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© 2020 IRONRIDGE, INC. VERSION 3.2 FLUSH MOUNT INSTALLATION MANUAL - 8 <br />e XPANSION JOINTS <br />BOSS <br />Insert BOSS into first Rail up to the Alignment Circle, Slide <br />second Rail over BOSS to the second Alignment Circle, <br />leaving a 1" gap between the Rails. <br />There must be a 1" of space between the edge of the Rail <br />and the edge of the panel to allow proper installation of the <br />UFO and Stopper Sleeve. <br />A A <br />B B <br />C C <br />D D <br />E E <br />F F <br />8 <br />8 <br />7 <br />7 <br />6 <br />6 <br />5 <br />5 <br />4 <br />4 <br />3 <br />3 <br />2 <br />2 <br />1 <br />1 <br />No Modules Over Gap <br />One Bonding Strap Per Break In <br />Array <br />A A <br />B B <br />C C <br />D D <br />E E <br />F F <br />8 <br />8 <br />7 <br />7 <br />6 <br />6 <br />5 <br />5 <br />4 <br />4 <br />3 <br />3 <br />2 <br />2 <br />1 <br />1 <br />No Modules Over Gap <br />No Bonding Strap required for <br />BOSS <br />Fully Seat Tek <br />Screws <br />Insert Splice 6" Into <br />Rail <br />Torque to <br />80 in-lbs <br />3/8" from Rail End <br />1" Gap <br />Expansion Joints are required every 100' of continuous rail to allow for thermal expansion and contraction of the system. <br /> ➢Do not install modules over expansion joints, either Classic Splice or BOSS. <br />Classic Splice <br />Insert Classic Splice 6" into first rail and secure with <br />two self-drilling screws, spacing them approximately 1” <br />apart and tightening to 20 in-lbs. Assemble and secure <br />Grounding Strap 3/8" from rail end. Slide second rail over <br />Classic Splice leaving 1" gap between rails. Attach other <br />end of Grounding Strap with hardware and torque hex <br />nuts to 80 in-lbs. <br /> ➢Remaining Bonded Splice screws are not used with expansion. <br /> ➢Only one Grounding Strap is required per break in row of <br />modules. <br />1" Gap Alignment <br />Circles <br />3000 S Sycamore St Unit# <br />A- 201822724/29/2024