Vitotronic 200 and 300-K Installation and Service
5693 976 - 04
56
“Cascade” Group (continued)
Coding in the factory set condition Possible change
42:31 No ECO threshold boiler 2 42:−30
to
42:+30
ECO threshold boiler 2 adjustable from
-22 to +86°F (−30 to +30°C)
43:31 No ECO threshold boiler 3 43:−30
to
43:+30
ECO threshold boiler 3 adjustable from
-22 to +86°F (−30 to +30°C)
No ECO threshold boiler
44:31 No ECO threshold boiler 4 44:−30
to
44:+30
ECO threshold boiler 4 adjustable from
-22 to +86°F (−30 to +30°C)
45:60 Start integral threshold
set to 60 K x min
45:1
to
45:255
Start integral threshold adjustable from
1 to 255 K x min
Note: If the threshold is exceeded, one boiler or one
burner stage is switched on.
46:10 Shutdown integral threshold
set to 10 K x min
46:1
to
46:255
Shutdown integral threshold adjustable from
1 to 255 K x min
Note: If the threshold is exceeded, one boiler or one
burner stage is switched on.
47:15 Shutdown differential temperature
set to 15 K
47:2
to
47:30
Shutdown differential adjustable from 2 to 30 K
Note: One boiler or one burner stage will be switched
off if the actual supply temperature exceeds the
set supply temperature by this value.
48:35 Never adjust! - -
49:40 Never adjust! - -
65:31 No ECO threshold boiler 5 65:−30
to
65:+30
ECO threshold boiler 5 adjustable from
-22 to +86°F (−30 to +30°C)
6F:31 No ECO threshold boiler 6 6F:−30
to
6F:+30
ECO threshold boiler 6 adjustable from
-22 to +86°F (−30 to +30°C)
74:31 No ECO threshold boiler 7 74:−30
to
74:+30
ECO threshold boiler 7 adjustable from
-22 to +86°F (−30 to +30°C)
7D:31 No ECO threshold boiler 8 7D:−30
to
7D:+30
ECO threshold boiler 8 adjustable from
-22 to +86°F (−30 to +30°C)
Coding 2 Vitotronic 300-K
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