SEFCO SMi300 Quick Start Manual

PV Micro-Inverter
1.Make an Installation Map
Use the blank installation map in the package to record the location of
micro-inverters according to the system design. Each cell of the map
corresponds to one PV module.
The row of the table corresponds the shorter side of PV module
CAUTION
and the column of the table corresponds the longer side of PV
module. The direction on the upper left corner means the actual
installation orientation.
If there are more than one installation site, please make the
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installation map separately and give a clearly description about the
installation site.
Except the SN label on the micro-inverter, there is another SN label in the package. Stick the SN label to the
corresponding cell of the installation map according to the actual installation. As SMI600 is connected to two
PV modules, the SN label of SMI600 should be sticked in the middle of two corresponding cells of the
installation map.
2. Install Micro-inverte
Mark the approximate center of PV module on the frame and install the micro-
inverter with the LED side facing outside.
Micro-inverter should be installed in a suitable position with good
WARNING
ventilation and no directly sunshine.
3. Connect AC Cable
Every two micro-inverter could be connected by AC cables.
According to the max current of the AC cables, there is a max
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installation quantity for the micro-inverter in each string.
Model Quantities for each cable section
14 pcs (20 optional)
SMi300
7 pcs (10 optional)
SMi600