Ktech KE-10KLSUN User Manual

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KE-10KLSUN

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Page 1 User Manual KE-10KLSUN...
Page 2 6.2、USB-B port ..................................46 6.4、RS485 port ..................................47 6.5、CAN port ................................... 48 6.5 、External CT port ................................49 6.6、Dry contact ..................................50 7. Fault and Remedy ....................................51 8. Protection and Maintenance ................................56 Copyright © Ktech Energy Co., Ltd...
Page 3 8. 1 Protection features ................................. 56 8.2 Maintenance ..................................58 9. Datasheet ........................................59 Copyright © Ktech Energy Co., Ltd...
Page 4 Never cause AC output and DC input short circuited.  Do not disassembly this unit, for all repair and maintenance, please take it to the professional service center.  Never charge a frozen battery.  Copyright © Ktech Energy Co., Ltd...
Page 5 LCD large screen dynamic flow diagram design, easy to understand the system data and operation status.  360° protection with complete short circuit protection, over current protection, over under voltage protection,  overload protection, backfill protection, etc. Support CAN, USB, and RS485 communication.  Copyright © Ktech Energy Co., Ltd...
Page 6  Home load: Various household and office loads can be connected, including refrigerators, lamps, televisions, fans, air conditioners, and other AC loads. Inverter: The energy conversion device of the whole system.  The actual application scenario determines the specific system wiring method Copyright © Ktech Energy Co., Ltd...
Page 7 PV1 terminals USB-B port PV2 terminals Battery Terminal Utility terminals Battery Circuit Breaker (L1+L2+N) +breaker Load terminals（ L1+L2+N） PV Circuit Breaker +Breaker Generator input terminal ON/OFF switch （L1+L2+N） +Breaker Generator Ground Terminal USB-A port Copyright © Ktech Energy Co., Ltd...
Page 9 Do not install the inverter in direct  Do not install the inverter near flammable materials  sunlight. Do not install the inverter in potentially explosive areas  Do not install the inverter and lead-acid batteries in enclosed spaces."  Copyright © Ktech Energy Co., Ltd...
Page 10 (19/20 faults) affecting the power supply and the service life of the inverter. Copyright © Ktech Energy Co., Ltd...
Page 11 SEI-12K-UP 2P-25A 6mm²/ 10 AWG  BATTERY Circuit Breaker Spec Max. Battery Current Model Cable Diameter 200A 2P-250A 34mm²/ 2 AWG SEI-8K-UP 230A 2P-250A SEI-10K-UP 42mm²/ 1 AWG 270A 2P-300A 54mm²/ 0 AWG SEI-12K-UP Copyright © Ktech Energy Co., Ltd...
Page 12 ! ! ! (L1/L2/N) 13mm²/6AWG 3P-63A SEI-10K-UP (L1/L2/N) 13mm²/6AWG 3P-63A SEI-12K-UP (L1/L2/N) AC OUTPUT  Circuit Breaker Spec Model Schema Cable Diameter 13mm²/6AWG 3P-63A SEI-8K-UP (L1/L2/N) 13mm²/6AWG 3P-63A SEI-10K-UP (L1/L2/N) 13mm²/6AWG 3P-63A SEI-12K-UP (L1/L2/N) Copyright © Ktech Energy Co., Ltd...
Page 13 The wire diameter is for reference only. If the distance between the PV array and the inverter or between the inverter and the battery is long, using a thicker wire will reduce the voltage drop and improve the performance of the system. Copyright © Ktech Energy Co., Ltd...
Page 14 Before connecting AC inputs and outputs, the circuit breaker must be opened to avoid the risk of • electric shock and must not be operated with electricity. Please check that the cable used is sufficient for the requirements, too thin, poor quality cables are a • serious safety hazard. Copyright © Ktech Energy Co., Ltd...
Page 15 4.5 PV connection Connect the positive and negative wires of both PVs in the cable locations and sequence shown in the diagram below. The positive wire runs through the AFCI unit. Copyright © Ktech Energy Co., Ltd...
