34
Cable types (on site):
■
2-core cable, CAT5, screened
■
JY(St)Y 2 x 2 x 0.8 mm (telephone cable)
Observe the requirements for cabling and operation of
the LON interface FTT 10-A.
All Viessmann appliances are connected with RJ45
plugs. The Viessmann LON always requires cores "1"
and "2" plus the screen. The cores are interchangea-
ble.
Up to 30 LON subscribers may be connected.
Note
When connecting external switching contacts and on-
site components, observe the insulation requirements
of IEC/EN 60335-1.
Connection examples
D
B
B
F
E
E
900 m
K
E
E
E
K
A
C
B
H
H
G
G
7 m
21 m
21 m
21 m
F
E
D
Fig. 29
Pos.
Designation
A
Boiler and heating circuit control unit or Vitocontrol
B
LON subscriber, e.g. heating circuit control unit
C
Vitocom or Vitogate
D
Terminator (2 pce)
Integrated into Viessmann appliances with only one LON interface
E
LON cable, 7 m long
F
LON coupling
G
LON plug-in connector (2 pce)
H
Connecting cable
K
LON socket (2 pce)
Always position LON subscribers with integrated termi-
nators at the start or end of the LON:
■
E.g. always position Vitocontrol at the start of the
LON (position
A
).
■
E.g. always position Vitocom 100, type LAN1 at the
end of the LON (position
C
).
Electrical connections
Making the LON connection
(cont.)
5863679
Installation
Содержание Vitotronic 11 CC1E
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