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APC BK250EI - page 1
Models BK250EI, BK400EI, BK600EI 230 VA C User’ s Manual Uninterruptible Po w er Sour ce APC Back-UPS ® ...
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APC BK250EI - page 2
Important Safety Instructions! Please r Please r Please r Please r Please r ead this manual! ead this manual! ead this manual! ead this manual! ead this manual! V V V V V euillez lir euillez lir euillez lir euillez lir euillez lir e ce manuel! e ce manuel! e ce manuel! e ce manuel! e ce manuel! Bitte lesen Sie dieses Anleitungshandbuch! Bitte lesen ...
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APC BK250EI - page 3
Page 1 T able of Contents 1 . 0 Introduction ..................................................................... 2 2.0 Safety! ............................................................................. 4 Sécurité! (Françias) ..................................................................... 5 Sicherheit! (Deutsch) ....................... ...
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APC BK250EI - page 4
Page 2 1.0 Intr oduction 1.1 Over view The UPS is a high performance standby uninterruptible power source designed to protect computers and peripheral devices such as monitors, modems, tape drives, etc. from utility line failures which could result in the loss or corruption of valuable data. In the event of a utility failure such as a blackout, bro ...
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APC BK250EI - page 5
Page 3 1.4 T est / Alarm Disable switch A dual function Test / Alarm Disable switch (400VA and 600VA models) allows you to check for proper operation by initiating a transfer to on-battery operation. This test ensures that the UPS is not overloaded and will support the system load during an actual power disturbance. By using the Test function throu ...
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APC BK250EI - page 6
Page 4 2.0 Safety ! Caution! ■ T o reduce the risk o f elec t ric s hoc k, d isc onnect the U ninterrupt ible P o w er Sourc e fro m the mains bef ore installing a comp u ter interfac e signal cable (w hen used). Reconnect the power c ord onl y after all signalling inte rc onnect ions have be en made. ■ Connect the U nint er ru p tible Po wer S ...
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APC BK250EI - page 7
Page 5 2.0 Sécurité ! Attention! ■ P o ur réd uir e le risque d’élect rocution, débr anc hez la prise pri nc ip ale de la s ource d’alimentation per manent e (U ninterru p tible P ow er Sour ce), av ant d’instal ler le câb l e d’inter face allant à l’or dinat eur (si utilisé). N e reb r anc hez le bloc d’alime ntation qu ’ap ...
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APC BK250EI - page 8
Page 6 2.0 Sicherheit ! V orsicht! ■ U m die Gefahr eines elektris chen Schlag es auf e in Minimum zu reduzieren, die unt e rbrec hung s fr e ie St rom ver sorgung v om Str omne tz t re nnen , b e vor gg f . ei n C omput er- Schnittst e l l ensig nalkabel ang es chlossen wi r d. Das N e tzkab el e rst nach Her st ellung al l er Signalverbind unge ...
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APC BK250EI - page 9
Page 7 2.0 ¡ Seguridad ! ¡Atencion! n P a ra red uc ir el riesgo de descarga eléctr ica, desconecte de la r e d la Fuente de ene rgía ininterr umpible antes de instalar el cable de s eñalizac ión de int e r faz de la comp utador a (si s e usa). V ue lv a a c onectar el co nductor flexible de alime ntac ión solamen te una ve z ef ectuadas t o ...
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APC BK250EI - page 10
Page 8 3.0 Installation 3.1 Receiving inspection Once the UPS has been removed from its shipping container, it should be inspected for damage that may have occurred while in transit. Immediately notify the carrier and place of purchase if any damage is found. Two output jumper cords are provided with the UPS. The packing materials are recyclable. S ...
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APC BK250EI - page 11
Page 9 ferroresonant type regulating transformers are not recommended. Use of a surge suppressor connected to the output of this UPS may unnecessarily load the UPS when on- battery. This UPS contains high performance surge suppression - additional suppression components are not required and are not recommended. If in doubt, please consult the equip ...
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APC BK250EI - page 12
Page 10 should be recharged before conducting the following Test for proper operation (section 3.7 ) and to ensure that the UPS will provide expected run time. The UPS may be used immediately upon receipt, but may not provide expected run time in the event of a utility failure. The battery will recharge to full capacity within 6 hours when the UPS ...
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APC BK250EI - page 13
Page 11 capacity of the UPS, don’t worry. The next section describes a test that you can perform to determine whether or not your equipment and the UPS are compatible, even if the computed power requirement of your equipment is 50% greater than the capacity of the UPS! 3.6.5 Once all power requirement figures have been converted to VA units and a ...
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APC BK250EI - page 14
Page 12 Note: Do not plug laser printers into this UPS! The power require- ments of a typical laser printer are much larger than the requirements of other computer peripherals and may trip the UPS’s rear panel circuit breaker. Plug laser printers into a quality surge suppressor. Remember that print jobs can be re-queued when the power is restored ...
