Lucent Technologies Lineage 2000 J85503B-2 Product Manual Download Page 34

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Lucent Technologies Lineage

2000 200A Ferroresonant Rectifier J85503B-2

2 - 16 Product Description

Issue 8 January 1999

Summary of Contents for Lineage 2000 J85503B-2

Page 1: ...Lineage 2000 200 Ampere 60 Hertz Ferroresonant Rectifier J85503B 2 Product Manual Select Code 169 790 128 Comcode 107666356 Issue 8 January 1999 1999 Lucent Technologies ...

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Page 3: ...echnologies Lineage 2000 200 Ampere 60 Hertz Ferroresonant Rectifier Notice Every effort was made to ensure that the information in this document was complete and accurate at the time of printing However information is subject to change 1999 Lucent Technologies All Rights Reserved Printed in U S A ...

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Page 5: ...2 Electronic Current Limit 2 3 Backup Current Limit 2 3 Selective High Voltage Shutdown 2 3 Internal Selective High Voltage Shutdown ISHVSD 2 3 Backup High Voltage Shutdown BUHVSD 2 3 Dynamic Response 2 3 Forced Electronic Load Sharing 2 4 Safety Interlocks 2 4 Restart Circuit 2 4 Output Circuit Breaker 2 4 Output Current Indication 2 4 Output Voltage Adjustment Range 2 4 Float Equalize Boost 2 4 ...

Page 6: ...rrent Alarm LCA 2 8 Front Panel Controls And Indicators 2 8 Output Meter 2 8 Rect V 2 9 Power Switch 2 9 Alarms 2 9 Rect Test Switch 2 9 Rect and Test Jacks 2 10 Plant and Test Jacks 2 10 Float Adj 2 10 FLT EQ 2 10 Equal Adj 2 10 Circuit Breaker 2 10 Circuit Modules 2 10 CM1 2 11 CM2 2 11 CM3 2 11 CM4 2 11 CM5 CM6 2 11 CM7 2 11 Alarm and Control Flow 2 12 Specifications 2 14 3 Engineering and Orde...

Page 7: ... Anchor the Rectifier 5 9 AC Power Cables 5 10 DC Power Cables 5 10 Supplemental Central Office CO Ground 5 11 Plant Control Cable Assembly Lucent Controller 5 11 Plant Control Cable Assembly External Alarm Control Bay 5 15 DIP Switch Settings 5 16 208F Control Board CM2 5 16 323D Digital Meter Board CM3 5 19 329A Fuse Board CM1 5 19 330C Interface Board CM4 5 19 Converting AC Voltage 5 20 Initial...

Page 8: ...rm Test 6 15 Current Limit Test 6 16 Isolated Current Measuring VI Test 6 16 Phase Failure Test 6 18 Backup High Voltage Shutdown BUHVSD Test 6 18 Control TR Test 6 19 Selective High Voltage Shutdown SHVSD and Restart 6 20 AC Fail Test 6 20 RFA Circuit Verification RFA Test 6 21 Meter Test on line 6 21 Adjust Rectifiers to Float Voltage 6 22 Adjust Rectifiers Individually 6 22 Adjust Rectifiers as...

Page 9: ...stors Q1 Q2 8 5 Diode Heat Sink Assemblies 8 6 DC Capacitors C7 through C12 8 6 CB1 Circuit Breaker 8 7 DC Inductor L3 L4 8 7 Contactor Relay K1 8 8 AC Inductors L1 L2 8 8 AC Capacitors C1 C6 C13 and C14 8 8 Main Transformers T1 T2 8 8 Handling Circuit Modules 8 9 Replacing Circuit Modules 8 10 CM1 Fuse Board 8 10 CM2 Control Board 8 11 CM3 Digital Meter Board 8 12 CM4 Interface Board 8 13 CM5 or ...

Page 10: ...Lucent Technologies Lineage 2000 200A Ferroresonant Rectifier J85503B 2 6 Table of Contents Issue 8 January 1999 ...

Page 11: ...re 5 1 Floor Mounting Detail 5 2 Figure 5 2 Floor Anchoring 5 2 Figure 5 3 AC and DC Termination Points 5 5 Figure 5 4 Top View of the J85503B 2 Rectifier 5 6 Figure 5 5 DC Output Cables in Cable Rack 5 7 Figure 5 6 CM4 Interface Board 330C 5 14 Figure 5 7 48V DIP Switch Label 5 17 Figure 5 8 24V DIP Switch Label 5 18 Figure 6 1 Battery Plant Simulator Test Set 6 4 Figure 6 2 CM1 Fuse Board with C...

Page 12: ...Lucent Technologies Lineage 2000 200A Ferroresonant Rectifier J85503B 2 2 List of Figures Issue 8 January 1999 ...

Page 13: ...Spare Fuse Information 3 9 Table 3 G Spare Electrical Parts 3 9 Table 5 A AC Input Requirements 5 3 Table 5 B DC Output Options 5 5 Table 5 C Rack Widths for 350KCMIL Cables 5 7 Table 5 D Controller Connectors 5 12 Table 5 E Control Settings for Initial Battery Charge 5 20 Table 6 A Test Set Connections 6 2 Table 6 B Rectifier Control Settings for Testing Off Line 6 5 Table 6 C Rectifier Control S...

Page 14: ...10 Table 7 F Additional Conditions Indications on the J85503B 2 7 11 Table 7 G Digital Meter Tolerance 7 14 Table 7 H Control Settings Prior to Restoring a Rectifier to Service 7 18 Table 8 A Minimum Torque for Electrical Connections 8 3 Table 8 B Torque and Minimum Yield Strength Values for Mechanical Connections Using Hex Head Cap Screws 8 4 ...

Page 15: ...onant technology developed by Bell Laboratories This technology provides excellent output regulation in spite of variations in the incoming commercial line voltage and frequency and the outgoing current or load The J85503B 2 rectifier converts commercial 208 240 480 volt ac input power at 60 hertz into highly regulated and filtered low noise 48 and 24 volt dc output power for telecommunications eq...

Page 16: ...troduces far less noise into closely coupled telephone lines due to lower harmonic components in the input current waveshape Provides highly efficient power conversion Ferroresonant technology and the rectifier s physical design features combine to provide reliable service easy maintenance and greater cost effectiveness High reliability All components in the rectifier meet Lucent Technologies stri...

