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1. connect to PV Fig 2 3 2 4 2 DC terminal blocks for DC cable connection in Positive Ground array without internal DC Fuses 37 AN CAUTION 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 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 GROUNDED CONDUCTOR and the cable of the DC input voltage shall be connected to the terminal labeled UNGROUNDED CONDUCTOR WITHOUT STRING FUSES Even though the internal DC fuses are not u
2. IR 4 6 86 n unit cm inch Fig 5 1 1 Outline Drawing of PVMate 2900U 5300U 75 5 2 Efficiency Efficiency of the PVMate inverters 100 95 90 85 Efficiency 80 75 70 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Fig5 2 1 Efficiency of the PVMate 2900U 3000U 96 0 240V 100 95 90 85 Efficiency 80 75 70 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Fig5 2 2 Efficiency of the PVMate 2900U 30000 95 5 208V 76 100 95 90 85 Efficiency 96 80 75 70 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Fig5 2 3 CEC Efficiency of the PVMate 3840U 40000 96 0 240V 100 95 90 85 Efficiency 96 80 75 70 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Fig 5 24 Efficiency of the PVMate 38400 40000 95 5 208V 77 100 95 90 85 Efficiency 96 80 75 70 0 10 20 30 40 50 60 70 80 90 of R
3. Fig 2 3 2 1 PVMate 2900U supports only three 3 PV string fuses CAUTION 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 maximum input current is 25A for PVMate 4900U 5300U See Section 1 2 Specification Maximum input current pages 3 for PVMate 2900U 4000U The maximum current allowed per string is 20A for all PVMate models with string fuses CAUTION PVMate inverters are listed for no backfeed current However all other external source circuits and array wiring ampacity should be taken into account by system installers when determining the proper rating of PV string fuse or a 27 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 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 e 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 four 4 independent PV strings 4 pairs can be connected to the PVMate inverter as shown in the figure 2 3 2 2 The PV strings will be connected in parallel in the wiring box pu
4. Setting Range Default Accuracy Over voltage 96 108 75 110 110 1 Under voltage 85790 88 1 Over voltage Reconnect voltage 96 105 83 110 105 83 1 Under voltage Reconnect voltage 85 91 67 91 67 1 Over frequency Hz 60 4761 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 97418000 9 1 Setting Range Default Accuracy AC high voltage limit 96 1007110 109 1 Reconnect delay s 107600 20 0 01 PV start voltage VDC 200 600 235 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 voltage 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 e Operation Manual 1 pc 2 Installation 2 1 Placement PVMate inverters that
5. A flange with mounting slots 120cm 47inch 100cm 39inch Ensure the inverter is seated properly on the mounting bracket Ground Floor Ground Floor Ld 16 Korzon a UE d b 9 b d b 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 17 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 remove 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 SENSE SR Fig 2 3 1 Turn the DC AC disconnect switch OFF 18 TAR Fig 2 3 3 Remove the cover of the wiring box 19 After the cover is removed it is then possible to remove the covers of the Threaded Conduit holes as sho
6. 75 5 2 gt EFFICIENCY Th ide ecd Pe ET d eade 76 5 3 DE RATING OPERATION Led ar eig o rc PR Dre daa ext 80 S 84 5 4 1 Exchange of the Fuse esses 84 5 4 2 Exchange of the PV String 85 5 4 3 Factory Servite x 3 eoe pee eae Ege Tode e 87 5 4 3 1 Remove the Inverter essen 88 5 4 3 2 Re install the Inverter essen 95 6 WEATHER PROOF SHIELD OPTIONAL nnns 102 Fig 1 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 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 2 1 Fig 2 3 2 2 Fig 2 3 2 1 1 Fig 2 3 2 1 2 Fig 2 3 2 2 Fig 2 3 2 2 2 Fig 2 3 2 3 1 Fig 2 3 2 3 2 List of Figures Grid Connected Solar System Overview sese 2 Clearances required for PVMate inverter installation 11 Remove the bracket from the inverter esses 13 Inverter mounting bracket eerte 13 Fasten the mounting bracket eee 14 Hook the Inverter on the mounting bracket and then fasten the rA E 17 Turn the DC AC disconnect switch OFF sss 18 Loosen the ii de tede ite d ie tete 19 Remove the cover of the wiring box sees 19 Rem
7. Pin 2 Fig 2 3 3 3 RS 232 connection 41 orson J screen RS 485 connection 42 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 5 RA Breaker jy 7 dU p wags SES ES Breaker m i ooga m mm Breaker 1 lt lt lt Breaker Fig 2 4 1 Parallel configuration of inverter 43 3 Operation 3 1 Overview The PVMate inverter will operate automatically Once the insolation 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 gri
8. mom mom a B ZHAN HARU EE ARAN 4 P MIHI HARAP EFE AAAA 4 JAIU SENE SEMI T _ mpi ARE z E L Jj Fig 2 3 2 2 PV terminal connection The PVMate inverter supports both negative and positive ground for PV strings connections The JP14 and JP15 jumpers are used for the settings of the negative and positive ground 28 CAUTION AN PV arrays are energized when ex posed to light Use safe working practices when working on PV arrays 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 2 3 2 1 Connection of the DC wires for Negative Ground Arrays Once the PVMate inverter is shipped with negative ground setting it is set as shown in the figure 2 3 2 1 1 The JP14 and JP15 jumpers are placed on the lower positions to set to the negative ground and the red DC wire is connected to DCIN terminal the black DC wire is connected to DCIN terminal In this case 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
