Chart 5.20
Chart 5.21
The recommended wiring diagram is as follows:
Note:
This diagram is an example for gird system without special requirement on electrical
wiring connection.
Note:
This diagram is an example for Australian and New Zealand gird system where neutral
line can't be switched.
SPHInverter
ACGRID
L3
L2
L1
L3
EPS OUTPUT
N
N
E
L3
L1
N
N
E
E
ATS-T
Battery
PE
PV
Electic meter
L2
L1
L3
L2
EPS Load
RCD
E
L1
L2
L3
N
L2
L1
Load
RCD
SPHInverter
ACGRID
L3
L2
L1
L3
EPS OUTPUT
N
N
E
L3
L1
N
N
E
E
ATS-T
Battery
PE
PV
Electic meter
L2
L1
L3
L2
EPS Load
RCD
E
L1
L2
L3
N
L2
L1
Load
RCD
Chart 5.22
Note:
This diagram is an example for customer who only wants to use the on grid storage
system.
Notice:
Ø
If you want to use on gird only, please refer to chart 5.17 Connect with AC grid and
float EPS OUTPUT.
Ø
If you have no battery now, you can also float BAT terminal, and this hybrid inverter
will only work like a PV inverter.
Ø
If you want to use both on gird power and backup power, please refer to chart 5.15
and 5.16.Connect with AC grid and EPS OUTPUT like the chart show.
Ø
On grid terminal and off grid terminal can't directly connect together.
Ø
Off Grid terminal can't connect to grid.
Ø
If you want to use on gird and off grid, you can use ATS (automatic transfer switch)
like chart 5.15 and 5.16 before or ask Growatt for help to connect them.
Ø
The first start of system needs Grid power.
SPHInverter
ACGRID
L3
L2
L1
N
L3
N
E
Battery
PE
PV
Electic meter
E
L1
L2
L3
N
L2
L1
Load
RCD
EPS output does not support half-wave load type devices,
such as hair dryers.
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