EN
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737.096 | 11.37
4.4.2 Sealing the AC connection
A tamper seal can be applied to the AC connection. The tamper seal wire is
fed through the counternut of the AC socket on the inverter and through an
opening in the opposing plug. The counternut has a hole for this purpose. See the
illustration on the right.
4.4.3 Connecting the isolation transformer
If an isolation transformer is required then it must be wired as shown below. If
connection is missing, the LED illuminates red.
Reason: The inverter is not feeding the grid because it cannot monitor the isolation.
Danger
Risk of death by electrocution!
X In the illustrated wiring example the primary and secondary sides of the isola-
tion transformer are not galvanically isolated.
L1
L2
L3
N
PE
L1
L2
L3
PE
RCD
11
12
13 14 15
N
N-PE connection Inverter Residual current protection device (RCD) Isola-
tion transformer Mains grid
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