Viessmann EA1 - Page 16

16
B
3 2 17 6 5 4
X3X4
C
145
1 2
D
2 1 5 4 3 2 1
X3X4
aVG
X14
aVG
A
[{S
DE
[{{]
0-10V
[{A
DE
[{D
DE
+ -5 61 2 1 2 3 4
A
EA1 extension
B
■ Vitotronic control unit with
plug
aVG
■ or
KM-BUS distributor
C
Vitotronic control unit with screw
terminals for KM-BUS connection
D
Wall mounted gas condensing boil-
ers and storage combi boilers with
plug
aVG
Connecting the KM-BUS to the heat generator…
(cont.)
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