Page 16 RSD-D units to keep their PV modules connected and supplying energy. RSD-D units automatically enter rapid shutdown mode when the Transmitter-PLC is switched off and resume energy production when power is restored to the Transmitter-PLC Copyright © Ktech Energy Co., Ltd...
Page 17 Please make sure the grounding terminal connect to the Grounding Bar. The grounding cable should have a diameter of not less than 4 mm² and be as close as  possible to the grounding point. Copyright © Ktech Energy Co., Ltd...
Page 18 N to N wire and PE to PE. The L lines of all machines in the same phase need to be connected together, but the L lines of AC outputs of different phases cannot be connected together. Other precautions are the same as single-phase connection of parallel machines. Copyright © Ktech Energy Co., Ltd...
Page 19 Setting for each inverter: Select "Parallel" for parallel mode, select "Split Phase" for grid type, when "120V" is selected for output phase voltage, the output L1-L2 voltage is 240V, L1-N voltage is 120V, L2-N voltage is 120V. Copyright © Ktech Energy Co., Ltd...
Page 21 P2 machine setting: Parallel mode select "Three phase B", grid type select "Three Phase", when the output phase voltage select "120V", then the output L1-L2 voltage is 208V, L1-N voltage is 120V, L2-N voltage is 120V. Copyright © Ktech Energy Co., Ltd...
Page 22 P1 machine setting: Parallel mode select "Three phase A", grid type select "Three Phase", when output phase voltage select "120V , the output L1-L2 voltage is 208V, L1-N voltage is 120V, L2-N voltage is 120V. Copyright © Ktech Energy Co., Ltd...
Page 23 P3 machine setting: Parallel mode select "Three phase C", grid type select "Three Phase", when output phase voltage select "120V", then output L1-L2 voltage is 208V, L1-N voltage is 120V, L2-N voltage is 120V. Copyright © Ktech Energy Co., Ltd...
Page 26  LED indicators Yellow light for inverter Green light for charging Description Indicators Color FAULT Flash: error occur Continued: charging complete CHARGE Green Flash: charging Continued: utility grid by-pass output AC/INV Yellow Flash: inverter output Copyright © Ktech Energy Co., Ltd...
Page 27 Grid Inverter is Working Home page History data Setting Local time The buzzer is slient Indicates that the machine is The enery direction currently in energy-saving mode. HOME UPS load power Home load power Copyright © Ktech Energy Co., Ltd...
Page 28 Frequency Load data L1 Voltage L2 Voltage L1 Current L2 Current L1 UPS load active power L2 UPS load active power L1 UPS load apparent power L2 UPS load apparent power Frequency load rate Copyright © Ktech Energy Co., Ltd...
Page 29 7 days Enery Statistics Total Battery Charging Energy Total Battery Disharging Energy Total solar generated energy Total load consumption energy Total load consumption energy Total grid charging energy from grid Historical faults Copyright © Ktech Energy Co., Ltd...
Page 30 Display and current inverter RS485 address, range 1-255 RS485 Address Screen always on Selectable whether the screen is always on or not Beep You can choice whether enable the Beep alarm Screen brightening time Setting range 0-60S Backlight brightness 0-100% Copyright © Ktech Energy Co., Ltd...
Page 31 5.2.1.2.Time Setup 5.2.1.3.Password Setting（ Password is required to access the Grid Settings and Advanced Settings） Default password is "00000". Password setting value range: 0-65535 Copyright © Ktech Energy Co., Ltd...
Page 32 Single inverter Stand-alone The grid type setting is effective when set to split-phase. Parallel Three Phase A Parallel mode The grid type setting is effective when set to three-phase. Three Phase B Three Phase C Copyright © Ktech Energy Co., Ltd...
Page 33 Stop Volt value during the timed charging and discharging time period (when the BMS is not communicating) Max Power Setting the battery charging power and discharging power during the timed charging and discharging time period Copyright © Ktech Energy Co., Ltd...
