SolarV EPEVER UPower-Hi Serie Betriebsanleitung Seite 71

Since the PV array's output current varies with the type, connection method, or sunlight
angle, its minimum wire size can be calculated by the short circuit current (ISC). Please refer
to the ISC value in the PV module's specifications. When the PV modules are connected in
series, the total ISC equals any PV module's ISC. When the PV modules are connected in
parallel, the total ISC equals all PV modules' ISC. Please refer to the table below:
Model
UP2000-HM6021
UP2000-HM6022
UP3000-HM5041
UP3000-HM5042
UP3000-HM8041
UP3000-HM10021
UP3000-HM10022
UP5000-HM8042

Making the connection wire of the PV module:
Step1: Each MC4 male terminal and female terminal 1pcs (included accessories)
Step2: PV module positive and negative connection wires 2 pcs (red +, black -). The wire
length is determined according to the customer's actual requirement.
Step3: Strip one end of the PV module positive wire for about 5mm, and press the
exposed wire to the inner core of the MC4 male terminal, as shown below:
Step4: Tightly press the copper wire and the MC4 male terminal's inner core with a plier and
ensure the connection is secure.
Step5: Unscrew the nut of the MC4 male terminal, insert the inner core into the MC4
terminal, and screw the nut.
Step6: Strip one end of the PV module negative wire for about 5mm, and press the
exposed wire to the inner core of the MC4 female head, as shown below:
Step7: Tightly press the copper wire and the MC4 female head's inner core with a plier and
ensure the connection is secure.
Step8: Unscrew the nut of the MC4 female terminal, insert the inner core into the MC4
terminal, and screw the nut.
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PV wire size
2
6mm /9AWG
2
4mm /11AWG
2
6mm /9AWG
2
6mm /9AWG
2
10mm /7AWG
2
6mm /9AWG
2
6mm /9AWG
2
6mm /9AWG
12
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Circuit breaker
2P—40A
2P—25A
2P—40A
2P—40A
2P—50A
2P—40A
2P—40A
2P—40A
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