| INDEX | NAME | DIRECTION | REGISTER | COUNT | FUNCTION | TYP | CONVERTION | ENUMS | UNIT |
|---|---|---|---|---|---|---|---|---|---|
| 0 | system_on/off | READ & WRITE | 40025 | 2 | fc3/fc16 | ui16 | 0: off, 1: on, 2: emergency run, 3. test run | ||
| 1 | operating_mode | READ & WRITE | 40027 | 2 | fc3/fc16 | ui16 | 0: normal, 1: eco | ||
| 2 | set_tank_temperature | READ & WRITE | 40031 | 2 | fc3/fc16 | ui16 | x*100 | °C | |
| 3 | status_heating | READ | 40072 | 2 | fc4 | ui16 | 0: no type, 1: H C1, 2: H C2, 3: H C3 (applicable unit type FTC4) ; 0: no type, 1: H/C A1, H/C B1, H/C C1 (applicable unit type FTC5&6 | ||
| 4 | temperature_setpoint_zone1 | READ | 40082 | 2 | fc4 | ui16 | x*100 | °C | |
| 5 | temperature_setpoint_zone2 | READ | 40085 | 2 | fc4 | ui16 | x*100 | °C | |
| 6 | flow_temperature_setpoint_zone1 | READ | 40086 | 2 | fc4 | ui16 | x*100 | °C | |
| 7 | flow_temperature_setpoint_zone2 | READ | 40088 | 2 | fc4 | ui16 | x*100 | °C | |
| 8 | room_temperature_zone1 | READ | 40094 | 2 | fc4 | ui16 | x*100 | °C | |
| 9 | room_temperature_zone2 | READ | 40096 | 2 | fc4 | ui16 | x*100 | °C | |
| 10 | outdoor_ambient_temperature | READ | 40100 | 2 | fc4 | ui16 | x*10 | 0x0000 = 0.0ºC ... 0x036B = 87.5ºC | |
| 11 | tank_water_temperature | READ | 40106 | 2 | fc4 | ui16 | x*100 | °C | |
| 12 | flow_temperature_zone1 | READ | 40108 | 2 | fc4 | ui16 | x*100 | °C | |
| 13 | flow_temperature_zone2 | READ | 40112 | 2 | fc4 | ui16 | x*100 | °C | |
| 14 | return_temperature_zone1 | READ | 40110 | 2 | fc4 | ui16 | x*100 | °C | |
| 15 | return_temperature_zone2 | READ | 40114 | 2 | fc4 | ui16 | x*100 | °C | |
| 16 | boiler_flow_temperature | READ | 40116 | 2 | fc4 | ui16 | x*100 | °C | |
| 17 | boiler_return_temperature | READ | 40118 | 2 | fc4 | ui16 | x*100 | °C | |
| 18 | input_temperature_setpoint_zone1 | READ | 30041 | 2 | fc4 | ui16 | x*100 | °C | |
| 19 | input_temperature_setpoint_zone2 | READ | 30043 | 2 | fc4 | ui16 | x*100 | °C | |
| 20 | input_flow_temperature_setpoint_zone1 | READ | 30045 | 2 | fc4 | ui16 | x*100 | °C | |
| 21 | input_flow_temperature_setpoint_zone2 | READ | 30047 | 2 | fc4 | ui16 | x*100 | °C | |
| 22 | input_room_temperature_zone1 | READ | 30053 | 2 | fc4 | ui16 | x*100 | °C | |
| 23 | input_room_temperature_zone2 | READ | 30055 | 2 | fc4 | ui16 | x*100 | °C | |
| 24 | input_outdoor_ambient_temperature | READ | 30059 | 2 | fc4 | ui16 | x*10 | 0x0000 = 0.0ºC ... 0x036B = 87.5ºC | |
| 25 | input_flow_temperature | READ | 30061 | 2 | fc4 | ui16 | x*100 | °C | |
| 26 | input_return_temperature | READ | 30063 | 2 | fc4 | ui16 | x*100 | °C | |
| 27 | input_outdoor_ambient_temperature | READ | 30059 | 2 | fc4 | ui16 | x*10 | 0x0000 = 0.0ºC ... 0x036B = 87.5ºC | |
| 28 | input_tank_water_temperature | READ | 30065 | 2 | fc4 | ui16 | x*100 | °C | |
| 29 | input_boiler_flow_temperature | READ | 30075 | 2 | fc4 | ui16 | x*100 | °C | |
| 30 | input_boiler_return_temperature | READ | 30077 | 2 | fc4 | ui16 | x*100 | °C | |
| 31 | H/C_control_type | READ | 30144 | 2 | fc4 | ui16 | 0: heating, 1: cooling |