Wiring and design guide
2018/08/21 Rev1.2 Quick Installation Guide
1
YC600-NA Microinverter Quick Installation Guide
Step 1. Verify the grid voltage to match with microinverter rating
Step 2. The AC bus distribution
a. The AC bus is arranged at the proper position of the microinverter.
b. One end of the AC bus access junction box into power grid.
c.
Wire the conductors of the AC bus: L - BLACK; L - RED.
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
NOTE: Do not place the microinverters (including DC and AC connectors) where exposed to the
sun, rain 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.The racking of install inverter must
be reliably grounding.
a. Mark the location of the microinverter on the rack, with respect to the PV module
junction box or any other obstructions.
b. Mount one microinverter at each of these locations using hardware recommended
by your module racking vendor.when install microinverter, grounding washer Must be facing the
racking.
Step 4. Ground the system.
Step 5.
Connect the APsystems Microinverter to AC bus cable
Push the microinverter AC connector to the trunk cable connector. Listen for the "Click".
Please scan the QR code to get
mobile app and more support
to help the installation.
Click
Best Practice: Use the Bus Cable
Unlock Tool of AC Bus to split
the connectors.
grounding washer