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- Page 1 RAIL-LESS RACKING FOR CONCRETE ROOFS INSTALLATION GUIDE REVISION DATE: 11/22/24 VERSION: v2.3 ECOFASTENSOLAR.COM...
- Page 2 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE Clicking the page name will take you to that page TABLE OF CONTENTS PAGE 01 FEATURES & BENEFITS PAGE 02 COMPONENTS PAGE 04 RATINGS PAGE 05 ASSEMBLY PAGE 06 INSTALLATION PAGE 08 GROUNDING PAGE 09 COMPATIBLE MODULES PAGE 13...
- Page 3 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE SIMPLERACK The rail-less SimpleRack System is engineered specifically for use in flat concrete roofing applications. The system is ideal for fast, easy fixed-positioning mounting. SimpleRack provides integrated bonding and conforms to UL 2703. FEATURES •...
- Page 4 • Ensure all products are appropriate for the installation, environment, and array under the site’s loading conditions. • Use only EcoFasten parts or parts recommended by EcoFasten; substituting parts may void any applicable warranty. • Review the Design Assistant and Certification Letters to confirm design specifications.
- Page 5 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE SYSTEM COMPONENTS REQUIRED SIMPLERACK LEG KIT: 1. Short Leg 2. Tall Leg 3. Flange Nut 4. Mid Clamp 5. Socket Set Screw 6. T-Nut CONCRETE ANCHOR SOLD SEPARATELY ADDITIONAL REQUIRED COMPONENT 7. End Spacer...
- Page 6 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE RATINGS Fire Ratings* Class A System Fire Rating Max System Voltage 1500 Max Fuse Rating Certification Conforms to UL STD 2703 Warranty 25 Year Material and Workmanship Markings Product listing label is located on Short Leg Roof Pitch 1/2:12 - 12:12 UL 2703 Allowable Design Load Rating...
- Page 7 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE SIMPLERACK SHORT LEG ASSEMBLY Short Leg T-Nut Set Screw Mid Clamp Bonding Pin 3/8” -16 Serrated Flange Nut PAGE...
- Page 8 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE SIMPLERACK TALL LEG ASSEMBLY Tall Leg T Nut Socket Set Screw Mid Clamp Bonding Pin 3/8”-16 Serrated Flange Nut PAGE...
- Page 9 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE SYSTEM LAYOUT • Layout and install roof compatible concrete anchors using either expansion anchors or epoxy anchors. • Spacing between the anchors for the Short Leg and Tall Leg should always be 39”. •...
- Page 10 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE GROUNDING LUG INSTALLATION Install ground lug on the module per ground lug and module manufacturer’s instructions. NECESSARY COMPONENTS: One of the following ground lugs (or any UL 2703 compliant ground lug): • Burndy CL50-1TN Ground Lug (UL 2703 - E3514343 / UL 467-E9999) •...
- Page 11 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE FRAME MLPE MOUNT INSTALLING THE FRAME MLPE ACCESSORY: • Install the Frame MLPE Mount • Slide the Frame MLPE Mount onto the lip of the micro-inverter/power optimizer. • Slide the micro-inverter/power optimizer into the opposite lip of the module frame. •...
- Page 12 BONDING ASSEMBLY & BONDING PATH GROUNDING INFORMATION Bond Path The SimpleRack System may be used to mount and ground PV Grounding Lug modules that comply with UL 1703 or UL 61730, only when that specific module has been evaluated for mounting and grounding, Equipment Grounding in compliance with the included installation instructions.
- Page 13 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MAINTENANCE JUMPER BONDING PATH Routine maintenance of a PV module or mounting system, e.g. inspection or cleaning, shall not involve breaking or disturbing the bonding path of the system. Please see diagram below for ensuring the bond path has not been broken or disturbed prior to conducting any maintenance.
- Page 14 PV modules listed to UL 1703 or UL 61730. A list of approved modules is included below. A list of UL 2703 approved modules is listed below. Not all modules listed are compatible with SimpleRack. Customer MUST check the module manufacturer’s installation manual to verify allowable mounting zones and load rating limitations.
- Page 15 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Aptos modules with 35 and 40 mm frames Aptos DNA-yy-zzaa-xxx Solar Where “yy” can be 108, 120 or 144; “zz” can be MF or BF; and “aa” can be 10, 23 or 26 Astronergy modules with 30, 35, 40, and 45 mm frames aaSMbbyyC/zz-xxx...
