Unit installation

104
Coding in the delivered condition Possible change
46:10 Shutdown integral
threshold set to
10 K x min.
46:1
to
46:255
Shutdown integral thresh-
old adjustable from 1 to
255 K x min.
Note
If the threshold is excee-
ded, one boiler or one
burner stage is switched
off.
47:15 Stop differential set to
15 K.
47:2
to
47:30
Stop differential adjustable
from 2 to 30 K.
Note
One boiler will be switched
off if the actual flow tem-
perature exceeds the set
flow 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
−
30 to
+30 °C.
6F:31 No ECO threshold
boiler 6.
6F:−30
to
6F:+30
ECO threshold boiler 6
adjustable from
−
30 to
+30 °C.
74:31 No ECO threshold
boiler 7.
74:−30
to
74:+30
ECO threshold boiler 7
adjustable from
−
30 to
+30 °C.
7d:31 No ECO threshold
boiler 8.
7d:−30
to
7d:+30
ECO threshold boiler 8
adjustable from
−
30 to
+30 °C.
Code 2, Vitotronic 300-K
"Cascade" group
(cont.)
5601 090 GB