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User Manual

3-Phase Hybrid Inverter

KY-EST06KH~KY-EST20KH

V1.0

Summary of Contents for KY-EST06KH

Page 1: ...1 User Manual 3 Phase Hybrid Inverter KY EST06KH KY EST20KH V1 0...

Page 2: ...OE Energy Technology Co Ltd All other trademarks or registered trademarks mentioned in this document are owned by their respective owners Software Copyrights It is prohibited to use data contained in...

Page 3: ...ST15KH KY EST17KH KY EST20KH They will be referred to as inverter hereinafter unless otherwise specified How to Use the Manual Before using or operating the inverter please read this manual and other...

Page 4: ...harging 24 3 3 Forced Discharge 24 3 4 Peak Shaving 25 3 5 Maintenance 25 3 6 Emergency Charging 26 3 7 Off Grid 26 4 Working Stetes 27 4 1 Waiting 27 4 2 Checking 27 4 3 Normal 27 4 4 Fault 27 4 5 Up...

Page 5: ...62 8 11 2 Hard export Limit Control 62 8 11 3 Soft generation limit control 62 8 11 4 Hard generation limit control 62 9 Commissioning 64 9 1 Inspection before Commissioning 69 9 2 Powering on the Sy...

Page 6: ...Daily Maintenance 80 13 Technical data 80 13 1 Technical Parameters And Certificates 80 14 Warranty commitment 83 15 Contact Information 84 Appendix I Common Problems 85 Appendix II Abbreviations of T...

Page 7: ...n the battery the grid will supply power to the load through the system The inverter with no transformer topology and there is no isolation between DC input and AC output The adaptive PV model must me...

Page 8: ...ter power is 20KW The inverter is three phase hybrid inverter Code of KOYOE Model Nominal Output Power Nominal Grid Voltage KY EST06KH 6000W 3 N PE 230 400V KY EST08KH 8000W KY EST10KH 10000W KY EST12...

Page 9: ...ns a PV switch For safety reasons it is recommended to have a DC switch between the PV array and the inverter PV input terminals mandatory in some countries Dimensions The following figure shows the d...

Page 10: ...10 Dimensions KY EST06 10KH unit mm Dimensions KY EST12 20KH unit mm...

Page 11: ...ED will always be on 4 LCD Screen To display the information 5 ESC Key Exit the current menu 6 Up Key Page up or move cursor 7 Down Key Page down or move cursor 8 Enter Key Enter the current menu 1 1...

Page 12: ...12 Fig1 5 Three phase Meter Dimension unit mm...

Page 13: ...connection diagram of the electricity meter For detailed operation of the electricity meter please refer to the operation manual of the electricity meter in the accessories If you have any questions p...

Page 14: ...OK the instrument will display the following results on the screen after automatic power on self test The functions of the keys on the right side of the instrument are shown in the figure below Each s...

Page 15: ...15 Each successive press of the button selects a new parameter...

Page 16: ...16 Each successive press of the button selects a new parameter...

Page 17: ...17 Each successive press of the button selects a new parameter...

Page 18: ...ust ask professionals to install the photovoltaic panels according to the user manual Please pay attention to the following matters during installation Photovoltaic panels generate electricity when th...

Page 19: ...the inverter may cause serious personal injury or even death Warning Provide sufficient ventilation for the battery system to prevent flames and sparks from the explosive hydrogen gas that the batter...

Page 20: ...rrent Warning After completion of installation all safety instructions warning labels and nameplates on the inverter must meet the following conditions Must be clearly legible Should not be removed or...

Page 21: ...uld be carried out by competent persons who have sufficient skills and training to apply safe methods of work to install 5 There is no maintainable part in the inverter If there is any problem it must...

Page 22: ...ter power failure 2 Forced Charging It is necessary to connect the Grid and not save it after power failure 3 Forced Discharge It is necessary to connect the Grid and not save it after power failure 4...

Page 23: ...press UP and DOWN to select Mode setting 3 Press the ENTER button in the above interface to enter the password interface as shown in the following menu The default password is 1001 Press the ENTER but...

Page 24: ...o return to the main interface to observe the operation state after changing the mode 3 2 Forced Charging This mode must take effect after being connected to the grid In the forced charging mode the i...

Page 25: ...3 1 3 4 Peak Shaving This mode must take effect after being connected to the grid In peak shaving mode the inverter can set up up to 10 groups of discontinuous charge and discharge time periods withi...

Page 26: ...ically exit this mode The charging power is adjusted according to BMS value and current energy management 3 7 Off Grid When the inverter has only batteries or photovoltaic cells the inverter will be O...

Page 27: ...is powered on or restarted from a recoverable fault the check self test will be carried out At this time the LCD displays checking 60s If there is a fault or warning in the self test the inverter will...

Page 28: ...ring diagram of neutral point continuity Our inverter does not support multi machine parallel mode temporarily Warning In case of inverter failure it must be repaired by professionals The error codes...