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APC BK250EI - page 15
Page 13 Block diagram showing all major components of your UPS. 4.0 Principles of Operation Below is a block diagram showing the major components of your UPS. These blocks are described on the following pages, and are labelled accordingly. 4.1 4.1 4.1 4.1 4.1 4.2 4.2 4.2 4.2 4.2 4.3 4.3 4.3 4.3 4.3 4.4 4.4 4.4 4.4 4.4 4.5 4.5 4.5 4.5 4.5 4.6 4.6 4. ...
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APC BK250EI - page 16
Page 14 4.1 Noise and sur ge suppression The UPS contains high performance EMI/RFI (Electro-Magnetic and Radio Frequency Interference) noise and surge suppression circuitry to protect your computer equipment. The UPS provides this suppression continuously, whether or not it is turned on. Nor- mally, the UPS will continuously filter surges and elect ...
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APC BK250EI - page 17
Page 15 4.2 Load transfer switch The load transfer switch is actually an electro-dynamic relay which serves to rapidly transfer your computer equipment (load) from the utility to the UPS’s alternate power source in the event of a utility failure. When the utility is restored to within safe limits, the switch acts to re-transfer the load to the ut ...
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APC BK250EI - page 18
Page 16 4.6 T ransfor mer The UPS’s transformer is an electrical component which “steps up” the output voltage of the inverter to the normal utility line voltage. In addition, it serves to isolate the UPS from equipment failures. 4.7 Monitoring and contr ol electr onics This block is the “brain” of the UPS. The monitoring and control circ ...
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APC BK250EI - page 19
Page 17 Utility voltage sags are temporary amplitude reductions of the normal line voltage level. Utility voltage sags can be caused by local high power demand equipment such as elevators, air conditioners, shop tools and electric heaters. Brownouts, defined as long lasting utility voltage reductions, are sometimes initiated by the power company it ...
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APC BK250EI - page 20
Page 18 5.0 Contr ols and indicators 5.1 Power I/0 switch The power I/0 switch controls power to the UPS and its output receptacles. When the switch is on, the UPS operates and your computer equipment will be powered. When the switch is off, the UPS is de-energized and your equipment is unpowered. If your equipment switches are left on, the entire ...
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APC BK250EI - page 21
Page 19 sound a loud tone 2 minutes in advance of shut down due to battery capacity exhaustion. Once shut down, the UPS will return to the periodic beep. The UPS should be turned off at this point to cease the alarm. In the event the UPS encounters a severe overload, the UPS will shut down and emit a loud tone. The alarm is reset when the UPS is tu ...
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APC BK250EI - page 22
Page 20 Op t i o n Switch #2 Op t i o n Switch #3 Unde r volta g e Transfer Down (OFF) Down (OFF) 196 Vac Up (ON) Down (OFF) 184 Vac Down (OFF) Up (ON) 172 Vac Up (ON) Up (ON) 160 Vac 5.4.3 Option Switch #4 Option switch #4 sets the internal operating frequency of the inverter. It should be set to match the local line frequency. When in the down (o ...
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APC BK250EI - page 23
Page 21 6.0 UPS monitoring 6.1 Overview A UPS system alone provides excellent protection from brief power problems. However, during an extended power outage an unattended computer system will eventually shut down due to battery capacity exhaustion. To prevent data corruption when the UPS shuts down, the computer must be informed by the UPS of impen ...
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APC BK250EI - page 24
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APC BK250EI - page 25
Page 23 7.0 Difficulty Caution ! n This U ninterr uptible P ower Sourc e contains potentially hazardous v oltages. D o not at- temp t t o disass emble the unit. R e pairs are per for med only by fa ctor y traine d serv i ce per- s onnel. The unit contains no us er ser vicea ble parts ex cept for a re p laceable ba ttery . n This Unint er rup tible ...
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APC BK250EI - page 26
Page 24 7.0 Difficulté Attention ! ■ Cette so ur ce d’alimentat ion per mane n te (UPS) c ontient des c i rcuits haut e tension présentant un danger . N e jamais essay er de le démonter . Il n ’y a aucun c om p osant qui puisse être rép aré par l’utilisateu r . T ou tes les rép ar a tions doiv ent êt re effectuées par d u per - s o ...
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APC BK250EI - page 27
Page 25 7.0 Schwierigkeit V orsicht ! ■ Im I nne ren dieser unt erbrechungsf rei e n Strom ver s o r gung herrs c he n potenti e ll gefähr liche Spann un gen. N icht v er suche n, das Gerät zu öffnen . E s e nthält keine vom Ben ut z e r repa rie rba r en T e ile. Repa ra t u ren dür fen nur von aus geb ildetem K undendienstp ers onal durchg ...
