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Содержание Lineage 2000 J85503C-3

Страница 1: ...Lineage 2000 400 Ampere 60 Hertz Ferroresonant Rectifier J85503C 3 Product Manual Select Code 169 790 132 Comcode 107239915 Issue 10 July 2000 2000 Lucent Technologies ...

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Страница 3: ...0 Ampere 60 Hertz Ferroresonant Rectifier J85503C 3 Notice The information specifications and procedures in this manual are subject to change without notice Lucent Technologies assumes no responsibility for any errors that may appear in this document 2000 Lucent Technologies All Rights Reserved Printed in U S A ...

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Страница 5: ...Current Walk in 2 2 Electronic Current Limit 2 2 Backup Current Limit 2 2 Selective High Voltage Shutdown 2 2 Internal Selective High Voltage Shutdown ISHVSD 2 3 Backup High Voltage Shutdown BUHVSD 2 3 Dynamic Response 2 3 Forced Electronic Load Sharing 2 3 Safety Interlocks 2 3 Restart Circuit 2 3 Output Circuit Breaker 2 3 Output Fuse and Fuse Alarm Switch 2 4 Output Current Indication 2 4 Outpu...

Страница 6: ...ntrols and Indicators 2 8 Output Meter 2 8 Rect V 2 8 Power Switch 2 8 LEDs 2 9 Rect Test Switch 2 9 Rect and Test Jacks 2 9 Plant and Test Jacks 2 9 Float Adj 2 9 FLT EQ 2 10 Equal Adj 2 10 Circuit Breaker 2 10 Output Fuse Alarm Switch 2 10 Circuit Modules 2 12 CM1 329A Fuse Board 2 12 CM2 208F Control Board 2 13 CM3 323D Digital Meter Board 2 13 CM4 330B Interface Board 2 13 CM5 CM6 ED83156 30 G...

Страница 7: ...1 DC Power Cables 5 12 Supplemental Central Office CO Ground 5 13 Plant Control Cable Assembly Lucent Technologies Controller 5 13 Plant Control Cable Assembly External Alarm Control Bay 5 16 DIP Switch Settings 5 17 208F Control Board CM2 5 17 323D Digital Meter Board CM3 5 20 329A Fuse Board CM1 5 20 330C Interface Board CM4 5 20 Converting AC Voltage 5 20 Initial Battery Charging 5 21 6 Testing...

Страница 8: ...16 Isolated Current Measuring VI Test 6 17 Phase Failure Test 6 18 Backup High Voltage Shutdown HVSD 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 20 Meter Test On Line 6 21 Adjust Rectifiers to Float Voltage 6 22 Individually 6 22 As a Group 6 23 Enable and Test Load Share 6 24 Special Application Load S...

Страница 9: ...8 7 CM3 Digital Meter Board 8 8 CM4 Interface Board 8 9 CM5 or CM6 Snubber Board 8 9 CM7 Transformer Board 8 10 Replacing Components 8 11 Guidelines 8 11 Torquing Requirements 8 12 Thyristors Q1 Q2 8 15 Diode Heat Sink Assemblies 8 15 DC Capacitors C7 through C12 8 16 CB1 Circuit Breaker 8 16 F7 Fuse and SW1 Switch Assembly 8 17 DC Inductor L3 L4 8 17 Contactor Relay K1 8 18 AC Inductors L1 L2 8 1...

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Страница 11: ...ting Detail 5 2 Figure 5 2 Floor Anchoring 5 3 Figure 5 3 AC and DC Termination Points 5 6 Figure 5 4 Top View of the J85503C 3 Rectifier 5 6 Figure 5 5 DC Output Cables in Cable Rack 5 8 Figure 5 6 CM4 Interface Board 5 13 Figure 5 7 Top Half of DIP Switch Label 5 18 Figure 5 8 Bottom Half of DIP Switch Label 5 19 Figure 6 1 Battery Plant Simulator Test Set 6 2 Figure 6 2 CM1 Fuse Board With Clip...

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Страница 13: ...k Widths for 350KCMIL Cables 5 8 Table 5 D Controller Connectors 5 14 Table 5 E Control Settings for Initial Battery Charge 5 21 Table 6 A Test Set Connections 6 3 Table 6 B Rectifier Control Settings for Testing Off Line 6 4 Table 6 C Rectifier Control Settings for Testing On Line 6 14 Table 6 D Rectifier Controls for Meter Test On Line 6 21 Table 7 A Troubleshooting 7 3 Table 7 B Front Panel Con...

Страница 14: ...Prior to Restoring a Rectifier to Service 7 17 Table 8 A Circuit Packs in the J85503C 3 Rectifier 8 2 Table 8 B Spare Fuse Information 8 4 Table 8 C Spare Electrical Parts 8 5 Table 8 D Minimum Torque for Electrical Connections 8 13 Table 8 E Torque and Minimum Yield Strength Values for Mechanical Connections Using Hex Head Cap Screws 8 13 ...

Страница 15: ...nverts commercial 416 volt ac input power at 60 Hertz into highly regulated and filtered low noise 48 volt dc output power for telecommunications equipment loads Central offices usually obtain electrical power from potentially noisy commercial ac lines and or emergency generators during commercial power failures The J85503C 3 rectifier provides the high quality dc power required for proper operati...

Страница 16: ... 00 a m until 4 30 p m Central Time Zone Zone 6 Monday through Friday Technical Support Technical support for Lucent Technologies customers is available around the world during the normal product warranty period and also while specific contractual agreements extend this service For customers in the United States Canada Puerto Rico and the US Virgin Islands call 1 800 CAL RTAC 1 800 225 7822 to con...

