·
19
·
6.2 Cable Selection for Electrical Connection
User can select cables for electrical connection according to the following
specifications.
Inverter
Cable range
（
AWG
）
Cable recommended
（
AWG
）
DC side
AC side
DC side
AC side
PV+,PV-
U
、
V
、
W
R
、
S
、
T
PE
PV+,PV-
U
、
V
、
W
R
、
S
、
T
PE
JNP11KH-V4
12
8
10
12
8
10
JNP15KH-V4
12
8
10
12
8
10
JNP18K5H-V4
12
8
10
12
8
10
6.3 AC Side Electrical Connection
Step1:
Connecting of the wire of the connector:
Operation Instruction
Operation Demonstration
1. The AC IN contains four cable, each has a line
mark(R
、
S
、
T
、
PE), Respectively connected to the
grid cable.
2. The motor contains three cable, each has a line
mark(U
、
V
、
W), Respectively connected to the
motor cable.
Notice
！
The phase sequence of AC pump and inverter should be corresponding, and if
connection error occurs, there will be no water output or only with small water flow.
Phase sequence
’s connection is right or not shall be inspected when it’s trial running
for the first time.
