6
Connection
2-core cable with a cross-section of at
least 0.75 mm; cores may be inter-
changed.
Max. cable length 50 m.
Note
Never route the cable to the
Vitotrol 300B immediately next to
230/400 V cables.
C
13c
9
A
B
4
3
2
1
145
1
2
A
Vitotrol 300B
B
2-pole plug
aVG
(control unit or KM
BUS distributor)
C
Separate room temperature sensor
NTC 10 kΩ (accessories)
Connecting several remote control units
Up to 3 Vitotrol 300B can be connected
to the Vitotronic control unit.
Vitotrol 200
and
Vitotrol 300B can be
connected together to the Vitotronic con-
trol unit.
Installation sequence
Installing and connecting the Vitotrol 300B
(cont.)
5623 681 GB