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Manual Liebert Series 610

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Summary
  • Liebert Series 610 - page 1

    P OWER A V AILABILITY C ONTINUOUS P OW E R -T IE C ONFIGURA TION U SER M ANUAL Series 610 Multi-Module UPS ...

  • Liebert Series 610 - page 2

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  • Liebert Series 610 - page 3

    i T ABLE OF CONTENTS 1.0 S YSTEM D ESCR IPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 System Flexibility . . . . . . . . . . . . . ...

  • Liebert Series 610 - page 4

    ii 4.0 O PERATING I NSTR UCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.1 Initial System Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.2 Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Liebert Series 610 - page 5

    System Description 1 1.0 S YSTEM D ESCRIPTION 1.1 Function The Liebert Continuous Po wer-Tie™ system provides the capability to momentarily or continuously parallel the output buses of two otherwise inde pendent UPS Systems (See Figure 1 ). It also provides manually initiated, uninterrupt ed transfers of a critical load bus between the two UPS Sy ...

  • Liebert Series 610 - page 6

    System Description 2 Figure 1 Basic Dual-Bus Power- Tie one- line diagram ...

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    System Description 3 Figure 2 Power-Tie sy stems - fault isolation issues ...

  • Liebert Series 610 - page 8

    System Description 4 Figure 3 Power-Tie sy stems - control interface diagram ...

  • Liebert Series 610 - page 9

    System Description 5 1.4 Control System Features A key control feature necessary for successful momentary or continuous tie operation of two UPSs is the dynamic load current sharing function. A key design requirement for max imizing multiple system reliab ility and inve rter availability in tied configurations is assuring maximum syst em inde pende ...

  • Liebert Series 610 - page 10

    System Description 6 1.5.2 Moment ary Tie Operatio n See Figure 3 . Momentary Tie operation provides manually initiated, uni nterrupted transfers of a critical lo ad bus between two otherwise independent multi-module UP S s ystems. This topology permits indi vidual UPS shutdown for maintenance while its load conti nues to be supplied by another UPS ...

  • Liebert Series 610 - page 11

    System Description 7 The Tie Control Unit also contains interl ock and mo nitoring circuitry necessar y to assure successful transfers of load between UPS systems. These consist of the following : 1. Sync Verification circuit ry, similar to the circuitry employed in each UPS, provides the sync check function in two independent modes: a. Phase Diffe ...

  • Liebert Series 610 - page 12

    System Description 8 Synchronizing activity takes place automatically once the preferred sour ce is chosen and a manually initiated “SYNCH RONIZE SYSTEMS” signal is given. Visual indicators show that the systems are synchronizin g and when the sys tems are ready for the ma nually initiated, automatical ly controlled paralleling sequence. Contin ...

  • Liebert Series 610 - page 13

    System Description 9 1.5.5 Modes of Operation See Figure 4 . The Power-Tie Uninterruptible Po wer System is designed to operate in the following modes: 1. Normal - Each load bus is fe d from its respective UPS and the tie breaker is open. E ach inverter is synchronized to its respective bypass sou rce. Each load is supplied by it s inverter(s), wit ...

  • Liebert Series 610 - page 14

    System Description 10 Figure 4 Power-Tie sy stem one-line diagram ...

  • Liebert Series 610 - page 15

    Operation Description 11 2.0 O PERATION D ESCRIPTION There are two types of ope rations which can be performed with the Li ebert Continuous Power- Tie System. • Create a continuous tie between th e critical buses of two UPS systems • Transfer of a critical load between two UPS systems 2.1 Continuous Power-Ti e The following sequence of o perati ...

  • Liebert Series 610 - page 16

    Operation Description 12 Figure 5 Control p anel layout ...

  • Liebert Series 610 - page 17

    Operation Description 13 2.2 Sep arating T ied Systems The following sequence of operations describes th e actions taken to separa te two tied UPS systems. Synchronize Systems From the CONTINUOUS TIE CONTROL section, press the SYNCHRONIZE SYSTEMS button. The button’s light turns off to provide a visual indication of the operator ’s intention to ...

  • Liebert Series 610 - page 18

    Operation Description 14 2.4 Combined Loads on One System from Continuous T ie Operation To combine two loads onto o ne system, pe rform a LOAD TRANSFER BETWEEN UPS SYSTEMS ( 2.3 - Load Transfers Between UPS Systems ). The operator selects the system he wants to main- tain both loads using the TRANSFER LOAD TO buttons. The operator can then proceed ...

