Jntech JNP11KH-V4 Quick Installation Download Page 71

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Figure6-5 Water level sensor interface define

Table 6-4

Terminal

（

SENSOR

）

pin Detail

Dry protection pin

Overflow protection pin

COM

Dry protection and Overflow protection common
pin,

Notice

！

Above three input signal of water level sensors is passive signals, which is

matching opening or closing signal of the corresponding water level

sensors.

14.6.2 Water level sensor connection

Two kinds of water level sensor you can select as shown below:

Sensor

Figure6-6 Water level sensor

If you selected water level sensor A, then water sensor installation method is
shown below:

Summary of Contents for JNP11KH-V4

Page 1: ...JNP1K1L V5 JNP1K5L V5 JNP2K2L SE V5 JNP2K2L V5 JNP3KL V5 JNP3K7L V5 JNP2K2H V5 JNP3KH V5 JNP3K7H V5 JNP4KH V5 JNP5K5H V5 JNP7K5H V5 JNP11KH V4 JNP15KH V4 JNP18K5H V4 JNP22KH V5 JNP30KH V5 JNP37KH V5 JNP45KH V5 JNP55KH V5 JNP11KH V5 JNP15KH V5 JNP18K5H V5 JNPxG QI EN V1 1 ...

Page 2: ...f Inverter 6 3 ELECTRICAL CONNECTION 7 3 1 Connecting Terminals of Inverter 7 3 2 Cable Selection for Electrical Connection 8 3 3 AC Side AC IN and MOTOR Electrical Connection 9 3 4 DC Side Connection 10 3 5 Inverter grounding 11 3 6 Water Level Sensor Connection 11 3 7 Communication connection 15 QUICK INSTALLATION GUIDELINE FOR SOLAR PUMPING INVERTER JNP11KH V4 JNP15KH V4 JNP18K5H V4 16 4 INVERT...

Page 3: ...TION PROCEDURE 24 8 1 Prepare Installation Tools 24 8 2 Installation Direction 25 8 3 Installation of Inverter 26 9 ELECTRICAL CONNECTION AND DISASSEMBLING 28 9 1 Connecting Terminals of Inverter 28 9 2 Cable Selection 29 9 3 DC Side Connection 30 9 4 AC Side Electrical Connection 31 9 5 Inverter grounding 34 9 6 Water Level Sensor Connection 34 9 7 Communication Connection 37 9 8 Disassembling 39...

Page 4: ...18K5H V5 59 12 INVERTER UNPACKING 59 12 1 Unpacking Check 59 13 INSTALLATION PROCEDURE 60 13 1 Prepare Installation Tools 60 13 2 Installation Direction 61 13 3 Installation of Inverter 62 14 ELECTRICAL CONNECTION 64 14 1 Connecting Terminals of Inverter 65 14 2 Cable Selection 66 14 3 AC Side Electrical Connection 66 14 4 DC Side Connection 69 14 5 Inverter grounding 70 14 6 Water Level Sensor Co...

Page 5: ... Check according to Packing List whether all the parts are correct and in good condition or not Accessories are shown as below 1 2 3 4 5 6 7 8 9 10 x7 x2 x2 No Description No Description 1 PV pump inverter 6 Water level sensor Optional 2 Signal terminal 7 Quick Installation Guideline 3 Cold pressed Terminal SC4 5 8 Packing lis 4 Cold pressed Terminal UT10 5 9 Water level sensor Optional 5 Expansio...

Page 6: ...sed for drilling holes for installation bracket Straight screwdriver Ф3 Used for AC side wire installation Cross screwdriver Ф5 Used for installing and disassembling inverter cover 2 2 Installation Direction and spacing dimension The inverter shall be installed vertically or tilted backwards with a maximum angle of 10 The minimum installation spacing dimensions are shown below Direction Minimum sp...

Page 7: ...n of Inverter Step1 Drill holes in the selected installation position according to the size Hole distance 210mm Step2 Fix inverter in the located holes with bolts Step3 Tighten the bolts make the bolts cling to the wall ...

