Hopewind hopeSun 36KTL User Manual Download Page 1

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Summary of Contents for hopeSun 36KTL

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Page 3: ...tured by Shenzhen Hopewind Technology Co Ltd hereinafter referred to as Hopewind We hope our products and this manual can meet your demands Any suggestion for improvement shall be appreciated Shenzhen Hopewind Technology Co Ltd reserves the copyright of this manual and it shall be subject to change without any further notice ...

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Page 5: ...ntenance and Troubleshooting The daily maintenance methods maintenance intervals and troubleshooting of the product are introduced 6 Inverter Processing Guide Basic requirements and precautions when disassembling replacing and scrapping the inverter Warning Signs in this Manual DANGER Major potential danger if fail to observe the rules it might cause serious and major body hurt or property loss es...

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Page 7: ...n 19 3 1 Unpacking Inspection 19 3 2 Installation Tool Preparation 19 3 3 Installation Environment Requirements 19 3 4 Reserved Space Requirement 20 3 5 Fixed method 21 3 5 1 Hoop Mounting 21 3 5 2 Screw Rod Mounting 21 3 5 3 Bracket Mounting 22 3 6 Electrical connections 23 3 6 1 Cable requirements 23 3 6 2 Cable Selection 24 3 6 3 Torque requirement 24 3 6 4 Preparation before operation 25 3 6 5...

Page 8: ...6 Inverter Instruction 39 6 1 Remove inverter 39 6 2 Replacement of inverter 39 6 3 Packaging inverter 39 6 4 Scrapped inverter 39 ...

Page 9: ...e inverter in good condition during transportation it is important to use packaged transport and operate according to the label on the package For the meaning of the logo please refer to 2 6 Signs on Package 3 The transportation environment must meet the requirements Please refer to 2 10 Environmental Requirements 1 2 Storage CAUTION The storage environment of the string inverter must meet the cor...

Page 10: ...g inverter must comply with national standards If the terminals are not in accordance with the standard the power cable may be overheated In severe cases a fire may occur 6 The installation site must meet the requirements of the operating environment Please refer to 2 10 Environmental Requirements 1 4 Operating DANGER 1 During the operation of the string inverter it is necessary to ensure that the...

Page 11: ...cess please try to avoid unrelated personnel entering the maintenance site 3 Maintain the string inverter under the condition that you are familiar with the contents of this manual and have the appropriate tools and testing devices 4 For personal safety please wear insulating gloves and wear shoes CAUTION It is necessary to check and maintain the string inverter periodically and refer to the 5 Mai...

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Page 13: ...peSun 60KTL hopeSun 70KTL and hopeSun 75KTL are suitable for 400VAC low voltage grid connected scene such as village level photovoltaic power station or industrial and commercial rooftop photovoltaic power station below 500kW 2 1 1 Schematic PV strings access the inverter to input DC the MPPT circuits in the inverter track the maximum power point inputted by PV string then the inverter circuit inv...

Page 14: ...T circuit 2 MPPT circuit 3 MPPT circuit 4 BUS BUS Three phase inverter circuit LC filter RCD leakage current detection Output EMI filter N A B C fuse Current hall 5 6 7 8 7 8 9 10 9 10 11 12 11 12 Figure 2 4 Schematic diagram of hopeSun 60KTL hopeSun 70KTL 1 2 1 2 3 4 3 4 5 6 PE Input EMI filter DC switch Input EMI filter PE MPPT circuit 1 MPPT circuit 2 MPPT circuit 3 MPPT circuit 4 BUS BUS Three...

Page 15: ...r PE A B C Fuse Current hall 5 6 7 8 7 8 9 10 9 11 11 12 12 14 3 3 14 10 Figure 2 7 Schematic diagram of hopeSun 80KTL M 2 1 2 Operating mode hopeSun three phase string inverter has three working modes standby mode running mode and shutdown mode The three mode switching conditions are shown in Figure 2 8 Standby mode Running mode Shutdown mode Running mode to standby mode Insufficient illumination...

Page 16: ...ion it enters the standby mode Shutdown If the inverter detects a fault occurrence or shutdown command during standby or operation it enters shutdown mode In the shutdown mode if the inverter detects that the fault has been cleared or the power on command it enters standby mode 2 2 System Configuration and Application 2 2 1 Application Description Figure 2 9 shows the application diagram of the st...

Page 17: ...e form of power grids TN S TN C TN C S TT IT hopeSun 50KTL M hopeSun 60KTL M hopeSun 70KTL M and hopeSun 80KTL M only support IT form grid String Inverter L1 PE L2 L3 N PE TN S L1 PE L2 L3 PEN TN C L1 PE L2 L3 N TN C S PE PE PE PE L1 PE L2 L3 N TT PE PE L1 L2 L3 IT PE PE String Inverter String Inverter String Inverter String Inverter Figure 2 12 Schematic diagram of various grid forms 2 3 Naming R...