9. seconds Mode Idle S N XXXXXXXXXXXX gol SEQ Version X XX CUR Version X XX 72 3 Mode Idle XXXXXX lt 3 PVMate inverter LCD display lay out lt Mode Fault XXXXXX lt 3 seconds Idle Mode seconds seconds seconds 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 Only one type of the 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 66 Error Message Table Error Message Description GridNA Drift Fac VacH VacL FacH FacL VpvH Imax AC InvTempMax Relay Open Relay Close VacL1 H VacL1L VacL2 H No AC volta
10. Fig 2 3 2 3 2 DC terminal blocks for DC cable connection in Negative Ground array without internal DC Fuses 34 AN 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 35 must be removed Avoid using wire nuts to join any wires together or to make
11. 93 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 Remove the cover of the inverter as shown in the figure 5 4 3 1 1 Disconnect the red and black DC wires from the DCIN and DCIN terminals and disconnect the red black and white AC wires from the ACIN L1 ACIN L2 and ACIN N terminal as shown in the 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 as shown in the figure 5 4 3 1 3 94 7 Loose the 2 screws by a cross driver and the other 2 nuts by a 7 mm wrench so that the inverter can be taken apart from the wiring box as shown in the figure 5 4 3 1 4 8 Remove the inverter from the mounting bracket as shown in the figure 5 4 3 1 5 9 Using the cover plate that is on top of the wiring box to cover the through holes of the wires as show in the figure 5 4 3 1 6 10 Put the front cover of the wiring box back and fasten the screws 11 Collect the removed screws and nuts 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 connect
12. 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 and the GFDI fuse 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 Terminals Use wire size 10 AWG to 6 AWG 90 C 194 F Copper Wire m Reconfirm that all connections have been performed properly and all screws are properly tightened 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 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 t
13. eee 37 Positions of the communication ports and termination switch 40 RJ 45 Pins and Signals eit te tl tren 40 R8 232 COBnle COT s epp 41 RS 485 connection aient tape 42 Parallel configuration of inverter eene 43 Front panel of the PVMate inverter eee 48 Outline Drawing of PVMate 2900U 5300U 75 Efficiency of the PVMate 2900U 3000U 96 0 240V 76 CEC Efficiency of the PVMate 2900U 3000U 95 5 208V 76 Efficiency of the PVMate 3840U 4000U 96 096 240V 77 Efficiency of the PVMate 3840U 4000U 95 5 208V 77 CEC Efficiency of the PVMate 4900U 5000U 96 0 240V 78 CEC Efficiency of the PVMate 4900U 5000U 96 0 208V 78 CEC Efficiency of the PVMate 53000 96 0 240 79 CEC Efficiency of the PVMate 53000 95 5 208V 79 Temperature derating curve of the PVMate 2900U 3000U 82 Temperature derating curve of the PVMate 38400 4000U 82 Temperature derating curve of the PVMate 49000 5000U 83 Temperature derating curve of the PVMate 53000 83 Open the cap of the fuse holder sss 64 Replacement of the PV string fuses sse 86 Remove the cover of the Inverter 89 Fig 5 4 3 1 2 Remove the DC and AC wires sss 90 Fig 5 4 3 1 3 Fig 5 4
14. backfeed current grid Waveform True sine Power factor 20 99 nominal power Total Harmonic 396 Distortion DC Component lt 0 5 Phase Split Phase or Single phase 240 Solar input DC Input voltage range 200 550 VDC Max input voltage 600 VDC PV start voltage 235 VDC adjustable Max input current 16A 20A 21A Max input short circuit current 24A Name Part number PVMate 2900U PVMate 3000U PVMate 3840U PVMate 4000U Solar input DC Number of fused string inputs 3 4 Efficiency Max efficiency 96 796 0 240VAC 96 4 208VAC 96 7 240VAC 96 5 208VAC CEC efficiency 96 0 240VAC 95 5 208VAC 96 0 240VAC 95 5 208VAC Night time tare loss 0 5W Environmental Operating temperature range Storage temperature range 25 55 13 131 F Max power Operating ambient 55 C 131 F Relative humidity Max 95 Mechanical Outdoor enclosure NEMA 3R Rainproof Cooling Natural Cooling fan Input and output terminals Accept wire size of 4 to 16 mm 10 to 6 AWG Weight Shipp ing weight 23 kg 27 kg 50 7 Ib 59 5 Ib Dimensions HxWxD Shipping dimensions HxWxD 732x454x175 mm 28 8x17 9x6 9 inches 840x540x275 mm 33 1 x21 3x10 8 inch
15. 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 3840U in this example on the LCD as shown below 50 MOTECH PVMate 384 00 3seconds After 3 seconds software versions of two embedded CPU s Sequential and Current controller will be displayed on the LCD And then the serial number of the inverter and the address for the communication port are displayed SEQ Version X XX CUR Version X XX 3seconds S N XXXXXXXXXXXX 3 seconds 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 display example shown below For the grid type setting please refer to section 2 3 Wiring the Inverter Grid Type L1 120V L2 120 3seconds 51 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 3seconds 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
16. 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 6 1 Fig 6 2 Fig 6 3 Fig 6 4 Keep the well wrapped DC and AC wires in store in the wiring Remove the screws and nuts bonding between the inverter and ate OTE ete 91 Un hang the inverter carefully eene 92 Locate the cover plate in place and fasten the screws 94 Re install the cover plate and fix it on the top of the wiring box 96 Hang the inverter onto the mounting bracket carefully 97 Fasten the screws and nuts bonding between the inverter and the wiring box for its construction and grounding continuity 98 Connect the AC wirings to their correct terminals individually 98 Fasten the screws of cover of the inverter first and the wiring DOK ANON poa pe nar URP 99 Step 1 Release the screw of the inverter 102 Step 2 Put the shield on the sides of the inverter 103 Step 3 Fasten the shields with the screws esses 104 An inverter with the weather proof shield 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 the
