Layout Of The Electrical Connections - Viessmann VITODENS 200-W Installation And Service Instructions For Contractors

Installation sequence
Electrical connections

Layout of the electrical connections

Note
For further information on the connections, see the fol-
lowing chapters.
A B
40 156 156
Fig. 14
Connections to 230 V~ plugs
Power supply
fÖ
Configurable input 230 V, potential free
lH
Output 230 V
Switched power outlet
aBH
P1 Output 230 V for:
Circulation pump for cylinder heating or heating
circuit pump for heating circuit without mixer
P2 Output 230 V for:
Heating circuit pump for heating circuit without
mixer or DHW circulation pump
BCU burner control unit power supply (connected
A
in the delivered condition)
Power supply for accessories
B
External plug on underside of appliance (see also
C
following diagram)
24
(cont.)
M M
1~ 1~
P1 P2 96
6 5 4 3 2 1
C
6 5 4 3 2 1
74 5 1
Connections to extra low voltage (ELV) plugs
Outside temperature sensor
!
Terminals 1 and 2 on external plug
Cylinder temperature sensor
%
Terminals 3 and 4 on external plug
PlusBus
jF
Terminals 5 and 6 on external plug
CAN bus
lA
Information on connecting accessories
When connecting accessories observe the sep-
arate installation instructions provided with
them.
91 91
C
C
C