Страница 17: ...duct Manuals For Lucent Technologies users logging in from inside the corporate firewall the address of the Power Systems On Line Product Manuals page is http www cic lucent com lineage html For customers logging in from outside the firewall the address is http www lucent8 com lineage html The annual subscription fee for access to this site is 25 To obtain a password follow the instructions on lin...

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Страница 19: ...ts Eliminates internal switching transients typically associated with older technologies Reduces noise and transients from the commercial ac source As the interface between commercial power and telephone equipment the ferroresonant rectifier significantly attenuates noise and lightning surges from commercial lines Introduces far less noise into closely coupled telephone lines due to lower harmonic...

Страница 20: ...onds As the output voltage walks in so does output current This feature minimizes the starting surge on the customer s power source and is especially important with a more limited power source such as an engine driven alternator Electronic Current Limit The rectifier provides a constant output voltage up to its rated output current at which point it provides constant current This current limit set...

Страница 21: ... 10 percent of the input voltage the sense point voltage remains within 5 percent of its setting and returns and remains in the 1 2 percent band within 300 milliseconds For operation without batteries the sense point voltage remains within 10 percent of its setting and returns and remains in the 2 percent band within 500 milliseconds for any step load change of 50 to 90 percent or 90 to 50 percent...

Страница 22: ...ment Range The rectifier is capable of providing up to 65 volts dc output at 50 percent of its rated output power and nominal input voltage Float Equalize Boost The rectifier can be put into the Equalize mode in one of three ways Receiving a signal from a Lucent Technologies Galaxy Controller or an MCS Controller equipped with Version 4 0 firmware Putting the front panel switch on the digital mete...

Страница 23: ... the rectifier can be turned on and off remotely This feature can be enabled or disabled via a switch on the interface board Output Noise The output noise is limited to 32 dBrnc When measured with a psophometric noise meter the noise is less than two millivolts rms All of the above requirements are at full load on battery and the noise is measured at the battery Rectifier Failure Alarm RFA Test A ...

Страница 24: ...leads and dc capacitors are fused and alarmed When any fuse alarm circuit operates except for the LSF fuse the rectifier shuts down and the fuse alarm FA and rectifier fail alarm RFA LEDs light Tripping the output circuit breaker also generates an FA Opening the output fuse also generates an FA through the output fuse alarm switch Rectifier Failure Alarm RFA When a rectifier fails an RFA issues to...

Страница 25: ...e Monitor Circuit PHA The phase monitor circuit signals a Lucent Technologies controller if present when the input voltage decreases to less than 70 present of the nominal value or when the voltage on any phase is completely missing If the rectifier is supplying less than 20 percent of its rated output 80 amperes the rectifier may remain operational if it is supplying more than 80 amperes the rect...

Страница 26: ...ch is in the Amps position The rectifier output voltage when the meter switch is in the Rect V position The battery voltage when the meter switch is in the Plt V position Rect V The user may select whether the default position of the meter switch is rectifier current or battery voltage Otherwise moving the switch momentarily to the Rect V position displays the rectifier voltage The user may also s...

Страница 27: ... three phase commercial ac into the rectifier fails and the rectifier is connected on battery Rect Test Switch Rect Test switch provides a manual test of the rectifier regulation by simulating a full load FL or no load NL condition Operating the switch raises or lowers the output voltage setting of the rectifier by 0 25 volt when on battery When the switch is in the center position the rectifier i...

Страница 28: ...al 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 breaker trips midway between On and Off because of excessive current an alarm is transmitted to the plant controller When the circuit b...

Страница 29: ... 2 11 Figure 2 2 J85503C 3 Rectifier With Door Open CM4 Interface Board 330C CM3 Digital Meter Board 323D CM2 Control Board 208F1 CM1 Fuse Board 329A CM7 Transformer Board 425C D E or F CB1 Circuit Breaker 450 Amp F7 SW1 Output Fuse and Alarm Switch 600 Amp CM5 and CM6 Snubber Boards ED83156 30 G3 Main Transformers ...

Страница 30: ...ly Table 2 A provides a description of each module CM1 329A Fuse Board The CM1 circuit module 329A Fuse Board protects the control circuits from faults in the rectifier power train It contains alarm fuses bleeder resistors access points for the plant shunt voltage and an isolated RFA transfer contact Table 2 A Circuit Packs in the J85503C 3 Rectifier Circuit Module Apparatus Code Comcode Descripti...

Страница 31: ...rm interface points for AC fail RFA test load share LCA and LSF CM5 CM6 ED83156 30 G3 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 SD82685 02 for further information CM7 425C D E F Transformer Boards The CM7 circuit modules 425C D E F Transformer Boards contain the sense t...

Страница 32: ...ctifier 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 Technologies controller or if additional monitoring is desired interface to TB1 TB2 and TB3 of the 330B interface board The plant controllers also use replaceable circuit modules Refer to H285 226 to order cable assemblies for other Galaxy configurati...

Страница 33: ...anges 184 220 volts ac 212 254 volts ac 422 509 volts ac 366 441 volts ac Input Current 70 amperes 208 volts ac Note 2 60 amperes 240 volts ac Note 2 35 amperes 416 volts ac Note 2 30 amperes 480 volts ac Note 2 Efficiency 92 typical Note 2 Regulation on Battery 0 5 Regulation off Battery 2 AC Ripple 50 millivolts peak to peak Note 3 Output Noise On Battery 44 dBrnc 32 dBrnc Note 3 Psophometric No...

