Cutler-Hammer Digitrip OPTIM 1050 Instruction For Operation And Maintenance Download Page 46 | Manualshive

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I.B. 29C891B

Page 39

Effective 11/98

GROUND FAULT TEST RECORD FORM

Ground Fault Test Record should be Retained by Those in Charge of the Building’s Electrical
Installation in order to be available to the Authority having Jurisdiction.

TEST DATE

CIRCUIT BREAKER

RESULTS

NUMBER

Figure 3-21 Typical Performance Test Record Form

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Summary of Contents for Digitrip OPTIM 1050

Page 1: ...tructions for Operation and Maintenance of Digitrip OPTIM Trip Units P R O T E C T I O N A N D C O O R D I N A T I O N C O M M U N I C A T I O N S S Y S T E M S E N E R G Y M O N I T O R I N G DSII DS...

Page 2: ...LAR PURPOSE OF MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CON TAINED HEREIN In no event will Cut...

Page 3: ...2 2 6 OPTIM Trip Unit Rating Plug 14 2 7 External OPTIM Trip Unit Accessories 15 2 8 Specification and Protective Range Summaries 15 SECTION 3 OPERATION AND FUNCTIONALITY 3 1 General 20 3 2 Protection...

Page 4: ...ication 40 4 3 2 Initial Power Application 41 4 4 Testing 41 SECTION 5 TROUBLESHOOTING AND MAINTENANCE 5 1 Level of Repair 43 5 2 Troubleshooting 43 5 3 Trip Unit Replacement 43 5 4 Maintenance and Ca...

Page 5: ...II Type OPTIM Trip Unit Battery Compartment 13 2 12 OPTIMizer Shown Connected to Programming Port of DSII Type Circuit Breaker 14 2 13 Family of OPTIM Trip Unit Ratings Plugs 14 2 14 Power Accessory R...

Page 6: ...Type OPTIM Trip Units 55 5 6 Rating Plug Shown Being Removed R Frame SPB and DSII DSLII Type OPTIM Trip Units 55 LIST OF TABLES Figure Title Page 2 1 Rating Plugs Applicable to All OPTIM Trip Units 1...

Page 7: ......

Page 8: ...fered by the most advanced programmable trip unit system Digitrip OPTIM Refer to Appendix A for all instruction material references Please read and understand this manual and all other relevant manual...

Page 9: ...ng Digitrip OPTIM Trip Units cover a range of rated currents from 70 amperes to 5000 amperes The Digitrip OPTIM Trip Unit provides true rms sensing and utilizes a non adjustable interchangeable rating...

Page 10: ...the Breaker Interface Module and IMPACC software also become integral parts of the overall Digitrip OPTIM Trip Unit System Together the OPTIM Trip Units the required OPTIMizer Hand Held Programmer the...

Page 11: ...lized to provide on gear or remote monitoring and even testing of compatible devices Figure 1 7 Up to 50 OPTIM Trip Units Digitrip RMS 810 910 Trip Units or IQ Energy Sentinels can communicate with on...

Page 12: ...ng Long delay time with selectable I2 t or I4 t slopes Short delay setting Short delay time with selectable flat or I2 t slopes Instantaneous setting Ground fault setting Ground fault time with select...

Page 13: ...ns to Master Computer Shielded Twisted Pair OPTIMizer OPTIMizer OPTIMizer OPTIMizer Series C K Frame MCCB with OPTIM OPTIMizer NOTES OPTIMizer Hand Held Programmer compatible only with OPTIM Trip Unit...

Page 14: ...d Programmer require an auxil iary power module to supply the necessary power Trip units continue to provide protection during test opera tions Data Access All programming information display and gene...

Page 15: ...1 The trip units are completely self contained and when the circuit breaker is closed no external power is required to operate their protective systems They operate from cur rent signal levels and co...

Page 16: ...The side wiring brackets shown in Figures 2 2 and 2 3 are only necessary for Models 750 and 1050 on K L and N Frame circuit breakers Model 550 does not need the bracket on the same frames 2 4 1 K L A...

Page 17: ...D indicator if the battery is in good working condition Refer to paragraph 5 4 1 for battery replacement infor mation Trip Indicator Reset Pushbutton A trip reset pushbutton is provided to turn off a...

