Motech 4600 User Manual
Contents
1. 310 22155 55 9 1 1 worse i Low Voltage of EN 50178 covered IEC 62103 AS NZS Regulation D AS NZS 3100 3100 e 2006 95 EC e E e VDE 0126 1 1 RD 1663 RD 661 i alali 5 4777 2 Network Monitoring DK 5940 Enel Connections Guide 2008 Section F AS 4777 3 m2. monitoring setting and below the Over voltage setting This function is available only in the tO pe i models of Germany type according to the 0126 1 1 Clause 4 2 3 1 4 Accessories o f y c 3l PVMate4600MS AU PVMate3800MS AU PVMate3300MS AU Operating Manual x1 a d e Connector x1 i 421 8 i 198 6 e 45 2 DC Connector Sealing Cap female x1 Connector Sealing Cap male x1 e Jumper for FLEX MPPTs see figure 4 2 1 x2 Auto Test CD ltaly model only x1 Fig 6 1 1 Outline Drawing 4600MS AU 3800MS AU 3300MS AU PVMate2500 AU Operating Manual x1 Connector x1 RJ 45 plug x2 Unauthorized returns will not accepted and will be returned at the shipper
3. T CL Fig 3 3 2 2 DC terminals for DC cable connection 2500 AU has string A only 23 LED Indication Table LED indicators Operating status Initialization The PVMate inverter is in initial mode System Check mode Monitoring mode Grid MPP mode The inverter is in System Check mode The inverter is in Monitoring mode The inverter is in Grid MPP mode Warning is detected The inverter has no AC connection or the AC source is out of range The inverter is in Fault mode Night Time Fig 3 3 2 4 PV terminal connection Ground fault detected CAUTION Polarities of each DC input voltage from a PV string shall be precisely correctly connected to the positive and The inverter is in Idle mode negative terminals of a pair respectively The DC voltage There is no DC power coming from PV array System is powered off H 1 1 X Tt Y e 1 Low Insolation 1 The inverter is in low insolation 2 Vac high N 2 Vac is higher than the voltage quality monitoring setting E N X X x N O O O N X H must be less than 500V in any condition O LED ON X LED ON OFF 0 1
4. Modern Technology for a Sustainable World MOTECH INDUSTRIES INC 6F No 248 Sec 3 Bei Shen Road Shen Keng District New Taipei City 22204 Taiwan Tel 886 2 26625093 886 2 26625194 Fax 886 2 26625097 E mail pyproducts motech com tw Web site www motech com tw MOTECH 2010 All rights reserved ZOMG 814ME 1B PVMate Grid Connected PV Inverter with FLEX MPPT Operating Manual Mero SOLCO i e rx 65 64 1 Table of Contents NTRODU O ON Pete Tr pp PS 1 1 1 GENERA Uo secrete teeta te ian dt case 1 1 2 SPEGIEICATIONS eet 3 1 3 ADJUSTABLE PARAMETER SETTINGS cscecececcececececcececececaecececes 5 1 4 ACCESSORIES 4 A 6 SAPE TW ee Les M 7 2 1 SAFETY PRECAUTIONS SAFETY NOTES eene 7 2 2 SAFETY SYMBOLES EF Due iis Fe fedus Qe 7 2 3 INTENDED USE de ace EET 8 2 4 GENERAL SAFETY 8 2 5 SAFE INSTALLATION AND OPERATION 2 sccececcececcececcececceceeeecess 9 2 6 REPAIR AND MAINTENANCE ceccccecececccececcecaccececcececeeceeaeeas 10 INSTALLATION eniti suos niue Leer pce 11 3 1 PIG NAB 11 3 2 perc E 12 3 3 WIRING THE INVERTER ccccceccececcececcececcecscccceccccecaucecaucecaua
5. 45 Pins and 5 27 RS 232 connection eei isses nnns 27 RS 485 connection eese iiis 28 Assembly of the waterproof 45 plug 28 Pin number of the Waterproof 45 plug 29 Parallel configuration of 30 Master Slave Mode Wirings 34 Front panel of the PVMate 36 PVMate inverter LCD display lay out 47 Outline Drawing 4600MS AU 3800MS AU 3300MS AU Outline Drawing 2500 AU Efficiency of the PVMate4600MS AU Efficiency of the PVMate3800MS AU Efficiency of the PVMate3300MS AU Efficiency of the PVMate2500 AU Temprature derating curve of the PVMate4600MS AU Temprature derating curve of the PVMate3800MS AU Temprature derating curve of the PVMate3300MS AU Temprature derating curve of the PVMate2500 AU 4600 5 exu O0Vdc ef 350 Vdc exe 400Vdc 50 55 Ambient C Fig 6 3 1 Temperature derating curve of the PVMate4600MS AU PVMATE3800MS 200 Vdc je 350Vdc e 400Vdc 50 33 60 Ambient C Fig 6 3 2 Temperature derating curve of the PVMate3800MS AU 61 will still automatically restrict the delivery output current to keep
6. 0 9 Sec MEME LED OFF Lt LED ON OFF 0 9 0 1 Sec The positive cable of the DC input voltage shall be connected to x DON T CARE X LED OFF 0 25 0 25 Sec the terminal labeled positive and the negative cable of the DC input voltage shall be connected to the terminal labeled negative 24 37 PVMate 4 amp 600MS AU FLEX MPPTs PV Inverter Operation Betrieb Failure Ausfall Ground Fault Grundstorung Fig 4 3 1 Front panel of the PVMate inverter 36 WARNING A Route the DC connection cables to the PVMate inverters away from any possible hazards that could damage the cables WARNING AN Hazardous voltage is still present on the device after disconnection of all PV DC inputs Allow 5 minutes for the inverter to discharge the energy completely 3 3 3 Connection of the Communication cable The PVMate inverter supports two common data interface standards RS 232 and RS 485 that will be used to communicate to the remote computer or terminal Only one of the communication interfaces can work at a time The default setting is shown in the Figure 3 3 3 1 O15 204 09 jJ 53 4 i 16 5232 EBEN 95485 2 n 0 207 203 NL wu Roads v dre d ae Terminal resistor for RS 485
7. label thereof is 1 Damaged by misuse accident negligence or failure to maintain the same as specified or required by MOTECH 51 Error Message Riso VdcbusH Internal COMM Watchdog Idc Test RCMA RCMA Test IR Test Offset Temp Sensor RAM Test System Error Version Error Delta Fac Delta Vac Delta Zac Delta If Delta Riso Delta Idc CalDataError CalDataLoss The insulation resistance between PV array and the ground is below the safe operating limit Internal DC bus voltage is over the upper limit Internal communication failed Internal watchdog function triggered The DC injection current measurement function failed The leakage current exceeded standard value The leakage current measurement function failed The insulation resistance measurement function failed Offset check for grid monitoring failed The internal temperature sensor failed Memory failed The system failed The firmware version is not correct Internal measurement comparison error or defective hardware Over current on the DC side Calibration data is out of range Calibration data is lost 50 3 Installation 3 1 Placement e PVMate inverters may be located indoors or outdoors according to protection class IP65 e Avoid mounting the inverter on a location where the inverter is directly exposed to rain or strong sunlight Leave at least 50 cm of free space above and below the invert
