SAJ M2 Quick Installation Manual

M2 Microinverter Quick Installation Guide
M2-(1.8K-2.25K)-S4
1. Package List
The parts marked with optional are not included in the standard product package, and can be ordered separately by the customers
as needed. Contact after sales if there is missing or damaged components.
No. Part Name No. Part Name
① M2 inverter ⑥ AC trunk port disconnect tool (optional)
② AC trunk cable (optional) ⑦ M8*25 bolts (optional)
③ AC trunk end cap (optional) ⑧ Mounting bracket (optional)
④ AC trunk connector unlock tool (optional) ⑨ DC extension cable (optional)
⑤ AC trunk port cap (optional) ⑩ Branch male connector (optional)
①
⑨
Multi-machine system
2. Installation Steps
Step 1: Plan and install the microinverter.
Mark the position of each microinverter on the rail. Secure the screws on the marks to the rail.
Face the inverter cover toward the photovoltaic (PV) arrays. Mount the microinverter onto the screws and tighten the screws.
M8*25
9 N·m
- If external grounding is required, use a M6 screw to secure the cable to the grounding hole on the microinverter handle.
- Carry the microinverter by holding its handle. Do not lift the AC cable to carry the microinverter.
×
√
V2.1 1
②
③
④
⑩
⑤
⑥
⑦
⑧
Single-machine system
Mounting Torque: 9 N·m
Step 2: For single-machine system, connect the branch male connector.
Before wiring, use a Phillips screwdriver to remove the screws on the uppermost baffle. Insert the other main cable into the body
shell and crimp the inner wires into the terminals according to the L, PE, and N marks. Tighten the screws. Press the terminal block
into the shell until you hear a "click" sound. Put the nut back into the port and tighten the nut.
0.2-0.3 N·m
33
L
N
8
For multi-machine system, prepare and connect the AC cables from the microinverters to the distribution box.
a. Place the AC trunk connector unlock tool to the backside of the AC trunk and align with the four buckles of the front lid. Press
the unlock tool towards the front lid evenly to remove the lid.
Grid
b. Insert the main cable into the body shell, crimp the inner wires, and insert the wires into the terminals according to the L, PE,
and N marks.
Cable Color
L Red or Brown
N Black or Blue
PE Green-yellow
c. Close the lid following the guide arrow until you hear a "click" sound.
d. Prepare more AC trunk cables and string them in series for backup.
e. Insert the AC trunk end cap to the AC trunk cable. Tighten the end cap and the nut.
Mounting torque
4.0±0.5N·m
f. Lay the AC trunk cables on the guide rail and secure the cables with ties.
Step 3: Complete AC connection.
a. Insert the branch cable connector on output side into the AC trunk cable or branch male connector until you hear a "click" sound.
Clique
b. Connect the other AC cable end to the distribution box connecting to the local power grid.
c. If there is an empty port on the AC trunk cable connector, insert the AC trunk port cap onto the AC trunk port cover to ensure
that the connector is dustproof and waterproof.
Click
Click
L
PE
N
4.0±0.5N·m
Click
Grid
Click
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2.0±0.5 N·m
0.4±0.1N·m