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HP (Hewlett-Packard) BH7800 manuale d’uso - BKManuals

HP (Hewlett-Packard) BH7800 manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso HP (Hewlett-Packard) BH7800. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica HP (Hewlett-Packard) BH7800 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso HP (Hewlett-Packard) BH7800 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso HP (Hewlett-Packard) BH7800 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo HP (Hewlett-Packard) BH7800
- nome del fabbricante e anno di fabbricazione HP (Hewlett-Packard) BH7800
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature HP (Hewlett-Packard) BH7800
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio HP (Hewlett-Packard) BH7800 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti HP (Hewlett-Packard) BH7800 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio HP (Hewlett-Packard) in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche HP (Hewlett-Packard) BH7800, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo HP (Hewlett-Packard) BH7800, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso HP (Hewlett-Packard) BH7800. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    HP Bl ade Ser ver bh78 00 Site Prepa ration Guide J une 20 02 Manuf a ctur in g P ar t Num ber: V ersi on : Thir d Ed itio n USA © C opyright 2002[...]

  • Pagina 2

    ii Legal Noti ces The i nform ation i n this docu me nt is su bject to cha nge wi thou t not ice. Hewlet t-P ac kard makes no warranty of an y kind wit h regard to th is manua l, inclu ding , but not l imited to , th e impl ied warranti es of merc hanta b i lity and fitnes s for a par ticular pu rpose . Hewlet t-P ackard shall not b e held liable f[...]

  • Pagina 3

    Con t en ts iii 1. H P Blade S erver b h7800 Ove rview Dis pla y P anel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Sys tem Ba ckpla ne . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Pagina 4

    Con tents iv Co rd Set Desc ripti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 C. C onver sion F actors and F ormulas Co nversion F act ors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Pagina 5

    Fig ur e s v Fi gure 1-1. LCD Displa y P a nel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Fi gure 1-2. bh7800 Backp lane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Fi gure 1-3. bh7800 P ow er Supplies ( Chassis R[...]

  • Pagina 6

    Fig ur e s vi[...]

  • Pagina 7

    Ta b l e s vii T able 1. P ublicati on History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 T able 1- 1. b h7 800 Server W eights and Dimensi ons as Shipped on a P allet . . . . . . . . . . . . . . . . . . . 27 T able 2- 1. F l oor Loading T erminology. . . . . . . . . . . . . . [...]

  • Pagina 8

    Ta b l e s viii[...]

  • Pagina 9

    Pref ace Befor e pr e pa ring your si te for the HP Blad e Server bh780 0, familiarize your self with th e compo nents th at compri se th e bh7800 . Use t he follow ing reference to deter mine wher e to start.[...]

  • Pagina 10

    10 Bo ok La you t • Chapte r 1 – pr ovides an overvi ew of t h e bh7800 component s , c oolin g a ir flow , shipping dimension s and weigh t and CFM valu e. • Chapt er 2 – provides spec ific inform ation ensuri n g the sit e is ready when th e bh7800 arr ives . V oltage fluc tuations, ground ing and fl o or lo ading are so me of the top ics[...]

  • Pagina 11

    Chapter 1 11 1 HP Blade Serv er b h 78 00 Over view The HP Blad e Serve r bh7 800 provides custom ers with a single chas sis that can house up to 16 function ally separ ate s ervers , c ontrol led by on e management blade. The form factor for al l th e blades uses the CompactP CI stand ar d. The ch assis mou nts in a standar d 19-inch EIA rack, in [...]

  • Pagina 12

    Chapter 1 HP B lade Ser v er bh7800 Ov erv i e w 12 col umn style r ack. Hewl ett-P ac kard Company offe rs kit s for eit her type rac k. Th e chas sis provides slot s in the front and rear for installatio n of server blades, and n et work blades. Each side accommo dates 18 blades and can house u p to eight s erver b lades pe r s ide . This chapt e[...]

  • Pagina 13

    Chapter 1 HP B lade Server bh7800 O v erview Displa y Pa nel 13 Dis pl ay P anel The b h7800 disp lay pan el provid es the controls and indic ators c ommonly used w hen o pe ratin g the bh7800. There ar e t wo L CD display asse mblies on the bh 7800. Remote c ont r ol ove r a n e two r k is an other met hod used to opera te th e bh7800. One displ a[...]

