Xantrex Technology STXR2500 manual

Xantrex Sun Tie XR STXR1500 STXR2500 Installatio n and Op erati on Guide[...]

Sun Tie XR Installation and Operation Guide[...]

About Xant rex Xantrex T echnology Inc. is a world-leading supp lier of advan ced power electronics and controls with prod ucts from 50 watt mobile units to one MW utility-scale systems for wind, solar , batteries, fuel cells, microturbines, and backup power applications in b oth grid-connected and stand-alone systems. Xantrex pro ducts include inv[...]

About This Guide Purpos e The Sun T i e XR In stallation and Operation Gui de contai ns information f or a qualifie d instal ler and authori zed service pe rson to inst all, oper ate and t r oubl eshoot the Xantr ex Sun T ie XR. Scope The guide p r ovide s safety guidelin es, installation , operati on, troubleshooting, and warr anty i nforma tion f[...]

About T his Gu ide ii 975-0053-01-01 Organization This guid e is organi zed into four chapters a nd two append ixes: Chapter 1 , “Introduct ion” , ou tlines t he main performanc e and safet y featur es of the Sun Ti e XR. Readi ng this c hapter will giv e you a cle a r underst anding of the inv erter ’ s capabili ties. Chap ter 2, “Ins tall[...]

About T h is Guide 975-0053-01-01 iii Rela ted Info rmation Y ou can fi nd more information a bout Xantrex T echnology Inc. and its products and services at www .xantrex .com Note: Notes des cribe additional information which may add t o your underst a nding of how to install or use th e Sun T ie XR.[...]

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1 Introduction Abo ut the Su n Tie X R- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–2 Stan dard Fe ature s - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–3 Acce ssori es - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -[...]

Conte nts vi 975-0053- 01-01 Facto rs Af fecting Sun T ie XR P erform ance - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3 –10 PV Arr ay Fa ctors - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–10 Othe r Facto rs - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -[...]

Important Safety Instructions For safe i nstallat ion and opera tion: • All e lectric al work must be d one in a ccordance with local a nd nationa l electric al codes. • Before in stalling or u sing this d evice, read all in structions and ca utionary markings located in the manual, on t he Sun T ie XR and on the PV array . W ARN ING: SA VE TH [...]

Important Safety Instructions viii 975-0053-01-01 • Do not expose th is unit to rain, snow o r liquid s of any type wi thout the Rain Shield install e d. The Rain Shie ld does not, ho wever , make the Sun T ie XR water proof. • T o reduc e the ch ance of short ci rcuit s when instal ling or worki ng wit h the inve rter or the PV ar ray , use in[...]

Introduction Chapter 1, “Introduction” , describes the standard feat ures and accessorie s for the Sun T i e XR.[...]

Introduction 1–2 975-0053-01-01 About the Sun Tie XR The Xantre x Sun T ie XR grid- connect s olar inverter is desig ned to convert a home or business into a “green” po w er g eneratin g station. The Sun T ie XR conver t s so lar electric (photovolta ic, or PV) power i nto utili ty-grade electricit y that can be used by the home or sold to th[...]

About the Sun Tie XR 975-0053-01-01 1 – 3 Standard Features All-in- one desig n All nece ssary DC input a nd AC output c onnections, disc onnects an d circui t breaker s are housed with in the Sun T ie XR’ s eas ily inst alled, compact en closure. A built -in LCD display panel provides e asy-to-read system st atus and daily c umulative ener gy [...]

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Installation Chapter 2, “I nstallatio n” provides information about planning for and installing the Sun T ie XR. It contains information to help you plan wire routes, AC and DC connections, and find a suitable location for installation. It also discusses requirements for grounding the Sun T ie XR and your PV array . This chapter then provides p[...]

Installation 2 – 2 975-0053-01-01 Installation Planning Overview Before yo u begin to insta ll the Sun T ie XR you need to consider the followi ng: • tools r e quir ed • hardware and material s require d • mounti ng locati on • routes for AC and DC wir ing • AC and DC co nnection wi re size r equiremen ts • groundin g requirements •[...]

