Related Manuals for Ktech KE-5KL1EF-H
Summary of Contents for Ktech KE-5KL1EF-H
- Page 1 Solar Storage Inverter User Manua Product Model KE-5KL1EF-H Solar storage inverter V2.2...
- Page 2 Important Safety Instructio Please keep this manual for future use. This manual contains all safety, installation and operating instructions for KE-5KL1EF-Hsolar storage inverter. Please read all instructions and precautions in the manual carefully before installation and use. Non-safety voltage exists inside the solar storage inverter. To avoid personal injury, users shall not disassemble the solar storage inverter themselves.
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Page 3: Table Of Contents
Contents 1. Basic Information ................................4 1.1 Product overview and characteristics ......................4 1.2 Basic system introduction ..........................5 1.3 Appearance ............................... 6 1.4 Dimension drawing ............................7 2. Installation Instruction ............................... 8 2.1 Installation Precautions ............................ 8 2.2 Wiring specifications and circuit breaker selection ..................9 2.3 Installation and Wiring ............................ -
Page 4: Basic Information
1. Basic Informatio 1.1 Product overview and characteristics KE-5KL1EF-His a new solar storage inverter, which integrates solar energy storage & mains charging energy storage and AC sine wave output. Thanks to DSP control and advanced control algorithm, it has high response speed, high reliability and high industrial standard. -
Page 5: Basic System Introduction
1.2 Basic system introduction The figure below shows the system application scenario of this product. A complete system includes the following parts: 1. PV module: convert the light energy into direct current energy and then charge the battery via the machine, or directly invert the light energy into alternating current to supply power to the load. -
Page 6: Appearance
1.3 Appearance ⑩ Overload protector Cooling fan ② ⑪ ON/OFF rocker switch Battery terminal ③ ⑫ AC input terminal Cooling fan ④ ⑬ AC output terminal PV terminal ⑤ ⑭ Grounding screw hole Touchable buttons ⑥ ⑮ RS485 communication port LED Indicators ⑦... -
Page 7: Dimension Drawing
1.4 Dimension drawing Solar storage inverter V2.2... -
Page 8: Installation Instruction
2. Installation Instruction 2.1 Installation Precautions Before installation, please carefully read the manual and get familiar with the installation steps. Be very careful when installing the battery. Wear safety goggles when installing a lead-acid liquid battery. Once coming into contact with the battery acid, rinse with clean water timely. ... -
Page 9: Wiring Specifications And Circuit Breaker Selection
Maximum PV input Recommended air switch Type diamete current or circuit breaker type KE-5KL1EF-H /10AW 2P—25A Note: the voltage in parallel shall not exceed maximum PV open-circuit voltage. Refer to the table below for recommended AC input wire diameter and switch ... -
Page 10: Installation And Wiring
2.3 Installation and Wiring Installation steps: Step 1: confirm the installation position and heat dissipation space, confirm the installation position of machine, such as wall surface; to install the machine, guarantee there is sufficient air flowing through the cooling fins of machine. - Page 11 Step 2: Remove the terminal protection cover Step 3: Wiring AC input/output wiring method: Before AC input/output wiring, disconnect the external breaker at first and then confirm whether the cable used is thick enough. Please refer to chapter“ 2.2 Wiring Specification and Breaker type”;...
- Page 12 ： Ground L：Live N：Neutral Correctly connect AC output wire in accordance with cable sequence and terminal position shown in the figure below. Please connect the ground wire at first, and then live wire and null wire. The ground wire is connected to the ground screw hold through O-type terminal. ：...
- Page 13 PV input wiring method: ① Prior to wiring, disconnect the external circuit breaker and confirm that the wire used is thick enough. Please refer to Section 2.2“Wiring Specifications and Circuit Breaker Selection”. ② Properly connect the PV input wire according to the wire sequence and terminal position shown in the figure below.
- Page 14 Warning notice: Input from mains supply, AC output and PV array may generate high voltage. Before wiring, make sure to break the breaker or fuse; During wiring process, make sure to pay attention to the safety; during the wiring process, please don’t close the breaker or fuse.
