2017.11.30 Rev1.0
Quick Installation Guide
1
100mm
YC500I-LK Microinverter Quick Installation Guide
Step 1.
Verify the grid voltage to match with microinverter rating
Step 2.
Position the AC bus cable and install the AC branch circuit junction box
a. Install an appropriate junction box at a suitable location on the PV racking system.
b. Put one end of the AC bus cable into the branch junction box.
c. Place cable connecting to the point of utility interconnection into the branch junction box.
d. Wire the conductors
of the AC bus
: L - BROWN; N - BLUE; PE - YELLOW GREEN.
NOTE: Wiring colour code can be different according local regulation, check all the wires of the
installation before connecting to the AC bus to be sure they match.Wrong cabling can damage
irreparably the microinverters, such an issue is not covered by the warranty.
Step 3.
Attach the APsystems Microinverters to the racking or the PV module frame
NOTE:Do not place the inverters (including DC and AC connectors) where exposed to the sun, rai
n or snow, even gap between modules. Allow a minimum of 3/4’’(1.5cm.) between the roof and the
bottom of the Microinverter to allow proper air flow.
Attach to the racking
Option 1:
A
B
Option 2:
Attach to the PV module frame. Drill holes on the PV module frame before installing YC500I. Please check
with the module manufacturer the compatibilty of such installation process.
Step 4.
Connect the APsystems microinverter to AC bus cable
Best Practice: Use the Bus Cable
Unlock Tool of AC Bus to split the
connectors.
M8
M4
54
54
46
M8
(not supplied by APsystems)
Please scan the QR code to get
mobile app and more support
to help the installation.
Click
A
B
