Select Boiler - Viessmann FB2B Installation And Service Instructions Manual

General
(cont.)
Coding in the delivered condition
Set flow temperature in case of ext. Demand
9b:70 Set flow temperature for
external demand 70 °C

Select boiler

Coding
Coding in the delivered condition
Burner service in 100 hours
21:0 No service interval (hours
run) selected
Service interval in months
23:0 No time interval for
burner service
Service status
24:0 No "Service" display
Filling/Venting
2F:0 Venting program/fill pro-
gram disabled
Possible change
9b:0 Set flow temperature for
to external demand adjusta-
9b:127 ble from 0 to 127 °C (limited
by boiler-specific parame-
ters)
Possible change
21:1 The number of hours run
to before the burner should
21:100 be serviced is adjustable
from 100 to 10,000 h
One adjusting step ≙
100 h
23:1 Interval adjustable from 1
to to 24 months
23:24
24:1 "Service" display (the
address is automatically
set and must be manually
reset after a service has
been carried out)
2F:1 Venting program enabled
2F:2 Fill program enabled
Code 1
69