  • Pagina 14

    Chapter 1 HP B lade Ser v er bh7800 Ov erv i e w System B ackplane 14 Sys tem Backpl ane The p assive syste m backplane is centrally lo cated in t he bh7800 to ac c om modate fr o nt an d rear car d cages. 1 8 Compact PCI s lots are ava ilable on each side with u p t o five connector s per s lot. F or the CompactPCI sta ndard, the lower two connec [...]

  • Pagina 15

    Chapter 1 HP B lade Server bh7800 O v erview P ower Suppl ies 15 Po w e r S u p p l i e s Each powe r sup ply us es tw o D C co nnectors that plug into the b ackpl ane, and an AC c onnecto r br ings l ine power into the u nit. Two power s upplies a nd tw o power c ords ship wi th t he syst em. Each supply con tains an internal fan for coolin g . In[...]

  • Pagina 16

    Chapter 1 HP B lade Ser v er bh7800 Ov erv i e w HP S erver bc1100 16 H P Serve r bc11 00 Up to 16 1 slot IA-32 server blades c a n be inserted in the bh7800 c hassis . T h e 1 s lot, 1w ay IA-32 blade server is a self-contai n ed syste m. It in c ludes all me mo r y , processor , f irmware, I/O adapter s , and core I/O required to install the o pe[...]

  • Pagina 17

    Chapter 1 HP B lade Server bh7800 O v erview Net w or k Bl ade 17 Net work Bl ade The network blade is a 24-port 10/100 swit ch with a gigabit uplin k connecti on. Th e b l ade pro vides 16 of t he 24 por ts to th e backplan e , and 8 rem aining p o rts out to th e bulkh ead. In addition, th e netwo rk blade comes in three up link options: Tx (copp[...]

  • Pagina 18

    Chapter 1 HP B lade Ser v er bh7800 Ov erv i e w Manageme nt LAN Blade 18 Manage ment LA N Blade The t wo Rear Tr ansition Mo dules (RTMs ) are unique in the bh 7800 produ ct. The RT M is a pseudo s tandard CompactPCI solution. Each RTM i s a 3U blade rather than a 6U blade. Compac tPCI card for mat and t he bulkh e ad is not a CompactPCI sta ndard[...]

  • Pagina 19

    Chapter 1 HP B lade Server bh7800 O v erview Manageme nt Blade 19 Manage ment Blade The bh 7800 includ es a man agement blade th at allows r emote an d local m anageme n t of the in dividua l server and n etwork blade s. The blade monitors the chass is envi ronment such as power , te mperature , and ov erall serve r blade health. T he blad e can be[...]

  • Pagina 20

    Chapter 1 HP B lade Ser v er bh7800 Ov erv i e w F an Modu les 20 Fa n M o d u l e s There are two fan mo dule assemblies in the bh 7800. They are ho t swap modu les. Each fan modu le has an LED to ind ic at e fan f ailure. A lso, each fan can go int o th e fan mod u le o nly one w ay du e to the len gth and locat io n of th e fan cable with its bl[...]

  • Pagina 21

    Chapter 1 HP B lade Server bh7800 O v erview Slot Bloc ker Assembly 21 Slot Bl ocker A ssembl y The bh 7800 uses a c losed, pressu rized cooling s ystem. F ans draw air in the bo ttom at th e fron t of the chas sis , dir ect i t upw ards ac ross th e fron t blade s, ov er t he top of th e bac kplane, do wnwards over the rear bla des and into t he p[...]

  • Pagina 22

    Chapter 1 HP B lade Ser v er bh7800 Ov erv i e w Cabl e Manageme nt T ray 22 Cabl e Management Tr ay The ½ EIA uni t high (1/2U) cable man agement t ray provide s a c hannel for c ables an d helps prevent the acci dental discon nection of cab les fr om thei r respec tive blades . Th e tra y is provide d for H P Rack System/E four post ca binets, N[...]