Installation Pl anning 975-0053-01-01 2 – 3 Locating the Sun Tie XR The S un T ie XR shou ld be installe d in lo catio ns th at meet the f ollowi ng requir ements: Routing the wires T ypical configu rations Determine all wire route s to and fr om the Sun T ie XR. T ypical rout ing configur ations include : • AC wiring f rom the Sun T ie XR to t[...]

Installation 2 – 4 975-0053-01-01 All wiri ng and inst allation method s should conform t o applica ble electr ical and buildi ng codes. Conduit ho les Pre-pla n the wire and cond uit runs. Knock outs for c onduit holes ar e locate d on the bottom of t he unit. Se e Figure 2- 9 . Acceptabl e wire siz es The DC termi nal blocks in the Sun T ie XR [...]

Installation Pl anning 975-0053-01-01 2 – 5 A C circuit breaker r equirements The main se rvice panel must dedicate a 15 amp min imum, double pole breaker (120/240 volts AC) to operat e the Sun T ie XR. Planning DC Connection s DC connecti ons incl ude all the wire s and connec tors between your PV array a nd the Sun T ie XR’ s combiner boar d.[...]

Installation 2 – 6 975-0053-01-01 F igure 2-1 Combiner b oard with PV array wiring to in dividual termin al connections F igure 2-2 Combiner board with PV array wiring to b ypass terminals Ground ing Requirements AC groundin g The Sun T ie XR must be conn ected to a grounded, pe rmanent wir i ng syste m. PV Arr ay Fuses (F1 to F6) Negative PV Arr[...]

Installation Pl anning 975-0053-01-01 2 – 7 DC groundin g The negative PV conductor must be bond ed to the groundin g system at only one p oint in the s ystem. See Figur e 2-3 for the locatio n of the Sun T ie XR ground bar . The size f or the conduc tor is u sually based on the size of the l arg est conductor in the DC system. Nega tive/gr ound [...]

Installation 2 – 8 975-0053-01-01 Note: The MPP T algorith m does not work with wind power or batter ies. CA UTION Although t he nominal volta ge range suggests that you c an use string s of five modules in serie s, this i s not safe for the u nit, as the PV array may ex ceed the invert er ’ s maximum input (120 VDC). W ARN ING: SHOCK HAZARD Wh[...]

Inst alla tion 975-0053-01-01 2 – 9 Installation Overview Instal lation steps There are four main st eps in the insta llation of th e Sun T i e XR: 1. Mounting t he unit 2. Making the DC connectio ns from the PV arra y to the Sun T ie XR 3. Making the AC connections fro m the ser vice utilit y panel to the Sun T ie XR 4. Grounding the PV array Th[...]

Installation 2 – 10 975-0053-01-01 T o mount the Sun T ie XR: 1. L ocate the ar ea wh ere th e Sun Tie XR is t o be in stall ed. In stall ing it as clos e to the utilit y servic e panel as possi ble is recommended. Th e bottom of the unit must be at least 36 inches from the floor or gr ound when mounted . 2. Using a l e vel, pl ace the mounting b[...]

Inst alla tion 975-0053-01-01 2 – 11 F igure 2-4 Br ack et mounting Wall bra c ket, screws, and w ashers (s upplied) Mount 70 inches (minim um) from ground F igure 2-5 Enclosure mounting Enclo sure mo unt ed on w all br acke t Scre w holes 8 55/64 " 3.20" 26 21/ 32" 19/64" 9 41/64 " 4 13/16" Sun T ie XR enc losure l [...]

Installation 2 – 12 975-0053-01-01 F ig ure 2-6 Externa l cover compon ents Upper co ver Remove sc rews (one on ea ch side) External breaker c over (remove dur ing install ation)[...]