Page 18: ...it Status LED blinks with a one second on off duty cycle when power is applied to the trip unit and it is functioning properly INCOM Transmit LED The red transmit LED flashes red when the trip unit is...

Page 19: ...8 OPTIM Trip Unit Mounted in SPB Circuit Breaker vated The LEDs are presented in the form of a mimic time current curve on the front of the OPTIM Trip Unit Notice Trip unit indicators should be power...

Page 20: ...into the port and permits direct pro gramming of the trip unit Figure 2 12 The port will accept either end of the custom phone cord Notice When the OPTIMizer is plugged into a trip unit it prevents a...

Page 21: ...interchangeable rating plugs Figure 2 13 Rating plugs are designed for use with one specific circuit breaker type The circuit breaker type is indicated on the rating plug Rating plugs are suitable fo...

Page 22: ...ircuit Breakers OPTIM 750 Trip Unit OPTIM 1050 Trip Unit Requires Requires REMOTELY MOUNTED 24 VDC POWER SUPPLY REMOTELY MOUNTED 24 VDC POWER SUPPLY and POTENTIAL TRANSFORMER MODULE PTM Circuit Breake...

Page 23: ...29C891B Page 16 Effective 11 98 Figure 2 15 Externally Mounted Potential Transformer Module necessary for K L and N Frame only Figure 2 16 Ground Fault Alarm Indicator necessary for K L and N Frame o...

Page 24: ...1000 250 200 90 70 500 1200 300 200 300 100 90 550 1600 400 250 110 100 600 1000 2000 400 800 300 125 110 700 1200 600 200 400 125 250 125 800 1600 800 250 150 250 600 1200 2000 600 1200 300 175 125...

Page 25: ...75 x 3 94 x 3 00 Potential Transformer Module PTM Catalog DOPTMLN Style 7801C54G01 Input voltage terminals LA LB and LC Rated input voltage 0 to 600 volts line to line Input volt amps 1 VA per phase O...

Page 26: ...rent Sensor Power and Peak K L N 4 of Frame Current Rating x 600V x 3 1 sec sampling window Demand R SPB 4 of Frame Current Rating x 600V x 3 Current 5 to 175 of frame DSII DSLII 4 of Current Sensor R...

Page 27: ...nse of the trip unit is graphically represented by time current characteristic curves These curves show how and when a particular trip unit will act for given values of time and current The more versa...

Page 28: ...res The Long Delay Setting Ir is programmable from 0 4 1 0 times the rating plug value In for the L Frame For this example the Long Delay Setting Ir is pro grammed to 0 5 In 0 5 200 100 amperes the re...

Page 29: ...1 steps 1600 2000A 2 0 6 0 x In 0 1 steps 2500A Discriminator Yes Yes Override Fixed Instantaneous Yes Yes GROUND FAULT PROTECTION Ground Fault Alarm not to exceed 1200A 0 2 1 0 x Is 0 01 steps 0 24...

Page 30: ...eps 2 0 10 0 x In 0 1 steps 2 0 10 0 x In 0 1 steps 2 0 10 0 x In 0 1 steps 1600 2000A 400 3000A 2 0 6 0 x In 0 1 steps 2 0 6 0 x In 0 1 steps 2500A 4000 5000A Discriminator Yes Yes Yes Yes Override F...

Page 31: ...0 10 0 x In 0 1 steps 2 0 10 0 x In 0 1 steps 2 0 10 0 x In 0 1 steps 1600 2000A 400 3000A 2 0 6 0 x In 0 1 steps 2 0 6 0 x In 0 1 steps 2500A 4000 5000A Discriminator Yes Yes Yes Yes Override Fixed I...

Page 32: ...vides for a local or remote alarm of the condition It does not trip the cir cuit breaker due to a ground fault condition The alarm feature can be turned OFF if desired LSIG Configuration The LSIG conf...

Page 33: ...A Long Delay Time I2t 2B Long Delay Time I4t SHORT CIRCUIT 3 Short Delay Pickup 4A Short Delay Time Flat Response 4B Short Delay Time I2t Response 5 Instantaneous GROUND FAULT 6 Ground Fault Pickup 7A...

