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d:UNIRAC unirac Code-Compliant-Installation Manual SolarMount <br />[3.3.3] Attaching modules4 to the rails <br />Lay the modules for a given panel face down on a surface <br />that will not damage the module glass. Align the edges of the <br />modules and snug them together (Fig. 21, page 22). <br />Trim the rails to the total width of the modules to be mounted. <br />Place a rail adjacent to the outer mounting'holes. Orient <br />the footing bolt slot outward. Place a clip slot adjacent to <br />the mounting holes, following the arrangement you selected <br />earlier. <br />Assemble the clips, mounting bolts, and flange nuts. Torque <br />the flange nuts to 10 foot-pounds. <br />[3.3.4] Installing the module-rail assembly <br />Bring the module-rail assembly to theinstallationlite. Keep <br />rail slots free of debris that might cause bolts to bind in the <br />slots. <br />Consider the weight of a fully assembled panel. Unirac recom- <br />mends safety lines Whenever lifting one to a roof. <br />Align the panel with the previously installed L-feet. Slide 3/8 <br />inch L-foot mounring bolts onto the rail and align them with <br />the L-feet mounting holes. Attach the panel to the L-feet and <br />finger tighten the fiange nuts. <br />Rails maybe attached toieither of two mounting holes in the <br />footings (Fig. 25). <br />• Mount in the lower hole foria low, more aethetieally <br />plehsing installation. <br />· Or mount in the upper hole to maximize a cooling <br />airflow under the modules. 'rhis may enhance perfor- <br />fnance in hotter climates. <br />Un FieClip, ,52*97 <br />slots <br />Footing <br />Wounling <br />005 <br />Flange <br />£ nut <br />bolt slot 349% <br />13»..>./ <br />Figure 25. Leg-to-rail attachment <br />Adjust the pOSitiOn of the panel as needed to fit the installa- <br />Mon.area. Slide the remaining L-feet bolts onto the other rail, <br />attach L-feet, and finger tighten with flange nuts. Align L-feet <br />with niounting holes previously drilled into the roof. Install <br />lag bolts into remaining L-feet as described in"Laying out and <br />installing L-fcct" above. <br />Torque all footing flange nuts to 30 foot-pounds. Verify thatiall <br />lag bolts are securely_.fas.tened. <br />1 <br />4, <br />24 <br />11 <br />X <br />ri