Home

User`s Manual

1. Sen a Se ee ao fl Beni oo _ BH H sbs Ee A II 1505 L A 7A i N GA J 8 D Ky I 2 UNE2 XY ii N SIS SS ne od I ie en i Ma N UNGROUNDED e CONDUCTOR DUCTOR N e WY lid es E 3 DC wirings to AC wirings to be connected be connected Fig 5 4 3 2 5 Connect the AC and DC wirings to their correct terminals individually Fig 5 4 3 2 6 Put back the cover of the wiring box 101 Fig 5 4 3 2 7 Fasten the screws of cover ofthe wiring box then Turn off all DC AC disconnect switch and breakers Remove the front cover of the wiring box by following the steps described in section 2 3 Remove the cover plate used to cover the through holes of the wires and put it back to its original place as shown in the figure 5 4 3 2 1 Hung the inverter on the mounting bracket as shown in the figure 5 4 3 2 2 Fasten the screws with a torque of 1 7Nm 15 6 in Ib bonding at the sides of the inverter as shown in the figure 5 4 3 2 3 Fasten the nuts with a torque of 5 88 Nm 51 96 in Ib
2. CIN_N DCIN DCIN s i J113 119 R a eo LS a r Cooke p o Fe JHH N O e D ca o ama ooo oo T o 2 Ae 2 UNE OOOO peoe 2094406 10O SVJ GSS o UNGROUNDED GROUNDED o L 2 nm a COO fe gt lt gt C D o Red DC wire Terminal labeled D of disconnect switch OFOs 4505 amp oO g SAS88 Q ISS Black DC wire UNGROUNDED GROUNDED CONDUCTOR CONDUCTOR Connect to PV S J505 Connect to PV Fig 2 3 2 1 1 Ground Terminal labeled C of J505 DC terminal blocks for DC cable connection in Negative 33 CAUTION AN Identify the different polarity of DC voltage on each PV string and connect respectively to the input terminals marked UNGROUNDED CONDUCTOR and GROUNDED CONDUCTOR Make sure the DC voltage that PV arrays generate is equal or less than 600 VDC in any case The cable of the DC input voltage shall be connected to the terminal labeled UNGROUNDED CONDUCTOR and the cable of the DC input voltage shall be connected to the terminal labeled GROUNDED CONDUCTOR Avoid using wire nuts to join any wires together or to make any connections anywhere in the PV system Wire nuts are a frequent cause of unreliable connections resistive connections and ground faults Connect the equipment ground cable to the screw of the ground ba
3. Loosen the screws Fig 2 3 2 16 Fig 2 3 3 Remove the cover of the wiring box After the cover is removed it is then possible to remove the covers of the nock out holes as shown in the figure 2 3 4 for the DC and AC cables feeding through the threaded conduit holes when wiring the inverter lt a A Fig 2 3 4 Removal of the covers for the cable through holes 17 The following three sections describe the wiring for the AC DC and communication ports The wiring shall be done in the wiring box for the PVMate 6500U PVMate 7500U There are DC terminal blocks two 2 RJ 45 connectors and one 1 AC terminal block in the wiring box as shown in the figure 2 3 5 The DC terminal blocks are used to connect up to five 5 PV strings in parallel in the wiring box The RJ 45 connectors are used for external communication to a remote computer or terminal The AC terminal block is used to connect to the utility grid through a circuit breaker and distribution panel according to national and local requirements PV String Fuse AC Terminal Blocks GFDI Fuse Ground Bar e DC Terminal y ne a 1
4. 1505 D ana eee oS OfO SS ee 02 08 0610 O1 2 O ss amp ey 2 UNGROUNDED SPONDEO o CONDUCTOR CONDUCTOR E el u en Connect the AC black wire to the J506 terminal labeled BLACK FOR gt 277V of J506 AI Os SS g i FV N a z 5 o UNE2 N wire connected to N O61 oO 2 o Oo L1 wire connected to LINE 1 terminal Equipment ground wire connected to Le ground bar Fig 2 3 1 2 AC Terminal Block for AC cable connections with 277V 27 by WARNING Reconfirm that the circuit breaker to the main utility is switched OFF before connect the power cable from the breaker to the AC terminal block AN WARNING All electrical installation and the wiring methods shall be done in accordance with the local electrical regulations and should follow the National Electrical Code NEC ANSI NFPA 70 N WARNING The lengths of wire cause voltage drop The voltage drop within 1 5 of nominal AC voltage is accepted The voltage drop more than 1 5 of nominal AC voltage or and other considerations may dictate that larger size wires should be used 2 WARNING Each inverter must be connected to a dedicated circuit breaker or fusible disconnecting means See NEC Sec 705 12 D 1 The sum of the ampere ratings of overcurrent devices in circuits supplying power to a busbar or conductor shall not exceed 120 percent of the rating of the busbar or conductor See NEC Sec 705 12 D 2 2 WARNING According to the
5. 240 INVERTER L1 L2 Bir N L2 GRID L1 L2 oe jg Jumper 240V without Neutral 208 INVERTER L1 L2 L1 YY L2 GRID L1 L2 ae oa Jumper 208V without Neutral Q y oO P D R INVERTER L1 N GRID R N S N or T N gt Jumper 277V with Neutral gf em _ Neutral N 23 2 3 1 1 Connection for AC 208 240V Utility Default 1 Connect the AC black wire from the inverter to the terminal labeled BLACK FOR 208V 240V of the disconnect switch 2 Connect the cable L1 to the terminal labeled Line1 of the AC terminal block 3 Connect the cable L2 to the terminal labeled Line2 of the AC terminal block 4 Connect the cable N to the terminal labeled N of the AC terminal block 5 Tighten the screws with a torque of 1 7Nm 15 6 in Ib 6 Reconfirm that all connections have been performed properly as described above and all screws are properly tightened 24 DCIN e iS 5 Le e o 0 SS PEHEE oro osoTo gg amp C 3505 N gt ct z eee es o O E b G
6. UNGROUNDED Groupe DUCTOR J504 2 Terminal labeled D Red DC wire Connect to PV Connect to PV Terminal labeled C of J505 Fig 2 3 2 4 1 DC terminal blocks for DC cable connection in Positive Ground array without internal DC Fuses 41 CAUTION IN The Positive Polarities of the DC input voltage from a PV string shall be correctly connected to the GROUNDED CONDUCTOR terminal and the Negative Polarity of the DC input voltage from a PV string shall be connected to the UNGROUNDED CONDUCTOR WITHOUT STRING FUSES terminal Make sure the DC voltage that PV arrays generate is equal or less than 600 VDC in any case CAUTION AN Even though the internal DC fuses are not used hazardous voltage is still present on the fuse holders The fuse puller must be placed on the fuse holder to prevent the risk of electrical shock CAUTION AN The terminal labeled UNGROUNDED CONDUCTOR is not used when the internal DC fuses are not used all wires connected to this terminal must be removed The cable of the DC input voltage shall be connected to the terminal labeled GROUNDED CONDUCTOR and the cable of the DC input voltage shall be connected to the terminal labeled
7. Connect to PV J UNGROUNDED KC CONDUCTOR une Connect to PV Sy _ Terminal labeled C aa of J505 Fig 2 3 2 2 1 DC terminal blocks for DC cable connection in Positive Ground 35 CAUTION AN The Positive Polarities of the DC input voltage from a PV string shall be correctly connected to the GROUNDED CONDUCTOR terminal and the Negative Polarity of the DC input voltage from a PV string shall be connected to the UNGROUNDED CONDUCTOR terminal Make sure the DC voltage that PV arrays generate is equal or less than 600 VDC in any case The cable of the DC input voltage shall be connected to the terminal labeled GROUNDED CONDUCTOR and the cable of the DC input voltage shall be connected to the terminal labeled UNGROUNDED CONDUCTOR Avoid using wire nuts to join any wires together or to make any connections anywhere in the PV system Wire nuts are a frequent cause of unreliable connections resistive connections and ground faults Connect the equipment ground cable to the screw of the ground bar labeled amp Tighten the screws with a torque of 1 7Nm 15 6 in Ib 36 2 3 2 3 Connection of the DC wires for Negative Ground Arrays without Internal DC Fuses PVMate inverter provides a way of PV arrays connections without internal DC fuses for negative ground when external DC fuses are used In this case the positive polarity of the DC input voltage from the PV str
8. Back side of the inverter Mounting bracket gt Er Mounting flanges Mounting slots for securing the inverter Mounting flanges Fig 2 2 1 Removal of the bracket from the inverter 10 Use the bracket figure 2 2 2 as a template to mark the location of the holes to be drilled in the wall After drilling the holes the mounting bracket is then held against the wall and fastened to the wall with anchors as shown in figure 2 2 3 gt _ 25 0 7 9 9 18 0 7 0 oe 12 5 4 9 ee 7 0 4 2 76 _ un Se aa eb IH lt S el 3 bo amp 1 a al at b sobd T j q D a Ty d BoA BG N _ 04 unit cm Fig 2 2 2 Inverter mounting bracket 11 rl een m 61 8 D A u 60 23 62 SA j B1181 STE oe E 100 39 37 170 66 93 Ru unit cm inch The height of the anchor head lt 8mm 0 3 14in IST St ss ee Cree Fig 2 2 3 Fasten the mounting bracket 12 Once the mounting bracket is fastened to the wall the inverter can be mounted and fastened on the mounting bracket Hook the inverter on the mounting bracket flanges and slide down carefully to lock it in place Install the scr
9. 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 WARNING PV arrays will be energized when exposed to light Cover the arrays with opaque dark materials during installation and wiring 1 1 1 2 1 3 2 1 2 2 2 3 3 1 3 2 3 3 3 4 2 3 1 2 3 1 1 2 3 1 2 2 3 2 2 3 2 1 2 3 2 2 2 3 2 3 2 3 2 4 2 3 3 2 4 Contents INTRODUCTION ninne ren 1 GENERAL A 3 Heine en ai aria s 1 SPECIFICATIONS an eects sseautleassi EEE APAT EENE ROTE TE T TS 3 ACCESSORIES SS such 2 es nn Blink E VE EEE A 6 INSTALLATION iis cccccsossscesisscstecwosssesssescecosnssdsessceacecbavesssteasebconssesssees 7 PLACEMENT igs Scot ecco diese das ei ea Aa a eaea coed ine ens A Reed doe eee 7 MOUNTING u en svecuntabonaceagendesbunccesdeunseddaulitene 9 WIRING THE INVERTER unse essen sc aE as 15 Connection Of the AC cable wuicicccecccccessssssccsccscessessecscessenssensaaeseseesseenes 21 Connection for AC 208 240V Utility Default c ccccscceesseersecenssees 24 Connection for AC 277V Utility ccccscssssscccsceesessecscesseessssseaseeseesseeaes 26 Connection Of the DC cable uicicccecccccessesssccsccssessessscscessesssessssssesseseeenes 29 Connection of the DC wires for Negative Ground Arrays 32 Connection of the DC wires for Positive Ground Arrays ccccccccceeeee 34 Connection of the DC wires for Nega