Inst alla tion 975-0053-01-01 2 – 13 F igure 2-7 Inner break er cover F i gur e 2-8 Mount ing holes Locking tabs Lift up an d pull forward t o remove Remove b reaker screw s remove breaker co ver grounding screw Internal m ounting holes PV combiner b oard[...]

Installation 2 – 14 975-0053-01-01 F i gure 2 -9 Bott om hol e condui t loca tions (bot tom view) 3 3 8 1 8 (2X ) 2 3 4 (2X) 7 8 2 5 8 1 2 10 3 8 1 3 8 3 4 5 1 2 10 3 8 3 8 3 1 8 4 3 8 7 5 8 8 7 8 3 4 1 1 5 8 all dime nsions are i n inches front of inverte r[...]

Inst alla tion 975-0053-01-01 2 – 15 Connecting DC Wiring Fuse requ irements The combine r board in the Sun Tie XR ac cepts up to six i ndividual PV array c ircuits (positive and n egative wi res). Each ci rcuit on the combiner board con tains a fuse to protect agains t over-cu rrent. Always repl ace this fuse wit h one of the same t ype and rat [...]

Installation 2 – 16 975-0053-01-01 4. Connect t he negati ve (–) wire f rom the PV arr a y to t he PV MINUS 1 (leftm ost) term inal. C heck th at the wire i s in the proper locat ion an d tighte n the screw . 5. Repeat t his procedure for each PV array circu it, connec ting the #2 PV positi ve wire to the te rminal la beled PV PLUS 2, and so on[...]

Inst alla tion 975-0053-01-01 2 – 17 T o wire the main utility panel to the Sun T ie XR: 1. Run conduit from the main uti lity bre aker pane l to the lower se ction of the Su n T ie XR. Run the two HOT wires (L1 a nd L2) and gr ound through t he conduit and i nto the Sun Tie XR’ s lower s ection. Metal conduit is highly recommend ed. 2. Instal [...]

Installation 2 – 18 975-0053-01-01 Grounding the System PV groundin g The Sun T ie XR is des igned to have all PV pos itive, n egative and gr ound conducto rs connected ins ide its access area. The PV e quipment ground should be conn ected to the Sun T ie XR ground bar . This ground bar must also be conn ected to the main util ity breaker panel ?[...]

Inst alla tion 975-0053-01-01 2 – 19 Required additional groundin g If the PV array is loca ted a considera ble distance ( over 100 feet) from the Sun T ie XR, then an additi onal groun d rod must be insta lled clo se to the PV array f or the most reliabl e light ning prote ction, as shown in Figure 2- 13 . The grounde d frame of the PV ar ray pr[...]

Installation 2 – 20 975-0053-01-01 F igure 2-13 Long dis tance groun ding F igure 2-14 Simplified electric al wiring diagram ST Unit Main Utility Breaker Panel Utility Mete r Sola r Arr ay DC Wi ring (and gr ound) AC Wiri ng Array Gr ound Ro d Utili ty Gr ound Rod Utili ty Gr ound W ire Ground Bar Ground Bar > 100 f eet ( 30 m) Array Gr ound W[...]

Inst alla tion 975-0053-01-01 2 – 21 Connecting Inverters in P arallel Reasons a nd requir ements Sun T ie XR inverte r s may be connected in a pa rallel confi guration to harvest additional ene rgy f r om the sun. In this c onfigura tion, a separat e solar a r ray i s requir ed for ea ch Sun T ie XR unit. The output of each Sun T ie XR feeds a d[...]

Installation 2 – 22 975-0053-01-01 Installing the Optional Remote Monitor Remo te Moni tor functi on The opti onal Remote Monitor provides addi tional functions which a re not direct ly avail able on the front panel LCD di splay . It can be mounted in a more acce ssible l ocation such as t he garage , kitchen, l iving room, and so on. Refer to th[...]

Inst alla tion 975-0053-01-01 2 – 23 T o wire the Remote Monitor to the Sun Tie XR: 1. Route the Remote Monitor ’ s six-conducto r cable separate f rom the other wi ring to pr event noise and i nterfer ence fro m being intr oduced into the data cable. Refer t o Figure 2-17 and Figu re 2-18 . The connecto r is located i n the up per right -hand [...]