Page 17: ...ring the normal product warranty period and also while specific contractual arrangements extend this service For customers in the United States Puerto Rico the U S Virgin Islands and Canada call our Technical Support telephone number 1 800 CAL RTAC 1 800 225 7822 to contact a Product Specialist to answer your technical questions and assist in troubleshooting problems For out of hours emergencies t...

Page 18: ...Lucent Technologies Lineage 2000 200A Ferroresonant Rectifier J85503B 2 1 4 Introduction Issue 8 January 1999 ...

Page 19: ... accepts alternating current from the commercial utility or a standby ac power source and rectifies it to produce dc power for the using equipment The plant s control and alarm functions interact with the rectifiers and the office In addition the plant provides overcurrent protection charge discharge and distribution facilities Battery reserve automatically provides a source of dc power if the com...

Page 20: ...on Converters transform 48 volt source voltages into regulated low noise 24 volt dc power sources for use with telecommunications loads Features The J85503B 2 rectifier offers the following standard features Output Current Walk in This circuit controls the time required for the rectifier to reach its rated output voltage after it is turned on Initially the output voltage is about 80 percent of nor...

Page 21: ...e also accepts a selective high voltage shutdown HVSD signal from any external source via the interface board Internal Selective High Voltage Shutdown ISHVSD The rectifier will sense a high voltage condition at its output terminals If delivering more than 10 percent of its rated output 20 amperes the rectifier shuts down This high voltage threshold is user selectable via programmable DIP switches ...

Page 22: ...ures of Lineage 2000 controllers The rectifier will also accept an isolated restart signal from any external source via the interface board Output Circuit Breaker An output circuit breaker protects the plant from rectifier malfunction and excessive current and may be used to disconnect the rectifier from the battery The standard breaker size is 215 amperes Output Current Indication A precision res...

Page 23: ...nterface board Local Sense The rectifier has an option via user selected DIP switch settings to regulate the voltage at the output terminals of the rectifier Remote Shutdown The remote shutdown circuit permits the shutdown of a rectifier when the transfer TR signal is received from a Lucent controller When the rectifier is used with a Galaxy or an MCS controller spare rectifiers can be shut down v...

Page 24: ...tz rectifier can discern the following alarms as well as provide diagnostic information for certain alarms if you use a Galaxy or an MCS controller When any other controller is used most of these alarms are available from the interface board of the rectifier Load Share Fail LSF In 48 volt plants the load share circuitry is fused in each rectifier to prevent a failure in one rectifier from cascadin...

Page 25: ... if present when either the rectifier has been turned off or lost power AC Fail ACF If the three phase commercial ac into the rectifier fails and the rectifier is connected on battery the ACF alarm is generated and a red LED on the front of the rectifier lights Circuit Breaker Alarm CB An output circuit breaker alarm signals the interface board and a Lucent controller if present when the circuit b...

Page 26: ... alarm issues The alarm issues at 0 5 percent of the rectifier rating and discontinues at 3 percent Front Panel Controls And Indicators Figure 2 2 shows the control panel on front of the J85503B 2 200 ampere rectifier The following list describes the controls and indicators on the control panel Bold letters indicate labels that appear on the control panel or inside the rectifier Output Meter The d...

Page 27: ... LEDs PHA A red LED lights if the rectifier shuts down due to phase voltages falling below the normal operating range or total loss of a phase FA A red LED lights if any fuse except the LSF fuse operates or the output circuit breaker operates RFA A red LED lights if a failure occurs in the rectifier and the rectifier shuts down LSF A yellow LED lights if the fuse in the load share circuit of the r...

Page 28: ...to provide the local equalize feature The yellow equalize LED lights when the rectifier is in the equalize mode Equal Adj The Equal Adj potentiometer provides for manual adjustment of the output equalize voltage Circuit Breaker The circuit breaker protects the plant from rectifier malfunction and excessive current and may be used to disconnect the rectifier from the battery When the circuit breake...

Page 29: ...ovides alarm and control circuitry that permits the rectifier to interface with various controllers It also provides additional monitoring points and new alarm interface points for AC fail RFA test load share LCA and LSF CM5 CM6 The CM5 and CM6 circuit modules are identical boards ED83156 30 Group 3 These boards contain a triac thyristor snubber network and EMI circuitry Refer to schematic drawing...

Page 30: ...ontrol signals fed back to the rectifier Refer to the various controller product manuals for a description of rectifier signal processing and resultant action Figure 2 4 shows the typical signal flow between a rectifier and a Galaxy controller The control signals and alarms enter and leave the rectifier via the interface board CM4 When used with a non Lucent controller or if additional monitoring ...

Page 31: ... 2 13 Figure 2 3 J85503B 2 Rectifier with Door Open CM1 Fuse Board 329A CM4 Interface Board 330C CM3 Digital Meter Board 323D CM2 Control Board 208F1 CM5 and CM6 Snubber Boards ED83156 30 G3 Mounted on Side Wall CM7 Transformer Board 425C D or F CB1 Circuit Breaker 225 Amperes Main Transformer Behind Cover Plate ...

Page 32: ...witch Status MAN Rectifier Shutdown TR Rectifier Current Capacity TP Rectifier Failure Alarm RFA Rectifier Restart RS Rectifier Current Drain VI Rectifier Efficiency Algorithm TRH Phase Failure Alarm PHA Rectifier Regulation R R CM4 Interface Board 330C Rectifier Table 2 B J85503B 2 Rectifier Specifications Nominal Output Voltage 52 volts dc or 24 volts dc Operating Output Voltage Ranges 48 65 vol...

Page 33: ... meters Regulation off Battery 2 AC Ripple 50 millivolts peak to peak Note 3 Output Noise On Battery Psophometric Noise 46 dBrnc 32 dBrnc Note 3 2 mV rms Note 4 Load Share Accuracy 20 amperes Heat Dissipation 3700 BTU hr 1100 watts Note 2 Power Factor 0 97 at full load Humidity Rating 10 95 non condensing Operating Altitude Sea level to 3048 meters Note 5 Operating Temperature 0 35 C Lists 1 2 3 4...

Page 34: ...Lucent Technologies Lineage 2000 200A Ferroresonant Rectifier J85503B 2 2 16 Product Description Issue 8 January 1999 ...

Page 35: ... rectifiers to handle infrequent momentary peak current conditions However the total rectifier capacity of the plant must be designed to meet prolonged periods of current drain during busy demand times In a telecommunications environment this is known as the average busy hour abh current drain It is defined as the average busy hour of busy season current drain drawn at normal plant operating volta...

