Clenergy Inverter User Manual
Contents
1. VOLT GRID FREQ Yes O P CUR Press Display xxx KWH O P energy button gt 5 Sec RATING xx KW PV Inverter Rating a pa M CPU Ver xxx Firmware version of Mater CPU Com NA M S CPU Ver xxx Firmware version of Slave CPU Contrast Setting Display button is untouched for gt 5 Press Display button gt 5 Sec Display button is touched for gt 5 Press Display Press button to select Contrast 1 to Contrast 5 Then press button for over 5 seconds Puo aee LCD will show Setting Contrast setting is OK Display Freeze Lock Press button to select English or German Then press button for over 5 seconds LCD will show Setting Language setting is OK Page 17 of 26 Clenergy SPH Installation and Operation Manual e Fault condition The display panel will show the Error Message during fault conditions The table shows the full list of messages with an explanation of the fault See the Troubleshooting section for further information on fault resolution Error Message Explanation mismatch mismatch Internal Master Slave grid impedance mismatch mismatch Internal Master Slave grid DC current mismatch e Typical display panel messages The table explains typical display panel messages that occur depending on the SPH inverter operating status and display panel mode Page 18 of 26 Clenergy SPH Installation and Operation Manual Description Operating con2. Verify that the electric grid voltage is 220V to 250V AC single phase at 50Hz or 60Hz This information is available from the electricity provider 2 Ensure that the AC supply wire to the inverter is disconnected from the electric grid For example the fuse is removed or the circuit breaker is open Verify with an AC voltmeter that there is no voltage between the Line and neutral AC wire and between each AC wire and earth ground 3 The table provided suggests minimum wire sizes for the AC cable Ensure the selected wire conforms to local and national wiring codes Model b mm AWG no 1500 2000 3000 4000 5000 6000 4 For SPH15 SPH20 SPH30 SPH40 connect AC wires as follows e Disassemble the AC output female socket e Connect AC wires to connection socket as indicated Female insert with coupling ring AC wire inserting direction Pressing screw e Strip the wire sheath and conductor insulators the minimum amount necessary to insert the wires into the connection pins e Insert Line wire tol L Neutral wire tol N and Ground wire to pin e Fully tighten the wire clamp screws in each connection pin e Assemble the socket again Insert the whole socket into the inverter e Twist the coupling ring to receptacle on inverter Make sure it is perfectly matched and tightly fastened Page 12 of 26 Clenergy SPH Installation and Operation Manual 5 For SPH50 amp SPH60 connect AC wires as follows e Disass
3. technicians can also change the unit setting and download new firmware via the RS232 interface using PV_Reflash software 1 RS232 The SPH inverter is equipped with a 3 wire RS232 interface using a DB9 socket This is located under the RS232 cover on the bottom of the unit The table below defines the connector pin functions N C means No Onnea Assignment Description N C NG _Cemmen __ Common Female Side 2 Optional communication slot This slot is a very powerful expansion slot The SPH unit can accept a special communication function card in this slot There are 2 kinds of cards available now One is an RS485 card and the other is a SNMP Simple Network Management Protocol card In the future other cards may be developed For detailed information please refer to the instruction manual of the individual card Page 21 of 26 Clenergy SPH Installation and Operation Manual 6 Troubleshooting When installed and operated correctly the SPH inverter will give many years of trouble free operation Sometimes fault messages will be displayed due to abnormal conditions on the PV array or electric grid These messages will clear automatically and the unit will restart once the PV array voltage and electric grid conditions return to the normal ranges Occasionally you may experience a fault message that does not clear automatically when the conditions return to normal This may be due to a problem with the overall PV i
