Internal Unit: Avi Pcb; External Unit: Overview Of Connections - Viessmann Vitocal 200-S Installation And Service Instructions Manual

Electrical connection

Internal unit: AVI PCB

Interface internal unit external unit
–
Plug Component
F101 Fuse 1.0 A (slow L)
P202 BUS connection (12 V to external unit (type AWB/AWB-AC 201.B10/B13, 201.C10 to
C16)
P203 BUS connection (43 V) to the external unit (type AWB/AWB-AC 201.B04 to B07)
Note
Only one BUS connection should be connected.
■
■ Do not interchange the BUS connection wires
between the internal and external units.
■ Route the BUS connecting cable in the 230 V~ volt-
age area.

External unit: Overview of connections

Opening external unit wiring chamber
Type AWB/AWB-AC
201.B04
A
Fig. 25
Wiring chamber:
A
BUS connection to the internal unit
■
Note
Do not interchange the BUS connection wires
between the internal and external units.
■ Compressor power supply
(cont.)
201.B05/B07
A
Fig. 26
Installation sequence
201.B10/B13/C10/C13/C16
A
Fig. 27
33