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Page 15: Operating Mode
3.Operating Mode 3.1 Charge mode 1) PV priority: PV module will charge the battery preferentially, and the battery is charged by the Mains only when the PV system fails. During the day, solar energy is fully used to charge, while at night, it converts to the Mains. This can maintain battery level, and is ideal for areas where the grid is relatively stable and electricity price is relatively high. -
Page 16: Output Mode
3.2 Output mode PV priority mode: Use PV and battery energy to power loads, with PV taking priority. When the PV energy is greater than the load, the excess energy charges the battery: When the PV energy is less than the load, the battery replenish the power supply. When PV is invalid, switch to mains power supply and charging. - Page 17 Mains priority mode: Switch to inverter power supply only when there is no utility power, and switch to utility power charging and supply when utility power recovery. The equipment is as a backup UPS, used in areas with unstable power grid. Switching does not affect the PV charging. Inverter priority mode: ...
- Page 18 With BMS communication: when the battery SOC is lower than the [61] setting item, switch to utility power supply and charging; when the battery SOC is higher than the [62] setting item, switch to PV, battery to power the load. This mode maximizes the use of DC energy and is used in grid stable areas.
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Page 19: Lcd Screen Operating Instructions
4. LCD screen operating instructions 4.1 Operation and display panel The operation and display panel is as shown below, including 1 LCD screen, 3 indicators and 4 operation buttons. 4.2 Introduction to operation keys Function Key Description Enter/exit setting menu Last option DOWN Next option... -
Page 20: Introduction To Lcd Screen
4.4 Introduction to LCD screen Icon Function Icon Function Indicating that AC input end has Indicating that inverter circuit is in been connected to working. power grid Indicates that the AC input Indicating that the machine is in mode in APL mode (wide mains supply bypass work mode voltage range) Indicating that PV input end has... - Page 21 Indicating that present Indicating that buzzer is not battery type of the machine is enabled lithium battery Indicating that current Indicating alarm of machine battery type of machine is lead-acid battery Indicating that the battery is in Indicating that the machine is in charge state.
- Page 22 Real-time data view method In LCD main screen, press keys “UP” and “DOWN” to turn page and view different realtime data of the machine. Parameters in the Page Parameters on the left side of the screen Parameters on the right side of the screen middle of the screen INPUT BATT V OUTPUT LOAD V...
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Page 23: Setting Parameter
4.5 Setting parameter Key operation description: to enter setting menu and exit from setting menu, please press key“SET”. After entering the setting menu, parameter number【00】shall flash. At this time, press keys“ UP ”and“ DOWN ” to select the parameter item code to be set. Afterwards, press key“ ENT” to enter parameter editing state. At this moment, the parameter value can flash. - Page 24 When parameter [01] = SBU, battery voltage is Mains to [05] 57.6V higher than the set value, the output is switched to battery default battery from mains at 52.4V~60V setting range. (This setting minimum is affected by item [08]) PV priority charging; only when the PV charging fails, [06] CSO the mains charging is started.
- Page 25 Lithium iron phosphate battery L14/L15/L16 corresponds to lithium iron phosphate battery 14, 15, 16 strings. 16 strings, constant-voltage [08] L14/L15/L16 charge voltage is 56.8V. 15 strings, constant-voltage charge voltage is 53.2V. 14 strings, constant-voltage charge voltage is 49.2V. Ternary lithium battery, which is adjustable. N13, [08] N13/N14 constant-voltage charge voltage is 53.2V.
- Page 26 When the battery voltage is lower than the Battery judgement point, the output is turned off discharging [15] 40V immediately. 40V~52V setting range at 0.4V limit default step. Valid when battery type is user-defined and voltage lithium battery. [16] DIS Disable equalized charging.
- Page 27 When automatic restart after over-temperature is disabled, if over-temperature occurs to switch off [24] DIS the output, the machine will no longer switch on the Automatic output. restart after When automatic restart after over-temperature over-temperature [24] ENA is enabled, If an over-temperature occurs to turn off default the output, it will restart to turn on the output when the temperature drops.
- Page 28 When [32] setting item = BMS, you need to select the corresponding lithium battery manufacturer's brand for communication. BMS communication protocols PAC=PACE, RDA=RITAR, AOG=ALLGRAND, OLT=OLITER, HWD=SUNWODA, DAQ=DYNESS, WOW=SRNE, PYL=PYLONTECH, UOL=VILION [34] DIS default Disable this function. Hybrid power to load mode, in which the PV is only charged first in utility mode and the remaining Hybrid power to load [34] Lod...
