Ahead User Manual TopRay 5.12.indd
Contents
1. renewable energy IN Dimensions mm Module Type Cell Type Cell Alignment AxB J K AHT72M Mono crystalline 6x12 1581 x 809 50 380 AHT96M Mono crystalline 8x12 1581 x 1068 50 380 AHT60M Mono crystalline 6 xl0 1650 x 992 50 400 AHT72M Mono crystalline 6x12 1956 x 992 50 500 AHT60P Poly crystalline 6x10 1650 x 992 50 400 AHT72P Poly crystalline 6x12 1956 x 992 50 400 Table 2 Module mechanical dimensions when clamp on the long side of the frame C Clamping installation on the short side of the frame Use a certain number of clamps to fix Ahead Renewable Energy crystalline solar modules on the mounting rail The module clamps should not come into contact with the front glass and must not deform the frame Be sure to avoid shadowing effects from the module clamps The module frame is not to be modified under any circumstances When choosing this type of clamp mounting method please be sure to use four or six clamps on each module Two clamps should be attached on each short side of the module Depending on the local wind and snow loads one clamp should be attached on each long side of the module if needed The mounting rail and the clamps center line can be moved along on the short side of the frame but recommended to be within the red arrow area in Figure 5 area M Please find detailed mounting information as shown in Figure 5 as following Tot zazass IH BERLIOS 5 ow S FF TI FETT TI 32. User Manual www aheadsolar co uk CONTENTS PREFACE GENERAL INFORMATION General Safety Installation Safety Fire Safety MECHANICAL INSTALLATION Operation Conditions Site Selection Tilt Angle Mechanical Drawing of Module Mounting ELECTRICAL INSTALLATIION Electrical Specifications Module Wiring and Connector Grounding Junction Box with Bypass Diodes MAINTENANCE OWNERSHIP DISCLAIMER OF LIABILTY N NNN N W wwww w ahead E renewable energy DS PREFACE ahead renewable energy IN IMPORTANT Please read this instruction manual in its entirety before installing wiring or using this product in any way Failure to comply with these instructions will invalidate the manufactures Limited Warranty for PV Modules Installers should follow all safety precautions described in this guide as well as local codes when installing a module Thank you for choosing Ahead Renewable Energy crystalline solar modules With proper operation and maintenance our modules will provide you with clean renewable solar electricity for many years This manual provides important safety information regarding the installation maintenance and use of the modules that the user and the professional installer should read carefully and follow Failure to follow these instructions may result in death bodily injury or damage to property GENERAL INFORMATION The installation of solar modules requires specialized skills and
3. and the ground See Figure 1 The modules connected in series should be installed at same orientation and angle Different orientation or angle may cause loss of output power due to difference of amount of sunlight exposed to the module Optimal tilting of modules is almost the same as the latitude of installation location f er Tee Sunlight Module Tilt Angle Horizontal Figure Module tilt angle For installations where the modules are attached to a permanent structure the modules should be tilted for optimum winter performance As a rule if the system power production is adequate in winter it will be satisfactory during the rest of the year Ahead Renewable Energy recommends a minimum installation angle of 10 degrees because this enables dust to be washed off by rain or dew for greater light intensity This will also improve ventilation and thus output because module performance is better at a lower temperature Mechanical Drawing of Module C E OO Figure 2 Module mechanical structure drawings ahead renewable energy ISS n Dimensions Installation Hole Frame Dimension Module Type Cell Type Cell Alignment AxBxC mm E F D F mm Cable Length G mm HxCxl mm AHT72M Mono crystalline 6x12 1581 x 809 x 40 801 x 758 1301 x 758 900 10 5 x 40 x 35 AHT96M Mono crystalline 8x12 1581 x 1068 x 50 801 x 1017 1301 x 1017 900 12x 50 x 35 AHT60M Mono crystal
4. modules should be facing south in northern latitudes and north in southern latitudes The module will have loss of power output of 10 15 if the unit is greater than 30 degrees from true south north The module will have loss of power output of 20 30 if the unit is greater than 60 degrees from true south north The module should not be shaded at any time When choosing a site avoid trees buildings or obstructions which could cast shadows on the modules especially during the winter months when the arc of the sun is lowest over the horizon Shading causes loss of output even though the factory fitted bypass diodes of the modules will minimize any such loss For detailed information on the best installation angle refer to standard solar photo voltaic installation guides or consult a reputable solar installer or systems integrator Do not install the modules near naked flame or flammable materials e Do not install the modules in a location where it would be immersed in water or continually exposed to water from a sprinkler or fountain etc Do not install the modules in a marine environment and or area where salty wind hit directly e Do not install the modules in corrosive environment such as corrosive salt area or sulphurous area etc Tilt Angle Ahead Renewable Energy crystalline solar modules produce the most power when they are facing sunlight directly The module tilt angle is measured between the solar module