17. PVMate 38400 40000 82 5000 1 4500 4444 4000 3500 375VDC 240VAC S 3000 500VDC 240VAC MM 250VDC 240VAC 2 375VDC 208VAC 2 2000 500VDC 208VAC 1500 e 250VDC 208VAC 1000 500 0 25 50 53 55 60 65 7 75 80 Ambient Temp C Fig 5 3 3 Temperature derating curve of the PVMate 4900U 5000U 550 500 450 x 400 350 e 375VDC 240VAC 300 500VDC 240VAC S 4 250VDC 240VAC E e 250 375VDC 208VAC 200 500VDC 208VAC 150 e 250VDC 208VAC 100 50 0 25 5 53 33 60 65 7 75 8 Ambient Temp C Fig 5 3 4 Temperature derating curve of the PVMate 5300U 83 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 S P P gt VA L y a L A GFDI Fuse OPEN 2 k 1 oe Fig 5 4 1 1 Open the cap of the GFDI fuse holder Turn OFF the DC AC disconnect switch and breakers Wait for at least 5 minutes Exchange the fuses AB ww ome
18. Ra nen dede oils 9 2 2 MOUNTING A E E 11 2 3 WIRING THE INVERTER 1 2 nre dtes d Eigene ea e 18 2 3 1 Connection of the AC 24 2 3 2 Connection of the DC 26 2 3 2 1 Connection of the DC wires for Negative Ground iita ER ARRIERE Ut Ene uc A T Mt RA 29 2 3 22 Connection of the DC wires for Positive Ground Arrays 31 2 3 2 3 Connection of the DC wires for Negative Ground Arrays without Internal DC Fuses sess 33 2 3 2 4 Connection of the DC wires for Positive Ground Arrays without Internal DC Fuses sess 36 2 3 3 Connection of the Communication cable 39 2 4 WIRING INVERTER IN PARALLEL s esee nennen enne enne nennen 43 3 OPERATION E LZZLLLLLZLLLLITL ZELLE 44 S OVERVIEW 44 3 2 OPERATION FEAT RE rp 46 3 3 EED INDICATION enne Ie ee e eee een 47 3 4 ECD DISPLAY eme t 50 3 5 COMMUNICATION 66 3 6 EXPLANATIONS OF ERROR MESSAGES eene menester nennen nnn 66 4 WARRANTY INFORMATION nnn nnne nnn nennen nennen nennen nennen 70 5 TECHNICAL DOCUMENTATION nnn nnn nnn nnn nnn nnne nennen nennen 75 5 1 OUTLINE DRAWING enis i densa
19. The internal temperature sensor failed Memory failed EEPROM test failed The system failed The firmware version is not correct 68 Error Message Description CPU Delta Fac CPU Delta Vac CPU Delta GFDI CPU Delta Idc IpvH Driver Fault CalDataError CalDataLoss Ibuck Over Converter Error Internal measurement comparison error or defective hardware Over current on the DC side Driver circuit or power device failed Calibration data is out of range Calibration data is lost Internal converter over current DC DC hardware failed 69 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 2900U PG PVMate 5300U 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
20. The termination switch is default set to OFF position 39 Termination ON OFF RS232 Y Termination RJ45 L RJ45 R Fig 2 3 3 1 Positions of the communication ports and termination switch RJ45 L iri TXD RS232 RXD RS232 Not used GND GND Not used TX A RS485 RX B RS485 Top view amp QN RJ45 R in Factory reserved Factory reserved 5V GND GND 5V TX A RS485 RX B RS485 Top view ONDAN Fig 2 3 3 2 RJ 45 Pins and Signals 40 As shown in the figure 2 3 3 2 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 the remote PC or terminal when the RS 232 interface is selected The cable with the part number of WABG 09188 which is 180 cm 70 9 inches in length is dedicated for the communications between PVMate inverters PVMate 2900U PVMate 5300U and a computer Its wire connection between RJ45 and RS 232 is shown in the figure 2 3 3 3 If RS 485 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 Pin 5
21. Turn ON the DC AC disconnect switch and breakers 84 WARNING For continued protection against risk of fire replace only with the same type and ratings of fuse 600 VDC 1 A 5 4 2 Exchange of the PV String Fuses The PVMate inverter other than PVMate 2900U is shipped with up to four 4 15A 600 VDC PV string fuses for the PV strings For the PVMate 2900U it is shipped with three 3 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 85 nN oOo Ww Fig 5 4 2 1 Replacement of the PV string fuses Turn OFF the DC AC disconnect switch and breakers Wait for at least 5 minutes Remove the cover of the wiring box by following the steps described 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 Turn ON the DC AC disconnect switch and breakers 86 WARNING PV arrays is always energized when exposed to light therefor
22. 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 GFDI Protection and Self Detection Function All PVmate series products shell have GFDI protecting and self 46 detect function regarding to NEC Section 690 5 To active this function PVmate inverters must under a sufficient DC voltage to power on LCD on front panel and also the detect function To test and verify PVMate products please follows below instructions Remove the opaque dark material covered on PV array B Turn the switch on wiring box to OFF connect grid voltage onto PVMate C Switch AC DC Disconnect to on to apply DC and AC voltage If DC voltage is sufficient 3 LED will blink at the same time and then green LED starts blink and PVMate will enter to wait and self checking mode D PVMate will enter t
23. 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 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 88 o Fig 5 4 3 1 1 Remove the cover of the Inverter 89 Red wire Black wire u L2 wire L1 wire N wi IRURE Fig 5 4 3 1 2 Remove the DC and AC wires Insulating material Fig 5 4 3 1 3 Keep the well wrapped DC and AC wires in store in the wiring box 90 Fig 5 4 3 1 4 Remove the screws and nuts bonding between the inverter and wiring box 91 Un hang the inverter carefully Fig 54 3 1 5 o o 2 o o 92 cover plate cover plate mmm 57 8 lip