4. verify that the electric grid is stable 7 If inverter works normally the LCD display panel will show Working mode and power is delivered to the electric grid If there are any problems refer to the Troubleshooting section for possible resolutions 8 The installation test is complete t Do not connect the AC power at this stage Page 14 of 26 Clenergy SPH Installation and Operation Manual 4 Inverter status The SPH Inverter is designed to be user friendly The status of the inverter can be easily understood from the display panel Display information e LED lamps There are 2 operating status LED lamps on the unit Power LED Blue Lit when the unit is working and transferring power Dark when the unit is shutdown or in fault mode Status LED Red Lit when the unit is in fault or failure mode See the display panel for more details Dark in normal or shutdown operation e LCD display panel o Normal operation The display panel will show Working Mode during normal operation In Working Mode press the display button to enter Meter Mode In Meter Mode the display panel shows operating information Each time the display button is pressed the value changes to the next item O P WATT PV VOLT PV CUR GRID VOLT GRID FREQ O P CUR xxx KWH O P energy RATING xx KW PV Inverter Rating M CPU Ver xxx Firmware version of Mater CPU S CPU Ver xxx Firmware version of Slave CP
5. 26 Clenergy SPH Installation and Operation Manual 1 2 SPH40 LC o O IT m External protective earth PE terminal Front view Bottom view Display information switch Operation LED Blue Working Mode Operation LED Red fault status S LCD Display Showing the inverter status AC connector OAT r N TAL UW WANA Solar panel input Optional communication ee USB RS232 slot SNMP and RS485 Display and connections Page 6 of 26 Clenergy SPH Installation and Operation Manual 1 3 SPH50 amp SPH60 USB ere ele 90080 000068 00000 C0O9090 90008000 9008000 9003000 0G90008090 089000600_ 0089000600 0609000600 0089000900 B9OQQO00BD SO0000000 6900000090 990000060 o QOTOQOQOL 8dOO0000QO 090000000 800000009 QOOQQOQOQO 900000090 000000060 000000060 DOSCOOSDOH 0090008900 006000800 009000800 O906006 0908009 0006006 09006006 00086 90069 Q0099 YOWES External protective earth PE terminal Bottom view Front view LCD Display Showing the inverter status Solar panel input DC Display information switch Operation LED Blue Working Mode Operation LED Red fault status AC connector Optional communication slo
6. SPH Grid PV inverter Installation and Operation Manual SPH MODELS INCLUDED IN THIS MANUAL 6 SPH15 1500W 6 SPH20 2000W 6 SPH3O 3000W 6 SPH40 4000W SPH50 5000W 6 SPH60 6000W ya Ct Ses Beit Y ENDLESS ENERGY SOLUTIONS N305 WeiYe Building Pioneer Park XiaMen China 361006 Tel 86 592 5781288 Fax 86 592 5782298 Website www clenergy com cn Page 1 of 26 Clenergy SPH Installation and Operation Manual Important Safety Information AN Warning Risk of Electric Shock Failure to comply with these warnings and instructions can result in damage to property risk of fire serious injury or death e Do not remove the covers The unit contains no user serviceable parts Hazardous voltage is present inside the unit from both DC and AC sources Hazardous voltage remains inside the unit even when disconnected e The photovoltaic PV array supplies hazardous voltage when exposed to light even at very low intensity Even ungrounded photovoltaic arrays present an electric shock hazard through ground capacitance e The unit is designed to supply power to the electric grid AC utility only It must not be connected to other AC electric generators or power supplies This may cause permanent damage to the unit and or AC power supply e The earth connection of the electric grid AC utility to the inverter should be firm and visible e Connection to the electric grid AC utility typically requires a permit or interconn
7. U 1 If the display panel button is untouched for over 5 seconds the display panel will return to Working Mode Page 15 of 26 Clenergy SPH Installation and Operation Manual 2 If the display panel button is pressed and held for over 5 seconds the display will Freeze Lock at the selected display screen 3 The display screen Freeze Lock is released when the display button is pressed again and held for over 5 seconds In Working Mode press the display button and hold for over 5 seconds to enter Settings Mode The display panel will then show Setting Each time the display button is pressed the setting changes to the next item Contrast setting gt Press button for over 5 seconds to enter Press button to select Contrast 1 to Contrast 5 Then press button for over 5 seconds LCD will show Setting Contrast setting is OK Language setting gt Press button over 5 seconds to enter Press button to select English or German Then press button for over 5 seconds LCD will show Setting Language setting is OK 4 If the display panel button is untouched for over 5 seconds the display panel will return to Working Mode Page 16 of 26 Clenergy SPH Installation and Operation Manual LCD Display Panel Setting LCD Normal Working Mode Yes O P WATT ves Yes Press Display button lt 5sec Press Display button gt 5Sec PV VOLT PVCUR GRID
