Avi Pcb (Only Vitocal 200-S) - Viessmann VITOTRONIC 200 Service Instructions Manual

PCBs and connection options

AVI PCB (only Vitocal 200-S)

Interface internal unit – external unit
LED1 ODU-AVI COMM:
Communication active: AVI PCB
(P202 or P203) with refrigerant
circuit control, external unit
Connections/Terminals
Plug Components
F101 Fuse 0.2 AL (slow)
P102 Power supply 230 V~ (factory connection)
Note
Observe order of contact assignment PE ("Earth"), N, L.
P202 BUS connection (12 V–) to the external unit 10/13 kW
Note
■ Only one BUS connection must be connected.
■ These cores must not be interchanged.
176
LED2 IDU-AVI COMM:
Communication active: AVI PCB
(P501) with controller and sensor
PCB (KM BUS)