Installation Manual

6. Recordpoweroptimizerserialnumbersandlocations,asdescribedinReportingandMonitoring

InstallationDataonpage35.

Step 2: Connecting a PV Module to a Power

Optimizer

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poweroptimizers:

l ConnectthePlus(+)outputconnectorofthemoduletothePlus(+)inputconnectorofthepower

optimizer.

l ConnecttheMinus(-)outputconnectorofthemoduletotheMinus(-)inputconnectorofthe

poweroptimizer.

Figure 8: Power optimizer connectors

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optimizerdatasheets.RefertotheDesignerfor

stringlengthverification.

NOTE

l Use at least 11 AWG/ 4 mm² DC cables.

l The total cable length of the string (excluding power optimizers’ cables) should not exceed

1000ft./300 m from DC+ to DC- of the inverter.

1. ConnecttheMinus(-)outputconnectorofthestring’sfirstpoweroptimizertothePlus(+)output

connectorofthestring’ssecondpoweroptimizer.

Chapter 2: Installing the Power Optimizers

Single Phase Inverter with HD-Wave Technology Installation MAN-01-00306-1.1