UNIRAC ULA Installation Manual Download

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ULA

PLANNING AND

ASSEMBLY

INSTALLATION MANUAL

INSTALLATION GUIDE

UNIRAC welcomes input concerning the accuracy and user-friendliness of this publication. Please write to [email protected].

UNIRAC Code-Compliant Installation Manual

PUB2022NOV17

Summary of Contents for ULA

Page 1: ...AL INSTALLATION GUIDE UNIRAC welcomes input concerning the accuracy and user friendliness of this publication Please write to publications unirac com UNIRAC Code Compliant Installation Manual 2021 by...

Page 2: ...articular installations and installation environment Ensuring safe installation of all electrical aspects of the PV array SYSTEM COMPONENTS 1 3 SYSTEM LAYOUT 4 5 SYSTEM ASSEMBLY 6 7 MICROINVERTER MOUN...

Page 3: ...ardware 1 U bolt 1 1 2 inch bolt and 2 flange nuts SOLARMOUNT OR GFT Rails SM Standard or GFT rails support PV modules Components and quantities specific to your installations are listed on your quota...

Page 4: ...ICATIONS Rails caps sliders rail brackets cross braces bottom mounting clips and top mounting clamps 6105 T5 aluminum extrusion caps are welded Fasteners 304 stainless steel Horizontal and vertical pi...

Page 5: ...L 302023D 7 SM ENDCLAMP E CLR AL 302024C 8 SM ENDCLAMP E DRK AL 302024D 9 SM ENDCLAMP F CLR AL 302025C 10 SM ENDCLAMP F DRK AL 302025D 11 SM ENDCLAMP K CLR AL 302026C 12 SM ENDCLAMP K DRK AL 302026D 1...

Page 6: ...ers on page 2 of your Specs Sheet However if you needed to shift leg positions follow the east west spacing you set during your planning session The assembly sequence depends on installer preference a...

Page 7: ...t be placed in standing water Prepare Vertical Pipes At the bottom of the vertical pipes install a piece of rebar threaded cap or bolts This step prevents withdrawal from the footing See figure 4 Pour...

Page 8: ...SLIDER 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D IMAGE 1 BRACE CUT LENGTH IMAGE 2 INSTALL BRACE ON SLIDER IMAGE 3 INSTALL BRACE ON SLIDER IMAGE 4 INSTALL REAR CAP ON NORTH PIPE IMAGE 5 INSTALL H...

Page 9: ...on to another slot IMAGE 1 CONFLICT 1 IMAGE 2 SOLUTION SHIFT BRACKET EW IMAGE 3 CONFLICT 1 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D IMAGE 1 CONFLICT 1 IMAGE 2 SOLUTION SHIFT BRACKET EW IMAGE 4...

Page 10: ...nto top rail slot at microinverter locations Rotate bolts into position INSTALL MICROINVERTER Install microinverter on to rail Engage with bolt INSTALL MICROINVERTER Torque 1 4 nut to 10 ft lbs with A...

Page 11: ...ss steel flat washer lock washer and nut Tighten the nut until the dimples are completely embedded into the rail and lug TORQUE VALUE 10 ft lbs See product data sheet for more details Model No WEEB LU...

Page 12: ...Engage module frame with Endclamps Verify that the position indicator T bolt shaft are angled in the correct position TORQUE VALUE 1 4 nuts to 10 ft lbs w Anti Seize NOTE See appendix for additional...

Page 13: ...st module frame Do not tighten nut until next module is in position Verify that the position indicator T bolt shaft are angled in the correct position INSERT MIDCLAMP T BOLT Apply Anti Seize and inser...

Page 14: ...ALL ENDCLAMPS ApplyAnti Seize and install final Endclamps in same manner as first Endclamps Slide clamps against module TORQUE VALUE 1 4 nuts to 10 ft lbs w Anti Seize 1 2 MIN INSTALL REMAINING MID CL...

Page 15: ...und connection NOTE Ilsco lug can also be used when secured to the side of the rail WEEBLUG OR ILSCO LUG SM RAIL SM RAIL 2 2 2 2 1 1 1 1 SM RAIL MICRO INVERTER FLANGE HEX NUT W CAPTIVE LOCK WASHER BON...

Page 16: ...al Beam Horizontal Beam Rail Fault Current Ground Path Module Grounding Lug Rail Grounding Lug Bonding Mid Clamp Min 10 AWG 105 C Copper Wire Note Every array must have at least one grounding lug eith...

Page 17: ...INSTALLATION GUIDE PAGE 15 Bonding Connections Grounding Paths Fault Current Ground Path Bonding Connection Optional Cross Brace Ground Note Cross bracing is optional for concrete foundation system Mi...

Page 18: ...le Marking Label should be applied to the rail at the edge of the array Before applying the label the corners of the label that do not pertain to the system being installed must be removed so that onl...

Page 19: ...ilder engineering report or stamped engineering package for information on mechanical load ratings spans and cantilevers Load ratings mentioned above are applicable for modules on table not on substru...

Page 20: ...xxxP72 B ExxxM72 B ExxxH CM120 B ET Solar ET AC Module ET Module ET M772BH520 550WW WB Flextronics FXS xxxBB Manufacture Module Model Series Freedom Forever FF MP BBB xxx FF MP1 BBB xxx GCL GCL P6 GCL...

Page 21: ...Use with a maximum over current protection device OCPD of 30A Unless otherwise noted all modules listed above include all wattages and specific models within that series Variable wattages are represen...

Page 22: ...l modules Risen RSM Series RSM110 8 xxxBMDG S Energy SN72 SN60 Series Seraphim SEG 6PA 6PB 6MA 6MA HV 6MB E01 E11 SRP 6QA 6QB SRP xxx 6MB HV SRP 320 375 BMB HV SRP xxx BMC HV SRP 390 450 BMA HV SRP xx...

Page 23: ...re may be applied to top or side of bracket as shown Do not force clamp into rail by pushing on bolt with excessive force INSTALL FIRST MODULE Install the first end module onto rails with the flange o...

Page 24: ...LAMP ASSEMBLY Insert 1 4 T Bolt into top slot of rail INSTALL MIDCLAMPS Midclamp is supplied as an assembly with a T bolt for module installation Clamp assemblies may be positioned in rail near point...

Page 25: ...position and that the top of the cap is sitting level with the module frame NOTE When installing 46mm modules loosen bolt by 1 turn before positioning clamp against module frame Do not force clamp ont...

Page 26: ...to 15 ft lbs 2 Rotate clamp clockwise 2 3 of a turn to engage T bolt inside rail slot NOTE If excessive force is applied in step 2 the cap may over rotate causing it to be mis aligned with the module...

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UNIRAC ULA, Installation Manual

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