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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 1
Xantrex Grid T ie S o l ar Inverter Own er’ s Manu al GT 2. 5-D E GT 3. 8-D E GT 2. 8-SP GT 3. 8-SP ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 2
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 3
Xant rex G r i d T ie So la r Inverter Ow ner’ s Manua l ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 4
A bout X ant rex Xantr ex T echnology Inc. is a w orl d- l eadi ng supplier of advanced power electroni cs and c ont rol s w i t h produc t s f rom 50 watt mobi le uni t s t o one M W uti lity- s cal e s yst em s for wind, solar , batter i es, fuel cells, microturbines, and backup power applica t ions in bot h gr id-connect ed and stand-alone syste ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 5
975- 02 53- 01- 01 iii A bou t T his Manual The pur pose of t his Owne r ’ s M anual is to pr ovide e xplanations a nd procedur e s f or ins talling, operating, m a i nta i n i ng, and troubleshooting the Xantrex Grid T ie Solar Invert er™. S c ope The ma nual pr ovides s afety guideline s , detailed planning a nd s etup informat i on. It provi ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 6
Ab ou t T his Ma nu a l iv 975-0253- 01-01 Conven t ion s Us ed The f ollowing c onventions are used in this guide. Abb revi ation s Used WA RNI N G W arnings ide nti f y condi t i ons that c oul d re s ult in personal injury or loss of life . CA U T IO N Cautions ide nti f y condi t i ons o r practice s that could resul t i n da m age t o t he uni ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 7
Ab ou t T his Ma nu a l 975- 02 53- 01- 01 v Sy m b o l s Us e d Re lat ed In format ion Y ou c an find mor e inf ormation about Xa ntr ex T ec hnol o gy Inc. a s we l l a s i ts products and s er vices a t ww w.x a n t re x . co m A lt ern a t in g C urr ent ( A C ) D i r ect C ur rent (DC ) I n t hi s guide : Import a nt information, ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 8
vi ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 9
975- 02 53- 01- 01 vii Im porta nt Safety I n structi o ns SA VE T HES E I NSTRUC T IONS—This ma nua l conta i ns impor tant instruc ti ons tha t shall be f ollowed during t he inst a llation and maintenance of t he X a nt rex Grid Ti e S olar I nverter . 1. B efore ins talling a nd using t he G T Invert er, read a ll i nstructions and ca utionar ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 10
Saf et y viii 975-0253- 01-01 Re gula to ry Com p lian ce The G T Inverter i s C E M a rked f or the following Dir e ctives and s tandards : • Low V oltage Directive 73/23/E EC, per E N50178 “ Electronic E quipment for Us e in Power Insta llations”. • EMC D irective 89/336/EEC, per : • EN61000- 6- 3 “E m is sion Standard f or R eside nt ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 11
975- 02 53- 01- 01 ix Imp o rt a n t S af e t y Inst ru c ti ons - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - vi i R e gulatory C ompl iance vii i 1 In t rodu cti on About the X a ntr e x G rid T ie S ola r I nverte r - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–2 Sta ndar ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 12
Co ntent s x 975-0253- 01-01 Connecting Ne twor k C able be twe en Inverters - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–12 Communica ti ons W i r ing for Monitori ng a S ingle Inverter - - - - - - - - - - - - - - - - - - - - - - - - 3–12 4 St arti n g the Inve r t er Co mmissioning Proce dure - - - - - - - - - - - - - - - ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 13
