| Hex | Dec | Dir | Description | Freq | Value |
|---|---|---|---|---|---|
| 05 | 5 | Read | Application-specific flags | 42 | 00000000 255 |
| 0F | 15 | Read | Boiler capacity and modulation limits | 804 | 7 98 |
| 19 | 25 | Read | Boiler water temperature | 7 | 28.25 |
| 78 | 120 | Read | Burner operation hours | 48 | 2603 |
| 74 | 116 | Read | Burner starts | 50 | 52835 |
| 79 | 121 | Read | CH pump operation hours | 60 | 4810 |
| 75 | 117 | Read | CH pump starts | 59 | 42423 |
| 12 | 18 | Read | CH water pressure | 804 | 1.90 |
| 01 | 1 | Write | Control setpoint | 7 | 30.00 |
| 15 | 21 | Write | Date | 3600 | Dec 6 |
| 14 | 20 | Write | Day of week and time of day | 3600 | Sat 04:00 |
| 7B | 123 | Read | DHW burner operation hours | 48 | 233 |
| 77 | 119 | Read | DHW burner starts | 48 | 20661 |
| 7A | 122 | Read | DHW pump/valve operation hours | 60 | 29686 |
| 76 | 118 | Read | DHW pump/valve starts | 59 | 28206 |
| 38 | 56 | Write | DHW setpoint | 804 | 60.00 |
| 30 | 48 | Read | DHW setpoint boundaries | 804 | 65 40 |
| 02 | 2 | Write | Master configuration | 804 | 00000001 11 |
| 31 | 49 | Read | Max CH setpoint boundaries | 804 | 80 0 |
| 39 | 57 | Write | Max CH water setpoint | 321 | 75.00 |
| 0E | 14 | Write | Maximum relative modulation level | 42 | 100.00 |
| 63 | 99 | Read | Operating mode HC1, HC2, DHW | 7 | 0 0 0 0000 |
| 1B | 27 | Read | Outside temperature | 42 | 5.40 |
| 11 | 17 | Read | Relative modulation level | 7 | 0.00 |
| 64 | 100 | Read | Remote override function | 804 | 00000011 |
| 09 | 9 | Read | Remote override room setpoint | 7 | 15.00 |
| 1C | 28 | Read | Return water temperature | 4 | 27.84 |
| 10 | 16 | Write | Room setpoint | 42 | 15.00 |
| 18 | 24 | Write | Room temperature | 42 | 17.66 |
| 03 | 3 | Read | Slave configuration | 804 | 01000001 11 |
| 00 | 0 | Read | Status | 7 | 00000000 00000000 |
| 16 | 22 | Write | Year | 3600 | 2025 |