Страница 34: ...m 16 25 inches Weight 603 28 kg 1330 pounds Note 1 Can operate at 440 amperes output for periods shorter than 8 hours Note 2 Measured at 54 volts under full load Note 3 Measured on 1600 ampere hour battery with a 0 5 volt lead drop Optional list 8 on J85503C 3 has 32 dBrnc at full load on battery Note 4 At full load measured at battery Note 5 For altitudes above 1524 meters derate the temperature ...

Страница 35: ...e 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 volt...

Страница 36: ...ge 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 for battery recharge in 24 hours follow...

Страница 37: ...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 400A rectifiers required to supply at least 3420A is nine 9 x 400A 3600A Nine rectifiers are required in a non redundant system If one of the rectifiers fails the remaining rectifier capacity is 3200A 8 x 400A which is greater than the 2850A abh Therefore nine 400A rec...

Страница 38: ...acity of less than 210 amperes the system is redundant Ordering The 400 ampere 60 Hertz rectifier is ordered using the List L numbers and tables on the J85503C 3 equipment drawing and has four main configurations based on different input voltage options List 1 provides a rectifier with a 208 volt ac input List 2 provides a rectifier with a 240 volt ac input List 3 provides a rectifier with a 480 v...

Страница 39: ...mpere output circuit breaker with a 500 ampere output circuit breaker See Note 7 7 Always required in addition to lists 1 2 3 and 4 when bus bar plant is used Not required with cable plant 8 Optional equipment in addition to lists 1 2 3 or 4 to provide additional filtering to limit the output noise to 32 dBrnc with a battery present See Note 3 9 Reserved 10 Option to replace English safety labels ...

Страница 40: ...features The digital meter can be set to display either the output current or the plant voltage The 330C monitors CFA RFA RFA CB LOA EQA and MAN conditions It also provides access to RM24 RM48 R R RS RSR TR TRR BAT GND 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 ...

Страница 41: ...re circuit breaker and meets GTE standard 8336 issue 1 for output protection 8 When installing J85503C 3 rectifiers in a plant with other Lucent Technologies Lineage 2000 rectifiers cut lead 13 of the interface cable of all the rectifiers not equipped with an equalize feature to prevent the J85503C 3 rectifier from being placed permanently in an equalize mode of operation Table 3 B Hardware Equipm...

Страница 42: ...the rectifier as required 15 The side and end covers attach to the frame by sliding the cover internal flanges into the mounted plastic clips With covers resting in the clips secure the top of the covers with 10 32 screws and star washers 16 Installation mounting plates junction plates are provided for side to side top support for adjacent rectifiers 17 Install the kick plate in the field to avoid...

Страница 43: ...circumstance toll the control cable up inside the rectifier Roll up any extra length of control cable and tie it up at the controller 21 The J85503C 3 rectifier is capable of forced load share with other J85503C 3 rectifiers It will not load share with a J85503C 1 rectifier 22 For international applications place the two labels on the face plate The definition for boost in the international market...

Страница 44: ...er This sample order is for a 400 ampere 60 Hz rectifier with a 208 Vac input It includes a filter for limiting the output noise to 32 dBrnc a side cover and a cable for connection to a Galaxy controller Sample Order Item Qty Description 1 1 J85503C 3 L 1 400 Amp 48V Rectifier E W L 8 L 20 2 1 H285 225 G 60 Cable Assembly A Dim __ ft lg ...

Страница 45: ...ices The strength of the magnetic field depends on the amount of current in the circuit as well as other conditions such as number of conductors placement and distance from the conductor DC power and distribution systems including the batteries that are typically used in telecommunication utility rooms can operate at high current levels Personnel with electronic medical devices need to be aware of...

Страница 46: ...t 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 DC capacitors may be charged even with power disconnected from the rectifier If filter capacitor fuses have blown capacitors will be charged Always check all of the dc capacitor ter...

Страница 47: ...less you and the circuit pack are at the same ground potential 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 a static safe work position with wrist straps and dissipative table mats Upon removal from the rectifier immediately put circuit packs into...

Страница 48: ...ions for important information These symbols or equivalent are used to identify the presence of hazardous ac mains voltage This symbol is used to identify the presence of hazardous ac or dc voltages It may also be used to warn of hazardous energy levels One of these two symbols or equivalent may be used to identify the presence of rectifier and battery voltages The symbol may sometimes be accompan...

Страница 49: ...be at hazardous voltage levels This symbol may also be used to identify the presence of a hot surface The marked item should not be touched without taking care This symbol is used to identify the protective safety earth ground for the equipment This symbol is used to identify other bonding points within the equipment This symbol is used to identify the need for safety glasses and may sometimes be ...

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Страница 51: ... s screwdriver electrical tape wire cutters and strippers wire with area of 16 510 to 211 600 circ mils 8 AWG to 4 0 wire Proper crimping tools and dies for connectors Use only tooling dies recommended by the lug or connector manufacturer to assure proper connection and compliance with local and national codes Common mechanic s hand tools including flat blade screwdriver 30 inch blade width socket...

Страница 52: ...ocate drill and set floor anchors before placing the rectifier Figure 5 1 is a picture of this template showing the anchor holes measurements and instructions for drilling anchor holes for installation in earthquake zones 3 or 4 Anchor bolts for Zones 0 1 and 2 are self drilling See Table 3 B for anchor bolt ordering information The anchor bolts are self drilling Figure 5 2 shows these floor ancho...

