INSTALLATION MANUAL FOR VISEL MODULES
Contents
1. JISEL GENERAL INSTALLATION MANUAL FOR VISEL MODULES PLEASE READ THIS MANUAL CAREFULLY BEFORE INSTALLING OR USING THE MODULES PLEASE PASS ALONG THE ATTACHED USER MANUAL TO YOUR CUSTOMER 1 INTRODUCTION yw This Installation Manual contains essential information for the electrical and mechanical installation that you must know before installing VISEL PV modules This also contains safety information you need to be familiar with X All the information described in this manual are the intellectual property of VISEL and based on the technologies and experiences that have been acquired and accumulated in the history of VISEL Xx This document does not constitute a warranty expressed or implied VISEL does not assume responsibility and expressly disclaims liability for loss damage or expense arising out of or in any way connected with installation operation use or maintenance of the PV modules No responsibility is assumed by VISEL for any infringement of patents or other rights of third parties that may result from use of PV module yw VISEL reserves the right to make changes to the product specifications or installation manual without prior notice 2 GENERAL INFORMATION INCLUDING WARNING AND SAFETY yw The installation of PV modules requires a great degree of skill and should only be performed by a qualified licensed professional including licensed contractors and licensed electricians yw Please read this manual carefully before i2. VISEL PV modules are designed to secure their electric performance under the condition that they are mounted on rigid support structures Deformation of support structure may damage PV module with its electric performance If the modules are to be installed on the roof or wall of a building the standoff method or the rack method is recommended Clearance between the module frames and surface of the wall or roof is required to prevent the junction box from touching the mounting surface and to circulate cooling air around the back of the module The exact space size may be decided by the installer or the system integrator based on the analysis of local weather and the specific roof structure involved yw There are no limitations in the use of PV modules required to meet the building regulation requirements in particular those relating to external fire spread The PV modules can be used in concrete slate or any other kinds of roofs which are strong enough and the modules must be installed appropriately Module installation will must ensure weatherproofing Xx Usually 4 mounting holes is enough the installer can use No 1 group of holes as shown in Figure 5 according to the circumstances System designer and installer are responsible for load calculations and for proper design of support structure gt For the mounting using clips on the long edge of module 4 clips are usually adoptive If additional wind or snow loads are anticipated for this instal
3. yx Please make sure that all the information described in the installation manual is still valid and proper for your installation The mounting method has been verified by VISEL and NOT CERTIFIED by a third party organization The approved way to mount VISEL PV modules to a support structure is to use the bolt holes provided as described in the Specifications Xx Although VISEL does not specify or warrant frame clips or clamps using frame clips not provided or clamps not provided is also possible when they are designed for PV modules and with minimum dimensions on the sides of the module in accordance with the instructions and drawings provided If using frame clips or clamps the modules should be fixed rigidly and there shall be no damage to the modules by deforming mounting structure against design load VISEL does not specify or warrant frame clips yw The VISEL module warranty may be void if customer selected frame clips which are improper or inadequate with respect to the module properties including strength or material or installation Note that if metal clips are used there must be a path to ground from the clips for instance using star washers in the clip hardware set Please review the descriptions and drawings carefully not mounting the modules according to one of these methods may void your warranty Xx These mounting methods are designed to allow module loading of 5400Pa Support structures that PV modules are mounted on should be
4. 19ures Catchlength 8 a d f i N suppor Width ile 190 mm lt e lt 240 mm Figures 5 2 The modules may also be clamped at 4 corners on the short frame part as shown in Figure 6 The mounting clips should meet the minimum dimensions catch width of 5 mm and length of 30 mm as shown in Figure 4 Note that the clip positions are important the clip centerlines must be between 150 mm and 250 mm from the end of the module The maximum snow load is 2400 Pa For 5400Pa loads use four clamps on short frames and two clamps at the centre of each long frame as shown in Figure 6 10 gt JISEL Mounting Using Clips on Long Edge of Module Long Edge Perpendicular to Array Rails 1 The modules may also be mounted using clips on the long sides of the module when the array rails are perpendicular to the long sides as shown in Figure 7 The clip centerlines must be between 190mm and 240mm from the ends of the module Note that the mounting clips should meet the minimum dimensions catch width of 5mm and length of 30mm shown in Figure 4 The array rails must support the bottom of the modules and must be continuous pieces no breaks in the rail The maximum snow load is 5400 Pa 2 The modules may also be mounted on the short sides of the module with four clamps as shown in Figure 8 The module must be supported along the length of the short edge and should overlap the array rail by at least 20mm The clip centerlines must be betw
