Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Table of Contents 1 Introduction General 1 - 1 Documentation 1 - 2 Customer Training 1 - 2 Customer Service 1 - 2 Technical Support 1 - 2 Product Repair and Return...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Reserve capacity 3 - 6 Charge capacity and recharge time 3 - 8 Battery string voltage drop and balancing 3 - 9 Battery size versus voltage drop 3 - 10 Calculating voltage drop...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Introduction General Thank you for making the Right Choice, a Lucent Technologies ® ® Lineage 2000 Energy Systems product. The Lineage 2000 family name of premier energy system products is globally recognized as the right choice for the ultimate in systems performance and reliability.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 datalogger. Supplementary battery bays (J85504C-1 and J85504D-1) add battery reserve time. These bays can house up to two 48-volt strings of 250- or 375-ampere hour batteries or four 48-volt strings of 125-ampere hour IR Series batteries to provide a maximum of 2625 ampere hours at the 10-hour rate.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Product Repair Repair and return service is provided for Lucent Technologies customers around the world. For customers in the United States, and Return Canada, Puerto Rico, and the US Virgin Islands, call 1-800-255- 1402 for information on returning of products for repair.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 commercial or standby ac fails. This battery reserve is engineered to supply dc power for a specific period of time. In normal practice, battery capacity is sized to provide 3 to 8 hours of reserve time.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 ® ECS battery The Lineage 2000 Evolutionary Control System (ECS) Battery Plant is shown in Figure 1-1. The ECS battery plant provides plant physical power for the using equipment as well as float and recharge description capability for the battery reserve.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 ® Lineage 2000 2VR250E or 2VR375E batteries or four 48-volt ® strings of Lineage 2000 125-ampere hour IR Series batteries. A maximum of three two-string high (VR) or five one-string high...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 ® Rectifier The Lineage 2000 SR Series rectifiers are designed specifically for applications where small size, low weight and ease of installation are of overriding importance. The rectifiers utilize a combination of switch-mode technology and forced air cooling to achieve a significant reduction in size and weight over conventional ferroresonant rectifiers.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 ® Like the VR Series batteries, the Lineage 2000 IR Series batteries are ideally suited for use in the ECS battery plant. The 12-volt 12IR125 battery is used in strings of four. The battery stand (List 9) furnished with the J8500D-3 battery plant accommodates four strings of 12IR125 batteries.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 DO NOT EXCEED 200 AMPERE LOAD PER C H A R G E R E T BUS BAR U R N B A T T E R B U S D I S...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 1 1 / 3 A 1 1 / 3 A 2A Lucent LINEAGE 2000 10 11 12 FAIL LVD/R OPEN Figure 2-5: ECS dc distribution panel (front view) ECS dc The ECS dc distribution elements are shown schematically in Figure 2-2 and pictorially in Figure 2-3.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 from the rectifiers and/or batteries. The shunt has a full scale rating of 50 millivolts at the maximum plant current of 300 amperes. The shunt millivolt signal is sent, via the CP5 Fuse Board, to the controller where it is translated to amperes and displayed on the digital meter.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 failure of either voltage detector circuit lights the yellow “LVD FAIL” LED, but the contactor will stay closed. A Fuse Alarm Minor (MNF) is issued when a LVD circuit fails, lighting a yellow LED on the controller front panel and sending Power Minor (PMN) alarms to the alarm reporting center.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 be raised 4.0VDC when the temperature returns to 65°C (149°F). A green indicator lights up to show an active module. A yellow indicator lights up to show temperatures above 53°C and blinks to show temperatures above 75°C.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Engineering, Planning and Ordering Lucent Technologies offers a wide variety of engineering services that range from complete telecommunications installations to custom modifications of in-place equipment. For more information on the type of services that best meet your engineering needs, contact your Lucent Technologies account executive.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 General The using system, also referred to as the load equipment, determines many characteristics of the power equipment. engineering Service and maintenance strategies also affect the selection of calculations power equipment. This section describes, through the following topics, the types of basic power specifications and how they may be determined.