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www.xan trex.com Smart choice for power Inverter Stacking Contr o l Series (ISC-S) Cable Installati on Guide[...]

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Inverter Stacking Control Series (ISC-S) Cable Installation Guid e[...]

About X antr ex Xantre x T echn ology In c. is a worl d-leading suppl ier of advanced power ele c troni cs and controls with prod ucts from 50 watt mobi le un its to one MW util ity-sca le sys te ms for wind, sol ar , batt eries, fuel cel ls, microtu rbines, and bac kup power app licat ions in both gri d-connec te d a nd s tand-a l on e s y s t ems[...]

975-0059-01-01 R e v A iii About This Guide Pu rpose The purpose of this Ins ta lla tio n Guide i s to provi de explana tions and procedur es for i nstalling the Inve r ter Sta c king Contr ol – Seri es Cable and provides inform a t ion r e ga rding sta c king two identic a l Sine W ave Plus inverte r s . Scope The Guide provide s safety gui deli[...]

About T hi s Guide iv 975-0059-01-01 Re v A C onv ent ion s U sed The f ollowing conventio ns are use d in this guide. Abbrev iation s and Acr onyms The following a crony m s and abbrev iations are used in this guide: R elat ed Inf orm atio n Y ou can find more informatio n a bout Xa ntrex T echnolog y Inc. a s well as its products a nd servi c e s[...]

975-0059-01-01 R e v A v Important Safety Instructions 1. Before installi ng and using the ISC- S cab le , r ead al l i nstr uction s and cautiona ry information in thi s gui de . 2. Do not expose the ISC- S cab le to rain, snow , spr a y , or wa ter . 3. Use only atta c hm en ts recommended or sold by the manufa c t ur e r . Doing otherwis e may r[...]

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975-0059-01-01 R e v A vi i Im portan t Safety Instr uction s - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - v 1 Introduction Stac k ing I nverters - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 –2 The I SC-S Cab l e - - - - - - - - - - - - - -[...]

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975-0059-01-01 R e v A ix Figu re 1-1 Off- Grid A pplic ations w ith S eries-S t ack ed In verter s- - - - - - - - - - - - - - - - - - - - - - - - - 1 –3 Figu re 1-2 On-G rid Ap plicat ions w ith Ser ies-s t ack ed In v ert ers - - - - - - - - - - - - - - - - - - - - - - - - - 1– 4 Figure 1-3 I nver te r Stackin g Control – Ser ies Cabl e ( I[...]

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1 Introducti on Chapter 1, “ Introduction” provides information on stac king of Sine W ave Plus inverters. The following topics are covered in this chapter . For t his topic : See: “S tacking Inve rters” page 1–2 “T he ISC-S Cable” page 1–5[...]

Introduction 1–2 975-0059-01-01 Re v A St acking Invert ers T wo iden tic al , seri es-s ta cked , invert er s can b e co nne ct ed tog eth er fo r the foll owing purposes. • The voltage ou tput of a singl e inve r ter is ins uf fic ie nt to powe r the 240 V ac loads attached to the syste m; • Multi-wir e branc h c ircu its exists in the curr[...]

Stackin g Inverters 975-0059-01-01 R e v A 1–3 Figur e 1-1 Off-Grid Applications wit h Series-Stack ed Inverters[...]

Introduction 1–4 975-0059-01-01 Re v A Figur e 1-2 On-Grid Applicat ions with Series- s t acked Inver t er s[...]

T he IS C- S C ab le 975-0059-01-01 R e v A 1–5 The IS C-S Ca b l e Req u ired access ory cable Sta cking two i dentical inver ters r equires t he use of the Inverter St ackin g Control – Seri es Cab le ( ISC-S ca ble ). T he I SC-S cab le is a spe cial ca ble s pecifica lly desig ne d f or serie s-stacking two identic al i nverters. It consis [...]

1–6 What it does The ISC -S cabl e provides communicat ion between the two s ta cked inverters for two purpos e s. • It provide s synchronization inf ormation for invert ing a nd cha r gi ng. • It provide s a method for one inver t e r dete c t ing a n e rror conditio n t o send a shut- down command to the other inv erte r , to prevent a 240V[...]