Page 36: ...t and non redundant systems The recharge factor 1 2 to 1 6 multiplied by the abh current drain gives the minimum installed rectifier capacity mirc for any plant mirc abh x recharge factor The mirc is also the sum of the abh and the recharge current For example a 1 2 recharge factor in a plant with an abh current drain of 100 amperes simultaneously allows 100 amperes for plant load and 20 amperes f...

Page 37: ...lculate the minimum installed rectifier capacity mirc and the number of 200A rectifiers required in redundant and non redundant systems From Figure 3 1 a 24 hour recharge time intersects the 4 hour reserve curve at a recharge factor of approximately 1 2 mirc abh x recharge factor mirc 2850A x 1 2 3420A The number of 200A rectifiers required to supply at least 3420A is nine 9 x 200A 3600A Nine rect...

Page 38: ...one 100A rectifiers As long as the loss of any one rectifier does not leave a remaining capacity of less than 210 amperes the system is redundant Ordering Information The J85503B 2 rectifier is ordered using the List L numbers and tables on the equipment drawing and has six main configurations based on different input output voltage options List 1 provides a rectifier with a 208 volt ac input and ...

Page 39: ...rk assembly wiring and equipment for one rectifier 24 volt dc 200 amperes output and 240 volts ac 60Hz input 4 Framework assembly wiring and equipment for one rectifier 48 volt dc 200 amperes output and 240 volts ac 60Hz input 5 Framework assembly wiring and equipment for one rectifier 24 volt dc 200 amperes output and 480 volts ac 60Hz input 6 Framework assembly wiring and equipment for one recti...

Page 40: ...HV EQL and EQLR Switches on the 330C enable or disable remote control capability maintain the meter indication while the unit is off and enables or disable the front panel equalize switch The power ON AUTO OFF switch enables or disables the remote control feature 3 The standard output filter provided with Lists 1 2 3 4 5 and 6 meets Bell standard TR EOP 000151 Issue 1 for output noise levels up to...

Page 41: ...nstall four 5 8 11 eyebolts MacMaster Carr 3014T52 and four hex nuts comcode 841063670 Shims 9 Order shims for leveling the rectifier as required See Table 3 C Table 3 B Hardware Ordering Information Equipment Requirement Qty Description Comcode Anchor Bolts Kit Zone 3 or 4 1 H569 407 G 6 847320835 Anchor Bolts Kit Zone 0 1 or 2 1 H569 407 G 1 847135654 DC Output Connectors 4 0 AWG Class B 4 WP914...

Page 42: ...h push in tie wraps You must secure a tie wrap to the control cable just above the top lid grommet so that the control cable cannot enter the rectifier cabinet Do not under any circumstance roll the control cable up inside the rectifier Roll up any extra length of control cable and tie it up at the controller 13 The J85503B 2 48 volt rectifier is capable of forced load share with other J85503B 2 r...

Page 43: ...184 Control Board CM3 323D 106938137 Digital Meter Board CM4 330C 107199192 Interface Board CM5 and CM6 ED83156 30 G 3 601326408 Snubber Board Table 3 F Spare Fuse Information Reference Designation Part Number Rating Vendor Comcode F1 F2 F3 F4 F5 FLM 30 30 amperes LittlefuseTM 406392290 F1 F2 F3 alarm fuses on CM1 WP90247 L 3 1 2 ampere SAN OTM 405673161 F1 on CM2 WP90247 L 1 0 18 ampere SAN OTM 4...

Page 44: ...ementary information on Lucent controllers may be found in the following documents Sample Order Item Qty Description 1 1 J85503B 2 L 2 200 Amp 48V Rectifier E W L 16 2 1 H285 225 G 60 Cable Assembly A Dim __ ft lg Lineage 2000 200A 60 Hz Rectifier Assembly and Ordering Drawing J85503B 2 Wiring Diagram T83281 30 Schematic Drawing SD83281 01 Product Manual Select Code 169 790 128 Galaxy Controller A...

Page 45: ...embly and Ordering Drawing J85501E 2 Wiring Diagram T83181 30 Schematic Drawing SD83181 01 Product Manual Select Code 167 790 056 MCS Controller Assembly and Ordering Drawing J85501A 2 Wiring Diagram T82588 31 Schematic Drawing SD82588 02 Product Manual Select Code 115 010 CCS Controller Assembly and Ordering Drawing J85501A 3 Wiring Diagram T82588 30 Schematic Drawing SD82588 02 Product Manual Se...

Page 46: ...Lucent Technologies Lineage 2000 200A Ferroresonant Rectifier J85503B 2 3 12 Engineering and Ordering Issue 8 January 1999 ...

Page 47: ...r working on or near electrically live equipment observe the following DANGER warnings and those given within each procedure in this book 1 Remove all jewelry and use insulated tools when working on or near electrically live parts 2 Always wear appropriate eye protection 3 Follow procedures in the proper order to minimize exposure to high voltages up to 600 volts 4 Use a voltmeter to insure no vol...

Page 48: ...The disconnected charge battery and charge ground connectors must be taped adequately to prevent them from contacting each other or any other metal surface Alternatively the dc battery cables from the rectifier can be disconnected at the plant charge battery and charge ground buses 13 DC capacitors may be charged even with power disconnected from the rectifier If filter capacitor fuses have blown ...

Page 49: ...top and bottom outermost edges Never touch the components conductors or connector pins 5 Do not rub or wipe circuit packs to clean them unless you and the circuit pack are at the same ground potential 6 Observe warning labels on bags and cartons Whenever possible do not remove circuit packs from antistatic bags or cartons until ready to insert into the rectifier Otherwise open all circuit packs at...

Page 50: ...uary 1999 10 When soldering static sensitive semiconductor devices the soldering iron must be grounded to the work table which must also be earth grounded 11 Whenever possible maintain relative humidity above the 20 percent level 12 Minimize electrostatic discharge when handling circuit modules ...

Page 51: ...allation that includes this rectifier Floor Mounting The J85503B 2 is a floor mounted rectifier with four anchoring holes located in the base The rectifier must be anchored to all types of flooring including masonry wood and raised floors Figure 5 1 is a diagram of the template showing the anchor holes measurements and instructions for drilling anchor holes for installation in earthquake zones 3 o...

Page 52: ...ch rectifier is approximately 1100 watts or 3700 Figure 5 1 Floor Mounting Detail 12 94 32 87cm 9 88 25 10cm 2 65 6 73cm 10 00 25 4cm 15 09 38 33cm 1 00 x 0 75 Slot 2 54cm x 1 91cm Slot 1 54 3 91cm Note Allow clearance for screw heads that protrude from the sides at the rear of the cabinet Two self adhesive bumpers are included that can be placed low on the cabinets to provide proper spacing Figur...

