Installation
23
Install
ation
2
CAUTION
y
The electrical installation of these PCS and battery must only be performed by electricians or
technicians, qualified to install PCS and battery.
y
When removing the cover, make sure not to damage connection components.
y
After connecting the normal and backup load to the corresponding terminals of ATS, check if
electricity is supplied properly whether the grid alive or outage.
y
Refer to the ATS BOX manual at the following site for detailed information on installing ATS
BOX.
https://enwitec.eu/
Connection Diagram
L1 L2 L3 N
3
Φ
Power
Meter
3
Φ
Energy
Meter
B
A
L1
L2
L3
N
LG ESS PCS
1
2
3
N
Grid
ATS
Comm.
B
A
M
et
er
Load Output
L1 L2 L3 N
La
n
Et
he
rn
et
U
SB
U
SB
o
r D
on
gl
e
PV1+ PV1- PV2+ PV2-
PV3+ PV3-
PV
PV1+
PV1-
PV2+
PV2-
PV3+
PV3-
PV Array
#1
PV Array
#2
PV Array
#3
Ci
rc
ui
t
Br
ea
ke
r
PE
PCS
Batt
N
L3
L2
L1
N
L3
L2
L1
+ -
Battery2
BMS2
Battery 2
Ba
tt2 +
Ba
tt2 -
Ba
tt1 +
Ba
tt1 -
BM
S 2
PE
Battery1
BMS 1
Battery 1
BM
S 1
PE
ATS
Critical Load
Output
Ci
rc
ui
t
Br
ea
ke
r
GRID
L1 L2 L3 N
L1 L2 L3 N
+ -