AUSTEM ESS 3kW Installation & Operation Manual - Page 7

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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.

• 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

• 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

3kW

5kW

For the grid-connected type inverters, resistance must be less than 100[Ohm].

Caution

3.5 Terminal block shape

Terminal name

Grounding terminal

Connect with (+) of PV cell

PV +

or more.

Ground

6 SQ

4 SQ

6 SQ

4 SQ

Load

Battery

6 SQ

25 SQ

6 SQ

25 SQ

Explanation

Grid

6 SQ