975- 02 53- 01- 01 xi Fig ure 1 - 1 B a s ic Sy st em O ve rvie w - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 –2 Fig ure 1 - 2 Ma i n Fe a t ure s of th e GT Inv e rte r - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 –3 Fig ure 2 - 1 Ins ta lla tio n O ptio ns Ov erv i ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 14
xii ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 15
975- 02 53- 01- 01 xiii Table 2-1 M P PT Ope r ationa l W indow - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–6 Table 2-2 Invert er Clearance Re qui rements - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–12 Table 3-1 T568A S tandard Wiri ng - - - - - - - - - - - - - - - - - - - ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 16
xiv ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 17
1 I ntro duc ti on Chapter 1, “ Int roduction”, contains information about the features and functions of th e X ant re x G ri d Tie S ol a r Inverter. ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 18
In tr od u ct i on 1–2 975-0253-01-01 Ab ou t the Xa n tr ex Gr i d Ti e S ol a r I nv ert er The X antr ex Gr id T ie Solar I nve rter ( G T I nve rter) is de s i gned t o conve rt s olar ele c tr ic (photovol ta i c or PV) powe r into utility-grade e l ectri c it y that c an be used by t he home or sold to the local pow er c ompany . Installing ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 19
Abo ut the X a n tr e x G ri d T ie So la r I n ve rt er 975- 02 53- 01- 01 1–3 PV compa tibility The G T I nve r ter is des igned to t a ke a dvantage of s olar modules configur ed as high voltage P V stri ng arra ys —sin gle cryst a ll ine , po ly crys talline, or thin film —w i th a 195 to 550 Vdc input voltage Maxim um Powe r Poi nt range ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 20
1–4 ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 21
2 Instal latio n Chapter 2, “Ins t a ll a tion” , provides information a bout pla nni ng for and installing the G T Invert e r. It cont a ins i nforma t i on to he l p you pla n wire rout e s , ensure your P V array provi des ne ce s sary pow e r , and fi nd a s uit able loca tion fo r in stal lat ion. The topics in this chapte r a re or ga niz ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 22
In sta l l a ti o n 2–2 975-0253-01-01 I n st al l a ti o n Op ti on s The G T I nverter m a y be i nstalled as a single inverter f or a s ingle PV array of one or two PV str ings, or in a multiple inv erte r c onf igu ration f or multiple P V arr ays (see F igure 2-1 f or dia gr ams of bot h options). Si ng le In v e rter In st allat ion In this ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 23
Pla n nin g th e In sta ll at ion 975- 02 53- 01- 01 2–3 Fig u re 2 -1 Installation Options Overvie w U t il ity Gr i d M a i n U til ity S e r v i c e Pa n e l U tili t y Met er Load s P o wer r o ut ed t o l o ads P hot ov o l t ai c P anel s - PV Ar r ay DC co n v e rt e d to A C H ar vest ed sol ar ener gy PV S tr i n g # 1 PV St r i n g # 2 ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 24
In sta l l a ti o n 2–4 975-0253-01-01 Invert e r Locat i on Inverter failu r e due to imp roper installa tion will v o i d the i n verter wa rr a nty . Co ns ider the f ol lowing when d etermining w he re to install the inverter . WARNING: Burn ha za rd D o not ins t al l in a l ocat i on w her e peopl e c an acci denta l ly come i nt o cont act ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 25
Pla n nin g th e In sta ll at ion 975- 02 53- 01- 01 2–5 PV A r ra y Requi re men ts G ener al Recom m en dat i on s It i s importan t tha t the P V array is ins ta lled c or re ctly to the ma nufac turer ’ s s pecifications and to local code requirements. Eq u i pmen t and In stallation Recom mend ation s Equi pment rec omm e nda ti ons • Al ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 26