8. Voltage maximum limit SOOVDC Abnormal Grid Impedance Inverter failure The readings of 2 microprocessors are not consistent It is probably Fault or a caused by CPU and or other circuit Mismatch l malfunction DC Bus High DC Bus Low PC BUS voltage too high or too low Device failure Device Fault The device is unable to return to normal status Temperature too high Over The internal temperature is higher Page 19 of 26 Master Slave CPU Consistency Consistent failure Clenergy SPH Installation and Operation Manual ae Description message Temperature than the permitted operating range Firmware Update Operating conditions Updating Master CU mare aster Rash Master CPO tough RSSA Updating Master CPU firmware Master Flash Master CPU through RS232 interface The internal program is updating interface Page 20 of 26 Clenergy SPH Installation and Operation Manual 5 Communication interfaces The SPH inverter is equipped with an RS232 and USB communication interface as standard A communication slot is also provided for advanced communications options The status of the inverter can be monitored via the communications interfaces using a PC with the monitoring software Solar control The software is free The software will be downloaded from www clenergy com au download php Download the SPH Monitoring Software V1 26 and install in your computer Installation and service
9. cm clear space above and below the unit This is to allow for proper air circulation and convection cooling 3 Mark the 4 mounting hole positions required using the mounting backplate as a template Mn Screw holes on wall 4pcs M4 Screw 4pes SPH15 SPH20 SPH30 SPH40 SPH50 SPH60 4 Select appropriate mounting hardware for the type of mounting surface and drill mounting holes of the appropriate size 5 Fix the mounting backplate to the mounting surface using the selected hardware at each of the 4 mounting holes 6 Fix four screws with spacer on the four corners of the mounting back plate 7 Hang the inverter unit onto the mounting back plate and press down Page 10 of 26 Clenergy SPH Installation and Operation Manual Screw for hanging the Inverter unit onto the Mounting backplate Wall WW WW WU WW ili 8 Attach the fix screws to the bottom sides of the unit to securely attach the inverter to the mounting plate 2 xX M3 x 16L Screw 9 Check the unit is securely mounted Try to lift up the inverter at the bottom to test that it is firmly attached If not adjust the mounting as necessary Page 11 of 26 Clenergy SPH Installation and Operation Manual Step2 Prepare the electric grid AC utility connection 1
10. ditions Display message Normal working status cain ee SET Standby INV Standby 90V lt Input voltage lt 100V PV input voltage range 100V to Initialization amp waiting INV Waiting 150V during start up Inverter is waiting for feeding to grid l When PV voltage gt 150V inverter is Ciera tesung checking grid conditions Normal operation MPPT Working Mode Inverter is supplying power to grid Monitoring parameters a grid output power in Watts eco wh supe energy which has been Accumulated energy information xxxxx KWh supplied to the grid since the inverter was installed Grid voltage Vor xy Grid rms voltage in Volts VOLT xxx xV Grid frequency e ete tid frequency in Hertz FREQ xx xHz O P Grid output current CUR xx xA Grid rms current in Amps PV PV panel voltage VOLT xXxx XV PV panel DC voltage in Volts System fault l I Earth fault of the PV panels or Isolation failure Isolation Fault failure of surge voltage protection GFCI Ground Fault Current Ground I Fault AEN ON E OENE E OANE aS Interrupter active too high Grd failure Grid Fault Grid measured data is beyond the specification voltage amp frequency impedance 1 Grid impedance higher than limit P 2 Grid impedance change is faster Fault ee than limit l a a 1 Inverter is not connected to grid No grid utility voltage No Utility 2 Grid voltage is not present g PV Over DC Input voltage is higher than the Pe put MONGGOH ign