  • Pagina 23

    Chapter 1 HP B lade Server bh7800 O v erview Front Vie w 23 Fro n t Vie w The c omponents av ai lable at t he front of this 13 EIA u nit high (13U) serv e r are • Eighteen individua l CompactPCI slots support ing defined config urations for 1 s l ot and 2 slot PCA ’s • One front LCD displa y panel • The syst em backplan e is remo vable from[...]

  • Pagina 24

    Chapter 1 HP B lade Ser v er bh7800 Ov erv i e w Rear View 24 Rear Vie w The c omponents avai lable at t he rear of this 13 EIA uni t high (13U) server are • Two hot swap N+1 p ower supplies • Two hot sw ap N+1 fa n modul es (hi dden behind the rea r pane l dis play) • Eighteen individual Compa ctPCI slots suppor ting defined confi gurations [...]

  • Pagina 25

    Chapter 1 HP B lade Server bh7800 O v erview Ai r Fl ow 25 Air Flow Fi gure 1-13 b h7800 Cooling Airflow (Chassis Rear V iew) The b h7800 u tilizes a f ro nt to bac k c ooling scheme. F our 150mm d iameter 48 V D C fans c ool t he syst e m, one in each power sup ply and two in in d ep enden t carr iers. Ref e r to Ap pendix A for Syst e m Sp ecific[...]

  • Pagina 26

    Chapter 1 HP B lade Ser v er bh7800 Ov erv i e w Ai r F low 26 suppl ies and up through the front card cage. Air t hen passes over the top of the backplan e, thro ugh the top re ar fa ns a nd down t hro ugh the re a r car d cage . It tr av els thro ugh the rea r sec t ions of t he p o wer s uppl ies and out thr ough the re ar power supp ly fans. Fi[...]

  • Pagina 27

    Chapter 1 HP B lade Server bh7800 O v erview Shipping Di mensions and W eights 27 Shippin g Dimen sions and W eights T ab le 1-1 lists the dime nsions and we ig h ts o f the bh 7800 server with the shipp ing pa llet. T able 1-1 bh7800 Server W e i ghts and Dim e nsions as Shipped on a P alle t Equ ip ment W idt h (c m) Dept h/Le ngt h (c m) Heig ht[...]

  • Pagina 28

    Chapter 1 HP B lade Ser v er bh7800 Ov erv i e w Sh ippi ng Dimensions and W ei ght s 28[...]

  • Pagina 29

    Chapter 2 29 2 General Sys tem and F ac ility Guidelines This ch apter provides ge neral com puter fa c ilit y guideli nes for pla nning an d preparing t he site. Car eful site plan ning and preparati on ensures troubl e-free inst allation and r elia b l e operat ion of HP servers. F actors that may contri bute t o less than op timal e quipment ope[...]

  • Pagina 30

    Chapter 2 Gener al Syst em and F ac ili ty Guidelines Elect rical F actor s 30 Elect rical F act ors NO TE Electric al p ractices an d sugges tions in this guid e are based on No r th Amer ican pr actices . F or countr ies a nd areas outs ide North Am erica, local elec trical codes will tak e pr ecedenc e over Nort h American electr ical codes . An[...]

  • Pagina 31

    Chapter 2 General S ystem and F acili ty Guidelines Electrical F actors 31 Sources of V oltage Fluc tuations V olta ge flu ctuations, someti mes called g litch es , affect the qual ity of electri cal power . Common sour ces of thes e fluc tuations a re: • F luctuatio ns occurrin g within th e faci lity’s distribut ion syste m • Utility s ervi[...]

  • Pagina 32

    Chapter 2 Gener al Syst em and F ac ili ty Guidelines Elect rical F actor s 32 Racewa y Systems (Electrical Conduits) LAHJ Racew ays (elect rical conduits) form part of t he prot ective g round pat h for pe r s onnel and equipmen t. Racew ays pr otect the wiring fr om accident a l damage and also provide a heatsin k fo r the w ires . Any of the fol[...]

  • Pagina 33

    Chapter 2 General S ystem and F acili ty Guidelines Electrical F actors 33 Dual Power Source Groun di ng When dual power so urces ar e utilize d, s tr on g cons ideration should be g iven to measur e vol tage pot e n tials. The use o f dual power mi ght c reate an el ectrica l poten tial that c an be hazard ous to personn el and mi ght cau se per f[...]

