3.3 Repair product
• In order to repair, all covers must be fastened. Follow the instructions when repairing the product. Incorrect
handling can cause damage to the inverter and accidents.
• It should be tilted horizontally or vertically up to 15° within the wall, mount the floor with 6 fixing bolts on the
hard surface.
3.4 Wiring
In order for the product to operate stably and fully perform, it is necessary to pay attention to the following
regarding installation.
C
A
U
T
I
O
N
• Wiring must be done by a qualified technician.
• Before working, open the breaker on the output side and shut off the input of the PV cell.
• Make sure that the product is turned off before working.
• If the product is turned off after operation, wait about 10 minutes before wiring.
• Ground the ground terminal.
• Connect the earth terminal of the power terminal block to the earth pole(Resistance must be less
than 100[Ohm] with a wire of 4mm
3
or more.
• Do not share the ground wire with the power unit. It may cause electric shock and ground fault.
• Connect the PV input power to the input terminals (+) and (-) of the product and turn on the power.
• Connect the power supply of the system so that the phase rotation should be clockwise
• If you want to change the wiring due to an abnormal situation, perform the wiring work after the
charged voltage is completely discharged.
• When wiring, make sure that there are no wire fragments, bolts, nuts and etc. inside the product.
※
Recommended wiring standard.
Capacity
PV +,- Wiring
Ground
Load
Battery
Grid
3kW
6 SQ
4 SQ
6 SQ
25 SQ
6 SQ
5kW
6 SQ
4 SQ
6 SQ
25 SQ
6 SQ
Caution
For the grid-connected type inverters, resistance must be less than 100[Ohm].
3.5 Terminal block shape
Terminal name
Explanation
FG
Grounding terminal
PV +
Connect with (+) of PV cell