Page 18: ...rminal blocks at the bottom 36KTL 40KTL and 50KTL M only use 8 of them the used terminal blocks should be sealed hopeSun 60KTL hopeSun 60KTL M hopeSun 70KTL hopeSun 70KTL M hopeSun 75KTL and hopeSun 80KTL M have same appearance there are 14 groups of PV terminal blocks at the bottom 60KTL 60KTL M 70KTL and 70KTL M only use 12 of them the used terminal blocks should be sealed CAUTION There are comp...

Page 19: ...Blue light slow flash The input voltage of PV side is greater than 200V but the power grid is not connected Blue light off PV and power grid are not connected Grid connected Blue light Inverter is in grid connected start up state Blue light off Unconnected inverter start up Communication indication Blue light slow flash Normal communication Blue light off Abnormal communication Alarm indication Re...

Page 20: ...TPUT AC output terminal 5 WiFi GPRS communication interface 6 RS485 output terminal Figure 2 16 The bottom diagram of the whole machine interface description 2 6 Identification on the package On the outer packaging of the product there are some labels to guide the user to transport and store the product The meanings indicated by the logo are as follows Do not stack or backlog Handle with care and ...

Page 21: ...uires reliable grounding to ensure the safety of operators and equipment Warning This component may present a hazard other than high voltage which the user should pay attention to High voltage hazard This component may present a high voltage hazard and the user must pay special attention Hot surface Pay attention to the hot surface to prevent burns Refer to the user manual Please refer to the corr...

Page 22: ...ximum output current 57 2A 63 5A 63 5A 79 4A Power factor 0 8 0 8 Maximum total harmonic distortion 3 Efficiency Maximum efficiency 98 60 98 70 99 00 98 80 Chinese Efficiency 98 50 98 51 98 51 98 51 Protection Input DC switch Supported DC polarity reverse protection Supported DC surge protection Class 2 Insulation impedance test Supported AC short circuit protection Supported Output surge protecti...

Page 23: ...9 3A 80 8A 92 4A Maximum output current 95 3A 111 1A 119A 76 2A 88 9A 101 6A Power factor 0 8 0 8 Maximum total harmonic distortion 3 Efficiency Maximum efficiency 98 90 98 90 98 90 98 80 98 90 99 00 Chinese Efficiency 98 51 98 53 98 53 98 52 98 52 98 53 Protection Input DC switch Supported DC polarity reverse protection Supported DC surge protection Class 2 Insulation impedance test Supported AC ...

Page 24: ...hopeSun 50KTL hopeSun 60KTL 75 hopeSun 70KTL hopeSun 75KTL hopeSun 60KTL M hopeSun 70KTL M hopeSun 80KTL M Note size does not contain hangers handles pads and other components Dimensional error 10mm Inverter structure and mounting rack installation size 705mm 650mm 285mm 400mm 207mm Figure 2 1 structural dimensions of hopeSun series right front back unit mm ...

Page 25: ...bration should not exceed the following limits 10Hz f 57Hz displacement 0 075mm 57Hz f 150Hz acceleration 10m s 2 Working environment Requirements Normal operation Shutdown state Installation place Do not install the inverter in an area where flammable or explosive materials are stored The installation site can be indoors or outdoors preferably in a well ventilated environment Avoid direct sunligh...

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Page 27: ...tion Bolt specifications M8 MC4 crimping pliers Crimp the MC4 terminals The input cable needs to be crimped into the MC4 terminal before it can be connected to the PV PV terminal on the inverter MC4 removal tool Wire stripper Multimeter Measure voltage to ensure wiring and installation safety Safety equipment Necessary labor protection for construction Insulating shoes gloves etc 3 3 Installation ...

Page 28: ...Figure 3 1 Single string inverter installation space When installing multiple string inverters in a same surface the side by side installation is recommended 200mm 200mm Figure 3 2 String inverters side by side installation space When installing multiple string inverters in two lines the triangle installation is recommended 100mm 300mm 100mm 300mm Figure 3 3 String inverters triangle installation ...

Page 29: ...r at least 15 backwards to help dissipate heat from the machine Do not install the inverter obliquely forward tilting backward tilting too large tilting horizontal installation or inverted installation 3 5 1 Hoop Mounting Installation steps 1 Take out the hanging plate in the package and confirm the front back and top of the hanging plate 2 Use at least 2 PCS hoops on the back side of the slats th...

Page 30: ... wall load Installation steps 1 Take out the hanging plate in the package and confirm the front back and top of the hanging plate 2 If necessary punch holes in the wall or bracket according to the size of the mounting hole of the hanging plate 3 Wall mounting Fasten the mounting plate to the wall using 4 PCS M8 expansion pins 4 Bracket mounting Fasten the mounting plate to the bracket using 4 PCS ...

Page 31: ... When the cable is insulated by two layers the outermost shield is grounded at both ends and the inner shield is equipotentially grounded b Multiple pairs of twisted pairs of single shield When the cable is insulated and shielded by a single screen in order to prevent the potential difference from being formed the shield can be equipotentially grounded at one end Figure 3 7 Twisted pair with shiel...