10. Top view ONOUP OD 7T Spring Pin Terminal 1 RXD RS232 Block O 2 TXD RS232 3 GND 4 TX A RS485 5 TX B RS485 Cc Cc J605 Fig 2 3 3 2 Pins and Signals As shown in the figure 2 3 3 2 the RS 232 signal pins TXD and RXD are only on the RJ45 L and spring terminal Therefore only the RJ45 L and the spring terminal can be used to connect to the remote PC or terminal when the RS 232 interface is selected The cable with the part number of WABG 0918S which is 180 cm 70 9 inches in length is dedicated for the communications between PVMate inverters PVMate 7500U PVMate 6500U and a computer Its wire connection between RJ45 and RS 232 is shown in the figure 2 3 3 3 If RS 485 45 interface is selected both RJ 45 connectors will be used for the cascaded RS 485 connections shown in the figure 2 3 3 4 DB9 Female RJ45 DB9 Female Pin 5 Pin 5 4 Pin _______ Pin3 p Pin Pin 2 H Fig 2 3 3 3 RS 232 connection MOTZ KOSH MoTsan Termination Termination Termination ON OFF OFF Fig 2 3 3 4 RS 485 connection 46 The communication ID value of RS 485 can be
11. 3 seconds Checksum XXXXXXX 3seconds S N XXXXXXXXXXX BRXXXXX IDX 3seconds And then three 3 seconds later it displays the setting of the nominal grid voltage configuration The grid type setting of 208 240 with neutral is used as the 55 display example shown below For the grid type setting please refer to section 2 3 Wiring the Inverter Grid Type L1 120V L2 120V 3 seconds If the grid type is set to 240 Vac without neutral then the display will be looked as the figure shown below Grid Type L1 L2 3 seconds And then three 3 seconds later LCD will show the voltage setting for the inverter to drop the grid connection Using the grid type of 208 240 with neutral as an example the LCD will display the setting of the VI nH that is the line to neutral rms high threshold voltage setting at which the inverter disconnects itself from the power grid when abnormally high line to neutral AC voltage is detected Also the setting of the clear time that is the total duration of time to disconnect the output from the AC grid is displayed The clear time is the summation of the de bounce time and the hardware delay time This delay is necessary to avoid nuisance trips After the settings of the VI nH and its clear time the settings of the VI nL and its clear time will be displayed for three 3 seconds VI nL is the line to neutral rms low threshold voltage setting at which the inverter disconne
12. There are several error messages that show the detailed conditions causing the system going into the fault mode Such as the messages shown below describe that the frequency on AC grid is too high H or too low L And after three 3 seconds the message shows the present frequency and the frequency that caused the system to go into fault mode X HorL 3seconds 3seconds The message below shows the AC voltage is too high H or too low L And then it displays the real AC voltage on the grid and voltage causing the system to go into fault mode X HorLl 3seconds 67 3seconds The message below shows the PV DC voltage is too high 3seconds The following message indicates that the AC line1 and or line2 voltage to neutral is are too high H or too low L Fault VacL2 X HorLl 3seconds 68 Idle Mode The messages for idle mode are as follows It shows the operating mode serial number of the inverter software versions of the sequential and current controllers and then the error messages which are listed in the Error Message Table on section 3 6 Mode Idle S N XXXXXXXXXXX 3seconds SEQ Version CUR Version 3seconds Idle message 3seconds 69 Initial Mode MOTECH PVMate 7500U lt 3 seconds v SEQ Version X XX CUR Version X XX lt 3 seconds Y Checksum XXXXXXX lt 3 seconds
13. HxWxD 840 x 550 x 355 mm 33 1 x 21 65 x 13 98 4 Interface Communication RS232 and RS485 Communication protocol Modbus LCD display Yes LED display Red Green Yellow Factory settings can be adjusted with the approval of the utility This unit is provided with adjustable trip limits and may be aggregated above 30kW on a single Point of Common Coupling Adjustable voltage Frequency and Reconnection Settings Setting Range Default Accuracy Over voltage 108 75 110 110 1 Under voltage 85 90 88 1 Over voltage Reconnect voltage 105 83 110 105 83 1 Under voltage Reconnect voltage 8591 67 91 67 1 Over frequency Hz 60 4 61 60 49 0 02 Under frequency Hz 57 59 8 59 31 0 02 Over voltage clearing time cycle 59 120 59 1 Under voltage clearing time cycle 119 300 119 1 Over frequency clearing time cycle 9 12 9 1 Under frequency clearing time cycle 9 18000 9 1 Setting Range Default Accuracy AC high voltage limit 100 110 109 1 Reconnect delay s 10 600 20 0 01 PV start voltage VDC 200 600 260 2 The default values are within the Range B of ANSI C84 1 Once a grid failure the PVMate inverter waits 300 seconds before the next connection to the grid Measurement precision Resolution Range Accuracy Display Measurement Input volta
14. Yellow Red Initialization The PVMate inverter is in initialization Green Yellow Red System Check mode The inverter is in System Check mode Green Yellow Red Monitor mode The inverter is in Monitoring mode Green Yellow Red Grid MPP mode The inverter is in Grid Feeding mode Green Yellow Red De rating Power de rating is performed Green Yellow Red Warning Warning is detected Green Yellow Red Low Insolation The inverter is in low insolation Green Yellow Red Fault mode The inverter is in Fault mode Green Yellow Red Ground Fault Ground fault detected Green Yellow Red Idle mode The inverter is in Idle mode Green Yellow Red jx COlOx ex Cejeae Kiem x ee x ie ee oje ee ce e dIa Night Time There is no DC power coming from PV array System is powered off O LED ON 3X LED ON OFF 0 9 0 1 Sec LED OFF x DON T CARE X LED ON OFF 0 1 0 9Sec LED ON OFF 0 25 0 25 Sec 53 3 4 LCD Display The PVMate inverter has a 2 x 16 LCD to show the operating status input output data and error messages As long as the DC input voltage is above the pre set threshold value the LCD will display the information following the process flow illustrated in the figure 3 4 1 The process flow could be the regular procedure fault procedure or idle procedure The regular procedure is th
15. s 530 s 6 65 70 75 80 8 99 98 Ambient Temp C Fig 5 3 3 Temperature derating curve of the PVMate 6500U 277V 85 8000 7000 6000 Vde 500V Vac 208V Vde 375V Vac 208V Vde 250V Vac 208V 45 50 55 60 65 70 75 80 85 30 95 Ambient Temp T Fig 5 3 4 Temperature derating curve of the PVMate 7500U 208V Vdc 500V Vac 240V Vdc 375V Vac 240V Vde 250V Vac 240V 45 50 55 60 65 70 75 80 Ambient Temp T ca En e oO wo A Fig 5 3 5 Temperature derating curve of the PVMate 7500U 240V 8000 7000 6000 5000 4000 Vde 500V Vac 277V Vdc 375V Vac 277V Vde 250V Vac 277V Power W 3000 2000 1000 Ambient Temp T Fig 5 3 6 Temperature derating curve of the PVMate 7500U 277V 5 4 Maintenance 5 4 1 Exchange of the GFDI Fuse As shown in the figure 5 4 1 1 turn the cap of the GFDI fuse holder counter anti clockwise to open the cap and replace the GFDI fuse Before replacing the fuse turn off the DC AC disconnect switch and the breakers and wait for at least 5 minutes for system to discharge 87 Po Qe oN ts Fig 5 4 1 1 Replacement of the GFDI fuse Turn OFF the DC AC disconnect switch and breakers Wait for at least 5 minutes Exchange the fuses Turn ON the DC AC disconnect switch and breakers WARNING For continued protection against risk of fire replace only with the
16. G S pereo 02 0610 nO 8 9 8 88 sn S UNGROUNDED GROUNDED o CONDUCTOR CONDUCTOR 5 Le P a E om C om Connect the AC black wire to the terminal labeled BLACK FOR 208V 240V of the disconnect switch O30 19 g 7 9 N a 2 er g lilie B O m 2 N wire connected to N terminal L2 wire connected to LINE 2 terminal L1 wire connected to LINE 1 terminal Equipment ground wire connected to ground bar Fig 2 3 1 1 AC Terminal Block for AC cable connections with 208 240V 25 2 3 1 2 Connection for AC 277V Utility 1 Connect the AC black wire to the terminal labeled BLACK FOR 277V of J506 2 Connect the cable L1 to the terminal labeled Line1 of the AC terminal block 3 Connect the cable N to the terminal labeled N of the AC terminal block 4 Tighten the screws with a torque of 1 7Nm 15 6 in Ib 5 Reconfirm that all connections have been performed properly as described above and all screws are properly tightened 26 DCIN es ATE APE
17. National Electrical Code ANSI NFPA 70 each connection to a PVMate inverter must be installed with a dedicated double pole circuit breaker in the main utility service panel The breaker must be sized to handle the rated maximum 28 output voltage and current of a PVMate Inverter Refer to Section 1 2 Specifications Output over current protection pages 3 6 No other appliances may be connected to the circuit breaker 2 3 2 Connection ofthe DC cable The wiring box of the PVMate inverter is designed to have three 3 DC terminal blocks which support up to five 5 independent PV strings to be connected in parallel in the wiring box and then feed into the inverter Please refer to the section 5 4 2 for the replacement of the PV string fuses CAUTION AN According to National Electrical Code NEC Article 690 9 overcurrent protection may be required depending on the type and ratings of PV module configured in your system The DC disconnect has to be with a minimum ratings of 600 V The PVMate inverter is shipped with five 5 15 A 600 V DC fuses one for each string At any case the fuses shall not be altered to a rating greater than 20 A also the 600V DC type fuse is must use Please refer to NEC 690 9 as to the fuse sizing CAUTION AN The maximum rating of fuse holder is 20 A 600 V DC CAUTION PVMate inverters are listed for no backfeed current However all other external source circuits and array wiring ampacity sh
