Boiler/Group "2 - Viessmann VITOCROSSAL Service Instructions Manual

Code 1
General/Group "1"
Coding in the delivered condition
Set flow temperature for external demand
9B:70 Set flow temperature for external
demand 70 °C

Boiler/Group "2"

For weather-compensated control units, select
"Boiler" (see page 36).
Coding
Coding in the delivered condition
Single/multi-boiler system
01:1 Single boiler system (only for con-
stant temperature control units)
Boiler number
07:1 Boiler number in multi boiler sys-
tems (only for constant tempera-
ture control units)
Burner service in 100 hours
21:0 No service interval set (in hours
run)
Service interval in months
23:0 No time set for burner service in-
terval
Service status
24:0 "Service" not shown on the dis-
play
Filling/venting
2F:0 Venting program/filling program in-
active
38
(cont.)
Possible change
9B:0 Set flow temperature for external de-
to mand adjustable from 0 to 127 °C
9B:127 (limited by boiler-specific parame-
ters)
For constant temperature control units, select Group
"2" (see page 36).
Possible change
01:2 Multi boiler system with Vitotronic
300-K
07:2 Boiler number 2 to 4 in multi boiler
to systems
07:4
21:1 The number of hours run before the
to burner should be serviced is adjust-
21:100 able from 100 to 10,000 h
One step
23:1 Interval adjustable from 1 to
to 24 months
23:24
24:1 "Service" shown on the display.
The address is set automatically and
must be reset manually after a serv-
ice.
2F:1 Venting program active
2F:2 Filling program active
≙
100 h