38
Coding in the delivered condition
Possible change
Set flow temperature for external demand
9B:70
Set flow temperature for external
demand 70 °C
9B:0
to
9B:127
Set flow temperature for external de-
mand adjustable from 0 to 127 °C
(limited by boiler-specific parame-
ters)
Boiler/Group "2"
For weather-compensated control units, select
"Boiler"
For constant temperature control units, select Group
"2"
(see page 36).
Coding
Coding in the delivered condition
Possible change
Single/multi-boiler system
01:1
Single boiler system (only for con-
stant temperature control units)
01:2
Multi boiler system with Vitotronic
300-K
Boiler number
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
Burner service in 100 hours
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 step
≙
100 h
Service interval in months
23:0
No time set for burner service in-
terval
23:1
to
23:24
Interval adjustable from 1 to
24 months
Service status
24:0
"Service"
not shown on the dis-
play
24:1
"Service"
shown on the display.
The address is set automatically and
must be reset manually after a serv-
ice.
Filling/venting
2F:0
Venting program/filling program in-
active
2F:1
Venting program active
2F:2
Filling program active
Code 1
General/Group "1"
(cont.)
5839829
Codes