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KStar KSH-3.68k-48 User Manual

Kse series bi-directional energy-storage inverter
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1 Preface .......................................................................................1
2 Safety instructions ................................................................................1
3 Signs .........................................................................................2
4 System wiring diagram .................................................................................. 2
5 Installation .............................................................................................3
5 . 1 P a c k i n g l i s t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
5.2 Machine appearance ............................................................................4
5.4 Inverter installation ............................................................................5
5.5 Wiring .............................................................................6
5.5.1 AC wiring .........................................................................6
5.5.2 PV wiring ......................................................................9
5.5.3 Battery connection .........................................................10
5.5.4 RS485 Communication connection ....................................................12
5.5.5 RS232 and dry contact .....................................................13
5.5.6 External CT connection .....................................................13
6 Instructions for LED indicator ........................................................................15
7 Working mode ....................................................................................16
7.1 Self-generation and self-consumption ......................................................16
7.2 Battery priority .............................................................................16
7.3 Peak load shifting ...........................................................................16
8 Display and setting .................................................................................18
9 Alarm code and error code ..................................................................36
10 Fault diagnosis and solutions ............................................................37
11 Machine parameters .................................................................................40
Contents
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Summary of Contents for KStar KSH-3.68k-48

  • Page 1: System Wiring Diagram

    Contents 1 Preface ..................1 2 Safety instructions ................1 3 Signs ..................2 4 System wiring diagram ………………………………………………………………………. 2 5 Installation .....................3 5 . 1 P a c k i n g l i s t ..............3 5.2 Machine appearance ................4 5.3 Installation position ..............4...
  • Page 2 1. Pr reface his product is a h hybrid inverter, through which solar energy ca an be connected d and stored i batterie s as well as pow wer the load. It i is an intelligent energy product t that incorporat tes both general needs of custom...

  • Page 3: Sign

    3. Si igns Caution－ Igoring the sign ns in the manua l may cause min nor or moderate e injury. Danger! H High Voltage！E Electric shock! Hot！ No o touching！ No disposa al as daily garba age, but recyclin ng through spec cial means.

  • Page 4: Installation

    5. Installation 5.1 Packing list Prior to installation, please check if the outer appearance of machine is intact and the parts i attachment bag are not inconsistent with the list. Figure 3 Name Quantit Description Inverter Power storage inverter Installation pendants Used for installing the inverter Battery protective...
  • Page 5 Providing users s with guidance User m manual installation, ope eration, maintena ance, fault diagnosis an nd the like. Packin ng list Accessories list Extern nal CT Monitoring grid current 5.2Mac chine appea arance Figure 4 7.RS232 inter face DC switch 1.LCD Displ 8.
  • Page 6 inverter should d be installed v ertically or tilte ed no more than n 15°   Do n not install the in nverter on a for rward-leaning o or horizontal pl ane. Insta all the inverter on a solid and ventilated surfa ace.

  • Page 7: Wiring

    Figure 9  Purge away the dust inside and outside the drilling hole, and insert the expansion tube into the hole vertically. Strike expansion tube directly with the hammer to make it fully into the wall, then align the rack to the hole and tighten it with the self-tapping screw. Figure10 ...
  • Page 8 confo formity with the e specification o of grid connecti ion. (2) The PE line (groun nd wire) of the i inverter must b e reliably earth hed so as to ensu ure the impe edance between n the neutralline e and ground w ire is less than 10 Ω.
  • Page 9 Clamped Figure 14 Connect the AC C wiring termin nal to the corres ponding hole s ite of the invert ter and lock ith a screwdriv ver or electric screw driver (s suggestion: ste em diameters a and torsion o rewdriver or el ectric screwdriv ver should be 4...
  • Page 10 5.5. .2 PV wiri (1) Insta allation instruc tions for the co onnection of PV V wiring termin (Termina als are polarized d，please pay a attention to the sign of “+” and d “-” on the bod ① Recommen ded PV input c cable: it ①...
  • Page 11 5.5. .3 Battery connectio  A reverse pol larity connectio on may damag e the inverter. Please pay att tention to th connection.D Damage caused by a reverse polarity conne ection is not c overed unde warranty.  Be careful of e electric shock a and chemical co ontamination.
  • Page 12 (6) Use tool to o clamp the batt tery wiring term minal and cable e; and then scre ew the nut,bu do not tigh hten it. Make s sure that the ca able is free to p pass through th he waterproo component ts.