- Page 29 This mode only takes effect when the inverter communicates successfully with the lithium battery BMS (Battery Management System), and the following options can be set: [SET] When this option is selected, the inverter charging current adopts the value set in item [07], in which case item [07] can be set to any value from 0 to the maximum charging current.
- Page 30 Discharge stops when the capacity is less than this Stop discharging [59] 5% default setting value. (Valid when BMS communication is SOC setting normal) When the capacity is greater than this setting value, Stop charging SOC [60] 100% default charging stops. (Valid when BMS communication is setting normal) When the capacity is less than this setting value,...
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Page 31: Battery Type Parameters
Battery type parameters For Lead-acid Battery : Battery type Sealed lead Gel lead Flooded lead User-defined acid battery acid battery acid battery Adjustable (USE) Parameters (SLD) (GEL) (FLD) Overvoltage disconnection voltage Battery fully charged recovery point(setup item √ [37]) Equalizing charge 58.4V 59.2V 40～60V... - Page 32 For Lithium Battery : Battery type Ternary Ternary LFP (L16) Adjustable (N13) (N14) (L15) (L14) Parameters Overvoltage disconnection voltage Battery fully charged recovery point(setup 50.4V 54.8V 53.6V 50.4V 47.6V √ item [37]) Equalizing charge √ voltage Boost charge voltage 53.2V 57.6V 56.8V 53.2V...
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Page 33: Other Function
5.Other Function 5.1 Dry contact Working principle: this dry node can control the switch of diesel generator to charge the battery. ① Under normal conditions, in this terminal, NC-N point is closed and NO-N point is opened; ② when the battery voltage reaches the low-voltage disconnection voltage point, the coil of the relay is energized and NO-N point is closed and NC-N point opened. -
Page 34: Protection
6.Protection 6.1 Protection function Protection Note Function PV current/power limiting When the charge current of the configured PV array exceeds the protection rated current of PV, it will be charged at the rated current. At night, because the battery voltage is greater than that of the PV Anti-reverse charge module, the battery shall be protected against discharge through the protection at night... -
Page 35: Meaning Of Fault Code
6.2 Meaning of fault code Affecting Fault Code Fault Name Note output or not 【01】 BatVoltLow Battery undervoltage alarm Average overcurrent software 【02】 BatOverCurrSw protectionforbattery discharge 【03】 BatOpen No connection alarm of battery 【04】 BatLowEod Stop discharge alarm for battery undervoltage 【05】... - Page 36 【29】 Bus undervoltage protection BusVoltLow Battery capacity below 10% alarm (valid when 【30】 BatCapacityLow1 BMS is enabled) Battery capacity below 5% alarm (valid when BMS 【31】 BatCapacityLow2 is enabled) Battery low capacity shutdown (valid when BMS is 【32】 BatCapacityLowStop enabled) Check whether the communication cable is connected correctly and whether item [33] is set BMS communication...
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Page 37: Some Fault Troubleshooting
6.3 Some fault troubleshootin Fault Solving Measures Check whether the battery air switch or PV air switch is closed; No display on screen whether the switch is in "on" state; press any key on the screen to exit from the screen sleep mode Measure whether the battery voltage exceeds 60V, and Charge battery overvoltage protection disconnect the PV array air switch and the AC air switch... -
Page 38: System Maintenance
7.System Maintenance In order to maintain the best long-term performance, it is recommended to conduct following checks twice a year. Confirm that the air flow around the machine will not be blocked. In addition, remove any dirt or debris from the radiator. -
Page 39: Technical Parameter
8. Technical Parameter Model KE-5KL1EF-H AC mod Rated input voltage 220/230Vac (170Vac~280Vac) ±2% Input voltage range (90Vac-280Vac) ±2% Frequency 50Hz/ 60Hz (auto-detect) 47±0.3Hz ~ 55±0.3Hz (50Hz); Frequency range 57±0.3Hz ~ 65±0.3Hz (60Hz); Overload/short- circuit protection Breaker Efficiency >95% Conversion time... - Page 40 alarm/overvoltage restoration…settable LCD screen) Power saving mode Load ≤50W AC charge Battery type Lead acid or lithium battery Maximum charge current Charge current error ± 5Adc Charge voltage range 40–60Vdc Short-circuit protection Breaker and blown fuse Breaker specification Overcharge protection Alarm, stop charging after 1 minute Solar charge Maximum PV open circuit voltage...
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