In sta l l a ti o n 2–6 975-0253-01-01 V ol t age and MPPT R equirem ents M P P T op e r a ti onal window The M PP T software maximizes t he output ener gy of s olar arr ays a s long as the operating vol ta ge is withi n t he M PP T ope r ational window . Ensure tha t the P V array us e d in the s yst em operate s wi t hin the MPP T operational w ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 27
Pla n nin g th e In sta ll at ion 975- 02 53- 01- 01 2–7 Guid elin es fo r M atch ing PV A rray Siz e to X an tr ex Gr id T ie So lar I n ver ter Input For determining the number of panels r equired in the PV stri ng (panels connec t e d in series) , you must ensure that t he following t hree requir e me nts are met: 1. T o av oid da ma ge to the ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 28
In sta l l a ti o n 2–8 975-0253-01-01 Ligh tni n g P ro t ec t i on Reduce the r isk of lightni ng damage by using a si ngle -poi nt grounding s ys te m . I n this s ys t e m, all ground li nes term ina te a t the same poi nt. T his poi n t nor ma ll y is t he main uti lity gr ound insta lled by the utility company to pr ovide a gr ound for the ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 29
Prep a r in g fo r the I n stallation 975- 02 53- 01- 01 2–9 P repar i ng for t h e Installatio n Ensu re your loca l utilit y is c ons ul te d for any r e quir e ments f or c onnecting t o or returning po w e r to the grid. O bta in all pe rmits n eces sar y to co mp l ete t he ins tallation. C ons ul t your l ocal a nd national elec t r ica l c ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 30
In sta l l a ti o n 2–10 975- 0253-01-01 M ou nti ng the Inv ert er Ov erv i ew Ge neral instal lat ion st ep s Installing of the G T Inve r ter i n cludes these main steps: 1. Mounting the G T I nve rter and i nst alling a c cessories (t his c h apter) 2. M aking the DC c onnect i ons fr om the PV a r ray to the G T Inverter ( “ Connecting the ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 31
M o unti n g th e In v e rt er 975- 02 53- 01- 01 2– 1 1 Thi s c hapter de s c r ibes the first s tep: mounting t he inver ter a nd installing a cces s o ries . M ounting s teps Instructions f or mounting the G T I nverter are de scr i bed in the following s ec tions : • “I ns talling the Mounting Brac ket ” on page 2–12 • “M ounting ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 32
In sta l l a ti o n 2–12 975- 0253-01-01 In stalli ng t he M o u nt ing B rac k et The mounti ng bracke t f or the G T Inverter a l low s the uni t t o be easily mounted a nd removed f or se rvicing. It has one hook that match e s a corresponding hook on the bac k s i de of the inverter . Clearan ce R equi r ements For optimal a nd safe ope r at ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 33
M o unti n g th e In v e rt er 975- 02 53- 01- 01 2– 1 3 Sur fac es for M ounti n g T he G T Inve r ter w eighs appr o xi ma tely 19 kg ( 41 lb) . The supporting surface must be s trong e nough t o handle 75 kg (160 lb). If the suppor t ing surf ace i s not s t r ong e nough to handle that w eight, then suppor ti ng m a teri a l suc h a s a s hee ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 34
In sta l l a ti o n 2–14 975- 0253-01-01 Mou nting o n Poles or R ails T o mou nt the u nit usi ng p o les: 1. Ensure t hat poles or rails are s ecurel y a ssemble d in pla ce. If us ing hori zont al rails, two rai l s a re r equired: one for the mounting bracke t and another for s ecuring the bottom e dge of the inverter (see F igure 2-6). 2. Co ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 35