  • Page 13: Rs485 Communication Connection

    5.5.4 RS485 Communication connection The power storage inverter contains two 485 interfaces, with one for external WiFi and GPRS communication, and the otherfor lithium battery communication. Figure 22 485+ 485- Null CAN+ CAN- GNDS GNDS 5.0VS 485+ 485- Null Null GNDS GNDS 5.0VS...
  • Page 14 Cr y stal head Single-apertu ure sealing ring able eet metal parts Insulator RS-485 wa aterproof compo onents Figure 2 5.5. .5 RS232 a and dry co ontact Power storage inverter r has a 232 inte erface, which is used for progr ram upgrading;...
  • Page 15 (2) Loo sen the nut, and d untangle the si ingle-aperture s sealing ring. Single e-aperture seali ng ring eet metal parts Cable Insulator Figure 26 图 25 (3) Pass s the wire throug gh the waterpro oof components Figure 2 (4)Use a slotted screw driver to keep p...
  • Page 16 Figure 28 (5) Con nnect the black w wire according t to Step 4. (6) Insta all the water-pro oof component, , and tighten the e water-proof sh heath nut. (7)Open n the connection n port of externa al CT; The arro ow points to the power grid;...

  • Page 17: Working Mode

    Stand-by Hybrid power connection Off-network Bypass of mains flash Fault 7. Working modes The machine has three kinds of working modes: self-generation and self-consumption, battery priority, and peak load shifting. 7.1 self-generation and self-consumption When solar energy is sufficient, power converted by inverter (from solar energy) will first be used to supply the load ，...
  • Page 18 Select 1 to set up Press Initial interface User Enter password Press ENTER button button before powering on Default password 00000 Press UP/DOWN button Choose according Press ENTER Press ENTER to local power grid Restart button 3 Grid standards button Note: If there are requirements reactive power in the locality, please refer to 8.2.4 and set up in line with the actual needs.
  • Page 19 Press ENTER button Enter password 1 System setting Setting Press ENTER Press ENTER button button Press ENTER button Restart 1 Self-generation and self-consumption After the Restart interface appears, the machine will return to the selection interface of three working modes; If more items are to be set up, restart after finishing the setting.

