Viessmann Vitocal 252-A Series - Page 84

84
Outdoor unit with 1 fan
72
2 3 4 5 6
CAN H
CAN L
GND
GN
WH
BN
High+GND LOW-
BN
WH
GN
A
Fig. 64
A
Ferrite
Colour coding to IEC 60757:
BN Brown
GN Green
WH White
Electrical connections
Indoor/outdoor unit CAN bus communication cable… (cont.)
6222080
Installation