8. 229mm 180mm 0 0 0 2 eh ui Br o O us 3 5 Fig 3 2 2 Mount bracket 3 After drill the holes the mount bracket is then held against the wall and fastened on the wall with the anchors as shown in figure 3 2 3 14 Initial 4600MS AU 3 seconds SEQ Version X XX CUR Version X XX lt 3 seconds S N XXXXXXXXXXX ADDRESS XXX 3 seconds System Check Mode System Checking Monitoring Mode Mode Monitoring Mode Monitoring Insolation NextConnect XXXs m VpvA VpvB YpvC XXXV XXXV XXXV Vac XXX X V Fac XX X Hz seconds Grid MPP fode pe rating 1 Mode Message Gr id MPP VpvA VpvB VpvC XXXV XXXV XXXV WpvA WpvB XXXX XXXX XXXX XXXXXX X kWh XXXXX Hr 1 lt 2 seconds Fault Mode Mode Fault S N XXXXXXXXXXX SEQ Version X XX CUR Version X XX Mode Fault Error Message 3 seconds Idle Mode Mode idle S N XXXXXXXXXXX 3 seconds SEQ Version X XX CUR Version X XX 3 seoonds Mode Idle Error Message 3 seconds Fig 4 4 1 PVMa
9. Idle Mode The messages for the Idle mode are as follows It shows the operating mode serial number of the inverter software versions of the sequential SEQ and current CUR controllers and then the error messages which are listed in the Error Message Table on section 4 7 Mode Idle S N XXXXXXXXXXX SEQ Version CUR Version 45 Derating Derating Derating Warning Message There are three possible warning messages which could be shown when situations occur in grid feeding mode When the EEPROM message displayed the system has encountered a failure of access to the EEPROM If over current has been detected on one and or two DC input sources and or lovY OC message will be presented where X and Y could be string A B or C For the COMM message it represents a failure of the communication function It is possible these warnings could be happening simultaneously Warning EEPROM Warning COMM 44 5 After the inverter is hooked on the bracket it needs to fasten the inverter on the bracket with two side screws see figure 3 2 5 to prevent the inverter from pulling away from the bracket Fig 3 2 5 Fasten the inverter with two side screws 3 3 Wiring the inverter The following three sections describe the connections of wirin
10. 2 5 Fig 3 3 1 Fig 3 3 2 Fig 3 3 1 1 Fig 3 3 2 1 Fig 3 3 2 2 Fig 3 3 2 3 Fig 3 3 2 4 Fig 3 3 3 1 Fig 3 3 3 2 Fig 3 3 3 3 Fig 3 3 3 4 Fig 3 3 3 5 Fig 3 3 3 6 Fig 3 3 3 7 Fig 3 4 1 Fig 4 2 1 Fig 4 3 1 Fig 4 4 1 List of Figures Grid Connected Solar System 2 Clearances required for PVMate inverter installation 12 Remove side screws and 13 IOUT 14 Fasten the 15 Hooking inverter onto 16 Fasten the inverter with two side 17 Wiring compartment front 18 Wiring compartment bottom 19 Assembly of the AC cable and the AC connector 21 DC terminals for DC cable 23 DC terminals for DC cable 23 PV terminal connection secessit 24 PV 4 terminal 24 Communication default 25 Communication cable inside the 26
11. AS 4777 2 AS 4777 3 JUUU 4 2002 95 421 8 198 6 1 3 Adjustable Parameter Settings The PVMate inverters have currently four models to fulfill the market needs for the countries of Germany Italy Spain and Australia It can be distinguished by the model names described as follows Fig 6 1 2 Outline Drawing 2500 AU PVMate xxxxMS For Germany e PVMate xxxxMS IT For Italy e PVMate xxxxMS ES For Spain e PVMate xxxxMS AU For Australia PVMate xxxxMS PVMate xxxxMS IT PVMate xxxxMS ES PVMate xxxxMS AU Standard VDE0126 1 1 DK5940 RD1663 RD661 AS 4777 2 AS 4777 3 Over voltage VAC 260 0 262 0 253 0 265 0 overvatagectarngime oy 8 8 s e 0 _ 56 5 5 3 2 J 9 P MECANICA DOCUMENTAN Voltage quality monitoring time s 300 6 1 Outline Drawing 180 130 0 130 0 130 0 130 0 The period of time for the PVMate inverter to disconnect from the grid and enter the Monitoring mode after the detection of the AC voltage that is higher than the Voltage quality
12. De Rating Message There are five possible de rating displays which will be shown if power de rating is detected in Grid MPP mode Only one occasion that causes de rating can be detected at a time Therefore only one of the following messages will be displayed if power de rating occurs When the Temperature message 15 presented the power de rating is caused by the higher temperature The IpvB and or message shows that the power de rating is caused by restricting the DC input current to the maximum limit which is 10A per each PV string The lac and Pac messages illustrate the power de rating is caused due to restriction of the maximum output AC current and power The VacH message shows that the power de rating is caused by the high AC voltage Derating Mode Derating IpvA IpvB IpvC 43 Mode Grid MPP seconds Next messages are the up to minute data of the input output voltage and power First two messages are for the PV arrays and the other two messages are for the output VpvA VpvB and VpvC are the incoming voltages from PV array A B and C WpvA WpvB and WpvC are the incoming power of PV array A B and C in watts Vac Pac lac and Fac are the voltage power current and frequency that the inverter feeds to the grid VpvA VpvB VpvC XXXV XXXV XXXV 3 seconds WpvB WpvC XXXX XXXX 3 seconds 3 seconds 3 seconds 42 Communication String B ort AC Output St
13. JP202 Fig 3 3 3 1 Communication default setting As shown in the Figure 3 3 3 2 below there are two RJ 45 connectors RJ45 L and RJ45 R located on the bottom of the inverter and respectively connected to JP207 and JP203 through two communication 25 cables which are routed away from common mode choke within the enclosure The insulation voltage of the cables shall be more than 500 VDC AER SS n Ooper ration 3 mmm Oei f ES peur rr is J202 EI g iB PVIN2 ving o L1 re O D 7 H RJ45 L Fig 3 3 3 2 Communication cable inside the tube The pin numbers of the RJ 45L and RJ 45R connectors and the corresponding signals are described in the figure 3 3 3 3 b
