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Solarpower24.it by Barba S.r.l. – via Locchi, 3F – 47122-Forlì – Italia
Tel/What’s up +39 05431995799 – web www.solarpower24.it – email solarpower24@solarpower24.it
Step 4: Check correct polarity of connection cable from PV modules and PV input connectors. Then, connect
positive pole (+) of connection cable to positive pole (+) of PV input connector. Connect negative pole (-) of
connection cable to negative pole (-) of PV input connector.
WARNING! For safety and efficiency, it's very important to use appropriate cables for PV module connection.
To reduce risk of injury, please use the proper cable size as recommended below.
Conductor cross-section (mm
2
) AWG no.
4~6 10~12
Recommended Panel Configuration
When selecting proper PV modules, please be sure to consider the following parameters:
1. Open circuit Voltage (Voc) of PV modules not to exceed maximum PV array open circuit voltage of the
inverter.
2. Open circuit Voltage (Voc) of PV modules should be higher than the start-up voltage.
INVERTER MODEL
8KW
Max. PV Array Power
8000W
Max. PV Array Open Circuit Voltage
500Vdc
PV Array MPPT Voltage Range
90Vdc~450Vdc
Start-up Voltage (Voc)
80Vdc
Recommended solar panel configuration:
Solar Panel Spec.
(reference)
- 250Wp
- Vmp: 30.7Vdc
- Imp: 8.3A
- Voc: 37.7Vdc
- Isc: 8.4A
- Cells: 60
SOLAR INPUT 1 SOLAR INPUT 2
Q'ty of
panels
Total Input
Power
Min in series: 4pcs, per input
Max. in series: 12pcs, per input
4pcs in series x 4pcs 1000W
x 4pcs in series 4pcs 1000W
12pcs in series x 12pcs 3000W
x 12pcs in series 12pcs 3000W
6pcs in series 6pcs in series 12pcs 3000W
6pcs in series, 2 strings x 12pcs 3000W
x 6pcs in series, 2 strings 12pcs 3000W
8pcs in series, 2 strings x 16pcs 4000W
x 8pcs in series, 2 strings 16pcs 4000W
9pcs in series, 1 string 9pcs in series, 1 string 18pcs 4500W
10pcs in series, 1 string 10pcs in series, 1 string 20pcs 5000W
12pcs in series, 1 string 12pcs in series, 1 string 24pcs 6000W
6pcs in series, 2 strings 6pcs in series, 2 strings 24pcs 6000W
7pcs in series, 2 strings 7pcs in series, 2 strings 28pcs 7000W
8pcs in series, 2 strings 8pcs in series, 2 strings 32pcs 8000W
CAUTION: Never directly touch the terminals of inverter. It might cause lethal electric shock.
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