Omron KP100L-OD - 12-2010 - Connecting to the Grid

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2 Design
Grid Connect Photovoltaic Inverte KP100L-OD-USER’S MANUAL
2-6 Connecting to the Grid
2
2-6 Connecting to the Grid
Wiring the KP100L to the Grid
The AC connection unit is an interface between the KP100L and the grid. It may consist of an electrical breaker,
fuse and terminals for connection to both the KP100L and the grid. This AC connection unit must be designed by
qualified technician to comply with local safety standards.
Use a 20 A trip AC breaker.
Preliminary Confirmations
Check the following items before wiring.
No. Inspection Item Procedure, Measurement or Confirmation Checkmark
1
Solar module installation
condition
Visual confirmation:
Refer to the technical manual for the solar modules.
2
KP100L installation condition Visual confirmation:
Make sure none of the mounting screws are loose.
Make sure that the KP100L and the mounting base plate are
securely fixed with the mounting screws.
3
Wiring, connection, and
conductivity
Visual confirmation:
Inspect for looseness in clamps and screws, proper wire
connection, and conductivity.
4
KP100L ground resistance Measurement confirmation:
Standard: 100max.
KP100L actual measurement:

AC cable
(4mm2 or AWG12)
AC connection
(Consisting of
Ground fault breaker,
AC breaker, SPD, terminals etc.)
Grid