Installation 2 – 24 975-0053-01-01 F igure 2-18 Remote Monitor connection a nd cable Route Remote Monitor cable away from AC and DC wires Remote Mo nitor conne ction CPU boar d (cover remo ved for clari ty)[...]

Oper ation Chapter 3, “Operation” provides procedure s for starting up and operating the Sun T ie XR. It also explains the messages that appear on the front panel display . The chapter ends with informat ion about factors that affect how much power the Sun T ie XR can gath er from the PV arra y and deliver to t he utility grid.[...]

Operation 3 – 2 975-0053-01-01 Startup Pr ocedure S tarting up the Sun T ie XR requires se veral steps. Y ou wi ll need t o: 1. Check the PV array DC vol tage. 2. Check the AC utility voltage. 3. S tart up the Sun T i e by s witching o n the DC and AC circ uit break ers inside the unit. 4. Reassemble the Sun T ie XR and repl ace the ext ernal co [...]

Startup Procedure 975-0053-01-01 3 – 3 Checking the AC U tility V oltage T o check the AC ut ility voltage : 1. Switch on t he main 240 V brea kers in th e building’ s electri cal service panel. 2. Ensure al l circuit br eakers lo cated in the Sun T ie XR unit are i n the of f (down) positio n. 3. Using an AC vo ltmeter , measure the AC o pen c[...]

Operation 3 – 4 975-0053-01-01 Starting up the Sun Tie XR T o s tart u p the in vert er: 1. Switch on the 10 0-amp DC cir c uit breaker l ocated in the Sun T ie XR unit. Thi s breaker suppli es the DC powe r from the PV arra y to the Sun Tie uni t. Refe r to Figure 3-3 , item 1. 2. Switch on the 1 and 100 amp (ganged) PVGFP breaker s. These break[...]

Startup Procedure 975-0053-01-01 3 – 5 Monitoring the Front P anel Display During startup Durin g startup, t he invert er ’ s front panel LCD dis play shows the fi rst four messages d escribed in “Readin g the Fr ont Panel D isp lay” . During waiti ng period When the fi ve-minute timer begins, the inver t er d isplays t he countdown time r [...]

Operation 3 – 6 975-0053-01-01 Reading the Front P anel Display During st artup During startup , the Sun T ie XR will dis play several mes sages on its fr ont panel LCD di splay . These mes sages appear in the fol lowing ord er . F igure 3-4 F r ont p anel displa y location Front panel LCD display Message Display Dur ation XANTREX TECH INC. STXR2[...]

Startup Procedure 975-0053-01-01 3 – 7 After s tartup After t he 300-second count down timer and d uring normal operation, the Sun T ie will di splay four messages t hat repea t every mi nute. *If the inverter is di sconnect ed due to a line c ondition, this d isplay will show one of the following mes sages: • AC NOT PRESENT •A C M A I N S L [...]

Operation 3 – 8 975-0053-01-01 Reassembling the Sun Tie XR Once the Su n Tie XR i s oper ating normally an d producing power , you need to r e plac e the panels and c overs tha t were removed duri ng instal lation and sta r tup. T o reas semble the S un Tie XR: 1. Replace t he circu it breaker pane l, as shown i n Figure 3- 5 . a) Instal l the ci[...]

Startup Procedure 975-0053-01-01 3 – 9 F igure 3-5 Circ uit bre ak er co ver and screws Repl ace s cre ws in the circui t breakers repl ace br eaker co ver groun ding sc rew F igure 3-6 Outer cover an d screws Replace s c rews (one on ea ch side) Lock ho le[...]

Operation 3 – 10 975-0053-01-01 F actors Affecting Su n Tie XR P erformance This sec t ion de scribes severa l factors tha t will af fect the a mount of power that a p r operl y installed a nd operati ng Sun T ie XR can produ ce. PV Array F actors PV array r atings P V arrays are rate d at idea l factory condi tions, suc h as specified illumin at[...]

