Operating instructions

88
Installation
Making the LON connection (cont.)
Connection with
H Viessmann LON cable,
H on−site cable and
H Viessmann socket
for extensions up to 900 m long
A Control unit or Vitocom
B LON cable, part no.7143495
C Terminator
(standard delivery for
Vitotronic333)
D Up to 99users and the
corresponding number of
junction boxes and cables
E Viessmann junction boxes,
part no.7171784
Note
Observe the requirements for cabling
and operation of the LON interface
FTT10A (see www.echelon.com).
F Connecting cable (on site)
Cable types:
H JY(St)Y2×2×0.8mm
(telephone cable)
H TIA568A Cat. 5 cable
Note
The Viessmann LON system always
requires the cores"1" (orange) and
"2" (orange/white) and the screen.
Cores are interchangeable.
5862730GB
E
7 m
C
B
C
7 m
B
7 m
B
7 m
B
F
A A A
max. 900 m
E
E
E
D