2 Installation Chapte r 2 , “Installation” provides information on installing the DC wiring, AC W iring, and the ISC-S f or Sine W ave Plus inverters. The following topics are covered in this chapter . “DC W iring” page 2–2 “AC W iring - Genera l” page 2–6 “AC W iring - Spec ifi c” page 2–8 “Con ne c ting the ISC- S Cable ?[...]

Insta llation 2–2 975-0059-01-01 Re v A DC Wiring The success of series- sta cked , inver te r syst e m s i s depende nt on the quali ty a nd mainte na n c e of the DC connectio ns. S tacked inver ter s ets are far les s for gi ving to long, unde r sized, uneven, and/or poo r conne ct ions than a r e single invert e r s. Bat ter y Requi rement s [...]

DC Wiring 975-0059-01-01 R e v A 2–3 G round ing Seri es-sta ck ed In vert ers T o groun d series -stack ed inv erters: 1. Connect th e ground bond in the DC di sc o nne c t between the inverters a nd the batt e r ie s to the primary groundin g e le ctr ode, in accor dan ce w ith loc al and nation a l elect rica l codes. 2. Connect an appropr ia [...]

Insta llation 2–4 975-0059-01-01 Re v A Con necting t he Batt ery Bank to t he Invert ers The following in structions are ill ustrated in Figure 2- 3 . T o conn ect th e batte ry (or bat tery ba nk) to the inver ters: 1. Connect POSITIVE cable s: a) one c able from th e batte ry P OSITIVE t ermina l to a circuit breaker i n the DC di sc onnect (t[...]

DC Wiring 975-0059-01-01 R e v A 2–5 Figur e 2-3 DC Conne ctions fo r Dual Inver ters , Series -stac k ed DC Condui t L2 In v erter – + 12 Vo lt Ba t t er y 200 A h – + 12 Vo lt Batte r y 200 A h + – 12 Vo lt Ba t t er y 200 A h Se ri es S t ring 1 Se ri es S t ring 2 DC C ond uit for L1 I nverter 24 Vd c/ 2 0 0 Ah 24 V dc / 200 A h – + 1[...]

Insta llation 2–6 975-0059-01-01 Re v A A C W iring - Gener al Be sure to use t he re commende d wire and disconnect siz e as r e c ommen ded in the Owner’ s M a nua l for the Sine W ave Plus Inverte r . Inverte r A C Distrib ution P ane l (Sub-P anel) W iring (if use d) An Invert e r AC Dist ributi on Pa nel ( r e ferr ed to here as the inve r[...]

AC W iri ng - G en eral 975-0059-01-01 R e v A 2–7 Neut ral Bonding The HOT output of each inver ter provide s 120 V a c to ne ut r a l. The volt a ge betwee n the HOT outputs f r om the L1 a nd L2 inverter is 2 40 V ac when the ISC-S cable is used. When using a serie s-sta cked, i nve r t e r config ur a tion, it is importa nt to pro vide a neut[...]

Insta llation 2–8 975-0059-01-01 Re v A A C W iri ng - Spe cifi c The following AC connect ions are speci f i c to inst a l ling the S ine W ave P lus Inver ter/char ge r s in a serie s-stacked configur a t ion for off-grid a nd o n-g rid appli c a tions. Off-G rid AC Wirin g for Si ne W a ve Plu s Inve rters The f ollowing st eps ar e ill ustrat[...]

A C Wiri ng - Spe cifi c 975-0059-01-01 R e v A 2–9 Figur e 2-4 A C W iri ng fo r Seri es-stac k ed SW Plus In verters Of f Grid AC TE R MIN AL BLO CK INV OUT NEU TRAL O UT NEU TRAL 2 NEU TRAL 1 AC1 G R ID AC2 G E N AC GROUN D BAR (i n si de) (L 2) AC T ER MIN AL BLO CK IN V OU T NE UTRAL OUT NE UTRAL 2 NE UTRAL 1 AC1 G RID AC2 G EN Si ne Wa v e [...]