M o unti n g th e In v e rt er 975- 02 53- 01- 01 2– 1 5 Mo un ti ng o n Wallb o ard , Si di ng o r Co n cre te T o mo unt t he G T I n ve rt e r to w a l l boa r d, sid ing , or c o nc rete : 1. Lo ca t e the area wher e t he G T I nv er ter is to be in st alled . 2. Ins t a ll backi ng s upport m a teri a l if requir e d. 3. U s ing a level, pl ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 36
In sta l l a ti o n 2–16 975- 0253-01-01 Mounti ng the Inve rte r on the Brack et Before mounti n g the invert er , it i s r e c om me nded to remove the c ommunica t ion ports cover . W ith the cover removed, you can acces s all t he m ounting s lots a long the bottom fl ange. M ounting a Sin gl e Inverter T o mou nt the in vert er o n t he mo u ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 37
3 W ir ing th e I n v ert er Chapter 3, “W i ring t he Inve rt er” , provide s procedures for m aki ng DC and AC wiring connec t ions for s ingl e and m ul t ipl e inve rte r installations. This chapt e r al s o i ncl ude s i nform at i on about communications wir i ng and using G T -V ie w m oni tori ng s oftware. The topics in this chapte r a ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 38
W irin g the I n v e rt er 3–2 975-0253-01-01 Co nnec ting the DC W irin g The G T I nve r ter i s e quippe d w i th four PV quic k connect s (two pos itive, two nega t ive ) f or connecting up to two PV strings. Eq u ipm ent Ne eded • Conduit f or wire runs and a ppro pria te f it tings /bushings • W ire cu tter s /wire crimpe rs/wire stripp ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 39
Con ne cti ng t he DC W i ri ng 975- 02 53- 01- 01 3–3 • Fema le and male DC cable conne ctor s to mate w it h the M ulti- C ontact c o nne cto rs PV - A D S P3/G WD (positive ) a n d PV -ADB P3/GWD (nega tive ) o n the G T Invert er. Y ou will nee d two connec tor s (one female and one male ) for e ach P V s t r ing (you c an connect up t o tw ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 40
W irin g the I n v e rt er 3–4 975-0253-01-01 Figur e 3-2 DC Conne ctions for a T wo-Stri ng P V Array I m por tant: Dependi ng upon i nst al l at i on and l oc al codes , f usi ng a nd/or a combiner box m ay be r equi r ed. The i nst al le r mus t pr ovi de t hi s equipment. PV Array PV String #1 PV String #2 + + – – Xantrex GT Inverter ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 41
C onn ec tin g th e AC W i ri ng 975- 02 53- 01- 01 3–5 Conn ecting t h e A C W i r i n g The G T Inverter c an be conne c ted to a s ingle bi- dir ectional met er, or to dua l me t e r s, where one me te r indica t es pow e r us e d and the se c ond m eter i nd i c ates pow er s o l d (power supplied ba ck to th e utility). C onsult th e loc al ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 42
W irin g the I n v e rt er 3–6 975-0253-01-01 5. On the female terminal, c onnec t the pr ote c tive e ar th wire to the te r minal marked with the gr ound ( ) s ymbol . See F i gu r e 3-4 . 6. Connect the ne utral w i re to the terminal mar ked with 1. 7. Connect the Phas e L wire to the termi nal m a rked with 2. T erminal 3 is not used. 8. ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 43
Conn e c t in g M u lt ip le Inverter s 975- 02 53- 01- 01 3–7 Con nec ti ng Mult ip le I n ver te r s For ins talla tions with multip le in ve r te rs , a separa te PV array is require d f o r each G T Inver ter uni t. The output of ea ch G T Inver ter f eeds a separa t e dual- pol e circuit breaker in the ma in util ity s e rvice p anel . W hen ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 44
