Growatt SPH Series User Manual

5.4 Grounding connection
17
18
d)
Chart 5.8
SPH must be grounded by cable, the grounding point is showed as follow, and the
minimum grounding cable wire is AWG10.
PV Array Grounding
Grounding conductor of PV panel brackets must be firmly connected to earth at
PV array side and inverter side and SP side. The sectional area of grounding
conductor should be equal to the sectional area of DC grounding conductor. The
minimum wire is AWG10.
DC Grounding
Select the DC Grounding mode according to the local standard and use the PV
grounding terminal box and DC Grounding wires of the same specification.
Grounding Device
If the positive pole or the negative pole of PV array needs to be grounded in the PV
system, the inverter output should be insulated by Isolation Transformer. Isolation
transformer must conform to IEC62109-1,-2 standard.
Connection as below:
5.5 SPH System electrical connection
Decisive Voltage Class (DVC) indicated for ports
Port Name
AC
DC
DRMS
RS485&RS232
Class
C
C
A
A
The inverter shall be used with IEC 61730 Class A
rating PV module.
Please use the same brand male and female PV
connectors.
5.5.1 Connection of PV terminal

Growatt SPH Series Specifications

General

Type	Hybrid Inverter
Max. Input Voltage	600V
Number of MPPTs	2
Protection Rating	IP65
Output Power Range	3kW - 10kW
Rated AC Output Power	3-10 kW
Communication Interfaces	RS485, USB, Wi-Fi
Output Voltage	230 V
Frequency	50/60 Hz
Operating Temperature	-25°C to 60°C
Cooling Method	Natural Convection