Viessmann VITOTRONIC 200 Installation And Service Instructions Manual page 53

Vitotronic 200 and 300-K Installation and Service
"Cascade" Group
Coding in the factory set condition
42:31 No ECO threshold boiler 2
43:31 No ECO threshold boiler 3
44:31 No ECO threshold boiler 4
45:60 Start integral threshold
set to 60 K x min
46:10 Shutdown integral threshold
set to 10 K x min
47:15 Shutdown differential temperature
set to 15 K
48:35 Never adjust!
49:40 Never adjust!
65:31 No ECO threshold boiler 5
6F:31 No ECO threshold boiler 6
74:31 No ECO threshold boiler 7
7D:31 No ECO threshold boiler 8
(continued)
Possible change
42:−30
to
42:+30
43:−30
to
43:+30
44:−30
to
44:+30
45:1
to
45:255
46:1
to
46:255
47:2
to
47:30
-
-
65:−30
to
65:+30
6F:−30
to
6F:+30
74:−30
to
74:+30
7D:−30
to
7D:+30
ECO threshold boiler 2 adjustable from
-22 to +86° F (−30 to +30° C)
ECO threshold boiler 3 adjustable from
-22 to +86° F (−30 to +30° C)
No ECO threshold boiler
ECO threshold boiler 4 adjustable from
-22 to +86° F (−30 to +30° C)
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.
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.
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.
-
-
ECO threshold boiler 5 adjustable from
-22 to +86° F (−30 to +30° C)
ECO threshold boiler 6 adjustable from
-22 to +86° F (−30 to +30° C)
ECO threshold boiler 7 adjustable from
-22 to +86° F (−30 to +30° C)
ECO threshold boiler 8 adjustable from
-22 to +86° F (−30 to +30° C)
Code 2
53