Page 34 1 : PACE-PACEEX 2 : RUDA-Ritar 3 : AOGUAN-=ALLGRAND BATTERY 4 : OULITE-OLITER BMS comm.protocol 5 : CEF-CHANGFENG TECNOLOGY 6 : XINWANGDA -SUNWODA 7: DAQIN -DAKING 8 : WOW-SRNE 9: PYL-PYLONTECH 10 : MIT-FOXESS 11: XIX-XYE 12: POL-POWERMR 13: GUOX-Gotion 14: SMK-SMK 15: VOL-WEILAN 16:UZE-YUZE Copyright © Ktech Energy Co., Ltd...
Page 35 When the battery report voltage low fault, the battery voltage reach this setting, the fault Batt volt low fault recovery will be cleard. Copyright © Ktech Energy Co., Ltd...
Page 36 Description USA : UL1741&IEEE1547.1-2020 California, USA:RULE21 Grid Standard Hawaii, USA:HECO Other regions:GNL Grid Frequency Selection of local grid frequency ，50Hz/60Hz When connecting an external CT, enter the ratio on the CT specification. CT ratio Copyright © Ktech Energy Co., Ltd...
Page 37 Normal connect Power Ramp Rate Normal grid connection, rate of rise of grid-connected power Reconnect delay time Grid down reconnection, grid connection delay time Grid disconnection and reconnection, rate of rise of grid-connected power Reconnect Power Ramp Rate Copyright © Ktech Energy Co., Ltd...
Page 38 Class 2 undervoltage protection point Class 2 underfrequency protection point Class 1 overvoltage protection point Class 1 overfrequency protection point Class 2 overvoltage protection point Class 2 overfrequency protection point Protection Response Time Time Copyright © Ktech Energy Co., Ltd...
Page 39 Adjustment of the inverter reactive power according to the set active power curve enable Watt-PF (P-PF) Adjustment of the power factor of the inverter according to the set active power curve enable Adjustment of grid HV ride-through / LV ride-through values LVRT/HVRT enable Copyright © Ktech Energy Co., Ltd...
Page 40 Setting the power of the generator up to the rated power of the inverter Generator charging enable Setting whether the generator is charged or not When connect the Generator, select”Generator input” Generator work mode When connect the Micro inverter, select”Micro inverter input” Copyright © Ktech Energy Co., Ltd...
Page 41 According to the load that you have connected, select the load type When the inverter soft start, adjust the current coefficient(This setting doesn’t Inverter current limiting coefficient recommend to be changed by the customer) Copyright © Ktech Energy Co., Ltd...
Page 42 5.2.5.3. Restart Parameter Meaning Description Restore Factory Settings Reset all inverter settings to factory setting Reboot Inverter Restart the inverter Copyright © Ktech Energy Co., Ltd...
Page 43 During the time set by the user, the inverter will give priority to the battery inverter to carry the load, and if the battery power is insufficient, the inverter will automatically switch to mains power to ensure stable operation of the load. Copyright © Ktech Energy Co., Ltd...
Page 44 (can be set) Undervoltage 40~60V disconnect voltage (can be set) 40~60V Discharge limiting voltage (can be set) 1~30s Overdischarge delay (can be set) time 10~900min Enhanced Charge Cycle 120min 120min 120min (can be set) Copyright © Ktech Energy Co., Ltd...
Page 45 1~30s Overdischarge delay time (can be set) 120min 120min 120min 120min 120min 10~900min Enhanced Charge Cycle (can be set) (can be set) (can be set) (can be set) (can be set) (can be set) Copyright © Ktech Energy Co., Ltd...
Page 46 6.2、 USB-B port USB typeB USB2.0 printer The user can read and modify device parameters through this port by using the host software. Please contact us for the host software installation package if you require one. Copyright © Ktech Energy Co., Ltd...
