Viessmann VITODENS 200-W Service Instructions Manual page 56

Code 2
General/group "1"
Coding in the delivered condition
35:0 Without extension EA1
36:0 Function output aBJ at
extension EA1: Fault
message
3A:0 Function input DE1 at
extension EA1: Not
assigned
3b:0 Function input DE2 at
extension EA1: Not
assigned
56
(cont.)
Possible change
35:1
36:1
36:2
3A:1
3A:2
3A:3
3A:4
3A:5
3A:6
3b:1
3b:2
With extension EA1 (auto-
matic recognition)
Function output aBJ: Feed
pump
Function output aBJ: DHW
circulation pump
Function input DE1: Heat-
ing program - changeover
Function input DE1: Exter-
nal demand with set flow
temperature.
Flow temperature setting:
Coding address 9b.
Internal circulation pump
function: Coding address
3F
Function input DE1: Exter-
nal blocking.
Internal circulation pump
function: Coding address
3E
Function input DE1: Exter-
nal blocking with fault mes-
sage input
Internal circulation pump
function: Coding address
3E
Function input DE1: Fault
message input
Function input DE1: Brief
operation, DHW circulation
pump (pushbutton func-
tion).
DHW circulation pump run-
time adjustment: Coding
address 3d
Function input DE2: Heat-
ing program - changeover
Function input DE2: Exter-
nal demand with set flow
temperature.