Author: QGP

End Run Installation

End Run Installation Safety Prior to the installation of the End Run, ensure the main breaker and any alternate power sources are turned off so the main panel is not energized. Ensure that you do not to cut or damage insulation of any wires. Adhere to local guidelines for all wire gauges and installation requirements. Items Required Small flat blade screwdriver Wire stripper #2 Phillips screwdriver 13 mm wrench ½” NPT conduit connector for SM-EC-NA ½” Liquid-tight flexible metal conduit (LFMC) or EMT tubing 10-12 AWG (3.3-5.3 mm2) THWN-2 differently colored wire 8 AWG Copper solid-core grounding wire Hardware Installation Using a flat blade screwdriver, remove the End Run cover by gently prying the locking tabs outward and sliding the cover off. Locate the open connector at the end of your array of AC Modules and connect the end run cable to the Y-Cable until it is firmly seated. Note: One End Run can support up to 16 continuous AC Modules in an array. Solar arrays comprised of more than 16 AC Modules will require additional End Run assemblies. Thread the conduit connector into the End Run cover Feed the house-side wiring through the conduit and the cover of the End Run assembly. Secure the conduit to the conduit connector and insert the appropriate wires into their respective terminal block locations (L1-N-L2-GND) inside the End Run housing. Slide the...

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Solar Gateway

Solar Gateway Ports Ethernet Port – This Ethernet port is used to connect the Solar Gateway to your LAN. Reset Button – This button resets the Solar Gateway back to factory defaults. Press and hold the Reset button for more than 10 seconds while the Gateway is powered on. LEDs and Connectors LEDs Power – The Power LED will light steady green when the device is connected to a power source. The LED may change color during general system activity. Network Activity The Network Activity LED will light steady green when the network and cloud are connected. It will light red if a network connection cannot be established Inverter Activity – The Inverter Activity LED will light steady green when all Microinverters are detected. It will light yellow if one or more of the Microinverters are missing and light red if errors are detected. Connectors The Solar Gateway has two external connectors. Input – Connects the Gateway to the Microinverter. Output – Connects the AC cable to the Gateway. Installation WARNING: Before installing this product, disconnect the solar system from the grid or any source of power to prevent shock or damage. Tilt the Gateway forward and hook it underneath the upper edge of the solar module railing. Rotate it down until it stops and rests along the side of the AC Module. Use the AC Disconnect Tool to...

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AC Module Installation

AC Module Installation With the Trim Covers installed properly, follow these steps to install the AC Modules: Hook the AC Module onto the top lip of the Mounting Assemblies in row one and lower it approximately 45˚ while pulling back slightly on the AC Module. Note: The remaining roof mount locations should not have Mounting Assemblies installed yet. Holding the AC Module at a 45˚ angle, hook the Mounting Assembly into the edge of the frame, ensuring the arrow is facing forward. Line up the mounting base over the Roof Mount as you lower the AC Module. Note: If the AC Module will sit on more than one Mounting Assembly or Connector Mount, ensure that each component is inserted into the top edge of the AC Module before securing it to the roof mounts. While lowering the AC Module into place, continue to pull it slightly towards you to ensure it remains hooked onto the swivel mounts in the previous row. Secure the AC Module to the Roof Mounts using the Mounting Assembly. If the AC Module is not seated properly or sitting evenly with the mounting hardware in row one, make the necessary adjustments. Note: If adjustments need to be made to one or both of the Mounting Assemblies in row two, turn the base of the Mounting Assembly in either direction to adjust its height. To raise the height,...

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Panel Connector Installation for Trim Cover

Panel Connector Installation for Trim Cover Panel Connector Installation – Prior to installing the first row of AC Modules, insert Panel Connectors into the Trim Cover at all locations where AC Modules will be installed. If the first row in your solar array will consist of more than one Trim Cover, you will also use a Panel Connector to join together the ends of adjoining Trim Covers. Each Panel Connector has an arrow on the top surface that should point toward the Trim Cover. To help with alignment, the arrow on the Panel Connector should be aligned with one of the following: The alignment mark on all 2-Panel Portrait Trim Covers. The vertical gap created by the installation of two Trim Covers installed side by...

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Trim Lock Installation

Trim Lock Installation Once the Trim Covers are installed, secure each Trim Cover to the Mounting Assemblies by installing a trim lock on each mounting swivel. Place and hold the trim lock up against the side of the Mounting Assembly and align it underneath the hole located in the mounting swivel. Holding the trim lock in place, insert the trim lock screw through the top of the Mounting Assembly and secure the trim lock to the mount swivel. The trim lock will also secure the Trim Cover to the Mounting Assemblies in row...

