Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual page 92

Code 2
"General"/group 1
Coding in the delivered condition
3b:0 Function input DE2 at ex-
tension EA1:
No function
92
(cont.)
Possible change
3A:4
3A:5
3A:6
3b:1
3b:2
3b:3
3b:4
3b:5
3b:6
External blocking with fault
message input.
Internal circulation pump
function: Coding address
"3E" in this group.
Fault message input
Brief operation, DHW cir-
culation pump (pushbutton
function).
DHW circulation pump run-
time adjustment: Coding
address "3d" in this group.
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.
Function input DE2: Exter-
nal blocking.
Internal circulation pump
function: Coding address
"3E" in this group.
Function input DE2: Exter-
nal blocking with fault mes-
sage input
Internal circulation pump
function: Coding address
3E
Function input DE2: Fault
message input
Function input DE2: Brief
operation, DHW circulation
pump (pushbutton func-
tion).
DHW circulation pump run-
time adjustment: Coding
address 3d