Page 29: ...then press the Enter button to ENTER the next level menu Step 2 After entering the following menu select the option of Safety Parameters through the Up and Down buttons and then press the Enter butto...

Page 30: ...30 Equipment information mainly displays module name product serial number currently selected safety regulation type and software version number Figure5 1 Safety Setting...

Page 31: ...dent maintenance You can perform the following steps to view the configured country code firmware version and power quality response mode Do not need access permission to view Please refer to the foll...

Page 32: ...32 View the power quality response mode...

Page 33: ...ter the next menu Step 3 After entering the following menu enter the password through the Up button and Down button to enter the next menu Power management information is an important parameter in ord...

Page 34: ...34 Figure 5 2 2...

Page 35: ...ations requiring inverter power derating are grid dispatching over temperature including ambient temperature and module temperature grid under voltage export power limit setting power factor Grid Disp...

Page 36: ...Disconnect Output DRM1 The import power from the grid is 0 DRM2 The import power from the grid is no more than 50 of the rated power DRM3 The import power from the grid is no more than 75 of the rated...

Page 37: ...r receiving the device is to conduct a thorough inspection 1 Check the packaging for any visible damage 2 Check the delivery contents for completeness according to the packaging list 3 Check the inner...

Page 38: ...ig 6 2 Packing List KY EST06 10KH Number Description Pcs 1 Inverter 1 2 Positive PV Plug 2 3 Negative PV Plug 2 4 Positive BAT Plug 1 5 Negative BAT Plug 1 6 EPS Plug red 1 7 Grid Plug black 1 8 WIFI...

Page 39: ...ion Bolts 4 10 Meter communication line 1 11 Position plate 1 12 User manual 1 13 Warranty Card 1 14 Quick installations instructions 1 6 3 Inverter Storage Proper storage is required if the inverter...

Page 40: ...nting Location Warning Make sure there is no electrical connection before installation In order to avoid electric shock or other injury be sure there is no electricity or plumbing installations before...

Page 41: ...s The installation environment must be away from flammable and explosive dangerous goods Inverters must be installed in an environment out of reach of children Ambient temperature 25 60 and relative h...

Page 42: ...Requirements Reserve enough clearance around the inverter to ensure sufficient space for heat dissipation Clearance requirement 7 2 5 Mounting the Inverter Remember that this inverter is heavy Please...

Page 43: ...t this inverter is multi power supplied Electrical connections must be made by a professional and personal protective equipment must be worn Warning Inverter has lethal high voltage inside please pay...

Page 44: ...onal injury Only qualified personnel can perform cable connection All cables must be undamaged firmly attached properly insulated and adequately dimensioned Warning Comply with the safety instructions...

Page 45: ...rounding The image shown here is for reference only The actual product received may differ The COM terminals of the inverter are used to achieve a specific function and the schematic diagram of their...

Page 46: ...s the functions of energy storage and photovoltaic grid connection The system application figure is shown below If the user requires that the load of EPS cannot be powered off a dual power switch need...

Page 47: ...zed as follows No Cable Type Outer diameter mm Cross section mm2 1 Battery Cable Complying with 1000V and 50A standard 12 14mm 8mm2 2 DC cable Outdoor multi core copper wire cable Complying with 1 000...

Page 48: ...48 Neutral line of alternative supply must be disconnected after the grid is off applies to other counties...

Page 49: ...the inverter The installation method is shown in Fig Figure connecting grounding protection wire M5X12mm Warning Since the inverter is transformerless neither the negative pole nor the positive pole o...

Page 50: ...ntil the fault is removed 3 Phone APP remote monitoring error notification As shown in Figure2 Figure 1 Figure 2 Warning For easy maintenance install the inverter at eye level Please install the produ...

Page 51: ...right side of the inverter Additional grounding cable is prepared by customers Step 1 Prepare the cable and OT DT terminal Step 2 Remove the screw on the grounding terminal and fasten the cable with a...

Page 52: ...s in each string angle of tilt and installation orientation Warning The PV array will generate lethal high voltage once exposed to sunlight Warning Make sure the PV array is well insulated to ground b...

Page 53: ...gative poles NOTE There will be DC plugs in accessory box the detailed connection as below Step1 Prepare PV cables and DC plugs Be careful Please use DC plugs and connectors in KOYOE accessory box PV...

Page 54: ...the crimp contact into the insulator until it snaps into place Gently pull the cable backward to ensure firm connection Tighten the cable gland and the insulator torque 2 5 N m to 3 N m Step4 Check f...

Page 55: ...click 1 Check the positive and negative polarity of the PV strings and connect the PV connectors to corresponding terminals only after ensuring polarity correctness 2 Arc or contactor over temperature...

Page 56: ...connector must be connected only by trained electricians Be careful A two pole DC circuit breaker with over current protection voltage rating not less than 600 V and current rating not less than 40 A...

Page 57: ...ct Make sure the positive and negative voltages are less than 800V Be careful This product does not integrate battery DC switch 8 6 2 Connecting the communication Cable The inverter supports lead acid...