5. GS Refer to the mechanical and electrical ratings of individual models of PV module in the annex of this manual 10 GROUNDING yx Each PV module has two grounding holes on each short side frame Do not drill additional grounding holes on the frame And the negative pole of the modules must be grounded also Otherwise the module warranty will be void Xx The grounding is considered within the requirement of local regulation at the site of installation yx When needed frame grounding please refer to below example of connection Please be careful in arranging the system ground so that the removal of one module from the circuit will not interrupt the grounding of any other modules The modules should be grounded to the same electrical point yw An example of acceptable ground connection using a screw nut hardware not provided and washer retaining a ground screw is shown in figure 4 The size of the grounding cable should be decided by the professional person who responsible for electrical installation In a connection of this type the hardware such as a toothed locked washer star washer must score the frame surface to make positive electrical contact with the frame The ground wire must be considered within the requirement of local and regulation at the site of installation xX If steel parts used for grounding purpose steel parts must be plated painted or enameled for protection against corrosion before usage 6 11 MOUNTING
6. ammable gases are not generated near the installation site Xx VISEL PV modules have passed the tests in IEC61215 and IEC61730 including damp heat test wet leakage current test and so on The protection level of VISEL PV modules is IP65 The PV modules should not be installed in flooded areas The junction box should be on the higher side of the module when it is mounted yw VISEL recommend that the PV modules should be installed in the place where the operating temperature is from 20 to 46 The operating temperature is the maximum and minimum monthly average temperature of the installation site The limit of working temperature is from 40 to85 yw VISEL PV modules can be used on proper structure or any other place which is suitable for module installation such as ground roof and facade 4 6 TILT ANGLE Xx The tilt angle of the PV module is the angle between the PV module and a horizontal ground surface The PV module generates the maximum output power when it faces the sun directly yw In the Northern Hemisphere the PV modules should typically face south and in the Southern Hemisphere the PV modules should typically face north x For the standalone systems with a battery where the PV modules are attached to a permanent structure the tilt angle of the PV modules should be determined to optimize the performance when the sunlight is the scarcest In general if the electric power generation is adequate when the sunlight is th
7. d to allow module loading of 5400Pa Mounting Using Frame Bolt Holes Figures 1 2 amp 3 According the mounting holes of the frame at location C choose the suitable bolts to mount the module They may be fastened to a support using the bolt holes in the bottom of the frame at location C as shown in Figure 1 back view of the module Figure 2 mounting detail and Figure 3 parts detail The modules are fastened with four M6 bolts Figures Figures 2 ji ion h Groud a Calibration holes s joy ebeujeug Cc 3 4 w J o pi a Figures 3 Frame of the module Gasket Lrt Spring gasket Material Mounting Using Clips on Long Edge of Module Long Edge Parallel to Array Rails 1 The modules may be mounted using clips clamps designed for solar modules as shown in Figures 4 and 5 Note that the clip positions are important the clip centerlines must be between 190mm and 240 mm from the end of the module The module must be supported along the length of the long edge and should overlap the array rail by at least 20 mm Note that the mounting clips should meet the minimum dimensions catch width of 5mm and length of 30 mm as shown in Figure 4 The array rails must support the bottom of the modules and must be continuous pieces no breaks in the rail The maximum snow load is 5400 Pa Figures 4 30mm Mine 5mm Min Catchlensthe ae ae mm
8. e scarcest then the angle chosen should be adequate during the rest of the year For grid connected installations where the PV modules are attached to a permanent structure it is recommended to tilt the PV module at the angle equal to the latitude of the installation site so that the power generation from the PV module will be optimum throughout the year X For the detailed installation angle which is different in different area may refer to the recommendation of the experienced PV modules installation supplier 7 WIRING Xx To ensure proper system operation and to maintain your warranty observe the correct cable connection polarity Figures 2 amp 3 when connecting the modules to a battery or to other modules If not connected correctly the bypass diode could be destroyed x PV modules can be wired in series to increase voltage Connect wires from the positive terminal of one module to the negative terminal of the next module Figure 2 shows modules connected in series yx Connect PV modules in parallel to increase current Connect wires from the positive terminal of one module to the positive terminal on the next module Figure 3 shows modules connected D P S PPara ag gh dh Figure 2 SERIES for more voltage IARI T a IARI aU w a Fa E Figure 3 PARALLEL for more current 5 JISEL 8 INSTALLATION Refer to the installation of individual models of PV module in this manual 9 ELECTRICAL RATIN
9. een 150 mm and 250 mm from the ends of the module The maximum snow load is 2400 Pa For 5400Pa loads use two more clamps at the centre of each long frame as shown in Figure 8 190mm lt s lt 240mm 150mm lt s lt 250mm Figures 7 Figures 8 gt 2 ELECTRICAL INSTALLATION INSTRUCTION Cable characteristics Size 4 0mmz2 Type PV1 F Temperature rating of conductor 40 120 C Module configuration Recommend Maximum parallel strings without proper measures e g fuse and or blocking diode 1 string Note Parallel configuration is not limited in case of taking proper measure e g fuse for protection of module and cable from over current and or blocking diode for prevention of unbalanced strings voltage to block the reverse current flow 11 JISEL 3 WARNING 1 Do not stand or step on the PV module Glass Frame Film and Terminal box 2 Under normal conditions a photovoltaic module is likely to experience conditions that produce more current and or voltage than reported at Standard Test Conditions Accordingly the values of Isc and Voc marked on this module should be multiplied by a factor of 1 25when determining component voltage ratings conductor capacities fuse sizes and size of controls connected to the module output 12