Insta llation 2–10 975-0059-01-01 Re v A On-Gr id A C Wirin g for Si ne W a ve Plus Invert ers Prepar e the AC wiring as follo w s for an on-gr id applic at ion using ser ie s-sta cked, Sine W ave P l us I nv e r ter /c har ge rs . The following ste ps are illust rated in Figure 2-5 . Groundi ng 1. Connect G RO UND (gre en) w i res : a) from the [...]

A C Wiri ng - Spe cifi c 975-0059-01-01 R e v A 2–11 Figur e 2-5 A C W iri ng fo r Seri es-stac k ed SW Plus I n ve rter s On Gri d AC TERMINAL BLOCK INV O UT NEUT RA L OUT NEUT RA L 2 NEUT RA L 1 AC1 G R ID AC2 G E N AC T ERMINAL BLOCK IN V O U T NE UTRA L OUT NE UTRA L 2 NE UTRA L 1 AC 1 GR ID AC 2 GEN Sin e W ave Plus Inver ter/ Ch arger 120/2[...]

Insta llation 2–12 975-0059-01-01 Re v A Gen erator A C W i ri n g t o Seri es- stacked Inve rters The f ollowing wiring diagrams show the AC wi r ing fr om an AC gener a tor to the inverte rs. The following pr oc edures a re illus trated in Figure 2-6 . W ith a ge nerator disco nne c t swit c h T o install the AC w i ring from a generator with a[...]

A C Wiri ng - Spe cifi c 975-0059-01-01 R e v A 2–13 Figur e 2-6 Gener ator Wiring to Series -stack ed SW Plus Inverters L1 L2 NEUTRAL GRO UND AC T ER MINAL BL O CK IN V OU T NE UTRAL OU T NE UTRAL 2 NE UTRAL 1 AC1 GRID AC2 GEN AC T ERM INAL BL O CK IN V OU T NEUT RAL OU T NEUT RAL 2 NEUT RAL 1 AC1 GRID AC2 GEN Sine Wav e Plus Inve r t er/Cha rge[...]

Insta llation 2–14 975-0059-01-01 Re v A Wirin g for a 240 V a c-Onl y Inp ut So u rce A 240 V ac source does not all ow for the conne ct ion to the in put of a 120 V ac inverte r as no neu tral line is supplied from the utili ty or ge nerator . In or de r t o us e stacke d inverters, a neu tral li ne must b e added by using a ce nter - tapped au[...]

A C Wiri ng - Spe cifi c 975-0059-01-01 R e v A 2–15 Figur e 2-7 A C W iri ng for a 240 V ac-Only Inpu t Sou rce AC T ER MINAL BL OCK INV O UT NE UTRAL OUT NE UTRAL 2 NE UTRAL 1 AC1 GRID AC2 GEN Sin e Wave Plus In ver ter/ Ch arger AC T ERM INA L BL OCK INV OUT NEUTRAL O UT NEUTRAL 2 NEUTRAL 1 AC1 GRID AC2 GEN Sin e W ave Plu s In ver ter/C h arg[...]

Insta llation 2–16 975-0059-01-01 Re v A C onne ct ing the ISC- S Cabl e The I SC-S Cabl e c onnects t o the S tacking P or t on the AC end of the Sine W a ve Plus Inve r t e r /c harger . The St acking P ort is a 25-pin rec ept acle for the 25-pi n D-conne c t or on the ISC-S Cabl e . Once the connector is in plac e , it is secure d by two sc re[...]

Connecting the ISC-S Cable 975-0059-01-01 R e v A 2–17 Figur e 2-10 Th e ISC-S Cable Connec ted to Dual Sine W ave Plus Inverter s Connect one end of I SC-S Cable to the St acki ng Port of the L1 inve r ter. Connect t he other end of ISC-S Cabl e t o t h e S t ac king Port of the L2 inv er t er. CA UTION; D amag e to Loa ds Until t he units are t[...]

