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1: Heat shrink tubing
2: OT/DT terminal
6.5 DC Input Connection
The PV string will generate lethal high voltage when exposed to sunlight.
Respect all safety instructions listed in relevant documents about PV strings.
• Make sure the PV array is well insulated to the ground before connecting it to
the inverter.
• Make sure the maximum DC voltage and the maximum short circuit current of
any string never exceed inverter permitted values specified in "Technical
Parameters".
• Check and confirm the polarity correctness of the PV string, and then connect it
to the corresponding position of this product.
• When installing and operating the product, make sure that the positive or nega-
tive polarities of PV strings do not short-circuit to the ground. Otherwise, an AC
or DC short-circuit may occur, resulting in product damage. The damage
caused by this is not covered by the warranty.
6.5.1 Overview
The wiring terminals for the DC input of the inverter unit are shown in the figure below.
6 Electrical Connection System Manual
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