Operating instructions

39
Plug aVH
EA1 extension
146
A
B
2 31
A
Floating contact
B Plug aVH of the control unit
B
[{S
DE
[{D
DE
[{A
DE
A
A
Floating contact
B
EA1 extension
Codes
Plug aVH
EA1 extension
No coding required. Set "5d" (DE1), "5E" (DE2) or "5F" (DE3)
in the "General" group to 2.
External demand via 0 – 10 V input
Connection at input 0 – 10 V to EA1
extension (accessory, see page 196).
Note
Ensure DC separation between the earth
conductor and the negative pole of the
on-site voltage source.
U
+
L
N
L
N
S
P
aBJ
Ö
[{{]
0-10V
f-]
A
+ -
Installation, Vitotronic 300-K
External demand via switching contact
(cont.)
5815 091 GB
Installation