Viessmann Vitodens 200-W Installation Instructions Manual page 17

Electrical connections
Connections on 230 V~ plug
sÖ Boiler circuit pump or heating circuit
pump
■ Variable speed with 0 - 10 V con-
nection
sA Circulation pump, optional connec-
tion:
■ DHW circulation pump
■ External heating circuit pump
■ Circulation pump for cylinder
heating
fÖ Power supply
lH ■ Power supply for accessories
■ External demand/blocking
■ Vitotrol 100 UTA
■ Vitotrol 100 UTDB
■ Vitotrol 100, type UTDB-RF
Connections to LV plug
! Outside temperature sensor
? Flow temperature sensor for low
loss header (accessory)
Circulation pump at plug sÖ
High-efficiency circulation pump, speed-
controlled via 0-10 V control voltage
M
A
1~
L N
?
x4
sÖ
B
A Circulation pump
B Plug in 0 - 10 V connection at X4.
(cont.)
% Cylinder temperature sensor (part
of the DHW cylinder connection
set)
aVG KM BUS subscriber (accessory)
■ Vitotrol 200A or 300A remote
■ Vitocom 100 GSM
■ Mixer extension kit
■ Solar control module, type SM1
■ Vitosolic
■ AM1 extension
■ EA1 extension
■ Wireless base station
Information on connecting
accessories
When connecting accessories
observe the separate installation
instructions provided with them.
Rated current
Rated voltage
Note
If a multi-stage circulation pump is con-
nected: Set code 30:0 in group "Boiler/
2".
Installation sequence
control
2(1) A~
230 V ~
17