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<br /> <br /> <br />LETTER REPORT <br />GAF ENERGY LLC <br />Intertek Report: 105171274LAX-001a <br /> <br /> <br />Version: 21-June-2019 Page 4 of 5 GFT-OP-10a <br />294000417 D <br />294000456 D <br />in end-product within UL <br />3741 <br />2020 <br /> <br />A Rapid Shutdown (RSD): Conductors leaving the array must drop to 30V or less within 10 seconds of rapid shutdown initiation. <br />Equipment must be listed, but standards are not specified. 2014 NEC 690.12(2) and (5) <br /> <br />B PV Rapid Shutdown Array (PVRSA): A listed assembly or system designed to “reduce but not eliminate risk of electric shock <br />hazard within a damaged PV array during fire-fighting procedures.” 2017 NEC 690.12(B)(2)(1) <br /> <br />C PV Hazard Control System (PVHCS): Equipment or multiple pieces of equipment listed to UL 3741 “to reduce the risk of <br />electric shock hazard within a damaged PV array for fire fighters.” 2020 NEC 690.12(B)(2)(1) <br /> <br />D As part of a listed PV Hazard Control System <br /> Note: A, B and C taken from NEC. Please refer to the NEC for more details <br /> <br />INSTALLATION REQUIREMENTS <br />Max System Voltage 600VDC <br />Max Array Internal Voltage After Actuation 600VDC (cold weather VOC) <br />MCI/RSS Voltage Output after Actuation ≤30VDC <br />Voltage Bleed-Down Interval ≤30 secs. <br />Max Series-Connected Solar Shingles per (1) MCI or (1) RSS 48 <br />OTHER INSTALLATION INSTRUCTIONS REDOMMENDED BY GAF <br />INSTALLATION MANUAL REVISION <br />Applicable for Integrated Rooftop Solar for Composition Shingle Steep Sloped Roofs, Installed Using <br />"Timberline Solar Roofing System by GAF Energy LLC, Rev 2.1" <br /> <br />1. MCI or RSS shall be secured inside the Transition Box using provided fasteners. <br />2. One MCI or RSS must be connected to each series string (48 solar shingles max) or separate <br />mounting plane subarray string. MCI and RSS may be installed on subarrays smaller than 48 series- <br />connected solar shingles. For the most current specifications, instructions and limitations on the use <br />of Delta Electronics components, please refer to their website at https://www.deltaww.com/en-US/ <br />[deltaww.com] index <br /> <br />3. To operate, the MCI requires an Input Operating Voltage of 6 – 80VDC and a Startup Voltage of <br />22VDC. The Solar Shingles have a VOC of 10.9 VDC. Minimum recommended number of Solar Shingles <br />to the input of each MCI is (6) Solar Shingles <br /> <br />4. Verification that each MCI or RSS is installed with 48 or fewer modules shall be documented for <br />inspection by as-built string diagrams and/or voltage measurement logs. Voltage output per string <br />not to exceed 600V. <br /> <br />5. The RSS has a metal enclosure and shall be bonded to the EGC using the lay-in lug and M4 bolt <br />provided, or by equivalent means approved in the NEC. <br /> <br />6. A designated PV system disconnect shall serve as the RSD/PVRSA/PVHCS initiator and shall be <br />sized, installed, and labeled in accordance with NEC requirements. The specific part shall be <br />identified on the as-built system drawings. The inverters evaluated with this system is equipped with <br />an integrated disconnect. <br /> <br /> <br />2006 N Deodar St - 101118000 & <br />20181911 <br />6/11/2024