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Ingeteam Energy, S.A.
The Ingecon® Sun Power Max NAC (without AC cabinet) units have as many three-phase non-grounded outputs with
no neutral not related to each other as electronics blocks, i.e., 1, 2, 3 or 4. They should be connected using an IT
scheme. Each three-phase feed comprises three 275 V or 220 V bimetallic terminals, depending on the model, and
up to 368 A. These comprise an M16 stud ring terminal for cable up to 300 mm2 or double cable up to 240 mm2.
Each feed is under its respective electronic block.
5.4.13. Connecting to the PV array
The cables for connecting the unit to the PV array enter through the conical glands in the base.
Before any handling, check that there is no electrical hazard in the voltage input from the PV array.
Never forget that whenever they receive solar radiation, the panels' terminals generate voltage.
The inverter can therefore have voltages of up to 900 volts even when not connected to the grid.
When checking that there is no voltage, wearing dielectric gloves and safety goggles approved for
electrical hazards is required.
CAUTION
Connect the positive pole of the panel series to the terminals marked
the terminals marked
If the distance between the inverter and the PV array connection point requires the use of longer cables, an external
distribution box must be used close to the inverter to make this connection.
The units have as many independent PV array input plates as electronic blocks. The following figures show the
arrangement of plates in each model of the range:
54
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Installation manual
, and the negative pole to
AAV2000IKI01
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