Mounting Guide
Contents
1. Long Side Insertion Short Side Insertion Figure 3 Long side and inside insertion mounting YGE 60 Cell 4 bolts at each of the 2400 upward 2400 mounting holes downward YGE 72 Cell 4 bolts at the outer 2400 upward 2400 mounting holes downward Table 1 Allowable maximum load pressure for mounting with bolts YGE 60 Cell Two channels that support 2400 upward 2400 both long frames downward YGE 60 Cell Two channels that support 1900 upward 1900 both short frames downward YGE 72 Cell Two channels that support 2400 upward 2400 both long frames downward YGE 72 Cell Two channels that support 1900 upward 1900 both short frames downward Table 2 Allowable maximum load pressure for insertion mounting Yingli Solar PV Modules Mounting Guide page 2 METHOD C TOP DOWN BOTTOM UP CLAMPS PV modules may be mounted with third party clamps provided they are adequately designed to attach PV modules to a specific substructure for site specific loading conditions A clamp may attach up to two or more adjacent modules simultaneously Clamps must be installed according to the manufacturer s specified instructions Do not apply excessive pressure on the frame such that the frame deforms Refer to the mounting structure manufacturer for specific hardware and torque requirements For clamping with four clamps one clamp must be located in each of the four regions2. range of approved options for mounting Yingli Solar PV modules in order to simplify and facilitate the installation process At the same time it is also designed to give you clear instructions on how to attach Yingli Solar PV modules to a given mounting structure in order to ensure compliance with the requirements of the Yingli Solar Limited Warranty for PV Modules This guideline applies to the following product lines of PV modules manufactured by Yingli Solar e YGE 60 Cell Series e YGE 72 Cell Series including the YGE U 72 Cell Series For additional information about the specifications of Yingli Solar PV modules and installation requirements please read the Installation and User Manual for Yingli Solar PV Modules Thank you for choosing Yingli Solar as your PV module provider We appreciate your business GENERAL GUIDELINES Yingli Solar PV modules can be mounted in one of several permissible configurations which are described in detail throughout this document Each configuration has a combined wind and snow load for both the positive and negative directions that is maximally allowed by Yingli Solar in order for the Yingli Solar Limited Warranty for PV Modules to remain valid Maximum design loads must be calculated according to ASCE 7 05 Minimum Design Loads for Buildings and Other Structures and should be approved by a licensed structural engineer YINGLISOLAR COM YIN OFFICIAL SPONSOR FIFA WORLD CUP Brasil Dow
3. YINGLI SOLAR PV MODULES Mounting Guide Revision Date March 1 2014 Version 1 0 This Mounting Guide applies to photovoltaic modules PV modules also commonly known as solar panels manufactured by Yingli Green Energy Holding Co Ltd Yingli Solar and is explicitly written for qualified professionals Installer or Installers including without limitation licensed electricians and NABCEP Certified PV Installers This document is intended to serve as a supplement to the Installation and User Manual for Yingli Solar PV Modules however all requirements in the Installation and User Manual for Yingli Solar PV Modules also apply In case of discrepancies the Installation and User Manual for Yingli Solar PV Modules shall take precedence Due to the development and continuous improvement of Yingli Solar PV modules the guidelines in this Mounting Guide are subject to change without notice No rights can be derived from the Mounting Guide and Yingli Solar assumes no liability whatsoever connected to or resulting from the use of any information contained herein INTRODUCTION Specific site conditions or applications can make it challenging to safely and effectively mount PV modules using conventional methods Fortunately a growing number of hardware vendors and mounting methods are available to the Installer to address these obstacles The intent of this document to is to present and discuss the comprehensive
4. ative mounting regions as illustrated in Figure 4 Series Attachment Location Maximum Load Pa YGE 60 Ce 4 clamps at standard 2400 Pa upward 2400 Pa mounting Zone 1 downward YGE 60 Ce 4 clamps at inside mounting 1900 Pa upward 1900 Pa Zone 2 downward YGE 60 Cel 4 clamps at corner mounting 1520 Pa upward 1520 Pa Zone 3 downward YGE 72 Ce 4 clamps at standard 2400 Pa upward 2400 Pa mounting Zone 1 downward YGE 72 Ce 4 clamps at inside mounting 1900 Pa upward 1900 Pa Zone 2 downward YGE 72 Ce 4 clamps at corner mounting 960 Pa upward 960 Pa Zone 3 downward Table 3 Allowable maximum load pressure for mounting with clamps Yingli Solar PV Modules Mounting Guide page 3 METHOD D CLAMPING TO THE FRAME FLANGE AT THE CORNERS Attachment of flange clamps such as the Panelclaw Claw are permitted for Yingli Solar PV modules The clamp attaches to the flange of the PV module at each of the four corners on either the two short frame or long frame members Ensure that the claws are flush with both the long and short lengths of the PV module flange Panel Claw Flange Clamp Figure 7 Module with corner flange clamps Maximum eee Pa Series Attachment Location YGE 60 Cell Flange of frame at four 1520 upward 1520 corners downward YGE 72 Cell Flange of frame at four 960 upward corners 960 downward Table 4 Allowable maximum load pressure for corner flange clamps For questi