Page 53: ...t be provided to each rectifier to ensure the reliability of the system A branch circuit consists of all the phase leads to a rectifier plus the ac equipment ground AC EG The wiring method should meet national and local codes A screw type terminal is supplied on the rectifier Figure 5 4 top view of the rectifier shows openings for the ac input conduit and two required grounds Figure 5 3 shows the ...

Page 54: ...ments of an equivalent rating to the recommended fuse The green wire ac equipment ground AC EG is also known as frame ground FR GRD The connection for this ground is on the inside back wall of the rectifier The rectifier also requires a supplementary parallel ground called central office CO ground Two connections for this ground are labeled on top of the rectifier Only one connection is required w...

Page 55: ...ts Connections for Lists Rectifiers No List B with or without Optional Filter List 15 or 16 Connections for Lists Rectifiers List B with or without Optional Filter List 15 or 16 Not Equipped with List 15 or 16 Equipped with List 15 or 16 AC Input DC Output AC Input 3 Phase AC 3 Phase AC AC Grd AC Grd V V V V Table 5 B DC Output Options Amps Output Wire Gauge and Area circular mils Connectors or Lu...

Page 56: ...r entire lengths These cable racks must be dedicated to these conductors Rectifier control cables framework ground cables and ac input BX where permitted may be run on cable brackets off the cable rack stringers but not on the rack itself NEC Article 318 restricts 1 0 to 4 0 cables to a single layer on a cable rack However NEC Article 318 allows two layers of cables 250KCMIL and larger up to a par...

Page 57: ...unds Therefore make arrangements to have the appropriate material handling facilities and equipment to unload uncrate and set up the rectifier Proper handling is necessary to ensure personal safety and protect the equipment Each rectifier is shipped in a tri walled corrugated cardboard container secured to a wooden shipping skid Move the container with a forklift Lucent recommends that you use fou...

Page 58: ...er connection and compliance with local and national codes Common mechanic s hand tools including flat blade screwdriver 30 inch blade width socket and torque wrench for 3 8 inch bolts channel lock pliers for ac conduit tightening hammer and crowbar for uncrating Drill to bore holes for floor anchors 3 4 inch bit Four 5 8 11 lifting eyebolts Lifting with all four is required Digital multimeter DMM...

Page 59: ...tions in Section 4 and those within each procedure whenever working on or near electrically live equipment Only persons trained and experienced in the installation of power equipment should install this rectifier Locate and Anchor the Rectifier 1 Using site drawing information locate the exact position specified for the rectifier DANGER Wear eye protection devices when drilling holes for floor anc...

Page 60: ...t Torque phase connections to 3 Nm or 30 inch pounds in lb Torque AC EG connection to 4 Nm 30 in lb 6 Verify that the branch circuit breaker to the rectifier in the ac service panel is off or fuses are removed Reenergize ac service panel Tag branch circuit breaker or fuse holders to inform others not to close turn on the breaker or insert fuses If the branch circuit is protected by fuses physicall...

Page 61: ...arks Before making contact between connectors and bus bar in the next step use a DMM to verify a true open circuit between each connector and known battery plant ground 10 One at a time remove tape or insulation from connector at other end of charge cable and terminate on negative charge bus bar Supplemental Central Office CO Ground The central office CO ground is daisy chain connected to all rect...

Page 62: ... length must be rolled up and tied at the controller not inside the rectifier 2 Terminate the 40 pin connector on P5A of CM4 and dress cable using push in cable ties on the inside of the rectifier door Allow for the door to open and close without putting stress on the cable After securing the cable disconnect the cable from P5A 3 Determine the number to be assigned the rectifier in the rectifier l...

Page 63: ... controller 6 Plug the cable into the connector assigned to the rectifier number determined in Step 3 above This action will cause a minor alarm in an MCS controller Therefore notify alarm personnel that the unit is being installed 7 If the rectifier is connected to a Lucent controller verify that the rectifier S2 1 switch on the 330C interface board CM4 is in the disable position An MCS controlle...

Page 64: ...from TB3 7 on CM4 to TB3 8 on CM4 of the adjacent rectifier See Figure 5 6 The wire must be UL recognized with minimum ratings of 80 C and 150 volts ac All load sharing rectifiers must be daisy chain connected in this manner In addition to the signals provided when a Lucent controller is used 34 signals are readily accessible on the CM4 interface board via terminal strips TB1 TB2 and Figure 5 6 CM...

Page 65: ...s an RFA signal EQL EQLR Shorting these signals together places the rectifier in equalize mode These signals can be used with non Lucent controllers or other monitoring systems provided the level of the selective high voltage shutdown HVSD on the controller is raised E25 and E26 on CM1 the 329A fuse board provide access to the 50mv 250A shunt E22 E23 E24 is an isolated RFA transfer contact 10 Secu...

Page 66: ...ch label inside the rectifier door Figures 6 2 6 3 7 1 and 5 6 show CM1 CM2 CM3 and CM4 respectively If the settings on the rectifier do not meet the requirements of your plant change them according to this section and label 208F Control Board CM2 S1 1 through S1 5 and S1 8 ensure stable rectifier output voltage for various Lucent rectifiers For the J85503B 2 the switches are factory set for opera...

Page 67: ...SD LEVEL ADJ BUHVSD LEVEL ADJ YES YES BATTERYLESS SET TO 1 0 SEE TABLE A SET TO 1 TO ENABLE LOAD SHARE BUHVSD LEVEL ADJ BUHVSD LEVEL ADJ S3 4 BATTERYLESS SET TO 1 YES S2 7 SPECIAL APPLICATION LOAD SHARE YES 0 S2 8 NOT USED X S2 9 NOT USED X S2 10 NOT USED X SET TO 1 TO ENABLE SET TO 1 FOR CURRENT LIMIT 50 BUHVSD S3 1 S3 2 SIZE TORQUE IN LB CONNECTION IDENTIFICATION LIST CONFIGURATION TORQUE REQUIR...

Page 68: ...BLE SET TO 1 0 METER OFF WITH UNIT OFF CM2 CM2 CM3 CM1 CM4 SEE TABLE A SEE TABLE A SEE TABLE A S3 3 YES YES YES YES BUHVSD LEVEL ADJ BUHVSD LEVEL ADJ YES NO BATTERYLESS SET TO 1 0 SEE TABLE A BUHVSD LEVEL ADJ BUHVSD LEVEL ADJ S3 4 YES S2 7 SPECIAL APPLICATION LOAD SHARE NO 0 S2 8 NOT USED X S2 9 NOT USED X S2 10 NOT USED X SET TO 1 FOR CURRENT LIMIT 50 BUHVSD S3 1 S3 2 SIZE TORQUE IN LB CONNECTION...

