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Summary of Contents for UNIRAC GRIDFLEX 6005A-T61
- Page 1 INSTALLATION GUIDE UNIRAC Code-Compliant Installation Manual © 2021 by Unirac, Inc. All rights reserved. Document No. PUB19JAN2022 UNIRAC welcomes input concerning the accuracy and user-friendliness of this publication. Please write to publications@unirac.com.
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Page 2: Table Of Contents
INSTALLATION GUIDE TABLE OF CONTENTS: Tools & Specifications System Components Snap Roof Pad on to Rails Locate Array & Connect Rails Clamps & Module Connection Additional Ballast Tray Module Connection Wind Deflector Module Replacement Certification System Level Fire Code Compliance Electrical Diagram Bonding and Grounding System Certification... -
Page 3: Tools & Specifications
TOOLS & SPECIFICATIONS INSTALLATION GUIDE PAGE TECHNICAL SPECIFICATIONS: Material Types: A380 cast aluminum and mill finish extruded aluminum (6005A-T61 or 6061-T6), G180 steel, Galvalume, PC/ASA TECHNICAL DATA SHEET PAGE Hardware: Stainless steel Bonding and Grounding: UL2703 Listed Continuous Bonding Path TOOLS REQUIRED OR RECOMMEND FOR LAYOUT, ATTACHMENTS, AND INSTALLATION: •... -
Page 4: System Components
SYSTEM COMPONENTS INSTALLATION GUIDE PAGE Two module width scales each corresponding 8” and 11” row spacing are printed on rail, so that rails are overlapped to achieve accurate module width. MID RAIL: SOUTH RAIL: The rail is made of Galvalume steel, pre- The rail is made of Galvalume, pre-assembled assembled with 5/16”... - Page 5 SYSTEM COMPONENTS INSTALLATION GUIDE PAGE SOUTH CLAMP: The south stanchion NORTH CLAMP: The north stanchion WIND DEFLECTORS: Wind deflectors are assembly is made of a mill finish assembly is made of a mill finish made of G180. Multiple lengths are Aluminum and engages the return flange Aluminum and engages the return available to accommodate different...
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Page 6: Snap Roof Pad On To Rails
SNAP ROOF PAD ON TO RAILS INSTALLATION GUIDE PAGE INSTALL ROOF PADS ON RAILS Roof Pads snap onto Rails. Install a Roof Pad under every North Stanchion location and under every South Stanchion located at a south edge of an array. Ensure the stanchion bolt above each roof pad goes into the protruding boss in the roof pad. -
Page 7: Locate Array & Connect Rails
LOCATE ARRAY & CONNECT RAILS INSTALLATION GUIDE PAGE MARK ROOF WHERE ARRAY WILL START: Use LOCATE ARRAY ON ROOF: Align South Rails ATTACH SOUTH RAIL TO MID RAIL: Overlap chalk line to mark distances from roof edge as with previous chalk lines. Rail Spacing Mid-Rails on top of South Rails, use the called out in construction documents. -
Page 8: Clamps & Module Connection
CLAMPS & MODULE CONNECTION INSTALLATION GUIDE PAGE ATTACH NORTH STANCHION: Insert the ATTACH SOUTH STANCHION: Depending on the LAY BALLAST BLOCKS: Lay ballast blocks front tab of the North Stanchion into the row to row spacing (8in or 11in), place the south into ballast trays. -
Page 9: Additional Ballast Tray
ADDITIONAL BALLAST TRAY INSTALLATION GUIDE PAGE Place up to 4 half ballast blocks as needed. Align the smaller slots in Ballast Tray HIGHER BALLAST REQUIREMENT: An with the hole used for the rail overlap additional Ballast Tray can be installed connection. -
Page 10: Module Connection
MODULE CONNECTION INSTALLATION GUIDE PAGE MODULE CONNECTION, STEP 4: Tighten MODULE CONNECTION, STEP 5: Rest the the South Stanchion bolts and rotate the north end of the module on the North module down to rest on the North Stanchion Clamp. Install the adjacent Stanchion as shown. -
Page 11: Wind Deflector
WIND DEFLECTOR INSTALLATION GUIDE PAGE INSTALL WIND DEFLECTOR: Thread the bolts through TIGHTEN BOLTS TO TORQUE: the included 0.75" OD washer, then wind deflector, and Narrow side of the deflector will be on the bottom. into the threaded hole provided in north stanchion. TORQUE VALUE: 6-8 FT-LBS NOTE: Wind deflectors will overlap NOTE: For perimeter modules, align... -
Page 12: Module Replacement
MODULE REPLACEMENT INSTALLATION GUIDE PAGE STEP 1: Locate the module to be STEP 2: Now lift the module from north STEP 3: Remove the module and place replaced. Loosen the hexagonal bolt in edge and rotate it 75deg towards south. the new module by following module both the north stanchions to which the Loosen the bolt in the south stanchion... -
Page 13: Certification
CERTIFICATION UNIRAC CSA SM, GFT, ULA LABEL EXAMPLE FOR REFERENCE ONLY INSTALLATION GUIDE PAGE UL2703 System Label: To document the UL2703 system rating, MECHANICAL LOAD TEST QUALIFICATION Installers must apply a label to each array during installation. The The GridFlex™ system has been tested to the mecanical load... -
Page 14: System Level Fire Code Compliance
SYSTEM LEVEL FIRE CODE COMPLIANCE INSTALLATION GUIDE PAGE SYSTEM LEVEL FIRE CLASSIFICATION: The system fire class CLASS A FIRE RATING MOUNTING ORIENTATION rating is only valid when the installation is conducted in GridFlex has achieved Class A system level fire performance for accordance with the assembly instructions contained in type 1, 2, 3 with a metal frame, 19, 22, and type 25 module this manual over a fire resistant roof covering rated for the... -
Page 15: Electrical Diagram
ELECTRICAL DIAGRAM BONDING & GROUNDING INSTALLATION GUIDE PAGE Ground Lug Grounding Clamp Min. 10 AWG Copper Wire NOTE: Ground bond path can be established by installing the ground lug and copper wire connection to either the South Stanchion, North Stanchion, Rail, Wind Deflector, or Ballast Tray Module to South Stanchion to Rail Connection... -
Page 16: Bonding And Grounding
One lug is recommended per continuous array, not to exceed 150ft X 150ft. Unirac GridFlex is intended to be used with PV modules that have a system voltage less than or equal to that allowable by the National Electric Code (NEC). -
Page 17: System Certification
• Please see GridFlex information at Unirac.com to ensure the exact solar module selected is approved for use with GridFlex • Listed models can be used to achieve a Class A fire system rating, for low slope applications, only when modules fire typed 1, 2, 3 with a metal frame, 19, 22, or 25. - Page 18 • Please see GridFlex information at Unirac.com to ensure the exact solar module selected is approved for use with GridFlex • Listed models can be used to achieve a Class A fire system rating, for low slope applications, only when modules fire typed 1, 2, 3 with a metal frame, 19, 22, or 25.
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