  • Liebert Series 610 - page 19

    Operation Description 15 Line Sync Signal The Line Sync signal is sent betw een UPS systems when they are in parallel. Isolatio n amplifiers iso- la te the Li ne Sy nc s ig na l le ve ls between the two systems. The Line Sync signal synchronizes the UPS systems to the Primary Bypass line. By maintainin g sync with the Primary Bypa ss, uninterrupted ...

  • Liebert Series 610 - page 20

    Operation Description 16 Figure 6 Power-Tie sy stem - fault isolation issues ...

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    Operation Description 17 Figure 7 Power-Tie sy stems - fault tolerance ...

  • Liebert Series 610 - page 22

    Operation Description 18 2.7 Improper User Operation See Figures 4 and 5 . The Power-Tie Operator controls and logi c are designed so that improper opera- tor use does not directly cause a lo ss of critical bus function s. Additional security functions, such as removable key switches, are availa ble as system options. T ra nsfer Operation Transfer ...

  • Liebert Series 610 - page 23

    Operation Description 19 2.8 T ie Circuit Breaker or Logic Fault s The Continuous Power-Tie system ha s been designed to anticipate circuit breaker and logic faults. Should a circuit breaker or logic fault occur, the Power-Tie system maintains the critical bus function under fault conditions 2.8.1 What Happens If a Failure Occurs Duri ng a Power T ...

  • Liebert Series 610 - page 24

    Control Panel Desc ription 20 3.0 C ONTROL P ANEL D ESCRIPTION Refer to Figure 5 . 3.1 Mimic Panel The Mimic panel consists of the following: • UPS SYSTEM 1 - PRIMARY BYPASS • UPS SYSTEM 2 - PRlMARY BYPASS • UPS SYSTEM 1 - ON BYPASS • UPS SYSTEM 2 - ON BYPASS • LOAD 1 CIRCUIT BREAKER • LOAD 2 CIRCUIT BREAKER • TIE CIRCUIT BREAKER •L ...

  • Liebert Series 610 - page 25

    Control Panel Desc ription 21 Tie Circuit Breaker These two lights indicate the OPEN (Red light) or C LOSED (Green l ight) state of the Tie ci rcuit breaker. Load 1 - Normal This light indicat es that Load 1 is being supplied b y UPS System 1. Load 1 supplied by UPS system 1 represents the normal operating mode. Load 1 - On System 2 This light indi ...

  • Liebert Series 610 - page 26

    Control Panel Desc ription 22 OK to T ransfer Load 2 to System 2 This light indicates th at it is safe to transfer Load 2 from UPS System 1 to UPS System 2. The trans- fer occurs when the PUSH TO TRAN SFER AFTER OK button is pressed, b ut only if this light i s on. T ransfer Control Disabled This light indicat es that load transfers are not al lowe ...

  • Liebert Series 610 - page 27

    Control Panel Desc ription 23 3.3 Continuous T ie Control This section of the control panel provides indicato rs and controls for the control of tied systems functions. OK to Tie Systems This light indicates that it is safe to tie UPS Sy stems 1 and 2 together. The systems are tied after the PUSH TO TIE SYSTEMS A FTER OK button is pressed, but only ...

  • Liebert Series 610 - page 28

    Control Panel Desc ription 24 V oltage Lockout This light indicates the sys tem voltages are too far apart to allow safe transfers and parallel operation of the UPS systems. To correct th is condition, adjust the UPS system voltage to proper levels. If both system voltages are adju sted correctly, and the PHASE LOCKOUT alarm is not pr esent, then c ...

  • Liebert Series 610 - page 29

    Operating In structions 25 4.0 O PERATING I NSTRUCTIONS Refer to Figure 5 . 4.1 Initial System St art-Up All load circuit breakers and tie ci rcuit breakers are initially open. 1. Press the CLOSE LOAD 1 button located on th e panel behind the Cont rol door. The Load 1 breaker should close when the button is pressed. 2. Press the CLOSE LOAD 2 but to ...

  • Liebert Series 610 - page 30

    Operating In structions 26 4.2.4 Isolating a UPS System for Maintenance - Combin ed Loads Operation Both Load circuit breakers are in itially closed and the Tie circuit breaker initially open. The Tie cir- cuit breaker is closed if the UPS systems are cu rrently in parallel operatio n. 1. Select the UPS system that will carry both loads by pressing ...

  • Liebert Series 610 - page 31

    Operating In structions 27 4.2.6 Returning an Isolated System to Normal Operation - End Combined Loads Operation One Load circuit breaker and the Ti e circuit breaker are closed. The Load circuit breaker of the iso- lated system which was be ing serviced will be opened. 1. Select the UPS system to accept the load. Press the TRANSFER LOAD TO SYSTEM ...