18. OF Blocks RJ45 L RJ45 R Fig 2 3 5 Wiring box front view 18 A A A A A WARNING All electrical work shall be done in accordance with the local and national electrical codes and with the National Electrical Code NEC ANSI NFPA 70 and should follow the important safety instructions in this manual WARNING The National Electrical Code NEC states that the inverter must be connected to a dedicated circuit and that no other outlets or devices can be connected to the same circuit The NEC also imposes limitations on the size of the inverter and the manner in which it is connected to the utility gird WARNING 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 Use 10 AWG to 6 AWG 90 C 194 F copper wire for all AC and DC wiring connections to the PVMate inverter WARNING The maximum wire size that terminals in wiring box accept is 6 AWG Use only solid or stranded wire but not fine stranded wire WARNING PV arrays will be energized when exposed to light Cover the arrays with opaque dark material during installation and wiring 19 Before wiring the PVMate inverter it is necessary to determine the utility configuration that the inverter will be connected to The PVMate inverter i
19. Only one type ofthe communication can be used at a time 3 6 Explanations of Error Messages In the event of a fault the inverter will stop feeding the AC voltage to the utility grid 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 remove the fault condition s to return the inverter return to normal condition and continue to feed AC voltage to the utility Please contact Motech Industries Inc or your service representative if the same error message is persistent 71 Error Message Table Error Message Description GridNA Drift Fac VacH VacL FacH FacL VpvH Imax_AC InvTempMax Relay Open Relay Close VacL1 H VacL1 L VacL2 H No AC voltage is detected on the grid side Islanding is detected The AC voltage of utility grid is over the upper limit The AC voltage of utility grid 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 internal temperature of the inverter exceeded the safe operating limit Relay test failed The voltage bet
20. XXXXX D XXX lt 3 seconds VpvStart XXX XV Reconnect XXXs lt 3 seconds ______y System Check Mode vy Low Insolation v Mode System Checking y Mode Monitoring Low Insolation y Mode Monitoring NextConnect XXXs A lt 3 seconds Vpv seconds 4 Monitoring Mode Vac Fac seconds Grid MPPT Mode v Mode Derating Mode XXX Grid MPP x fo Yy lt 3 seconds Vpv XXX V Wpv XXXX W 4 3 seconds Vac XXX X V Pac XXXX W yo seconds Fac d lac seconds Etoday Htoday seconds Eac XXX H seconds Warning XXXXXX Fig 3 4 1 lt 3 seconds Fault Mode Y Mode Fault S N XXXXXXXXXXXX seconds Y SEQ Version X CUR Version X XX YB seconds Mode Fault XXXXXX lt 3 seconds Idle Mode Y Mode Idle S N XXXXXXXXXXXX 3 seconds Y SEQ Version X CUR Version X v 3 seconds Mode XXXXXX e 3 seconds PVMate inverter LCD display lay out 70 3 5 Communication There are two types of communication methods RS232 and RS 485 supported in the PVMate inverters that may be connected to an external computer or terminal equipped with either RS 232 and or RS 485
21. is are cleared VpvStart XXX XV Reconnect XXXs 3 seconds System Check Mode After the basic information of the inverter is displayed the system enters the System Check mode which is then indicated on the LCD Mode System Checking During the system checking if the DC input voltage is not reaching the point of the PV start voltage setting then the following message will be shown on the LCD and the system will stay at this step Low Insolation During the system checking if the grid is not connected to the inverter then the following message will be shown on the LCD and the system will stay at this step 59 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 those data for a period of time The following information tells users that the system will go into the grid feeding mode in XXX seconds and then show the measured data of the DC input voltages and the existing voltage and frequency on the grid side Mode Monitoring NextConnect XXXs 3seconds Vpv XXX V 3seconds 3seconds 60 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 Mo
22. set by two ways The first way is to assign the address value 1 254 by switching switches on The second way is software setting In this way all of the switches are set to off 0 or on 255 and the ID value depends on EEPROM which can be changed by a software tool via communication port l lt S21 ON iim DS D001000000000000000009000 TEN 17 ADDADDADDDDDADOADONDDADNL NUN pee OFF 1 8 Fig 2 3 3 5 DIP Switch for RS485 Communication Address 77 Knock out Knock out RJ 45 Knock out Knock out Fig 2 3 3 6 Two 2 ways to connect the communication cables 47 2 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 It is not recommended to connect one PV array to more than one inverter This may cause the inverter to work abnormally The figure 2 4 1 below shows the connections between inverters and PV arrays in parallel configuration aope Z mas mas Breaker A tr rit BS A Mab Maas Breaker l it i r P Ac ae 4 ebo un m Breaker Grid 4 ea 2 Breaker y Fig 2 4 1 Parallel configuration of inverter 48 3 Operation 31 Overview The PVMate inverter will operate automatically Once the ins
23. 20 120 With Neutral N With Neutral 240 Delta SJ O j 277 WYE a 120 Stinger O 480 5 N a ae EEE EI ENGEL DENE ER oa aa ey EE eR a Fa ls NEE EER een AGENT SERIE ER OTN eee ES a A TOTT E E 240 i 208 P1 l P1 oo P2 P2 l 2 2 NY l i Without Neutral Without Neutral 240 Delta 208 Delta 1 ete ie Dio ce hee one we o Fig 2 3 7 Utility configurations 2 3 1 Connection of the AC cable Use the following procedure to wire the AC cables 1 Open the Distribution panel and switch off the circuit breaker used to connect the inverter to the grid 21 Sp ES Use 8 AWG to 6 AWG 90 C 194 F copper wire for all AC wiring connections to the PVMate inverter The maximum wire size that terminals in wiring box accept is 6 AWG Use only solid or stranded wire but not fine stranded wire Connect the cable GND to the screw of the ground bar labeled INVERTER L1 L2 N R L GRID R S N S T N or T R N 2 N A 3 Jumper 277V 240V 208V with Av A lt S OY Neutral Ss Neutral ES S T R INVERTER L1 L2 GRID R S S T or T R Jumper 208V without Neutral _ Pa Neutral X S INVERTER L1 L2 N YY YY YY OY PTE Jumper 277V 240V 208V with 240 Neutral L1 N L2 22 L1 N L2 240 Neutral 120 INVERTER L1 L2 N GRID L1 L2 N Jumper 277V 240V 208V with Neutral
24. 4 1 Fig 5 1 1 Fig 5 1 2 Fig 5 1 3 Remove the cover of the wiring box ueseenneenersnensnenseenneennnennennen 17 Removal of the covers for the cable through holes 17 Wiring box front VICW voc 2s sesiec s siivcete cesses coevcs vet 18 Utility configuration jumpers ucesseessersnesnnesnnesnensnensnennennnennnnnnennnen 20 Utility configurations ceserseesseesnessnesnnesnnesnnesensnensnensennnnnnnnnnennnenn 21 AC Terminal Block for AC cable connections with 208 240V 25 AC Terminal Block for AC cable connections with 277V nnenee 27 PV terminal connection zuesseesseessernnernnesnnesnensnensnennnnnnennsnnnnnnnnen 30 DC terminal blocks for DC cable connection in Negative Ground 3 aN Reale BR hes 33 DC terminal blocks for DC cable connection in Positive Ground 2 0 sheet iin a ess 35 DC terminal blocks for DC cable connection in Negative Ground array without internal DC Fuses ooeec 38 DC terminal blocks for DC cable connection in Positive Ground array without internal DC Fuses osooso 41 Positions of the communication ports and termination switch 44 Pins and Sign ls ua ne ieskninn ATAKE SNES 45 RS 232 connection n riei aiin na A axe Rete evened ts 46 RS 485 CONNECTION 2 nn anne Wee ease E E ES 46 DIP Switch for RS485 Communication Address 47 Two 2 ways to connect the communication cables 47 Parallel configuration of inverter csser 48 Front pa
25. 75 3 Damaged by modifications alterations or attachments thereto which are not authorized by MOTECH Transported installed or operated contrary to this instructions of MOTECH Opened altered modified or disassembled in any way without MOTECH s consent Used in combination with items articles or 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 Product Return Procedure On site Inspection amp Repair If a Product requires warranty service contact your merchant or MOTECH directly After your application is received the service will be implemented by our qualified technician in the installation field Problem isolation processes include 1 3 Qualified service technician on site with digital measurement equipments including but not limited to digital voltmeter and current clamp meter 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 76 What Comes to Your No
26. Calibration data is out of range Calibration data is lost Internal converter over current DC DC hardware failed GFDI detect hardware is failure Module temperature high 74 4 Warranty information Warranty Period A period of 10 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 PVMate 6500U PG PVMate 7500U PG 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 label thereof is 1 Damaged by misuse accident negligence or failure to maintain the same as specified or required by MOTECH 2 Damaged by external hazard or force majeure such as lightning strikes storm and or fire
27. Fig 5 1 2 CEC Efficiency of the PVMate 6500U 96 0 277V 100 0 98 0 96 0 94 0 92 0 oor m 275 80 0 ee 78 0 76 0 74 0 72 0 70 0 0 10 20 30 40 50 60 70 80 90 100 Efficiency 8 oO xs of Rated Output Power Fig 5 1 3 CEC Efficiency of the PVMate 6500U 96 0 240V 80 100 0 98 0 0 96 0 94 0 92 0 gt 880 e 230 0 8 Pry 275 82 0 E 0 400 78 0 6 0 74 0 72 0 70 0 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Fig 5 1 4 CEC Efficiency of the PVMate 6500U 95 5 208V gt e 230 S 275 400 i 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Fig 5 1 5 CEC Efficiency of the PVMate 7500U 96 0 277V 8 Efficiency 0 10 20 30 40 50 60 70 80 90 100 Fig 5 1 6 100 0 98 0 Efficiency g oO Fig 5 1 7 of Rated Output Power CEC Efficiency of the PVMate 7500U 96 0 240V 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power CEC Efficiency of the PVMate 7500U 95 5 208V 82 275 t 230 275 4400 5 3 De rating Operation The occasions when the PVMate inverter will take into account and then regulate the output 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 ex
