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Liebert SmartSwitchTM - page 1
P OWER P ROTECTION SmartSwitch ™ Automatic T ransfer Switch Installation and Operation Manual ...
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Liebert SmartSwitchTM - page 2
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i T ABLE OF CONTENTS I MPORTANT S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.0 I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1 Speci ficat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Liebert SmartSwitchTM - page 4
ii FIGURES Figure 1 Typical Sma rtSwitch One-L ine Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Figure 2 Typical 15 to 20 Amp SmartSw itch Rackmount Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 3 Typical 25 to 60 Amp Smar tSwitch Underfloor / Wa llmount Unit . . . . . ...
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Liebert SmartSwitchTM - page 5
1 I MPORTAN T S AFETY I NSTRUCTIONS ! WARNING THERE ARE NO USER-SERVICEABLE PARTS INSIDE THE REMOVABLE ELECTRONICS MODULE. OPENIN G OR REMOVING THE COVER OF T HE REMOVABLE ELECTRO NICS MODULE MAY EXPO SE HAZARDO US VOLTAGES, EVEN WHEN THE SMARTS WITCH™ IS IN BYPASS. DO NOT ATTEMPT TO SERVICE THIS PRODUCT YOURSELF. REFER ALL S ERVICING TO QUALIFIE ...
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Liebert SmartSwitchTM - page 6
2 I n troduc tion 1.0 I NTRODUCTION The S martSw itch™ is a n auto matic t ransfe r switch design ed to provide fast automat ic tran sfers betwee n two indepe ndent, synchronous AC power sources t o provid e continui ty of AC powe r to critical eq uipment, such as i nformati on technology eq uipment, des pite irregul arities in ei ther of the tw ...
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Introduc tion 3 1.1.2 Electr ical Specifica tions • Nominal inp ut volt age 120 or 208 volts si ngle phas e 2W+G , 60 Hz 220, 230, o r 240 vo lts singl e phase 2W +G, 50 Hz 208/120 v olts sing le phase 3W+G, 60 Hz 208 volt s three ph ase, 3W+G , 60 Hz 208/120 v olts thre e phase, 4W +G, 60 H z 380, 400, o r 415 vo lts three-p hase 3W +G, 50 Hz 38 ...
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Liebert SmartSwitchTM - page 8
4 I n troduc tion T able 1 SmartSwitch™ Ratings Conne ctor Desi gnat ion Re cept acle Volta ge No. of Cond uctors OPD* Enclos ure Phas e Neutr al Gnd Pole s Amps Type Refer to IBMA 3743 208 2 — 1 2 20 R Figure 2 IBMB 3744 208 3 — 1 3 15 U Figure 3 IBMC 3753 208 2 — 1 2 30 U Figure 3 IBMD 3754 208 3 — 1 3 30 U Figure 3 IBME 7324 208 3 — ...
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Liebert SmartSwitchTM - page 9
Unpacki ng and Installa tion 5 2.0 U NPACKING AN D I NSTALLATION A quality i nstallatio n begins on the receivi ng dock. Upon receipt and before unpacking, inspect the shipping container for damage or mishandling. If carton is damaged, note on shipper’s receipt and check for concealed damage. If any damage as a result of shipping is observed , fi ...
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Liebert SmartSwitchTM - page 10
6 Un packing and In stalla tion 2.2 Input and Output Power Connections All wirin g should be installed by a qua lified electri cian. All w iring must co mply with NEC and applicable local codes. If the unit is not furnished with input power cable s, then input power connections are made to termin al blocks locat ed insid e the u nit. Refe r to the ...
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Liebert SmartSwitchTM - page 11
Unpacki ng and Installa tion 7 Figure 2 T ypical 15 to 20 Amp SmartSwitch Ra ckmount Unit 0.279" x 0 .406" (7 x 10) 5.20" (132) 18.5" (469) 0.85" (21.5) 3.5" (88.9) 17.25" (438 ) ...
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Liebert SmartSwitchTM - page 12
8 Un packing and In stalla tion Figure 3 T ypical 25 to 60 Amp Smart Switch Underfloor / W allmount Unit If the unit is furnished with input power cables, the input power co nnections are made to the receptacles matching the input powe r plugs furnished located in close proximity to the Smart- Switch (t ypically wit hin 3 feet ). The input power co ...