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Battery voltage Battery plant operating voltage is directly related to the recommendations of the battery manufacturer. These recommendations must include: • the steady-state voltage for maximum life or float voltage, •...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 7. Minimum cell voltage at end of discharge: ____ volts 8. Is boost or equalize charging recommended? ____ (yes or no; boost or equalize charging is not recommended for the Lucent Technologies VR Series battery) If “yes”, the maximum recharging voltage per cell: ____...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 equipment may have a combination of resistive and constant power characteristics. In the telecommunications industry, List 1 and List 2 are the designations of the load current drains which have historically been used to size various elements of the battery plant.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 service is another factor which will vary from application to application. Table 3-C lists reserve time practices which have been used in some telecommunications applications where maintaining power to the load is critical. The figures are not intended to be...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 vendors also supply ratings at other discharge rates, such as 3-, 5- and 24-hour rates. Although ampere-hour ratings are useful for rough estimates of battery size, actual battery selection should be based on curves or tables of discharge current versus time.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 charge current divided by the List 1 drain. Typical recharge factors range from 1.20 to 1.50. 18. Minimum recharge factor: ____ The minimum initial rectifier requirement for float operation is derived from the Plant List 1 Drains calculated in Table 3-A.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 is to minimize voltage drop. Multiple strings are balanced by sizing cables for equal resistance (and therefore equal voltage drop) between terminals and bus bars. If battery strings are unbalanced, the string with the least voltage drop to the dc distribution provides more than its share of current during each discharge.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 between batteries and load, the minimum load voltage may be reached before the batteries reach their end voltage so that their rated capacity is only partially used. In this second case, additional battery capacity would be required.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 After the total drop from the batteries to the load is determined, the actual end voltage of the batteries can be derived from the minimum input voltage to the load (2).
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 determining factors in sizing conductors. In systems, such as ac distribution, with relatively high voltage and low current, ampacity usually determines minimum conductor size. All conductors, however, must be large enough to safely carry the intended current.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 should be 150% of the List 2 current drain for the load that the fuse is protecting. Circuit breakers: All circuit breakers supplied with the ECS power plant can be loaded up to 100% of their rating only if the job engineer can determine that the user load has no short term peaks greater than 150% of its rating and not exceeding 10 milliseconds in duration.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 26. provide the GREATER of step (24)+1 or step (25) rectifiers: ____ For batteryless plants, skip to Initial and supplementary bays, below. Battery sizing Many vendors offer families of batteries that cover a wide range of ampere-hour capacities.
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(breakers/fuses) can be configured in a supplementary bay. If Lucent Technologies VR or IR batteries are used, additional framework, called battery supplementary bays, is necessary for strings of VR or IR batteries. These bays are shown in Figures 1-2 and 1-3.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Other vendors' batteries must be engineered per the manufacturer's instructions. Shelf-mounted batteries, offered by some suppliers, may be integrated into a frame line-up with the ECS battery plant. Most other vendors' batteries, however, are designed for mounting on stands that require special floor plan arrangements.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Table 3-D: Terminal Lug Kits for Circuit Breakers or Fuse Holders Description Used With 846746857 8 AWG Termination Lug Kit for List 3 - 6 Distribution Panel 54204 (T&B) double hole termination...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Table 3-D: Terminal Lug Kits for Circuit Breakers or Fuse Holders Description Used With 847301686 6 AWG Termination Lug Kit for List 23 - 27 Distribution Panel WP91412 L108 blue double hole termination...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Table 3-D: Terminal Lug Kits for Circuit Breakers or Fuse Holders Description Used With 847659620 4 AWG termination lug kit with two position adapter bus bar for List 23 - 27...