APsystems QT2 Installation Manual page 15

4. APsystems Microinverter System Installation
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.
X
Each PV panel must be carefully connected to the same channel.
Make sure to not split positive and negative DC cables into two different input channels:
microinverter will be damaged and warranty will not apply.
APsystems Microinverter QT2 Installation Manual 14