  • Liebert Series 610 - page 32

    Operating In structions 28 4.2.9 Abnormal Operations Improper Transfer Transfers can not be performed unless the OK TO TRANSFER LOAD (#) TO SYSTEM (#) light turns on. This makes it difficult to begin an improper transfer. The source feeding the UPS module s does not matter because the UPS inverter output is isolated from the rectifier. The logic pe ...

  • Liebert Series 610 - page 33

    Operating In structions 29 4.2.1 1 Continuous T ie-Systems A UPS system that has lost one or more modules ca n be taken off-line for service. The UPS system with partial capacity can be contin uously tied to the other UPS system (a lso full or partial capacity) and the critical load s of both systems are protected by the single, fully red undant UP ...

  • Liebert Series 610 - page 34

    Operating In structions 30 Maintenance Procedures - T ie Control Logic and Power Component s Refer to the procedures in 4.2.3 - M aintenance Procedures - Isol ating Each UPS System to iso- late the UPS’s load circuit breaker and the associated downstream fe eders for service. By using downstream switchover devices for the indi vidual critical loa ...

  • Liebert Series 610 - page 35

    Operating In structions 31 T rouble Recovery While failures are extremely unlikely, this system ha s been de signed to allow restart from any system configuration once the fa ult has been corrected. Refer to 1.5.5 - Modes of Operation for a descrip- tion of the operating modes. 4.2.12 Isolation for Maintenance See Figure 8 . Once the critical loads ...

  • Liebert Series 610 - page 36

    Operating In structions 32 Figure 8 Power-Tie sy stem one-line diagram ...

  • Liebert Series 610 - page 37

    Operating In structions 33 4.2.13 Operation Scenarios/T ransfer Procedures Refer to the section listed below each figure for the operational procedure to perform the function indicated. Figure 9 From st art-up to normal operation, loads to be split between two distribu tion feeders Figure 10 From combined loads operation to load s split between two ...

  • Liebert Series 610 - page 38

    Operating In structions 34 Figure 12 T ransfer both load feeders to one UPS Figure 13 Both feeders on one system t o normal operation Figure 14 T ransfer 100% load on one system to 100% load on a second sy stem (a two-step operati on) M 1 M 1 SS 1 SS 2 M 2 M 2 System 1 System 2 Load 1 Load 2 Tie FROM: Normal Operatio n Tie Open See 4.2.4 - Isolatin ...

  • Liebert Series 610 - page 39

    Operating In structions 35 Figure 15 Normal split load operations to Cont inuous Tie Figure 16 Continuous Tie to normal split load operation Figure 17 Continuous Tie to load on one system M 1 M 1 SS 1 SS 2 M 2 M 2 System 1 System 2 Load 1 Load 2 Tie FROM: Normal Operatio n Tie Open See 4.2.11 - Tying the UPS Systems - Continuous Parallel Operatio n ...

  • Liebert Series 610 - page 40

    Operating In structions 36 Figure 18 Load on one system t o Continuous T ie Figure 19 One system in byp ass to both feeders combined on re maining operational syst em See 4.2.11 - Tying the UPS Systems - Continuous Parallel Operatio ns . LEGEND: M x = Module SS x = St atic Bypass Switch M 1 M 1 SS 1 SS 2 M 2 M 2 System 1 System 2 Load 1 Load 2 Tie ...

  • Liebert Series 610 - page 41

    Operating In structions 37 Figure 20 One system in byp ass to Continuous Ti e operation (Option 1) Figure 21 One system in byp ass to Continuous Ti e operation (Option 2) M 1 M 1 SS 1 SS 2 M 2 M 2 System 1 System 2 Load 1 Load 2 Tie M 1 M 1 SS 1 SS 2 M 2 M 2 System 1 System 2 Load 1 Load 2 Tie FROM: One System in Bypass Mode Tie Open Restart the by ...

  • Liebert Series 610 - page 42

    Operating In structions 38 ...

  • Liebert Series 610 - page 43

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  • Liebert Series 610 - page 44

    The Comp any Behind the Products With over a million installations around the glob e, Liebert is the world leader in computer protection systems. Since its founding in 1965, Liebert has developed a complete range of support and protection systems fo r sensitive electronics: • Environment al systems—close-control air conditioning from 1 to 60 to ...

Manufacturer Liebert Category Power Supply

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Liebert Series 610 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Liebert Series 610.

A complete Liebert manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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