Page 8: ...nals of Inverter The input and output terminals are shown as below PV array GPRS antenna Water level sensor Water pump RS485 module Solar pumping inverter Grid Terminals Description Terminals Description PV PV array DC positive input terminals PV PV ...

Page 9: ...NP2K2L V5 440VDC 15A JNP3KL V5 440VDC 30A JNP3K7L V5 440VDC 30A JNP4KL V5 440VDC 30A JNP2K2H V5 440VDC 15A JNP3KH V5 440VDC 15A JNP4KH V5 440VDC 20A JNP5K5H V5 440VDC 30A JNP7K5H V5 440VDC 30A Notice It must be DC breaker it s prohibited to be replaced by AC breaker 3 2 Cable Selection for Electrical Connection User can select cables for electrical connection according to the following specificati...

Page 10: ...ct the AC wire according to the following steps Operation Instruction Operation Demonstration 1 Step Using wire crimpers connecting AC cable and Cold pressed Terminal SC4 5 Step2 JNP550L V5 JNP750L V5 JNP1K1L V5 JNP1K5L V5 JNP2K2L SE V5 The AC conductor R S PE U V W is fixed on the terminal through the corresponding waterproof terminal on the terminal cover Notice R is connected to the fire line S...

Page 11: ...st be off otherwise it may cause casualty Step1 Please connect the DC wire according to the following steps Operation Instruction Operation Demonstration 1 Step Using wire crimpers connecting PV cable and Cold pressed Terminal UT10 5 Step2 Fixed the positive and negative cable Secure to the terminal through the terminal cover Notice The phase sequence of AC pump motor and inverter should be corres...

Page 12: ...e the reliable connection between ground terminal of Inverter and the earth 3 6 Water Level Sensor Connection 3 6 1 Water level sensor interface define Water level sensor connector pins in inverter panel port are defined are shown below ...

Page 13: ...Terminal SENSOR connector pin Detail DG Dry protection pin Connected black cable SY Overflow protection pin Connected white cable COM Dry protection and Overflow protection common pin Connected green cable ...

Page 14: ...of OF F the LCD menu Settings Para Set OF F to modify to ON The setting method with reference to 21 Commissioning If you selected water level sensor A then water sensor installation method is shown below B1 connect white cable B2 connect green cable A2 connect green cable A1 connect black cable Note Both yellow shrub like hammer you need filled water when you install sensor A The detail figure of ...

Page 15: ...connect green cable A1 connect black cable The installation figure of Sensor A If you selected water level sensor B then water sensor installation method is shown below connect green cable connect black cable connect green cable connect white cable A the Installation location of overflow water level sensor 1 B the Installation location of pump dryed water level sensor 2 C Pump outlet 3 S about 1 3...

Page 16: ...ith cable of sensor should be upwards 2 For over flow protection the end with cable of sensor should be downwards 3 7 Communication connection Communication connector pins in inverter panel port are defined are shown below Notice More information about the communication module please refer to the User and Installation Manual ...

Page 17: ...ct and in good condition Accessories are shown as below 12 No Description No Description 1 PV pump inverter 7 Ring Terminals 2 Installation bracket 8 Packing list 3 Blue Ring tool 9 Water level sensor Optional 4 Expansion bolt 10 Quick Installation Guideline 5 PV connector 11 Water level sensor Optional 6 Sensor and communication connector Optional 12 Certificate of inspection ...

Page 18: ...lation Direction and spacing dimension 5 3 Installation of Inverter Step1 Drill holes in the selected installation position according to the size and shape of installation bracket Step2 Fix installation bracket in the located holes with bolts Step3 Tighten the bolts make the bolts cling to the wall Step4 Hang firmly inverter onto the installation bracket then lock the hole ...

Page 19: ...odule Solar pumping inverter Grid Terminals Description Terminals Description PV1 PV2 PV3 PV array DC positive input terminals PV1 PV2 PV3 PV array DC negative input terminals AC IN AC input terminals R S T PE MOTOR Output terminal connect with AC pump U V W SENSOR Water level sensor signal input terminal optional COM RS485 or GPRS communication interface optional Ground terminal ...

