Viessmann VITOLIGNO 300-P Service Instructions Manual page 65

Code 2
(cont.)
Coding in the delivered condition
34:5 Only in systems with a
heating water buffer cyl-
inder and code "BB:1",
the following must be
selected:
For a description, see
page 56
35:20 Only in systems with a
heating water buffer cyl-
inder and code "BB:1",
the following must be
selected:
For a description, see
page 56
45:0 Without heating water
buffer cylinder
46:45 Only in systems with a
heating water buffer cyl-
inder:
Return temperature rais-
ing pump "ON" if the
boiler water temperature
exceeds 45 °C
47:10 Only in systems with a
heating water buffer cyl-
inder:
Integral start threshold
set to 10 K x min (see fol-
lowing description)
If the buffer cylinder temperature (top sensor) falls by a value below the set flow
temperature, the burner will start after a specified delay.
Example:
Code "47:10"
Possible change
32:100 For a smaller output reduc-
tion, set a high value.
34:0 Value adjustable from 0 to
to 20 K
34:20
35:0 Value adjustable from 0 to
to 30 K
35:30
45:1 With heating water buffer
cylinder
45:2 With heating water buffer
cylinder with integral DHW
heating (combi cylinder)
(Observe coding address
"61")
46:0 Value adjustable from 0 to
to 80 °C
46:80
47:0 Integral start threshold
to adjustable from 0 to 100 K
47:100 x min
Codes
65