Viessmann VITODENS 200-W Service Instructions Manual page 60

Code 2
General/Group "1"
Coding in the delivered condition
3C:0 Function input DE3 at
extension EA1: No func-
tion
3d:5 DHW circulation pump
runtime for brief opera-
tion: 5 min
3E:0 Internal circulation pump
stays in control mode at
signal "External block-
ing"
60
(cont.)
Possible change
3C:1
3C:2
3C:3
3C:4
3C:5
3C:6
3d:1
to
3d:60
3E:1
3E:2
Function input DE3: Heat-
ing program changeover
Function input DE3: Exter-
nal demand with set flow
temperature.
Function internal circula-
tion pump: Coding address
3F
Function input DE3: Exter-
nal blocking.
Function internal circula-
tion pump: Coding address
3E
Function input DE3: Exter-
nal blocking with fault mes-
sage input
Function internal circula-
tion pump: Coding address
3E
Function input DE3: Fault
message input
Function input DE3: Brief
operation, DHW circulation
pump (pushbutton func-
tion).
DHW circulation pump run-
time adjustment: Coding
address 3d
DHW circulation pump run-
time adjustable from 1 to
60 min
Internal circulation pump
stops at signal "External
blocking"
Internal circulation pump
starts at signal "External
blocking"