Viessmann Vitodens 222-F Installation And Service Instructions For Contractors page 65

General
(cont.)
"Function, output A1 at extension AM1"
Setting
DHW circulation pump
Heating circuit pump, heating circuit without
mixer A1 (heating circuit 1)
Circulation pump for cylinder heating
"Function output, A2 at extension AM1"
Setting
DHW circulation pump
Heating circuit pump, heating circuit without
mixer A1 (heating circuit 1)
Circulation pump for cylinder heating
"Extension EA1"
Setting
Without
With
"Function, output 157 at extension EA1"
Setting
Central fault message
Feed pump
DHW circulation pump
"Function, input DE1 at extension EA1"
Setting
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)
"Function, input DE2 at EA1 extension"
Setting
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)
Explanations
33:0
33:1
33:2
Explanations
34:0
34:1
34:2
Explanations
35:0
35:1 Value is set automatically upon detection
Explanations
36:0
36:1
36:2
Explanations
3A:0
3A:1
3A:2 Set flow temperature setting: Parameter 9b
Internal circulation pump function: Parameter 3F
3A:3 Internal circulation pump function: Parameter 3E
3A:4 Internal circulation pump function: Parameter 3E
3A:5 Fault message hook-up from external appliances
3A:6 Adjusting DHW circulation pump runtime: Parameter
3d
Explanations
3B:0
3B:1
3B:2 Set flow temperature setting: parameter 9B
Internal circulation pump function: parameter 3F
3B:3 Internal circulation pump function: parameter 3E
3B:4 Internal circulation pump function: parameter 3E
3B:5 Fault message hook-up from external devices
3B:6 DHW circulation pump runtime setting: parameter 3D
Parameter level 2
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