  • Pagina 34

    Chapter 2 Gener al Syst em and F ac ili ty Guidelines Elect rical F actor s 34 Equi pme nt Groun ding I mplem enta t ion De tails Conn ect all Hew le t t-P ackard equ ipment cabi nets to the site gro und gri d as follo ws: 1. Attach one end of each ground strap to the appli cable cabinet gr ound lug . 2. Atta ch the o ther en d to the near est pede[...]

  • Pagina 35

    Chapter 2 General S ystem and F acili ty Guidelines Electrical F actors 35 System Inst a llation Guidelines This section c onta ins infor mation about in stallatio n prac tices. Some c o mm on pitf alls a re high lighted. Wir i ng conne ctions and d ata c om munic ations cable inst allations are discussed. NO TE In domes tic installa tions , the p [...]

  • Pagina 36

    Chapter 2 Gener al Syst em and F ac ili ty Guidelines En vi r onmental F act ors 36 Envi ronm ental F actors The enviro nmental factor s discussed i n t h is section a re: • Comput er Room Preparat ion • Space Requiremen ts • Floor Loadin g • Coo ling Requirements • Air Co nditio ning Ducts • Hu midity L evel • Du st and P ollut ion C[...]

  • Pagina 37

    Chapter 2 General S ystem and F acili ty Guidelines En vi r onmental F act ors 37 Deliv e ry p lans should inc lude the pos sible removal of walls or doors. The ph ysical dimen s ion s for applic able compu ters and peripheral equ ipment are summarized i n Appendix A . Operati onal Spa ce Requirements Other fact ors must be con sidered along w ith [...]

  • Pagina 38

    Chapter 2 Gener al Syst em and F ac ili ty Guidelines En vi r onmental F act ors 38 Fl oor Lo ad ing The co mputer room floor must be able t o s uppor t the total weig ht of the ins talled co mputer sys tem as well as the weig ht of the ind ividual cabin ets as they are move d into positio n. Floor loading is usu ally no t an issue in no nraised fl[...]

  • Pagina 39

    Chapter 2 General S ystem and F acili ty Guidelines En vi r onmental F act ors 39 Co olin g Re qui remen ts Air conditionin g eq uipmen t re quireme nts and recom mendation s are describe d in t he follow ing se ctions. App e nd ix A summar izes air conditio ning requ iremen ts for t his HP server . Basic Ai r Conditi oning Equipmen t Requirement T[...]

  • Pagina 40

    Chapter 2 Gener al Syst em and F ac ili ty Guidelines En vi r onmental F act ors 40 • Chil le d water p ac kag e unit with rem ote chilled water plan t. The se systems ar e av ai lable with up or dow n disc harge and are usually loc ated in the co mputer r oom. • Cent ral st ation air ha ndling units with re mote r efriger ation equ ipment. The[...]

  • Pagina 41

    Chapter 2 General S ystem and F acili ty Guidelines En vi r onmental F act ors 41 Ba si c A ir D ist ri bu tio n S yst em s A basic air distr ibution syst e m in cludes su p pl y ai r and retu rn air . An air distr ibution s ystem should be zoned to deliv er an a d equate amoun t of su pply air to the cooling a ir intak e ven ts of t he c omputer s[...]

  • Pagina 42

    Chapter 2 Gener al Syst em and F ac ili ty Guidelines En vi r onmental F act ors 42 Air Co nditi o ning Ducts Use s epa rate co mput er ro om ai r condit io ning du ctwo rk. If i t i s no t s epa rate f rom the rest o f the b uil din g , it migh t be diff icult to contr ol co o ling an d air pre ssure leve ls . Duc twork seals ar e imp ortant for m[...]

  • Pagina 43

    Chapter 2 General S ystem and F acili ty Guidelines En vi r onmental F act ors 43 • Eatin g or drinkin g—Esta blish a no e ating or drinkin g polic y . S pilled liqu ids can cau se short circuits in equi pment such as keyboa rds . • Tile floor s—Use a d ust-a b s orbent clot h mop rather than a dry mop t o c lean tile floor s. Special preca[...]

