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2.3.5 Grounding the PV INVERTER
DANGER
High touch current, earth connection essential before connecting supply
The PV INVERTER complies with the local requirements for grounding the PV INVERTER.
Q CELLS recommends connecting and grounding the PV INVERTER's frame and other electricity
conducting surfaces in such a way that there is continuous conduction in order to achieve maximum
protection for systems and persons. And the PV INVERTER's DC (+) pole and DC (-) pole are not
permitted to be grounded.
* Double Grounding Point
Q.HOME
ESS HYB-G2 must be connected to an additional ground on the enclosure.
+
The grounding method on the enclosure is as follows :
• Bolts : SJ60-00126A
• SCREW-MACHINE : PH, +, WSP, M4, L12, NTR, SUS304
• Torque for fastening bolts : 1.2 - 1.8 Nm
7-8 mm
10
6 mm
2
[ Figure 2-9 : Ring terminal (10R6-4) ]
2.4 Earth Fault Alarm
When an earth fault occurs, the inverter stops operation and notifies earth fault code to the installer and administrator.
Note: This feature is only supported on models released in Australia.
20
[ Figure 2-8 : Work on the ring terminal ]
10 mm
4 mm
[ Figure 2-10 : Double Grounding Point of
Q.HOME
ESS HYB-G2 ]
+
I
12
Safety
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