INSTALLATION MANUAL hotovoltic 2
Contents
1. high buildings In the northern hemisphere in order to obtain maximum yields the modules must be directed southwards whilst in the southern hemisphere they must be directed northwards The most favourable inclination of the system is in accordance with the latitude of the place of installation for example 30 in Italy Different angles will diminish the efficiency of the module reducing he power production of the system Angle of inclination of the modules ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se Eco Production modules connected in series must be installed with the same orientation and angle different angles or orientation may cause reduction in the power generated because of the different quantity of solar radiation that the modules receive The modules will produce maximum power when they are directed towards sunlight and it is advised therefore in case of mounting on fixed structures to consider the best performance parameters that are obtained during the winter season because if adequate they will be suitable even during the other months of the year Installation During the mounting phase the installer must respect all the regulations and provisions in force regarding safety and construction which specifically relate to photovoltaic systems Before mounting the system make sure that you have taken into consider2. on the case new joints or a silicone sealant 12 POSSIBLE BREAKDOWNS Thanks to the rigorous quality control the photovoltaic modules undergo before being sold breakages are very infrequent The following can be checked on which are mostly due to causes unrelated to the manufacturing process 1 Breakage of module glass ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se 2 Water penetration on the inside of the modules and related oxidation of the internal circuitry of the cells and the soldering of the connections 3 Breakage to the connecting system connections and water penetration into the terminal box of the modules 4 Dirtiness or partial shading 5 Manufacturing defects 1 Breakage of glass Glass breakage usually occurs as a result of external actions erroneous installation impacts stone throwing etc There have also been noted cases of breakage during transport to the work site Breakage of tempered glass often happens in the form of total splintering of the surface clearly showing the point of impact The splintering reduces its output by about 30 even if the module continues to work It is therefore recommended to change the module as soon as possible so as to guarantee full working of the system 2 Damp penetration in the modules Even if this is an infrequent damage it can happen as a result of impacts a
3. pressure with other fixing systems e Installation must be carried out by qualified personnel only e Check the mechanical integrity of the module before installation e Only use undamaged modules e Do not leave a module open and not mounted Capsizing could cause breakage of the glass If the glass is broken the module cannot be used The electrical values are obtained from a standard measurement equivalent to an irradiance of 1000 W m2 air mass 1 5 spectral distribution and a cell temperature of 25 C The actual working conditions of the modules once installed can be somewhat different from those of the laboratory for this reason it is appropriate to know the possible changes that can occur in order to make corrections as far as calculations are concerned Whilst the current generated by a photovoltaic module is proportional to the intensity of solar radiation on the other hand the voltage changes with the temperature of the cells Both of these effects are shown in the graphs below 3 Technical Data The photovoltaic modules produced by Eco Production utilize high efficiency pseudo square mono or polycrystalline silicon cells for transforming solar radiation into direct current electrical energy The cell circuit is laminated using E V A Ethyl Vinyl Acetate sheet as encapsulation in a composite formed by tempered glass on the upper side and a plastic polymer TEDLAR on the underside resistant to environmental agents and provided wit
4. the system with suitable protection devices to prevent discharges of 30V DC or more on anyone Given that in modules connected in series the voltages are summed whilst in parallel connections the currents are summed a photovoltaic system can lead to high voltages and currents thus constituting a further danger If the modules are used with batteries follow all the safety recommendations supplied by the producer e Under normal conditions a photovoltaic module can produce more current and or voltage than what is indicated under standard conditions Therefore the ISC and VOC values shown on the label of module features could be multiplied by a factor of 1 25 to determine the maximum admissible values of installed components with respect to voltage current cable diameter fuses and measurement of the controls connected at the exit of the photovoltaic generator If installed on a roof ensure that the module is fixed with a mechanical fixture The roof must have an appropriate level of fire resistance for the application e Eco Production modules are supplied with cables having the features indicated in the technical datasheet of each module with a working temperature range between 40 C and 90 C Fix the earth wire to the corresponding hole figure 10 in the frame using a mechanical fixing system like metallic nuts and bolts not supplied 9 GROUNDING All module frames and mounting racks must be properly grounded in accordance with res
