Viessmann VITOTRONIC 200 Installation And Service Instructions Manual page 48

Code 2
"General" Group
Coding in the factory set condition
50:10 Start integral threshold for external heat
source set to 10 K x min.
51:255 Shutdown integral threshold for external
heat source set to 255 K x min.
54:0 Without solar thermal system
5B:0 Without extension EA1.
5C:0
Function output aBJ at extension EA1:
central fault message.
5D:0 Function input DE1 at extension EA1:
No function.
5E:0 Function input DE2 at extension EA1:
No function.
5F:0 Function input DE3 at extension EA1:
No function.
48
(continued)
Vitotronic 200 and 300-K Installation and Service
Possible change
50:1 Start integral threshold for external heat source
to adjustable from 1 to 255 K x min.
50:255
51:1 Shutdown integral threshold for external heat source
to adjustable from 1 to 255 K x min.
51:255
54:1 With Vitosolic 100 (automatic recognition)
54:2 With Vitosolic 200 (automatic recognition)
54:3 With solar control module SM1 without auxiliary
function (automatic recognition)
54:4 With solar control module SM1 with auxiliary function,
e.g. central heating backup (automatic recognition)
5B:1 With extension EA1; automatic recognition.
5C:1 Accessories pump.
5C:2 No function.
5C:3 Heating circuit pump A1 is switched to low speed
(reduced mode).
5C:4 Heating circuit pump M2 is switched to low speed
(reduced mode).
5C:5 Heating circuit pump M3 is switched to low speed
(reduced mode).
5D:1 Heating program changeover.
5D:2 External demand with minimum set supply temperature.
Setting of the set value in coding address "9B".
5D:3 External blocking.
5D:4 External blocking with fault message.
5D:5 Fault message input.
5D:6 Brief operation, DHW circulation pump (pushbutton
function). Setting of runtime for DHW circulation pump
in coding address "12" in the "General" group.
5E:1 Heating program changeover.
5E:2 External demand with minimum set supply temperature.
Setting of the set value in coding address "9B".
5E:3 External blocking.
5E:4 External blocking with fault message.
5E:5 Fault message input.
5E:6 Brief operation, DHW circulation pump (pushbutton
function). Setting of runtime for DHW circulation pump
in coding address "12" in the "General" group.
5F:1 Heating program changeover.
5F:2 External demand with minimum set supply temperature.
Setting of the set value in coding address "9B".
5F:3 External blocking.
5F:4 External blocking with fault message.
5F:5 Fault message input.
5F:6 Brief operation, DHW circulation pump (pushbutton
function). Setting of runtime for DHW circulation pump
in coding address "12" in the "General" group.