14. Operational Features FLEX MPPTs Through the FLEX MPPTs Flexible Maximum Power Point Trackers feature the PVMate inverters may manage the PV strings in either the independent mode or the master slave mode or both The PVMate inverter is designed to support up to three independent PV strings If each PV string is exposed and obtains sun light enough to generate DC power and the DC voltages are different then it is preferable to select independent mode so that each PV string 15 tracked by its own If any two or all three PV strings may be able to get same intensity of the sunshine and generate the same DC voltage users can then through the internal jumper see figure 4 2 1 select the Master Slave mode such that any two PV or all three PV strings can be connected in parallel internally Through this feature users can obtain a more efficient way of utilizing the solar energy during reduced solar radiation periods As shown in the figure 4 2 1 if a jumper is placed between string A and B the PV string A and B will be connected in parallel internally If all three PV strings are required to be connected in parallel it needs two jumpers that shall be placed between A and B as well as B and C For the models of PVMate3800MS AU and PVMate3300MS AU there are only two 2 strings string A and C supported Two jumpers placed between A and as well as B and C are needed to put string A and C if parallel There are two jumpers which co
15. What Comes to Your Notice before Return In case the Product fails to function and requires a Factory Service after diagnosis the Product could be sent back using the proper shipping box and the packing materials A copy of the original purchase invoice is also required to be included in the package In addition here are some documents which be attached with the return Product Please provide as much detail as possible Model number and serial number shown on the label Fault message on the panel and how it reproduces Detailed descriptions before amp after the fault condition and the utility grid system connected Whether or not the unit has had persistent faults despite servicing or has a fault history How Our Factory Service Occurs 1 Replace the defective Product with a new unit if it is purchased within 90 days Replace the defective Product with a refurbished unit if it is purchased after 90 days NOTE All remaining warranty periods will remain effective for the replacement inverter or parts 53 2 Damaged by external hazard or force majeure such as lightning strikes storm and or fire 3 Damaged by modifications alterations or attachments thereto which are not authorized by MOTECH 4 Transported installed or operated contrary to this instructions of MOTECH 5 Opened altered modified or disassembled in any way without 5 consent 6 Used in combination with items articles or
16. automatically switch to RS 232 or RS 485 depending on the external communication interfaces without manual setting For the RS 485 interface it allows multiple inverters that can be connected to an external computer It allows only one inverter to be connected to an external computer if an RS 232 interface is used Please refer to the section 3 3 3 Connection of the Communication Cable for the detail pin descriptions for both RS 232 and RS 485 interfaces 46 Explanations of Error Messages In the event of a fault the inverter will stop feeding the AC voltage to the mains utility and display the error message on the LCD Qualified service personnel shall do the analysis measurement and debug if needed according to the error message in order to resume normal conditions It is recommended to screen out the fault condition s by referring to the table below and then rectify the fault condition s to put the inverter back into normal condition for continued feed of AC current to the grid network as normal Please contact Motech Industries Inc if the same error message is persistent Fig3 2 1 Remove side screws and bracket 48 13 2 Use the mount bracket Fig3 2 2 template to mark the locations where holes shall be drilled The holes shall be 50 mm depth into the wall with diameter of 8 mm 9969 310mm 485 956 2mm 36 0 0 0 0 0
17. information to prevent injury or death to users and or installers Earth ground symbol Caution refer to accompanying documents Presents information to prevent damage to this product 2 3 Intended Use PVMate inverters shall be installed according to the safety regulations applied for installations to meet the following qualifications Electrical installation must be carried out correctly to meet the applicable regulations and standards PV Mate inverters shall be mounted in an enclosed and well ventilated environment to against rain condensation moisture and dust PV Mate inverters shall be able to be permanently installed PVMate inverters shall be installed according to the instructions stated in this manual PVMate inverters shall operate according to technical specifications as stated in section 1 2 2 4 General Safety Precautions Personnel must remove all conductive jewelry or personal equipment prior to installation or service of the device parts connectors and or wiring Trained qualified personnel are required to mount operate correct and or repair this device 2 Isolation of the inverter from the external electrical environment under the guidance of a qualified MOTECH service representative Full declaration of the environmental conditions currently in place and historically preceding the failure including but not limited to the utility grid connection and PV generator array configuration
