Viessmann VITODENS 222-F Installation And Service Instructions Manual page 76

Code 2
General/Group "1"
Coding in the delivered condition
3b:0 Function input DE2 at
extension EA1: No func-
tion
76
(cont.)
Possible change
3b:1
3b:2
3b:3
3b:4
3b:5
3b:6
Function input DE2: Heat-
ing program changeover
Function input DE2: Exter-
nal demand with set flow
temperature.
Function internal circula-
tion pump: Coding address
3F
Function input DE2: Exter-
nal blocking.
Function internal circula-
tion pump: Coding address
3E
Function input DE2: Exter-
nal blocking with fault mes-
sage input
Function internal circula-
tion pump: 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