5. positive connector of first module to the negative connector of the second module All wiring should be completed in accordance with all applicable state and local electrical codes During system design Short Circuit Current Isc and Open Circuit Voltage Voc should be multiplied by a factor of 1 25 to determine component voltage rating conductor ampacity fuse rating and the size of the controls connected to the modules or system output Ahead Renewable Energy suggests that every series module string should be fused prior to be connected with other strings Please refer to the applicable regional and local codes for additional fuse requirements When necessary please install blocking diodes to protect modules or system been damaged by reverse current Do not short the positive and the negative of a single module Do not disconnect under load Be sure connectors have no gap between the insulators A gap can cause fire hazard and or danger of an electrical shock Grounding All Ahead Renewable Energy crystalline solar module frames and mounting racks must be properly grounded in accordance with the appropriate respective national electrical code Proper grounding is achieved by connecting the module frame s and structural members contiguously one to another using a suitable grounding conductor Holes provided for this purpose on the module frame are identified in chart 4 The grounding conductor or strap may be copper copper a
6. should only be performed by qualified licensed professionals Before installing a solar photo voltaic system installers should familiarize themselves with its mechanical and electrical requirements Keep this guide in a safe place for future reference care and maintenance and in case of sale or disposal of the modules The word module or PV module as used in this manual refers to one or more Ahead Renewable Energy crystalline solar modules General Safety e Do not attempts to install wire operate or maintain the modules before reading through the manual e The installation should only be carried out by qualified licensed personnel e When installing the system abide to all local regional and national statutory regulations Contact your local e Authorities to determine the required permits before installation e One single module may generate more than 30V DC when exposed to direct sunlight Contact with a DC voltage of 30V or more is potentially hazardous Do not disconnect under load e Modules are designed for outdoor use Modules can be ground mounted mounted on rooftops vehicles or boats e Do not use mirrors or other magnifiers to concentrate sunlight onto the modules e Do not apply paint or adhesive to the module top surface e Only use equipment connectors wiring and support frames suitable for solar electric systems Handling Safety e Do not lift the module by grasping the modul
7. I ie a O u La LO a u Figure 5 Clamping installation on the Short Side of the Frame renewable energy IN Dimensions mm Module Type Cell Type Cell Alignment Fur i 7 AHT72M Mono crystalline 6x12 1581 x 809 50 150 AHT96M Mono crystalline 8x12 1581 x 1068 50 200 AHT60M Mono crystalline 6x10 1650 x 992 50 200 AHT72M Mono crystalline 6x12 1956 x 992 50 200 AHT60P Poly crystalline 6x10 1650 x 992 50 200 AHT72P Poly crystalline 6x12 1956 x 992 50 200 Table 3 Module mechanical dimensions when clamp on the long side of the frame Clamping installation on the short side of the frame For any above suggested installation method sufficient clearance between the module frame and the mounting surface is required wiring damage and to allow cooling air to circulate around the back of the module This also allows any condensation or moisture to dissipate The recommended stand off height is 5mm The module should never be sealed to the mounting surface with sealant that prevents air from circulating under the module Clearance of 7mm or more between modules is required to allow for thermal expansion of the frames ELECTRICAL INSTALLATION renewable energy IN ahead E Ahead Renewable Energy crystalline solar modules should be installed by qualified professionals only The process involves electricity and can be dangerous if the installing personnel are not famili
