50
Coding
Coding in the delivered condition
Possible change
01:1
Single boiler system (only for con-
stant temperature control units)
01:2
Multi boiler system with Vitotronic
300-K
04:1
Minimum burner pause time sub-
ject to the boiler load (specified by
coding card)
04:0
Minimum burner pause time set per-
manently (specified by coding card)
06:...
Maximum limit of boiler water tem-
perature, specified in °C by coding
card
06:20
to
06:127
Maximum limit of boiler water tem-
perature within the ranges specified
by the boiler
07:1
Boiler number in multi boiler sys-
tems (only for constant tempera-
ture control units)
07:2
to
07:4
Boiler number 2 to 4 in multi boiler
systems
08:...
Maximum burner heating output in
kW, in multi boiler systems
08:0
to
08:199
Maximum burner heating output ad-
justable in 10 kW increments, from 0
to 199 kW (limited by boiler-specific
parameters). Example 320 kW = 32
0D:0
Never adjust.
0E:0
Never adjust.
13:1
Never adjust.
14:1
Never adjust.
15:1
Never adjust.
21:0
No service interval set (in hours
run)
21:1
to
21:100
The number of hours run before the
burner should be serviced is adjust-
able from 100 to 10,000 h
One adjusting step
≙
100 h
23:0
No time set for burner service in-
terval
23:1
to
23:24
Interval adjustable from 1 to
24 months
24:0
"Service"
not shown on the dis-
play
24:1
"Service"
is shown on the display
(address is automatically set and
must be manually reset after a serv-
ice has been carried out)
28:0
No burner interval ignition
28:1
to
28:24
Time interval adjustable from 1 h to
24 h. The burner is force-started for
30 s at a time (only when operating
with LPG).
2E:0
Never adjust.
2F:0
Never adjust.
30:0
■
Connection of multi stage boiler
circuit pump
■
Operation with low loss header
(single or multi boiler system)
30:1
Do not adjust.
30:2
Boiler circuit pump speed-controlled
with flow rate
38:0
Burner control unit status: Opera-
tional (no fault)
38:≠0
Burner control unit status: Fault
Code 2
Boiler/Group "2"
5839829
Codes