Operating instructions

17
Connections at plug 230 V~
fÖ
Power supply
lH
■ Power supply for accessories
■ External demand/blocking
■ Room temperature control unit
(remove jumper
A
when con-
necting):
– Vitotrol 100, UTA
– Vitotrol 100, UTDB
– Vitotrol 100, UTDB-RF
Connections at LV plug
X3 Plug X3 can be removed to facili-
tate installation.
!
Outside temperature sensor
?
Flow temperature sensor for
low loss header (accessories)
X4 KM BUS connection, heating cir-
cuit pump
%
Type B2HA:
Cylinder temperature sensor (part
of the DHW cylinder connection
set)
Type B2KA:
Comfort sensor (connected at the
factory)
aVG
KM BUS subscriber (accessories)
To connect several accessories,
see page 22.
■ Vitotrol 200A or 300A remote
control
■ Vitocom 100, type GSM
■ Extension kit for one heating cir-
cuit with mixer
■ Solar control module, type SM1
■ Vitosolic
■ Extension AM1
■ Extension EA1
■ Wireless base station
■ KM BUS distributor
Information on connecting
accessories
When connecting accessories
observe the separate installation
instructions provided with them.
Installation sequence
Electrical connections
(cont.)
5772 909 GB
Installation