10. f series connection the maximum open circuit voltage must not be greater than the specified maximum system voltage The voltage is proportional to the number of series In case of parallel connection please be sure to take proper measure e g fuse for protection of module and cable from over current and or blocking diode for prevention of unbalanced strings voltage to block the reverse current flow The current may easily flow in a reverse direction lt INSTALLATION SAFETY gt 1 During transportation or storage unless you reach the installation site otherwise do not open the package of the modules 2 Please protect the modules package When loading or unloading the modules please handle with care Do not drop the packed pallet of modules down directly Before open the modules package store the modules in ventilated and dry place When opening the modules package with knife be careful not scratching the module Do not lift the whole module by grabbing the terminal box or cable in any sense Modules are heavy Handle with care Do not drop PV modules far above ground Do not drop one module down on another module 7 Do not stand or step on the module Do not pass by stepping on the module especially when installing maintain and washing the modules 8 Do not hit or put excessive load on the glass or back sheet Do not allow objects fall down on the module 9 Do not cause an excessive load on the surface of PV module o
11. ged 10 Incase the glass surface of a PV module is broken wear goggles and tape the glass to keep the broken pieces in place lt ELECTRICAL SAFETY gt 1 Contact with electrically active parts of a PV module such as terminals can result in burns sparks and lethal shock whether the PV modules is connected or not 2 PV modules produce electricity when the sunlight or other sources illuminate the module surface When the modules are connected in series voltage is cumulative When the modules are connected in parallel current is cumulative As a result a large scale PV system can produce high voltage and current which could present an increased hazard and may cause serious injury or death 3 Do not connect the PV modules directly to the loads since the variation of the output power depending on the solar irradiation causes damage for the connected load 4 Turn off inverters and circuit breakers immediately should a problem occur 5 A defective PV module may generate power even if it is removed from the system It may be dangerous to handle the PV module while exposed to sunlight Place a defective PV module in a carton after PV cells are completely shaded 6 Do not expose PV module to sunlight concentrated with mirrors lenses or similar means 7 Do not shade portions of the PV module surface from the sunlight for a long time The shaded cell may become hot hot spot phenomenon which results in solder joints peeling off 8 Incase o
12. ing down of cables from the terminal box could possibly cause various problems such as animal biting electricity leakage in puddle Dt a JISEL 32 Take proper measures for preventing the laminate consisted of resin cells glass back sheet etc from dropping out of the frame in case the glass is broken 33 Cables shall be located so that they will not be exposed to direct sunlight after installation to prevent degradation of cables 34 When installing the module make sure that the terminal box is on the higher side of the module for better waterproof 4 COMPONENTS Back sheet Os Figure 1 the components of a module 5 SITE SELECTION AND WORK ENVIRONMENT Xx In most applications the PV modules should be installed in a location where there is no shading throughout the year Please make sure that there are no obstructions in the surroundings of the site of installation Xx Take proper steps in order to maintain reliability and safety in case the PV modules are used in areas such as Heavy snow areas Extremely cold areas Strong wind areas Installations over or near water Areas where installations are prone to salt water damage Small islands or desert areas x If you are planning to use the PV modules where the salt water damage may be possible please consult with VISEL local agent first to determine an appropriate installation method or to determine whether the installation is possible yw Make sure fl
13. lation increase the number of clips to 6 or 8 as required System designer and installer are responsible for load calculations and for proper design of Support structure Figure 5 mounting holes 7 12 MAINTENANCE Xx The modules are designed for long life The regular inspection and maintenance of the module must be carried out especially during the warranty period It is the responsibility user must bear When the module gets damaged inform the supplier in time usually 2 weeks X If the angle of the PV module is 5 degrees or more normal rainfall is sufficient to keep the module glass surface clean under most weather conditions If dirt build up becomes excessive clean the glass surface only with a soft cloth using water If cleaning the back of the module is required take utmost care not to damage the back side materials Do not use acidic or alkaline cleaning agent to wash the modules Xx Do not trample on the module when wash it Do the security work X In order to ensure the operation of the system please check the connection of wiring and the state of the jacket of wires every now and then JISEL INSTALLATION MANUAL PHOTOVOLTAIC MODULES 1 INSTALLATION The mounting method has been verified by VISEL and NOT CERTIFIED by a third party organization Please review the descriptions and drawings carefully not mounting the modules according to one of these methods may void your warranty These mounting methods are designe