8. ar with the appropriate safety procedures Ahead Renewable Energy crystalline solar modules are qualified for application class A Hazardous voltage IEC 61730 higher than 50V DG EN 61730 higher than 120V hazardous power applications higher than 240W where general contact access is anticipated Modules qualified for safety through EN IEC 61730 1 and 2 within this application class are considered to meet the requirements for Safety Class II Several modules are connected in series and then in parallel to form a PV array especially for applications with a high operation voltage Do not use modules of different configurations in the same system If modules are connected in series the total voltage is equal to the sum of individual voltages For applications requiring high currents several photo voltaic modules can be connected in parallel the total current is equal to the sum of individual currents The maximum number of modules connected in series Vmax system Voc at STC When designing the PV system please always ELECTRICAL PARAMETERS AHT72M 180WBL Maximum Power Voltage Vmp V 35 20 Maximum Power Current Imp A 5 10 AHT72M 185WBL take into consideration the variation of the voltage under different temperatures please check the respective temperature coefficients of the modules the Voc of the modules will be rise when the temperature drops Electrical Specifications Ahead Renewable Energy crys
9. e s junction box or electrical leads e Do not stand or step on the module e Do not drop the module or allow objects to fall on the module e Do not disassemble the modules or remove any part of the module e Do not damage or scratch surfaces or back side of the module e Do not drill holes in the frame This may compromise the frame strength and cause corrosion of the frame e Do not scratch the anodized coating of the frame except for grounding connection It may cause corrosion of the frame or compromise the frame strength e Work only under dry conditions and use only dry tools Do not handle panels when they are wet unless wearing appropriate protective equipment Installation Safety e Never open electrical connections or unplug connectors while the circuit is under load e Do not use a module with broken glass or torn substrate as it may cause electrical shock when contacting with other module frames and surfaces e To avoid the hazard of electrical shock and injury cover the module s surface with an opaque material cardboard during installing or working with a module or wiring e Use properly insulated tools and appropriate protective equipment to reduce risk of electric shock Wear suitable protection to prevent direct contact with 30V DC or greater e Do not handle the modules during periods of high wind thunderstorm blizzard heavy snow or any other severe weather conditions e Do not install or
10. e Energy Co Ltd No part of this manual may be reproduced or copied without the express written permission of Ahead Renewable Energy Co Ltd Any unauthorised use of this manual or its contents is strictly prohibited No license is granted by implication or under any patent or patent rights Any and all intellectual property rights in or related to the PV modules are and shall remain the property of Ahead Renewable Energy Co Ltd All rights are expressly reserved The installation techniques handling and use of Ahead Renewable Energy crystalline solar modules are beyond company control Therefore Ahead Renewable Energy does not accept responsibility and expressly disclaims liability for any loss damage or expense arising out of or in any way connected with such installation operation use or maintenance Ahead Renewable Energy bears no responsibilities for any infringement of rights of third parties that may result from the use of the module No license is granted by implication or under any patent or patent rights The information in this manual is based on Ahead Renewable Energy s best knowledge and experience and is believed to be reliable but such information including product specification without limitations and suggestions do not constitute a warranty express or implied Ahead Renewable Energy reserves the right to change the manual the PV produce the specifications or product information sheets without prior notice ah
11. ead renewable energy Merlin House Brunel Road Theale Berkshire RG7 4AB dd 44 0 118 902 6757 m 44 0 7500 334 824 www aheadsolar co uk f 44 0 118 902 6401 iS a British Company
12. electric connect wet modules Fire Safety e Consult your local authority for guidelines and requirements for building or structural fire safety e Roof constructions and installations may affect the fire safety of a building improper installation may create hazards in the event of a fire e The modules have been rated Fire Class C and are suitable for mounting onto a Class A roof A fire resistant covering roof rated for such an installation is required for rooftops applications e It may be necessary to use components such as earth ground fault circuit breakers fuses and circuit breakers MECHANICAL INSTALLATION aN ahead E renewable energy ISX Operation Conditions Ahead Renewable Energy crystalline solar modules are designed for operations under the following conditions Ambient Temperature 40 C to 40 C Storage Temperature 20 C to 40 C Operating Temperature 40 C to 85 C 4 Humidity s85RH Mechanical Load Pressure lt 5400Pa Below 12 78 Ib ft2 The mechanical load bearing include wind and snow loads of the module is based on the mounting methods Installer must be responsible for mechanical load calculation according to the system design Site Selection Select a suitable location for installing the modules In most applications Ahead Renewable Energy crystalline solar modules should be installed in a location where they will receive maximum sunlight throughout the year The
