
Electronics
AC Module System Installation Manual
Copyright © 2020 LG Electronics.
All Rights Reserved.
7
Rev. 1.0
1-3 Important Safety Instructions
• To prevent the risk of electric shock, do not touch any terminals in operation and wait for a few
minutes after turning a circuit breaker off. It may be energized in the open position.
• To prevent the risk of arcing, do not disconnect the cable connector while in operation.
• Do not contact electrically active parts of the panel, such as terminals, without appropriate safety
gear. Contact may result in lethal spark or electric shock.
• To prevent the risk of electric shock, do not touch the glass surface or frame of the solar module
after installation.
• Do not use or install AC modules if the module is broken or torn. Failure to comply may result in
electric shock.
• To prevent the risk of burns, do not touch AC modules during operation.
•
For safety, only qualified personnel with proper training and certifications should service modules.
• To prevent the risk of electric shock, stay away from any damaged modules. Do not operate the
module if you find broken glass or torn back sheets in any module.
• Removing the microinverter cover may void the warranty. No serviceable parts inside. Refer to
qualified personnel for service.
• For proper operation, make sure to use AC cables, connectors and accessories provided by LG
Electronics. Parts that are not LG parts or parts that are supplied by LG may cause critical danger.
• For proper operation, the AC module must be connected to a dedicated branch circuit.
•
To prevent the risk of fire, do not connect any device between the AC module and circuit breaker.
Circuit breaker may not work properly.
• Before installation, make sure to check that the area of location meets requirements for proper
and safe installation.
• Perform all work in dry conditions and use only dry tools. Do not handle wet panels without
appropriate protective equipment.
• Damaged modules must be treated with the appropriate protective equipment.
•
Do not approach the damaged or broken module unless you are an authorized or qualified
personnel.
• Waste, electrical parts, bolts, nuts, conductors or any other debris must be cleared after installation.
• Do not bend AC cables. While under stress, it may cause module damage. Cable bending radius
should be more than 5 times the cable diameter, at least.