Viessmann VITODENS 200-W Service Instructions Manual page 56

Code 2
General/Group 1
Coding in the delivered condition
36:0 Function output aBJ at
extension EA1: Fault
message
3A:0 Function input DE1 at
extension EA1: without
function
56
(cont.)
Possible change
36:1 Function output aBJ: Feed
pump
Function output aBJ: DHW
36:2
circulation pump
3A:1 Function input DE1: Heat-
ing program changeover
3A:2 Function input DE1: Exter-
nal demand with set flow
temperature.
Function internal circula-
tion pump: Coding address
3F
3A:3 Function input DE1: Exter-
nal blocking.
Function internal circula-
tion pump: Coding address
3E
3A:4 Function input DE1: Exter-
nal blocking with fault mes-
sage input
Function internal circula-
tion pump: Coding address
3E
3A:5 Function input DE1: Fault
message input
3A:6 Function input DE1: Brief
operation, DHW circulation
pump (pushbutton func-
tion).
DHW circulation pump run-
time adjustment: Coding
address 3d