Electrical Connections - Viessmann Vitodens 200 WB2 Installation Instructions Manual

Control unit

Electrical connections

Overview of electrical connections and plug-in connectors
A Low voltage
B Mains voltage
C M clock thermostat
D WS/RS remote control unit
E F clock thermostat
F External changeover of the heat
ing program/External request
G Central fault indicator
*1
The connection extension adaptor, Part No. 7404 582, is required for connection purposes. Direct connection is not permissible.
10
5862130G - page 10 (Black)
Screen angle and frequency: 45.0000, <default>
A
X3 X4 X5
1 2 3
1 2 3 4 1 2 3 4
C E G K N
D F H L O
M
H A clock thermostat
K DHW circulation pump
L Extension kit for heating circuit
with mixing valve
M Dekamatik HK
N Solartrol
O Vitocom
*1
P Wall mounting fixture
Notes on connection of accessories
For details of the other installation steps involved, please refer also
to the separate installation instructions provided with the accessories
concerned.
Accessories or switch contacts which are connected to the same contacts of a
connector can only be used as alternative facilities.
X6 X7 X2
L
1 2 3 4 1 2 3 4 1 2 3
P T U V
R
S
R External blocking
*1
S Outdoor temperature sensor
T Cylinder temperature sensor
U External safety valve for LPG/inter
locking of exhaust air units
V Mains connection for accessories
(230 V~ 50 Hz)
W Mains connection (230 V~ 50 Hz)
B
N N L
W
*1