11. ection agreement with the electricity provider Contact your electricity provider for more information e All local and national codes and regulations for installation wiring and inspection of electrical equipment must be complied with e Installation and troubleshooting of this unit must only be performed by properly trained electricians or installation technicians qualified to install or service PV inverters e Incorrect installation troubleshooting by unqualified persons or modification of the electrical wiring poses a safety risk to the installers home facility occupiers and other users operators of the electric grid AC utility Page 2 of 26 Clenergy SPH Installation and Operation Manual e Both AC and DC voltage sources are terminated inside this equipment The unit must not be opened until both AC and DC circuits have been individually disconnected for at least 3 hours Due to risk of electric shock from energy stored in capacitors e Please take out the unit from the packaging box carefully Check if there is any obvious damage Do not install the unit if it is damaged Please contact your local dealer for a replacement e The SPH inverter is the latest transformer less design Please check the requirements for your country regarding earthing regulations Page 3 of 26 Clenergy SPH Installation and Operation Manual Before you start Thank you for purchasing the SPH Grid PV Inverter This is a highly reliable produc
12. emble the AC output female socket e Connect AC wires to connection socket as indicated Female insert with coupling ring Pressing AC wire inserting direction e Strip the wire sheath and conductor insulators the minimum amount necessary to insert the wires into the connection pins e Insert Line wire to 1 Neutral wire to N and Ground wire to pin S e Fully tighten the wire clamp screws in each connection pin e Assemble the socket again Insert the whole socket into the inverter e Twist the coupling ring to receptacle on inverter Make sure it is perfectly matched and tightly fastened Do not connect the AC power at this time Step 3 Connect to the PV array DC 1 Make sure the maximum open circuit voltage Voc of each PV string is less than 550V UNDER ANY CONDITION for SPH15 SPH20 amp SPH40 and 600V for SPH50 amp SPH60 2 Ensure that the DC supply wires to the inverter are disconnected from the PV strings We recommend that a disconnect switch or optional Solar Concentrator with disconnect is fitted between the PV array and the inverter When making connections to the PV array outputs the PV panels must be completely covered with shade material and the outputs must be shorted together and to earth ground Always follow local and national codes and regulations for installation work on PV panels 3 Verify with a DC voltmeter that there is no voltage between the positive and Page 13 of 26 Cle
13. nd earth ground The impedance must be larger than 8MQ If the impedance is low a ground fault may exist in Isolation the PV array or wiring Contact your PV array service Fault provider or electrician 2 If above actions do not fix the problem the isolation detection circuit may be faulty Contact your inverter service representative 1 This is caused by too high ground current 2 Disconnect the inverter from the grid power Check the AC wiring and connectionsystem Ground I 3 After the cause is cleared reconnect the grid power Fault Check the status of the inverter 4 If above actions do not fix the problem the GFCI circuit No Utility System Impedance fault Fault may be faulty Contact your inverter service representative Page 23 of 26 Clenergy SPH Installation and Operation Manual Fault Display Possible actions 1 The internal temperature is higher than specified normal value 2 Reduce the ambient temperature by shading o ventilation improvements or move inverter to cooler place 3 If this is not effective a temperature sensor may be faulty Contact your inverter service representative Over Temperature 1 Check the PV open circuit voltage This should be less than 500VDC PV Over 2 Voltage If the PV voltage is much less than 500VDC e g lt 430V measure the DCV by multi meter compare the readings on meter and LCD If the readings differ by gt 5 contact your inverter service represe
14. nd outdoor usage For best performance and service life outdoor installations should be sheltered from direct exposure to rain and water e The unit can operate with an ambient temperature of 25 C to 55 C For best performance and service life the unit should be operated with an ambient temperature of O C to 40 C Above this temperature the power output may be reduced It is recommended to shade the unit from direct exposure to sunlight to prevent increased operating temperature e The electric grid must be 220V to 250V 50Hz or 60Hz single phase e Connection to electric grid must be approved by the electricity provider e The installation must be done by a certified electrician e The unit must be installed vertically in the orientation shown If 25cm Space I 25cm Space Page 9 of 26 Clenergy SPH Installation and Operation Manual Step1 Mount SPH inverter to the wall or other vertical surface 1 Select a solid wall or vertical surface to mount the unit The mounting Surface must have sufficient strength to carry the weight of the unit Given in the specification In areas of seismic activity additional support or restraint may be necessary It is recommended that the inverter is installed at a height that provides comfortable viewing and operation of the display and controls 2 There must be at least 25