Page 69: ...d to 55 56 57 or 58 volts The factory setting is 58 volts S3 9 is used to maintain voltage stability when the current limit is set below 50 of full load S3 10 is not used 323D Digital Meter Board CM3 S3 1 through S3 4 tell the rectifier s ammeters the rectifier s current capacity S3 5 through S3 6 configure the NL FL switch on the front of the rectifier for either 24 or 48 volts 329A Fuse Board CM...

Page 70: ...ial battery charging should be planned as part of the plant installation Note If initial battery charging is desired the rectifier should be tested before following this procedure See Section 6 The J85503B 2 rectifier is capable of supplying a new battery string with its initial charge Since the voltage levels recommended by battery manufacturers for initial battery charging are considerably above...

Page 71: ...ot the problem per Section 7 Keep the rectifier on for 10 seconds 5 Hold the meter selector switch in the Rect V position and use a small screwdriver to turn the Float Adj potentiometer clockwise until the digital meter reads approximately battery voltage typically 52 volts 6 Turn circuit breaker CB1 on up 7 Adjust the Float Adj potentiometer to obtain the desired initial charge voltage within the...

Page 72: ...Lucent Technologies Lineage 2000 200A Ferroresonant Rectifier J85503B 2 5 22 Installation Issue 8 January 1999 ...

Page 73: ...or Test Set is desirable Without a simulator a minimum set of tests can be performed See page 6 2 for a description of the simulator and test load For troubleshooting and diagnostic procedures refer to Section 7 Those unfamiliar with the function of rectifier controls and indicators should read Section 2 Precautions When working on power systems observe safety precautions in Section 4 and those wi...

Page 74: ...unication trouble between the plant controller and the rectifier It simulates the plant controller relative to receiving signals from and sending signals to the rectifier If there is a problem and the rectifier works properly with the test set the problem is either at the controller or in the interface wiring plant cable Figure 6 1 shows how to construct a test set Note The Battery Plant Simulator...

Page 75: ...le the test load is connected 1 At the ac service panel remove ac power to the rectifier 2 Turn off down the rectifier CB1 circuit breaker Warning Support the CM4 interface board with your hands when disconnecting the cable leads or damage to the interface board may result Do NOT disconnect plant control cable connector J5A from interface board CM4 by pulling the cable 3 Disconnect J5A from CM4 by...

Page 76: ...R4 R5 MAN 1 1 1 1 1 2 2 2 2 2 3 3 3 1 1 1 2 2 2 F1 F2 1 1 3 1 1 3 TR PWR HV RS RFA TRH PH MAN RFA TRH PH or LOA DPG TR48 HV48 RS RSR APG R R V V 27V Return Use 24 AWG multiconductor wire and 40 pin female connector from AMP Inc Harrisburg PA Cable will then plug into the P5A connector on the CM4 board The suggested AMP hardware part numbers are as follows To CM4 Connector P5A Description Housing C...

Page 77: ...l the regulation REG fuse associated with the rectifier in the plant controller Check for battery voltage between pins 27 and 2 of control cable connector J5A The J5A connector is at the rectifier end of the plant control cable Pin 27 should be positive with respect to pin 2 As an extra precaution check for battery voltage between ground and pin 2 48V or 24V rectifier or pin 27 24V rectifier If no...

Page 78: ...c between pins 35 and 31 Pin 35 should be positive with respect to pin 31 4 Place the Battery Plant Simulator Test Set Figure 6 1 at a convenient location near the rectifier Connect J5A on the other end of the cable from the test set to connector P5A on the CM4 interface board mounted on the inside of the rectifier door Connect the red black blue and white test clips from the test set as detailed ...

Page 79: ...resonant Rectifier J85503B 2 Issue 8 January 1999 Testing 6 7 M Figure 6 3 CM2 Board with Clip Connections Isolated Current Measuring Adjustment Potentiometer Blue Test Clip Red Test Clip Black Test Clip Current Limit Potentiometer DIP Switch S1 ...

Page 80: ...g tests as long as the ac supply is turned on 3 Set the test meter to the 100 volts range and connect it to the Rect jacks on the rectifier control panel See Figure 2 2 4 Adjust the test load so that when the rectifier is turned on it will deliver 10 40A 5 to 20 percent of full load 5 Place the S1 switch on CM4 in the LOC position see Figure 5 5 and turn the Power switch On The rectifier should st...

Page 81: ... CB1 and the V output bus bar 2 Strap a short across E18 to E33 on CM2 see Figure 6 3 3 At Iload 200 202A 100 to 101 percent of rated output current use the Float Adj potentiometer to adjust Vout to 52 08 26 04 volts 4 Remove strap from E18 to E33 Observe that Vout is 51 98 25 99 to 52 03 26 0 volts If not see Section 7 5 Increase the load as indicated on the load box to 218 222 amperes 110 1 perc...

Page 82: ... lamps should light 8 Repeat for the other two phases Backup High Voltage Shutdown HVSD Test 1 Disable the internal selective HVSD by opening S3 5 or S3 6 on CM2 Move switch to the left See Figure 6 3 2 Slowly turn the Float Adj potentiometer clockwise until the rectifier shuts down 3 When the rectifier shuts down its voltage should correspond to the settings of S3 1 through S3 4 of the CM2 contro...

Page 83: ...fier delivers 20 to 30A 10 to 15 percent of its rated amperage 2 Momentarily press the HV switch on the test set The rectifier should shut down and the RFA LEDs on the control panel and on the test set should light 3 Momentarily press the RS switch on the test set The rectifier should restart and both RFA lamps should go off Float Equalize Test 1 Adjust the load so that the rectifier delivers betw...

Page 84: ...should light and the LCA alarm should issue to TB3 terminals 5 and 6 Load Share Fail LSF Test 48V only 1 Holding the insulation on a piece of wire insert the wire in FS1 on CM2 2 The LSF LED on the control panel should light and the LSF alarm should be generated on TB3 9 and TB3 10 of CM4 Meter Test 1 Adjust the load so that the rectifier delivers approximately 100 amperes 50 of its rated current ...

