51
Plug
Sensor
Type
F7
(X6.1/X6.3)
Cylinder temperature sensor, bottom; connect on site
Pt 500
(PTC)
F13
Flow temperature sensor, system (with sensor well,
downstream of heating water buffer cylinder); connect on
site
Pt 500
(PTC)
F14
Flow temperature sensor, cooling circuit (direct heating
circuit A1/HC1 or separate cooling circuit); connect on
site
Ni 500
(PTC)
F16
Room temperature sensor for separate cooling circuit
(required) or for direct heating/cooling circuit (recommen-
ded); connect on site
Ni 500
(PTC)
F20
(X6.8/X6.9)
Boiler water temperature sensor, external heat source;
connect on site
Pt 500
(PTC)
aVG
KM BUS
Connection of components on site (cores interchangea-
ble). If several of the following appliances are connected,
use KM BUS distributor (accessory).
■ Extension kit for one heating circuit with mixer M2/HC2
■ 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
Plug
Components
F101
Fuse 1.0 AL (slow)
P202
BUS connection (12 V) to the external unit (type AWB/AWB-AC
201.A10 and 201.A13)
P203
BUS connection (43 V) to the external unit (type AWB/AWB-AC
201.A04 and 201.A07)
Installation sequence
Electrical connections
(cont.)
5601 429 GB
Installation