18. lifting tools whenever handling enclosure equipment or parts The inverter must be provided with an equipment grounding conductor connected to the AC ground 2 5 Safe Installation and Operation Installation of the device must be in accordance with the safety regulations Refer the certification lists of 1 2 Specifications and all other relevant national or local regulations Correct grounding and over current protection must be provided to ensure operational safety Read all instructions and cautionary marks in the manual before the installation of this device Switch off the circuit breakers before installation and wirings Never stand on a wet location when working on installation and wirings Check both of the AC and DC connections with a volt meter prior to any installation or removal procedures Enclose the outer covering sufficiently before switching on the AC and DC circuit breakers Place the inverter an environment with good ventilation and adequate protection against rain condensation moisture and dust e Even if no external voltage is applied the PVMate inverter can still contain high voltages and the risk of electrical shock Allow 5 minutes for the inverter to discharge completely after disconnecting the AC and DC sources from the inverter Temperature of the heat sinks outside of the device can reach over 70 in normal operation There is the risk of burn injury when these parts are touched Pay attention t
19. reduced solar irradiation The PVMate is designed to convert DC power produced by photovoltaic arrays to AC voltage that is then fed into the mains electricity grid network The PVMate family currently contains four 4 members which are PVMate4600MS AU PVMate3800MS AU PVMate3300MS AU and PVMate2500 AU An overview of the grid tied solar energy system with a three 3 string PV module configuration connected inverter is shown in figure 1 1 1 PVMate inverters comply with all VDEW German Electricity Association regulations for supplementary grid feeding to low voltage electricity grid networks 110V 270V Additionally PVMate inverters are also certified to comply with the latest regulations Refer the certification lists of 1 2 Specifications The PVMate inverter is designed to support up to three 3 PV strings depending on PVMate power rating and will operate automatically without any configuration once it is installed and commissioned according to the technical specifications When at least one of the DC input voltages generated by the photovoltaic module goes above the pre set threshold value setting and under the PV start voltage the embedded controller is then awakened to remain in System Check mode because the PV start voltage is not yet reached this time the PVMate inverter would not feed the AC power to the mains utility instead it keeps watching the input DC voltage Once the input DC voltage goes up above the PV start vo
20. the output power within the maximum power limit when the output voltage is too high Output AC current The maximum current that the PVMate inverter feeds to the grid is limited according to the specifications listed in Section 1 2 Even the output power does not reach the maximum power limit the PVMate inverter will still restrict the delivery output current within the maximum current limit when the output voltage is too low Output AC voltage When the inverter is connected to a grid system with longer or thinner wirings it s output voltage might be higher than the over voltage setting This will cause disconnection due to the voltage deviation instead of abnormal voltage happened in the grid PVMate inverter provides a setting of voltage quality monitoring which is less than the setting of over voltage Once the AC voltage reach the voltage quality monitoring setting PV Mate inverter will restrict the output current to keep the AC voltage stay equal to or less than the setting of AC over voltage so that the inverter instead of shut itself down keeps output power to the grid although it is not the maximum output power 60 1 Introduction 1 1 General The Motech Industries PVMate product family is series of grid connected photovoltaic inverters with FLEX MPPTs that is a method for multiple MPPT system implementation PVMate inverters utilize the FLEX MPPTs technology to efficiently absorb more energy from the PV panels during
21. the wall 1 First loosen the two 2 side screws and take the bracket apart from the inverter as shown in the figure 3 2 1 below 12 Error Message GridNA Drift Fac VacH FacH FacL VpvH Imax AC DeltaZ Zac InvTempMax COMM EEPROM RelayX X 1 4 FastEarthCurrent SlowEarthCurrent Error Message Table No AC voltage is detected on the grid side Islanding is detected The AC voltage of mains utility is over the upper limit The AC voltage of mains utility is under the lower limit The frequency of AC voltage of the utility is over the upper limit The frequency of AC voltage of the utility is under the lower limit The DC voltage of PV array is over the upper limit Over current on the AC side The rate of change of the AC grid impedance is higher than setting value The AC impedance of the grid is out of range The internal temperature of the inverter exceeded the safe operating limit External communication failed EEPROM failed Grid connection relay failed The drastic change of the leakage current has been detected The leakage current has exceeded a safe operating limit 49 4 5 Communication There are two types of communication methods RS232 and RS 485 supported in the PVMate inverters that may be connected to the external computer or terminal equipped with RS 232 and or RS 485 Only one type of the communication can be used at a time PVMate inverters will
22. N position The termination switch is default set to OFF position 27 morse j j worsen 9 S 6C 5232 1 RS485 HS232 1 RS485 RS2327 1 RS485 NO 185485 Terminal resistor Default Setting Default Setting Fig 3 3 3 5 RS 485 connection There are two waterproof RJ 45 plugs attached to the inverter The assembly of the plug is shown in the figure 3 3 3 6 and the pin numbers are shown in the figure 3 3 3 7 Fig 3 3 3 6 Assembly of the waterproof 45 plug 28 the system back into operation 42