24. or parts to the Buyer 70 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 Damaged by external hazard or force majeure such as lightning strikes storm and or fire 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 71 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 Qualified service technician on site with digital measurement equipments including but not limited to dig
25. reaches 82 C 179 6 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 80 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 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 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 its output voltage might be higher than the AC hi
26. 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 minimum of three 3 screws is required 12 4 72 Q25 9 84 S 18 7 08 PUO 2 5 4 92 Na 4 7 0 76 5 1 fe 4 i amp a 759 QJ AE recentes 7 2 76 52 5 20 67 19 7 48 unit cm inch Fig 2 2 2 Inverter mounting bracket 13 ims m OG0ya1 s jz 1 170 66 93 jit rum unit cm inch The height of the anchor head lt 8mm 0 314 in Fig 2 2 3 Fasten the mounting bracket 14 Once the mounting bracket is attached to the wall the inverter can be located and fastened to the mounting bracket Slide the inverter over the mounting bracket flanges and down carefully to lock it in place Attach the screw through the hole as shown in figure 2 2 4 below Used to fasten both inverter and the wiring box together to the mounting bracket I gt AES 15 Slide the mounting pins on the inverter over the hooks on the mounting bracket T oRF x Ex
27. 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 between 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 101 6 Weather Proof Shield Optional Please follow the process to install the weather proof shield to protect the inverters which are installed in a special environment facing the threat of snowstorm from being damaged by severe weather Step 1 Release eight 8 screws used to fasten the inverter cover It is not necessa
28. types of 208 V and 240 V AC outputs with or 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 22 Note When connecting the PVMate inverter to the utility the voltage must be compatible Pl P2 P3 P1 P3 s 210 oY 240v 208V ej With Neutral Default EZ oe FAN Auto Default Fig 2 3 6 L mP P2 STEELE E i i mm 240V Withou eje X FAN On Neutral 208V Without Neutral Utility configuration jumpers 23 With Neutral With Neutral With Neutral 120 WYE 240 120 Split Phase 240 Delta 120 Stinger 4 240 Neutral 3 120 120 LAAAAAAK Ss SENN YNNN e s Oo 7 120 120 x JW NET SO Neutral E vA v eutra N ORE 4240 V Without Neutral Without Neutral 240 Delta 208 Delta aa YY t 1 Y 37 y i 7 X SA DB amp o Ay e J N P X N X Fig 2 3 7 Utility configurations 2 3 1 Connection of the AC cable Us
29. voltage 235 VDC adjustable Max input current 25A ax Input short circuit current 30A Number of fused string 4 inputs Efficiency m 96 6 240VAC 96 4 240VAC Max efficiency 96 4 208VAC 96 2 208VAC 9696 0 2A40VAC 9696 9 240VAC CEC efficiency 96 208VAC 95 5 208VAC Night time tare 0 5W loss Environmental Operating temperature range a DA Storage 25 9455 C 13 131 F temperature range Max full power operating 55 C 131 F 53 C 127 4 F ambient Relative humidity Max 9596 Mechanical Outdoor enclosure NEMA 3R Rainproof Cooling Cooling fan M Accept wire size of 4 to 16 mm terminals 410 to 6 AWG Cat PVMate 49000 PVMate5000U PVMate 53000 number Mechanical Weight Shipping 28 kg 32 kg 61 7 Ib 70 5 Ib weight Dimensions HxWxD 732x454x210 mm 28 8x17 9x8 3 inches Shipping dimensions 840x548x305 mm 33 1x21 6x12 inches HxWxD Interface Communication RS232 and RS485 Option with wireless Display LED LCD Positive ground inverters name PVMate PVMate PVMate 4900U PG 5000U PG 5300U PG 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
30. 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 Vl nL is the line to neutral rms low threshold voltage setting at which the inverter disconnects itself from the power grid when abnormally low line to neutral AC voltage is detected XXX XV lt XXX Cycs 3seconds 52 XXX XV lt XXX Cycs 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 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 dis
31. 0 6V 2V Input Current IDC 0 23000mA 100mA 23mA 200mA Grid voltage VAC 0 300V 0 1V 0 6V 1V Grid current IAC 0 19000mA 100mA 38mA 200mA Grid frequency Hz 45 65Hz 0 1Hz 0 004Hz 0 02Hz Output power W 0 5000W 1W 1W 30W Energy yield kWh 0 9 99x10 kWh 0 1kWh 2 2x10 kWh 1 Operating hours h 0 65535H 1H 1s 0 03 Specifications for PVMate 4900U PVMate 5000U PVMate 5300U Name Part PVMate 4900U PVMate 5000U PVMate 5300U number Grid output AC Grid voltage nominal 240 208 VAC Grid voltage 211 7264 0240VAC adjustable operating range 183 7228 0208VAC adjustable Grid frequency 60 Hz nominal Grid frequency 59 3 60 5 Hz adjustable operating range Max output 4900W 2240VAC 5000W 9240VAC 5300W 240VAC power 4300W 208VAC 4400W 208VAC 4600W 208VAC output 20 7 21 15 22 1A current Output over current 30A 30A protection Max output 25A 25A fault current Name Part number PVMate 4900U PVMate 5000U PVMate 5300U Grid output AC 6 Startup current 2A Max grid backfeed current Waveform True sine Power factor 20 99 nominal power Total Harmonic 0 Distortion lt 3 DC Component lt 0 5 Phase Split Phase or Single phase 240 Solar input DC Input voltage range 200 550 VDC Max input voltage 600 VDC PV start