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APC BK250EI - page 28
Page 26 7.0 Dificultad ¡Cuidado! ■ Esta F ue n t e de energía inint er rumpible c ontie ne ni ve les de v oltaje p e lig ro sos en p ote nci a. N o inten te desarmar la unidad, pues no contie ne piezas que puedan ser repa r adas por e l usuari o . Las reparaciones deb en efectuars e únicament e por pa rte d el personal de mant e nimie n t o ca ...
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APC BK250EI - page 29
Page 27 7.1 T r oubleshooting Chart PRO BLE M PO SSIB LE C AUSE ACTI O N TO TAK E U PS wil l no t tu rn on ( la m p wi thi n po wer I / 0 s wi tc h is n o t il lu mi na te d) , but beeps wh en power I / 0 s w it c h is on. 1. L ine cord plu g is lo os e. 1. Ch e ck fit of li n e c ord pl ug . 2 . R e ar p a ne l ci rc u i t br ea ke r i s tr ipped. ...
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APC BK250EI - page 30
Page 28 7.1 T roubleshooting Chart (continued) PRO BLE M PO SSIB LE C AUSE ACTI O N TO TAK E U P S emits l ou d ton e . P o wer I/ 0 swit ch is on but comp u ter equ ip m en t i s n ot p owe re d. U PS’ s r ea r p a n e l cir cui t b re ake r i s t ri ppe d ( b ut to n i s e xt e nd e d ) . N o r m a l u ti l it y v olt ag es are kn ow n t o be p ...
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APC BK250EI - page 31
Page 29 7.2 Replacing the Battery You can expect to receive 3 to 6 years of service life from the UPS's battery when installed in a cool, dry location. If you suspect the battery is weak, allow the UPS to charge the battery for at least 6 hours and perform the Test for proper operation described in section 3.7 . If after repeating the test you ...
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APC BK250EI - page 32
Page 30 7.3 Obtaining Service The troubleshooting chart in section 7.1 covers most of the difficulties that a user may encounter under conditions other than a failure of the UPS itself. For problems not covered in the chart, follow the below listed instructions. ■ See the tro ubleshooting char t and e liminat e the o bvious. A t ripped UPS circui ...
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APC BK250EI - page 33
Page 31 8.0 Storing the UPS 8.1 Storage Conditions The UPS should be covered and stored in an upright position, in a cool, dry location. The UPS should be stored with the battery in a fully charged state. This means that the UPS should be allowed to charge the battery for at least 6 hours before the UPS is switched off for storage. 8.2 Extended Sto ...
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APC BK250EI - page 34
Page 32 9.0 Run Time V ersus Load Load Mod el 250 Mo de l 40 0 Mo d e l 600 T ypica l com pute r l oa d 75 VA 29 min 72 min 105 min Typical mon och rome main frame termin a l 100 VA 23 min 47 min 79 min Sm a l l deskt o p sy stem wi t h 12" monitor 150 VA 14 min 30 min 54 min P oin t of sale sys te m ( cash r egi st ers) 200 VA 8 min 19 min 41 ...
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APC BK250EI - page 35
Page 33 10.0 Specifications 10.1 Input Nominal input voltage: single phase 230 Vac. Nominal input frequency: 50 or 60 Hz, selected by option switch #4. 10.2 T ransfer Characteristics Frequency limits for on-line operation: ±5% of the nominal 50 or 60 Hz. Low input voltage limit for on-line operation: 196 Vac., may be set lower. 10.3 Output Charact ...
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APC BK250EI - page 36
Page 34 10.5 Sur ge and noise suppression Surge energy rating : 320 Joules (one time, 10/1000µs waveform). Surge current capability : 6500 Amp peak (one time, 8/20µs waveform). Surge response time : 0 ns (instantaneous) normal mode. Noise filter : full time EMI/RFI suppression, 100 kHz to 10 MHz. 10.6 Operating envir onment and physical dimension ...
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APC BK250EI - page 37
Page 35 Declaration of Conformity Application of Council Directives: 89/336/EEC,73/23/EEC,92/31/EEC, 93/68/EEC,91/157/EEC Standards to which conformity is declared: EN55022, EN50082-1, EN50091, EN60950 Manufacturer's Name and Address: American Power Conversion 132 Fairgrounds Road West Kingston, Rhode Island, 02892, USA -or- American Power Con ...
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APC BK250EI - page 38
Limited Warranty American Power Conversion (APC) warrants its products to be free from defects in materials and workmanship for a period of two years from the date of purchase. Its obligation under this warranty is limited to repairing or replacing, at its own sole option, any such defective products. To obtain service under warranty you must obtai ...
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APC BK250EI - page 39
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APC BK250EI - page 40
T oll free technical suppor t: Return shipment adr essess: Numér o ver t de l'assistance technique: Adr esse d'expédition des r envois: Númer o de telefono sin costo para Dir ecciones para devolver mercadería: apoyo técnico: U nited Stat es and Canada: 1-800-800-4272 Ireland: 1-800-702000 U .K. 0800-132990 Othe rs/A u t res/Otras: +1 ...
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