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1. Solar JUST SOLAR PV MODULE INSTALLATION MANUAL 1 INTRODUCTION The user manual contains information regarding the installation and safe handling of Justsolar PV modules All instructions should be read and understood before attempting installation If there are any questions please contact your dealer or Just solar for further information The installer should conform to all safety precautions in the manual when installing modules Before installing a solar PV system the installer should become familiar with the mechanical and electrical requirements for PV system Keep this user manual in a safe place for future reference A WARNING INSTALLATION GENERAL USE gt DO NOT use the PV module where failure could result in death personal injury or damage to property gt Make certain that PV module conforms to the specifications for the total system GENERAL HANDLING gt Handle the PV module with care DO NOT disassemble the PV module DO NOT alter or remove any component DO NOT bend the PV module DO NOT stand or step on a module to avoid personal injury and the damage to a module DO NOT impact on front or rear surface of the PV module Rear surface may be damaged by sharp objects DO NOT throw and drop the PV module DO NOT touch live parts of wires cables connectors or junction boxes Be sure the circuit breaker is off if it is applicable Always use appropriate safety equipment insulated tools insulating gloves insulat2. all 8 mounting holes must be used with M8 bolts If mounting with clamps the tightening torque using stainless steel M8 must be more than 15 Nm ELECTRICAL INSTALLATION Safety class in accordance with IEC 61140 Only authorized and trained personnel should have access to PV modules The system involves electricity and can be dangerous if the personnel are not familiar with the appropriate safety procedures A v v y gt gt The oxidation film of PV modules frame must be more than 16 micron All mounting structure and installation components must be hot galvanized before used A WARNING GROUNDING All module frames must be properly grounded gt Devices listed and identified for grounding metallic frames of PV Observe all local electric codes and regulations modules are permitted to ground the exposed metallic frames of the module to grounded mounting structure A bonding or toothed washer is required to make proper and reliable gt Grounding the module properly as appropriate for the conditions t the electrical grounding connection with the anodized aluminum frame MaiaAHOn Sie a Method 1 Secure the stainless steel screw to the grounding hole gt Stainless steel washer with appropriate corrosion resistant coating should be inserted between copper wire and the frame to avoid As shown in the figure 3 copper wire should be compressed by the oad galvanic corrosion ie gt Proper cupped washer should be i
3. Power Pm W 3 JST M240P 230 7 20 7 2 Max Power Voltage Vn Max Power Current Im A oO sc Open Circuit Voltage V Cell Efficiency 13 70 14 4 15 1 15 8 Maximum System Voltage 1000 TUV 600 UL v Circui AV i V ing A Maximum Series Fuse Rating JSTM250P JSTM260P JSEM270P JSTM280P Max Power Voltage Vm ase as 3 32 Max Power Pn W 35 Max Power Current In A Open Circuit Voltage Vo Sc Cell Efficiency 14 38 14 8 15 4 16 0 Maximum System Voltage 1000 TUV 600 V Circui V V i ing A 4 600 UL Maximum Series Fuse Rating Note The electrical characteristics are within 10 of the indicated values of Isc Voc and Pm under Standard Test Conditions Irradiance of 1000W m AM 1 5 spectrums and a cell temperature of 25 C MAINTENANCE Just solar recommends the following maintenance items to ensure optimum performance of the module gt DO NOT touch live parts of wires cables connectors and junction boxes Be sure the circuit breaker is off if it is applicable Always use appropriate safety equipment insulated tools insulated gloves etc Clean the glass surface of the modules as necessary Use water and a soft sponge or cloth for cleaning A mild non abrasive cleaning agent can be used if necessary Do not use dishwasher detergent Electrical and mechanical connections should be checked periodically by qualified personnel to verify that
4. correctly gt Connect the required number of PV modules to meet the voltage specification for equipment used in the PV system gt Wire the output cable connectors so that they do not exert any force or pressure on the PV module s junction box Attach the cable to the mounting frame using approved fasteners The connectors should be placed behind the mounting frame so that the connectors can t be directly exposed to sunlight wind and rain To extend the cable use proper commercial cables and connectors that can withstand outdoor use for long periods Select the appropriate cable size according to its length to avoid voltage drop Note For field connection use minimum No 10 AWG copper wires insulated for a minimum of 90 C B ELECTRICAL RATINGS OF THE CONCERNED MODULES oc a Short Circuit Current lse A Cell Efficiency Maximum System Voltage V Maximum Series Fuse Rating A 42 8 43 2 15 0 15 5 16 0 16 5 17 0 17 5 1000 TUV 600 UL 15 Power Tolerance JST M180P JST M190P JST M200P JST M210P Max Power P W 180 190 200 Max Power Voltage Vn V Max Power Current In A Open Circuit Voltage Voe V Short Circuit Current lsc A Cell Efficiency Maximum System Voltage V Maximum Series Fuse Rating A 7 72 20 7 86 7 98 13 7 14 5 15 2 16 0 1000 TUV 600 UL Power Tolerance 3 4 www just solar net JSEM200P JSEM210P JSEM220P JSFEM230P Max