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Table 3-E: Terminal Lugs for Flex and Stranded Wires, List 3 - 6 Distribution Panels Flex Class I KS24194 L2 and Lug (Load Lug (to Load) Used With Stranded Class B...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Table 3-G: VR Battery Cable and Lug Information Cable Lug Information Information Compression Tools Wire Gauge Flex WP Spec Comcode Die Color TBM6 TBM8 Die TBM5 Die Class I Upper Die...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Table 3-H: Field-Installed Components For List 3 through 6 and 23 through 26 Distribution Panels Item Size (Amperes) Comcode Description 406746362 KS23616 L25 406746370 KS23616 L26 406746388 KS23616 L27 Total of 42 positions available. The 45 and 60 ampere breakers occupy two positions and are recommended only for bottom rows (even positions from 2 to 20, odd positions from 23 to 41.) Balance load evenly between upper and lower sides.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Table 3-H: Field-Installed Components For List 3 through 6 and 23 through 26 Distribution Panels Item Size (Amperes) Comcode Description 407006337 Fuse, TPA-10 407006345 Fuse, TPA-15 407006352 Fuse, TPA-20 407006360 Fuse, TPA-25...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 above under Battery Size Versus Voltage Drop and Calculating Voltage Drop. 12. List the sizes based on voltage drop in Table 3-J. 13. Indicate the larger size for each load feeder in the final column, “Selected Wire Gauge.”...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Low-voltage Low-voltage battery disconnect/reconnect is available as an battery option on the ECS plant. For this feature, two disconnect levels disconnect/ are available: 40.5 and 42.5 volts. The tolerance on disconnect reconnect feature levels is +/- 0.5 volts.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 blocks provided on the controller circuit packs, as detailed in the Controller Manual. Earthquake The earthquake ratings for the standard ECS battery plant are bracing given below: • Initial bay: Zone 4, upper floors, per NEBS TR-EOP-00063 •...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 all other equipment in the office to engineer the appropriate aspects of the building. The four categories of floor plan data relevant to battery plants are listed below. Floor Space: Space must be adequate for the battery plant footprint and for aisles.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Ordering This manual contains all the needed planning and ordering information for the ECS Battery Plant J85500D-3. Some reference customers may prefer to prepare plans and orders from material manufacturing, wiring and schematic drawings. Read the following sections to learn how to order Lucent Technologies equipment from these drawings.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 J-codes take the form JxxxxxA-y and are used to specify main assemblies, stand-alone products, and units that may have multiple applications. ED-coding, of the form ED-xxxxx-yy, identifies subassemblies that are components of main equipment assemblies. For example, an ED-coded distribution panel assembly may be a component of a J-coded battery plant.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 • Cover Sheet(s), containing ordering, engineering and issue information, as well as notes for manufacturing and installation. • Assembly Views, showing details of shop and field assembly. • Stocklist, listing the quantity and complete ordering code for each component part used in the assembly.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 B-sheets contain the main assembly views and are numbered similarly (B1,B2,...). C-sheets are used to show assembly details and any other relevant graphical information. The stocklist is included on D-sheets. (5) Table A: Table A is the single most important entity on a J-drawing for engineering and ordering.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 wiring, the associated Figure number of the T-drawing is indicated in Table A of the J-drawing. A quantity indicates the number of multiples of the wiring in the specified figure which are required for a List.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 (10) Other tables: Other non-standard tables may appear on the J-drawing to provide additional engineering, manufacturing and/ or installation information. Each table should be referenced from an engineering or manufacturing note on the drawing.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 are similarly numbered but with the prefix “H”. All connections and circuit components in a given figure, that are not indicated as optional, are provided when that figure is specified by the J-drawing.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Note 103: The Record of Change Table traces when options are added and discontinued on various drawing issues, as in Table C of the T-drawing. SD notes often contain important details on applications of circuit features and options, so all notes should be read before completing the engineering process.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Ordering guide Table 3-K: Ordering Guide J85500D-3 ECS 300 Ampere -48 Volt Battery Plant (list numbers) List No. Description 42-inch frame suitable for mounting on top of a battery stand such as List 9,...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Supplementary Table 3-L lists field installed items needed to complete a total components battery plant system configuration. These items are ordered by (field installed) comcode and shipped separately. Table 3-L: Supplementary Components (Field Installed)