5. ECOPRODUCTION ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se INSTALLATION MANUAL MANUAL FOR INSTALLATION USE AND MAINTENANCE OF ENERGY PHOTOVOLTAIC MODULES INDEX INTRODUCTION GENERAL PRECAUTIONS TECHNICAL DATA PROTECTION DIODES JUNCTION BOXES MOUNTING OF THE MODULE FURTHER ADVICE ON USE WARNINGS AND ELECTRICAL RISKS GROUNDING 10 CONNECTION LIMITS OF MODULES IN SERIES AND IN PARALLEL 11 MAINTENANCE OF PHOTOVOLTAIC GENERATOR POSSIBLE BREAKDOWNS 13 CERTIFICATIONS OOANDABRWN 1 INTRODUCTION Eco Productions designs produces and distributes its own brand of photovoltaic modules Since it was founded in 1996 the company has offered efficient modules of high power and high quality The experience professionalism and technical competence developed over the years allow Eco Production to offer a wide range of modules in mono and poly crystalline silicon suitable for small installations up to large photovoltaic parks Eco Productions mission is to position itself as a reference partner in the process of changing the management of global energy through the production of photovoltaic modules able to satisfy current and future energy requirements To offer customers high power modules of high quality is a Company must Eco Production is becoming an established and recognized group on the inte
6. ation all the static parameters of construction using only mounting systems that meet the loads and stress foreseen at the place of installation e g snow wind hail temperature humidity Choice of the installation site For the installation it is recommended that you choose an area that is constantly exposed to sunlight during all the months of the year avoiding areas of shade and taking into consideration vegetation growth in the vicinity Also take into consideration vegetation that will grow tall and any high buildings In the northern hemisphere in order to obtain maximum yields the modules must be directed southwards whilst in the southern hemisphere they must be directed northwards The most favorable inclination of the system is in accordance with the latitude of the place of installation for example 30 in Italy Different angles will diminish the efficiency of the module reducing he power production of the system Angle of inclination of the modules Eco Productions modules connected in series must be installed with the same orientation and angle different angles or orientation may cause reduction in the power generated because of the different quantity of solar radiation that the modules receive The modules will produce maximum power when they are directed towards sunlight and it is advised therefore in case of mounting on fixed structures to consider the best performance parameters that are obtained during the winter seas
7. due Layers of dust that reduce the intensity of the sun in a uniform manner are not dangerous and the reduction in power is not generally significant The frequency of cleaning depends logically on the intensity of the soiling process It is appropriate to avoid deposits of bird droppings by installing as mall plastic antenna array on the high part of the module to prevent their perching Rain can in many cases reduce to a minimum or eliminate the need to clean the modules Cleaning can in general be carried out by the user It simply consists of washing the photovoltaic modules with water and a non abrasive detergent avoiding the accumulation of water on the photovoltaic modules Under no circumstances must pressure washers be used 2 Visual inspection of the modules is for the purpose of finding any breakages such as Any broken glass e Oxidation of the circuits and welding of the photovoltaic cells mostly due to dampness in the module following breakage of the layers of packaging during transport or installation stage 3 Carry out preventative maintenance every 6 months as follows e Check the fixing and state of the terminals of the cabling connecting the modules e Check the waterproofing of the terminal boxes Whenever waterproof problems are revealed it will be necessary to provide for replacement of the parts concerned and cleaning of the terminals It is important to look after the sealing of the terminal boxes using depending
8. ed to bear high voltages The Class II Electrical Safety certificate guarantees that they are insulated up to a voltage of 1000VDC IEC standard Consequently the modules can be connected in series until this voltage limit is reached All Eco Production modules may be connected in parallel depending on the type of charge controller frequency converter or relative equipment suitable for that specific series of modules 11 MAINTENANCE OF THE PHOTOVOLTAIC GENERATOR Given its structure without moving parts and seeing that the internal circuit of the cells and the soldering of the connections are insulated from the external environment by layered protective material the photovoltaic modules require a limited degree of maintenance In addition Eco Production makes rigorous quality checks during all the production phases up to delivery to the customer Maintenance operations consist of 1 regular cleaning of the module 2 visual inspection of any internal deterioration of the waterproof seals of the module 3 checks on the state of electrical connections and wiring 4 Ultimately a check of the electrical features of the module 1 Dirt accumulated on the transparent cover of the modules reduces their output and can provoke inversion effects similar to those produced by shade This problem can be particularly serious in the case of industrial residues and bird droppings The intensity of the effect depends on the opaqueness of the resi