28. Owner s Manual PVMate Grid Connected Solar Inverter PVMate 6500U 7500U MOTIS Modern Technology for a Sustainable World MOTECH INSTRUMENTS 2011 MOTECH All rights reserved Importance Safety Instructions SAVE THESE INSTRUCTIONS This manual contains important instructions for Models PVMate 7500U PVMate 6500U that shall be followed during installation and maintenance of the PV inverter Safety Precautions Safety Notes Only trained qualified electrical personnel are to perform the electrical installation wiring opening and repair of the PVMate inverters Even when no external voltage is present the PVMate inverters can still contain high voltages and the risk of electrical shock 2 WARNING THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT PERFORM ANY SERVICING OTHER THAN THAT SPECIFIED IN THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO 2 AVERTISSEMENT CES INSTRUCTIONSS ADRESSENT A UN PERSONNEL QUALIFIEUNIQUEMENT POUR REDUIRE LE RISQUE DE CHOCELECTRIQUE N EFFECTUER AUCUN AUTREDEPANNAGE QUE CELUI INDIQU DANS LA NOTICED EXPLOITATION A MOINS QUE VOUS NOUSSOYEZ QUALIFIE POUR LE FAIRE The temperature of the heat sinks outside of the device can reach over 70 C 158 F in normal operation Ambient temperature rating 50 C 122 F There is the risk of burn injury when these parts are touched The follo
29. UNGROUNDED CONDUCTOR WITHOUT STRING FUSES Even though the internal DC fuses are not used hazardous voltage is still present on the fuse holders The fuse puller must be placed on the fuse holder to prevent the risk of electrical shock The terminal labeled UNGROUNDED CONDUCTOR is not used when the internal DC fuses are not used all wires connected to this terminal must be removed 42 Avoid using wire nuts to join any wires together or to make any connections anywhere in the PV system Wire nuts are a frequent cause of unreliable connections resistive connections and ground faults Connect the equipment ground cable to the screw of the ground bar labeled Tighten the screws with a torque of 1 7Nm 15 6 in Ib 2 3 3 Connection of the Communication cable The PVMate inverter supports two common data interface standards RS 232 and RS 485 which will be used to communicate to the remote computer or terminal Only one of the communication interfaces can work at a time As shown in the figure 2 3 3 1 and the left one of the figure 2 3 3 6 there are two RJ 45 connectors RJ45 R RJ45 L and one spring terminal J605 that are located on the bottom of the wiring box The spring terminal J605 is another choice instead RJ 45L connection The pin numbers and the corresponding signals are described in the figure 2 3 3 2 below If the RS485 is used as the external communication interface and the inverter is the last device with
30. als Use 90 C 194 F 10 AWG to 6 AWG copper wire for DC wiring and 8 AWG to 6 AWG copper wire for AC wiring connections The maximum size of wire terminals in wiring box accept is 6 AWG Use only solid or stranded wire but not fine stranded wire m Reconfirm that all connections have been performed properly and all screws are properly tightened A WARNING All electrical installation and the wiring methods shall be done in accordance with the local and National Electrical codes ANSI NFPA 70 and should follow the important safety instructions in this manual A WARNING Make sure that you use suitable connecting cables for both the AC and DC wiring The cable must be adequately dimensioned and suitably inert to temperature fluctuation UV radiation and other possible hazards Connection of the AC cable A WARNING Reconfirm that the circuit breaker to the main utility is switched OFF before connecting the power cable from the breaker to the AC connector Connection of the DC cable gt PP gt CAUTION Identify the different polarity of DC voltage on each PV string and connect respectively to the input terminals marked UNGROUNDED CONDUCTOR and GROUNDED CONDUCTOR Make sure the DC voltage that PV arrays generate is equal or less than 600 VDC in any case WARNING Route the DC connection cables to the PVMate inverters away from any possible hazards that could damage the cables WARNING
31. arranty Always configure the DC input voltage range correctly before connecting the DC input wires from the PV array to the PVMate inverters WARNING Route the DC connection cables to the PVMate inverters away from any possible hazards that could damage the cables WARNING 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 31 2 3 2 1 Connection of the DC wires for Negative Ground Arrays In case the PVMate inverter is shipped with negative ground setting the positive polarity of the DC input voltage from the PV string shall be connected to the terminal labeled UNGROUNDED CONDUCTOR and the negative polarity of the DC input voltage from the PV string shall be connected to the terminal labeled GROUNDED CONDUCTOR as shown in the figure 2 3 2 1 1 The negative ground setting is that the black DC wire is connected to the terminal labeled C of J505 The red DC wire is connected to the terminal labeled D of disconnect switch 32
32. at the system goes from power on system check monitoring and then grid feeding mode without any fault condition detected The inverter is 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 the power comes back If a fault occurs that does not clear on its own then the system will enter the idle procedure which needs a service staff to clear the fault and reset the system These three procedures are illustrated in the figure 3 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 PVMate 7500U in this example on the LCD as shown below 54 MOTECH PVMate 7500U 3seconds After 3 seconds software versions of two embedded CPU s Sequential and Current controller will be displayed on the LCD And then the checksum serial number of the inverter and the address for the communication port are displayed SEQ Version X X CUR Version X X
33. bonding between the inverter and the wiring box for its construction and grounding as shown in the figure 5 4 3 2 4 Tighten the nuts with a torque of 1 7Nm 15 6 in Ib when performing the following items 8 and 9 102 10 11 For the AC wire connections connect the WHITE AC wire to the J506 WHITE terminal If it is originally 208 240 V system then connect the RED BLACK AC wire to the disconnect switch If it is originally 277 V system then connect the RED wire to the disconnect switch and connect BLACK AC wire to the J506 BLACK for 277V terminal Please refer to the section 2 3 1 for further details If it is originally negative ground then connect the RED DC wire to the disconnect switch and connect the BLACK DC wire to the J505 terminal as shown in the figure 2 3 2 1 1 If it is a positive ground system then connect the red DC wire to the J505 terminal and connect the black DC wire to the disconnect switch as shown in the figure 2 3 2 2 1 Please refer to the section 2 3 2 for further details Put the covers of the wiring box back as shown in the figure 5 4 3 2 6 Fasten the screws as shown in the figure 5 4 3 2 7 Turn ON the DC AC disconnect switch and breakers 103 5 4 4 Replace the clock battery N N O a Positive polarity of the battery is toward top side Fig 5 4 4 1 Replace the c
34. ceeds 72 C 161 6 F the system will reduce the output power until the temperature drops to under the critical value The PVMate inverter will shut down the power output to the grid if the temperature reaches 81 C 177 8 F If this occasion happens often it is necessary to check whether the inverter is mounted at an appropriate place with good ventilation and not directly exposure to the sunshine Input DC current When the input current from the PV strings is about to exceed the maximum limit the PVMate inverter will restrict it to the operating limit in order to prevent damage to the inverter If this occasion happens frequently it is necessary to check whether the PV array is configured properly to supply the DC current within the maximum limit of 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 though the output current does not reach the maximum current limit the PVMate inverter will still automatically restrict the output current to keep 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 83 according to the specifications listed in Section 1 2 Even though the output power does not reach the maximum power limit the PVMate inverter will still restrict the output current within the maximum curr
35. cts itself from the power grid when abnormally low line to neutral AC voltage is detected 56 3seconds 3seconds If the grid type setting of 240 Vac without neutral is used as an example the settings of the VacH and its clear time will be displayed The VacH setting is the line to line rms high threshold voltage setting at which the inverter disconnects its output from the AC power grid when abnormally high line to line AC voltage is detected After the setting of the VacH is displayed the setting of the VacL will be displayed for 3 seconds 3seconds 3seconds 57 Then the high and low threshold settings of the AC frequency and the clear time will be shown for three 3 seconds When the AC frequency reaches the high or low threshold setting the inverter will disconnect its output from the AC grid XX XXHz lt XXX Cycs 3seconds XX XXHz lt XXX Cycs 3seconds Then the LCD will display the setting of the AC high voltage limit above which value inverter will reduce the output power until the AC voltage drops within this setting If the grid type is set to 208 240 with neutral then the display will be looked as the figure shown below VacH Limit L N XXX XV 3seconds 58 Then the setting of the PV start voltage and re connection time will be displayed The re connection time is the remaining delay time for the inverter to re connect to the grid after the fault s