32. 9 37 100 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 by sliding the bracket down and away from 11 the inverter as shown in the figure 2 2 1 below Back side of the inverter Mounting bracket Ml 0 5 n Mounting flanges Mounting slots for securing the inverter Mounting flanges 12 Fig 2 2 1 Remove the bracket from the inverter Use the bracket figure 2 2 2 as a
33. Owner s Manual PVMate Grid Connected Solar Inverter PVMate 2900U PVMate 5300U I4eTzSH aS Se SS Modern Technology for a Sustainable World SEE 2012 MOTECH rights reserved V2 4 Safety SAVE THESE INSTRUCTIONS This manual contains important instructions for Models PVMate 29000 PVMate 5300U 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 The temperature of the heat sinks outside of the device can reach over 70 158 F in normal operation Ambient temperature rating 55 C 131 F 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 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 th
34. 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 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 As shown in the figure 2 3 2 4 1 the JP14 and JP15 jumpers are placed on the higher positions to set to the positive ground And the red DC wire is connected to DCIN terminal and the black DC wire is connected to DCIN terminal 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 as shown in the figure 2 3 2 4 2 36 l feo Red wire connected to DCIN Black wire connected to AEN Fig 2 3 2 4 1 Positive Ground Setting and DC wires connections array without internal DC fuses connect to PV
35. ated Output Power 100 Fig5 2 5 Efficiency of the PVMate 4900U 500017 96 0 240V 100 95 2t L1 T T3 90 E 5 85 75 70 0 10 20 30 40 50 60 7096 80 90 100 of Rated Output Power Fig 5 2 6 CEC Efficiency of the PVMate 4900U 5000U 96 0 208V 78 Efficiency 100 95 90 85 80 75 70 0 10 20 30 40 50 60 70 80 90 of Rated Output Power 100 Fig 5 2 7 CEC Efficiency of the PVMate 5300U 96 0 240V Efficiency 100 e 9 a a a eo 75 70 0 10 20 30 40 50 60 70 80 90 of Rated Output Power 100 Fig 5 2 8 CEC Efficiency of the PVMate 5300U 95 5 208V 79 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 exceeds 78 C 172 4 F the system will 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
36. connect its output from the AC grid 53 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 xX 3seconds 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 is are cleared VpvStart XXX XV Reconnect XXXs 3 seconds 54 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 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 accep
37. d 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 Monitoring 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 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 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 44 Grid MPPT Fault Idle mode after a grid failure otherwise it takes 20 seconds normally If any parameter except the DC input voltage is under the threshold value the inverter goes to Fault 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 th
38. e 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 andenter 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 45 3 2 It needs service personnel coming to remove the problems and put the system back to operation Operation Feature Anti Island 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 causes an automatic shutdown of the inverter when there is an electrical disturbance on the utility grid This is
39. e 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 Earth ground symbol Caution refer to accompanying documents Presents information to prevent damage to this product 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 reconfigure or repair this device Licensed electricians are 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 Use proper lifting techniques whenever handling enclosure equipment or parts The PVMate inverter must be provided with an equipment grounding conductor connected according to local codes and regulations 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 The AC Neutral connection is only for voltage sensing and shall be neither used to carry currents nor bonded to ground inside the inverter The list does not contain all
40. e 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 AN The string fuse size 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 87 and the packing materials A copy of the purchase invoice is also required to be included in the package 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
41. e the following procedure to wire the AC cables Open the Distribution panel and switch off the circuit breaker used to connect the inverter to the grid Use 10 AWG to 6 AWG 90 C 194 F copper wire for all AC wiring connections to the PVMate inverter Connect the cable GND to the screw of the ground bar labeled Connect the cable N to the terminal labeled N of the AC terminal block 24 L1 wire connected to L1 terminal L2 wire connected to L2 terminal N wire connected to N terminal Equipment ground wire connected to ground bar Fig 2 3 1 1 AC Terminal Block for AC cable connections 5 Connect the cable L1 to the terminal labeled Line1 of the AC terminal block 6 Connectthe cable L2 to the terminal labeled Line2 of the AC terminal block 7 Tighten the screws with a torque of 1 7Nm 15 6 in Ib 8 Reconfirm that all connections have been performed properly as described above and all screws are properly tightened 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 CAUTION Ensure that the total impedance of the grid and the interconnected AC power cable shall be