W irin g the I n v e rt er 3–8 975-0253-01-01 Com mu nica tio ns W irin g fo r Mu lt ipl e In ver ter s Communica ti ons w i ring betwe en multi ple G T Inverters a llows inf ormation about ea ch i nver ter a nd i ts as socia t e d PV ar ray to b e com mu ni ca ted be t w een all o f th e inverters in the s ys t em. Inform ation a bout the entir ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 45
Co m mu n icati o ns W i r in g for Mu lt ip le I n v erter s 975- 02 53- 01- 01 3–9 T er mina t or s M ale ne t work term inators ( F i gure 3- 7 ) are requir ed at both ends of the network to e ns ur e the commun ication s igna l quality on the netw or k. Y our G T Inv e r ter come s w ith one network ter minator pr e-installed. G T Inverter Xa ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 46
W irin g the I n v e rt er 3–10 975- 0253-01-01 Cabl i ng Req u i r em en t s The ne t wor k use s C ategory 5 (CA T 5) c able , a standard c able available from any computer s upply store. The ca ble consi sts of eight conduc tors i n four twisted p air s with an RJ45 modula r conne ctor wir ed to the T 568A s t a nda r d. T able 3-1 c ont ains ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 47
Co m mu n icati o ns W i r in g for Mu lt ip le I n v erter s 975- 02 53- 01- 01 3– 1 1 P u r c h asing Network Co mpon ents C onsult your s ys tem de signer to dete r mine w hat netw or k components will be ne e ded f or your s pe c if ic ins ta l lation. T a ble 3-2 pr ovides a partial l ist of net w or k c omponents and pa rt numbers . P re- m ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 48
W irin g the I n v e rt er 3–12 975- 0253-01-01 C onne c t i ng N etw ork C ab le betwe en In verter s Thi s proce dur e as s umes only two inver ters a r e installed. Howe ver, there c an be up to te n inverters wir ed i n thi s c onf iguration. T o pro vi d e co m mun ica t i on b et ween mul t i ple i n vert ers : 1. Rem ove the c omm por t co ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 49
Co m mu n icati o ns W i r in g for Mu lt ip le I n v erter s 975- 02 53- 01- 01 3– 1 3 The R S-232 conne ctor on t he G T is c onf igured as fol lows: • Pin 2: tran smit • Pin 3: r ecei ve d • Pin 5: gr ound. A l l other pins a re unused. T o connect a sin g l e G T I nver t e r to a per son al c ompu t er: 1. W i th DC and AC power dis co ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 50
W irin g the I n v e rt er 3–14 975- 0253-01-01 For more inf ormation about G T - V iew , s e e the G T - V ie w U se r M anual , included with the G T -V iew s oftwa re. Figur e 3-12 GT -Vie w Opti on s ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 51
4 St ar ting t he Inver ter Chapter 4, “Sta rt ing t he Inve rt er ” , cont a ins i nforma t ion on sta rt ing up the Xantrex Gri d Tie Solar Inverter a nd pe rform ing a func ti onal t est. The topics in this chapte r a re or ga niz e d as follow s : • “Comm i s sioni ng P roc e dure ” on page 4– 2 • “D i s c onne ct T est ” on p ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 52
S tar ti n g th e In ve rt e r 4–2 975-0253-01-01 C om mi ss i o ni ng P ro c e du re T o en sur e th at e ach G T I n ver te r i s wire d cor r ect l y , each inv er t er s houl d be wir e d individually us ing the wiri n g proce dures in C hapte r 3 , a nd turned on us ing this commis sioning proce dure. O nce a s ingle inve r ter has bee n com ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 53
Dis c on nec t T es t 975- 02 53- 01- 01 4–3 T o monitor the s tartup s e quence on the f ront pa nel LCD, c hec k t he G T Invert er L CD. The s tartup s creens (se e T able 5- 1 on page 5–3) s hould a ppe ar for five s econds each, a nd th en the “ Rec onne cting in ss s s ec onds” s pe cial s cree n (se e T able 5-10 on pa ge 5–8) will ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 54
4–4 ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 55