Page 47 RJ45 The RS485 port is used to connect to the BMS of Liion battery. Pin 1 Pin 2 Pin 3 CANH Pin 4 CANL Pin 5 Pin 6 RS485-A Pin 7 RS485-B Pin 8 Copyright © Ktech Energy Co., Ltd...
Page 48 Pin 6 Pin 7 Pin 8 If you need the inverter to communicate with the lithium battery BMS, please contact us for the communication protocol or to upgrade the inverter to the corresponding software program. Copyright © Ktech Energy Co., Ltd...
Page 49 2. Normally The CT direction is “to inverter” CT3- Pin 2 Pin 3 CT2+ Pin 4 CT2- Pin 5 Pin 6 CT1+ Pin 7 CT1- Pin 8 laser engraving fuse side 3. Current transformer (CT) dimensions:(mm) Copyright © Ktech Energy Co., Ltd...
Page 50 Pin 6 to 7 is normally closed, Pin 7 to 8 is normally open. (Pin 6/7/8 outputs 125Vac/1A, 230Vac/1A, 30Vdc/1A) If you need to use the remote start/stop function of the generator with dry contact, ensure that the generator has ATS and supports remote start/stop. Copyright © Ktech Energy Co., Ltd...
Page 51 Inverter AC output with load or AC OverTemperInv charging radiator over-temperature protection. Fan blockage or failure fault FanFail EEPROM Memory failure Model setting error Model NumErr Positive and negative bus voltage Busdiff imbalance Copyright © Ktech Energy Co., Ltd...
Page 52 Item “Parallel” setting error phase mode Grid over voltage Grid under voltage Grid over Frequency Grid under Frequency Selects the local corresponding grid Grid loss standard. Grid DC current over Grid standard un init Copyright © Ktech Energy Co., Ltd...
Page 53 BMS alarm battery over temperature. BMSOverTem （ Effective after successful BMS communication） BMS alarm battery over current. BMSOverCur （ Effective after successful BMS communication） BMS alarm low battery. （ Effective after successful BMS BMSUnderVolt communication） Copyright © Ktech Energy Co., Ltd...
Page 54 【39】 source in parallel mode input interface Inconsistent system Check whether the software version of each inverter is firmware version in parallel 【42】 consistent. mode Incorrect device serial number setting. 【44】 Serial number error Copyright © Ktech Energy Co., Ltd...
Page 55 If you encounter a fault with the product that cannot be solved by the methods in the table above, please contact our after-sales service for technical support and do not disassemble the equipment yourself. Copyright © Ktech Energy Co., Ltd...
Page 56 After triggering the overload protection the inverter will resume Inverter over-load output after 3 minutes, 5 consecutive overloads will switch off the protection output until the inverter is restarted. Copyright © Ktech Energy Co., Ltd...
Page 57 When the phase of the bypass input and the phase of the inverter split do not match, the inverter disables switching to the bypass output to Bypass phase inconsistency protection prevent the load from dropping out or short-circuiting when switching to the bypass. Copyright © Ktech Energy Co., Ltd...
Page 58 3.Damage caused by the operating temperature exceeding the restricted operating temperature range 4. Dismantling and repair of the inverter by unauthorised persons. 5. Damage caused by force majeure: damage during transport or handling of the inverter. Copyright © Ktech Energy Co., Ltd...
Page 59 Max. Voltage of Open 550Vdc+550Vdc Circuit MPPT Voltage Range 125-450Vdc/125-450Vdc Grid / Generator input Input Voltage Range 90-140Vac 50/60Hz Frequency Range Bypass phase current Efficiency MPPT Tracking Efficiency 99.9% Max Efficiency 97.5% CEC Efficiency 96.5% Basic data Copyright © Ktech Energy Co., Ltd...
Page 60 Communication Communication port RS485 / CAN / USB / Dry contact √ External Modules Wi-Fi / GPRS √ （Optional） Certified specifications Safety standards UL1741&IEEE1547.1-2020,CEC, RULE 21, HECO FCC 15 class B RoHS Ye s Copyright © Ktech Energy Co., Ltd...

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