Страница 53: ...rough perforations in the front door and is exhausted through perforations in the top cover A minimum of 66 04cm 26 inches in front and 30 48cm 12 inches above the rectifier must be free of obstructions to allow the door to swing free and provide for adequate ventilation In a side by side alignment of rectifiers the cabinet door opens 90o and projects approximately 66cm into the front aisle causin...

Страница 54: ...uit protection located in the ac service panel supplying the rectifier input circuits The fuse types shown are BUSSMANNTM fuses Equivalent UL listed fuses or circuit breakers can be used in lieu of the fuses shown If circuit breakers are used they should have trip elements of an equivalent rating to the recommended fuse The green wire ac equipment ground AC EG is also known as frame ground FR GRD ...

Страница 55: ...lex 1 4 20 bolts 3 480 30 FRS R 50 50 3 6 AWG 26 240 WP91412 L 171 10 32 bolts 1 1 4 in 3 1 5 cm 1 3 4 in 4 1 2 cm 1 AC EG 8 AWG 16 510 WP91412 L 52 10 32 nuts 4 416 35 1 CO 2 AWG 66 360 WP91412 L 54 Class B WP91412 L 8 Flex 1 4 20 bolts Notes 1 Use the wire or cable in Table 5 A where available Otherwise use commercial UL listed wire or cable that meets the National Electric Code NEC and local re...

Страница 56: ...C Input DC Output V and V Output Bus Bars CM1 Fuse Board CM7 Transformer Board V V Figure 5 4 Top View of the J85503C 3 Rectifier Opening for AC Input Wires and AC Ground AC EG Opening for 4 DC Output Cables List 21 Rear Cover List 20 Side Cover List 20 Side Cover Opening for Plant Control Cable Two Possible Connections for CO Ground in Opposite Corners Holes in 4 Corners for Lifting Eyebolts Not ...

Страница 57: ...ve output terminals The output cables must have a minimum rating of 90 C The term rectifier charge cables refers to the DC power cables which connect the DC power output of a rectifier to the power plant batteries They are also called rectifier output cables or battery charge cables The rectifier charge cables are unfused and must be segregated from all other racks for their entire lengths These c...

Страница 58: ...y other heat source Run the output conductors in pairs positive and negative Distribute the conductors evenly across the rectifier output racks Pair the charge cables in the cable rack Figure 5 5 shows how to run the dc output cables from two 400 ampere rectifiers in a cable rack Table 5 C Rack Widths for 350KCMIL Cables Rack Width Number of 400 Ampere Rectifiers 12 4 15 5 20 7 25 9 Figure 5 5 DC ...

Страница 59: ...ons use all four eyebolts After the rectifiers are in place and the eyebolts removed the 5 8 11 holes may be used for the threaded rods used to support cable racks Unpacking Move the crated rectifier to a convenient area for uncrating and follow the steps listed below 1 Remove any shipping bands 2 Check tilt or shock indicators If tripped contact shipping company and process claims form 3 Pry off ...

Страница 60: ...g information locate the exact position specified for the rectifier 2 Using template found in service kit provided with each rectifier drill holes for a minimum of two diagonally placed floor anchors In Earthquake Zone 3 or 4 drill all four holes 3 Set anchors and if on raised floor assemble tie down rods and couplings 4 Using appropriate material handling equipment move the rectifier into place l...

Страница 61: ...tors to rectifier 4 Install crimp connectors onto phase leads and AC EG lead as required by plant installation Use the proper crimping tool and die for the connector to prevent damage to equipment See Table 5 A 5 Secure phase leads and AC EG lead in rectifier Install ground lead first Torque phase connections as follows List 1 and 2 65 in lbs 8 Nm List 3 and 4 30 in lbs 4 Nm AC EG 30 in lbs 4 Nm 6...

Страница 62: ... terminate in the rectifier Label each cable 5 Place the dc output return cable in cable rack 6 Insert ends of return cables through top of rectifier and terminate connector on the positive ground bus bar in the rectifier Torque connections to 30 Nm 240 in lb See Figure 5 3 7 One at a time remove tape or insulation from connector at other end of return cable and terminate on plant charge ground bu...

Страница 63: ... nearest connection point on top of the rectifier see Figure 5 4 Torque to 8 Nm 65 in lb Plant Control Cable Assembly Lucent Technologies Controller All cables connecting Lucent Technologies controllers to this rectifier have a 40 pin connector on the rectifier end which terminates on connector P5A of the CM4 interface board inside the rectifier door See Figures 2 2 5 3 and 5 6 Table 5 D provides ...

Страница 64: ...umber to be assigned the rectifier in the rectifier lineup that is 1 2 3 etc 4 If the controller is an MCS cut lead TP3 pin 18 in the controller end of the cable See your controller manual This signals to the controller that the rectifier is a J85503C 3 If the controller is a Galaxy or a CCS do not cut any lead 5 Remove the plastic covers on the back of the bay housing CCS and MCS controllers The ...

Страница 65: ...ntroller automatically enables equalize and the CCS controller does not have a provision for equalize 8 Dress and tie down the cable to provide stress relief at the connector 9 If rectifiers are to be operated in load share and are being used with other than a Galaxy controller with the associated enhanced signals control cable connect a 20 gauge wire from TB3 7 on CM4 to TB3 8 on CM4 of the adjac...

Страница 66: ...om the CM4 interface board Plant Control Cable Assembly External Alarm Control Bay If a non Lucent Technologies controller is used the external alarm control bay cable assembly is provided by the user It connects to terminal strips TB1 TB2 and TB3 of the CM4 interface board located in the rectifier Thirty four signals are accessible from the TB1 TB2 and TB3 terminal strips 1 You may connect all th...

