Boiler"/Group 2 - Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual

Code 1
"General"/group 1
Coding in the delivered condition
Lock out controls
8F:0 Operation in the standard
menu and extended
menu enabled
Note
The respective code is
only activated when you
exit the service menu
(see page 111).
Set flow temperature for external demand
9b:70 Set flow temperature for
external demand 70 °C

"Boiler"/group 2

Select "Boiler" for weather-compensa-
ted control units (see page 77).
Coding
Coding in the delivered condition
Single/multi-boiler system
01:1 Do not adjust (only for
constant temperature
control units)
Burner service in 100 hours
21:0 No service interval (hours
run) selected
80
(cont.)
Possible change
8F:1
8F:2
9b:0
to
9b:127
Select "2" for constant temperature con-
trol units (see page 77).
Possible change
21:1
to
21:100
Operation in standard
menu and extended menu
blocked.
Emissions test mode can
be enabled
Operation enabled in the
standard menu and
blocked in the extended
menu.
Emissions test mode can
be enabled
Set value adjustable from 0
to 127 °C (limited by boiler-
specific parameters)
The number of hours run
before the burner should
be serviced is adjustable
from 100 to 10 000 h.
One adjusting step ≙
100 h