63
Installation Manual
3.3.5.4. GRID CONNECTIONS
Inverter / Grid
On-Grid Connection
An external AC breaker is needed for on-grid connection to isolated
from grid when necessary. Specifications of AC breaker used for
different inverter model are advised. Read the following table and local
requirement before selecting a suitable AC breaker.
Note: The absence of AC breaker will lead to inverter damage if an
electrical short circuit happens on grid side.
Model Number
AC-Grid "Breaker" Specification (A)
PP2-AC or DC-5000-10/15/20
30A Max.
PP2-AC or DC-6000-10/15/20
30A Max.
PP2-AC or DC-7000-10/15/20
35A Max.
PP2-AC or DC-7600-10/15/20
40A Max.
PP2-AC or DC-8600-10/15/20
40A Max.
PP2-AC or DC-9600-10/15/20
50A Max.
CAUTION:
Make sure the inverter is totally isolated from
any DC or AC power before connecting AC cable.
An external AC breaker is needed for on-grid connection
to isolate from grid when necessary and protect from over
current. Note maximum AC current in table below. Use AC
copper wiring per local codes. Do not use aluminum cables.
Item
PV Wire
Description
Value
A
Conductor core
Min. 12 AWG
Max. 6 AWG
B
Conductor core
length
18mm
C
Outside
Diameter
Max 7.4mm
