Coding in the delivered condition Possible change
0E:0 System pressure below
maximum value
0E:1 Max. system pressure
exceeded during opera-
tion. Fault message "A4"
is displayed as long as
the max. system pres-
sure is exceeded.
After the fault has been
removed, reset the cod-
ing address manually to
0.
Note
The value is set automa-
tically.
11:≠9 No access to the coding
addresses for the para-
meters of the combus-
tion control unit (see
page 97)
11:9 Access to the coding ad-
dresses for the para-
meters of the combustion
control unit enabled (see
page 97)
21:0 No maintenance inter-
val (operating hours)
selected
21:1
to
21:9999
The number of hours run
before the burner should
be serviced is adjustable
from 1 to 9999 h
23:0 No time interval for
burner service
23:1
to
23:24
Interval adjustable from 1
to 24 months
24:0 No "Service" display 24:1 "Service" display (the
address is automatically
set and must be manually
reset after a service has
been carried out)
25:0 With outside tempera-
ture sensor for constant
temperature control
units: No recognition of
outside temperature
sensor or fault monitor-
ing
25:1 Outside temperature sen-
sor and fault monitoring
recognised
Comments to this Manuals