42. ed 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 95 cover plate ia am a LE cover plate Fig 5 4 3 2 1 Re install the cover plate and fix it on the top of the wiring box 96 Fig 5 4 3 2 2 Hang the inverter onto the mounting bracket carefully 97 Fig 5 4 3 2 3 Fasten the screws and nuts bonding between the inverter and the wiring box for its construction and grounding continuity Black wire connected to ACIN L2 Red wire connected to ACIN L1 White wire connected to ACIN N Sargent Fig 5 4 3 2 4 Connect the AC wirings to their correct terminals 98 individually T Fig 5 4 3 2 5 Fasten the screws of cover of the inverter first and the wiring box then 99 1 Turn off all DC AC disconnect switch and breakers 2 Remove the front cover of the
43. es Interface Communicati RS232 and RS485 Option with wireless on Display LED LCD Positive ground inverters PVMate PVMate PVMate PVMate Model name 2900U PG 3000U PG 3840U PG 4000U PG 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 96 108 75 110 110 1 Under voltage 85 90 88 1 Over voltage Reconnect voltage 105 83 110 105 83 1 Under voltage Reconnect voltage 85 91 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 9712 9 1 Under frequency clearing time cycle 9718000 9 1 AC high voltage limit 96 1007110 109 1 Reconnect delay s 107600 20 0 01 PV start voltage VDC 200 600 235 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 voltage VDC 0 640V 0 1V
44. ge 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 between 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 67 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
45. gh 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 81 375VDC 240VAC 500VDC 240VAC 250VDC 240VAC gt 375VDC 208VAC 500VDC 208VAC e9 250VDC 208VAC Power W ES Ca C oC lt a 2 25 50 55 60 65 70 75 80 Ambient Temp C Fig 5 3 1 Temperature derating curve of the PVMate 2900U 3000U 4000 5 5 3700 3100 Tij 2800 375VDC 240VAC 20m 500VDC 240VAC 1900 ms 250VDC 240VAC 1600 375VDC 208VAC 1300 500VDC 208VAC 1000 e 250VDC 208VAC Power W 700 400 100 200 tt 5 50 53 55 60 65 70 75 80 Ambient Temp C Fig 5 3 2 Temperature derating curve of the
46. ital voltmeter and current clamp meter 2 Isolation of the inverter from the external electrical environment under the guidance of a qualified service representative 3 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 72 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 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 re
47. ld 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 21 WARNING A 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 PV arrays will be energized when exposed to light Cover the arrays with opaque dark material during installation and wiring Before wiring the PVMate inverter it is necessary to determine the utility configuration that the inverter will be connected to The PVMate inverter is default set for utility interconnection with neutral However it may be reconfigured for the utility without neutral The utility configuration jumper block J210 is located on the control board as shown in the figure 2 3 6 are 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
48. less than 1 25Q 25 WARNING According to the 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 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 of the DC cable The wiring box of the PVMate inverter is designed to have a pair of the DC terminal blocks which support up to four 4 independent PV strings to be connected in parallel in the wiring box and then feed into the inverter The PVMate inverter other than PVMate 2900U is shipped with up to four 4 15A 600 VDC PV string fuses for the PV strings For the PVMate 2900U it is shipped with three 3 15A 600 VDC PV string fuses and therefore the fourth pair of terminals from left as shown in figure 2 3 2 1 shall not be used to connect to the PV string Please refer to the section 5 4 2 for the replacement of the PV string fuses 26
49. ll then shut itself down The PVMate inverter will be awakened automatically should the input DC voltage rise above the pre set threshold value 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 Utility Grid Meter Photovoltaic PVMate Inverter Fig1 1 1 Grid Connected Solar System Overview 1 2 Specifications Specifications for PVMate 2900U PVMate 3000U PVMate 3840U PVMate 4000U Name Part number PVMate 2900U PVMate 3000U PVMate 3840U PVMate 4000U Grid output AC Grid voltage nom 240 208 VAC Grid voltage operating range 211 264 240VAC adjustable 183 228 208VAC adjustable Grid frequency nom 60 Hz Grid frequency operating range 59 3 60 5 Hz adjustable Max output power 2900W 240 VAC 2700W 208 VAC 3000W 240 VAC 2800W 208 VAC 3840W 0240 VAC 3330W 0208 VAC 4000W 9240 VAC 3500W 2208 VAC Max output current 13A 13 5A 16A 16 8A Output over current protection 20A 25A Max output current fault 15A 20A Startup current 2A Max
50. 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 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 Attach 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
51. 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 is strong enough to sustain the inverter with 32 kg 70 5 Ib weight Avoid mounting the inverter on a location directly exposed to sunlight to maintain the ambient temperature of the inverter within 25 and 55 C 13 and 131 F Humidity shall be within 096 and 9596 WARNING A 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 over 70 C 158 F WARNING A 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 10 ceiling j SE 50 19 69 Korzon 20 7 87 20 7 87 90 35 43 wall uf 100 3
52. n Idle mode Yellow O Red x Green e Night Time There is no DC power coming from Yellow e PV array System is powered off Red e O LED ON LED OFF X DON T CARE 3 LED ON OFF 0 9 0 1 Sec LED ON OFF 0 25 0 25 Sec X LED ON OFF 0 1 0 9Sec 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 that 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