23. P d m Pese ees p 7 Fig 4 2 1 Master Slave Mode Wirings Anti Islanding When an island condition is detected the inverter will stop feeding the power to the grid and or the load The island is defined as a grid tied inverter maintaining operation and feeding power to a load that has been isolated from the utility power source This refers to the automatic shutdown of the inverter when there is an electrical disturbance on or the shutdown of the utility grid This is a safety feature which is primarily 34 RJ45 L Pin 1 TXD RS 232 2 5 232 7 Datat RS 485 8 Data RS 485 RJ45 R Pin 1 Factory reserved 2 Factory reserved 3 Not used 3 5V 4 GND 4 GND 5 GND 5 GND 6 Not used 6 5V 7 Data RS 485 8 Data RS 485 Fig 3 3 3 3 RJ 45 Pins and Signals DB9 Female 089 Female Pin 2 Pin3 11 Ele Uo Pin 1 Pin Me Fig 3 3 3 4 RS 232 connection If the RS 485 interface is used as the external communication interface both RJ 45 connectors will be used for the cascaded RS 485 connections as shown in the figure 3 3 3 5 If the inverter is the last device within the RS 485 loop then the termination resistor switch shall be put to ON position shown in the figure 3 3 3 5 Users shall open the front lid of the wiring box to switch the termination resistor switch to O
24. XXXV 3 seconds 3 seconds After the system enters the Grid MPP mode it will show the following information in order and repeatedly until the system goes to other The first screen shows the current operation mode 41 LCD and the system will stay this step Low Insolation During the System Check if the grid is not connected to the inverter then the inverter enters Fault mode and following message will be shown on the LCD Monitoring Mode Once the System check is done the inverter goes into the Monitoring mode If all data needed for grid feeding is in the acceptable range the system will keep monitoring this data for a period of time The following information tells users that the system will go into the Grid MPP mode in XXX seconds and then show the measured data of the three DC input voltages and the existing voltage and frequency on the grid side Mode Monitoring NextConnect XXXs ss 3 seconds VpvA VpvB XXXV XXXV XXXV 3 seconds 40 S Ee eom LM E ME Ge Fig 3 3 1 1 Assembly of the AC cable and the AC connector CAUTION Ensure that the total impedance of the grid plus the interconnection AC power cable shall be less than 1 250 E The AC connector is suitable for cables with a cross section of up to 4 mm Connect the cable GND to the screw labeled of the connector Connect the cable N to the screw la
25. ayed SEQ Version CUR Version X XX 3 seconds S N XXXXXXXXXXX ADDRESS XXX 3 seconds System Check Mode After the basic information of the inverter is displayed the system enters the System Check mode that is then indicated on the LCD Mode System Checking During the System Check if the DC input voltage is not reaching the point of the PV start voltage setting then the following message will be shown 39 44 LCD display The PVMate inverter has a 16 character x 2 row LCD to show the operating status input output data and error messages As long as the DC input voltage is above the minimum MPP voltage the LCD keeps displaying information following the process flow illustrated in the figure 4 4 1 The process flow could be the regular procedure fault procedure and idle procedure The regular procedure 15 that the system goes from Initial System Check Monitoring and then Grid MPP mode without any fault condition detected The inverter is then expected to work in the regular procedure and feed the power to the grid During the System Check and Monitoring mode and a fault condition that could be cleared automatically is detected then the system will go into the fault procedure The system will return to regular procedure once the fault condition is cleared One obvious example is that an island condition is detected due to the grid failure and later the fault condition is cleared when th
26. beled N of the AC connector Connect the cable L to the screw labeled L of the AC connector 21 e Tighten screws with a torque of 0 9Nm WARNING IN Each connection to a PVMate inverter must be installed with a separate circuit breaker No other appliances may be connected to the circuit breaker e Reconfirm that all connections have been performed properly as described above and all screws are properly tightened e Plug the AC connector into the AC terminal to complete AC cable connection for the inverter 3 3 2 Connection of the DC cable There are four models of the PVMate inverters The PVMate4600MS AU is designed to support up to three 3 independent PV strings string A B and C while PVMate3800MS AU and PVMate3300MS AU are made to support up to two 2 PV strings string A and C the PVMate2500 AU only supports one 1 PV string string A Each PV string shall provide a DC input voltage with maximum power of 4500W and maximum current of 10A There are two 2 terminals labeled and per DC voltage input located on the bottom of the inverter used for the DC cable connections shown in figure 3 3 2 1 figure 3 3 2 4 22 below MOTECH PVMate 4600MS AU 3 seconds After 3 seconds software versions of two embedded CPU s Sequential SEQ and Current CUR controllers will be displayed on the LCD Afterward the serial number S N and the address for the communication port will be displ
27. e power is recovery If a fault occurs that does not clear on its own then the system will enter the idle procedure which needs service staff to clear the fault and reset the system These three procedures are illustrated in the figure 4 4 1 The following figures explain how the display works for the regular procedure Initial Mode When the DC input voltage rises above the pre set threshold value the PVMate inverter is powered up and will show the company name and model name PVMate4600MS AU in this example on the LCD as shown 38 B String C oc eee Se P d ARN Siring A String Fig 3 3 2 1 DC terminals for DC ca aes 3 S 4 3 m E w qup m E BH e Hp ble connection 4600MS AU has string A B C 3800MS AU 3300MS AU have stringA C J Siting
