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© 2020 IRONRIDGE, INC. VERSION 3.2 FLUSH MOUNT INSTALLATION MANUAL - 6 <br />3. S e CUR e LUGS <br />Use with one solid or stranded copper <br />wire, conductor size 10-4AWG. <br />4. S e CUR e MODUL e S <br />A. SeCURe FIRST eND <br />Place first module in position on rails, a minimum of 1” <br />from rail ends. Snap Stopper Sleeves onto UFO. Fasten <br />module to rail using the UFO, ensuring that the UFO is <br />hooked over the top of the module. Torque to 80 in-lbs. <br /> ➢ensure rails are square before placing modules. <br /> ➢Hold Stopper Sleeves on end while torquing to prevent rotation. <br /> ➢If using CAMO instead of UFO + Stopper Sleeve, refer to Page 19 <br />for CAMO installation procedure. <br />B. SeCURe Ne XT MODUL e S <br />Place UFO into each rail, placing them flush against first <br />module. Slide second module against UFO. Torque to 80 <br />in-lbs. Repeat for each following module. <br /> <br /> ➢When reinstalling UFO, move modules a minimum of 1/16" so <br />UFOs are in contact with a new section of module frame. <br /> ➢When UFOs are loosened and re-tightened, ensure UFO T-bolt <br />bottoms out in rail channel before re-torquing UFO to achieve full <br />engagement between T-bolt and rail. <br /> ➢If using Wire Clips, refer to Page 18. <br />C. SeCURe LAST eND <br />Place last module in position on rails, a minimum of 1” <br />from rail ends. Snap Stopper Sleeves onto UFO. Secure <br />UFO Clamps on rails, ensuring they are hooked over top <br />of module. Torque to 80 in-lbs. <br /> ➢Hold Stopper Sleeves on end while torquing to prevent rotation. <br /> ➢Repeat all steps for each following row of modules, leaving a <br />minimum 3/8" gap between rows <br /> ➢If using CAMO instead of UFO + Stopper Sleeve, refer to Page 6 <br />for CAMO installation procedure. <br />A <br />B <br />C <br />1" From <br />Rail End <br />UFO <br />(80 in-lbs)Stopper <br />Sleeve <br />UFO <br />(80 in-lbs) <br />UFO <br />(80 in-lbs) <br />Terminal Screw <br />(20 in-lbs) <br />Hex Nut <br />(80 in-lbs) <br />Grounding Lugs <br />Only one Grounding Lug (Rail or Module) required per continuous <br />subarray, regardless of subarray size (Unless frameless modules are <br />used, see Page 20). <br /> ➢Grounding Lugs are intended to for use with one solid or <br />stranded copper wire, conductor size 10-4 AWG. <br />Rail Grounding Lug <br />Insert T-bolt in Top Rail slot and torque Hex Nut to 80 in-lbs. Install <br />a minimum 10 AWG solid copper or stranded grounding wire. Torque <br />terminal screw to 20 in-lbs. <br /> ➢Module Grounding Lugs can be installed anywhere along the Rail <br />and in either orientation shown. <br />Module Grounding Lug <br />Insert Bolt through Manufacturer approved grounding location and torque <br />Hex nut to 60 in-lbs. One Module Grounding Lug may be installed to <br />one module per row. Install a minimum 10 AWG solid copper or stranded <br />grounding wire. Torque terminal screw to 20 in-lbs. <br /> ➢If using enphase microinverters or Sunpower AC modules, <br />Grounding Lugs may not be needed. See Page 19 for more info. <br /> ➢Refer to module manufactuer for mounting location and <br />instructions. <br />FLANGE NUT <br />GROUNDING LUG <br />BOLT <br />STAR WASHER <br />Terminal Screw <br />(20 in-lbs) <br />Hex Head <br />(60 in-lbs) <br />Module Grounding Lug <br />Rail Grounding Lug <br />3000 S Sycamore St Unit# <br />A- 201822724/29/2024