36. e We appreciated your choice of Motech PVMate inverters for your power conversion devices in your 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 installation and settings wre Utility Grid Meter MB gt sB Photovoltaic Array PVMate Inverter Figl 1 1 System Overview 1 2 Specifications Specifications for PVMate 6500U and PVMate 7500U Name Part number PVMate 6500U PVMate 7500U Grid output AC Grid voltage nominal 208 VAC 240 VAC 277 VAC Grid voltage operating range 244 304 277 VAC adjustable 212 264 240 VAC adjustable 184 228 208 VAC adjustable Grid frequency nominal 60 Hz Grid frequency operating range 59 3 60 5 Hz adjustable Maximum output power 6500W 7500W 23 5A 277 VAC 27 1A 277 VAC Maximum output current 27 1A 240 VAC 31 3A 240 VAC 31 3A 208 VAC 36 1A 208 VAC 30A 277 VAC 35A 277 VAC Output over current protection 35A 240 VAC 40A 240 VAC Refer to NEC Article 690 8 B 1 a 40 A 208 VAC 50 A 208 VAC Maximum output fault current 55A Grid output AC Startup current lt 2A Maximum grid backfeed current OA Waveform True sine Power factor gt 0 99 nominal power Total Harmonic Distortion lt 3 DC Component l
37. ed C of J505 Fig 2 3 2 3 1 DC terminal blocks for DC cable connection in Negative Ground array without internal DC Fuses 38 A CAUTION Identify the different polarity of DC voltage on each PV string and connect respectively to the input terminals marked UNGROUNDED CONDUCTOR WITHOUT STRING FUSES and GROUNDED CONDUCTOR Make sure the DC voltage that PV arrays generate is equal or less than 600 VDC in any case CAUTION Even though the internal DC fuses are not used hazardous voltage is still present on the fuse holders The fuse puller must be placed on the fuse holder to prevent the risk of electrical shock CAUTION The terminal labeled UNGROUNDED CONDUCTOR is not used when the internal DC fuses are not used all wires connected to this terminal must be removed The cable of the DC input voltage shall be connected to the terminal labeled UNGROUNDED CONDUCTOR WITHOUT STRING FUSES and the cable of the DC input voltage shall be connected to the terminal labeled GROUNDED CONDUCTOR Even though the internal DC fuses are not used hazardous voltage is still present on the fuse holders The fuse puller must be placed on the fuse holder to prevent the risk of electrical shock The terminal labeled UNGROUNDED CONDUCTOR is not used when the internal DC fuses are not used all wires connected to this terminal must be removed 39 Avoid using wire nuts to join a
38. ent 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 its output voltage might be higher than the AC high threshold 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 AC high voltage which is less than the setting of high threshold voltage Once the AC voltage reach the AC high voltage setting PVMate inverter will restrict the output current to keep the AC voltage stay equal to or less than the setting of AC high voltage so that the inverter instead of shut itself down keeps output power to the grid although it is not the maximum output power 7000 6000 5000 4000 Vde 500V Vac 208V Vde 375V Vac 208V Vde 250V Vac 208V 3000 Power W 2000 1000 0 90 95 oa ca A 45 50 55 60 65 70 5 Ambient Temp C Fig 5 3 1 Temperature derating curve of the PVMate 6500U 208V 84 7000 6000 5000 4000 Vdc 500V Vac 240V Vde 375V Vac 240V Vde 250V Vac 240V Power W 3000 2000 1000 45 50 55 60 65 70 75 80 85 90 95 Ambient Temp C Fig 5 3 2 Temperature derating curve of the PVMate 6500U 240V 7000 6000 5000 Vdce 500V Vac 277V Vdce 375V Vac 277V Vde 250V Vac 277V 2000 1000 0
39. es may make it necessary for us to notice you the related information about your inverter Please register immediately after purchasing Company Product Type City State Zip Serial Number s Phone Date Installed E mail System Description PV array size type Connection Your Comment 78 5 5 1 Technical Documentation Outline Drawing 73 2 28 82 25 0 9 84 12 5 4 92 43 8 17 24 20 5 8 07 Pee 9 4 3 70 KOTEM l Ar Sp r D amp I 5 b 9 gt 9 ee 9 gt I i amp S LUI DO o f MH a Sy oe HW a2 Ad cS Q D SS z ree e 20 5 8 07 unit cm inch Fig 5 1 1 Outline Drawing of PVMate 6500U 7500U 79 5 2 Efficiency Efficiency of the PVMate inverters 100 0 98 0 96 0 94 0 92 0 7 86 0 84 0 oe 80 0 En 78 0 76 0 74 0 72 0 70 0 0 10 20 30 40 50 60 70 80 90 100 Efficiency 8 fo xs of Rated Output Power
40. esdeebicanasess 87 Exchange Of the GFDI FUSC ccccccccccseessssscesecsceesensecscessesssessaseseseesseenes 87 Exchange of the PV String FUSES c sscsccccccscessesscssessesssesteseseseeseeenes 89 Factory SCFVICO BE HBPIPBIBEFPEPBEPEPEPPPPBERPEPEEEHEPEPBTBEERERBEBRFIEPBRBERFEPEREBEPEPRRBEPEEPER 90 Remove the Inverter uunserssrsnnnnnsnnnsnnnnnsnntnnnnnsnnnnnnnnnsnnnnnnnnsnnnnnnn 91 Re install the Inverter uununnnennersnnnsnnnersnnnsnnnnnnnnnennnnnsnnnnnnnnnennnnnnn 97 Replace the cloGk battery snaeisesnanen ehe 104 Set th amp Clock nenn Beeren nee tattess sehn 105 List of Figures System Overview an eae or oae rae E EEUE O EErEE Enis 2 Clearances required for PVMate inverter installation 8 Removal of the bracket from the inverter neeeneeseerseenseenneennennen 10 Inverter mounting bracket uueeneessersnessnesnnesnensnensnennnnnneennnennennnen Il Fasten the mounting bracket ueesueresseessnersnennnnessnennnnensnnennenennnnn 12 Hook the Inverter on the mounting bracket and then fasten the SCT OW A EER E EEE E AS E E E E E E EE 15 Turn the DC AC disconnect switch OFF ooeec 16 Loosen the SCTEWS aireta aea e eioan 16 Fig 2 3 3 Fig 2 3 4 Fig 2 3 5 Fig 2 3 6 Fig 2 3 7 Fig 2 3 1 1 Fig 2 3 1 2 Fig 2 3 2 1 Fig 2 3 2 1 1 Fig 2 3 2 2 1 Fig 2 3 2 3 1 Fig 2 3 2 4 1 Fig 2 3 3 1 Fig 2 3 3 2 Fig 2 3 3 3 Fig 2 3 3 4 Fig 2 3 3 5 Fig 2 3 3 6 Fig 2 4 1 Fig 3 3 1 Fig 3
41. etween them The wires been disconnected must be wrapped with an insulated material to prevent staff from the electrical shock WARNING After the inverter is removed from the mount bracket the through holes of the wires on top of the wiring box must be covered with the cover plate that is attached on top of the wiring box to prevent the box from the water drops causing current leakages WARNING Not to keep any spare parts inside the wiring box 106 MOTIS Modern Technology fora Sustainable World MOTECH INSTRUMENTS MOTECH INDUSTRIES INC 6F No 248 Sec 3 Bei Shen Rd Shen Keng Dist New Taipei City 222 Taiwan Tel 886 2 26625093 886 2 26625194 Fax 886 2 26625097 E mail pvproducts motech com tw Web site www motech com tw SolarEnergyProducts asp ZOMG 8275UMTUS1
42. ews through the holes as shown in figure 2 2 4 below which are used to fasten both inverter and the wiring box together to the mounting bracket 13 Slide the mounting pins on the inverter over the hooks on the mounting bracket G anal Fe e Holta o UI o y 7 J flange with 117cm 100cm mounting slots _ 46inch 39inch Ensure the inverter is seated properly on the mounting bracket N Ground Floor Ground Floor 7777 14 NOTE Fig 2 2 4 Hook the Inverter on the mounting bracket and then fasten the Screw After the inverter is hung correctly on the bracket and secured with the screw it is then possible to complete wiring the inverter 2 3 Wiring the inverter It is necessary to remove the cover of the wiring box before wiring the inverter First the DC AC disconnect switch must be turned to the OFF position as shown in figure 2 3 1 And then loose the screws two on each side of the cover remove the cover of the wiring box including the switch knob as shown in the figure 2 3 2 and figure 2 3 3 below 15 Switch ON Turn the DC AC disconnect switch OFF Fig 2 3 1
43. g enclosure equipment or parts e The PVMate inverter must be provided with an equipment grounding conductor connected according to local codes and regulations e The PVMate inverter must be provided with a DC grounding connection according to NEC and Local Electrical codes The grounded conductor must be ungrounded and energized when ground fault is indicated e The AC Neutral connection is only for voltage sensing and shall be neither used to carry currents nor bonded to ground inside the inverter e 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 Safe Installation and Operation Installation of the device must be in accordance with the safety regulations e g UL1741 and all other relevant national or local regulations Correct grounding and short circuit protection must be provided to ensure operational safety Read all instructions and cautionary remarks in the manual before installation Switch off the circuit breakers before installation and wirings Avoid standing in water when working on the inverter PV arrays will be energized when exposed to light Cover the arrays with opaque dark material during installation and wiring Check both of the AC and DC connections with a digital volt meter prior to any installation or removal procedures At
44. ge VDC 0 640V 0 1V 0 6V 2V Input Current IDC 0 31000mA 100mA 31mA 300mA Grid voltage VAC 0 300V 0 1V 0 6V 1V Grid current IAC 0 26000mA 100mA 52mA 250mA Grid frequency Hz 45 65Hz 0 1Hz 0 004Hz 0 02Hz Output power W 0 7800W 1W 1W 40W Energy yield kWh 0 9 99x10 kWh 0 1kWh 2 2x10 kwh 1 Operating hours h 0 65535H 1H 1s 0 03 1 3 Accessories Operation Manual 1 pc Mounting bracket 1 pc A RS 232 cable with the part number WABG 0918S 1 pc Optional 2 Installation 2 1 Placement PVMate inverters that must be vertically mounted may be located indoors or outdoors according to protection class Type 3R Leave at least 50 cm 19 7 inches of free space above and 100 cm 39 4 inches below the inverter when installed outdoors Allow 20 cm 7 9 inches between inverters when installing multiple inverters for better ventilation see figure 2 1 1 Mount the inverter on a wall that shall be strong enough to sustain the inverter with 41 kg 90 2 Ib in weight Avoid mounting the inverter at a location directly exposed to sunlight to maintain the ambient temperature of the inverter that is less than the rated operating temperature range Humidity shall be within 0 and 95 WARNING Not to operate the inverter where it exposes to flammable explosive environment or around combustibles like trash or unknown materials that may result in danger Some parts of the cooling surface can reach temperatures
