External Unit: Overview Of Connections; Connecting Internal And External Units - Viessmann VITOCAL 200-S Installation And Service Instructions Manual

Electrical connection

External unit: Overview of connections

Opening the external unit wiring chamber
Type AWB/AWB-AC
201.B04
A
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
■

Connecting internal and external units

230 V~
Type AWB/AWB-AC
201.B04
C N L ?
A
B
C
12V COM COM 43V
(cont.)
201.B07
A
201.B07
Ni Li
? COM
A
B
C
12VCOM COM43V
201.B10/B13, 201.C10/C13
201.B10 and B13
N L
?
0 0
C2 C1
12VCOM COM43V
Installation sequence
A
N L ? N L
?
A
B
C
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