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Liebert SmartSwitchTM - page 13
Unpacki ng and Installa tion 9 Figure 4 sh ows th e typica l input and out put pow er conn ection s to th e SmartS witch . The Sm art- Switch can accep t up to 3 phase conductors , a neutral con ductor and a n equipment gro unding con- ductor per input and o utput to mat ch the sp ecified su pply volt age confi guration. S ee the unit ratin gs tabl ...
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Liebert SmartSwitchTM - page 14
10 Unpacking an d Inst allation 2.3 Grounding Proper , NEC-specifie d equipment grounding is required fo r safety purpo ses. An ins ulated equip- ment grounding conduct or is recommended to be run with each input and output power connec- tion. The eq uipment ground ing conductors shou ld be at least the mi nimum size conduc tor per NEC Tabl e 250-9 ...
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Liebert SmartSwitchTM - page 15
Operati ng Ins tructions 11 3.0 O PERATING I NSTRUCT IONS 3.1 Des cripti on of S martSwit ch Operat ion The S martSw itch™ is a n auto matic t ransfe r switch design ed to provide fast automat ic tran sfers betwee n two in dependent, synchrono us AC power source s to prov ide conti nuity of A C power to critical equ ipment, su ch as info rmation ...
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Liebert SmartSwitchTM - page 16
12 Operating Instructions 3.3 RS-2 32 Communica tions Port The SmartS witch co ntains a n RS-232 ASCII co mmunications po rt fo r changing us er setting s and remote monito ring of unit status and alarm information. The RS-232 port connecti ons are to a 9-pin “D” connec tor located on the outside of the uni t. See Figure 2 and Fi gure 3 for the ...
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Liebert SmartSwitchTM - page 17
Operati ng Ins tructions 13 T able 5 Example View Event Log Response DATE TIME DESCRI PTION Logged Events in clude : 10/2 1/97 16: 34:39 Trans ferr ed to Prefer red Pre ferre d Sour ce Fa il Preferred Sou rce Availa ble Alternate So urce Fail Alternate So urce Avail able Out of Sync In Sync Peak Overlo ad Peak Ov erload Gone Transfer In hibit OK to ...
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Liebert SmartSwitchTM - page 18
14 Operator Co ntrols 4.0 O PERATOR C ONTROL S 4.1 By pass/ T ransf er Contr ol Swi tch The SmartSwitch is furnished with a Bypass/Transfer Control switch. The switch is located behind the hinge d, keylocked cover. Figure 6 shows th e switch positio ns. Normal M ode. The switch should be lef t in the “Normal ” posi tion fo r automa tic tran sfe ...
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Liebert SmartSwitchTM - page 19
Operatin g Guide lines 15 5.0 O PERATING G UIDELINES After inst allat ion, the following op erating guideli nes can be use d for standa rd equipmen t opera- tion. The se guidelin es should b e revie wed for an y specia l equipment modifica tion s, specia l sit e conditio ns, or compan y policies t hat may req uire chan ges to the se operatin g guid ...
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16 O pera ting Guid eline s Transfer Control switch to “Bypass T o S2” positi on. If s ource 2 is no t availabl e and the load is not connected to source 2 bef ore the switc h is rotated t o the “Bypass T o S2” posi tion, power to the load may b e inter rupted. If the load is conn ected to sour ce 1 an d the SmartSw itch w ill no t trans fe ...
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Liebert SmartSwitchTM - page 21
Mainte nance 17 6.0 M AINTENANCE Minimal periodi c mainte nance of the S martSwitch is re quired in norma l operation. For a ssurance of conti nued protect ion agai nst Smart Switch fai lure, pe riodic tra nsfer testing of the Sma rt Swit ch is recommended. For manual transfer tests, refer to the transfer test information in the operating guideline ...
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Liebert SmartSwitchTM - page 22
18 Maintenance ...
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Revised : February 2001 SmartSwitch™ Automatic T r ansfer Sw itch T echnical Support The Company Behind The Products With mo re than 5 00,000 in stallation s around t he globe , Liebe rt is the w orld leader in comput er prot ectio n syste ms. S ince its fou nding in 19 65, Lieb ert h as dev eloped a co mplete range of su pport and prote ction sy ...
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