45. in the RS485 loop then the termination switch shall be put to ON position shown in the figure 2 3 3 4 Users shall open the front lid of the wiring box to switch the termination switch to ON position The termination switch is default set to OFF position The other way to connect communication cables shown in the left one of the figure 2 3 3 6 is to route the cables via four 4 small knock out wholes on the right left or bottom sides of the inverter if there is any concern about waterproof of the communication cables 43 Spring terminal nn J605 ee RS232 ao ooy mul Termination Termination T p ON OFF RJ45 L Te amp RJ45 R Fig 2 3 3 1 Positions of the communication ports and termination switch 44 RJ45 L 5 TXD RS232 RXD RS232 Not used GND GND Not used TX A RS485 RX B RS485 Top view ONOUP OD T RJ45 R 5 Factory reserved Factory reserved 5V GND GND 5V TX A RS485 RX B RS485
46. ing 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 causes an automatic shutdown of the inverter when there is an electrical disturbance on the utility grid This is a safety feature which is primarily meant to prevent electrical shock to staff who might be working on the grid wires Unity Power Factor The PVMate inverter intend to feed the power with a unity 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 most 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 intended purpose 51 3 3 LED Indication There are three LED s on the front panel of the PVMate inverter which displays the operating status of the inverter As shown in figure 3 3 1 The detailed explanations of the status and the corresponding LED indicators are described in the following table Fig 3 3 1 Front panel of the PVMate inverter 52 LED Indication Table LED indicators Operating status Description Green
47. ing box 93 EINE m 0 g up 0 _ el i 0 e a ee eS Fig 5 4 3 1 4 Remove the screws bonding at the sides of the inverter Fig 5 4 3 1 5 Un hang the inverter carefully 94 95 Fig 5 4 3 1 6 Locate the cover plate in place and fasten the screws Turn the DC AC disconnect switch to OFF position and turn off all breakers Wait for at least 5 minutes Remove the cover of the wiring box by following the steps described in section 2 3 as shown in the figure 5 4 3 1 1 Disconnect the red and black DC wires from the disconnect switch and J505 terminal Disconnect the red black and white AC wires from the disconnect switch and J506 terminal as shown in figure 5 4 3 1 2 All disconnected wires must be wrapped with insulated materials to prevent from the electric shock Pull in those disconnected wires inside the wiring box Loose the 4 nuts by a 13 mm wrench as shown in the figure 5 4 3 1 3 96 7 Remove the screws bonding at the sides of the inverter so that the inverter can be taken apart from the wiring box as shown in the figure 5 4 3 1 3 8 Remove the inverter from the mounting bracket as shown in the figure 5 4 3 1 5 9 Use the cover plate that is on top of the wiring box to cover the through holes of the wires with the 4 nuts as show in the figure 5 4 3 1 6 10 Put the front cover of the wiring box back a
48. ing shall be connected to the terminal labeled UNGROUND CONDUCTOR WITHOUT STRING FUSES of J504 and the negative polarity of the DC input voltage from the PV string shall be connected to the terminal labeled GROUNDED CONDUCTOR as shown in the figure 2 3 2 3 1 The negative ground setting is that the black DC wire is connected to the terminal labeled C of J505 and the red DC wire is connected to the terminal labeled D of disconnect switch 37 Br eo CIN_N1 DCIN DCIN sji 3113 T19 A o A o To a Qe Roe T 1505 DRY D o 5 UNE 2 O85 o Oo 80 89 eee o 61A 00 ANNIN UNGROUNDED GROUNDED o CONDUCTOR CONDUCTOR i LI fern Nee O l nom P aooo C E C gt C gt Red DC wire Terminal labeled D of disconnect switch ROS o a en ser Ae Black DC wire CONDUCTOR CORWUCTOR Connect to PV J505 Connect to PV Terminal label
49. ize must not be greater than the maximum fuse size rating of the PV module provided on the PV module manufacturer data sheet If no maximum fuse size is indicated please contact the PV module manufacturer 5 4 3 Factory Service Once the product is diagnosed requiring a Factory Service the product could be removed and sent back using the original shipping box and the packing materials A copy of the purchase invoice is also required to be included in the package 90 Document There are some documents must be attached with the return product Please write as detail as possible 1 Serial number and machine type of the inverter 2 Brief descriptions of connected system 3 Fault message on front panel or fault condition 4 Can the failure be reproduced How to reproduce it The following sections will describe the steps to remove and then to hook back the inverter with the wiring box remaining on the wall 5 4 3 1 Remove the Inverter PVMate inverter is designed to be easily separated from the wiring box and removed from the mounting bracket It must wait for at least five 5 minutes for system to discharge after DC AC disconnect switch and breakers are switched OFF and before opening the front cover of the inverter to disconnect the wires Both DC and AC wires that are disconnected from the inverter must be properly wrapped with insulated material After the inverter is removed from the mount bracket the through holes of the wires on
50. lock battery 104 5 4 5 Set the clock PVMate 6500 7500 has real time clock function which can provide local time display on LCD and also for real time datalogging The clock setting is done by software tool which is available for download from Motech website via communication port The parameters used for clock setting are listed in following table The clock setting allows user Password Operate Address Unit Range Command Level Mode 139 Second 0 59 3or6 0 140 Minute 0r59 3or6 0 141 Hour 0 23 3or6 0 142 Day 0 31 3or6 0 All mode 143 Month 1712 3or6 0 144 Year 2011 3or6 0 Write 0x2478 Write Enable 146 OxAA 1 enable key Other Write disable 105 A WARNING PV arrays is always energized when exposed to light therefore hazardous voltage is still present on the terminal blocks and the PV string fuse holders even the DC AC disconnect switch is switched OFF Please cover the PV arrays with opaque dark materials during the inverter removal and absence until the inverter is hooked back and reconnected WARNING 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 WARNING Must confirm that all DC and AC switches are turned off for at least five 5 minutes before opening the front covers of the inverter and the wiring box and disconnect the DC and AC wires b
51. lt mode After the monitoring mode the PVMate inverter confirms that all conditions necessary for feeding the power into the utility grid are fulfilled The inverter will turn on the AC relays and start feeding the AC power to the grid 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 satisfied When fault s occurs and have 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 a 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 clear the errors Once the inverter jumps into this operating mode the inverter has detected a malfunction of the ENS and has stopped feeding the power to the grid for safety reason Normally this is a failure that cannot be removed on field It needs service personnel coming to remove the problems and put the system back to operation 50 3 2 Operation Feature Anti Island When an island condition is detected the inverter will stop feed
52. market The overview of the grid tied solar energy system is shown in figure 1 1 1 PVMate inverters utilize state of the art technology reliability and ease of use and comply with the requirements of UL1741 Standard for Inverters Converters Controllers and Interconnection System Equipment for Use With Distributed Energy Resources Also comply with the IEEE 1547 Standard for Interconnecting Distributed Resources with the Electric Power Systems and IEEE 1547 1 Standard Conformance Test Procedures for Equipment Interconnecting Distributed Resources with Electric Power Systems and FCC Part 15 Subpart B EMI EMC Emissions Regulations for a Class B device The PVMate inverter is designed to operate automatically once it is installed and commissioned correctly When the DC input voltage generated by the photovoltaic array rises above the pre set threshold value the embedded controller starts and goes through system check mode and then into monitoring mode until the PV Start Voltage is reached During this time the PVMate inverter will not generate AC power Once all conditions necessary for grid connection are satisfied the PVMate inverter goes into the Grid MPPT mode and begins feeding the AC power into the grid When the input DC voltage falls below the minimum MPP voltage setting the PVMate inverter will then shut 1 itself down The PVMate inverter will be awakened automatically when the input DC voltage rise above the pre set threshold valu
53. nd fasten the screws 11 Collect the removed screws in a plastic bag for the need of re install the inverter in the future 12 Keep the DC AC disconnect switch and circuit breakers stay at the OFF position until the inverter is re installed all wires are connected correctly front covers are put back and screws are fastened 5 4 3 2 Re install the Inverter After re installation of the inverter all wires must be re connected correctly before put the inverter back to work properly WARNING PV arrays will be energized when exposed to light Cover the arrays with opaque dark material during installation and wiring 2 WARNING Reconfirm that the circuit breaker to the main utility is switched OFF before connect the power cable from the breaker to the AC terminal block 97 98 Fig 5 4 3 2 1 Re install the cover plate and fix it at the back of the wiring box Fig 5 4 3 2 2 Hang the inverter onto the mounting bracket carefully 99 Fig 5 4 3 2 3 Fasten the screws bonding at the sides of the inverter Fig 5 4 3 2 4 Fasten the nuts bonding between the inverter and the wiring box for its construction and grounding 100
