Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 56

Parameter
General
(cont.)
41 Function, output 157 at extension EA1
Display
Central fault message
Feed pump
DHW circulation pump
Heating circuit pump, HC 1 on low speed
Heating circuit pump, HC 2 on low speed
Heating circuit pump, HC 3 on low speed
42 Function, input DE1 at extension EA1
Display
None
Operating program changeover
External demand with set flow temperature
External blocking
External blocking with fault message
External fault message
Brief operation, DHW circulation pump
(pushbutton function)
43 Function, input DE2 at extension EA1
Display
None
Operating program changeover
External demand with set flow temperature
External blocking
External blocking with fault message
External fault message
Brief operation, DHW circulation pump
(pushbutton function)
44 Function, input DE3 at extension EA1
Display
None
Operating program changeover
External demand with set flow temperature
External blocking
External blocking with fault message
External fault message
Brief operation, DHW circulation pump
(pushbutton function)
56
Value Explanations
41:0 Displayed only if parameter "40:1" has been set.
41:1
41:2
41:3
41:4
41:5
Value Explanations
42:0 Displayed only if parameter "40:1" has been set.
42:1
42:2
42:3
42:4
42:5
42:6
Value Explanations
43:0 Displayed only if parameter "40:1" has been set.
43:1
43:2
43:3
43:4
43:5
43:6
Value Explanations
44:0 Displayed only if parameter "40:1" has been set.
44:1
44:2
44:3
44:4
44:5
44:6