15. nergy SPH Installation and Operation Manual negative DC wires and between each DC wire and earth ground 4 Attach MC Multi contact or Tyco solar type connectors to the PV array DC positive and negative wires Use red connectors for the positive DC wires and black connectors for the negative DC wires 5 Connect PV array DC positive wire s to the positive terminal s of the inverter Connect the PV array DC negative wire s to the negative terminal s of the inverter Each DC terminal on the SPH inverter is rated for a maximum of 20A DC current Ensure that the maximum short circuit current of each PV string does not exceed 20A DC SPH15 SPH20 amp SPH30 1 pair SPH40 SPH50 amp SPH60 3pairs When connecting the DC terminals ensure that the polarity is correct Incorrect connection may permanently damage the unit Step 4 Test the installation 1 Remove any protective short circuits applied to the PV array output 2 Remove any shade material from the PV panels and ensure that the PV array is illuminated by sunshine 3 Turn on the external DC switch if fitted 4 After connecting the Dc the message sequence on the LCD display should be INV Waiting No Utility and the RED fault LED keeps on 5 Fit any fuses removed from the AC supply Close the AC breaker or switch and apply AC power to the inverter 6 Verify that the inverter starts to work after a short delay This may take a few minutes to
16. nstallation or an internal fault of the SPH inverter If the inverter continues to show a fault message then you may perform the visual inspection and procedure ONLY If you are a qualified solar inverter Maintenance technician you may be able to perform other tests as below Do not remove the covers Warning Risk of Electric Shock Please follow the below instructions Visual Inspection 1 Check the staus of the Inverter to AC utility connection switch or MCB Off On 2 Check the status of the Inverter to Solar panel connection switch or MCB Off On 3 Check the status of the RED LED on the Inverter Off On 4 Check the status of the BLUE LED on the Inverter Off On 5 Check the error message on the LCD display on the Inverter 6 Check the samrtmeter been insatlled Failure Verification 1 Turn on the external DC switch 2 After connecting the DC Check the message sequence on the LCD display Should be INV Waiting No Utility andthe RED fault LED keeps on 3 Turn on AC switch or MCB to power on the inverter 4 Verify that the inverter starts to work after a short delay This may take a few minutes to verify that the electric grid is stable 5 If inverter works normally the LCD display panel will show Working mode and power is delivered to the electric grid Otherwise the LCD display an error Page 22 of 26 Clenergy SPH Installation and Operation Manual 6 The failure verification test is complete Some comm
17. ntative 1 This is caused by an inverter malfunction 2 Disconnect PV or PV from the input start the unit Device Fault again 3 If it does not work contact your inverter service representative 1 This is caused by inconsistent values between the main master and redundant slave controllers of the inverter 2 Disconnect PV or PV from the input start the unit again 3 If this does not work contact your inverter service representative Inverter failure Consistent or Mismatch Fault Page 24 of 26 Clenergy SPH Installation and Operation Manual 7 Specification Model SPH15 SPH20 SPH30 SPH40 SPH50 SPH60 Output Power Output Power PV Input Nominal DC 360 VDC voltage MPPT range 150 to 500VDC 150 to 600VDC oe 100 to 500VDC 100 to 600VDC Range Max PV Open circuit voltage 550V DC 600VDC Voc Max input current at 360V 7 5A DC 10A DC 15A DC 20A DC 25A DC 30A DC C Max input Max input 8 77ADC 11 57ADC 17 36ADC 20A DC 25A DC 30A DC moe pur 1755W 2315W 3470W 4580W 5205W 6250W power Grid Output 190VAC to 270VAC Operational voltage Operational frequency 47 53 Hz 57 63 Hz auto selection Current distortion lt 3 Power factor gt 0 99 The Maximum 0 2830 0 2830 Grid Impedance NA NA NA NA 0 240 j0 15QO 0 240 4 j0 150 Applicable cficleney max gt 94 A gt 93 Environment IP65 Operation 0 to 95 non conden