9. el and for every degree over 25 C It must be said that the temperature of the cell referred to does not coincide with the environmental temperature given that the cell warms up with the incident solar radiation The increase in cell temperature in relation to the air temperature is a function of their own characteristics and that of the module construction As a function of the incident radiation temperature and supply load a photovoltaic module can work at different values of current and voltage ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se Fig 4 Schematic diagram of the characteristic curve I V of a photovoltaic module together with a curve of generated power and the two different working points A and B ert inA Cet cum Vin V Yo Vv It can be seen that the closer the photovoltaic module gets to the voltage of maximum potential the greater is the power that it obtains Summarizing depending on the solar radiation the temperature of the cells and the apparatus it is connected to the photovoltaic module generates a certain current and a fixed working voltage whose product indicates the power generated by the module The technical data sheets of Eco Production products show the physical characteristics of each module and the characteristic curves I V in accordance with t
10. h electrical insulation The laminate is inserted in an anodized aluminum structure The IP65 junction boxes made with plastic resistant to high temperatures contain the cable glands connecting terminals and protection diodes by pass diodes The frame has various holes for fixing the module to a support structure and to the floor whenever it is necessary ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se Fig 1 Represents schematically a section of a photovoltaic module 1 Aluminium frame 2 Seal 3 Glass 4 Encapsulating EVA 5 Cell 6 Backsheet Fig 2 Variation of curve I V as a function of incident solar radiation at constant cell temperature Fig 3 Variation of curve l V as a function of cell temperature at constant incident radiation 920 pA 1000W m Cell Temp 25 C 7 00 600 ak ee 5 5 U 4 00 50 C 5 00 0 O gt 200w m 75 C 2 00 gr gt s 0 1 20 0 90 0 00 20 90 30 00 40 90 50 22 0 00 30 00 40 20 50 20 Voltage V Voltage V based on FVG 72 156 FVG 285M MC model The variation in electrical output of the modules in accordance with the temperature is as follows e The voltage decreases at the rate of 2 22 mV C for every cell in series in the module and for every degree above 25 C e The current increases by about 17uA cm2 0C of area of cells in parall
11. he incident solar radiation and temperature of the cell Under normal conditions it is probable that a photovoltaic module with mono 4 PROTECTION DIODES The shading of a cell can induce an inverse voltage in that particular cell Consequently it would consume power generated by the other cells in series with undesirable heating of the shaded cell Such an effect called a hot spot will be as great as the incident radiation on the rest of the cells and the less shall be the incident radiation on this cell as a result of the shade In an extreme case the cell could shatter from overheating The use of protection or by pass diodes reduces the risk of heating of the shaded cells limiting the current that passes through them and in this way avoiding damage In general the modules having a number of cells equal to or greater than 33 in series the ranges produced by Eco Production start from 36 cells upwards are supplied with protection diodes placed in the junction box as can be seen in the diagram of same in the following chapter In the modules with a lower number of cells in series the by pass diodes are not necessary in that the hot spot does not reach the level at which the cells could break ECO PRODUCTION UK SWEDEN Arl vsv gen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se 5 JUNCTION BOXES The junction boxes of the modules are placed on the rear As mentioned abo
12. imize the performance It must further be remembered that the modules must not be installed closing the small egg shaped water drainage holes present on the back of the frame of the module The modules are not made specifically for integrated mounting on roofs or walls unless one uses special mounting structures that guarantee the complete safety of the building Cabling All the cabling must be carried out in conformity with the specific regulations in effect in that particular country Correct cabling is obtained by using adequate connection cables that must be kept protected from possible damages by making sure of the correct polarity Only modules with the same voltage and in parallel with the same tension must be connected in series It is necessary to use a cable that has an adequate section for the conduction of the sum of current generated by the modules We recommend the use of PV1 F compliant cables The conductor to be used must not have a cross section area smaller than 4 mm2 For the models larger than 200 W it is advisable to use a cross section area of 6 mm2 If a larger section is deemed necessary to carry the power to the relative equipment then external connection boxes must be used that allow larger cable sections for the longer stretches 1 The frame of each module has 4 mounting holes that are necessary to fix the module to the support structure The frame must be fixed to the mounting rail using the corrosion inhibiting sc
