Operating instructions

87
Installation
Making the LON connection
The Viessmann LON system is designed for "Line" BUS topology, i.e. with
terminators at both ends.
Connection with Viessmann LON cable
A Control unit or Vitocom
B LON cable
C Terminator
Connection with
H Viessmann LON cable and
H Viessmann LON coupling
A Control unit or Vitocom
B LON cable (max. 3 cables
between 2 devices)
C Terminator
D LON coupling
5862730GB
7 m7 m
C
BB
C
A A A
7 m
C
B
C
7 m
B
D
7 m
B
D
7 m
B
DD
7 m
B
A A A
7 m
B