14. nstalling or using the modules Please be aware that there is a Serious risk of various types of injury occurring during the installation including the risk of electric shock yw All VISEL PV modules are equipped with a permanently attached junction terminal box that will accept variety of wiring applications or with a special cable assembly for ease of installation and they do not require special assembly Xx VISEL PV modules are designed in accordance with the international standard IEC61215 IEC61730 The solar modules have been qualified for application class A equivalent to safety class Il requirements 3 RULES AND REGULATIONS The mechanical and electrical installation of the module should obey local regulations including electrical law construction law and electricity connection requirements These regulations are different in different installation site such as the installation on the building roof different installation environment of the power station Requirements may also differ with the system voltage the use of AC or DC For the specific terms please contact local authority Before installing the PV module contact appropriate authorities to determine permit installation and inspection requirements that should be followed lt GENERAL SAFETY gt 1 Installing PV modules and ground frames should be in accordance with applicable rules and regulations 2 Only installer service personnel should have access to the PV m
15. odule installation site In order to avoid a risk of injury or electrical shock do not allow anyone to approach the PV module if the person has little knowledge on PV module or on the measures that should be taken when PV modules are damaged 3 No matter where the PV modules are installed either roof mounted construction or any other type of structures above the ground appropriate safety practices should be followed and required safety equipment should be used in order to avoid possible safety hazards Note that the installation of some PV modules on roofs may re quire the addition of fireproofing depending on local building fire codes 4 Inthe case that the PV modules are non integral type the module is to be mounted over a fire resistant roof 5 Follow all safety precautions of other components used in the system 6 Do not clean the glass surface with chemicals Do not let water stay on the glass surface of PV modules for a long time This creates a risk of white efflorescence glass disease which may result in the deterioration of energy generation 7 Do not install the PV module horizontally It may cause dirt or white efflorescence glass disease due to water 8 Do not cover the water drain holes of the frame There is a risk of frost damage when the frame is filled with water 9 When sliding snow load has to be considered an appropriate measure has to be taken so that PV module frames on lower edge of PV modules will not be dama
16. other suitable sufficiently opaque material to isolate the PV module from incident light and handle the wires with rubber gloved hands to avoid electric shock 20 Always wear protective head gear insulating gloves and safety shoes with rubber soles 21 Do not touch the PV module unnecessarily during installation The glass surface and the frames get hot There is a risk of burn or you may collapse because of electric shock 22 Do not work under rain snow or windy conditions 23 Do not touch the terminal box and the end of output cables the cable ends connectors with bare hands during installation or under sunlight regardless of whether the PV module is connected to or disconnected from the system 24 Plug in the connector tight and ensure the wiring work Do not unplug the connector if the system circuit is connected to a load 25 Do not stomp on the glass at work There is a riskof injury or electric shock if glass is broken 26 Do not work alone always work as a team of 2 or more people 27 When installing PV modules far above ground wear a safety belt do not drop any object e g PV module or tools 28 Do not wear metallic jewelry which can cause electric shock during installation 29 Do not damage the back sheet of PV modules when fastening the PV modules to a support by bolts 30 Do not damage the surrounding PV modules or mounting structure when replacing a PV module 31 Bind cables by the insulation locks Droop
17. r twist the frame 10 Do not scratch or hit at the back sheet Do not hit on the terminal box or do not pull the cables Please notice the ground condition when the module is placed horizontally with back sheet faced down 11 Do not try to unpick the module remove any parts or the nameplate of the module 12 Do not brush oil paint or any other adhesive on the surface of the module Do not scratch the insulation coating of the frame except for grounding connection It may cause corrosion of the frame or compromise the framework strength 13 Do not drill holes in the frame It may compromise the frame strength and cause corrosion of the frame 14 Do not repair glass back sheet or other broken part of the module 15 Please install with dry tools in dry condition Do not operate when the module is wet unless wear proper equipment against electrical shock 16 Do not grab the PV module at only one side The frame may bend Grab the PV module at two sides facing each other 17 Do not touch the PV module with bare hands The frame of PV module has sharp edges and may cause injury 18 Do not scratch the output cable or bend it with force The insulation of output cable can break and may result in electricity leakage or shock 19 Do not try artificially to concentrate sunlight on the PV module Never touch terminal box or the end of output cables with bare hands when the PV module is irradiated Cover the surface of PV module with cloth or
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