13. le even during the other months of the year During the mounting phase the installer must respect all the regulations and provisions in force regarding safety and construction which specifically relate to photovoltaic systems Before mounting the system make sure that you have taken into consideration all the static parameters of construction using only mounting systems that meet the loads and stress foreseen at the place of installation e g snow wind hail temperature humidity Choice of the installation site For the installation it is recommended that you choose an area that is constantly exposed to sunlight ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se during all the months of the year avoiding areas of shade and taking into consideration vegetation growth in the vicinity Also take into consideration vegetation that will grow tall and any high buildings In the northern hemisphere in order to obtain maximum yields the modules must be directed southwards whilst in the southern hemisphere they must be directed northwards The most favorable inclination of the system is in accordance with the latitude of the place of installation for example 30 in Italy Different angles will diminish the efficiency of the module reducing he power production of the system Angle of inclination of the modules Eco Production mod
14. nd scratches on the rear TEDLARfrom external attack When damp penetrates as far as the cell circuits and their connections it gives rise to corrosion that reduces and manages to break the electrical contacts of the electrodes with the cell material preventing the collection of electrons and making the module unable to be used The voltage and current are reduced to zero and the module must be replaced promptly As this damage will sooner or later affect the whole system whenever serious deterioration of the module is found during maintenance it is preferable to arrange for its replacement to avoid further costs 3 Damage to module connections Given the temperature variation for example between day and night a loosening in the cable connections of the modules can occur For this reason it is necessary to regularly inspect the connections for example at half yearly intervals arranging to tighten them if necessary During installation check the waterproofing of the junction boxes by means of the cable glands In the event of water seeping into the connection box its presence on the contacts causes a voltage drop in the circuit and consequently a fall in the generated power The remedy is to clean the connection terminals and replace the connection junction boxes or cable glands if found to be faulty It is useful to use a spray for the terminals which is used in the electronics field 4 Effect of shade The shade effect or hot spot is ca
15. on because if adequate they will be suitable even during the other months of the year Installation The installation procedure also includes the electrical part and therefore can be potentially dangerous if carried out by unqualified personnel Do not use modules of different makes in the same system If the modules are connected in series the tension of the array cannot exceed the maximum tension of the system As a reference the maximum number of modules can easily be calculated by dividing the Max System Voltage of the module present in the technical data of each Eco Production module with the respective Voc parameter no load voltage of the module When the size of the system is worked out the variation of the tension must always be considered in relation to the temperature Voc parameter diminishes with the increase in temperature and vice versa With the connection in series which is done when a positive connector of a module is connected to a negative connector of the subsequent module the total tension of the entire array will be equal to the total of all the modules In the case instead of a parallel connection that is when the positive connectors of a number of modules are connected to their negative connectors the total current generated will be equal to the sum of the current of all the modules connected in parallel It is advisable to insert the fuses of each single array of modules before connecting one array to anothe
16. onnections respect the electrical polarity of all the elements connecting them in the following order battery modules and DC loads e The cross sectional area of the wires employed must be able to guarantee that the voltage drop in the system does not exceed 2 of its nominal voltage e The connection between modules is made using the cables with the connectors supplied For more detailed information related to the connection of cables and diodes consult the technical data sheet of each single module 8 WARNINGS AND ELECTRICAL RISKS e A photovoltaic module generates electricity when exposed to sunlight or other light sources Cover the surface completely with an opaque material during installation dismantling and handling If protective fuses are utilized follow the instructions in the attached technical specification sheet e Use tools covered with suitable insulation material when working on the module e Always work in dry conditions regarding both the module and the tools Do not install the module in the presence of gas or inflammable vapors in order to avoid the formation of sparks e Avoid electrical discharges during installation cabling starting up of the system or maintenance of the module ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se e Do not touch the terminals while the module is exposed to light Equip