Page 20: ...ction Step1 Connecting of the wire of the connector Operation Instruction Operation Demonstration 1 The AC IN contains four cable each has a line mark R S T PE Respectively connected to the grid cable 2 The motor contains three cable each has a line mark U V W Respectively connected to the motor cable Notice The phase sequence of AC pump and inverter should be corresponding and if connection error...

Page 21: ...x 7mm Insert the exposed end of PV Cable into the connector tube and press tightly with wire crimpers 3 Effect figure Remember Terminals and connectors match the core is not reversed 4 Pull the above finished cable with tube through the fastening nut 5 Plug it into the wiring slot until a sound being heard which indicating plug into the right place Then tighten the nut 6 Effect figure Step2 Plug t...

Page 22: ... SENSOR connector pin Detail pin1 Dry protection pin Connected black cable pin2 Overflow protection pin Connected white cable pin3 Dry protection and Overflow protection common pin Connected green cable The define of water level sensor connector pins and the installation of water level sensor refer to 3 6 Water level sensor connection 6 7 Communication connection Communication connector pins in in...

Page 23: ... 22 Notice More information about the communication module please refer to the User and Installation Manual ...

Page 24: ...condition After unpacking please check whether the equipment is in good condition According to the packing list to check whether all the parts is correct and in good condition If any damage is found please contact supplier or the transportation company Please keep well the photos taken at the damaged parts and we ll provide you with best and fastest services Supplier supply the standard inverter a...

Page 25: ...1 Signal terminal row Standard 12 Cold pressing terminal SC35 8 Standard 8 Installation Procedure 8 1 Prepare Installation Tools The following tools will be needed during inverter installation and wire connection You also can choose the right tools according to your own experience Table4 1 Installation tools list Sketch map Name Recommend specification Function hydraulic tong 10 70mm For crimping ...

Page 26: ...lly Figure5 1 Installation directions The installation height of inverter should be convenient for operation and reading out of the LCD displayed information Do not install the inverter in a place where children can touch The inverter uses air cooling mode and the installation site selected should ensure the minimum installation spacing between the inverter and the fixed object and the nearby inve...

Page 27: ...er Notice Do not use jackbolts or screws to install inverters on rocks or panels Notice Fix the inverter on the rock or panel with the toggle bolt or screw is not permitted Supplier would provide the bolt which suitable for the installation on the concrete wall If the inverter is fixed on the wooden wall please choose suitable bolt to finish the installation the bolt length should be enough and pe...

Page 28: ...170mm and then drive the expansion bolt into the hole Figure 5 3 Bitmap of the JNPxH mounting hole Step 2 Use expansion bolts to fix the mounting sheet metal to the wall Lock the expansion bolt until the expansion bolt is attached to the wall Figure 5 4 Installation of expansion bolts Step 3 Hang the mounting lug on the back of the inverter onto the mounting sheet metal until the inverter is firml...

Page 29: ... personnel can perform the wiring installation work Incorrect wiring operation may cause operating casualties or equipment damage permanently Ensure that there is no electricity in DC side before the electrical connection Grounding correctly using proper conductor and taking necessary Short circuit protection to ensure the safe operation of inverter Don t switch on any breaker before all the elect...

Page 30: ...V PV array DC input terminals including PV PV MOTOR Output terminal connect with AC pump including U V W SENSOR Water level sensor signal input terminal optional COM RS485 or GPRS communication interface optional Grounding terminal Grounding screw on the right side of inverter case 9 2 Cable Selection Please select cable according to the following table Table 6 3 Specification of Cables for Electr...

Page 31: ...se the PV array may generate dangerous voltage cause casualty The Non professionals do not make the connection operation Warning Before connecting PV array to the inverter ensure the earth impedance between PV array and ground is not less than 1Mohm Notice If there is more strings PV modules in parallel each string PV module should be with the same model the same number of PV modules the same incl...

Page 32: ... the DC wire PV PV on the terminal pay attention to the positive and negative poles shouldn t be connected reversely and ensure that the circuit breaker at the DC side of the system is in the off state Figure6 4 PV side electrical connection Warning Make sure the Positive and Negative poles connection of PV array and Inverter are correct 9 4 AC Side Electrical Connection Notice It s forbidden to c...