28. e3300MS AU Power Nominal Output Current PVMate2500 AU Maximum Output Current Output over current Eff 200Vdc protection 350 400 recommended Waveform True sine Power Factor gt 0 99 125 250 500 625 750 1000 1250 1500 1750 1875 2000 2250 2500 2800 Pac W THD lt 3 DC Component lt 0 5 Fig 6 2 4 Efficiency of the PVMate2500 AU Phase Sinise hace PV Side DC input Maximum DC 4500W per input port Power 58 3 MPP Voltage Range 100 450 V Maximum Input 500 VDC Voltage Maximum DC 10A per input port Current Maximum 96 3 96 3 96 3 96 3 Efficiency 350VDC 350VDC 350VDC 350VDC European 95 4 95 1 95 1 94 7 Efficiency 350VDC 350VDC 350VDC 350VDC 200 556 Communication RS232 and RS485 Certifications EMC EN 55022 Class B amp C Tick EN 61000 6 2 EN 61000 6 3 2004 108 EC EN 61000 3 11 EN 61000 3 12 61000 3 2 6 2 Efficiency Efficiency of the PVMate inverters PVMate4600MS AU Eff 200Vdc 350 te 400Vdc 230 460 920 1150 1380 1840 2300 2760 3220 3450 3680 4140 4600 5100 Pac W Fig 6 2 1 Efficiency of the PVMate4600MS AU PVMate3800MS AU Eff 200 E 350Vdc 400Vdc 950 1140 1520 1900 2280 2660 2850 3040 3420 3800 4400 Pac W Fig 6 2 2 Efficiency of the PVMate3800MS AU 57 61000 3 3 AS NZS 61000 3 3 AS NZS 61000 3 5
29. eeas 17 3 3 1 Connection of the AC cable eese 19 3 3 2 Connection of the DC 22 3 3 3 Connection of the Communication 25 3 4 WIRING INVERTER IN PARALLEL 2ccccececcececcececcececcececeececaeees 29 OPERATION 005252022026 31 4 1 COVERVIEUMLSS edv ESL ROC 31 4 2 OPERATION FEATURE xu tenta Eo 33 4 3 I EDANDICAFION esa eS ar Shui meat 35 44 EGRE CRIMES HEURE 38 4 5 COMMUNICATION ee 48 4 6 EXPLANATIONS OF ERROR 48 WARRANTY INFORMATION e nnn nnn nnn nnn 51 TECHNICAL DOCUMENTATION ene nnn nnn 55 6 1 OUTLINE DRAWING ze ioci oue veu doe uve rv vetu ie pa Raid 55 6 2 EE EICIENGO ice 57 6 3 DE RATING OPERATION ccececececececececccecececacauacuacacauauauaeaenenes 59 63 PVMATE3300MS 200Vdc 350 400Vdc 50 55 Ambient C Fig 6 3 3 Temperature derating curve of the PVMate3300MS AU PVMATE2500 Pac W 200 Vdc 350Vdc lt lt 400Vdc Ambient C Fig 6 3 4 Temperature derating curve of the PVMate2500 AU 62 Fig1 1 1 Fig3 1 1 Fig3 2 1 Fig 3 2 2 Fig 3 2 3 Fig 3 2 4 Fig 3
30. elow The RS 232 signal pins TXD and RXD are only on the RJ45 L Therefore only the RJ45 L can be used to connect to one remote PC or terminal when the RS 232 interface is used The cable with the part number of WABG 0918S which is 180 cm 70 9 inches in length is dedicated for the RS 232 communications between PVMate inverter and a computer wire connection between RJ45 and 5 232 is shown in the figure 3 3 3 4 26 meant to prevent staff who might be working on the grid wires from electrical shock Unit Power Factor The PVMate inverter intents to feed the power with unit power factor PF 1 to the utility during operation The inverter continues sensing the phase of the utility voltage and constructs the output current waveform in phase with the utility voltage Maximum Power Point Tracking In order to find the best efficient way of utilizing the solar energy PVMate inverters are designed to track and absorb the maximum power from the PV array The Maximum Power Point Tracking MPPT function is employed in the embedded control software to achieve this purpose 4 3 LED indication It may be required to display the operating status during operation There are three LED s on the front panel of the PVMate inverter PVMate4600MS AU in this example as shown in figure 4 3 1 used to indicate the operating status of the inverter The detailed explanations of the status and the corresponding LED indicators are described in
31. er for adequate ventilation see figure 3 1 1 e Mount the inverter on a wall that is firm enough to sustain the inverter able to sustain 30Kg in weight attached Avoid mounting the inverter on a location directly exposed to the sunshine to keep the ambient temperature of the inverter within 20 556 WARNING Some parts of the cooling surface can reach temperature over 70C Keep the flammable and explosive materials an appropriate distance away from the inverter WARNING Do not expose the inverter to the corrosive liquids and or gases e Humidity shall be within 0 and 95 Keep DC and AC wiring as short as possible to minimize power loss e Mount bracket should be fastened on a concrete or a masonry wall with the accessory anchors 11 ceiling ICM n e E DET IR e cm 90cm W en Je Fig3 1 1 Clearances required for PVMate inverter installation 3 2 Mount There are five main steps to mount the inverter on
32. gs for the AC DC and communication ports PVMate4600MS AU has three 3 pairs of DC connection terminals string A B and while PVMate3800MS AU and PVMate 3300MS AU have only two 2 pairs of DC connection terminals string A and C PVMate2500 AU has only one 1 pair of DC connection terminals string A All four models have two 2 17 45 connectors and 1 AC connection terminal the bottom of the inverter shown in the figure 3 3 1 and figure 3 3 2 DC connection terminals are used to connect to PV strings through circuit breakers that shall be placed close to the inverter RJ 45 connectors are used for external communication to a remote computer or terminal AC connection terminal is used to connect to the mains utility through a circuit breaker that shall be closed to the distribution panel Each pair of the DC connection terminals shall be connected to one PV string within the maximum rating listed in section 1 2 It is recommended to supply 350 VDC to each string although the MPP voltage range is within 100 and 450 VDC String A String B ina C Communication String Port AC Output plug Fig 3 3 1 Wiring compartment front view 18 The next message shows the cumulated energy in kWh and period of time in hours for the inverter delivering the power to the grid up to date since the inverter has been installed and operated XXXXXX X kWh H XXX Hr seconds gt Power
33. he mains after all necessary conditions are checked and fulfilled The inverter goes into monitoring mode from the Grid MPPT mode if the DC input voltage is under the minimum MPP voltage but above the pre set threshold value Once the DC input voltage falls below the pre set threshold value the inverter will shut down itself There are five main operating modes described in detail below System Check When the DC input voltage goes above the PV start voltage the inverter is powered up and enters the System Check mode In this operating mode the inverter sets the initial values runs diagnostics and detects all parameters that will be stored for future use This stage takes only a few seconds Monitoring After System Check is done the inverter enters the monitoring mode In this operating mode the inverter monitors all parameters on both AC and DC sides in order to insure that connecting to the mains is safe All conditions must be fulfilled and last for a certain period of time then the system will enter the Grid MPPT mode lt takes reconnect delay to complete the monitoring 31
