1 Installation
Part 1
Installation
Part 2
Electrical Connection
A
Check Packing List
User
Manual
Wall-mounting bracket
PV Terminal
Monitoring device 1pcs
3m battery communication cable 1pcs
Battery terminal 1
pairs
Meter with 3 CTs 1
pairs
PE terminal 1pcs
COM2 connector set 1pcs
Expansion plug set
M5 screws
ON-GRID
BACK
-UP
On-grid connector set (Red) 1pcs
1pcs
5pcs
1pcs
Inverter 1pcs
4.0K-25A-3P 2
pairs
/ 10K-40A-3P 4
pairs
Back-up connector set (Black) 1pcs
10m meter communication cable 1pcs
C
Installation Space
300mm
500mm
500mm
300mm
E
Mark the position and drill holes
F
Fix wall bracket
G
Mounting inverter
H
Grounding terminal connection
Part 1
Installation
Part 2
Electrical Connection
Part 1
Installation
Part 2
Electrical Connection
D
Monitoring Device Installation
E
Meter and CT connection
UTILITY
GRID
L1
L2
L3
N
PE
C
AC Connection
Allen Key
50mm
8mm
①
④
User guide 3pcs
B
Installation Location
D
Installation Angle
2 Electrical Connection
A
Cable Requirements
Cable types
Cable requirements
Outside diameter Conductor core section
AC cable
PV cable
Battery power cable
13.0-18.0 mm
5.9-8.8 mm
5.0-8.0 mm
2.5-10.0 mm²
2.5-4.0 mm²
10 mm²
Part 1
Installation
Part 2
Electrical Connection
B
Electrical wiring diagram
AC Connector:
Please distinguish the on-grid and back-up connector, On-grid connector is red
and Back-up connector is Black.
Battery power cable:
If the conductor core of the battery cable is too small, which may cause poor
contact between the terminal and the cable, please use the cable specified in the above table, or
contact Wattsonic to purchase terminals of other specifications.
CT-2
CT-3
CT-1
L1
L2
L3
N
N
L
S2
S1
S2
S1
S2
S1
002456
UTILITY METER
FOR BILLING
PURPOSES
CT-2
CT-3
CT-1
S1(Red)
S2(Black)
AC Br
eak
er
AC Br
eak
er
Solint
eg Smart
Met
er
To Solinteg
Meter
House
Grid
The direction of the arrow is
consistent with the direction of
the arrow inside the CT.
②
ON-GRID
P
E
N
L
3
L
2
L
1
UTILIT
Y
GRID
S1(
Re
d)
S2(Yellow)
002456
UTILIT
Y
METE
R
FOR BILLING
PURPOSES
CT
-3
CT
-2
CT
-1
Lo
ad
s
AC
B
re
ak
er
AC
B
re
ak
er
To
Solinteg Mete
r
AC Breaker
AC Breaker
AC Breaker
PV
Modul
es
3-Phase
Lo
ad
s
1-Phase
Lo
ad
s
Wattsonic Smart Meter
To Wattsonic Meter
③
S1(Red)
S2(Yellow)
Quick Installation Guide
Wattsonic Gen3 Hybrid Inverter
4/5/6/8/10/12KW-25A-3P
10/12/15/20KW-40A-3P
