SolarEdge SE66.6KUS Installation Manual page 21

Step 3: Connecting Power Optimisers in Strings
1. Connect the Minus (-) output connector of the string's first power optimiser to the Plus (+) output
connector of the string's second power optimiser.
2. Connect the rest of the power optimisers in the string in the same manner.
3. If you intend to monitor the installation, using the SolarEdge monitoring platform, record the
physical location of each power optimiser, as described in Creating Logical and Physical Layout using
Installation Information on page 55.
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-Three Phase Inverter with Synergy Technology Installation MAN-01-00402-1.4
Figure 9: Power optimisers connected in series