Step 8. Connect Apsystems Microinverters To Grid; Step 9. Ac Extension Cable; Step 10. Complete The Apsystems Installation Map - APsystems QT2 Quick Installation Manual

Step 7. Place the PV modules and connect each QT2 to the PV modules
NOTE: Remove the DC
connector caps before PV
modules connection.
X

Step 8. Connect APsystems Microinverters to Grid

Please install bi-polar circuit breakers
a.
with proper rated current or according
to the local regulation, which are
mandatory to connect to grid.
Leakage current breakers or AFCI/GFCI
b.
breakers are not recommended to
install.

Step 9. AC Extension Cable

When AC extension cable is needed,
users could connect the AC bus cable
and AC extension cable in a junction box
or use a pair of male/female AC
connectors that APsystems provides as
optional accessory.

Step 10. Complete the APsystems installation map

a. Each APsystems Microinverter has 2
removable serial number labels.
b. Complete installation map by sticking ID label
of each microinverter at the right location.
c. The second serial number label, could be stuck
on the solar module frame, which could help
later to confirm
microinverter without dismantling the PV
module.
NOTE: ①. The layout of the microinverters' serial numbers installation map is only suitable for typical Installation.
②. Installation Map is available in the last page appendix of this manual.
③. Use ECU_APP (available in the EMA Manager) to scan the serial numbers on the map when setting up the
ECU (see ECU instruction manual for more info).
Product information is subject to change without notice.(Please download manuals at www.APsystems.com).
Bus Cable End Cap
the position of the
NOTE: When plugging in the DC cables, the microinverter
should immediately blink green ten times. This will happen as
soon as the DC cables are plugged in and will show that the
microinverter is functioning correctly. This entire check function
will start and end within 10 seconds of plugging in the unit, so
pay careful attention to these lights when connecting the DC
cables.
WARNING! Double check to make sure all of the AC and DC
wiring has been correctly installed. Ensure that none of the AC
and/or DC wires are pinched or damaged. Make sure that all of
the junction boxes are properly closed.
WARNING! Each pv panel must be carefully connected to the
same channel.
Never split positive and negative cables into two different
channels, otherwise the inverter will be damaged and warranty
will not apply.
NOTE: The neutral wire is not mandatory to be connected to
grid.Compatible with both Delta and Wye 3-phase grid.
Male/Female AC Connectors
2 2022/12/22
AC Extension Cable
Rev2.1 Quick Installation Guide