F actors Af fecting Sun Tie XR P erforman ce 975-0053-01-01 3 – 11 T emperatur e and reduced out put PV array t emperature a ffects th e output of the e ntire system. As t he temperat ure on the array surface heats up, i t s ene rgy output goes down. Roof-mount ed arrays also c ollect t he heat generat ed by the r oof surface (or tr apped under t[...]

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T r oubleshooting Chapter 4, “T roubleshooting” describes how to view the status indicator lights (LEDs) inside the Sun T ie XR and use them to troubleshoot the unit. It also provides troubleshooting information with suggestions for solving the problems that the light s may indicate.[...]

T roubleshooti ng 4 – 2 975-0053-01-01 T r oubleshooting the Sun Tie XR Viewing the Status LEDs Invert er status LEDs T o aid in t r ouble shooting the Sun T ie XR, there ar e two red and green lights (LEDs) inside the unit. The LE D s li ght to i ndicate t he invert er ’ s status according to the troubleshoo ting ref erence ta ble on page 4–[...]

T roubleshoo ting the Sun T ie XR 975-0053-01-01 4 – 3 F igure 4-1 R ain Sh ield and lo wer panel remova l Remove screws (one on e ach side) Remo ve screws (two on each side)[...]

T roubleshooti ng 4 – 4 975-0053-01-01 F igure 4-2 Status LEDs location (with circuit break er cover removed) CA UTION The P .C. com. port next t o the status LEDs is n ot enabled . Connecti ng a computer to th is port may resul t in damage to the invert er or the computer . LEDs are located above the circuit breakers Red LED Green L ED Mode co n[...]

T roubleshoo ting Reference T able 975-0053-01-01 4 – 5 T r oubleshooting Reference T able Problem Cause Remedy Inverter CP U does not illuminate the red or green LEDs and does not operate in suf ficient sunlight, or the display read s “AC Mains Not Present” or the VDC reading is 0. PVGFP , AC or DC breakers are switched of f. No AC grid or D[...]

T roubleshooti ng 4 – 6 975-0053-01-01 100 amp DC breaker trips. Current fr om the array exceeds the DC inpu t breaker rating. A ligh tning st rike hit near the PV array . Check array si ze and ensure the DC input does not exceed the breaker rating. Check ligh tning arres tor , breakers, pan els, diodes, DC wir e insulati on and oth er compon ent[...]

Specifications Appendix A cont ains th e elec trical and me chanical s pecific ations for the Sun T ie XR. These include the AC output ranges and characteristics, operating temper ature ranges, dimensions, and weight. Appendix A also lists standard features, options, and regulatory information for the Sun T ie XR.[...]

Specifica tions A – 2 975-0053-01-01 Electrical Sp ecifications AC outpu t volt age 2 40 V AC AC output voltage rang e 21 1–264 V AC Continuo us AC output at 32–1 13 °F (0– 45 °C) 1500 V A (STXR 1500), 25 00 V A (STXR 2500) Efficiency (peak ) 91% AC output characteristics Current sour ce Frequency 60 Hz (+0 .5 Hz, -0. 7 Hz) W akeup DC vol[...]

Mechan ical Specific ations 975-0053-01-01 A – 3 Mechanical Sp ecifications Specified temperature range Operating: -38 to 1 13 °F (-39 to 45 °C) Listed to: 32 to 1 13 °F (0 to 45 °C) Enclosure type Outdoor , rainproof (with Rain Shield), powder-coated aluminum enclosure, fully screen ed Inverter d imensions (H × W × D) 33.25 " × 13.25[...]

Specifica tions A – 4 975-0053-01-01 Standa rd F eatures and Option s Feature Des cri ption PV ground fault protection syst em Sta nda rd PV combiner b oard with 6 fused i nputs, 20 amps maximum p er input Sta nda rd Lightning ar restor- combined AC/DC protection Sta nda rd Rain Shield Optional STRS protective Rain Shield (required for outdoor in[...]