Page 32: ...air cable with a cross sectional area of not less than 0 75mm 2 The RS485 communication cable has only one waterproof lock and the size is 18mm 25mm PE ground cable PE It is recommended to use at least one grounded dedicated copper cable with a cross sectional area of 16 mm 2 3 6 3 Torque requirement When tightening the cable connections the tightening torque needs to meet the requirements of the ...

Page 33: ...pecified limit 3 When connecting the input cable make sure that the positive and negative terminals of the input cable correspond to the positive and negative terminals of the PV inverter of the string inverter Note The following figures are using 9 input string inverter for example which is similar with the structure of other models 3 6 5 Connecting ground By protecting the ground wire the invert...

Page 34: ...rbidden to share one circuit breaker for multiple inverters It is forbidden to connect the load between the inverter and the circuit breaker The user must prepare the OT terminal by himself the model number is M8 and the maximum cable is 95mm 2 Operations 1 Crimp the OT terminal and wrap the crimp with a heat shrink tubing or insulating tape 2 Unscrew the locking cap on the AC OUTPUT waterproof lo...

Page 35: ...485 adapter board X3 two RS485 interfaces labeled P2 P3 as shown below Figure 3 13 X3 signal adapter board position and installation instructions Pass the RS485 cable through the RS485 waterproof lock on the bottom of the inverter the operation steps are similar to the AC OUTPUT waterproof lock and connect to the RS485 interface on the RS485 adapter board X3 The connection of multiple inverters is...

Page 36: ...been placed in the OFF state CAUTION Please ensure that the following conditions are met otherwise it may cause a fire hazard Each component of the string in series is of the same specification The maximum opening voltage of each PV string cannot be greater than 1100 VDC under what circumstances The maximum short circuit current of each PV string shall not exceed 18A under any conditions Ensure th...

Page 37: ... correct polarity crimp the cable to the corresponding core Crimp method Positive Negative Figure 3 16 Crimp terminal 4 With the correct polarity insert the core into the male and female ends of the MC4 connector and tighten the connector back cover Positive Negative Figure 3 17 Assembly connector Insert MC4 terminal Insert the positive and negative connectors into the positive and negative termin...

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Page 39: ...ter cabinet The string inverter has enough space around for maintenance and heat dissipation No inflammables and explosives within 2m The cables are clearly marked and correct It is confirmed that there is no condensation inside the string inverter If it has been found it will be removed with heating tools Ensure that all wiring screws are tightened according to torque requirements Ensure RS485 wi...

Page 40: ...e starting condition is satisfied 4 3 System shutdown Attentions After the inverter is powered off there will be residual electricity and residual heat in the case which may cause electrical shock or burns Please be sure to operate the inverter after 5 minutes in the inverter system When the power system is running please follow the instructions and safety rules in this chapter Step 1 Turn off the...

Page 41: ...ise during operation In case of seriousness please replace it in time Once every six months to one year Operating parameters When the inverter is running check that the parameters are set correctly Exclude exception settings Connection part Fall off loose Check if the cable connection is disconnected or loose Fasten the connection as specified Half a year after the first commissioning and once eve...

Page 42: ...ter alarm Fault or status error of feedback lightning arrester 1 Check whether the state feedback of lightning arrester is normal 2 replace lightning arresters to locate faults 6 Booster side alarm Boost unit open circuit 1 Check whether the main circuit related devices such as negative fuse are open 2 detect abnormal voltage and current sampling 7 Boost side short circuit alarm Boost unit short c...

Page 43: ...e ride through 1 Grid BC line voltage overvoltage The BC line voltage of the power grid exceeds the overvoltage point set by the system 1 confirm whether the sampling of the inverter grid voltage is normal 2 confirm the failure time whether the AC side such as box change tripping and other failures 3 confirm whether the inverter has undergone high voltage ride through 2 Grid CA line voltage overvo...

Page 44: ...e C phase software overcurrent Inductor current RMS exceeds protection threshold Fault reset 3 Module current imbalance Three phase current imbalance exceeds the threshold Confirm that the grid is normal 5 Module temperature is too high The radiator temperature is higher than the protection threshold Confirm that the spoiler fan is normal 6 High temperature inside the machine Ambient temperature i...

Page 45: ... allocated 2 check whether the input voltage detection circuit is normal Other 0 Grid connected relay failure Relay status error Detecting master slave relay status 3 AC side SPD alarm Check the feedback state error of the AC side SPD Detect SPD status 4 Internal fan fault Fan failure or abnormal feedback signal 1 check whether the fan drive circuit is normal 2 check whether the fan itself is norm...

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Page 47: ...r needs to be replaced the order of operation in Chapter 3 4 can be achieved 6 3 Packaging inverter If you still keep the original packaging of the inverter please put it in the original packaging and pack it firmly with adhesive tape If you can t find the original package pack it firmly in a hard carton suitable for the inverter s weight and size 6 4 Scrapped inverter When the service life of the...

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Page 49: ...n improper environment Use non standard or those components software not provided by our company Damaged due to the failure of external devices Any accidental damage arising from personal dismantlement or maintenance by yourself When the client requires repair service for abovementioned faults we shall offer paid repair service after it s determined by our service department Please contact us in a...

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