34. ill reduce the output power until the temperature drops under the critical value The PVMate inverter will shut down the power output to the grid if the temperature reaches 80 If this occasion happens often it needs to check whether the inverter is mounted at an appropriate place with good ventilation and not exposed to direct sunlight all temperature derating curves are illustrated in the figure 6 3 1 figure 6 3 4 Input DC current When any input current from the PV strings is about to exceed 10A the PV Mate inverter will restrict it to the operating limit which is 10A per string in order to prevent damages to the inverter If this occasion happens frequently it needs to check whether the PV arrays are configured properly to supply the DC current within the maximum limit which is 10A to the inverter Output AC power The maximum power that the PVMate inverter feeds to the grid is limited according to the specifications listed in Section 1 2 Even the output current does not reach the maximum current limit the PVMate inverter 59 1 2 Specifications PVMate3300MS AU Model Name PVMate4600MS AU PVMate3800MS AU PVMate3300MS AU PVMate2500 AU Grid Side AC output Grid Voltage 230 VAC Nominal Eff ES 200 H 350Vdc Grid Frequency 400 Nominal Nominal Output 165 330 660 825 990 1320 1650 1980 2310 2475 2640 2970 3300 3800 Power Pac W Maximum Output Fig 6 2 3 Efficiency of the PVMat
35. ll then stop feeding power to the grid for safety reasons Often this is a failure that cannot be rectified in field can require service personnel intervening to rectify the problems and put 32 P1 P8 Fig 3 3 3 7 Pin number of the Waterproof RJ 45 plug 3 4 Wiring inverter in parallel PVMate inverters can be connected in parallel when more power is required In the parallel configuration each inverter shall connect to its own PV array lt is not recommended to connect one PV array to more than one inverter This may cause the inverter to work abnormally The figure 3 4 1 below shows the connections between inverters and PV arrays in parallel configuration 29 EM ER AS 7 215 Mss gann fut J n Correct ims AC _ L7 d Grid jag d 1l ian iam gan Grid 9 B E 2 Breaker Incorrect CB 6 Breaker Fig 3 4 1 Parallel configuration of inverter 30 4 Operation 41 Overview The PVMate inverter shall operate automatically provided correct PV array and grid connection Once the solar radiation is strong enough to make the PV array generate DC input voltage that goes up and over the pre set threshold value the inverter turns itself on and feeds power into t
36. ltage and all other conditions necessary for grid connection are checked and fulfilled for a certain period of time the PVMate inverter goes into the Grid MPP mode that turns the AC relays on and begins feeding the AC power into the grid steadily When all of the input DC voltages fall below the minimum MPP voltage setting which is 100 VDC the PVMate inverter will then shut itself down The PVMate inverter will return to operation automatically when one or more of the input DC voltages go up above the PV start voltage setting lt is very much appreciated that you have chosen Motech PVMate inverters as your power conversion device of choice for implementation of a solar power system This document contains the information you need for the installation and settings of the PVMate inverters Therefore it is strongly recommended to read this manual carefully before the PVMate inverter installations and setup Utility Grid Iii lA String A Fuse Box String EFEE SENE gt PVMate Inverter Photovoltaic Array Fig1 1 1 Grid Connected Solar System Overview 6 3 De rating Operation The factors that the PVMate inverter will take into account resulting in output regulation and or restrict the input power to ensure the system is in a safe operation are described in detail below Temperature The PVMate inverter will monitor the temperature on the heatsink Once the temperature exceeds 72 the system w
37. materials not authorized by MOTECH MOTECH reserves the rights to determine whether the problem exists within the Product The Buyer may not assert any claim that the Products are not in conformity with any warranty until the Buyer has made all payments to MOTECH provided for in the Purchase Order Agreement Contact Solco for further warranty information or see the Solco website for further updates Product Return Procedure On site Inspection amp Repair Product requires warranty service contact your merchant or directly After your application is received the service will be implemented by our qualified technician in the installation field or in a designated MOTECH service centre Problem isolation processes include 1 Qualified service technician site with digital measurement equipments including but not limited to digital voltmeter and current clamp meter 52 Licensed electrician is required to install permanently wired equipment Stand on an insulated surface when working on the operating device i e ensure that there is no grounding Instructions in this manual must be precisely followed and all information on cautions or warnings must be adhered to The list does not contain all measures pertinent to the safe operation of the device If special problems arise which are not described in sufficient detail for the purposes of the buyer contact your specialized dealer or technician Use proper