Страница 67: ... position as indicated in the options column of Figure 5 7 S1 6 controls the time of the walk in circuit and is factory set for a walk in time of about 10 seconds Changing the factory setting will eliminate the rectifier walk in S1 9 enables load share The factory setting is off load share disabled S2 1 through S2 8 configure the rectifier as either a 24 volt or a 48 volt rectifier For the J85503C...

Страница 68: ...ndcell BUHVSD 24V BUHVSD 48V S1 1 S1 2 S1 3 S1 4 S1 5 S1 6 S1 7 S1 8 S1 9 S1 10 S2 1 S2 2 S2 3 S2 4 S2 5 S2 6 S2 7 S2 8 S2 9 S2 10 S3 1 S3 2 S3 3 S3 4 S3 5 S3 6 S3 7 S3 8 S3 9 S3 10 S2 1 S2 2 S2 3 S2 4 S2 5 S2 6 S2 7 S2 8 S2 9 S2 10 S3 1 S3 2 S3 3 S3 4 S3 5 S3 6 S1 1 S1 2 S1 3 S1 4 Yes Yes Yes No No No Yes Yes Yes Yes No No No No No No No No Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes No No...

Страница 69: ...Lucent Technologies Lineage 2000 400A 60Hz Ferroresonant Rectifier J85503C 3 Issue 10 July 2000 Installation 5 19 Figure 5 8 Bottom Half of DIP Switch Label ...

Страница 70: ...ifier is turned off either via the front panel or via the controller S2 3 S2 6 configure the rectifier for operation with a 24 or 48 volt plant Converting AC Voltage The main list number of the J85503C 3 rectifier Lists 1 2 3 or 4 determines the ac input voltage of the unit See Table 3 A List 1 has 208 volt ac input and uses the 425C transformer board List 2 has 240 volt ac input and uses the 425D...

Страница 71: ... voltage shutdown ISHVSD open S3 5 on the CM2 board See Figure 6 3 3 To raise the backup HVSD level adjust S3 1 S3 4 on CM2 to one of the levels given in Table A on the rectifier door Choose a level 1 to 2 volts above the initial charge voltage 4 Close the rectifier door and turn the Power switch On The green Power LED must be on If not do not attempt to turn on the circuit breaker CB1 Troubleshoo...

Страница 72: ... the limits specified by the battery manufacturer After completing the initial charge 1 Turn the rectifier Power switch Off and the circuit breaker off down 2 Restore the original switch settings by closing S3 5 and restoring the backup HVSD on the CM2 board Refer to switch setting label located on the inside of the rectifier door 3 To restore the rectifier to service follow the procedure in Secti...

Страница 73: ...rmed See Battery Plant Simulator Test Set 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 within each procedure The ac input voltage powers certain ...

Страница 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 Table 6 A shows how to connect t...

Страница 75: ...isconnect J5A from CM4 by unlatching first then pulling the cable connector 4 Refer to Figure 5 3 and connect the test load between the input bus to circuit breaker CB1 labeled Test Load and any convenient point on the ground bus anywhere in the plant Use 24 AWG multiconducting wire and 40 pin female connector from AMP Inc Harrisburg Pa Cable will then plug into P5A connector on CM4 board For exam...

Страница 76: ...ure See the appropriate controller manual for instructions 3 Using the digital multimeter DMM on the dc volts scale make the following checks a Verify that dc voltage is not present between the rectifier output bus bars See Figure 5 3 b Install the regulation REG fuse associated with the rectifier in the plant controller Table 6 B Rectifier Control Settings for Testing Off Line Controls Position S...

Страница 77: ...fore proceeding with testing e With the BAT fuse installed in the plant controller check for battery voltage between pin 5 of J5A and ground f If the plant is equipped with an MCS controller or a Galaxy controller with Intelligent features again on J5A check for 15 20 volts dc between pins 35 and 31 Pin 35 should be positive with respect to pin 31 4 Place the Battery Plant Simulator Test Set Figur...

Страница 78: ...cent Technologies Lineage 2000 400A 60Hz Ferroresonant Rectifier J85503C 3 6 6 Testing Issue 10 July 2000 Figure 6 2 CM1 Fuse Board With Clip Connections White Test Clip White Test Clip Older Version CM1 ...

Страница 79: ...rroresonant Rectifier J85503C 3 Issue 10 July 2000 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 ...

Страница 80: ...s in the test set and the red lead should be approximately 27 volts dc with respect to the black lead 2 The PWR lamp should remain lit during the remaining 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 delive...

Страница 81: ...ly as described below See Figure 5 3 1 Connect the test meter to the Test Load bus bar at the bottom of CB1 and the V output bus bar as labelled in Figure 5 3 Do not connect the meter to the dc bus bar beyond circuit breaker CB1 this would measure the output of the entire plant including the batteries not just the rectifier 2 Temporarily disable the current limit voltage fold back circuitry by str...

Страница 82: ...ht 6 Turn off the ac at the service panel and reconnect the input lead 7 Turn on the ac at the service panel The rectifier should restart On the test set only the PWR and MAN lamps should light Backup High Voltage Shutdown HVSD Test 1 Reduce test load to 0 amperes Disable the internal selective HVSD by opening S3 5 on CM2 Move switch to the left See Figure 6 3 2 Slowly turn the Float Adj potentiom...

