Viessmann Vitodens 222-F B2TA series, Installation And Service Instructions Manual

Page: 21 / 196

21
Connections at plug 230 V~
fÖ Power supply
lH ■ Power supply for accessories
■ External demand/blocking
■ Room temperature control unit
(remove jumper B when making
this connection):
– Vitotrol 100, type UTA
– Vitotrol 100, type UTDB
– Vitotrol 100, type 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)
A Radio clock receiver
X4 KM BUS connection, variable
speed heating circuit pump (if
installed)
aVG
KM BUS subscriber (accessories)
To connect several accessories,
see page 25.
■ Vitotrol 200A or 300A remote
control
■ Vitocom 100, type GSM
■ Extension kit for one heating cir-
cuit with mixer
■ 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.
Outside temperature sensor !
For fitting the wireless outside tempera-
ture sensor (wireless accessory):
Wireless base station installation
and service instructions
Installing the boiler
Electrical connections
(cont.)
5773 216 GB
Installation