: 1 ~ 15 , Default: 3 , Unit of
measurement: [°C] , Notes: Only valid for FC/CO unit
FC enter hysteresis , Range: 1 ~ 3 , Default: 1 , Unit of
measurement: [°C] , Notes: Only valid for FC/CO unit
Abnormal differ bettween inlet and outlet water temperature ,
Range: 1 ~ 5 , Default: 2 , Unit of measurement: [°C] , Notes:
Range: 0 ~ 20 , Default: 7 , Unit of measurement: [°C] , Notes:
Energy saving level , Range: 40 ~ 100 , Default: 40 , Unit of
measurement: [%] , Notes: 10% step
Water flow switch protection time , Range: 2 ~ 20 , Default: 5 ,
Unit of measurement: [s] , Notes:
Range: 0 - Water flow detected before the pump is turned on,
, 1 - Water flow switch is detected after the pump is turned on ,
Default: 0 , Unit of measurement: - , Notes:
Range: 40 ~ Max(100, Inverter pump MAX speed) , Default:
75 , Unit of measurement: [%] , Notes: 5% step. Only valid for
multiple pump system
Range: MIN(70, Inverter pump MIN speed) ~ 100 , Default:
75 , Unit of measurement: [%] , Notes: 5% step. Only valid for
multiple pump system
Range: 5 ~ 60 , Default: 5 , Unit of measurement: [min] , Notes:
5 min step
Range: 0 ~ 60 , Default: 0 , Unit of measurement: [%] , Notes:
5 min step
Differential temperature Tw in cooling mode , Range: 1 ~ 5 ,
Default: 2 , Unit of measurement: [°C] , Notes:
Differential temperature Tw in heating mode , Range: 1 ~ 5 ,
Default: 2 , Unit of measurement: [°C] , Notes:
Modbus
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