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INSTALLER SETTING
ENGLISH
Baud Rate : 9 600 bps Stop Bit : 1 stop bit Parity : None Parity
Coil Register (0x01)
Modbus gateway memory map
Register Description Value explanation
00001 Enable/Disable (Heating/Cooling) 0 : Operation OFF / 1 : Operation ON
00002 Enable/Disable (DHW) 0 : Operation OFF / 1 : Operation ON
00003 Silent Mode Set 0 : Silent mode OFF / 1 : Silent mode ON
00004 Trigger Disinfection operation 0 : Keep status / 1 : Operation start
00005 Emergency Stop 0 : Normal operation / 1 : Emergency stop
00006 Trigger Emergency Operation 0 : Keep status / 1 : Operation Start
Discrete Register (0x02)
Register Description Value explanation
10001 Water flow status 0 : Flow rate ok / 1 : Flow rate too low
10002 Water Pump status 0 : Water Pump OFF / 1 : Water Pump ON
10003 Ext. Water Pump status 0 : Water Pump OFF / 1 : Water Pump ON
10004 Compressor status 0 : Compressor OFF / 1 : Compressor ON
10005 Defrosting status 0 : Defrost OFF / 1 : Defrost ON
10006
DHW heating status
(DHW Thermal On/Off)
0 : DHW inactive / 1 : DHW active
10007 DHW Tank disinfection status 0 : Disinfection inactive / 1 : Disinfection active
10008 Silent mode status 0 : Silent mode inactive / 1 : Silent mode active
10009 Cooling status 0 : No cooling / 1 : Cooling operation
10010 Solar pump status 0 : Solar pump OFF / 1: Solar pump ON
10011 Backup heater (Step 1) status 0 : OFF / 1 : ON
10012 Backup heater (Step 2) status 0 : OFF / 1 : ON
10013 DHW boost heater status 0 : OFF / 1 : ON
10014 Error status 0 : no error / 1 : error state
10015
Emergency Operation Available
(Space heating/cooling)
0 : Unavailable / 1 : Available
10016
Emergency Operation Available
(DHW)
0 : Unavailable / 1 : Available
10017 Mix pump status 0 : Mix pump OFF / 1 : Mix pump ON
NOTE
In case of Split IWT, RTU Gateway should be installed for using modbus and refer to the RTU
Gateway installation manual for memory maps.
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