13. ing Laminate Glass EYA Call Bring EVA Backshusi Al Freme E Stalndess Seel mut PA Staines Steal spring washer t t For 3800Pa Load For 5400Pa Load Figure 3 Module installed with mounting holes ahead Dal renewable energy IN B Clamping installation on the long side of the frame Use a certain number of clamps to fix Ahead Renewable Energy crystalline solar modules on the mounting rail The module clamps should not come into contact with the front glass and must not deform the frame Be sure to avoid shadowing effects from the module clamps The module frame is not to be modified under any circumstances When choosing this type of clamp mounting method please be sure to use at least four clamps on each module two clamps should be attached on each long side of the module Depending on the local wind and snow loads additional clamps may be required to ensure the module can bear the load The mounting rail and the clamps center line can be moved along on the long side of the frame but recommended to be within the red arrow area in Figure 4 area K Please find detailed mounting information as shown in Figure 4 as following ia LD edge LALLI u u I CH DI ne EP J bak RE 7 on BEE reese CCA Dp in AN hl hl Wp ki n Figure 4 Clamping installation on the Long Side of the Frame N ahead E
14. line 6 xl0 1581 x 1068 x 50 928 x 941 1348 x 941 900 12x 50 x 35 AHT72M Mono crystalline 6x12 1956 x 992 x 50 956 x 941 1476 x 941 900 12x 50x35 AHT60P Poly crystalline 6 xl0 1650 x 992 x 50 928 x 941 1348 x 941 900 12x 50x 35 AHT72P Poly crystalline 6x12 1956 x 992 x 50 956 x 941 1476 x 941 900 12x 50x 35 Mounting Ahead Renewable Energy crystalline solar modules can be mounted by using the following methods e Modules can be mounted by using mounting holes at the module frame with corrosion proof screws e Modules can be mounted by using suitable module clamps on the long side of the module frame e Modules can be mounted by using suitable module clamps on the short side of the module frame Pleased be noted that Ahead Renewable Energy will not provide related BOS components the system installer or trained professional personnel must be responsible for the PV system s design installation and mechanical load calculation and security of the system A Module installed with mounting holes The frame of each module has 8 mounting holes Length x Width 14mm x 9mm used to secure the modules to supporting structure The module frame must be a ached to a mounting rail using M8 corrosion proof screws together with spring washers and flat washers Use 4 or 8 symmetrical mounting holes on the module for different loads as pointed by the red arrows in Figure 3 Please find detailed mounting information as shown in Figure 3 as follow
15. lloy or other material acceptable for use as an electrical conductor per respective National Electrical Codes The grounding conductor must then make a connection to earth using a suitable earth ground electrode Attach a separate conductor as grounding wire to one of the 6mm diameter grounding holes on the module frame as identified in Figure 6 with a set of M6 screw cup washer flat washer tooth washer and M6 nut Please note that a star washer is used between the flat washer and the module frame as shown in Figure 6 This washer is used to avoid corrosion due to dissimilar metals Tighten the screw securely to ensure positive electrical contact with the frame ahead renewable energy IN AL Frame Flat Washer Cup Washer Figure 6 Grounding Junction Box with Bypass Diodes Partial shading of an individual module can cause a reverse voltage across the shaded module Current is then forced go through the shaded area by the other modules When a bypass diode is wired in parallel with the series string the forced current will flow through the diode and bypass the shaded SPV module thereby minimizing module heating and array current losses Each Ahead Renewable Energy crystalline solar module has a TUV approved junction box with 3 to 6 bypass diodes already installed MAINTENANCE A E ahead renewable energy IN DISCLAIMER OF LIABILITY Ahead Renewable Energy crystalline solar modules require mi
