Viessmann VITOTRONIC 200 Installation And Service Instructions Manual page 42

Coding level 2
"General" group
(cont.)
Coding in the delivered condition
3C:0 Function input DE3 at EA1 exten-
sion:
No function
3d:5 DHW circulation pump runtime for
brief operation: 5 min
3 A:0 Function input DE1 at EA1 exten-
sion:
No function
40:0 Function input
No function
41:10 Do not adjust
42:10 Do not adjust
51:0 Only if buffer temperature sensor
is connected:
Boiler circuit pump (output 20) al-
ways runs.
42
Possible change
3b:2
3b:3
3b:4
3b:5
3b:6
3C:1
3C:2
3C:3
3C:4
3C:5
3C:6
3d:1
to
3d:60
3 A:1
3 A:2
3 A:3
3 A:4
3 A:5
3 A:6
: 40:1
lH
40:2
51:1
51:2
External demand with set minimum
boiler water temperature.
Setting of set value in coding ad-
dress "9b" in this group.
External blocking
External blocking with fault message
Fault message input
Brief operation, DHW circulation
pump (pushbutton function).
Setting of DHW circulation pump
runtime in coding address "3d" in
this group.
Heating program - changeover
External demand with set minimum
boiler water temperature.
Setting of set value in coding ad-
dress "9b" in this group.
External blocking
External blocking with fault message
Fault message input
Brief operation, DHW circulation
pump (pushbutton function).
Setting of DHW circulation pump
runtime in coding address "3d" in
this group.
Runtime adjustable from 1 to
60 min.
Heating program - changeover
External demand with set minimum
boiler water temperature.
Setting of set value in coding ad-
dress "9b" in this group.
External blocking
External blocking with fault message
Fault message input
Brief operation, DHW circulation
pump (pushbutton function).
Setting of DHW circulation pump
runtime in coding address "3d" in
this group.
External demand
External blocking
Do not adjust
When there is demand, the boiler
circuit pump only starts if the burner
is operational.