Viessmann VITOTROL 300A - Page 8

8
Version 1
C
B B
A
15 m
15 m
4 3 2 1 4 3 2 1
A
To the control unit or to the KM BUS
distributor (see connection diagram
on page 7)
B
Vitotrol
C
Socket (on site)
■ On-site connection via socket:
Connect in accordance with the dia-
gram
■ Limit the total length of all KM BUS
cables to 50 m.
Version 2
A
B
D
C
B
15 m
15 m
4 3 2 1 4 3 2 1
A
To the control unit or to the KM BUS
distributor (see connection diagram
on page 7)
B
Vitotrol
C
Socket (on site)
D
Further BUS subscribers
■ If several remote control units and
additional KM BUS users are connec-
ted, make the connections via an on-
site socket as shown in the diagram.
■ Limit the total length of all KM BUS
cables to 50 m.
Installation sequence
Connecting several remote control units
(cont.)
5458 093 GB