Page 85: ...M Digital Multimeter and the test load 5 If the reason for performing the rectifier tests was to affirm the operation of the rectifier and was not part of total plant testing restore the rectifier to service by following the procedures in Section 7 If this is part of total plant testing leave the plant control cable disconnected at this time until directed to reconnect it as part of another plant ...

Page 86: ...wise until the digital meter reads approximately battery voltage typically 52 26 volts d Turn the rectifier Power switch Off and immediately within 5 seconds turn circuit breaker CB1 on up 5 For testing with a controller connect plant control cable J5A to P5A on CM4 and then replace the REG fuse in the controller For a controllerless application leave J5A disconnected and replace the REG fuse in t...

Page 87: ...load is present connect a test load to the rectifier page 6 2 Disable load share by setting S1 9 on CM2 to 0 If the rectifier fails any of the tests in this section replace the CM2 board and begin testing again Regulation NL FL Test Notes At least two rectifiers must be supplying some current when this test is done and the load requirement must be greater than 20A 10 of the rated output for the re...

Page 88: ... to a working plant If the conditions below cannot be met the unit must be tested off line In a working plant the current limit set point can be found by adjusting the Float Adj potentiometer on the rectifier under test to obtain approximately 3 4 load and a battery voltage of 52 08 26 04 volts Verify that the load share feature is disabled S1 9 on CM2 set to 0 off 1 Connect a DDM to the Plant tes...

Page 89: ...the DMM and record the rectifier s shunt voltage The shunt is rated 250A 50mV 5A mV which means that each millivolt of voltage drop across the shunt indicates 5A of output current 4 Convert the DMM shunt voltage reading to amperes For example if the DMM reads 40mV then 40mV X 5A mV 200A of output current As this calculation indicates the rectifier is operating at full load and the rectifier shunt ...

Page 90: ...the rectifer Power switch and dc output circuit breaker OFF down At the plant controller if present remove the regulation fuse assigned to the rectifier being tested 2 Set a DMM to measure 54 volts and connect it between the rectifier input conductor at the bottom of CB1 and dc output return 3 Slowly turn the Float Adj potentiometer clockwise until the rectifier shuts down This should occur at the...

Page 91: ...iers should turn off b ECS 6U or ECS 12U Place a ground on TB101 9 in the ECS controller to turn off rectifiers 1 and 5 and 9 in ECS 12U via the TR signal The rectifier s should turn off c Galaxy Place a ground on TB3 8 in the Galaxy controller to turn off rectifiers 1 2 9 10 17 and 18 via the TR signal The rectifier s should turn off 2 Remove the ground The rectifier s should turn on 3 Repeat Ste...

Page 92: ...tifier voltage to the SHVSD level of the controller 2 Adjust the load so the rectifier delivers 20 30A 10 to 15 percent of its rated amperage 3 The rectifier should shut down and the RFA LED on the control panel should light 4 Observe that the rectifier restarts after 4 seconds and shuts down again With an MCS controller a second restart may occur 5 Adjust rectifier back to its proper setting Turn...

Page 93: ... each millivolt of voltage drop across the shunt indicates 5A of output current 4 Convert the DMM shunt voltage reading to amperes For example if the DMM reads 20mV then 20mV x 5A mV 100A of output current 5 Compare the amperes calculated in Step 4 with the digital display of the meter while the switch is in the AMPS position 6 If the digital display is between 2 2A than the amperes calculated in ...

Page 94: ... fastest way to adjust a group of rectifiers to float voltage is to adjust them individually turning each one off after adjustment and turning them all on after the last adjustment In order to use this method however the load requirement at the time of the adjustments must be less than the capacity of the smallest rectifier 1 Measure the battery voltage by holding the meter selector switch in the ...

Page 95: ...ith the highest output current b If the voltage is too low turn the Float Adj potentiometer clockwise on the rectifier with the lowest output current 3 Check the battery voltage and repeat Steps a and b above until the battery voltage is within the required tolerance of the desired float voltage 4 If all rectifiers are not carrying some load current between 5 percent and 95 percent of rated load p...

Page 96: ...rs to float voltage as described above enable the load share feature 1 Make sure that each rectifier is carrying some load current between 5 and 95 of full load 2 Move S1 9 on CM2 right to the 1 on position on each load sharing rectifier Each rectifier should load share to within 20 amperes 3 Verify that load sharing rectifiers are producing the same current 20 amperes 4 Simulate a blown F1 fuse F...

Page 97: ...igure 5 6 3 Turn the rectifier on and adjust the test load until the rectifier output equals full load 4 Enable load share by closing S2 7 If not already adjusted in a previous procedure adjust the output voltage to the desired level You may need to readjust the test load so that output current equals full load again 5 Using a DDM measure the NLS voltage across TB1 2 R and TB3 12 NLS of CM4 The me...

Page 98: ...ame method to fine tune output voltage and currents at the same time Note At least two load sharing rectifiers are required for testing Each rectifier must be adjusted according to Steps 1 through 9 above S2 7 on CM4 must be closed 10 Verify that load sharing rectifiers are producing the same current 5 of the full load rating of the largest rectifier If not fine tune according to Step 9 11 With th...

Page 99: ...8 volts with high current capacities may be present in the equipment Follow the procedures in the order given to minimize dangerous encounters with these voltages Exercise extreme caution when working near the battery bus bars 1 At the rectifier control panel turn the Power switch Off Turn the CB1 circuit breaker Off down 2 At the ac service panel remove the fuses or open the circuit breakers whic...

Page 100: ...harge and charge ground bus bars Insulate the connector ends and label the conductors for easy identification when reconnecting 7 One at a time disconnect the dc output conductors from the rectifier hot and return bus bars Insulate the connector ends and label the conductors for easy identification when reconnecting 8 One at a time disconnect the ac input conductors from their terminations the ac ...

Page 101: ... Rectifier will not start and no indication on front panel J5A should be disconnected If not the controller could be shutting the rectifier down 1 No ac input to rectifier 1 Check for ac input voltage to rectifier 2 Board improperly installed 2 Check board interlocks and connections to boards 2 Rectifier will not start and gives RFA alarm 1 CM2 control board is defective 1 Check for 27 Vdc between...

Page 102: ...set too high 1 Turn Float Adj potentiometer all the way counterclockwise Hold meter selector switch in Rect V position and turn potentiometer clockwise until the rectifier shuts down Note at what voltage this occurs 2 Internal selective high voltage shutdown ISHVSD may be set too low 2 Verify ISHVSD is set to 58 volts 3 CM2 is defective 3 If the rectifier did not shut sown at the BUHVSD setting re...

