28
L N
230V~ 230V~
96
40
1
L
N
2 1
145
2
1
32 1
5 4
145
40
96
20
35
100
21
A
B
Fig. 20
A
Radio clock receiver
B
Jumper
Connections to 230 V~ plugs
fÖ
Power supply
lH
■
Power supply for accessories
■
External demand/blocking
Connections to LV plugs
X3 Plug X3 can be removed to facilitate installation.
!
Outside temperature sensor
?
Flow temperature sensor for low loss header
(accessories)
A
Radio clock receiver
aVG
KM BUS subscriber (accessories)
To connect several accessories, see page 31.
■
Vitotrol 200A or 300A remote control
■
Vitocom 100, type GSM
■
Extension kit for one heating circuit with mixer
■
AM1 extension
■
EA1 extension
■
Wireless base station
■
KM BUS distributor
Information on connecting accessories
When connecting accessories observe the sep-
arate installation instructions provided with
them.
Installation sequence
Electrical connections
(cont.)
5773 238 GB
Installation