  • Pagina 44

    Chapter 2 Gener al Syst em and F ac ili ty Guidelines En vi r onmental F act ors 44 Acoustics (noise reduction) Computer equ ipment and air condi tionin g blowers cause comput er rooms to be noisy . Ambient n oise level i n a co mpute r r oom ca n b e re duce d as fo llo ws : • Dr o ppe d ceiling— Cover wit h a com mercial grade o f fir e -re s[...]

  • Pagina 45

    Chapter 3 45 3 HP Bl ade Server bh7800 P ower This c h apter provide s par t number s for a ll the c ord sets (power c or d s) available for the bh 7800 ser ver . Basic power up an d power dow n is covered. The power distribu tion unit i nformati on and cord set part numbers comple te the chapter .[...]

  • Pagina 46

    Chapter 3 HP B lade Ser v er bh7800 P ower HP Blade Ser ver Initi al P ower- Up 46 HP B lade S er ver I niti al P ow er -Up Before applying power to the bh7800, verify that t he te rmin al (a PC with a termi nal emulat o r inst alled will suffi ce) is connected to t he man a g ement b lade an d turned on . P ower Cords Suppli ed Each bh780 0 po w e[...]

  • Pagina 47

    Chapter 3 HP Blade Serv er bh7800 P ow er HP Blade Server I ni t ial P ow e r - Up 47 HP S erver P ower-Up Step 1. Locat e the server blade i n slot F1 (s erve r front, slot 1) and plug in a VG A monit or to t he monitor port . Step 2. Pl ug i n a keyboar d to one of the two USB ports o n the same serve r blade in slot F1. With out further inter ac[...]

  • Pagina 48

    Chapter 3 HP B lade Ser v er bh7800 P ower Connect ing A C P ower usi ng a PDU 48 Conne ct ing AC P ower usi ng a PDU The b h7800 tem porarily draws a large inrush c u r rent, when first conn ected to an AC power source. The inrus h curren t is much greater than th e bh7800’s normal ope r at ing curr ent and generally , the AC pow e r so urc e c [...]

  • Pagina 49

    Appendi x A 49 A Syst em Spec ifications a nd Requi rements This appendix contains specific p aramete r s applicable to t h e b h7800 s e r v er . T e mperature, p ow er requirem ents, an d power diss ipation figures ar e prov ided.[...]

  • Pagina 50

    A ppe ndix A System Speci f ications and Requirements System Sp ecificatio ns 50 Sy stem S pecifi ca tio ns NO TE The M ar ke d Electrical for the bh7800 ser v e r i s 16 A. The recom mended c ir cuit breaker s ize is 20 amps for Nor th Ame r ica. F o r c oun tr i e s or areas outsid e North America, c ons u lt you r local elec tric al authority ha[...]

  • Pagina 51

    Appendi x A System Specificati ons and Requi rements System Specifications 51 Fi gure A-1 P ower Supply Label[...]

  • Pagina 52

    A ppe ndix A System Speci f ications and Requirements System Sp ecificatio ns 52 T ab le A-2 Envir onmental C ondition s P a ra meter s Co ndit ions Te m p e r a t u r e Opera tin g 68 °F to 77 °F (20 °C to 25 °C) Recommended 41 °F to 95 °F (5 ° C to 35 °C) up to 5000 feet a a. Above 5000 feet, derate 1 °C per 1000 feet altitude to 30 °C [...]

  • Pagina 53

    Appendi x A System Specificati ons and Requi rements System Specifications 53 This tabl e can be copied and us e d to plan your air con d itio n ing requ irements for your serv er(s). Us e the footn otes at the botto m of this pag e to assist in cal culating the va lues. See T able A-6 for an example of how to arriv e at a value requir ed for air c[...]

  • Pagina 54

    A ppe ndix A System Speci f ications and Requirements System Sp ecificatio ns 54 T o illustra te how to us e T able A -5, le t us assu me t hat we have a single chassis s erver loaded with 10 HP serve r bc1100 blad es , one network blade, one managem ent blade, and two manage ment LAN blade s . T ab le A-6 indica tes that 0.167 to ns of air conditi[...]

  • Pagina 55

    Appendi x B 57 B P ower Pl ug C onfiguration There are seve ral differen t cord se ts (power cables) desig n ed for the bh7800 . The coun try or area destinati o n will d etermin e which c ord set ships w ith th e bh7800. T his g uide pro vides the site pr eparation specialis t with the kn owledg e of what to ex pe ct to recei ve bas ed on their ge[...]