5 M oni to ri ng t h e In ver ter Chapter 5, “Monitoring t he Invert er” , c ont ai ns i nform at ion for understanding the LCD s c ree ns a nd the L E D i ndic at ors . The topics in this chapte r a re or ga niz e d as follow s : • “M oni t oring t he F ront Panel Display ” on page 5–2 • “F ront P a ne l Displa y S c ree ns and Wha ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 56
Mon ito rin g th e I nve rt er 5–2 975-0253-01-01 Mo ni to ri ng t he Fr o n t P a n e l Di sp l a y During s tar t up During s tar t up, t he inver ter ’ s f ront pa nel l iqui d crystal dis play (LCD, se e Figure 5-1) s hows the first thr ee screens de scribed i n T able 5- 1, “ Start up Screens on G T Inver te r Front P a nel Dis play” o ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 57
F r o n t P a n el Dis pl a y Scr een s and W h a t T hey M ea n 975- 02 53- 01- 01 5–3 F r ont P an el D i s p lay Screen s an d W h at They M ean The f ront p a nel dis pl ay shows dif f er e nt m essage s cr e ens dur ing dif ferent modes of ope ration ( S ta rtup, Nor m a l , O f f line, and Fault). All s i ngle uni t s display a basi c s et ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 58
Mon ito rin g th e I nve rt er 5–4 975-0253-01-01 If the re i s s uffi cient e n ergy from the PV array , t h is s c ree n is d i splaye d continuously while the s yste m is operating normally . I n a multiple uni t system conne cted by network cables, the powe r a nd cumulative energy values displa yed ar e for t h e e n tire sys tem. During low ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 59
F r o n t P a n el Dis pl a y Scr een s and W h a t T hey M ea n 975- 02 53- 01- 01 5–5 A ddit iona l me ssag es fo r multiple unit sy s t em s o n l y In add ition, to the nor mal s ystem me s s a ge scre ens, a ddition al scree ns s pec ific to e a ch G T Invert e r unit ca n be dis pla ye d whe n the unit is c onne c ted w i th c ommunications ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 60
Mon ito rin g th e I nve rt er 5–6 975-0253-01-01 Of fl in e me ssag es for all system s Additional m essage sc reen s can be view e d when t he s ystem is off line b y tapping the Xa ntr ex logo ne ar t he LCD. E ach a dditional ta p dis pl a ys the next sc r e en, in the or de r s hown in T a ble 5-6. T hese mes s age scr eens are comm on to al ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 61
F r o n t P a n el Dis pl a y Scr een s and W h a t T hey M ea n 975- 02 53- 01- 01 5–7 F a ult M ode W he n a fault s tate is dete cted, the appropriate fault mes sage a ppears on the front pa ne l dis play at t he ne xt s c reen r e f resh ( i. e . , within 2 s econds). The G T I nverter fault message s cree ns are shown in T able 5-8 . Fau l t ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 62
Mon ito rin g th e I nve rt er 5–8 975-0253-01-01 Additional F a ul t m e ss a g es f o r al l sy s te ms Additional m e ss age s creen s can be vi ew ed in f a ult mode by tapping the X antr e x logo n ear the L CD. E ach a dditi onal t a p dis plays the ne xt s creen in the order s hown in T able 5- 9 . Sp eci al Sc reen s Sp eci al m ess ag e ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 63
F r o n t P a n el Dis pl a y Scr een s and W h a t T hey M ea n 975- 02 53- 01- 01 5–9 Cu st o m Sc re en s T wo c ustom screens a r e a va i la ble. T he i nve rter doe s not dis play them unless they a r e configur ed using us ing G T -V iew (se e pa ge 3–12). I f c onfigure d, t he c ustom s creens dis play as t he f ourt h and f ifth s cre ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 64
