Summary

Hex Dec Dir Description Freq Value
05 5 Read Application-specific flags 43 00000000 255
0F 15 Read Boiler capacity and modulation limits 815 7 98
19 25 Read Boiler water temperature 7 40.77
78 120 Read Burner operation hours 50 2843
74 116 Read Burner starts 50 56122
79 121 Read CH pump operation hours 63 5180
75 117 Read CH pump starts 62 44942
12 18 Read CH water pressure 814 1.80
01 1 Write Control setpoint 7 80.00
15 21 Write Date 3600 Jan 22
14 20 Write Day of week and time of day 3600 Thu 14:00
7B 123 Read DHW burner operation hours 50 241
77 119 Read DHW burner starts 50 21160
7A 122 Read DHW pump/valve operation hours 64 30461
76 118 Read DHW pump/valve starts 63 30618
38 56 Write DHW setpoint 813 60.00
30 48 Read DHW setpoint boundaries 814 65 40
02 2 Write Master configuration 815 00000001 11
31 49 Read Max CH setpoint boundaries 813 80 0
39 57 Write Max CH water setpoint 325 80.00
0E 14 Write Maximum relative modulation level 37 0.00
63 99 Read Operating mode HC1, HC2, DHW 7 0 0 0 0000
1B 27 Read Outside temperature 43 5.70
11 17 Read Relative modulation level 7 0.00
64 100 Read Remote override function 813 00000011
09 9 Read Remote override room setpoint 7 19.50
1C 28 Read Return water temperature 4 40.91
10 16 Write Room setpoint 43 19.50
18 24 Write Room temperature 42 19.20
03 3 Read Slave configuration 814 01000001 11
00 0 Read Status 7 00000001 00001010
16 22 Write Year 3600 2026