3.3
DC
Filter
U
(5)
3.4
Transformerless central inverter
Block diagram
Display
(1)
DC-
ISO
(4)
(1) Display
(2) EMC filter
(3) AC filter
(4) DC insulation monitoring
(5) DC filter
Interior view
Depending on the revision status of the central inverter in question, the
interior structure of the device may differ from that shown in the following
diagram. The layout is basically the same.
Operating manual
3 Technical description
1
~
230 V
U
µC
AC-
Filter
(3)
U
EMV-
Filter
(2)
25