M2 Series Micro-inverter
21
22
(3) If the micro-inverter is connected to 127/220 V three-phase power grid, connect one live line to port L
and connect another live line to port N.
Figure 4.5
three-phase power grid
Step 2: For single-machine system, connect the branch male connector.
Before wiring, use a Phillips screwdriver to remove the screws to the uppermost baffle. Insert the other main
cable into the body shell and crimp the inner wires into the slot according to the L, PE, and N marks. Tighten
the screws. Press the terminals into the shell and put the nut back into the port and tighten.
33
8
2.0±0.5 N·m
0.2-0.3 N·m
Click
L
N
Figure 4.6
Connector wiring
For multi-machine system, prepare and install AC cables.
Use AC cables to connect the microinverters to the distribution box.
(1) Use the AC trunk connector unlock tool to align the slot on the back and press the nuts on both sides
firmly.
Figure 4.7
Unlock tool usage
(2) Insert the other main cable into the body shell and crimp the inner wires into the slot according to the L,
PE, and N marks.
Cable Color
L Red
N Black
PE Green
L
N
PE
4.0±0.5N·m
0.4±0.1N·m
Figure 4.8
Inner wires crimping
Close the lid following guide arrows until a click sound is heard.
Click
Figure 4.9
Closing the lid
(3) Prepare some AC trunk cables and string them in series for backup.
Figure 4.10
AC trunk cables in series
(4) Insert the AC trunk end cap to AC trunk cable, screw it and tighten the nut.
Mounting Torque
4.0±0.5N·m
Figure 4.11
AC trunk cables tightening
