4
3
1.2.1 Installation and Wiring of Electric Meter SM-US-200
Fig 1.4 ARO Battery Wiring Diagram
Fig 1.5 ATS-5K Wiring Diagram
Fig 1.6 ATS-11.4K Wiring Diagram
a) Meter Mounting
Ø
The meter should be mounted in a Power Distribution Box.
Ø
Mount the meter on a 35mm DIN rail.
b) CT Installation
Install the two CTs with the Arrow pointing to the LOAD.
Ø
Make sure the CT of L1 matched L1 input of the Service Panel that also match the L1 to
the inverter.
Ø
Make sure the CT of L2 matched L2 input of the Service Panel that also match the L1 to
the inverter.
c) Meter Wiring
Ø
When connecting the meter to the inverter, refer to the connection diagram below.
Fig 1.8
Fig 1.7
Fig 1.9
Ø
RS485 cables Ground, B- & A+ was installed from the left to right when facing the
meter
，
Please refer to the silk screen on the meter.
4
L 1
CT
L2
CT
3
2
1
4
3
2
1
B
-
A
+
RS485
wires
B
l
o
c
k
1
B
l
o
c
k
2
1
2
3
4
5
wires
from
AC
:
Green
/
Yellow
(
GND
)-
to
pin
5
White
(
N
)-
to
pin
3
Black
(
L2
)-
to
pin
2
Red
(
L1
)-
to
pin1
L1
L2
To the load
AC
:
CT
wires
blue
to
pin
1
,
3
brown
to
pin
2
,
4