54. nel of the PVMate inverter oossoo 52 PVMate inverter LCD display lay out uc esseesseerssseessnensnsennenennnnn 70 Outline Drawing of PVMate 6500U 7500U nuenneenersnersnensnennnnnn 79 CEC Efficiency of the PVMate 6500U 96 0 277V nennen 80 CEC Efficiency of the PVMate 6500U 96 0 240V 80 Fig 5 1 4 Fig 5 1 5 Fig 5 1 6 Fig 5 1 7 Fig 5 3 1 Fig 5 3 2 Fig 5 3 3 Fig 5 3 4 Fig 5 3 5 Fig 5 3 6 Fig 5 4 1 1 Fig 5 4 2 1 Fig 5 4 3 1 Fig 5 4 3 1 2 Fig 5 4 3 1 3 Fig 5 4 3 1 4 Fig 5 4 3 1 5 Fig 5 4 3 1 6 Fig 5 4 3 2 1 Fig 5 4 3 2 2 Fig 5 4 3 2 3 Fig 5 4 3 2 4 Fig 5 4 3 2 5 Fig 5 4 3 2 6 Fig 5 4 3 2 7 Fig 5 4 4 1 CEC Efficiency of the PVMate 6500U 95 5 208V 8l CEC Efficiency of the PVMate 7500U 96 0 277V 8 CEC Efficiency of the PVMate 7500U 96 0 240V 82 CEC Efficiency of the PVMate 7500U 95 5 208V 82 Temperature derating curve of the PVMate 6500U 208V 84 Temperature derating curve of the PVMate 6500U 240V 85 Temperature derating curve of the PVMate 6500U 277V 85 Temperature derating curve of the PVMate 7500U 208V 86 Temperature derating curve of the PVMate 7500U 240V 86 Temperature derating curve of the PVMate 7500U 277V 87 Replacement of the GFDI fuse nsss 88 Replacement of the PV String fuses 89 Remove the cover of
55. nitoring Insolation 3seconds Vpv XXX V 3seconds 3seconds Grid MPPT Mode After the system enters the grid feeding mode it will show the following information in order and repeatedly until the system goes to other operating mode The first screen shows the current operation mode 61 Mode Grid MPP 3seconds Next messages are the up to minute data of the DC input voltages and the AC output voltage First two messages are for the PV arrays and the other two messages are for the output power Vpv is the incoming voltages from PV array Wpv is the incoming power of PV array in watts Vac Pac lac and Fac are the voltage power current and frequency that the inverter feeds to the grid 3seconds 3seconds 3seconds 62 The next message shows the cumulated energy in kWh and period of time in hours for the inverter delivering the power to the grid since the inverter has been power on and operated for today Etoday XXX X kWh Htoday XX X Hr 3seconds 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 Eac XXXXXX X kWh H XXXXX Hr 3seconds Power De Rating Message There are five possible de rating displays which will be shown if power de rating is detected in grid feeding mode Only one occasion that causes de ra
56. ny wires together or to make any connections anywhere in the PV system Wire nuts are a frequent cause of unreliable connections resistive connections and ground faults Connect the equipment ground cable to the screw of the ground bar labeled amp Tighten the screws with a torque of 1 7Nm 15 6 in Ib 2 3 2 4 Connection of the DC wires for Positive Ground Arrays without Internal DC Fuses The PVMate inverter also supports positive ground for some applications without internal DC fuses when external DC fuses are used In this case the positive polarity of the DC input voltage from the PV string shall be connected to the terminal labeled GROUNDED CONDUCTOR and the negative polarity of the DC input voltage from the PV string shall be connected to the terminal labeled UNGROUNDED CONDUCTOR WITHOUT STRING FUSES of J504 as shown in the figure 2 3 2 4 1 The positive ground setting is that the red DC wire is connected to the terminal labeled C of J505 and the black DC wire is connected to the terminal labeled D of disconnect switch 40 CIN_N1 rO 8999 Peere
57. olation is strong enough to generate DC input voltage over the pre set threshold value the inverter turns itself on The inverter feeds power into the grid after input voltage over the PV start voltage and all necessary conditions are checked and fulfilled The inverter goes into monitoring mode from the grid feeding mode if the DC input voltage is under the minimum MPP voltage 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 minimum MPP 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 feeding mode It takes 300 seconds to complete the monitoring mode after a grid failure otherwise it takes 20 seconds normally If any 49 Grid MPPT Fault Idle parameter except the DC input voltage is under the threshold value the inverter goes to Fau
58. ould be taken into account by system installers when determining the 29 proper rating of PV string fuse or a fire hazard may occur if there is short circuit in a PV string All connections in PV system shall accord with NEC 690 9 There are two 2 terminals respectively labeled UNGROUNDED CONDUCTOR and GROUNDED CONDUCTOR per PV string located in the wiring box used for the DC cable connections The DC equipment ground cable shall be connected to the screw of the ground bar labeled S in the wiring box of the PVMate inverter All the screws shall be tightened with a torque of 1 7Nm 15 6 in Ib Up to five 5 independent PV strings 5 pairs can be connected to the PVMate inverter as shown in the figure 2 3 2 1 The PV strings will be connected in parallel in the wiring box KOrsan 5 28 Fig 2 3 2 1 PV terminal connection The PVMate inverter supports both of the negative and the positive ground for PV strings connections 30 gt gt gt CAUTION PV arrays are energized when ex posed to light Use safe working practices when working on PV arrays WARNING Verify the polarity and the open circuit voltage from the PV strings before you connect the DC wires to the PVMate inverters Applying an open circuit DC input voltage that exceeds the maximum DC input voltage range will cause irreversible damage to the PVMate inverters and void the w
59. over 70 C 158 F WARNING Do not expose the inverter to the corrosive liquids and or gases Keep DC wiring as short as possible to minimize power loss The mounting bracket should be fastened on a concrete or a masonry wall with the accessory anchors Ceiling 50 19 69 50 19 69 207 87 _ 2OK7 87 9035 43 Wall ines 100 39 37 unit cm inch Fig 2 1 1 Clearances required for PVMate inverter installation The PVMate series inverters conform to the requirements of the electromagnetic compatibility FCC part 15 subpart B Typically it is suggested to choose the radio receiver with resistance to noise which fulfills the interference immunity requirements To some extent the interference might be detected in close proximity to the potential noise source due to the disposal of system installation Keep the radio antenna far from the inverter and house wirings Twist the DC wires together or keep them as close together as you can Also run them in metal conduit that is properly grounded This means the grounding path shall be as short as possible 2 2 Mounting The steps listed below describe how to mount the inverter on the wall 1 After removing the inverter from the carton the attached mounting bracket must be removed away from the package sponge as shown in the figure 2 2 1 below
60. r labeled Tighten the screws with a torque of 1 7Nm 15 6 in Ib 2 3 2 2 Connection of the DC wires for Positive Ground Arrays The PVMate inverter also supports PV arrays with positive ground for some applications In this case the positive polarity of the DC input voltage from the PV string shall be connected to GROUNDED CONDUCTOR terminal and the negative polarity of the DC input voltage from the PV string shall be connected to UNGROUNDED CONDUCTOR terminal as shown in the figure 2 3 2 2 1 The positive ground setting is that the red DC wire is connected to the terminal labeled C of J505 and the black DC wire is connected to the terminal labeled D of disconnect switch 34 psis 85 2 Er Oa F Ne Red DC wire D 2 e P ix a Eosoo gt gt c IN w Black DC wire k So N N Terminal labeled I I i D of disconnect switch
61. s default set for utility interconnection with neutral However it may be reconfigured for the utility without neutral The utility configuration jumper block J210 located on the control board as shown in the figure 2 3 6 is used to set the PVMate inverter for connection to the commonly used utility configuration types shown in the figure 2 3 7 As shown in the figure 2 3 6 the P1 and P2 pins are used to configure the PVMate inverter for the grid types of 208 V 240 V 277 V AC outputs with neutral or 208 V 240 V AC outputs without neutral When the inverter is set for the utility configuration with neutral it can automatically distinguish the utility voltage from each other and adjust the output AC voltage according the grid voltage Note When connecting the PVMate inverter to the utility the voltage must be compatible ojojojojojojojojojojojojojojo Oojojojojojojojojojojojojojojo p1 277V 240V 208V l l P2 oi With Neutral Default o 240V Without Neutral 208V Without Neutral P3 0 0 FAN Auto Default FAN On Fig 2 3 6 Utility configuration jumpers 20 N Ya l With Neutral With Neutral 120 WYE 240 120 Split Phase 120 120 we 0 e A E R eut P1 o Neutral 240 P2 OU 20 277V 240V 208V 240 With Neutral 1
62. same type and ratings of fuse 600 VDC 1 A 88 5 4 2 Exchange of the PV String Fuses The PVMate inverter is shipped with five 5 15A 600 VDC PV string fuses However the size of the PV string fuse shall be determined by the electrical ratings of the PV module and by UL and National Electrical Code NEC requirements The minimum size of the PV string fuse is calculated using the short circuit current rating Isc of the PV module The NEC requires that the fuse be sized for a minimum of 1 56 times the Isc of the PV module used in the system Please be sure to consult with the PV module manufacturer for appropriate PV string fuse rating Fig 5 4 2 1 Replacement of the PV string fuses 89 1 Turn OFF the DC AC disconnect switch and breakers 2 Wait for at least 5 minutes 3 Remove the cover of the wiring box by following the steps described in section 2 3 Exchange the fuses as shown in the figure 5 4 2 1 Isolate and repair all PV array ground faults before proceeding Put the cover of the wiring box back and fasten the screws No oe Turn ON the DC AC disconnect switch and breakers WARNING PV arrays is always energized when exposed to light therefore hazardous voltage is still present on the terminal blocks and the PV string fuse holders even the DC AC disconnect switch is switched OFF Please cover the PV arrays with opaque dark materials during PV string fuse replacement CAUTION IN The string fuse s
