Panasonic LJ-NA02, Installation Manual

Page: 39 / 132

39
Installation Manual
Line Configuration for the cable details.
■
Connecting the CT for Reverse Current
1) CT configuration and polarities
The CT should be wired such that the polarity of the CT terminal and the CT output lines are the same.
Use the included one-touch CT connector for connecting the CT output line and the cable.
CT
CT output
line
LOAD
side
GRID
side
Cable
For CT
connection
One-touch
connector
Black
(+)
150
Ø1
6
46.
5
31
White
(-)
2) Cable types and sizes
PVC Flexible Cable 2C 0.75 mm
2
* Please use copper wire cables.
* See 1-1 Power and Communication
3) Stripping of wire
Please strip as conductor's stripped length related as drawing.
10mm splayed twisted bent
4) Connecting
(1) Checking using a
strip gauge
(2) Push up the lever.
Do not push up all
of the levers at the
same time.
(3) Insert the wire as
deeply as possible.
(4) Push down
the lever to
establish the wire
connection.
(5) Gently pull on
each of the wires
to make sure that
they do not come
out. (Do not pull on
them too hard.)
CT
26.6
◎ CT tarminal
5) Attaching the CT for reverse current on the distribution board side
Connect the CT for reverse current to the phase line on the system side of the distribution board to which the
storage battery system is connected.
Be sure to attach the CT in the correct orientation.
PE
CT
CT
L
N1
L1
COM
PE N
Main
switch
Protection
device for
Storage
battery
system
Storage
battery
system
Switch board
(2) Connect the CT to the L side of the phase line to which the
storage battery system is connected.
(1) Match the orientation of the CT with the illustration below.
GRID side
(K)
LOAD side
(L)
* Pay extra attention when handling the 3-phase 4-wire type
as there are many phase lines leaving lots of room for
potential mistakes to be made.
GRID
* The CT has a diameter of Φ16 and its maximum current is 100 A. The CT cannot be attached to a wire with a greater diameter
or be located where it would subject to higher currents.
●
Connection Check
The power is turned OFF.
The covered insulation of the wiring is not damaged.
The cable wire types and sizes are correct.
The wires have been processed as and are connected securely.
There are no mistakes in the wiring.
The CT is attached to the correct phase line in the correct orientation.
There are no foreign objects such as scrap wires.
DRM
SYS