Step 2: Connecting A Pv Module To A Power Optimizer; Step 3: Connecting Power Optimizers In Strings - SolarEdge SEK-I Series Installation Manual

5. Verify that each Power Optimizer is securely attached to the module support
structure.
6. Record Power Optimizer serial numbers and locations, as described in Reporting and
Monitoring Installation Data on page 57.

Step 2: Connecting a PV module to a Power Optimizer

NOTE
Improper wiring may cause electrical faults in a PV system. To avoid electrical
faults, verify proper locking of connectors and avoid cable tension and
friction. Proper planning, materials and installation reduce the risk of electric
arcs, short-circuits and ground faults in the PV system.
NOTE
Images are for illustration purposes only. Refer to the label on the product to
identify the plus and minus input and output connectors.
For each of the Power Optimizers:
Connect the Plus (+) output connector of the module to the Plus (+) input
connector of the Power Optimizer.
Connect the Minus (-) output connector of the module to the Minus (-) input
connector of the Power Optimizer.

Step 3: Connecting Power Optimizers in Strings

You can construct parallel strings of unequal length, that is, the number of Power
Optimizers in each string does not have to be the same. The minimum and maximum
string lengths are specified in the power datasheets. Refer to the SolarEdge Site
Designer for string length verification.
Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx
Chapter 2: Installing the Power Optimizers
Figure 7: Power Optimizer connectors
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