AC Module System Installation Manual
Rev. 1.0
Note and comply with the safety guidelines of this manual while handling AC modules. Failure to
comply may result in severe damage to the equipment and/or fatal injuries.
Safety symbols are used to prevent property losses and human life damages during the
operation of this equipment.
1 Safety
1-1 Safety Symbol
Circuit symbols are used to describe the AC module circuit in this manual
Circuit symbol
Description
DC current supply. Generated from PV module.
AC current supply. Generated from utility and micro inverter. Used in electric
appliances.
Symbol representing the phase of AC current. Mark the number in front of this sy
mbol to represent the number of phases.
Equipment Grounding Conductor (EGC). Conductor connecting normally non–
current carrying metal parts of equipment together.
Grounding Electrode Conductor (GEC). Conductor connecting EGC and neutral
conductor to the ground for grounding.
1-2 Circuit Symbol
Safety Symbol
Description
Failure to comply with the instructions may cause a severe injury or immediate
death.
Failure to comply with the instructions may cause death or severe injury.
Failure to comply with the instructions may cause injury or property damage.
Failure to comply with the instructions may cause a severe injury or immediate
death caused by electricity.
Failure to comply with the instructions may cause injury or property damage
caused by fire.
5
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