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Installation

29

users manual inverter SE2.8i - SE3.8i - SE4i - SE5i

2.4 Wiring inverter in parallel

SE 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.

Fig 2.4.1 Parallel configuration of inverter

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Summary of Contents for se2.8i

Page 1: ...nverters...

Page 2: ...ppreciates your support for our products truction manual carefully in its entirely before handling the Inverter...

Page 3: ...in normal operation There is the risk of burn injury by ed during all phases of operation service installation and repair of this device Failure ngs elsewhere in this manual violates safety standards...

Page 4: ...ent or parts ding conductor and a DC grounding connection The grounded conductor may be d e safe operation of the device If special problems arise which are not described in ur specialized dealer or t...

Page 5: ...el trained and authorized by SILIKEN and maintenance of the unit Please return the device for overhaul if some fault is ed above For the replacement of the fuse please refer to the section 5 3 sembly...

Page 6: ...t terminals marked UNGROUNDED Make sure the DC voltage that PV arrays generate is equal to or less than s away from any possible hazards that could damage the cables er disconnection of all PV DC inpu...

Page 7: ...e ection of the DC wires for Negative Ground Arrays ection of the DC wires for Positive Ground Arrays of the communication cable Parallel 8 8 9 10 11 12 12 13 16 20 20 23 24 26 29 30 Table of Contents...

Page 8: ...ror Messages n on f the GFDI Fuse vice ve the Inverter tall the Inverter 30 31 31 35 50 55 55 57 61 61 64 65 69 69 70 70 74...

Page 9: ...er starts and goes through System Check mode and ached During this time the SE inverter will not generate AC power Once all conditions er goes into the Grid MPP mode and begins feeding the AC power in...

Page 10: ...stics SE2 8i SE3 8i SE4i SE5i 96 4 96 5 IP 44 0 5 W Forced ventilation LED LCD RS232C RS485 20 C a 55 C without derating Maximum 95 Optional Bolted terminal MC4 Bolted terminal 768 x 454 x 175 mm 23 K...

Page 11: ...NA 20 235 0 SE xxE ES RD1663 RD661 253 0 196 0 51 0 48 0 8 8 5 5 250 7 0 NA 180 235 0 The period of time for the SE inverter to disconnect from the grid and enter the Monitoring mode after the detecti...

Page 12: ...11 1 pc 1 pc...

Page 13: ...s between ventilation see figure 2 1 1 nough to sustain the inverter xposed to sunlight to maintain and 65 C 13 F and 149 F wer loss ncrete or a masonry wall with ve liquids and or gases oses to flamm...

Page 14: ...13 er on the wall hed mounting bracket must be removed by sliding the bracket down and away from moval of the mounting bracket from the inverter...

Page 15: ...in the wall After drilling the holes the ened to the wall with anchors as shown in the figure 2 2 3 A minimum of three 3 Fig 2 2 3 Fasten the mounting bracket 7 2 76 12 4 72 19 7 48 unit cm inch 7 08...

Page 16: ...erter can be located and fastened to the mounting bracket Slide the inverter over it in place Attach the screw through the hole as shown in figure 2 2 4 below used to ounting bracket d secured with th...

Page 17: ...has DC AC disconnect switch built on but there is no MC4 connectors disconnect switch nor MC4 DC connectors built on Both DS and S types of wiring boxes wirings with the wire size in the range of 10...

Page 18: ...on 17 OFF Fig 2 3 3 Remove the cover of the wiring box...

Page 19: ...nual inverter SE2 8i SE3 8i SE4i SE5i nted foreign body must stuff up all those unused cable glands or MC4 connectors ories when the wiring work is almost completed See figure 2 3 4 Fig 2 3 4 Sealing...

Page 20: ...installations ulated by local distribution network operator DNO and follow the important safety uctions in this manual RNING er the DNO s inspection authority a dedicated circuit breaker must be insta...