Mon ito rin g th e I nve rt er 5–10 975- 0253-01-01 Status In d i cator Li g hts The G T Inverter is e qui pped with two status indicator light s (LEDs) located b elow the f ront p anel LCD ( F igure 5- 2 ) . T he s e LE D s indic a te the inverter ’ s curr ent s t a t us ( T able 5-1 1 ) a nd assist i n tr oubles hoot ing t he per for m a nce ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 65
6 Mainten ance and T r ou b les h o ot in g Chapter 6, “Maintenance a nd T roubl e s hoot ing” , contains i nforma t i on about how to provide ge neral maintenance for the Xantrex Grid T ie Solar Inverter. It al s o provi des inform a t ion a bout troubl e shooting the unit. The topics in this chapte r a re or ga niz e d as follow s : • “F ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 66
M ai n ten a nc e an d Tro ub le sho ot i ng 6–2 975-0253-01-01 F a ctors Aff ec ti ng GT In verte r Pe rf orm an ce This section de s c r ibe s several f actor s that will a ff e c t the amount o f powe r that a properl y insta l le d and operating G T Inverter can pr oduc e. PV A rra y F a cto rs PV a r ray ratings PV a r rays a r e rated a t i ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 67
Pe rfo rm i n g Ge ne r a l M a in te na nc e 975- 02 53- 01- 01 6–3 Othe r F acto rs O t he r factors tha t contribute t o s ystem los s e s are: • D ust or dirt on the a r ray • Fog or s mog • M ismatched PV a rray modul e s, with slight incons istencies i n perf ormance fr om one m odule to another . • In v e r t e r ef f i ci en c y ? ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 68
M ai n ten a nc e an d Tro ub le sho ot i ng 6–4 975-0253-01-01 Identifying Error/F au l t Conditions an d Solution s M ost error or fault conditi ons wil l be ide nt if i ed by fault mes s age sc r ee ns on the G T Inverter f ront pa ne l LCD. T hese ar e described in the “ Fault M ode ” section on page 5–7. M os t of thes e f a ult co ndi ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 69
A Specif i cat ions Appendix A, “Spe c ifications ” , contains information about the el ect rica l and envir onm enta l s peci fica tion s o f the X a ntrex Gr i d T ie Solar Inverter. The topics in this appendix a re orga ni ze d a s foll ow s: • “El e c tri c al S pe ci fi c at i ons ” on page A–2 • “Envi ronm e nta l S pec i fic ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 70
Sp eci f i c a tio ns A– 2 975-0253-01- 01 Electrical Sp ec i fications Input Out p u t G T 2. 5 G T 2. 8 G T 3 . 8 Input voltage, Maximum P ow er Point r a nge 195 to 550 Vdc Absolute maximum arr ay open ci r cui t vol t a ge 600 Vdc Maximum input curre nt 14.1 A dc 15.7 A dc 21.3 A dc Maximum arr ay shor t ci r cui t c urre nt 24 A dc Recommend ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 71
Ele c t r ic al Specificat io n s 975- 02 53- 01- 01 A–3 A djustabl e Disc onne ct S ett i n g s Is l a nding protection i s a n e sse nt ia l safe ty feature t hat ens ures no pe r son wor king on the gr id is harmed by a dis tr ibuted ener gy s ource. D e f ault s oftwar e s ettings a r e progr a mmed int o ea c h G T I nve rter a t the f actor ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 72
Sp eci f i c a tio ns A– 4 975-0253-01- 01 Ou tp u t Pow e r V ers us A mb i ent T e m pe ratu re Once the heat sin k o n t he i n ver t er reach e s a ma ximum tem per at u r e limit, th e G T Invert er reduc es its ene rgy output to ensure m aximum component ratings a re not exc eeded. Figur e A-1 O utput P o we r vs. A mb ie nt T emperature GR ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 73
Ele c t r ic al Specificat io n s 975- 02 53- 01- 01 A–5 E ffi cie ncy M aximum ef ficienc y 95% Eur o ef f i ci enc y 93.9% Night time tare loss 1 W Fig u re A - 2 Ty p ica l Ef fi cie ncy G T INVERTER EFF ICIENCY 1 95VDC , 23 0VA C, 25 d e g C 50 60 70 80 90 100 0 5 00 10 00 15 00 2 00 0 2 50 0 3 000 O u tp ut Po we r (W) Ef fi ci e n cy ( % ) ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 74