38. me with the inverter For the PVMate2500 AU model there is only one 1 string string A and therefore no need to put any jumpers in place If these jumpers are lost use the copper wire with 33 Grid MPP Fault Idle mode If any parameter except the DC input voltage that is under the threshold value does not meet the criteria the inverter goes to Fault mode After the monitoring mode the PVMate inverter confirms that all conditions necessary for feeding the power into the mains utility are fulfilled The inverter will turn on the AC relays and start feeding the AC power into the mains In this operating mode the inverter continues to convert the DC power generated by the PV array to the AC power that is then fed into the grid The inverter may stop feeding the power and go back to monitoring mode once any condition for grid feeding mode is found not fulfilled When fault s occurs and been detected in the operating mode described above the inverter will terminate the present state stop feeding power to the grid and then jump into the Fault mode that executes preset sequence When the faults have been cleared for certain period of time the inverter will leave Fault mode and enter System Check mode Some faults like component failure will cause the inverter go into the Idle mode that will need service staff to rectify the fault Once the inverter enters operating mode and has detected a malfunction it wi
39. o high temperature components and sharp edges e Allow changes in your electrical system to be carried out only by qualified electricians 2 6 Repair and Maintenance The PVMate inverter contains no user serviceable parts Only MOTECH trained service staff are authorized to carry out for repairs and maintenance of the unit Please return the device for repair and maintenance 10 5 Warranty information Warranty Period A period of 5 years is warranted from the date of your purchase of the PVMate series Products Warranty Terms MOTECH INDUSTRIES INC hereby provides this written Limited Warranty covering the Products with the models PVMate4600MS AU PVMate3800MS AU PVMate3300MS AU and PVMate2500 AU and if the Buyer discovers and notifies MOTECH in writing of any defect in material or workmanship within the applicable warranty period stated above then MOTECH may at its option repair or replace the Product or issue a credit note for the defective Product or provide the Buyer with replacement parts for the Product The Buyer will at its expense return the defective Product or parts thereof to MOTECH in accordance with the return procedure specified below MOTECH will at its expense deliver the repaired or replaced Product or parts to the Buyer Exclusion of Liability Any warranty of MOTECH will not apply if the Buyer is in default under the Purchase Order Agreement or where the Product any part or its original
40. ring A String 2 Fig 3 3 2 Wiring compartment bottom view WARNING A All electrical work shall be done in accordance with the local and national electrical codes and should follow the important safety instructions in this manual WARNING AN Make sure that you use suitable connecting cables for both the AC and DC wirings The cable must be adequately dimensioned and suitably inert to temperature fluctuation UV radiation and other possible hazards 3 3 1 Connection of the AC cable e Open the Fuse Box and switch off the circuit breaker used to connect the inverter to the grid 19 WARNING A Reconfirm that the circuit breaker to the main utility is switched OFF before connect the power cable from the breaker to the AC connector e Use the AC connector that was included in the shipping package to connect the AC power cable as illustrated in the figure 3 3 1 1 below 20 Grid MPP Mode operating mode seconds During the Monitoring mode if DC input voltages fall under the PV start voltage setting the system stays in this mode and shows the information as follows The system will still keep measuring the parameters of both DC and AC and display on the LCD Mode Monitoring Low Insolation seconds VpvA VpvB XXXV
41. s expense All component replacement and its service labor costs are covered by the warranty in effect Once the warranty expires a Product found upon inspection by MOTECH to be in specification is subject to an evaluation fee and applicable freight charges if any 54 2 Safety 2 1 Safety Precautions Safety Notes Only trained qualified electrical personnel are allowed to perform the electrical installation wiring opening repair and or modification of PVMate inverters Even when no external voltage is present the PVMate inverters can still contain high voltages and present a risk of electrical shock The temperature of the heat sinks outside of the device can reach over 70 in normal operation There is the risk of burn injury when these parts are touched The following general safety precautions must be observed during all phases of operation service installation modification and repair of this device Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the device The manufacturer assumes no liability for the customer s failure to comply with these requirements 2 2 Safety Symbols To reduce the risk of injury and to ensure the continued safe operation of this product the following safety instructions and warnings are marked in this manual gt e Warning risk of electric shock Presents safety
42. te inverter LCD display lay out 47 Mode error Idle message 46 60 c A 3 P 80 150cm The height of the anchor head lt 8mm Fig 3 2 3 Fasten the mount bracket 15 4 Once the mount bracket is fastened the inverter may lifted up and hooked onto the bracket as shown in figure 3 2 4 y N VC CS CC CD E EM ZAM VU wf Ll KZ CS ES CO Fig 3 2 4 Hooking inverter onto the bracket 16 Fault Mode The messages for the fault procedure are as follows It shows the fault mode serial number of the inverter software versions of the sequential SEQ and current CUR controllers and then the error messages which are listed in the Error Message Table on section 4 7 Mode Fault S N XXXXXXXXXXX SEQ Version X XX CUR Version X XX Mode Fault error message
43. the following table 35 cross section of 2 5mm to connect the string A and as and C MOT PU fee M m BEEN O Ground Fault FIES MPPTs PV Inverter a luc TA a BR undc d jumper X en b n DCIN2 bena Cim N E E 1 string XA L pursing V OSI string B PVI 2 PV2 a 2 BE string A PVIN2 240 PVINI aO l 2 22
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