Page 33: ... and grounding wires to the cold pressing terminal SC35 8 with crimping pliers seperately Step2 Fix the AC wire R S T PE U V W on the terminal through the corresponding waterproof terminal on the terminal cover Notice R S T PE pass through the AC in waterproof terminal U V W pass through the motor waterproof terminal R S T are AC input terminals and U V W are AC output terminals which should be co...

Page 34: ...e correctly connected to the Corresponding terminals Do not connect the AC input R S T to the grounding terminal wrongly Otherwise it will damage inverter Make sure single AC input Live line neutral line and grounded line are connected to corresponding R S and PE terminals T keeps without any connection Do not connect R S and AC input grounding wrongly Notice The phase sequence between AC pump and...

Page 35: ...erter is not recoverable damage The operation of the machine is unstable manifested as unstable pipeline water flow pump running noise etc 9 5 Inverter grounding Make sure the reliable connection between ground terminal of Inverter and the earth 9 6 Water Level Sensor Connection Dry protection function There are two kinds of detection models automatic and manual Automatic dry protection is achieve...

Page 36: ...n the right position The installation of water level sensor must be reliable and effective 17 6 1 Water level sensor interface define Water level sensor connector pins in inverter panel port are defined as below Figure6 5 Water level sensor interface define Table 6 4 Terminal SENSOR pin Detail DG Dry protection pin SY Overflow protection pin COM Dry protection and Overflow protection common pin Ta...

Page 37: ...u can select as shown below Sensor A Sensor B Figure6 6 Water level sensor If you selected water level sensor A then water sensor installation method is shown below B1 connect to SY B2 connect to COM A2 connect to COM A1 connect to DG Note Both yellow shrub like hammer you need filled water when you install sensor A Figure6 7 The detail figure of Sensor A ...

Page 38: ...onnect to COM connect to DG connect to COM connect to SY A the Installation location of overflow water level sensor 1 B the Installation location of pump dryed water level sensor 2 C Pump outlet 3 S about 1 3 m A B C S For dry protection the end with cable of sensor should be upwards For over flow protection the end with cable of sensor should be downwards Figure6 9 The installation figure of Sens...

Page 39: ...the same terminal block and the pin definitions are shown in the table below Table 6 5 COM terminal pin definition on machine panel Terminal SENSOR pin Detail VCC 5V power supply A RS485 communication port A B RS485 communication port B GND Electrical grounding The following diagram guide you to connect a single inverter to monitoring equipment ...

Page 40: ... monitoring software settings after completing the wire connection Notice The monitoring software is optional when choose this function Inverter Management System User Manual can be found from the accompanying CD The inverter is supplied with default address 10 9 7 2 GPRS Communication Notice More information about the communication module please refer to the User and Installation Manual For GPRS ...

Page 41: ...crewdriver to remove the grounding screw on the right side of the inverter case and then use a 5 Allen wrench to screw down the cover plate fixing screws in turn and install the gasket under the screw When screwing down pay attention to prevent the gasket from falling off 2 when cover it back first use a cross screwdriver to lock the grounding screw on the right side of the inverter case then scre...

Page 42: ...verter are connected correctly and maintained consistent with the PV array AC Input Make sure R S and T of the AC input terminal of the inverter are properly connected Do not connect R S and T to the ground pin AC Output Make sure that the AC side of inverter is connected correctly and phases of AC side are connected correctly Verify of the water pump motor parameters Check the electrical paramete...

Page 43: ...er normal operation FAULT Faulty light Red Light on when error occur off when error be cleared Buttons Functions ON OFF Press for 4s to get it started UP Page up or increase parameter data DOWN Page down or decrease parameter data ENTER To choose and confirm DOWN ENTER Return to main interface Notice When inverter power on LCD screen background is lighted and after 30s normal running the backgroun...

Page 44: ...st running ender user need to long press ON OFF key for 4 seconds around then inverter start to run Stop inverter press ON OFF key 1 second around inverter shut down If the water output is very small or even no water output please check the following two points 1 Sun radiation is not strong enough 2 Pump reverse modify the inverter parameters change the LCD menu M Mode the factory default is FWD c...

