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NOTE
Do not insert more than one wire through each gland: Insert the DC+
wire through the gland marked DC+ and the DC- through the gland
marked DC-. Seal all the glands after installation.
9. Fasten the Allen screws of the power distribution blocks. Apply torque of 30 N*m/
22 ft*lb.
Figure 22: DC out cables connected
Connecting the Inverter to the SMI
1. Verity that the pairing procedure is complete, as described in
Optimizers to the SMI on page 22.
2. Connect the SMI DC+ and DC- output wires to the input of the inverter.
CAUTION!
Complete the pairing procedure
before connecting the DC output of the
SMI to the inverter. Do not perform pairing when the DC output of the SMI
is connected to the inverter.
3. Switch the AC to the inverter ON (as described in its manual). If applicable, turn the
inverter AC/DC Safety Switch to ON.
4. Turn ON the SMI ON/OFF switch and the PSU.
5. Wait for the inverter to start producing power.
Chapter 4: SMI Connections
28
SMI-180 Installation Guide MAN-01-00157-1.1