Efficienc y Curve 975-0053-01-01 A – 5 Efficiency Curve Figur e A-1 Sun T ie XR efficiency curve 0.00% 10.00% 20.00% 30.00% 40.00% 50.00% 60.00% 70.00% 80.00% 90.00% 100.0 0% 0.00 500.00 1000.00 1500.0 0 2000.00 2500.00 AC Power Output Efficiency[...]

Specifica tions A – 6 975-0053-01-01 T empe ratur e Derati ng Curve Figur e A-2 Sun T ie XR2500 temperature derating curve* *from our testi ng, the se are th e expected output characterist ics to 60 °C with Ra in Shield installed. Thermal charac terist ics are enhanced if the unit is installed indoors wi th no Rain Shield a ttached. 0 500 1000 1[...]

W arr anty and Product Information Appendix B contains warranty and return procedur e information for the Sun T i e XR.[...]

W arranty and Product Information B – 2 975-0053-01-01 Limited W arranty What does this warran ty cover? This Limi ted W arranty is pro vided by Xantre x T echnolo gy , Inc. ("Xant rex") and cover s defects in workmanshi p and materi als in your Xantr ex Sun T ie XR. This warranty lasts for a W arranty Per iod of two (2) ye ars from t h[...]

Limited W a rranty 975-0053-01-01 B – 3 Direct returns may be performed acco rding to t he Xantrex Return Material Authoriz ation Poli cy described i n your produ ct manual. For some produc ts, Xantrex maint ains a net work of region al Authori z ed Service Centers. Call Xant rex or check our website to see if your product can be re paired at one[...]

W arranty and Product Information B – 4 975-0053-01-01 Disclaimer Product THIS LIMITED W ARRANTY IS THE SOLE AND EXCLUSIVE W ARRANTY PROVID ED BY XANTREX IN CONNECTION WITH YOUR XANTREX PRODUCT AND IS, WHERE PERMI TTED BY LA W , IN LIEU OF ALL OTHER W ARRANTI ES, CONDITI ONS, GUARANTEES, REPRESEN T A TIONS, OBLIGA TIONS AND LIABILITIES, EXPRE SS [...]

Return Material Author ization P ol icy 975-0053-01-01 B – 5 Please not e that the Xantrex Sun T ie XR inverte r is not intend ed for use as an unint erruptible power supply an d Xantrex makes no war ranty or repres entation in connection wit h any use of the pr oduct for such purpo ses. Return Material Authorization P olicy Before r eturning a p[...]

W arranty and Product Information B – 6 975-0053-01-01 If you ar e retur ning a pr oduct fr om outside of the USA or Canada In addit i on t o the above, you MUST incl ude return fre ight funds and are fully r esponsibl e for all documen t s, dut ies, tarif fs, and d eposits. If you ar e retur ning a pro duct to a Xant rex Aut horized Service Cent[...]

975-0053-01-01 Index – 1 A AC circuit breaker requirements 2–5 C combiner bo ard connecting PV array s 2–16 DC connect ion points 2–6 location 2–15 conduit hole loca tions 2–14 D DC wiring connecting 2–1 5 E electrical specifications A–2 external cover locking 3–8 removin g 2–12 F front p anel displa y 1–3 , 3–5 , 3–6 G gr[...]

Index – 2 975-0053-01-01 P parallel configuration 1–3 , 2–21 peak ef ficiency of Sun T ie XR 1–3 PV arrays angle of the s un 3–11 connecting to co mbiner board 2 –16 effect o f shade on performance 3–1 1 factory ratings 3– 10 ground f ault protection 2–7 , 3–4 , A–4 grou nding 2– 18 requirem ents 2– 7 temperature aff ecti [...]

Xantrex Technol ogy Inc. 360 435 8826 Tel 360 925 5143 Fax customerservi ce@xantrex.com www.xantr ex.com 975-0053-01-01 Printed in the USA[...]