18. on fault messages and resolutions are explained below If the resolution procedure does not resolve the problem contact your equipment installer or supplier for assistance Actions shown in bold letters should only be performed by a qualified electrician or electrical technician Fault Display Possible actions No grid voltage Check the grid voltage by multi meter 2 Check grid connection such as wire and connector to the inverter 3 Check breaker between inverter and grid if it is tripped DO NOT CLOSE again get an electrician to check the wiring and inverter Wait for grid power to return to normal If the grid returns to normal the inverter will start again automatically within 5 minutes Check the grid voltage and frequency by Grid Fault multi meter Make sure grid voltage and frequency meet the specifications Contact your inverter service representative to discuss adjusting the operating range if permitted by the electricity provider 1 The grid impedance is higher than the permissible value 2 Wait for grid power to return to normal If the grid returns to normal inverter will start again automatically within 5 minutes 3 Check the wires between inverter and grid For high impedance Connections get an electrician to increase the wire size 4 Contact your inverter service representative to discuss adjusting The operating range if permitted by the electricity provider 1 Check the impedance between PV amp PV a
19. sing Convection Acoustic noise lt 40dB A weighted fe PC Communication amp features RS232 standard USB SNMP amp RS485 optional Yes via RS232 Technology Mechanical 362x312x131 362x312x131 14 14 The product s specifications are subject to change without notice Page 25 of 26 Clenergy China N305 WeiYe Building Pioneer Park Xiamen China 361006 Tel 86 592 5781288 Fax 86 592 5782298 www clenergy com cn Clenergy Europe including Italy France and Germany An der Welle 4 60322 Frankfurt Tel 49 69 7593 8499 Fax 49 69 7593 8200 www clenergy de de Clenergy Australia including the US and Pacific 18 20 Duerdin St Clayton VIC 3168 Tel 61 3 9017 6688 Fax 61 3 9017 6668 www clenergy com au Clenergy SPH Installation and Operation Manual Page 26 of 26
20. t SNMP and RS485 USB RS232 Display and connections Page 7 of 26 Clenergy SPH Installation and Operation Manual 2 PV installation system diagram SPH Inverter Utility PV Array LASS E wy ft Disconnect Switch Connection System e PV array Provides DC power to the SPH inverter A DC Disconnect Switch or optional Solar Concentrator is usually fitted between the PV array and the SPH inverter e SPH inverter Converts DC power from the PV array into AC power The AC Alternating Current power is supplied to the electric grid AC utility The SPH inverter uses Maximum Peak Power Tracking MPPT to optimize the PV array operation and deliver maximum power to the electric grid e Connection The interface between the SPH inverter and the System Grid usually consists of an electrical breaker or fuse and terminals for connection It may also contain a disconnect switch For proper safety this part must be designed by a qualified electrician or electrical installation technician e Utility The electricity supply from the main electric grid system must be single phase 220V to 250V 50Hz or 60Hz Page 8 of 26 Clenergy SPH Installation and Operation Manual 3 Installation Before starting installation please check the following items e This unit is suitable for indoor a
21. t due to innovative design and precise quality control When installed and operated correctly it will give many years of trouble free operation This manual contains important information for the safe and effective installation and operation of the SPH Grid PV Inverter Be sure to read this manual carefully before using the product If you encounter any problem during the installation or operation of the unit please check this manual first before contacting your local dealer or representative Most of the problems you may encounter can be solved by following the instructions inside the manual Please keep this manual in a safe place for later use Page 4 of 26 Clenergy SPH Installation and Operation Manual 1 SPH inverter overview and connections 1 1 SPH15 SPH20 amp SPH30 a External protective earth PE terminal w Front view Bottom view LCD Display Showing the Display information switch inverter status Operation LED Blue Working Mode Operation LED Red fault status AC connector ATES 4 a lt Sn ayy sJ N V USB a Solar panel input Optional communication DC slot SNMP and RS485 Display and connections Page 5 of
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