Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual page 69

Making the LON connection
Connection with
Viessmann LON cable,
on-site cable for extensions up to 900 m / 3000 ft.
A
E
C
7 m / 23 ft
B
F
A Control unit or Vitocom
B LON cable, part no. 7143 495
C End of line resistor (standard
delivery of Vitotronic 300-K,
MW1S)
D Up to 99 participants and the
corresponding number of junction
boxes and cables
E Junction box
F Connecting cable (on site)
(cont.)
A
E
7 m / 23 ft
7 m / 23 ft
B B
max. 900 m / 3000 ft.
Please note:
The Viessmann LON system always
requires the two wires and shielding.
Wires are interchangeable.
Observe the requirements for cabling
and operation of the LON interface
FTT-10A (see www.echelon.com).
E E
7 m / 23 ft
B
D
Installation – Vitotronic 300-K, MW1S
A
C
69