Page 58: ...mperature range of lead acid batteries is 0 50 To ensure safe operation the inverter adjusts the power according to the temperature of NTC Lead acid batteries must be connected to a dedicated EXTERNAL...

Page 59: ...tects the temperature of NTC as shown in the following table Be careful If ammonium lead acid batteries are used contact your supplier or company s professional personnel for technical installation su...

Page 60: ...ent with a value exceeding the limit is detected However if an external residual current device RCD is mandatory the switch must be triggered at a residual current of 300 mA recommended or it can be s...

Page 61: ...below Figure loosening connector screws Number Description Remarks A Protective layer Cable outer diameter range 12 14mm B Insulation stripping length 10mm C Insulating layer D Cross section area of...

Page 62: ...t 8 8 EPS Cable Connection The terminal connection of EPS is the same as GRID terminal but it s color is red Please refer to connection method in 7 5 8 9 Communication Connection The inverter provides...

Page 63: ...iew information about the inverter on mobile devices or websites 2 By using the 4G module to communicate with the inverter users can view information about the inverter on their mobile devices or webs...

Page 64: ...button to ENTER the next level menu Step 2 After entering the following menu select the option of Power regulation setting through the Up and Down buttons and then press the Enter button to Enter the...

Page 65: ...lation setting through the Up and Down buttons and then press the Enter button to Enter the next menu Step 3 After entering the following menu enter the password through the Up button and Down button...

Page 66: ...nd then press the Enter button to Enter the next menu Step 3 After entering the following menu enter the password through the Up button and Down button to enter the next menu Power management informat...

Page 67: ...nd then press the Enter button to Enter the next menu Step 3 After entering the following menu enter the password through the Up button and Down button to enter the next menu Power management informat...

Page 68: ...68...

Page 69: ...S terminals Can set the power quality mode through the following steps Step 1 Press the Enter button in the main interface to ENTER the interface below select the Settings option through the Up button...

Page 70: ...70 Figure...

Page 71: ...e next day when the input voltage reaches the starting value it will start automatically Be careful The surface temperature of the inverter can reach up to 75 To avoid the risk of burns do not touch t...

Page 72: ...to set the parameters and view them The detailed menu flow chart is shown in Fig 9 1 The important parameters of the inverter must be set by professionals otherwise it may cause the inverter can not...

Page 73: ...73 Fig 9 1 LCD operating figure...

Page 74: ...at least 10 minutes until the capacitors inside the inverter completely discharged 6 Remove the DC connector PV and Battery 7 Remove the AC connector and EPS connector 8 Install the MC4 waterproof pl...

Page 75: ...ng the monitoring system the output voltage current grid frequency fault and other information can be browsed remotely Port Type Protocl Wifi Type c Yes USB USB A Yes RS485 Type c Yes BMS Terminal Yes...

Page 76: ...Be careful Please connect RS485 in the correct line sequence If the customer needs RS485 to communicate with the inverter it is necessary to purchase a USB to RS485 converter 11 3 RS 485 Communication...

Page 77: ...he figure11 2 there is no difference in appearance between WiFi module and GPRS module Figure 11 2 11 5 Monitoring 1 Local monitoring system The local monitoring software is connected to the inverter...

Page 78: ...le Open the mobile browser and enter 10 10 10 1 to enter the WiFi module configuration page The method is shown in Fig11 3 Figure 11 3 2 Click the scan button and the router WiFi hotspot list will app...

Page 79: ...11 4 and then click Register to monitor the data without the previous steps 12 Maintenance and Repair 12 1 Precautions during Maintenance When the inverter fails the inverter will automatically disco...

Page 80: ...echnical data 13 1 Technical Parameters And Certificates Before removing the fault it is necessary to ensure that the circuit breaker of DC or AC circuit is disconnected and professional personnel are...

Page 81: ...t Power VA 6000 Nominal AC Output Voltage Vac 380 3L N PE AC Power Frequency Hz 50 60 Max AC Output Current A 10 Genaral Data Operating Temperature Range 25 60 45 derating Operating Altitude m 4000 No...

Page 82: ...Nominal AC Output Voltage Vac 380 3L N PE AC Power Frequency Hz 50 60 Max AC Output Current A 18 Genaral Data Operating Temperature Range 25 60 45 12 20KW Three Phase Hybrid Inverter Model EST 12KH ES...

Page 83: ...urned to the factory for repair so please keep the original package properly If the customer uses the new packing box the packing cost and transportation cost will be borne by the customer During the...

Page 84: ...ons about the PV grid connected inverter or technical issues please contact us Jiangsu KOYOE Energy Technology Co Ltd Address NO 40 Wangwu Road Wuzhong District Suzhou Province China Tel 86 512 6513 9...

Page 85: ...ltage fault please check the PV input voltage voltage value must be less than 1000V 5 Isolation Fault 1 Check whether the inverter is effectively earthed and whether the impedance between the positive...

Page 86: ...ambient temperature of the inverter and battery is lower than the normal value and restart the inverter after the ambient temperature rises In addition to the above common problems if you encounter ot...

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