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Connecting Multiple Units

975-0540-01-01 Revision B 2–15

This guide is for use by qualified personnel only.

Connecting Multiple Units

In a multiple-unit installation, each charge controller must be connected to a

separate PV array. See Figure 2-10. For other multiple-unit installation

considerations, see “Network Installation” on page 2–17.

CAUTION

PV ARRAY AND CHARGE CONTROLLER DAMAGE

Make sure that each charge controller is correctly connected to its own PV

array(s) and that no wires are interconnected between charge controllers.

Failure to follow these instructions can result in equipment damage.

Figure 2-10 Multiple unit DC wiring

–

––

Grounding not shown.

–





Incorrect wiring—

systems are

interconnected

Correct wiring—no

interconnection

between systems

PV Array #1 PV Array #2 PV Array #1 PV Array #2

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Schneider Electric Xantrex XW Guida di Installazione Pagina 33