63. t 0 5 Phase Split Phase or Single phase Solar input DC Input voltage range 220 600 VDC Input voltage range MPPT 230 V 500 VDC Name Part number PVMate 6500U PVMate 7500U Maximum input voltage 600 VDC PV start voltage 260 VDC adjustable Maximum input current 35A Maximum input short circuit 44A current Number of fused string inputs 5x15A Efficiency Maximum efficiency 96 7 277VAC 96 3 240VAC 96 5 240VAC 96 0 208VAC 96 2 208VAC 96 7 277VAC CEC efficiency 96 0 277VAC 96 0 240VAC 95 5 208VAC Night time tare loss 0 5W Environmental Operating temperature range Storage temperature range 25 C 65 C 13 149 F Maximum full power operating ambient 55 C 131 F 50 C 122 F Relative humidity Max 95 Noise level at full load lt 47db A at 1m Mechanical Outdoor enclosure NEMA 3R Rainproof Cooling Cooling fan DC Input terminals Accept wire size of 10 to 6 AWG AC Output terminals Accept wire size of 8 to 6 AWG DC AC connection Screw 35 mm 1 38 27 mm 1 06 knockout hole Communication connection Screw 27 mm 1 06 20 mm 0 79 knockout hole Weight Shipping weight 41 kg 47 kg 90 Ib 104 Ib Dimensions HxWxD 732 x 438 x 208 mm 28 8 x 17 2 x 8 2 Shipping dimensions
64. tach the outer cover correctly before switching on the circuit breakers Install the inverter out of direct sunlight When no external voltage is present the PVMate inverter can still contain high voltages and the risk of electrical shock Allow at least 5 minutes for the inverter to discharge completely after disconnecting the AC and DC sources from the inverter External heat sinks can reach high enough temperatures in normal operation to cause skin burn injury when these parts are touched Pay attention to high temperature components To prevent the risk of fire hazard do not cover or obstruct the heat sink Allow changes in your electrical system to be carried out only by qualified electricians Repair and Maintenance The PVMate inverter contains no user serviceable parts except for the fan the PV string fuses GFDI fuse and the clock battery Only MOTECH trained staff is authorized to carry out internal repair and maintenance of the unit Please return the device for repair and maintenance for faults caused by parts other than the fan and the fuses described above For maintenance and replacement of the fuses please refer to the section 5 4 A WARNING Not to make alterations or use tampering assembly in the inverter without manufacturer s authorization unless specified elsewhere in this Manual They may result in injury electric shock or fire and void the warranty Wiring the inverter m Input Output Termin
65. the Inverter unusneeenersnensnenseennennnennnennnennen 92 Remove the DC and AC wires uneenneennesnersnensnensnensennnennnennnnnnnennen 93 Remove the nuts bonding between the inverter and wiring box 93 Remove the screws bonding at the sides of the inverter 94 Un hang the inverter carefully 94 Locate the cover plate in place and fasten the screws nsss 96 Re install the cover plate and fix it at the back of the wiring box 99 Hang the inverter onto the mounting bracket carefully 99 Fasten the screws bonding at the sides of the inverter 100 Fasten the nuts bonding between the inverter and the wiring box for its construction and grounding 100 Connect the AC and DC wirings to their correct terminals individually san ae at paa E AEE E EE EENES EEES 101 Put back the cover of the wiring box nneenseenseenneennennne nennen 101 Fasten the screws of cover of the wiring box then nossos 102 Replace the clock battery ursuerseesseessesnnesnnesnnesnnennnennensnensnensnnnn 104 1 Introduction 1 1 General The Motech Industries PVMate product family is a series of grid connected photovoltaic inverters which are designed to convert DC power generated by photovoltaic arrays to AC power that is delivered to the home loads and then fed into the utility grid with any excess power The PVMate 6500U and PVMate 7500U are the members of the family for the North American
66. tice 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 1 Model number and serial number shown on the label 2 Fault message on the panel and how it reproduces 3 Detailed descriptions before amp after the fault condition and the utility grid system connected How Our Factory Service Goes On 1 Replace the defective Product with a new unit if it is purchased within 90 days 2 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 NOTE Unauthorized returns will not be accepted and will be returned at the shipper s expense NOTE 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 77 WARRANTY REGISTRATION FORM It is very important to you that you register the product Changes in product technologies as well as new developments in software and featur
67. ting could be detected at a time Therefore only one of the following messages will be displayed if power de rating occurs When Temp message is presented the power de rating is caused by the over temperature The Ipv message shows that the power de rating is caused by restricting the DC input 63 current to the maximum limit 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 64 Warning Message There are three possible warning messages which be shown when situations occur in grid feeding mode When EEPROM message displayed the system has encountered a failure accessing to the EEPROM For the COMM message it represents failure of the communication function For the FAN BLOCK message it shows that the fan has stopped running These warnings could be happening simultaneously Warning EEPROM Warning COMM Warning FAN BLOCK 65 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 and current controllers and then the error messages which are listed in the Error Message Table on section 3 6 Mode Fault S N XXXXXXXXXXX 3seconds SEQ Version X X CUR Version X X 3seconds Mode Fault error message 4 seconds 66
68. tive Ground Arrays without Internal DG Fuses iv 2 una are inneren 37 Connection ofthe DC wires for Positive Ground Arrays without Internal DC FUSCS sees nissan ae ania 40 Connection of the Communication cable 0002222222eeneneneeennennnn 43 Wiring inverter in parallel cccccccccccccseessssscesecsssessnsscesecssessesssasseeees 48 OPERATION aseccncossscscnsevecsevessecneseveusesensessseecsessevensecevensveceebesvecsves 49 OVERVIEW en BR ol eesevteaiaetees iaetevbinlaakestitees 49 OPERATION FEATURE ssscesscecesscesscecesseesseecneessseeceueessseecesseseseeceaeesesaecaess 51 LED INDICATION 4220 Ba Niue eds eisen 52 LED DISBLAYS SR ae ee EE toca veehentage 54 3 5 3 6 5 1 5 2 5 3 5 4 5 4 1 5 4 2 5 4 3 5 4 3 1 5 4 3 2 5 4 4 5 4 5 Figl 1 1 Fig 2 1 1 Fig 2 2 1 Fig 2 2 2 Fig 2 2 3 Fig 2 2 4 Fig 2 3 1 Fig 2 3 2 COMMUNICATION si sicdcesd ctstvsncedddestceasareccdesessdeeebsesessditeodeeniaesdsedeestanneces 71 EXPLANATIONS OF ERROR MMESSAGEG scceeceeceeeeceeeceseeesecaeceaecaeecaeeeaeeees 71 WARRANTY INFORMATION ccsscccccccsssssseeeeccccessssseeeeeeeeeeeeens 75 TECHNICAL DOCUMENTATION cccccsssssssseeeecccccssseseeeeeeeeeeeseens 79 OUTLINE DRAWING aa aaae enaa aee E EEE AER OEE SEA E Aata 79 EFFICIENCY Sohna a e E a Ess 80 DE RATING OPERATION ssccccessceceesseeecessaeeeceseeeeeesaeeecessaeeeseseeeseeaneeeeeaas 83 MAINTENANCE ses ei cdsnddsosisanccesdsncdvestodzcessie
69. top of the wiring box must be covered with the cover plate that is attached at the back of the wiring box to prevent the box from the water drops causing current leakages as shown in the figure 5 4 3 1 6 WARNING A PV arrays will be energized when exposed to light Cover the arrays with opaque dark material during installation and wiring 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 terminal block 91 worsen Is Fig 5 4 3 1 1 Remove the cover of the Inverter 92 J504 DC wires Disconnect J506 switch AC wires u al sH O e a NZ WAN une M A UNGROUNDED o ie u Y CONDUCTOR VETOR j gt e le VY ae Foooo a SEE Fig 5 4 3 1 2 Remove the DC and AC wires Fig 5 4 3 1 3 Remove the nuts bonding between the inverter and wir
70. ween L1 and neutral is over the upper limit The voltage between L1 and neutral is under the lower limit The voltage between L2 and neutral is over the upper limit 72 Error Message Description VacL2 L MOV Fault AC MOV Fault DC GFDI DCinjectCurH VdcbusH Internal COMM Watchdog Idc Test Offset Temp Sensor RAM Test EEPROM Test System Error Version Error The voltage between L2 and neutral is under the lower limit High voltage protection function failed in AC side High voltage protection function failed in DC side A grounding fault is detected The ground fault fuse will be blown Over DC current injected into the AC grid is detected Internal DC bus voltage is over the upper limit Internal communication failed Internal watchdog function triggered The DC injection current monitoring function failed Offset check for grid monitoring failed The internal temperature sensor failed Memory failed EEPROM test failed The system failed The firmware version is not correct 73 Error Message Description CPU Delta Fac CPU Delta Vac CPU Delta GFDI CPU Delta Idc IpvH Driver Fault CalDataError CalDataLoss Ibuck Over Converter Error GFDI HW Error ModuleTempMax Internal measurement comparison error or defective hardware Over current on the DC side Driver circuit or power device failed
71. wing general safety precautions must be observed during all phases of operation service installation 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 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 Warning risk of electric shock Presents safety information to prevent injury or death to users and or installers eS Earth ground symbol Caution refer to accompanying documents Presents information to prevent damage to this product General Safety Precautions e Personnel must remove all conductive jewelry or personal equipment prior to installation or service of the device parts connectors and or wiring e Trained qualified personnel are required to mount reconfigure or repair this device e Licensed electricians are required to install permanently wired equipment e Stand on an insulated surface when working on the operating device i e ensure that there is no grounding e Instructions in this manual must be precisely followed and all information on cautions or warnings must be adhered to Use proper lifting techniques whenever handlin

User`s Manual

Contents

Download Pdf Manuals

Related Search

Related Contents