Page 45: ...ngs Fault inquiry ESC Settings Time T Limit Para Set Pump Para Set SiteNum Set Clear S Data Clear F Data Password Set Language ESC Time Time T Limit Para Set Pump Para Set SiteNum Set Clear S Data Clear F Data Password Set Language ESC Para Set Imotor 20 4A D Power 1500W D Time 30min StopFreq 10Hz F Limit 50 00Hz Load 380V 50Hz D Mode Auto OF F Off 电机相序正向 ESC M Mode FWD OF Time 30min V Hys 0V T D...

Page 46: ...lease refer to 10 3 1 Only DC Input for commissioning steps At the first running ender user need to long press ON OFF key for 4 seconds around then inverter start to run Stop inverter press ON OFF key 1 second around inverter shut down So far your solar pumping systems first commissioning is completed Thank you for using green energy 10 4 Commissioning for JNP22KH V5 JNP55KH V5 10 4 1 Modify motor...

Page 47: ...ameters Below take Siemens motor and inverter parameters as example Table motor nameplate as example SIEMENS THREE PHASE ASYNCHRONNOUS INVERTER DUTYMOTOR 3 MOT 37KW 380V 50Hz Current 71A COSφ0 86 IP55IM 1080Kg Torque 1285N M TH CI 155UF Constant Torque 10 50Hz BRGDE 03193 Speed 1488r min Q 321081 KJA005 2012 SIEMENS LTD CHINA Table motor nameplate s parameters contrast to inverter Motor parameters...

Page 48: ...ted 0 86 After confirming the needed parameters of inverter enter the motor parameters interface of LCD displayed screen The parameters should be the same as listed in table The detailed operating processes are shown as below ...

Page 49: ... U Rated 380 V I Rated 75 A P Rated 37 kW F Rated 50 Hz RPM Rated 2935 PF Rated 0 86 StopFreq 20Hz M Mode FWD Debug Mode 6 Imotor 80 8A ESC ENTER U Rated 380 V I Rated 75 A P Rated 37 kW F Rated 50 Hz RPM Rated 2935 PF Rated 0 86 StopFreq 20Hz M Mode FWD Debug Mode 6 Imotor 80 8A 是 No Yes ENTER ESC UP DOWN UP ENTER Debug Mode 6 U Rated 380V 运行信息 Inverterinfo Statistic Settings ESC RunInfo MotorCtr...

Page 50: ...aiting Inverter is power on firstly Pin 0W R Mode MPPT Iin 0A Vin 0V Iaout 0A Fout 0 00Hz Run Stop Stop D Mode Auto OF F Off ENTER Please check outwire connection If connection is OK please switch on PV combine box Inverter is on stopmode Please switch off PV combine box The test of motor parameters and commissioning sketch figure Notice 1 If the test failed please check whether the inverter outpu...

Page 51: ...Mode FWD Debug Mode 0 Imotor 80 8A ESC U Rated 380 V I Rated 75 A P Rated 37 kW F Rated 50 Hz RPM Rated 2935 PF Rated 0 86 StopFreq 20Hz M Mode FWD Debug Mode 6 Imotor 80 8A ESC ENTER U Rated 380 V I Rated 75 A P Rated 37 kW F Rated 50 Hz RPM Rated 2935 PF Rated 0 86 StopFreq 20Hz M Mode FWD Debug Mode 6 Imotor 80 8A 是 No Yes ENTER ESC UP DOWN UP ENTER U Rated 380V Debug Mode 0 Press ON OFF for 4S...

Page 52: ...to REV thus adjustable steering pump increase the water solar pumping system running at peak performance Please refers to the above Parameter Setting for details 10 4 4 Pump motor rated current confirmation The Initial commissioning solar pumping systems you need to set the value of the inverter overload protection according to the pump motor nameplate rated motor current value the LCD menu Settin...