Page 103: ... on 1 Defective wiring on CM3 1 Check wiring on CM3 2 CM3 is defective 2 Check if contacts 2 and 5 of K2 on cm7 are closed 3 Check connectors J1B and J3A 4 Replace CM3 12 Battery voltage measured by Plt V position on digital meter does not agree with battery voltage measured across Plant test jacks 1 Connect a DMM to the Plant jacks Hold the meter switch in the Plt V position while adjusting R15 o...

Page 104: ... LED and meter off Rectifier turned off by removing ground on RM48 or CM4 or ac power bus Power switch On or Auto Power LED off meter off or On PHA LED on Unacceptable ac input source either too low or loss of phase Power switch On or Auto Power LED off meter off or On FA and RFA LEDs on Blown fuse inside the rectifier or tripped circuit breaker Power switch On or Auto Power LED off meter off or O...

Page 105: ...ng properly ACF LED On All other conditions don t care AC input to rectifier fails on all three phases Power switch on On or Auto Standard Power LED On Standard Rectifier operating normally except not load sharing LSF LED On Load share interconnect bus has a short circuit Load share bus has opened but rectifier is otherwise normal Notes S2 2 on CM4 permits the meter to be On or Off with the rectif...

Page 106: ... CBR Closed No alarm CB CBR Open Output circuit breaker tripped CB CBR Closed No alarm RFA RFAR Open Rectifier Fail Alarm RFA RFAR Closed No alarm RFA CFA RFAR CFAR Open Charger Fail Alarm RFA or CFA RFA CFA RFAR CFAR Closed No alarm LOA LOAR Open AC Fail or Phase Alarm LOA LOAR Closed No alarm MAN LOAR Open Rectifier turned off manually MAN LOAR Closed Equalize acknowledge signal not present EQA ...

Page 107: ...removed from TR TRR No control Rectifier shuts down Rectifier off Open short between HV TRR Short applied between HV TRR Short removed from HV TRR No control Rectifier in equalize mode Rectifier in float after being in equalize Open circuit between EQL EQLR Short applied between EQL EQLR Short removed from EQL EQLR No control 48V rectifier turns on 48V rectifier shuts down after being On Open circ...

Page 108: ...CFR Closed No alarm LCA LCAR Open Load share enable output current less than 3 amperes LCA LCAR Closed No alarm LSF LSFR Open Load share enabled rectifier not load sharing LSF LSFR Closed No connection LS Standard Load Share not connected Connection LS Standard Load Share connected Must also be enabled via S1 9 on CM2 No connection NLS Special Application Load Share not connected Connection NLS Sp...

Page 109: ... and can serve as the discharge GRD for HV TR or RM R R Battery plant regulation voltage fused at 1 1 3 amperes and regulation ground can be applied when a Lucent controller is not connected to the rectifier In this situation R and R are used for external regulation sensing Front panel digital meter always active Switch S2 2 on CM set to Closed 1 Front panel digital meter active only when rectifie...

Page 110: ... one of the same type and capacity Alarm fuses F1 F2 and F3 on CM1 Output filter capacitor fuses F1 F2 F3 F4 F5 4 Restore the rectifier to service 5 If the rectifier started minor alarm retired on controller and the rectifier RFA light extinguished then the RFA problem has been cleared Otherwise continue with the following procedures The rectifier voltage may be too high 1 Observe and record the r...

Page 111: ...cedures 4 If replacing the CM2 board does not clear the problem then the outputs from T1 and T2 are probably unbalanced Try the following a Check the wiring to the thyristors see Figure 8 1 b Check for defective thyristors If defective replace 5 Verify that the controller s high voltage shutdown circuit is operating properly see the controller manual Clear Fuse Alarm FA 1 If the circuit breaker CB...

Page 112: ...Adjust the load so that the rectifier delivers approximately 100 amperes 50 of its rated current capacity 5 Connect a DMM set on the dc millivolt scale across the 329 test points E25 E26 See Figure 6 2 6 Observe the DMM and record the rectifier s shunt voltage The shunt is rated 250A 50mV 5A mV which means that each millivolt of voltage drop across the shunt indicates 5A of output current 7 Conver...

Page 113: ... needs adjustment before continuing with this procedure Amps 2 5 of reading 2 amperes To compare measure the shunt voltage 1mV of shunt voltage indicates 5 amperes of output current For example the shunt voltage should be 40 mV at full load 200 amperes At 125 of full load 250 amperes the shunt voltage should be 50 mV Table 7 G Digital Meter Tolerance Switch Position Tolerance Figure 7 1 Adjustment...

Page 114: ... 200 amperes If the current limit is set beyond this rating the unit may overheat and its useful life may be severely shortened ISHVSD in Plants Without a Controller To avoid overvoltage conditions on the actual battery plant loads perform this procedure with the rectifier disconnected from the battery A portable test load that can supply at least 220A 10 percent above the rectifier s current rati...

Page 115: ...ch in the Rect V position The rectifier should shut down b Open switch contact S3 7 close switch contact S3 8 and restart rectifier c Adjust the Float Adj potentiometer to obtain 57 30 0 0 5 volts Read voltage on control panel meter by holding meter switch in the Rect V position The rectifier should shut down d Close switch contact S3 7 and restart rectifier e Adjust the Float Adj potentiometer to...

Page 116: ... a small screwdriver to turn the Float Adj potentiometer clockwise until the digital meter reads approximately battery voltage c Turn the rectifier Power switch Off and immediately within 5 seconds turn circuit breaker CB1 on up 5 At the rectifier connect the control cable connector J5A 6 At the plant controller install the REG fuse associated with the rectifier that is being restored to service 7...

Page 117: ...troller manual for instructions Preventive Maintenance We recommend that all maintenance be done OFF LINE with all ac input and dc bus voltages disconnected from the rectifier being serviced Follow the instructions in Disconnecting a Rectifier at the beginning of this section At 12 month intervals check torque on various connections such as ac input and dc output connectors See Tables 8 A and 8 B ...

Page 118: ...Lucent Technologies Lineage 2000 200A Ferroresonant Rectifier J85503B 2 7 20 Troubleshooting and Adjustments Issue 8 January 1999 ...

Page 119: ... must be taken during reinstallation Applicable portions of Section 5 Installation may be helpful Portions of Section 6 Testing can be used after reinstallation to verify proper operation of the rectifier Note Read all of the considerations below before using the rectifier disassembly procedures Take proper precautions against accidental personal injury or damage to equipment Observe warnings give...

