Viessmann Vitoplus 300 Service Instructions Manual page 44

Wall mounted oil fired condensing boiler for the combustion of low sulphur fuel oil din 51603-el-1 with integral boiler control unit
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Coding
Code 2
(cont.)
Coding in the delivered condition
24:0
No "Maintenance" dis-
play
26:0.
Burner fuel consump-
tion (stage 1); no count
if "26:0" is encoded
29:0
Burner fuel consump-
tion (stage 1 and 2); no
count if "29:0" is en-
coded
2E:0
Without external exten-
sion
2F:0
Venting program/filling
program disabled
30:1
Internal variable speed
circulation pump (auto-
matic adjustment)
31:65
Set speed of internal
circulation pump when
operated as boiler cir-
cuit pump 65%, de-
faulted by boiler coding
card
32:0
Influencing signal "Ex-
ternal blocking" on cir-
culation pumps: All
pumps in control func-
tion
44
Possible change
24:1
"Maintenance" display
(the address is automati-
cally set and must be
manually reset after a
service has been carried
out)
26:1
26:255
Entering 0.1 to 25.5;
1 step
lons/hour
29:1
Entering 0.1 to 25.5; 1
to
step
0.1 litres or gal-
29:255
lons/hour
2E:1
With external extension
(automatic adjustment on
connection)
2F:1
Venting program enabled
2F:2
Filling program enabled
30:0
Internal circulation pump
without variable speed
(e.g. temporarily for ser-
vice)
31:0
Set speed adjustable
to
from 0 to 100%
31:100
32:1
Influencing signal "Exter-
to
nal blocking" on circula-
32:15
tion pumps: see the
following table
0.1 litres or gal-

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