56
Plugs
Sensor
Type
aVG
KM BUS
Connection of components on site (cores interchangea-
ble). If several of the following devices are to be connec-
ted, use a KM BUS distributor (accessory).
■ Extension kit mixer for heating circuit M2
■ Vitotrol 200A remote control (assign the heating cir-
cuits at the remote control)
■ External extension H1
■ Vitocom 100 communication interface
X31
Coding card slot
AVI PCB
Interface internal unit – external unit
Plugs
Components
F101
Fuse 1.0 AL (slow)
P202
BUS connection (12 V to external unit for type AWT-AC 221.A10 and
A13)
P203
BUS connection (43 V to external unit for type AWT-AC 221.A04 and
A07)
Note
■ Only one BUS connection should be
connected.
■ Do not interchange the BUS connec-
tion wires between the internal and
external units.
■ Route the BUS connecting cable in the
230 V~ voltage area.
Installation sequence
Electrical connection
(cont.)
5600 950 GB