53. n fed into the utility grid with any excess power The PVMate 2900U PVMate 5300U are the members of the family for the North American 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 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 1 AC power into the grid When the input DC voltage falls below the minimum MPP voltage setting the PVMate inverter wi
54. nd DC wire connections connect to PV connect to PV Fig 2 3 2 2 2 terminal blocks for DC cable connection in Positive Ground CAUTION The Positive Polarities of the DC input voltage from a PV string shall be correctly connected to the GROUNDED 32 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 Q Tighten the screws with a torque of 1 7Nm 15 6 in lb 2 3 2 3 Connection of the DC wires for Negative Ground Arrays without Internal DC Fuses PVMate inverter provides a way of PV arra
55. nnected 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 bar 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 As shown in the figure 2 3 2 2 1 the JP14 and JP15 jumpers are placed on the higher positions to set to the positive ground And the red DC wire is connected to DCIN terminal and the black DC wire is connected to DCIN terminal In this case the positive polarity of the DC input voltage from the PV string shall be connected to GROUNDED CONDUCTOR terminal and the 31 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 2 mes n mom gom ps Tru id Tid Red wire connected to Black wire connected to DCIN DCIN Fig 2 3 2 2 1 Positive Ground Setting a
56. o Grid MPPT mode after 30 seconds if there is no Grid fault detected and Green LED will stop blinking remain on and PVMate will begin to operate normally If Grid fault was detected PVMate will wait for 5 minutes prior to re start If LCD display does not light up then follow instructions given on page 37 and 38 to check DC wiring type 3 3 LED Indication There are three LED s on the front panel of the PVMate inverter 47 PVMate 3840U in this example 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 48 LED Indication Table LED indicators Operating status Description Green e Initialization The PVMate inverter is in Yellow initialization Red n Green Hu System Check The inverter is in System Check Yellow e mode mode Red e Green le Monitor mode The inverter is in Monitoring Yellow e mode Red e Green Grid MPP mode The inverter is in Grid Feeding Yellow e mode Red e Green x Warning Warning is detected Yellow Xt Red e Green Low Insolation The inverter is in low insolation Yellow e Red e Green e Fault mode The inverter is in Fault mode Yellow Ground Fault Ground fault detected Yellow x Red Q Green O Idle mode The inverter is i
57. o 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 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 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 Contents 1 INTRODUCTION 9 oo ron en oo rnnt ohh anna 1 1 1 GENERAL teret er Petr rd ro e GR i OR DU ERE 1 1 2 SPECIFIGATIONS eere n a re eo oe erre exeo e here 2 1 3 ACCESSORIES i 1 1 cca 9 2 INSTALLATION s rssscccsssccscccecsscccccescssccsccescnscsscnescsscnsccessssosssessssessscersssesssnessssess 9 2 1 PLACEMENT ARR RRA
58. on function For the FAN BLOCK message it shows that the fan has stopped running These warnings could be happening simultaneously Warning EEPROM 60 Warning COMM Warning FAN BLOCK 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 S N XXXXXXXXXXXX 3seconds SEQ Version X XX CUR Version X XX 3seconds 61 Fault message 3seconds 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 62 X HorL 3seconds Trip at Present 3seconds The message below shows the PV DC voltage is too high 3seconds at Present 3seconds The following message indicates that the AC line1 and or line2 voltage to neutral is are t
59. oo high H or too low L 63 Fault VacL2 X HorL 3seconds 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 S N XXXXXXXXXXXX 3seconds SEQ Version CUR Version 3seconds Idle message 3seconds 64 Initial Mode MOTECH PVMate 39000 Y SEQ Version CUR Version X X Y S N ADDRESS Y v VpvStart XXX XV Reconnect XXXs lt 3 seconds lt 3 seconds lt 3 seconds lt 3 seconds lt 3 seconds System Check Mode Mode System Checking Fig 3 4 1 Monitoring Mode Y Mode Monitoring NextConnect XXXs y 4 3 seconds Vpv XXX V 3 seconds Vac Fac 3 seconds Grid MPPT Mode Lee 4 Yy erating Mode Grid MPP 4 3 seconds Vpv Wpv 3 seconds Vac j Pac j 3 seconds Fac XX X Hz Iac XX X A lt Etoday XXX X kWh Htoday XX X Hr 4 3 seconds Eac XXXXXX X kWh H XXXXX Hr 65 gt Y Mode Fault S N XXXXXXXXXXXX 3 SEQ Version X XX CUR Version X XX Fault Mode L
60. ove the covers for the cable through holes 20 Wiring box front view essent 21 Utility configuration jumpers eese 23 Utility configurations iie eph 24 AC Terminal Block for AC cable connections sess 25 PVMate 2900U supports only three 3 PV string fuses 27 PV terminal eene 28 Negative Ground Setting and DC wires connections 30 DC terminal blocks for DC cable connection in Negative Ground iue tenete deese 30 Positive Ground Setting and DC wire connections 32 DC terminal blocks for DC cable connection in Positive Ground iege rro e REPRE re 32 Negative Ground Setting and DC wires connections array without internal DC fuses eese eene 34 DC terminal blocks for DC cable connection in Negative Fig 2 3 24 1 Fig 2 3 2 4 2 Fig 2 3 3 1 Fig 2 3 3 2 Fig 2 3 3 3 Fig 2 3 3 4 Fig 2 4 1 Fig 3 3 1 Fig 5 1 1 Fig 5 2 1 Fig 5 2 2 Fig 5 2 3 Fig 5 2 4 Fig 5 2 5 Fig 5 2 6 Fig 5 2 7 Fig 5 2 8 Fig 5 3 1 Fig 5 3 2 Fig 5 3 3 Fig 5 3 4 Fig 5 4 1 1 Fig 5 4 2 1 Fig 5 4 3 1 1 Ground array without internal DC Fuses esee 34 Positive Ground Setting and DC wires connections array without internal DC fuses eese 37 DC terminal blocks for DC cable connection in Positive Ground array without internal DC Fuses
