YC500A/I Installation/User Manual
APsystems Microinverter System Installation
A PV system using APsystems Microinverters is simple to install. Each Microinverter easily
mounts on the PV racking, directly beneath the PV module(s). Low voltage DC wires connect
from the PV module directly to the Microinverter, eliminating the risk of high DC voltage.
Installation MUST comply with local regulations and technical rules.
Special Statement!
An AC GFCI device should not be used to protect the dedicated circuit to
the APsystems microinverter even though it is an outside circuit. None of the small GFCI devices
(5mA-30 mA) are designed for back feeding and will be damaged if back feed. In a similar
manner, AC AFCIs have not been evaluated for back feeding and may be damaged if back feed
with the output of a PV inverter.
WARNING: Perform all electrical installations in accordance
with local electrical codes.
WARNING: Be aware that only qualified professionals should
install and/or replace APsystems Microinverters.
WARNING: Before installing or using an APsystems
Microinverter, please read all instructions and warnings in the
technical documents and on the APsystems Microinverter system
itself as well as on the PV array.
WARNING: Be aware that installation of this equipment
includes the risk of electric shock.
WARNING: Do not touch any live parts in the system, including
the PV array, when the system has been connected to the electrical
grid.
NOTE:
Strongly recommend to install surge protection devices
in the dedicated meter box.
Additional Installation components from APsystems
AC Extension Cable (sold separately)
AC Connector Cap (sold separately)
Bus Cable End Cap (sold separately)
Bus Cable T-CONN Cap (sold separately)
Required Parts and Tools from you
In addition to your PV array and its associated hardware, you will need the following items:
An AC connection junction box
Mounting hardware suitable for module racking
Sockets and wrenches for mounting hardware
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