Viessmann Vitoligno 300-P Service Instructions For Contractors page 56

Codes
Code 2
(cont.)
Coding in the delivered condition
52:5 Only in systems with a
heating water buffer cyl-
inder:
The return temperature
raising pump stops when
the boiler water tempera-
ture has fallen below the
buffer cylinder tempera-
ture minus 5 K (top sen-
sor).
54:0 Without solar control unit 54:1
55:0 Without DHW cylinder
56:0 Set DHW temperature
adjustable from 10 to
60 °C
58:0 Without auxiliary function
for DHW heating
59:0 Cylinder heating
Start point: Set value
−2.5 K
Shutdown point: Set
value +2.5 K
5A:0 No function
60:15 During DHW heating, the
boiler water temperature
is max. 15 K higher than
the set DHW tempera-
ture
56
Possible change
52:0 Value adjustable from 0 to
to 10 K
52:10
With Vitosolic 100;
will be recognised auto-
matically
54:2 With Vitosolic 200;
will be recognised auto-
matically
55:1 Cylinder heating,
hysteresis ± 2.5 K
55:2 Adaptive cylinder heating
active
56:1 Set DHW temperature
adjustable from 10 to 75
°C
58:1 Input of a second set DHW
to value, adjustable from 10
58:75 to 75 °C (observe coding
address "56")
59:1 Starting point adjustable
to from 1 to 10 K below the set
59:10 value
5A:1 Flow temperature demand
from the DHW cylinder is
the maximum system
value
60:10 The difference between the
to boiler water temperature
60:50 and the set DHW tempera-
ture is adjustable from 10 to
50 K