Page 21: ...AC wiring connections to the SE inverter ar labeled C terminal block AC terminal block properly as described above and all screws are properly tightened Installation user s manual inverter SE2 8i SE3...

Page 22: ...ion 1 2 Specifications Output over current s may be connected to the circuit breaker a pair of the DC terminal blocks which support up to four 4 three 3 for SE 2 8i e wiring box and then feed into the...

Page 23: ...airs can be connected to the SE inverter as shown in the figure 2 3 2 1 The und for PV strings connections The JP14 and JP15 jumpers are used for the settings Installation user s manual inverter SE2 8...

Page 24: ...JP15 jumpers are placed the red DC wire is connected to the DCIN terminal the black DC wire is connected of the DC input voltage from the PV string shall be connected to the terminal labeled y of the...

Page 25: ...ual inverter SE2 8i SE3 8i SE4i SE5i GROUNDED CONDUCTOR make any connections anywhere in the PV system Wire nuts are a frequent cause of nd faults Fig 2 3 2 1 2 DC terminal blocks for DC cable connect...

Page 26: ...And the red DC wire is connected to DCIN terminal and the black he positive polarity of the DC input voltage from the PV string shall be connected to olarity of the DC input voltage from the PV string...

Page 27: ...any connections anywhere in the PV system Wire nuts are a frequent cause of d faults ndards RS 232 and RS 485 that will be used to communicate to the remote computer n work at a time As shown in the f...

Page 28: ...nnection between RJ45 and RS 232 is shown in the figure tion interface both RJ 45 connectors will be used for the cascaded RS 485 connections evice within the RS 485 loop then the termination switch s...

Page 29: ...Fig 2 3 3 4 RS 485 connection Installation user s manual inverter SE2 8i SE3 8i SE4i SE5i...

Page 30: ...arallel configuration each inverter shall connect to its own to more than one inverter This may cause the inverter to work abnormally The figure nd PV arrays in parallel configuration 2 4 1 Parallel c...

Page 31: ...rs the Monitoring mode In this operating mode the inverter monitors all parameters ing to the mains is safe All conditions must be fulfilled and last for a certain period of nfirms that all conditions...

Page 32: ...ety feature which is primarily meant to prevent d wires wer factor PF 1 to the utility during operation The inverter continues sensing the rrent waveform in phase with the utility voltage ar energy SE...

Page 33: ...Operation user s manual inverter SE2 8i SE3 8i SE4i SE5i Operation Failure Ground Fault SE 2 8i SILIKEN SE2 8i Inverter g 3 3 1 Front panel of the SE inverter...

Page 34: ...N N Y Y Y The SE inverter is in initial mode The inverter is in System Check mode The inverter is in Monitoring mode The inverter is in Grid MPP mode Power de rating is performed Warning is detected...

Page 35: ...The inverter is in Fault mode Ground fault detected The inverter is in Idle mode There is no DC power coming from PV array System is powered off on 1 The invertere is in low insolation 2 Vac is highe...

Page 36: ...regular em Check and Monitoring mode and a fault condition that could be cleared automatically ure The system will return to regular procedure once the fault condition is cleared tected due to the gr...

Page 37: ...CUR controller will be displayed on the LCD ddress ID for the communication port will be displayed 3 seconds 3 seconds e system enters the System Check mode which is then indicated on the LCD E t e C...

Page 38: ...message will be the Monitoring mode If all data needed for grid feeding is in the acceptable range of time The following information tells users that the system will go into the Grid MPP data of the D...

Page 39: ...SE4i SE5i 3 seconds 3 seconds 3 seconds er the PV start voltage setting the system stays in this mode and shows the information meters of both DC and AC and display on the LCD X X V o r e i n g I n t...

Page 40: ...uality monitoring seconds in grid MPP mode the SE inverter shall return to Monitoring mode and display age decreases and below the voltage quality monitoring setting for at last 300 seconds e connect...