5. each region consists of 3 zones shown in Figure 4 Clamping locations may be distributed in an arbitrary manner as long as there is attachment in each region and the overall clamping geometry has at least one axis of mirror symmetry perpendicular to one module side see Figure 5 Highest maximum load pressures are approved when the clamps are situated at each of the mounting holes plus or minus 50mm about 2 inches Note if symmetrical mounting is followed but there is clamping in two different zones the lower maximum load pressure of the two zones shall apply zone WN zn 0 Be Zone ii 250mm o 4 Zone 1 border to module edge mm m a G 4 50mm from k mounting hole T SG an i S 150mm a L Mounting ae Hole Location ho o Figure 4 Mounting zones for mounting with clamps O Axis of Symmetry 1 i m k l k Attachment K Location 4 4 4 Four lt Mounting Zones 1 n k Acceptable NOT Acceptable no axis of symmetry Figure 5 One acceptable and one unacceptable mounting geometry mA PV Laminate E Aluminum Frame DOTO Backing Nut Nut Washer OO Figure 6 Detail of a center top down clamp mounting attachment Table 3 includes a list of maximum allowable load pressures for clamps at various mounting locations including at the mounting holes or in altern
6. nward Load Upward Load Wind amp Snow Wind Figure 1 Upward and downward loads Mounting structures and other mechanical parts must be designed and approved by a certified engineer for mounting PV modules and able to withstand the design wind and snow loads applicable for a particular geographical PV system location Unless otherwise specifically stated by Yingli Solar the installation instructions provided by the mounting structure manufacturer must be strictly adhered to in order for the Yingli Solar Limited Warranty for PV Modules to remain valid In cases where the mounting structure manufacturer either does not allow a particular configuration which is permissible in accordance with this guide or does not allow wind or snow loads as high as what is specified by this guide then the limitations of that manufacturer s installation instructions shall take precedence over these guidelines During installation and operation Yingli Solar PV modules must not be subjected to forces from the mounting surface and substructure including but not limited to those forces caused by thermal expansion Do not modify the existing mounting holes or drill new holes Always consult with the local authority having jurisdiction before installation in order to determine if any additional regulations or requirements may apply Additionally if your design load requirement is greater than those shown please contact your Yingli sales representative f
7. ons or more information please contact Yingli Green Energy Americas Inc info yingliamericas com Tel 1 888 686 8820 YINGLISOLAR COM US NYSE YGE Yingli Green Energy Holding Co Ltd MountingGuide_US_201403_v01 METHOD E CENTER CLAMP Attachment with center clamps such as the Array Technologies DuraTrack HZ single axis tracker universal clamp is permitted for Yingli Solar PV modules For proper attachment place two PV modules into a clamp so that the center of the module is lined up with the center of the clamp Ensure that the clamp fully grips both PV module frames Aa ES Mounting Ra EDN Center Clamp Cross Section Figure 8 Module with center clamps Yingli works with major center clamp manufacturers to approve acceptable load pressures on a project by project basis Please contact the clamp manufacturer for details with regards to specific projects Yingli Solar PV Modules Mounting Guide page 4
8. or options CONTENTS Method A Method B Frame Inserto Meien aeie e E EEEE EE IEE 2 Method C Top down Biot toi U pom lanp s e e siete ete tote etetntetereteleteratele stele 3 Method D Clamping to the Frame Flange at the Corners erraien enn a E E E E E EEE 4 Method E CeMualr CLAMS i e 4 Yingli Solar PV Modules Mounting Guide page 1 METHOD A BOLTS When mounting PV modules with bolts the mounting holes located on the rear flange of the frame must be used Use either 1 4 inch or M6 stainless steel bolts nuts and washers The bolts should be torqued to racking mounting manufacturer s specifications PV Laminate Aluminum Frame i E Backing Nut T0 Toothed Lock Washer or KEPS Nut vye Equipment Grounding E Grounding Lug Conductor Screw Figure 2 Detail of a bolt mounting attachment Table 1 includes a list of maximum allowable load pressure for modules that are mounted with bolts through the mounting holes METHOD B FRAME INSERTION Module frames can be supported by insertion systems where the module frame rests inside of a channel The channels are required to support the entire length of either both of the long frames or both of the short frames Module frames must be restricted from vibrating in the channel NY KSA Support Rail Insertion Rail Support Rail NS SX NS IN
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