Viessmann VITOLADENS 300-W Installation And Service Instructions Manual page 69

General
(cont.)
Coding in the delivered condition
3b:0 Function input DE2 at ex-
tension EA1: Not as-
signed
3C:0 Function input DE3 at ex-
tension EA1: Not as-
signed
Possible change
3A:6 Function input DE1: Brief
operation, DHW circulation
pump (pushbutton func-
tion).
DHW circulation pump run-
time adjustment: Coding
address 3d
3b:1 Function input DE2: Heat-
ing program - changeover
3b:2 Function input DE2: Exter-
nal demand with set flow
temperature.
Flow temperature setting:
Coding address 9b.
Internal circulation pump
function: Coding address
3F
3b:3 Function input DE2: Exter-
nal blocking.
Internal circulation pump
function: Coding address
3E
3b:4 Function input DE2: Exter-
nal blocking with fault mes-
sage input
Internal circulation pump
function: 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
3C:1 Function input DE3: Heat-
ing program - changeover
Code 2
69