17. pective national electrical code Proper grounding is achieved by bonding the module frame s and all metallic structural members together continuously using a suitable grounding conductor The grounding conductor or strap may be copper copper alloy 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 4mm diameter grounding holes marked GR on the module frame with a set of M4 screw cup washer flat washer tooth washer and M4 nut This is to ensure positive electrical contact with the frame As a general rule avoid direct contact of copper or copper alloyed ground conductors with the aluminum module frame All ground bond securing hardware in contact with either the aluminum round condo module frame and or copper or copper alloy actors must be stainless steel Fig 8 Positioning of the earth wire Fig 9 Schematic drawing for SPV module grounding M4 Nut I Cable an D D A T AA C gt Tooth Washer Flat Washer Cup Washer M4 Screw ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se 10 CONNECTION LIMITS OF MODULES IN SERIES AND IN PARALLEL The Eco Production photovoltaic modules are manufactur
18. r When necessary install isolation diodes in order to protect the modules from damages caused by inverse current The frame of the module is made of anodized aluminum and ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se therefore subject to corrosion if the module is installed in an environment where salt water is in direct contact with the supports made with anothertype of metal galvanic corrosion If necessary a seal made of PVC or stainless steel can be fitted between the frame of the module and the support structure in order to avoid this type of corrosion The Eco Production modules may be mounted using different methods the types listed below are for reference purposes only 1 Using corrosion inhibiting screws in the appropriate installation holes present in the module 2 Using specific clamps and profiles on the long side of the frame of the module to connect the various modules oriented as in a portrait painting 3 using specific clamps on the short side of the frame of the module to connect the various modules Fig 6 Section of photovoltaic field for installation with screws H I M8 screw lo Washer Iang I Nut The module must be installed in such a way that air can freely move around it In this way the work temperature of the cells can be reduced and as a consequence opt
19. rews M8 together with the washers in 4 symmetrical points ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se 2 This installation procedure foresees the use of a certain number of clamps to fix the module to the mounting rail The clamps must not come into contact with the front glass and must not deform the frame of the module In this case at least 4 clamps for each module must be used 2 on each of the long sides According to specific environmental conditions more clamps can be used in order to support heavier loads for example snow and strong wind 3 With respect to the previous procedure only the orientation of the module in respect to the mounting rail changes and therefore the side of the frame on which the clamps are fixed short side instead of the long side Fig 7 Section of the photovoltaic field for installation with clamps 7 FURTHER ADVICES ON USE e The Eco Production modules have specific standard measurements see technical data sheets It is recommended to mount the modules on the support structure chosen using the respective holes and suitable screws In mounting various modules make sure that they do not shade each other Whenever a regulator is used it will be necessary to install it in an easily accessible position in order that the user can check the control elements When carrying out c
20. rnational scene as a point of reference among photovoltaic producers offering a wide range of products qualitatively superior and economically competitive to meet present and future needs of the entire sector 2 GENERAL PRECAUTIONS Carefully read all the installation and safety instructions set out in this document before carrying out any kind of installation connection and handling of the photovoltaic module The advice given for one photovoltaic module is applicable to other modules Eco Production declines any responsibility related to loss breakage deterioration or additional costs as a result of wrongful handling of the product on the part of personnel not from this company ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se e Keep the modules in their original packaging until the moment of installation Do not drop the module or throw things at it Do not step or walk on same e Use the module only for the application for which it was intended e Do not dismantle the module or remove any part label or piece including the protection diodes installed by the producer unless otherwise specifically authorized e Keep the module in a horizontal position without bending or twisting it e Do not concentrate sunlight or other sources of artificial light on the module e Do not perforate the frame of the module or subject it to
