Operating instructions

76
Coding in the delivered condition Possible change
3b:0 Function input DE2 at
extension EA1: No func-
tion
3b:1 Function input DE2: Heat-
ing program changeover
3b:2 Function input DE2: Exter-
nal demand with set flow
temperature.
Function internal circula-
tion pump: Coding address
3F
3b:3 Function input DE2: Exter-
nal blocking.
Function internal circula-
tion pump: Coding address
3E
3b:4 Function input DE2: Exter-
nal blocking with fault mes-
sage input
Function internal circula-
tion pump: Coding address
3E
3b:5 Function input DE2: Fault
message input
3b:6 Function input DE2: Brief
operation, DHW circulation
pump (pushbutton func-
tion).
DHW circulation pump run-
time adjustment: Coding
address 3d
Code 2
General/Group "1"
(cont.)
5457 552 GB