JALpower D-NS SERIES User Manual - page 5
05
06
3.4 Electrical Connection
3.4.1 Connection to grid (AC side Connection)
There are two AC connector brands for NS 3.6kW~5kW & D-NS 3kW~5kW inverter, VACONN and WIELAND. Please refer to Figure
3.4.1-2.
10mm
fasten screw cap clockwise
Fastening three screws
to ensure each screw head
is not exceeding the surface
Figure
3.4.1-2
fasten screw cap clockwise
VACONN
Series
WIELAND
Series
Installation instruction of VACONN series please refer to Figure 3.4.1-3.
Figure
3.4.1-3
In
ve
rt
e
r
(
1) Check the grid voltage and frequency if it can comply with the required voltage and frequency of inverter connection.
(
2) Add breaker or fuse to AC side, the specification should be more than 1.25
times of rated AC output current.
(
3)
The
PE
line
of
inverter
should
be
connected
to
the
earth
,
make
sure the impedance of neutral wire and earth wire
less than 10 ohm.
(
4)
Disconnect the breaker or fuse between the inverter and the utility.
(
5
)
Connect the inverter to the grid as follows:
Figure
3.3
.
2-6
Figure
3.3
.
2-7
Figure
3.3
.
2-4
Figure
3.3
.
2-5
Put the
AC cable through the components in this order: screw cap, one-hole sealing ring, insulation body and sheet metal parts.
Installation method of NS Series 1-3KW please refer to Figure3.4.1-1.
Figure
3.4.1-1
Make
sure
the
cable
is
connected
well
and
can
'
t
be
plugged
out
after
connecting
with
AC
terminals
.
Screwdriver
T
he
Insulator
AC
output
board
AC
wire
M3X8
screw
AC
connector
Single
hole
seal
ring
Screw
cap
Description
O
.
D
Conductor Material
O
.
D
Wire Length
Bare Wire Length
Terminal
Value
Max 12mm
2.2~2
.
7mm
25mm
12mm
Grade
A
B
C
D
E
Figure
3.4.1-5
A
D
Cable specification of NS 1kW~3kW AC side is showed as Figure 3.4.1-5.
A
B
E
C
10mm
In
ve
rt
e
r
Installation instruction of WIELAND series please refer to Figure 3.4.1-4.
Figure
3.4.1-4
fasten screw cap clockwise
Fastening three screws
to ensure each screw head
is not exceeding the surface