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Trim Cover Installation

Trim Cover Installation With all of the Mounting Assemblies now at the same height, install the trim cover by following these steps: Hook the Trim Cover over the top lip of the Mounting Assemblies by placing it horizontally across the mount swivels in row one and rotating it down until it comes to a stop. The trim covers are sized to fit the AC Module edges and should be positioned to support each location in which the AC Modules will be installed. Ensure that each Trim Cover is fully seated on the Mounting Assemblies in that row. If more than one Trim Cover will be installed, position each additional one side by side until the front row is complete. Using the included hardware, attach the endcap plates to both of the open ends of the Trim Cover. Align the holes in the endcap plate with the pre-drilled holes on the ends of the Trim Cover and secure it to each of the...

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Leveling the Mounting Assemblies

Leveling the Mounting Assemblies Using leveling string, tie a knot around the first mounting assembly stud, just below the swivel portion of the Mounting Assembly. Ensure that the top portion of the stud can be seen through the opening of the mount swivel. As a starting point, adjust the Mounting Assembly to mid-height where the top of the mounting stud is level with the lower lip of the mount swivel. Pull the leveling string up and over the top of the mount swivel, extending it all the way to the last Mounting Assembly in the row. Once you’ve reached the Mounting Assembly at the other end of the row, pull the leveling string over the top surface of the mount swivel and tie another knot around the mounting assembly stud as performed in step 1. Note: Apply some tension to the string to create a leveling guide between the first and last Mounting Assemblies. At both ends of the leveling guide, measure the height between the string and the surface of the roof structure. If the height is not the same at both ends, turn the mount swivel to adjust the height so they are the same. To raise the height, turn the mount swivel counterclockwise. To lower the height, turn the mount swivel clockwise. Once the first and last Mounting Assemblies in that row are the same height,...

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Mounting Assembly Installation

Mounting Assembly Installation Use the mounting hardware to attach Mounting Assemblies to the Roof Mounts. To begin, only install Mounting Assemblies at the two outer locations in the front row of the array. Each Mounting Assembly has an arrow on the top surface of the 360° swivel that should always point towards the Trim Cover. Secure and tighten each mounting assembly bolt using 14 lb-ft or 19 N-m of torque. The mounting base and swivel portion for each Mounting Assembly should be facing downroof as shown. Note: If you need to adjust the position of the Mounting Assemblies later, you can loosen the mounting bolts and make the necessary...

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Roof Mount and Flashing Installation

Roof Mount and Flashing Installation Locate on the roof where the solar array will be installed. Ensure that you adhere to all local rules and regulations that correspond to your location in regards to measurements and spacing from roof eaves and ridges. For tile roof installations, refer to “Appendix B: Tile Roof”. Mark the location of the first row of Roof Mounts by placing a chalk line horizontally across the roof. This chalk line should be 1.5″ (38 mm) up from where the lower edge of the solar array will be installed. Mark the location of the second row of Roof Mounts by placing a parallel chalk line above the first, using the following guidelines: For portrait configurations, mark 66″ (1675 mm) up from the previous chalk line. For landscape configurations, mark 40.13″ (1020 mm) up from the previous chalk line. For additional rows, repeat this step as needed. Mark the center line of each rafter along each of the horizontal chalk lines. These marks should be within 0.25″ (6 mm) of the rafter center line. Identify the first mount location by locating the closest rafter underneath the outside edge of the first AC Module in your array. Mark the center of the first rafter that will support the lower-edge corner of the first AC Module in your array. Ensure the location does not exceed the maximum cantilever distance of 15.75″...

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Chapter 5: AC Module Assembly

sunMAX User Guide – Chapter 5: AC Module Assembly The AC Module is a Solar Panel with a Microinverter installed. For ease of installation, assemble the AC Module and attach the required cabling and support clips prior to transferring the AC Module to the roof.   Installing the Microinverter Stand the Solar Panel up against a sturdy wall or lay it on a flat surface that will not scratch the top side of the panel. The pre-installed junction box should be facing you on the upper half of the Solar Panel. Note: Do not sit or place heavy objects anywhere on the Solar Panel. Position the Microinverter into the Solar Panel and slide it up along the edge of the frame until the holes line up at the top. Ensure that the neighboring side of the frame edge sits in the slotted edge of the Microinverter, which secures it to the frame. Connect both cables on the junction box to the DC ports on the Microinverter until you hear them snap in. Each connector is uniquely shaped to prevent reversal during the installation. The Solar Panel will now be referred to as an AC Module.   Installing the Cable Support Clips and Y-Cable Before attaching Cable Support Clips and Y-Cables to the AC Module, decide whether your solar array will be configured for portrait or landscape orientation. Portrait AC Modules...

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