  • Page 20: Display And Setting

    8. Display and Setting 8.1.1 PV1 input display interface Interface PV1 INPUT PV1 input real-time voltage VOLT：33.8V PV1 input real-time current CURR：0.00A PV1 input power POWER： 0W 8.1.2 PV2 input display interface Interface PV2 INPUT PV2 input real-time voltage VOLT：49.8V PV2 input real-time current CURR：0.00A PV2 Input power...
  • Page 21 8.1.6 BMS parameters Interface Battery charging voltage BMS PRMETER Battery charging current: (select CHAR VOLT： 54.5V according to battery type) CHARGE： 25A Battery discharging current DISCHA：100A 8.1.7 Grid-connected output Interface GRID OUTPUT Mains Real time voltage VOLT： 0.0V CT real-time current CURR：...
  • Page 22 Interface POWER PV real-time total power PV I/P：W BACKUP real-time load LOAD： Battery real-time load（+ means discharge, - BAT： means charge） 8.1.12 Temperature Interface TEMPERATURE Real-time temperature of inverter system radiator INVER： 25℃ Real-time temperature ofBidirectional DCDC DCDC：26℃ System Radiator INSIDE：27℃...
  • Page 23 Sel f-generation S tatus mode : SYSTEM sel f-c onsumpt ion ， Peak load shifti ng ， a nd STATE:PEAKS HIFT Battery priority GRID STD:China China, Grid-connection standards: PV I/P： INDEPN Ge rmany, Aust ralia, Italy, Spain, Hungary, Belgium, Western Aust ralia, Gre ece , F rance , Bangkok, Thailand, local and 60 HZ.
  • Page 24 This inte rfac e used various --SETUP-- informat ion inquiry options. → 1：SYS SETTING Pre ss UP/DOWN but ton move 2：BAT SETTING corresponding options. 3：GRID STD Pre ss ENTER to enter the selected me nu. 4：RUN SETTING Pre ss ESC button to return to the u se r 5：485 ADDRESS interface(refe r to 8.1.16) 6：BAUD RATE...
  • Page 25 Time setup Interface Description This interface i s used to opt for the time of CHAG START: 00：00 pe ak load shift ing CHARGE END:00：00 Pre ss UP/DOWN but ton move DISC START: 00：00 corresponding options. DISCHA END: 00：00 Pre ss ENTER to enter the selected me nu. Press ESC button to return to the working mode inte rface.
  • Page 26 ⑥ Input mode Interface Description Se tup of PV Input mode. --INPUT MODE -- factory se tting default →1:INDEPENDANT standalone mode. 2：PARALLEL When para lle l input 3: CV stand-alone mode , power will imbalanced. 8.2.2 Battery parameters Interface Description This inte rface is used to sele ct battery pa ra met ers .
  • Page 27 --BAT CAP-- Thi s value is the capaci ty of le ad-a cid INPUT： 0100 ba tterie s with a range of 50~1000; UNIT： ② Battery cutoff voltage Interface Description Pre ss UP /DOWN button to inc rea se or de crea se the input fi gure;...
  • Page 28 Pre ss UP /DOWN button to inc rease or de crea se the input fi gure; --CHARGE VOLT-- INPUT 56.5 Pre ss Ente r button move cursor UNIT: backwa rd, confirm i nput and return to ba ttery para met ers inte rfa ce ; Pre ss ES C button to move cursor forward and re turn to bat te ry pa rame te rs inte rface.
  • Page 29 --RUN SETTING-- Press UP/DOWN button move → 1：REACT POWER corresponding options; 2：GRID POWER Press Enter to enter the selected me nu; 3：DISC POWER Press ESC button to return to se tting 4：CHAG POWER interfa ce (refe r to 8.2). Options inc lude 5：VAC-MIN reactive compe nsation mode, grid power, 6：VAC-MAX...
  • Page 30 standard. ② Grid-connected power Interface Description Press UP /DOWN butt on to adjustthe input -GRID PERCENT- figure; INPUT： 100% Press ENTER button to confirm or ESC button to cancel the input and return to ope rat ion pa rame te rs inte rface; Value range The input va lue should range bet ween 0 (0~100)
  • Page 31 Grid Low Voltage Prote c tion Point Pre ss UP/DOWN button to adjust the input -GRID VOLT LOW- figure; INPUT： Press Enter to confirm the input and enter UNIT： resta rt interfa c e (re fe r to 8.4); Value range Pre ss ESC button to cancel the input a nd (150~200V) return to operation para me ters interface;...
  • Page 32 Grid Over Frequ ency Protection Point Press UP/DOWN adjust input --GRID FREQ HIGH-- number; INPUT: 52.0 Press ENTER to confir m t he input and UNIT : ente r resta rt int erfac e; Val ue r a ng e Pre ss ES C to c ancel the input and re turn to ( 5 0.
  • Page 33 Interface Description Pre ss UP/DOWN button to adjust the input --LIGHT TIME-- figure; INPUT：20 Press ENTER button to confirm or ESC UNIT：S (seconds) button to cancel the input and return to setup interface; Value range The input value should range between 20 (20～...
  • Page 34 Interface Description →12:MAINTENANCE Maintaine r use only. 8.2.13Factory default setting Interface Description -FACTORY RESET- Pre ss UP/ DOWN buttonto move →1： CANCEL corresponding options; 2： CONFIRM Press Enter to enter the selected item. 8.3 Inquiry Interface Description Press UP/DOWN button move --INQUIRE-- corresponding options;...
  • Page 35 This int erfa ce di splays fir mwa re version --FIRMWARE-- for ARM and DSP of the inverter; ARM VER：0.0 Press ESC button to return to inquiry DSP VER：0.0 interfa ce. ④ Running records Interface Description SN of the fault: Fault warning code s (500 at utmost)(the la te st fault or alarm ma rked --REC(170)-- as No.1)
  • Page 36 Operation length of inve rte r （ hou rs ） --Time-- Grid-connec tion length （ hours ） RUN：5 PressESC button to re turn to statistics GRID：0 interfa ce. UNIT：HOUR ②Grid-connection frequency Interface Description This inte rface displays grid-connect ion -- CONNE.TIMES -- frequency of the inve rte r ；...
  • Page 37 Interface Description This inte rfa ce displa ys po wer gene ration for the month （ KWH ） ; --E-MONTH-- PV power generation; PV：0.0KWH Grid-connec tion powe r gene ration; GRID:0.0KWH Power consumption of lo ad and inverter; CNSUM：0.0KWH PressESC button to re turn to statistics interfa ce.
  • Page 38 Fan Lock 风扇堵转 Over Load 过载报警 Bat Volt Open 电池未连接 Bat Volt Under 电池欠压 Bat Volt Low 电池电压低 Bat Volt High 电池电压高 Grid Volt Low 电网电压低 Grid Volt High 电网电压高 Grid Frequency Low 电网频率低 Grid Frequency High 电网频率高 GFCI Over 漏电流高...
  • Page 39 EPS Relay Fail 后备继电器错误 GFCI Sensor Fail GFCI 传感器错误 Current Sensor Fail 电流传感器错误 PV Input Short PV 输入短路 Communication Fault 主从通讯错误 10. Fault diagnosis and solutions The inve rter is ea sy to ma intai n. When you enc ounte r the following proble ms,please re fe r to the Solutions be low, and cont act the l ocal dist ributor i f the problem re ma ins unsolved.
  • Page 40 (1) Check for good ground connection.; (2) Check if the earth resistance of PV+ and PV- is greater than 2MΩ; Insulation (3) If it is smaller than 2MΩ, check PV string for Resistance Fail ground fault or poor ground insulation; if it is greater than 2MΩ, please contact the local inverter customer service once fault is not removed.
  • Page 41 (1) Check if the battery is in line with the presetting; Bat Volt Over (2) If so, power off and restart; (3) Contact customer service if error warning continues. (1) Check if the local voltage and frequency is in compliance with the machine specification; (2) If voltage and frequency are within the accepted range, then wait 2 minutes for the Grid Fail...