Страница 83: ...rectifier delivers 40 60A 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 be...

Страница 84: ...ncels the Low Current Alarm for 5 7 minutes after a Rectifier Fail Alarm Allow enough time between RFA and LCA testing for this to occur 1 If using the load share option verify that the S1 9 switch on CM2 is in the 1 position on 2 Reduce the load to 0 amperes 3 The LCA LED on the front panel should light and the LCA alarm should issue to TB3 terminals 5 and 6 Load Share Fail LSF Test Note Load Sha...

Страница 85: ...igital display of the rectifier meter while the switch is in the AMPS position 6 If the rectifier display is between 2 2A of amperes calculated in Step 4 This procedure is completed 7 If the rectifier current display is not within the range indicated in Step 6 calibrate the CM3 card via its R15 potentiometer as specified in Section 7 Off line Test Completion 1 Reduce the load to zero 2 Turn the Po...

Страница 86: ...ns 3 At the ac service panel supplying power to the rectifier insert the input fuses assigned to the rectifier or turn the circuit breaker On Warning DO NOT turn on the CB1 circuit breaker until indicated in the procedure 4 To bring the rectifier into service do the following a Turn the rectifier Power switch On The green Power LED must light Wait 10 seconds Table 6 C Rectifier Control Settings fo...

Страница 87: ...voltage and assume any load now that it has changed to external regulation mode Testing On Line On and off line testing require different procedures although most tests can be performed in either situation If you have just tested the rectifier off line it is not necessary to repeat the tests on line If no load is present connect a test load to the rectifier Disable load share by setting S1 9 on CM...

Страница 88: ... current limit only after verifying that a current limit circuit problem exists There must be two or more rectifiers with a plant load of at least 25 percent higher than the capacity of the largest rectifier This method applies to a working plant If the conditions in the following note cannot be met the unit must be tested off line In a working plant the current limit set point can be found by adj...

Страница 89: ... Adjust the rectifier to deliver approximately 200A 50 of its rated current capacity 3 Observe the DMM and record the rectifier s shunt voltage The shunt is rated 500A 50mV 10A mV which means that each millivolt of voltage drop across the shunt indicates 10A of output current 4 Convert the DMM s shunt voltage reading to amperes For example if the DMM reads 40mV then 40mV X 10A mV 400A of output cu...

Страница 90: ...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 voltage corresponding to the switch settings for BUHVSD Factory setting is 59 5 0 5 volt at no load The RFA lamp on the rectifier should light 4 Turn the Float Adj potentiometer counterclo...

Страница 91: ...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 Steps 1 and 2 on MCS or CCS TB1 30 to test rectifiers 3 4 11 and 12 MCS or 5 6 7 and 8 CCS ECS 6U or ECS 12U TB101 10 to test rectifiers 2 6 and 10 Galaxy TB3 9 to test rectifiers 3 4 11 12 19 and 20 4 Repeat Steps 1 and 2 on MCS or CCS TB1 31 to test rectifiers 5 6 13 and 14 ...

Страница 92: ...estarts 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 the unit off then back on The rectifier should restart and RFA lamp should go off AC Fail Test This test must be done on battery with CB1 on 1 Turn off the ac service to the rectifier The ACF LED on the control panel should light and an ac fail alarm sho...

Страница 93: ...to amperes multiply the DMM reading in millivolts by 10 For example if the DMM reads 20mV then 20mV X 10A mV 200A of output current 6 Compare the amperes calculated in Step 4 with the digital display of the rectifier meter while the switch is in the AMPS position 7 If the rectifier display is between 2 2A of amperes calculated in Step 4 this procedure is completed 8 If the rectifier current displa...

Страница 94: ...ay 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 Plt V posi...

Страница 95: ...ry voltage is within the required tolerance of the desired float voltage 3 If all rectifiers are not carrying some load current between 5 percent and 95 percent of rated load Note Rectifiers are not required to share load current equally unless load share is enabled a Turn off all spare rectifiers but leave enough rectifiers on to handle the load current b Turn up clockwise the Float Adj potentiom...

Страница 96: ...the plant load S1 9 on CM2 must be in the on position and the rectifiers must be connected for load sharing Test at any convenient current between 10 and 90 percent of the rectifier capacity 3 Verify that load sharing rectifiers are producing the same current 20 amperes 4 Simulate a blown F1 fuse FS1 socket on the CM2 control board The LSF LED on the control panel should light and a load share ala...

Страница 97: ...put voltage to desired float voltage if necessary 7 Reconnect NLS bus connections 8 Repeat Steps 1 through 7 on each rectifier in the plant Adjust non Lucent Technologies according to their respective manuals 9 After all adjustments have been made turn on all rectifiers Total load current should be shared in proportion to the full load rating of the largest rectifier You may fine tune the output o...

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Страница 99: ...hooting and Adjustments Introduction This section provides troubleshooting information and adjustment procedures for the J85503C 3 rectifier Whenever working on or near electrically live equipment observe all safety precautions Section 4 and within each procedure For tools and test equipment required for certain adjustments refer to Section 5 ...

Страница 100: ...or turn the circuit breaker Off Use applicable lock out tag out procedures 5 At the plant controller remove the REG fuse associated with the rectifier 6 At the rectifier loosen the locking screws and open the door 7 Locate the CM4 interface board Caution The REG fuse associated with the rectifier in the plant controller must be removed before cable connector J5A is disconnected or damage to rectif...

