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