Sp eci f i c a tio ns A– 6 975-0253-01- 01 Environmen t al Sp eci fic at ions Us er Dis p lay D i s p l ay Ac cur a cy Mechanical Sp ec i fications Operating t em per at ur e r ange - 25 t o +65 °C ( -13 t o + 149 °F) St or age t em per at ur e r ange -40 to +85 °C (-40 to +185 °F) Pow er de ra t ing See Fi gure A-1 on page A–4 T olerable r ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 75
975- 02 53- 01- 01 W A– 1 W arr a n t y a n d R e tu rn In fo rm atio n Wa r r a n t y Wha t does this w ar r a nty cove r a n d ho w l ong doe s it l a st? T hi s Li m i t ed W a r ranty is pr ovided by Xant r ex T ec hnology Inc . (“Xantrex”) and cove rs def ec ts in qual i t y in w or kma nshi p and m ateri a ls ( “ De f ect s ”) i n y ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 76
Wa rr an ty an d Re t ur n WA –2 975- 0253-01-01 Wh at d oes th i s w arran t y no t cov e r? This Limited W arranty does not cover nor mal wear and tear of the produc t or cos t s as s oci at ed wit h replaci ng cons um abl e i t em s s uc h as air filters, fuses, a r res t ors, etc. A shorter than normal life duri ng the W ar r ant y Per i od c ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 77
W arr a nt y a n d Re tu rn 975- 02 53- 01- 01 W A– 3 Excl usi on f or Doc umen ta tion WI TH O U T LI MITI N G TH E G E N ER A LI TY O F TH E FOREG O I NG , UN LESS SP ECIFI CAL L Y A G R EE D T O BY IT IN W R I TING , XA NT R EX : ( A ) M A KES N O W A RRA NTY AS T O T HE A CCU RA CY , S UFFI CIE N CY O R SU IT AB IL I T Y OF ANY TEC HN IC AL O ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 78
Wa rr an ty an d Re t ur n WA –4 975- 0253-01-01 Information Abo u t Y our System As soon as you ope n your Xantr e x G ri d Ti e Sol ar I nver t er packa ge, re cor d the f ollowing inf orm a t ion a nd be s ure to keep your proof of purchas e . If you need t o c ont act C us tomer Service, pl ea se r ecord the f ol l ow i ng de t ai l s bef or ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 79
W arr a nt y a n d Re tu rn 975- 02 53- 01- 01 W A– 5 PV Det ai l s Solar Panel M ount: R oof Pole Ground Solar P anel Bra nd and M ode l: N omi nal V oltage Ra nge : ____ _________ V dc Pea k Open C i rcuit V ol ta ge: ____ _________ V dc N omi nal Curr e nt R a ting: ____ _________ A dc M aximum C ur rent R ating: ____ _________ A dc So l ar T ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 80
WA– 6 ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 81
A a bbr evi at i ons and sym bol s iv AC ci r cui t br eaker requi rements 2–9 AC gr oundi ng r equir em ent s 2–7 AC out put vol ta ge ratings A–2 AC w i r ing inst r uct i ons 3–5 a ccepta ble wire si zes A–6 a dj ust a ble disconnect set tings A–3 C c om municat i on bet w een multiple inverters 3–8 c om municat i ons ca bl ing 3? ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 82
In de x IX – 2 975- 0253-01-01 on wallboard, siding or concr et e 2–15 orienta ti on 2–4 over vie w 2–11 pre paration 2–11 single inverter 2–16 sur faces f or 2–13 using poles or r ai l s 2–14 MPP T oper at i onal w i ndow 2–6 technology 1–3 mu lt i pl e invert e rs communi cat i on bet w een 3–8 communi cat i ons w iri ng 3? ...
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 83
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Xantrex Technology GT 2.5-DE, GT 3.8-DE, GT 2.8-SP, GT 3.8-SP - page 84
X a ntrex Technology Inc. 34 9 3 47 0 53 30 T ele p ho ne 34 9 3 47 3 60 93 Fa x s up po rt .e u ro pe @ xan tr ex .c om ww w.xa ntr ex. c om 9 75- 025 3-0 1-01 P rin ted in Ch ina ...
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