Страница 101: ...and E14 on CM2 Check for 12 Vdc between E1 and E14 and 12 Vdc between E3 and E14 If not present replace the CM2 2 CM7 transformer board is defective 2 Check wiring associated with coil of K1 and contacts 4 8 of K3 on CM7 If bad replace CM7 3 Board improperly installed or defective ribbon cable 3 Check board interlocks connections to boards and ribbon cables 4 CM3 meter board is defective 4 Replace...

Страница 102: ...ckwise 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 down at the BUHVSD setting replace CM2 4 If the rectifier did shut down within the limits specified rotate the potentiometer one full turn counterclockwise Turn the rectifier...

Страница 103: ... fuses 2 JT2 cable between CM2 and triacs is defective 2 Check JT2 cable 3 CM5 or CM6 is defective 3 Replace CM5 and or CM6 11 Control panel digital meter does not light when rectifier is 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...

Страница 104: ...r 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 or open power fuse fuse alarm switch pop up indicator in up position Power switch On or Auto Power LED off meter off or ...

Страница 105: ...g 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 1 S2 2 on CM4 permits the meter to be On or Off with the recti...

Страница 106: ...B 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...

Страница 107: ...lied between TR TRR Short 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 Rectifier turns on Rectifier shuts down after ...

Страница 108: ... Open AC has failed ACF ACFR 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 co...

Страница 109: ...o TRR 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 Technologies 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 ...

Страница 110: ...uses F1 F2 F3 F4 F5 F6 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 rectifier output voltage Rect V and plant float voltage Plt V The rectifier voltage is nor...

Страница 111: ...lace if defective Verify that the controller s high voltage shutdown circuit is operating properly See your controller manual Clear Fuse Alarm FA 1 If the circuit breaker CB1 is tripped restore the rectifier to service and check power output fuse F7 2 If CB1 did not trip check alarm fuses F1 F2 and F3 on CM1 These fuses are accessible by opening the door of the rectifier CM1 is near the output fil...

Страница 112: ...tage drop across the shunt indicates 10A of output current 7 Convert the DMM voltage reading to amperes For example if the DMM reads 20mV then 20mV X 10A mV 200A of output current 8 Compare the amperes calculated in Step 7 with the digital display of the rectifier meter while the switch is in the AMPS position 9 Compare the amperes calculated in Step 7 with the rectifier digital display while the ...

Страница 113: ...ucent Technologies Lineage 2000 400A 60Hz Ferroresonant Rectifier J85503C 3 Issue 10 July 2000 Troubleshooting and Adjustments 7 15 Figure 7 1 Adjustment Potentiometer on CM3 Digital Meter Potentiometer ...

Страница 114: ...il the rectifier delivers 400 404A Warning The rectifier is designed to provide 400 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 l...

Страница 115: ...er 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 obtain 58 0 5 volts Read voltage on control panel meter by holding meter switch in the Rect V position The rectifier should shut down 10 Set ISHVSD to desired level 11 Remove ac power to the rectifier at the ac service panel and ...

Страница 116: ...roximately battery voltage typically 52 volts c Turn the circuit breaker CB1 on d Turn the Power switch Off 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 Turn the rectifier Power switch On 8 Close the rectifier front door and secure the locking screws 9 Adjust the rectifier...

Страница 117: ...cement Procedures 8 1 8 Spare Parts and Replacement Procedures Introduction This section provides information on spare parts for the J85503C 3 rectifier including circuit modules fuses and handling precautions This section further provides complete disassembly and removal procedures to facilitate replacing components ...

Страница 118: ...e Description K1 L1 CM7 List 1 425C 107134454 Transformer Board K2 L2 CM7 List 2 425D 107134462 Transformer Board K3 L3 CM7 List 3 425F 107134488 Transformer Board K4 L4 CM7 List 4 425E 107134470 Transformer Board K1 K4 L1 L4 CM1 329A 106295280 Fuse Board CM2 208F1 107199184 Control Board CM3 323D 106938137 Digital Meter Board CM4 330C 107199192 Interface Board CM5 and CM6 ED83156 30 G 3 601326408...

Страница 119: ... the components conductors or connector pins Do not rub or wipe circuit packs to clean them unless you and the circuit pack are at the same ground potential 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 a static safe work position with wrist straps...

Страница 120: ...t Number Rating Vendor Comcode F1 F2 F3 F4 F5 F6 FLM 30 30 amperes LittlefuseTM 406392290 F1 F2 F3 alarm fuses on CM1 Note 1 WP90247 L 3 1 2 ampere SAN OTM 405673161 F1 on CM2 WP90247 L 1 18 ampere SAN OTM 405373002 F7 A136004TA 600A Gould Shawmut 407878701 SW1 AOS Q Gould Shawmut 407253053 Note 1 The rectifier comes equipped with 3 spare alarm fuses Note 2 The output fuse alarm switch SW1 is reus...

Страница 121: ... Triacs Q1 Q2 406912816 BTA40 800B SGS Thomson Microelectronics K1 Contactor 208 240 407088020 ACC730 8040C K1 Contactor 416 480 407743228 Furnas C1 C6 AC capacitors 406918268 H62R6630E92AC AerovoxTM C7 C12 DC capacitors 406962753 KS20133 L 144 F1 F6 Cap fuse 406392290 FLM 30 Littelfuse T1 Transformer 208 240 106293483 3433A T1 Transformer 480 106293509 3433C T1 Transformer 416 107140246 3433G T2 ...