Page 120: ...ght apart with pliers to avoid bending or breaking the tabs Do not pull on wire Always remember to save hardware thermal pads and other items in a convenient place for reassembly DC capacitors can be examined to see if they have blown i e vented due to voltage breakdown failure A small hole in the capacitor top called a blowhole is plugged in a new or good capacitor but is empty blown out in a fai...

Page 121: ...cable torque When larger size screws are required provide captive type steel nuts or reduce torque Torque recommendations are also suitable for all non ferrous fasteners except aluminum Where the application permits use hex cap screws Table 8 A Minimum Torque for Electrical Connections Screw Size Torque Values in In Lb or Ft Lb Nm Wire Connections Head Tightened Nut Tightened Slotted Machine Hex S...

Page 122: ...a Rectifier 2 After replacing components restore the rectifier to service following the procedure in Section 7 Restore Rectifier to Service 3 Remove plastic shields where necessary to access components in the J85503B 2 rectifier 4 Refer to Figures 2 3 and 8 1 for component locations Table 8 B Torque and Minimum Yield Strength Values for Mechanical Connections Using Hex Head Cap Screws Cap Screw Di...

Page 123: ...mic If the case is cracked the manufacturer Semiconductors Ltd A Raytheon Company recommends the component be handled with gloves placed in a plastic bag and sealed before discarding The replacement part does not use a beryllium ceramic Figure 8 1 Component Locations DC Capacitors Optional DC Inductor L4 Behind Circuit Breaker Optional Diodes CR1 to CR4 on Heat Sink DC Capacitors Thyristors Q1 and...

Page 124: ...asure at least 50 times the other The larger resistance is the back resistance and the smaller is the forward resistance Most diodes that fail do so by shorting i e they will measure shorted or almost shorted in both directions 3 If the diode checked bad replace it If the diode checked good reinstall it 4 Remove the nut on the back side of the diode Save the thermal pad and nut Cut cable tie secur...

Page 125: ... it into the clamp with the positive terminal toward the inside Note All output capacitors should be replaced if any are being replaced 4 Replace the negative bus bar Tighten the mounting screws first and then the capacitor terminal screws 5 Replace the fuse assembly Replace fuse if required CB1 Circuit Breaker 1 Remove the output cables to the rectifier 2 Remove the bolts securing the input bus b...

Page 126: ...s AC Inductors L1 L2 1 Remove the cables and wires from both terminals of the inductor 2 While supporting the weight of the inductor remove the inductor from the rectifier 3 Install the new inductor in the reverse order AC Capacitors C1 C6 C13 and C14 1 Remove the quick disconnect receptacles from the capacitor and note their positions 2 Remove the screws securing the capacitor clamp and capacitor...

Page 127: ... worn for all circuit pack handling The alligator clip connector of the wrist strap must be connected to a bare metal frame ground The wrist strap must contact the skin and is not to be worn over clothing At least once every week of use verify that the resistance between the wrist strap and its connector plug is 1 milliohm 10 If a static sensitive pack has already been found faulty do not ignore r...

Page 128: ...tatic generating materials away from all circuit packs These materials include common plastics such as food wrappers clear plastic bags styrofoam containers packing material drinking cups notebooks and nonconductive plastic solder suckers The insulation on small hand tools does not represent a static hazard Keep adhesive tape Scotch masking etc away from static sensitive devices When soldering sta...

Page 129: ...ard may result Do NOT disconnect cables by pulling the cable 7 Disconnect control cable connector J5A from the CM4 board by unlatching first then pulling the connector 8 Remove all cables from CM1 by unlatching first then pulling the cable connector 9 Remove CM1 from its four support standoffs by using a small flat bladed screwdriver to push in the latches on each standoff 10 Position the new CM1 ...

Page 130: ...rd by unlatching first then pulling the connector 7 Disconnect JT2 JT3 J3A J4 J5 J6 and J7 connecting cables from CM2 8 Remove CM2 from the six support standoffs by using a small flat bladed screwdriver to push in the latches on each standoff 9 Position the new CM2 board over the six standoffs Verify that each latch snaps and locks in place 10 Reconnect JT2 JT3 J3A J4 J5 J6 and J7 connecting cable...

Page 131: ... flat bladed screwdriver to push in the latches on each standoff Remove the one screw holding CM3 in place 9 Position the new CM3 board over the two standoffs Replace the screw Verify that each latch snaps and locks in place 10 Reconnect connecting cables to CM3 11 Check calibration of rectifier meter per Section 7 Calibrate CM3 Digital Meter 12 If the rectifier is to be restored to service refer ...

Page 132: ...the latches on each standoff 9 Position the new CM4 board over the standoffs Verify that each latch snaps and locks in place 10 Reconnect connecting cables to CM4 11 If the rectifier is to be restored to service refer to Section 7 Restore Rectifier to Service CM5 or CM6 Snubber Board 1 Remove the quick disconnect connectors from the board 2 Push in on the plastic locking tabs to free the board 3 R...

Page 133: ...NOT disconnect cables by pulling the cable 6 Disconnect control cable connector J5A from the CM4 board by unlatching first then pulling the connector 7 Disconnect the connecting cables from CM7 8 Remove CM7 from any support standoffs by using a small flat bladed screwdriver to push in the latches on each standoff Remove the two screws holding CM7 in place 9 Position the new CM7 board over the two ...

Page 134: ...Lucent Technologies Lineage 2000 200A Ferroresonant Rectifier J85503B 2 8 16 Replacing Components and Circuit Modules Issue 8 January 1999 ...

Page 135: ...the warranties given to Seller by its Vendor of such Vendor Items such assignment to be effective upon Customer s acceptance of such Vendor Items With respect to Vendor items recommended by Seller in its specifications for which the Vendor s warranty cannot be assigned to Customer or if assigned less than Sixty 60 days remain of the Vendor s warranty or warranty period when the Vendor s items are ...

Page 136: ...lects to repair but which are not readily returnable for repair whether or not installed by Seller Seller at its option may repair the cable and Wire Products at Customer s site D If Seller has elected to repair or replace a defective Product Customer shall have the option of removing and reinstalling or having Seller remove and reinstall the defective or nonconforming Product The cost of the remo...

Page 137: ... other than Seller or its subcontractors caused by any of the following modifications misuse neglect accident or abuse improper wiring repairing splicing alteration installation storage or maintenance use in a manner not in accordance with Seller s or Vendor s specifications or operating instructions or failure of Customer to apply previously applicable Seller modifications and corrections In addi...

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