APsystems QS1-LK Quick Installation Manual

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QS1-LK Microinverter Quick Installation Guide
The sketch of QS1 support system.
All the PV modules are placed into two lines. Then put a QS1 in the middle of the two lines and make
sure it is easy to connect with four PV modules which are next to it, as well all the cables.

Verify the grid voltage to match with microinverter rating

Step 1.

The AC bus distribution

Step 2.
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 - BROWN; N - BLUE.
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.

Attach the APsystems Microinverters to the racking

Step 3.
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 microinverter
must be reliably grounding.
d. Mark the location of the microinverter on the rack, with respect to the PV module
junction box or any other obstructions.
e. 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.

Ground the system.

Step 4.

Connect the APsystems Microinverter to AC bus cable

Step 5.
Push the microinverter AC connector to the trunk cable connector. Listen for the "Click".
Click
1
Power grid
Best Practice: Use the Bus
Cable Unlock Tool of AC
Bus to split the connectors.
2018/07/26 Rev1.0 Quick Installation Guide
grounding washer