
AC Module System Installation Manual
Rev. 1.0
46
Copyright © 2017 LG Electronics.
All Rights Reserved.
•
Plan the installation work in moderate weather. There is a risk of electric shock when it is raining
or snowing.
•
To prevent the risk of accidents, use proper PPE (Personnel Protective Equipment) including
helmets and globes at all times.
•
If installation location is high above ground, make sure to use Fall Protection System during the
installation.
•
For safety, only qualified personnel should service the work.
3-15 Energize the installed AC module system
Distribution panel
AC junction box
An array of AC modules
2-pole
20A
Meter
N L1 L2
G
A,F
A. Make sure that the branch circuit breaker is initially turned off.
B. Check whether all of AC cable connectors are properly engaged. Refer to 3-8 Coupling AC
cable connectors and 3-9 Building an array of AC modules.
C. Confirm that the last AC module’s cable connector is appropriately sealed with an end cap.
D. Ensure grounding wire connects all of AC module running to grounded distribution panel.
Refer to 3-11 Grounding.
E. Engage the AC cable connector of the last AC module with connector of the transition cable
which can be manually made from an extension cable.
F. Turn on the circuit breaker. After approximately within 6 min., the AC module system will be
producing power if sunlight is sufficient.
B
B
C
E
D