Страница 122: ...ff down 3 At the ac service panel supplying power to the rectifier remove the input fuses assigned to the rectifier or turn the circuit breaker Off 4 At the plant controller remove the REG fuse associated with the rectifier 5 At the rectifier loosen the locking screws and open the door 6 Measure the voltage on each of the C7 through C12 capacitors Discharge to below 20 volts before proceeding 7 Di...

Страница 123: ...ant controller remove the fuse REG fuse associated with the rectifier 5 At the rectifier loosen the locking screws and open the door 6 Disconnect control cable connector J5A from the CM4 board 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...

Страница 124: ...sociated with the rectifier 5 At the rectifier loosen the locking screws and open the door 6 Disconnect control cable connector J5A from the CM4 board by unlatching first then pulling the connector 7 Disconnect the connecting cables from CM3 8 Remove CM3 from the two support standoffs by using a small flat bladed screwdriver to push in the latches on each standoff Remove the one screw holding CM3 ...

Страница 125: ...he rectifier loosen the locking screws and open the door 6 Disconnect control cable connector J5A from the CM4 board by unlatching first then pulling the connector 7 Disconnect the connecting cables from CM4 8 Remove CM4 from the support standoffs by using a small flat bladed screwdriver to push in the latches on each standoff 9 Position the new CM4 board over the standoffs Verify that each latch ...

Страница 126: ...ntroller remove the fuse REG fuse associated with the rectifier 5 At the rectifier loosen the locking screws and open the door 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 R...

Страница 127: ...ctifier to service per Section 7 Remove plastic shields where necessary to access components in the J85503C 3 rectifier Refer to Figures 2 2 2 4 and 8 1 for component locations Take proper precautions against accidental personal injury or damage to equipment Observe warnings given in Section 3 in addition to admonishments in this section before undertaking any disassembly or reinstallation procedu...

Страница 128: ...es For example you may prefer to remove a part not called for in order to make more room for access to a component being replaced Torquing Requirements Tables 8 D and 8 E provide the reassembly torquing requirements for the electrical and mechanical connections in the rectifier Torque values are given in inch pounds or foot pounds and Newton meters Use these values unless otherwise directed in the...

Страница 129: ...3 27 3 33 4 1 4 20 50 5 5 50 5 5 65 8 65 8 65 8 80 9 5 16 18 100 11 135 15 135 15 165 19 3 8 16 108 20 240 27 240 27 290 33 7 16 14 280 32 385 44 385 44 465 55 1 2 13 500 56 585 66 585 66 710 80 5 8 11 71 96 97 131 97 131 118 160 3 4 10 125 170 172 233 172 233 209 283 Table 8 E Torque and Minimum Yield Strength Values for Mechanical Connections Using Hex Head Cap Screws Cap Screw Diameter Inch Min...

Страница 130: ... 2000 Figure 8 1 Component Locations DC Capacitors are Behind Bus Bars DC Inductor L4 is Behind V Output Bus Bar DC Inductor L3 is Behind CB1 Circuit Breaker AC Inductors L1 and L2 Thyristors Q1 and Q2 Diode Heat Sink Assemblies Main Transformers T1 and T2 AC Capacitors on Each Side of Unit F7 SW1 Output Fuse and Alarm Switch 600 Amp ...

Страница 131: ...Torque the mounting nuts to 10 in lb Reconnect the wires to the new thyristor Diode Heat Sink Assemblies 1 Remove the nuts securing the pigtail of the diode to be replaced from the power transformer 2 Use a meter with a diode test function or measure the forward and backward resistances of the diode to determine if the diode is good A good diode should measure at least 50 ohms in both directions a...

Страница 132: ...ars The bus bars are mounted directly to the capacitors by the capacitor terminal screws In order to remove a capacitor from either column remove fuse board CM1 the capacitor terminal screws mounting screws and the screw supporting the fuse assembly Note that this completely frees the capacitor bus bar in question 2 Remove the capacitor from its clamp by pulling toward you on the capacitor 3 Repla...

Страница 133: ... the switch to its side i e toward the end of the fuse body The switch will snap off its mount on the fuse body 8 If F7 has opened indicator pin protrudes through the mounting block replace it with a new fuse 9 Replace SW1 on F7 by hooking the legs at one end of the switch under the top of the mounting base on the fuse then snapping the switch into place 10 Bolt F7 SW1 assembly onto the bus bar so...

Страница 134: ...uctor 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 to the mounting plate 3 Loosen the clamp on the capacitor and remove 4 Reinstall the capacitor in the reverse order MainTransf...

Страница 135: ...ifier CM4 interface board at connector P5A The cable assembly must be removed from the cable tie anchors to permit its withdrawal through the conductor opening in the cabinet The cable tie anchors while providing a secure physical support of the cable assembly protect the cable assembly from undesirable abrasion and bending Note When a Lucent Technologies controller is not used disconnect the remo...

Страница 136: ... conduit to the side and if necessary tie the conduit to an adjacent structure to prevent interference with the rectifier removal 10 Withdraw all disconnected conductors from the rectifier cabinet and place them aside so as not to interfere with the rectifier removal or cause a personnel hazard 11 If provided remove the straps fastening adjacent cabinets together on the top surface 12 Remove the a...

Страница 137: ... 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...

Страница 138: ...Manufactured Product other than Cable and Wire Products which has been installed by Seller and Seller ascertains that the Product is not readily returnable for repair Seller will repair the Product at Customer s site With respect to Cable and Wire Products manufactured by Seller which Seller elects to repair but which are not readily returnable for repair whether or not installed by Seller Seller ...

Страница 139: ...ng 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 addition Seller makes no warranty with respect to Products which have had...

Страница 140: ......

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