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Table 3-L: Supplementary Components (Field Installed) Quantity Item Description Comcode Wiring Information Required Digital Service Unit Kit (accessory for 847074531 T82670-31 Fig H7 microprocessor with X.25/TL1 features) Shelf Kit (accessory for microprocessor with X.25/...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 ® and the Lineage 2000 VR series battery may be found on the following documents. ECS Controller Assembly and Ordering Drawing: J85501D-1 Wiring Diagram: None Schematic Diagram: SD-82669-01 Product Manual: 167-790-031...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 . 6 8 No Wall Clearance Required A I S . 0 0 3 2 . 2 8 6 . 6 G H T W I D H E I Figure 3-2a: Bay Dimensions and Clearances (List 1...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Installation General Lucent Technologies offers complete engineering and installation service that result in “turn-key” plant operation. Contact your Lucent Technologies Energy Systems Account Executive for further information on the complete range of installation services available from Lucent Technologies.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Installation The following tools and test equipment are required for battery plant installation and testing. tools and test equipment • Equipment to handle shipping containers, remove framework from shipping containers, and erect framework into final position.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Table 4-A: Minimum Torque For All Electrical Connectons TORQUE - LB-IN OR (LB-FT) WIRE CONNECTIONS HEAD TIGHTENED NUT TIGHTENED SCREW SIZE SLOTTED HEX OR SLOTTED HEX OR SLOTTED SOCKET CAP MACHINE...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 To ensure personnel safety and equipment protection use appropriate equipment during handling of crates and uncrated equipment. Use the equipment weights and dimensions, given in Section 2, as a guideline for choosing material handling tools.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 voltage of 42.5 +/- 0.5 volts. To provide a disconnect voltage of 40.5 +/- 0.5 volts, plug the jumpers across pins 2 and 3 of their respective connectors. Refer to the ECS controller manual for acceptance testing procedures for the LVD/Fuse circuit pack and the associated LVD/R option.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 the plant framework after all connections have been made at the plant bus bars. Reinsert all fuses in LVD/Fuse Board. Match the fuse ratings and positions as indicated on the distribution cover panel.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 equipment. A label is provided on the dc distribution cover that may be marked to indicate each load breaker's use. Before proceeding, verify that all load circuit breakers are in the OFF position.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 powering up instructions as provided in the associated load equipment documentation. Connect all loads, one at a time, by turning on the load circuit breakers. If a circuit breaker trips immediately when turned on, this may be due to inrush current and does not necessarily indicate a fault condition.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 panel. Remove all jewelry before working in this area. Use insulated tools only. CAUTION: Accidentally or intentionally turning a circuit breaker off may affect service to load equipment. Take care not to disturb load-carrying circuits.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Installing The 216A ECS Thermal Compensation Unit described in Section 2 can be retrofitted into a J85500D-x battery plant. The thermal kit (Comcode 847618105) contains the circuit packs, wiring and compensation hardware to monitor one string of batteries.Read the instructions...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 5. Repeat steps 1-3 for additional battery strings. WARNING: The batteries will be disconnected from the Load Bus during the replacement of the LVD/FUSE Board (Steps 7 - 13). If commercial power fails during this procedure, -48VDC will be lost to the using equipment.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Note: Step 13 will cause the LVD/R Contactor to CLOSE. 13. Reconnect the following connectors in order listed below: P502 to J502 P506 to J506 P501 to J501 P504 to J504 Quick Connect to E501 14.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 5. Observe the following steps: A minor fuse alarm (MNF) should be issued at approximately the same time that the yellow LED on the 216A Control Unit is turned on which should correspond to a two-volt drop in the float voltage.