21. tion all the static parameters of construction using only mounting systems that meet the loads and stress foreseen at the place of installation e g snow wind hail temperature humidity Choice of the installation site For the installation it is recommended that you choose an area that is constantly exposed to sunlight during all the months of the year avoiding areas of shade and taking into consideration vegetation growth in the vicinity Also take into consideration vegetation that will grow tall and any high buildings In the northern hemisphere in order to obtain maximum yields the modules must be directed southwards whilst in the southern hemisphere they must be directed northwards The most favorable inclination of the system is in accordance with the latitude of the place of installation for example 30 in Italy Different angles will diminish the efficiency of the module reducing the power production of the system FVG ENERGY modules connected in series must be installed with the same orientation and angle different angles or orientation may cause reduction in the power generated because of the different quantity of solar radiation that the modules receive The modules will produce maximum power when they are directed towards sunlight and it is advised therefore in case of mounting on fixed structures to consider the best performance parameters that are obtained during the winter season because if adequate they will be suitab
22. ules connected in series must be installed with the same orientation and angle different angles or orientation may cause reduction in the power generated because of the different quantity of solar radiation that the modules receive The modules will produce maximum power when they are directed towards sunlight and it is advised therefore in case of mounting on fixed structures to consider the best performance parameters that are obtained during the winter season because if adequate they will be suitable even during the other months of the year Fig 5 How to measure the angle of inclination of the module SUN RAYS NN MODULE ANGLE OF INCLINATION I HORIZONTAL PLANE During the mounting phase the installer must respect all the regulations and provisions in force regarding safety and construction which specifically relate to photovoltaic systems Before mounting the system make sure that you have taken into consideration all the static parameters of construction using only mounting systems that meet the loads and stress foreseen at the place of installation e g snow wind hail temperature humidity Choice of the installation site For the installation it is recommended that you choose an area that is constantly exposed to sunlight during all the months of the year avoiding areas of shade and taking into consideration vegetation growth in the vicinity Also take into consideration vegetation that will grow tall and any
23. used by localized shade in one or various module cells while the remaining cells receive high radiation It is necessary to find a remedy by eliminating the cause of shading To avoid cell deterioration protective diodes are provided as per chapter 3 5 Manufacturing defects If present manufacturing defects will become apparent during the early days of use However they are rather rare with an occurrence of less than one per thousand given the rigorous quality control undertaken in the Eco Productions factory 13 CERTIFICATIONS Eco Production supplies modules in accordance with national and international standards as follows e ISO 9001 2008 Quality Company Management e IEC 61215 certificate of conformity second edition with tests carried out by Euro Test Laboratory of Padua an entity recognized on an international level by TUV e The photovoltaic modules produced by Eco Production respect the IEC61730 electrical safety standards are certified in Class A and comply with the Class II safety requirements assigned by the aforementioned laboratory ECO PRODUCTION UK SWEDEN Arl vsvagen 26 232 35 Arl v 46 0 46 253000 UK 35 Firs Avenue N11 3NE London 44 0 18 442244 www ecoproduction se
24. ve they are weatherproof boxes of grade IP65 arranged in such a way to resist the elements provided that the waterproofing seal is maintained in the cable glands or seal where the cables pass through In this regard Eco Production declines any responsibility arising from incorrect installation of these cables in the case of modules supplied without wiring Each module has a single junction box for both terminals or a box for the positive terminal and another one for the negative terminal To ensure correct working of the modules it will be necessary to comply with the polarity of the connections The junction box covers bear an indicative design They are opened by inserting a flat screwdriver into the related tab in the direction indicated by the arrow lightly pressing in the same direction to open it To close the cover it is sufficient to press it home The cover has a flange that fixes it to the base of the junction box while its internal part is being handled This flange must not be cut The junction boxes must not be subjected to any type of pressure during the course of installation of the module on a support structure and no part must touch the junction box 6 MOUNTING OF THE MODULE During the mounting phase the installer must respect all the regulations and provisions in force regarding safety and construction which specifically relate to photovoltaic systems Before mounting the system make sure that you have taken into considera
Download Pdf Manuals
Related Search