61. placement 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 73 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 features 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 74 5 Technical Documentation 5 1 Outline Drawing E 14 6 5 73 e 25 9 84 45 4 17 87 E I 12 5 4 92 NU 9 4 3 7 1 oreo o T m mem J T b d b J lb E b b d db b p s 2 e AMA gt B S 7 RO NA
62. ry to remove the let the inverter cover And be careful Don t drop the cover down and hurt yourself Notice Don t throw these eight 8 screws away The screws will be used to fasten the shields later E n Fig 6 1 Step 1 Release the screw of the inverter cover 102 Step 2 Put the shields on the sides of the inverter and cover the air vents The big one is used for the upper vent and the small on is for the lower oe Fig 6 2 Step 2 Put the shield on the sides of the inverter Step 3 Fasten the shields with the screws from step 1 103 Fig 6 3 Step 3 Fasten the shields with the screws Step 4 Finish The inverter is protected from the attack of snow Fig 6 4 An inverter with the weather proof shield 104 OT Modern Technology for a Sustainable World OO MOTECH INDUSTRIES INC 6F NO 248 Sec 3 Bei Shen Road Shen Keng Dist 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 ZOMG 8253UMTUS2
63. sed 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 38 must be removed 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 that 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 there are two RJ 45 connectors RJ45 R and RJ45 L that are located on the bottom of the wiring box The pin numbers of the RJ 45 connectors 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 within 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
64. string shall be connected to the terminal labeled GROUNDED CONDUCTOR as shown in the figure 2 3 2 1 2 29 Tuum punoi6 anyebon Black wire connected to DCIN Red wire connected to DCIN Fig 2 3 2 1 1 Negative Ground Setting and DC wires connections connect to PV connect to PV UNGROUNDEDE GROUNDED CONDUCTOR CONDUCTOR Fig 2 3 2 1 2 DC terminal blocks for DC cable connection in Negative Ground 30 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 co
65. table 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 55 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 VW 3seconds 3seconds 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 Insolation 3seconds 56 Vpv XXX VW 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 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 57 3seconds 3seconds The next message shows the cumula
66. ted 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 58 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 rating 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 message shows that the power de rating is caused by restricting the DC input 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 59 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 communicati
67. wiring box by following the steps described in section 2 3 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 4 Remove the cover of the inverter and then hung it on the mounting bracket as shown in the figure 5 4 3 2 2 5 Tighten the screws and nuts with a torque of 1 7Nm 15 6 in Ib when performing the following items 6 7 and 8 6 Fasten the original 2 screws by a cross driver and the 2 nuts by a 7 mm wrench as shown in the figure 5 4 3 2 3 7 If it is originally negative ground then connect the RED DC wire to the terminal labeled DCIN and connect the BLACK DC wire to the terminal labeled DCIN 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 DCIN terminal and connect the black DC wire to the DCIN terminal as shown in the figure 2 3 2 2 1 Please refer to the section 2 3 2 for further details 8 For the AC wire connections the red Vac wire shall be connected to the terminal labeled ACIN L1 black Vac wire must be connected to the ACIN L2 terminal and the white Vac wire must be connected to the ACIN N terminals as shown in the figure 5 4 3 2 4 9 Put the covers of the wiring box and inverter back and fasten the screws as shown in the figure 5 4 3 2 5 10 Turn ON the DC AC disconnect switch and breakers WARNING 100 PV arrays is always energized when exposed to light
68. wn in the figure 2 3 4 for the DC and AC cables feeding through the threaded conduit holes when wiring the inverter hic e i ff 2 ri Kb 6 A 77 Sf Fig 2 3 4 Remove the covers for the cable through holes 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 2900U PVMate 5300U There is a pair of 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 4 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 20 PV String Fuse AC Terminal Block RJA5 L RI45 R Fig 2 3 5 Wiring box front view 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 shou
69. ys connections without internal DC fuses for negative ground when external DC fuses are used As shown in the figure 2 3 2 3 1 the JP14 and JP15 jumpers are placed on the lower positions to set to the negative ground and the red DC wire is connected to DCIN terminal the black DC wire is connected to DCIN terminal In this case the positive polarity of the DC input voltage from the PV string shall be connected to the terminal labeled UNGROUND CONDUCTOR WITHOUT STRING FUSES 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 2 33 MOTSSH I mo mom Tua 27 Black wire connected to DCIN Red wire connected to DCIN Fig 2 3 2 3 1 Negative Ground Setting and DC wires connections array without internal DC fuses connect to PV connect to PV

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