- Page 16 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Canadian Solar modules with 30, 35 and 40 mm frames CSbY-xxxZ Canadian Where “b” can be 1, 3, 6 or 6.1; “Y” can be H, K, L, N, P, R, U, V, W, X, Y, or Solar -54TM;...
- Page 17 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Freedom Forever modules with 35 mm frames Freedom FF-MPa-BBB-xxx Forever Where “a” can be blank or 1 Freevolt modules with 35 mm frames Freevolt ECP-PVGRAF-144HC-xxx GCL modules with 35 mm and 40 mm frames GCL-ab/YY xxx Where “a”...
- Page 18 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Hanwha Q CELLS Modules with 30, 32, 35, 40, and 42 mm frames aaYY-ZZ-xxx where “aa” can be Q. or B.; “YY” can be PLUS, PRO, PEAK, LINE PRO, LINE PLUS, PLUS DUO, PEAK DUO or Tron;...
- Page 19 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES JA Solar modules with 30, 35, 40 and 45 mm frames JAyyzz-bbww-xxx/aa Where “yy” can be M, P, M6 or P6; “zz” can be blank, (K), (L), (R), (V), (BK), (FA), JA Solar (TG), (FA)(R), (L)(BK), (L)(TG), (R)(BK), (R)(TG), (V)(BK), (BK)(TG), or (L)(BK)(TG);...
- Page 20 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Maxeon modules with 35, 40 and 46 mm frames SPR-AAAY-xxx-zzz Maxeon Where “AAA” can be MAX or X; “Y” can be 3, 5, 6, 7, 21 or 22; and “zzz” can be blank, R, BLK, BLK-R, or COM Meyer Meyer Burger Modules with 35 mm frames...
- Page 21 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Panasonic modules with 30 mm frames Panasonic EVPVxxxA (EverVolt) Where “A” can be blank or H, K, HK, HK2 or PK Peimar modules with 40 mm frames SbxxxYzz Peimar Where “b”...
- Page 22 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Risen Modules with 35 and 40 mm frames Risen RSMyy-6-xxxZZ Where “yy” can be 60, 72, 120, 132 or 144; and “ZZ” can be M or P S-Energy modules with 35 and 40 mm frames SABB-CCYYY-xxxZ S-Energy...
- Page 23 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Solarever modules with 30, 35 mm frames SE-zzz*yy-xxxM-aaa Solarever Where “zzz” can be 166 or 182; “yy” can be 83, 91 or 105; and “aaa” can be 96-BD, 108 or 144 Solaria modules with 35 and 40 mm frames PowerA-xxxY-ZZ...
- Page 24 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Suniva modules with 35, 38, 40, 46, and 50 mm frames OPTxxx-AA-B-YYY-Z Suniva MVXxxx-AA-B-YYY-Z Where “AA” is either 60 or 72; “B” is either 4 or 5; “YYY” is either 100,101,700,1B0, or 1B1;...
- Page 25 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Topco Solar modules with 30mm frames Topco Solar TPM7-SH108-xxx/M Trina Modules with 30, 35, 40 and 46 mm frames TSM-xxxYYZZ Where “YY” can be DD05, DD06, DD14, DE09, DE14, DE06X, DE15, DE15V, DEG15, PA05, PC05, PD05, PD06, PA14, PC14, PD14, PE14, PE15 or NE09RC Trina ;...
- Page 26 REVISION DATE: 11/22/24 VERSION: v2.3 INSTALLATION GUIDE MANUFACTURER LIST OF UL 2703 APPROVED MODULES Yingli modules with 30, 35 and 40 mm frames YLxxxZ-yy Yingli Where “Z” can be D or P; “yy” can be 29b, 30b, 34d, 35b, 36b, 37e 1/2, 37e 1500V 1/2, 40d, 49e 1/2 or 49e 1500V 1/2 Yotta modules with 30 mm frames Yotta...
- Page 27 INSTALLATION GUIDE FOR INSTALLERS. BY INSTALLERS. EcoFasten, an Enstall Company, has established a reputation for being one of the industry’s leading innovators by providing expert solutions for mounting solar PV on any roof. EcoFasten’s broad portfolio of solar rooftop mounting systems and attachments stems from the direct needs of solar PV installers.
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