APsystems QS1A Installation/User Manual
10
4. APsystems Microinverter System Installation
4.4.4 Step 4 - Ground the system
a.
There already has earth wire inside the AC cable, thus the grounding work could be done
directly by it.
b.
For those areas that have special requirements, the external grounding work could be
done by grounding brackets.
Figure 4
4.4.5 Step 5 - Connect the APsystems microinverter to AC bus cable
Push the microinverter AC connector into the trunk cable connector until you hear a "click".
Try to remove it to check that it is properly locked.
Figure 5
Best Practice:
Use the Bus Cable Unlock Tool of AC Bus to split the connectors.
Figure 6
AC connector interface as follows.
Cover any unused connectors with Bus Cable
Y-CONN Cap to protect the connectors.
Figure 7
4.4.6 Step 6 - Install a AC bus protective end cap at the end of AC bus cable
a. Strip cable jacket.
c. Insert the wires into the cable clamps.
b. Insert the cable end into the seal.
d. Rotate the nut with 3.3N·m until the
latching mechanism meets the base.
Figure 8
Click
Nut
Seal
Body
LATAM
Brazil
grounding brackets
