LG Electronics LGENBOX-01, LGxxxA1C-B3 installation instructions Wiring Diagram of AC Module System

3-5 Wiring Diagram of AC Module System

Below is a sample diagram of the AC module system.

PV Rack AC Module Trunk Cable Transition Cable

AC Junction Box

Equipment
Grounding
Conductor	General AC
	Cable

Meter

0 0 0 0 0

Installation App	Communication
	Gateway

G

N L1L2

120VACDistribution Panel

Install in the following order. For details, please refer to each chapter.

Chapter 3-6. Installing the AC Junction Box and PV Rack

Install the AC junction box and PV rack at the installation site.

Chapter 3-7. Mounting the AC module

Mount AC modules on PV rack.

Chapter 3-8. Connecting AC Module (Trunk Cable)

Connect to AC modules by using trunk cables.

Chapter 3-9. Grounding

Connect the equipment grounding conductor to the distribution panel.

Chapter 3-10. Connecting Array of AC Modules-to-Distribution Panel (General AC Cable, Transition Cable) - 240VAC, 208VAC

Connect arrays of AC modules to the distribution panel by using transition cables and general AC cables. (Wiring method depends on the voltage of the utility)

Chapter 4-2. Connecting the Communication Gateway

Connect the communication gateway to 120VAC outlet.

/PV Rack: Structure used to fix AC modules on surfaces like roofs, empty plots, etc.

/AC Junction Box: Container for electrical connections of AC cables, usually intended to conceal them from sight and prevent tampering.

/General AC Cable : AC cable, not supplied by LG, used generally for outdoor electrical installation.

/Distribution Panel : Component of an electricity supply system which divides an electrical power feed into subsidiary circuits in a common enclosure that provides a protective fuse or circuit breaker for each circuit.

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