YC500I Installation/User Manual
2
Important Safety Instructions
This manual contains important instructions to follow during installation
and maintenance of the APsystems Photovoltaic Grid-connected Inverter
(Microinverter). To reduce the risk of electrical shock and ensure the safe
installation and operation of the APsystems Microinverter, the following
symbols appear throughout this document to indicate dangerous conditions
and important safety instructions.
Specifications subject to change without notice - please ensure you are using
the most recent update found at www.APsystems.com
WARNING:
This indicates a situation where failure to follow
instructions may cause a serious hardware failure or personnel
danger if not applied appropriately. Use extreme caution when
performing this task.
NOTE:
This indicates information that is important for optimized
microinverter operation. Follow these instructions closely.
Safety Instructions
Do NOT disconnect the PV module from the APsystems Microinverter
without first disconnecting the AC power.
Only qualified professionals should install and/or replace APsystems
Microinverters.
Perform all electrical installations in accordance with local electrical
codes.
Before installing or using the APsystems Microinverter, please read
all instructions and cautionary markings in the technical documents
and on the APsystems Microinverter system and the solar-array.
Be aware that the body of the APsystems Microinverter is the heat
sink and can reach a temperature of 80°C. To reduce risk of burns,
do not touch the body of the Microinverter.
Do NOT attempt to repair the APsystems Microinverter. If it fails,
contact APsystems Customer Support to obtain an RMA number and
start the replacement process. Damaging or opening the APsystems
Microinverter will void the warranty.
Caution!
The external protective earthing conductor is connected to the inverter
protective earthing terminal through AC connector.
When connecting, connect the AC connector first to ensure the inverter
earthing then do the DC connections.
When disconnecting, disconnect the AC by opening the branch circuit
breaker first but maintain the protective earthing conductor in the
branch circuit breaker connect to the inverter ,then disconnect the DC
inputs.
In any circumstance, do not connect DC input when AC connector is
unplugged.
Please install isolation switching devices on the AC side of the inverter.
WARNING
SYMBOL
NOTE
SYMBOL