Page 41: ...ation user s manual inverter SE2 8i SE3 8i SE4i SE5i 3 seconds 3 seconds 3 seconds ow the following information in order and repeatedly until the system goes to other X X V e M P P X X X X X X X V H z...

Page 42: ...o messages are for the PV arrays and the other two es from PV array Wpv is the incoming power of PV array in watts Vac Pac Iac and he inverter feeds to the grid 3 seconds 3 seconds 3 seconds X X X V X...

Page 43: ...e the 3 seconds and period of time in hours for the inverter delivering the power to the grid up to date 3 seconds hown if power de rating is detected in Grid MPP mode Only one occasion that causes e...

Page 44: ...ting is caused The Iac and Pac messages illustrate the power de rating is caused due to restriction H message shows that the power de rating is caused by the high AC voltage r a t n e g i e D p r a t...

Page 45: ...the COMM message it represents failure of the communication function an has stopped running These warnings could be happening simultaneously hows the fault mode serial number of the inverter software...

Page 46: ...stem going into the Fault mode Such as the messages o high H or too low L And after three 3 seconds the message shows the present go into Fault mode 45 F a l e t u n X X X o i X X X X X X X X X X X X...

Page 47: ...nverter SE2 8i SE3 8i SE4i SE5i X H or L 3 seconds 3 seconds H or too low L And after three 3 seconds the message shows the present voltage mode X H or L 3 seconds p a t F a l e t u X H z X X X s n t...

Page 48: ...seconds igh 3 seconds 3 seconds e operating mode serial number of the inverter software versions of the sequential 47 p a t X V X X X s n t X V X X X e F a l e t u H p a t X V X X X s n t X V X X X e...

Page 49: ...rter SE2 8i SE3 8i SE4i SE5i messages which are listed in the Error Message Table on section 3 7 3 seconds 3 seconds 3 seconds I l e e d X X X X X X X X X X X X n X X X o i s r e V n X X X o i s r e V...

Page 50: ...XX S N 23WWYYXXX BR XXXXX ID XXX Low Insolation Mode System Checking onitoring solation Mode Monitoring NewtConnect XXX s Vpv XXX V Vac XXX X V Fac XX X Hz Mode Grid MPP Derating Vpv XXX V Wpv XXXX W...

Page 51: ...ecution file SE Inverter Auto Test created in ver exports power to the AC grid To begin with the relays will close to conduct the sts Afterward the relays will open if this max AC voltage test is comp...

Page 52: ...51 r when communicated successfully Whichever the preceding mode it is clicking the nitoring mode automatically serial number if more than one inverter is found And then click the START button...

Page 53: ...yed on the PC screen before the Auto Test or decrease are 0 05 Hz s for frequency and 1 V s for voltage starting from the o Test the threshold value changes linearly and the measured values of the AC...

Page 54: ...53...

Page 55: ...Fault mode and stop the test until the START button is clicked to restart remaining sub tests automatically after 5 seconds age will be shown on the LCD lt mode and the error message will display on t...

Page 56: ...the error message on the LCD Qualified service ug if needed according to the error message in order to resume normal conditions It referring to the table below and then remove the fault condition s to...

Page 57: ...The ground fault fuse will be blown urrent injected into the AC grid is detected C bus voltage is over the upper limit mmunication failed atchdog function triggered ection current monitoring function...

Page 58: ...repair or replace the Product or issue a credit note for ment parts for the Product ct or parts thereof to SILIKEN in accordance with the return procedure specified below aced Product or parts to the...

Page 59: ...ectly After your application is received the service will be n field Problem isolation processes include urement equipments including but not limited to digital voltmeter and current clamp vironment u...

Page 60: ...rchased within 90 days if it is purchased after 90 days ve for the replacement inverter or parts ll be returned at the shipper s expense r costs are covered by the warranty in effect Once the warranty...

