Viessmann Vitodens 222-F Installation And Service Instructions For Contractors page 19

Electrical connections
145
2 1
Fig. 12
Connections to 230 V~ plugs
Power cable already connected.
fÖ
■ Power supply for accessories
lH
■ 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)
Radio clock receiver
A
X14 KM-BUS subscriber (accessories)
aVG
■ Vitotrol 200-A or Vitotrol 300-A remote control
■ Vitocom 100, type GSM
■ Mixer extension kit
■ AM1 extension
EA1 extension
■
Wireless base station
■
KM-BUS distributor
■
X21 CO limiter (accessories)
(cont.)
A
2
1
5 4 3 2 1
100 35 21 21
96
40
230V~ 230V~
L N
N L 1
B
20 20 96 40
Information on connecting accessories
When connecting accessories observe the sep-
arate installation instructions provided with
them.
Installing the boiler
19