Viessmann D2RA, Installation Instructions For Contractors

Page: 65 / 164

65
Select "Boiler" (see page 63).
Coding
Coding in the delivered condition Possible change
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 Time 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 coding address is set automati-
cally and must be reset manually af-
ter a service.
Filling/Venting
2F:0 Secondary circuit:
Venting program/filling program not
active 2F:1 Venting program active
2F:2 Filling program active
"Process"
Select "Process" (see page 63).
Coding
Coding in the delivered condition Possible change
Enable sorption operation
14:0 Only condensing operation ena-
bled 14:1 Only sorption operation enabled
14:2 Condensing operation and sorption
operation enabled
Heat source
1A:1 Solar thermal 1A:0 Geothermal probe
Code 1
"Boiler"
5678 044 GB
Codes