Installation
13
• The open-circuit voltage and short-circuit current of PV string should not exceed
the reasonable range of the inverters.
• The isolation resistance between PV string and ground should exceed 300 kΩ.
• The polarity of PV strings are correct.
• Use the DC plugs in the accessory.
• The lightning protector should be equipped between PV string and inverter.
• Disconnect all of the PV (DC) switch during wiring.
4.3.1 PV Conne
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on
The AF-SL series hybrid inverter has one/two MPPT channels, can be connected
with one/two strings of PV panels. Please make sure below requirements are
followed before connecting PV panels and strings to the inverter:
Step 1
Note:
PV cable suggestion
Cross-section
4mm²
Warning:
The fatal high voltage may on the DC side, please comply with
electric safety when connecting.
Please make sure the correct polarity of the cable connected with
inverter, otherwise inverter could be damaged.