  • Pagina 56

    A ppe ndix B P ower P lug Configur ation Cor d Set Description 58 Cord Set Descri ption The pow er cables (cord sets) shipping w ith the bh7800 wil l be 4.5 meter o r 2. 5 me t e r lo n g c ables. The cor d set below s hows a 5-20P pl ug on one en d and th e C19 fe male pl ug on the ot her end. F igure B-1 Cord Sets Fe mal e E nd of Cor d S et The [...]

  • Pagina 57

    Appendi x B P ower P lug Configur ation Cor d Set Description 59 M ale En d of Cor d Set Depe nding on th e country o r area the b h7800 is sh ipped to, the m ale plug o n the other en d of the po w er cable will va ry . Fi gure B-3 Male Plug Types Unterminated Plug L 6-20 Plug IEC 309 Pl ug CEE 7- 7 Plug L 6-30 Plug NEMA 5-20P Plug IS I 3 2 P lu g[...]

  • Pagina 58

    A ppe ndix B P ower P lug Configur ation Cor d Set Description 60[...]

  • Pagina 59

    Appendi x C 61 C Conv ersion F act or s and F ormulas Conv ersion fact ors a nd formula s fo r data c alcula tions for systems not c onformin g specif ical ly to the conf igurati ons listed in this Site Pr eparati on G u ide are provided. Conversion factor s used in this document are pr ovid ed.[...]

  • Pagina 60

    A ppe ndix C Conv ersion F actors and Formul as Con versi on Factor s 62 Co nve rsion F ac tor s Refrigerati on • 1 wat t = kc al /h • 1 wat t = 3.412 Btu/h • 1 wat t = 2.843 x 10 -4 tons • 1 t on = 200 Bt u/m in • 1 ton = 12, 000 B tu /h • 1 t on = 3 , 517 . 2 W Metric Equivalents • 1 ce nt i me t e r = 0.3937 in • 1 m e ter = 3.28[...]

  • Pagina 61

    Glossa ry 63 Glos sar y A-B Appa rent po wer A value of power for AC circ uits that is calculat ed as t he produ ct of RMS curren t times R MS volta ge , withou t t aking the po wer facto r into ac c oun t. ASHRAE Standa rd 5 2-76 Industr y standard f o r air filt ration effic iency set forth by t he American Soci ety of H eating , Re frigerat ing [...]

  • Pagina 62

    Glossary Latent coo ling cap acity Glossar y 64 64 L-N Latent coolin g cap acit y An ai r co ndit io nin g syste m's capabilit y to remo ve heat from th e air . Leak age curre nt A te rm rel at ing t o cu rre nt flowi ng between the AC supply w ires an d earth grou nd. The te rm do es not nece ssaril y deno te a fault condi tion. In power supp[...]

  • Pagina 63

    Gl os sa r y Wa tt Glossa ry 65 U-Z USB USB is a ser ial bus u sed for hu man in terface devices as w ell as lo w-band width multim e dia devic es. It is fully plug and play and h o t pluggable . Va p o r s e a l A vapo r sea l is an e ssentia l part of preven ting mois ture inf iltr a tion into or migr ation out of a critical sp ace , such as a da[...]

  • Pagina 64

    Glossary Wa tt Glossar y 66 66[...]

  • Pagina 65

    65 Index A acoustic al noise red u c tion , 44 ai r co ndit io ning duct s , 42 air distri bution systems , three t ypes of , 41 air flow rea r v iew , 25 side vie w , 26 air in take tem pera ture , 26 B backplan e , 14 bh7800 front view , 23 inr ush cu rren t , 48 rea r v iew , 24 C C19 type plug , 58 C20 type plug , 58 ca b l e managemen t tray ,[...]

  • Pagina 66

    Index 66 static cha rge con trib utor s , 43 precau tions , 43 sta tic pr otection measu res , 43 suppl y a i r temperat ure , 41 V voltag e fluctuatio n sour ces , 31 W wi rin g sel ect ion , 31 Z zinc w hiskers , 42[...]