Page 53: ... shut down till the water level reach the higher water level sensor inverter can restart automatically Water level of water source is lower than lower level sensor even lower than inlet of pump 1 Please check the water level if the water level is ok please check whether there have air inside pump or not 2 Please check the position of water level sensor State 110 Weak sunshine Inverter shutdown The...

Page 54: ... reasonable 1 Inspect pump motor 2 Inspect pipe system Fault111 Temp sensor fault Inverter shut down Temp sensor inside inverter loosen or damage Please contact supplier Fault112 Short circuit Inverter shutdown non recover malfunction No automatically restart only if recharged Output wire short circuit 1 Please check if there is short circuit in output wires 2 If this happen frequently please cont...

Page 55: ...or the array voltage is too low or a hardware failure Disconnect the grid and PV input switch to ensure that the inverter input has no voltage Check the grid voltage and PV voltage with a multimeter Fault204 Shortage pha se input Inverter shutdown and will restart automatically after the fault disappears One or two phase output cables of the grid are not well connected to the inverter The power gr...

Page 56: ...afternoon and cloudy days This situation is aim to protect the motor of pump State 114 Overflow alarm Inverter shut down till water level in tank is higher than higher water level sensor and it can restart automatically when the status disappears Water level in tank is higher than higher level alarm of set If this situation appears more than once please check onsite and set the water level sensor ...

Page 57: ...between inverter and pump appear fault Please check if the output wires are proper connected and fixed Fault 200 Fault 201 Fault 202 Fault 203 Inverter cannot start 1 The connection between motor and inverter is not in good condition 2 Motor failure 3 Inverter failure 1 Check the connection between motor and inverter whether there exist short circuit open circuit and etc 2 Check motor situation Fa...

Page 58: ...er input has no voltage Check the grid voltage and PV voltage with a multimeter Fault207 Shortage pha se input Inverter shutdown and will restart automatically after the fault disappears One or two phase output cables of the grid are not well connected to the inverter The power grid connection is loose and falls off Disconnect the grid and PV input switch to ensure that the inverter input has no v...

Page 59: ...k whether inverter outer packing is in good condition After unpacking please check whether the equipment is in good condition According to the packing list to check whether all the parts is correct and in good condition If any damage is found please contact supplier or the transportation company Please keep well the photos taken at the damaged parts and we ll provide you with best and fastest serv...

Page 60: ...nals Optiona 8 Water level sensor Optiona 9 GPRS_Device Optiona 10 RS485 RS232 Converter Optiona 13 Installation Procedure 13 1 Prepare Installation Tools The following tools will be needed during inverter installation and wire connection You also can choose the right tools according to your own experience Table4 1 Installation tools list Sketch map Name Recommend specification Function Wire crimp...

Page 61: ...rds Never install the inverter horizontally Figure5 1 Installation directions The installation height of inverter should be convenient for operation and reading out of the LCD displayed information Do not install the inverter in a place where children can touch The inverter uses air cooling mode and the installation site selected should ensure the minimum installation spacing between the inverter ...

Page 62: ...Minimum spacing of adjacent installations Table5 1 Minimum spacing dimension Direction Minimum spacing Above 100cm Below 100cm Sides 100cm Front 100cm 13 3 Installation of Inverter Notice Do not use jackbolts or screws to install inverters on rocks or panels ...

Page 63: ...t to finish the installation the bolt length should be enough and penetrate the 1 2 depth of the walls Step 1 According to the size of the inverter select a suitable location for drilling on the wall It is recommended to drill 8 1 0mm in diameter and 60 5 0mm in depth The hole spacing is shown in the figure below Drive the expansion bolt into the hole FIG 5 3 Bitmap of the JNPxH mounting hole Step...

Page 64: ... attached to the wall Put on photovoltaic inverter FIG 5 5 Completion effect of installation 14 Electrical Connection The electrical connection can be carried out when the mechanical installation of inverter is completed The following operation specification must be followed when making electrical connection ...

Page 65: ... t switch on any breaker before all the electrical connection are finished 14 1 Connecting Terminals of Inverter All connection terminals are at the bottom of the inverter Remove the terminal cover with a cross screwdriver It contains DC side input PV terminal AC side AC input AC IN AC output MOTOR terminal communication terminal and water level sensor terminal inside The DC side input terminal AC...

