APsystems Microinverter QT2-208 Installation Manual 8
4. 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: we advise installation of an RCD breaker only if required by the local
electrical code.
①
. Perform all electrical installations in accordance with local electrical codes.
②
. Be aware that only qualified professionals should install and/or replace APsystems
Microinverters.
③
. 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.
④
. Be aware that installation of this equipment includes the risk of electric shock.
⑤
. Do not touch any live parts in the system, including the PV array, when the system
has been connected to the electrical grid.
Even if not required by local electrical code, we strongly recommend to install surge
protection devices in the dedicated AC box.
4.1 Additional accessories supplied by APsystems
AC Y3 Bus cable
AC Y3 Bus Cable End Cap
AC Y3 Bus Cable Y-CONN Cap
AC Y3 Bus Cable Unlock Tool
ECU
AC connectors male/female
4.2 Other required accessories not supplied by APsystems
In addition to your PV array and its associated hardware, you may need the following items:
An AC connection junction box
Mounting hardware suitable for module racking
Sockets and wrenches for mounting hardware