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 107617516 216A Control Unit (See Fig. 4-6) 847312592 801724857 Bracket SCR, 1/4-20 x 5/8 901252726 Screw, 10-32 x 7/16 E/W Lock Washer (2 Places) P512 To Next 216A or Terminator Plug if Last Module...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J855003D-3 Maintenance Controls and Operating controls and indicators on the battery plant are listed below. Indicators • Controller LEDs and switches (see Controller Manual) • Rectifier LEDs and switches (see Rectifier Manual) •...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J855003D-3 position. A circuit breaker which is supplying a load may be turned off manually, but this may affect service to the load. If a breaker has tripped off (the handle will be between the ON and OFF positions), the overcurrent problem should be cleared before restoring power to the load and resetting the breaker.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J855003D-3 Troubleshooting Table 5-A provides a list of observable trouble conditions, their possible causes and the necessary corrective action for each cause. The table is organized by the subsystem in which the trouble is observed.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J855003D-3 3. A circuit breaker may fail such that it cannot be reset. Replace a failed distribution breaker as described below, “Load Circuit Breaker Replacement.” Red LVD OPEN The Red LVD OPEN LED indicates that the LVD Contactor is LED Lit de-energized, i.e.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J855003D-3 Load Circuit STEP A: Obtain a replacement circuit breaker. See below, Breaker “Spare Parts.” Replacement STEP B: Verify that the faulty breaker is in the OFF position. STEP C: Loosen the 1/4 turn fasteners and open the dc distribution cover.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J855003D-3 STEP J: Note that Fuse Alarm Major (MJF) and its associated alarms have retired. LVD/R The following assumptions are made: Contactor Replacement • Contactor coil has failed • The contactor is open •...
Lucent Technologies Lineage ® 2000 ECS Battery Plant J855003D-3 LVD/Fuse Board Procedure: (Refer to Figure 4-4) (CP5) Replacement 1. Open distribution panel. 2. Unplug the following connectors from the LVD/Fuse Board. Leave the cables dressed. P502 from J502 P506 from J506...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J855003D-3 In addition to these items, any piece part may be ordered that is identified in the assembly views and stocklist on the J85500D-3 drawing. When ordering, please specify the Description and Comcode as shown in the stocklist.
® Lucent Technologies Lineage 2000 ECS Battery Plant J85500D-3 Product Warranty A. Seller warrants to Customer only, that: 1. As of the date title to Products passes, Seller will have the right to sell, transfer, and assign such Products and the title conveyed by Seller shall be good;...
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® Lucent Technologies Lineage 2000 ECS Battery Plant J85500D-3 WARRANTY PERIOD Repaired Product Product Type New Product or Part* Central Office Power 24 Months 6 Months Equipment** *The Warranty Period for a repaired Product or part thereof is as listed or, in the case of Products under Warranty, is the period listed or the unexpired term of the new Product Warranty Period, whichever is longer.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Safety Safety Please read and follow all safety instructions and warnings before installing, maintaining, or repairing the power system. Statements Reference the individual module product manuals for additional safety statements specific to the modules.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 manufacturer using only the connector manufacturer's recommended tooling or tooling approved for that connector. If the proper connector for the country of installation is not provided, obtain appropriate connectors and follow manufacturer's and all local requirements for proper connections.
Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 Warning Statements And Safety Symbols This symbol identifies the need to refer to the equipment instructions for important information. These symbols (or equivalent) are used to identify the presence of hazardous ac mains voltage.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 The symbols may sometimes be accompanied by some type of statement; e.g., “Hazardous voltage/energy inside. Risk of injury. This unit must be accessed only by qualified personnel.” When working on or using this type of equipment, the following precautions should be noted: •...
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 One of these two symbols (or equivalent) may be used to identify the presence of rectifier and battery voltages. The symbol may sometimes be accompanied by some type of statement, for example: “Battery voltage present.
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Lucent Technologies Lineage ® 2000 ECS Battery Plant J85500D-3 These symbols are used to identify the safety earth ground or bonding point for the equipment. 7 - 6 Safety Issue 5 January 1999...
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