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UBIQUITI SM-MI-250 INSTALLATION PROCEDURE
The following section list steps on how to install the UBIQUITI SM-MI-250 micro inverter onto PV module. Before
installing, review and follow all important safety instructions listed in this section:
Step 0: Please ensure you have all the components mentioned as below.
Step 1: Measure AC voltage on each phase at the Site
Measure grid voltage at the point where trunk cables
intend to be connected. Please make sure that the AC
voltages at the electrical utility connection and at the
junction box for each AC branch circuit are within the
mentioned range.
240 Volt AC Single Phase
L1 to L2
211 to 264 VAC
L1, L2 to neutral
106 to 132 VAC
Step 2: Combine MI and PV panel.