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3 Op eratio n Chapter 3, “ Operati on ” contains information on s tartup and f unct ional testing procedures f or series-stacked Sine W a ve Plus inverters. The following topics are covered in this chapter . For t his topic : See: “S tart-up and T esting” page 3–2 “S et ting Changes” page 3–4[...]

Operat ion 3–2 975-0059-01-01 Re v A Start -up and T esti ng S tacked inve rters must operat e together i n order to provide t he 120/24 0 V ac to the loads . The ISC-S cable ensures the output f r om each inve r t e r is 180 degre es out-o f -phase f or ope ratin g 240 V ac loads. T o star t up and te s t th e inverte rs: 1. Ensure the circ uit [...]

Start-up and T esting 975-0059-01-01 R e v A 3–3 Figur e 3-1 T estpoints for Confir ming V oltages L1 L2 NE UTRAL GROUND LE G E ND GRO U ND NE UTRA L H OT L1 H OT L2 T o 240 V a c Lo ad s AC Dis t ribu ti on P a ne l (Su b - p an el ) 120/240 V ac To 120 Vac Loa ds To Ma in Ut ilit y Pa nel Gro un d To L2 Inv ert er To L2 Inv ert er To L1 Inv ert[...]

Operat ion 3–4 975-0059-01-01 Re v A Setti ng Ch ange s When oper a t ing a Sine W ave Plus in a series-sta c k e d c onf i guration, the f ollo w i ng sett ings m us t b e changed f or prope r ope r ation. See the Owner ’ s Manual for the Sine W ave Plus for deta iled inst r uc ti ons on accessi ng and ch a nging the sett ings using the Invert[...]

Setti ng Chang es 975-0059-01-01 R e v A 3–5 Automatic Generator Equalize Char ging If the i nverters a re se t t o automati call y char ge the batt eries using the gene rator , the equaliz e proc ess w i ll begin during the next, aut omatic ally started, ge ne r ator r u n period. When the equa lizing process has completed, the gene rator aut om[...]

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975-0059-01-01 R e v A WA–1 W arranty and R eturn Informatio n Wa r r a n t y Wha t does this warr anty co ver? This Limit ed W arranty is provi ded by Xa n trex T echnology , Inc. ("Xantr ex") and cov ers defect s in workmanshi p and materia ls in your Invert e r S t acking Contr ol – S e ries Cable . This wa rra nty perio d lasts fo[...]

War r anty and Return WA–2 975-0059- 01-01 Rev A Wha t do es thi s warr a nty no t cov er? T his L imited W arranty does not cove r normal wea r and tear of the pr oduc t or cos t s re l a t ed to the removal, insta ll ation, or trou bleshooti ng of the c us tom er's e l e c trical syst ems. This warran ty doe s not appl y to and Xantrex wil[...]

War r anty and Return 975-0059-01-01 R e v A WA–3 R etu rn M ate rial Autho riz atio n P ol icy Before re t urning a product dir ectly to Xantr e x you m ust obta in a Retur n Ma terial Auth orizat ion (RMA) number and the c orre c t f a c tory "Ship T o" addre s s. P r oduc ts m u st also be shipp ed prepaid. Pro duct shipmen ts will b[...]

War r anty and Return WA–4 975-0059- 01-01 Rev A Inf o r matio n About Y our System As soon as you op e n your Inverter S tacking Co ntrol – Series Cabl e p ac kage , re c ord the fol lowing inform a tion and be sure to kee p your proo f of pur cha s e . If you need t o conta ct Cus tomer Service , ple ase r ecord th e follo wing deta il s befo[...]

240 V ac-Only In put Sourc e 2–14 Abbr evi ations an d Acronym s iv AC Wi ring - Gen e ra l 2–6 AC Wi ring - Spe c if i c 2–8 Batt ery Re quiremen ts 2–2 Batt ery-Ban k C onfigura tion 2– 2 Bulk and Fl oa t Ch a rgi ng Parame ters 3–4 Connec ting the Batte ry B ank 2–4 Cu st omer Serv ice prepari ng to c a ll WA–4 DC Wi ring 2–2 G[...]

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