Page 66: ...he right side of inverter case 14 2 Cable Selection Please select cable according to the following table Table 6 3 Specification of Cables for Electrical Connection Inverter Cable range AWG Cable recommended AWG DC side AC side DC side AC side PV PV U V W PE PV PV U V W PE JNP11KH V5 5 6 7 8 7 5 7 7 JNP15KH V5 5 6 7 8 7 5 7 7 JNP18K5H V5 5 6 7 8 7 5 7 7 14 3 AC Side Electrical Connection Danger It...

Page 67: ...nding waterproof terminal on the terminal cover Notice R S T PE pass through the AC in waterproof terminal U V W pass through the motor waterproof terminal R S T are AC input terminals and U V W are AC output terminals which should be connected to pump Noticed For JNPxL series single phase AC input inverter AC input Live line is fixed to R corresponding terminal Neutral line is fixed to S correspo...

Page 68: ...the R S T and grounding are correctly connected to the Corresponding terminals Do not connect the AC input R S T to the grounding terminal wrongly Otherwise it will damage inverter Make sure single AC input Live line neutral line and grounded line are connected to corresponding R S and PE terminals T keeps without any connection Do not connect R S and AC input grounding wrongly otherwise it will d...

Page 69: ...trings PV modules in parallel each string PV module should be with the same model the same number of PV modules the same inclination angle the same azimuth angle and the same cross sectional area of the connecting wires Inspect every system carefully before installation Step1 Please connect the wire of DC according to the following steps Operation Instruction Operation Demonstration 8 Connect DC w...

Page 70: ...4 6 Water Level Sensor Connection Dry protection function There are two kinds of detection models automatic and manual Automatic dry protection is achieved through inverter s software And manual model need water level sensors to input signal through SENSOR inside Inverter Overflow Protection water level sensors are requested to input signal through SENSOR inside Inverter 14 6 1 Water level sensor ...

Page 71: ...otice Above three input signal of water level sensors is passive signals which is matching opening or closing signal of the corresponding water level sensors 14 6 2 Water level sensor connection Two kinds of water level sensor you can select as shown below Sensor A Sensor B Figure6 6 Water level sensor If you selected water level sensor A then water sensor installation method is shown below ...

Page 72: ...or B the Installation location of overflow low water level sensor 1 C the Installation location of pump dryed high water level sensor 2 D Pump outlet the Installation location of pump dryed low water level sensor 3 S about 1 3 m B To Water level sensor connector B1 connect To SY B2 connect to COM A2 connect to COM A1 connect to DG Figure6 8 The installation figure of Sensor A If you selected water...

Page 73: ... B 14 7 Communication Connection 14 7 1 RS485 Communication When the inverter communicates with a single machine the communication between the inverter and the monitoring equipment can be connected through the communication cable The COM outside the inverter is the remote communication terminal and the output terminal wire is connected to the monitoring equipment computer Notice If you choose Wate...

Page 74: ...Table 6 5 COM terminal pin definition on machine panel Terminal SENSOR pin Detail VCC 5V power supply A RS485 communication port A B RS485 communication port B GND Electrical grounding The following diagram guide you to connect a single inverter to monitoring equipment Figure6 11 Diagram of single communication wiring The wiring diagram is schematic diagram just take HEXIN converting module ...

Page 75: ...nagement System User Manual can be found from the accompanying CD The inverter is supplied with default address 10 14 7 2 GPRS Communication Notice More information about the communication module please refer to the User and Installation Manual For GPRS 14 8 Disassembling 14 8 1Safety Instruction Warning Before disassembling the inverter Turn off the DC switch Waiting for a few minutes till ensure...

Page 76: ...d then use a 5 Allen wrench to screw down the cover plate fixing screws in turn and install the gasket under the screw When screwing down pay attention to prevent the gasket from falling off 2 when cover it back first use a cross screwdriver to lock the grounding screw on the right side of the inverter case then screw all the cover screws into the screw holes use a 5 Allen wrench with a torque of ...

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