  • Page 42: Machine Parameters

    (3) Contact customer service if error warning continues. INV Over (1) Please contact the distributor. Volt (1) Please contact the distributor. Frequency Loss 11. Machine Parameters Model KSH-3.68k-48 KSE-4.6k-48 KSH-5k-48 DC input Maximum PV input 4600w/2300w 5600w/2800w 5600w/2800w power Maximum PV input...
  • Page 43 current Power factor Power factor range L0.80～L0.99, C0.8～C1.00 Output grid single phase Maximum/European 97.6%/97% 97.6%/97% 97.6%/97% efficiency Battery charge / 94%/93% discharge efficiency Battery Parameters Battery voltage range 45-55V 45-55V 45-55V Maximum charge/ 3680w/3680w 4600w/4600w 4600w/5000w discharge power Maximum charge/ 80A/80A 80A/100A 80A/100A...
  • Page 44 Cooling mode natural cooling natural cooling natural cooling IP rating IP65 IP65 IP65 Humidity range <95% <95% <95% Feature DC connection and PV connector/battery terminal/spring terminal AC connection Display LCD12864 LCD12864 LCD12864 Communication RS485/Digital IO Machine Warranty Grid specification (single-phase） Output Voltage OutputFrequency Boot Time(S)

This manual is also suitable for:

Kse-4.6k-48Ksh-5k-48

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