Installation Guidelines - SolarEdge storedge Installation Manual

Installation Guidelines

Frame-mounted power optimizers are mounted directly on the module frame in
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rail-less racking systems. Mounting the power optimizers in advance saves installation
time. For installation of frame-mounted power optimizers, refer to
http://www.solaredge.com/sites/default/files/installing_frame_mounted_power_
optimizers.pdf.
The steps in this chapter refer to module add-on power optimizers. For smart modules, start from
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Step 3: Connecting Power Optimizers in Strings on page 18. Also refer to the documentation supplied
with the smart modules.
The power optimizer can be placed in any orientation.
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T o allow for heat dissipation, maintain a 24.5 mm / 1" clearance distance between the power
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optimizer and other surfaces.
If connecting more modules than optimizer inputs in parallel, use a branch cable (available from
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SolarEdge).
Position the power optimizer close enough to its module so that their cables can be connected.
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Make sure to use optimizers that have the required output cable length. You cannot use extension
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cables between every two optimizers in a string; They may be used only to connect between rows/
arrays or between the string and the inverter.
The minimum and maximum string length guidelines are stated in the power optimizer datasheets.
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Refer to the SolarEdge Site Designer for string length verification. The SolarEdge Site Designer is
available on the SolarEdge website at http://www.solaredge.us/products/installer-tools/site-
designer#/.
Completely shaded modules may cause their power optimizers to temporarily shut down. This will
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not affect the performance of the other power optimizers in the string, as long as the minimum
number of unshaded power optimizers connected in a string of modules is met. If under typical
conditions fewer than the minimum optimizers are connected to unshaded modules, add more
optimizers to the string.
Equipment grounding tightening torques: 4-6 AWG: 45 lb-in, 8 AWG: 4 0 lb-in, 10-14 AWG: 35 lb-in.
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NOTE
The images contained in the following sections are for illustrative purposes only and may vary
depending on product models.
SolarEdge-StorEdge Installation Guide MAN-01-00262-1.2
Chapter 2: Installing the Power Optimizers
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