Page 61: ...al inverter SE2 8i SE3 8i SE4i SE5i RRANTY REGISTRATION FORM hanges in product technologies as well as new developments in software and features nformation about your inverter Please register immediat...

Page 62: ...61 M SE 2 8i DS Fig 5 1 2 Outline Drawing of SE2 8i DS SE 3 8i DM Fig 5 1 4 Outline Drawing of SE3 8i DM...

Page 63: ...Technical Documentation user s manual inverter SE2 8i SE3 8i SE4i SE5i 3 8i DS SE 3 8i S Fig 5 1 6 Outline Drawing of SE3 8i S M SE5i DM SE 4i DS SE5i DS Fig 5 1 8 Outline Drawing of SE4i DS SE51 DS...

Page 64: ...63 E5i S...

Page 65: ...ficiency of the SE5i Fig 5 2 4 European Efficiency of the SE5i 95 8 80 90 100 220 Vdc 350 Vdc 450 Vdc 85 87 89 91 93 95 97 99 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power of Efficiency 220 V...

Page 66: ...y to check whether the inverter is mounted at an appropriate place with good xceed the maximum limit the SE inverter will restrict it to the operating limit in order ns frequently it is necessary to c...

Page 67: ...thinner wirings its output voltage might be higher than the over voltage setting n instead of abnormal voltage happened in the grid SE inverter provides a setting of of over voltage Once the AC volta...

Page 68: ...67 2 Temperature derating curve of the SE3 8i 3 Temperature derating curve of the SE4i 55 60 65 70 75 80 85 Ambient Temp C 500VDC 375VDC 250VDC 55 60 65 70 75 80 85 Ambient Temp C 500VDC 375VDC 250VDC...

Page 69: ...Technical Documentation user s manual inverter SE2 8i SE3 8i SE4i SE5i 4 Temperature derating curve of the SE5i 55 60 65 70 75 80 85 Ambient Temp C 500VDC 375VDC 250VDC...

Page 70: ...e and the breakers and wait for at least 5 minutes for system to discharge 69 replace only with the same type and ratings of fuse 600 VDC 1 A rn OFF the DC AC disconnect switch and breakers ait for at...

Page 71: ...hook back the inverter with the wiring box remaining on the wall wiring box and removed from the mounting bracket It must wait for at least five 5 ct switch and breakers are switched OFF and before op...

Page 72: ...71 4 2 1 1 Remove the cover of the Inverter 5 4 2 1 2 Remove the DC and AC wires...

Page 73: ...Technical Documentation user s manual inverter SE2 8i SE3 8i SE4i SE5i well wrapped DC and AC wires in store in the wiring box crews and nuts bonding between the inverter and wiring box...

Page 74: ...73 5 4 2 1 5 Un hang the inverter carefully cate the cover plate in place and fasten the screws...

Page 75: ...ent from the electric shock Pull in those disconnected wires inside nuts by a 7 mm wrench so that the inverter can be taken apart from the wiring box as own in the figure 5 4 2 1 5 o cover the through...

Page 76: ...75 tall the cover plate and fix it on the top of the wiring box...

Page 77: ...nical Documentation user s manual inverter SE2 8i SE3 8i SE4i SE5i ang the inverter into the mounting bracket carefully ng between the inverter and the wiring box for construction and grounding contin...

Page 78: ...77 t the AC wirings to their correct terminals individually crews of cover of the inverter first and the wiring box then...

Page 79: ...wire to the terminal ositive ground system then connect the red DC wire to the DCIN terminal and connect e figure 2 3 2 2 1 Please refer to the section 2 3 2 for further details be connected to the te...

Page 80: ...of ct the DC and AC wires between them The wires been disconnected must be wrapped om the electrical shock nting bracket the through holes of the wires on top of the wiring box must be covered of the...

Page 81: ...Notes user s manual inverter SE2 8i SE3 8i SE4i SE5i...

Page 82: ......

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