Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual page 91

"General"/group 1
Coding in the delivered condition
11:≠9 No access to the coding
addresses for the com-
bustion controller param-
eters
25:0 Without outside tempera-
ture sensor (for constant
temperature control
units)
2A:0 Without wireless outside
temperature sensor
2d:0 Do not adjust
32:0 Without extension AM1
33:1 Function output A1 at ex-
tension AM1:
Heating circuit pump
34:0 Function output A2 at ex-
tension AM1:
DHW circulation pump
35:0 Without extension EA1
36:0 Function output aBJ at
extension EA1:
Fault message
3A:0 Function input DE1 at ex-
tension EA1:
No function
(cont.)
Possible change
11:9
25:1
2A:1
2A:2
32:1
33:0
33:2
34:1
34:2
35:1
36:1
36:2
3A:1
3A:2
3A:3
Code 2
Access open to the coding
addresses for the combus-
tion controller parameters
With outside temperature
sensor (automatic recogni-
tion)
With wireless outside tem-
perature sensor (automatic
recognition)
Wireless outside tempera-
ture sensor not used
With extension AM1 (auto-
matic recognition)
DHW circulation pump
Circulation pump for cylin-
der heating
Heating circuit pump
Circulation pump for cylin-
der heating
With extension EA1 (auto-
matic recognition)
Feed pump
DHW circulation pump
Heating program - change-
over
External demand with set
flow temperature.
Set value setting: Coding
address "9b" in this group.
Internal circulation pump
function: Coding address
"3F" in this group.
External blocking.
Internal circulation pump
function: Coding address
"3E" in this group.
91