5. e spring washers and flat washers to fasten the PV module Install the PV module securely such as fastening the appropriate bolts with double nuts and locking washers Fig 1 Mounting to frame Reference 1 4 www just solar net 3 Solar b MOUNTING WITH CLIPS Base profile should be placed in perpendicular to the longer side frame of module in principle Module shall be fixed at 4 places or more on the longer side frames Refer to the figure and table for the allowable area to be fixed Close the gap between the material and frame and secure without losing by M6 or larger bolts M8 for where the heavy snow load is expected The clip centerlines must be between 1 8L and 1 4L on the long sides of the modules Note that the mounting clips should meet the minimum dimensions catch width of 5mm and length of 30mm Support Width Use the clipping material with sufficient strength and the shape that can withstand forces from wind pressure and snowfall pressure specific to local climate The tightening torque using stainless steel M8 must be more than 15 Nm Add some measure to prevent the module from unfastening or sliding down so that the fallen module doesn t cause any damage for person or property wean OAOA gt er Clip 3mm Min ll Catch Width Za on Frame 10mm Min oe gt Rail Fig 2 Clipping method c INSTALLATION SUPPORT AT SEA SIDE SAIL MIST AND HIGH WIND CONDITION If mounting with bolts
6. ed snow Connect a circuit breaker or some equipment to detect the leakage current and then break the circuit The modules should not be shaded at any time of the day DO NOT install the module near equipment or in locations where flammable gases can be be generated or collected B SELECTING THE PROPER MOUNTING STRUCTURE AND HARDWARE gt Observe all instructions and safety precautions included with the mounting system to be used with the modules gt DO NOT drill holes in the glass surface of the modules Doing so will void the warranty gt DO NOT drill additional mounting holes in the module frame Doing so will void the warranty C MOUNTING METHODS a MOUNTING WITH BOLTS gt Use the 4 corner holes of the PV module to bolt M8 to the mounting frame gt When more strength is required use all 8 holes on two long sides Aluminum wame of the Py Balt set Screw tabagar Tat washer Spring washer 7 nut Eini timer Pa PT BANT i iharewark gt maduk ae ee Modules must be securely attached to the mounting structure using four mounting points for normal installation If heavy wind or snow loads are anticipated additional mounting points should also be used Please see the drawing below Load calculations are the responsibility of the system designer or installer The mounting structure and hardware must be made of durable corrosion and UV resistant material Us
7. ing shoes etc DO NOT use the cables or connectors as a handle MECHANICAL INSTALLATION SELECTING THE LOCATION Select a suitable location for installation of the module For optimum performance the module must be facing true south in northern latitudes and true north in southern latitudes For detailed information on optimal module orientation refer to standard solar PV installation guides or a reputable solar installer or systems integrator vy gt N Vv Installers should be qualified personnel who are experienced with electrical work and the installation of PV systems DO NOT use damaged PV modules A damaged PV module may cause a fire or an electrical shock with personal injury or even death DO NOT expose the PV module to artificially concentrated sunlight Cover the front surface of the PV module with an opaque cloth or other material when installing and repairing The PV module exposed to sunlight generates a high voltage and current Contact with the module output wiring may cause a fire or an electrical shock Fasten the PV modules to the mounting frame firmly so that the modules will not be affected by wind and snow loads The frame should meet relevant building standards DO NOT block frame drain holes at each corner of module Ground securely the PV modules and the mounting frame Install the PV modules securely and properly to avoid accidents with personal injury or even death and damage to property by accumulat
8. nserted between copper wire and screw head GROUNDING HOLE STAINLESS STEEL SCREW 32 THREADS PER INCH L STAINLESS STEEL WASHER F A COPPER WIRE STAINLESS STEEL WASHER Fig 3 Grounding method 1 2 4 www just solar net Solar b Method 2 gt Ifthe mounting holes are not used to fix the module one of them can be used for grounding gt The appropriate device like grounding lug as shown in the figure 4 should be secured by stainless steel bolt nut and washers Toothed washer shall be inserted between the nut and the frame to break the anodized layer of frame Stainless steel washer with appropriate corrosion resistant coating should be inserted between the grounding lug and frame MOUNTING HOLE BOLT STAINLESS STEEL NUT STAINLESS STEEL t TOOTHED WASHER a COPPER WIRE I STAINLESS STEEL STAINLESS STEEL WASHER GROUNDING LUG Fig 4 Grounding method 2 A WARNING Vv DO NOT short the positive and negative cables Make sure connectors are fully engaged without a gap between the v insulators and shall be locked In case there is a gap a fire or an eletrical shock may occur A CAUTION gt The PV module has a pair of male and female waterproof connectors For a series electrical connection connect the positive connector of the first PV module to the negative connector of the following module gt Connect the output cable to the other equipment in the system
9. they are clean gt secure and undamaged Check if nuts bolts of mounting frame are secure and not loose Tighten all loose components Check connections of cables grounding cables and connectors Check all electrical and mechanical connections for freedom from corrosion Check the grounding resistance of metal parts such as the module frame and the mounting frame A ATTENSION Do NOT concentrate solar light on the module as it has not been designed for this use Just solar PV modules are qualified for safety through IEC 617301 and within this application class is considered to meet the requirements of IEC 61730 class A class Il Just solar PV module assembly is to be mounted over a fire resistant roof covering rated for the application 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 25 when determining component voltage ratings conductor ampacities fuse sizes and size of controls connected to the PV output A WARNING Failure to perform the checks and minimum maintenance operations established in this instruction manual will lead to the withdrawal of all guarantees of JUST SOLAR CO LIMITED for any responsibilities which may be derived from such failure 4 4 www just solar net
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