Viessmann EA1 - Connection and Wiring Diagram

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DE1 Digital input 1
DE2 Digital input 2
DE3 Digital input 3
0 - 10 V 0 - 10 V input
fÖ
Power supply
fÖ A
Power supply for additional
accessories
aVG
KM-BUS to the control unit
aBJ
Fault message facility/feed
pump/swimming pool heating
circulation pump/DHW circula-
tion pump (potential-free)
Connection and wiring diagram
5443233