16. nimal maintenance Given a sufficient tilt at least 15 it is not generally necessary to clean the modules rainfall will have a self cleaning effect Regular maintenance is required to keep modules clear of snow bird droppings seeds pollen leaves branches dust and dirt spots When there is a noticeable buildup of soiling deposits on the module surface wash the PV array using water without cleaning agents and a gentle cleaning implement a sponge during the cool of the day Dirt must never be scraped or rubbed away when dry as this will cause micro scratches If snow is present a brush with soft bristles can be used to clean the surface of the module Once a year the modules need to be inspected for tightness of screws securing the modules to the racking frame The general condition of the wiring needs to also be inspected Loose hardware could result in damage to the panel Strong wind conditions could loosen the mounting devices Do not change the PV components diode junction box plug connectors If you need electrical or mechanical inspection or maintenance it is recommended to have a licensed authorized professional carry out the inspection or maintenance to avoid hazards of electric shock or injury WARNING For any electrical maintenance the PV system must first be shut down Improper maintenance can cause lethal electric shock and or burns OWNERSHIP This manual is the proprietary property of Ahead Renewabl
17. ort Circuit Current Isc A 5 59 5 68 Maximum Power Pmax W 250 255 Maximum Series Fuse A 10 Max System Voltage VDC 1000 Dimensions mm 1581 x 1068 x 50 Weight kg 20 Table 5 Specifications for AHT96M series mono crystalline solar modules ELECTRICAL PARAMETERS Maximum Power Voltage Vmp V AHT60M 230WBL 29 40 AHT60M 235WBL 29 50 AHT60M 240WBL 29 70 a heac 7 renewable energy IN AHT60M 245WBL 30 00 Maximum Power Current Imp A 7 83 797 8 09 8 17 Open Circuit Voltage Voc V 36 50 36 60 36 80 37 00 Short Circuit Current Isc A 8 44 8 51 8 58 8 69 Maximum Power Pmax W 230 235 240 245 Table 6 Specifications for AHT60M series mono crystalline solar modules Maximum Series Fuse A 10 Max System Voltage VDC 1000 Dimensions mm 1650 x 992 x 50 Weight kg 20 ELECTRICAL PARAMETERS AHT72M 280WBL AHT72M 285WBL AHT72M 290WBL AHT72M 295WBL Maximum Power Voltage Vmp V 35 60 35 80 Maximum Power Current Imp A 8 15 8 24 Open Circuit Voltage Voc V 44 70 45 00 Short Circuit Current Isc A 8 61 8 68 Maximum Power Pmax W 290 295 Maximum Series Fuse A 16 Max System Voltage VDC 1000 Dimensions mm 1956 x 992 x 50 Weight kg 23 ELECTRICAL PARAMETERS Maximum Power Voltage Vmp V Table 7 Specifications for AHT72M series mono crystalline sola
18. r modules AHT60P 220WBL AHT60P 225WBL AHT60P 230WBL AHT60P 235WBL Maximum Power Current Imp A 7 64 7 71 7 80 7 92 Open Circuit Voltage Voc V 36 40 36 40 36 60 36 80 Short Circuit Current Isc A 8 24 8 32 8 39 8 52 Maximum Power Pmax W 220 225 230 235 ELECTRICAL PARAMETERS Maximum Power Voltage Vmp V Table 8 Specifications for AHT60P series poly crystalline solar modules AHT72P 265WBL AHT72P 270WBL Maximum Series Fuse A 16 Max System Voltage VDC 1000 Dimensions mm 1650 x 992 x 50 Weight kg 20 AHT72P 275WBL AHT72P 280WBL Maximum Power Current Imp A 7 66 7 16 7 82 791 Open Circuit Voltage Voc V 43 70 43 80 43 90 44 10 Short Circuit Current Isc A 8 29 8 37 8 44 8 57 Maximum Power Pmax W 265 270 275 280 Table 9 Specifications for AHT72P series poly crystalline solar modules Maximum Series Fuse A 16 Max System Voltage VDC 1000 Dimensions mm 1956 x 992 x 50 Weight kg 23 Module Wiring and Connector Ahead Renewable Energy crystalline solar modules has two 4mm diameter type standard 90 C sunlight resistant output cables each terminated with plug amp play connectors This cable is suitable for applications where wiring is exposed to the direct rays of the Sun For a series electrical connection connect
19. talline solar modules electrical ratings are measured under Standard Test Conditions STC irradiance of 1000W m2 AM 1 5 spectrum cell temperature 25 C 77 F Under normal outdoor conditions a module may produce more current or voltage than its STC rated power Accordingly during system design Short Circuit Current and Open Circuit Voltage should be multiplied by a factor of 1 25 to determine component voltage rating conductor ampacity fuse rating and the size of the controls connected to the modules or system output Tables 4 5 6 7 8 9 below are the major electrical characteristics of Ahead Renewable Energy crystalline solar modules at STC appear on each module label The electrical characteristics are within 10 percent of the indicated values of Isc Voc Imp and Vmp AHT72M 190WBL AHT72M 195WBL 36 00 5 14 Open Circuit Voltage Voc V 43 20 43 40 44 00 45 00 Short Circuit Current Isc A 5 50 5 61 5 66 5 68 Maximum Power Pmax W 180 185 190 195 Maximum Series Fuse A 10 Max System Voltage VDC 1000 Dimensions mm 1581 x 809 x 40 Weight kg 14 Table 4 Specifications for AHT72M series mono crystalline solar modules ELECTRICAL PARAMETERS AHT96M 240WBL AHT96M 245WBL AHT96M 250WBL AHT96M 55WBL Maximum Power Voltage Vmp V 47 00 47 30 Maximum Power Current Imp A 5 32 5 39 Open Circuit Voltage Voc V 58 40 58 40 Sh
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