Page 34: ...Delay Time Setting represented by dotted lines Figure 3 7 Typical Long Delay Time Adjustment I2t Response TIME CURRENT Note Long Delay Setting represented by dotted lines Figure 3 6 Typical Long Delay...

Page 35: ...ro tection Either both one or the other short or instanta neous must always be provided Tables 3 2 and 3 3 and Figure 3 4 Short delay protection can consist of the following Short delay pickup setting...

Page 36: ...ustment I 2t Response TIME CURRENT Note Short Delay Time Setting represented by dotted lines Figure 3 10 Typical Short Delay Time Adjustment Flat Response curve can be moved vertically and independent...

Page 37: ...us Pickup The instantaneous pickup setting establishes the current level at which the trip unit s instantaneous tripping function will trip the circuit breaker with no intentional time delay It is pro...

Page 38: ...r The override circuit is set to a value no greater than the short time withstand current rating of the circuit breaker in which the override circuitry is installed Since the specific values vary by c...

Page 39: ...me for both ground fault trip LSIG units and ground fault alarm LSIA units These settings are programmable over a range of fac tors by circuit breaker type as follows Series C K L and N Frame Circuit...

Page 40: ...TIM Trip Units are identified in Appendix A Table A 1 Contact Cutler Hammer for a specific curve 3 3 SYSTEM MONITORING Digitrip OPTIM Trip Units provide an electrical distribution system with superior...

Page 41: ...CALLY AT THE I B 29C891B Page 34 Effective 11 98 WARNING metered parameters are monitored and then displayed over the OPTIM information system Local LEDs are used to indicate a number of conditions an...

Page 42: ...y averaged over this interval and the maximum 15 minute average is displayed as peak demand When the trip unit is first energized there is a delay of 15 min utes before the first non zero value is dis...

Page 43: ...uter only Remote Master Computer with a Breaker Interface Module Refer to paragraph 1 3 and Figure 1 9 for additional infor mation on sub network and network communications In addition Section 3 of In...

Page 44: ...nnected position while carrying load current However as stated in the CAUTION at the beginning of this section good practice will limit circuit breaker in ser vice Trip tests to maintenance periods du...

Page 45: ...GROUND FAULT TRIP UNITS Code Requirements The National Electrical Code under Article 230 95 C requires that any ground fault protection system be per formance tested when first installed The test sha...

Page 46: ...FORM Ground Fault Test Record should be Retained by Those in Charge of the Building s Electrical Installation in order to be available to the Authority having Jurisdiction TEST DATE CIRCUIT BREAKER RE...

Page 47: ...trip unit pickup SECTION 4 STARTUP AND TESTING 4 1 INTRODUCTION This section addresses those procedures associated with the startup and testing of installed Digitrip OPTIM Trip Units As a minimum the...

Page 48: ...circuit breaker current in at least one phase exceeds 20 of the installed rating plug value or 2 Auxiliary power is supplied to the circuit breaker The red transmit LED will blink whenever the trip u...

Page 49: ...utler Hammer IMPCABLE When interconnecting devices tie shield drain wires together for shield path continuity Connect the shield path to a solid earth ground at one point only On last device in networ...

Page 50: ...uld also be free of excess humidity Store the device in its original packing material K L and N Frame Circuit Breakers with Auxiliary Power Unit Status LED is not Auxiliary power is not present or is...

Page 51: ...Replace breaker Refer to Note 1 at end of Para 5 3 Table 5 1 RECONNECT AUXILIARY POWER BIM will not communicate Breaker address is 32 HEX Check address with OPTIMizer and change as I B 29C892 with tr...

Page 52: ...and remove it N A fault On four wire systems the neutral 1 Check that the neutral sensor and neutral Table A 1 current sensor may not have the sensor connections on side terminal block are Wiring Dia...

Page 53: ...currents 20 of frame rating mately a one second on off duty cycle Trip unit may be the problem Replace breaker Refer to Note 1 at end of Para 5 3 Table 5 1 As soon as current starts Rating plug is no...

Page 54: ...L1 and L2 Table A 1 on the ground fault alarm unit With these con Instructions for nections open approximately 5 volts should ground fault alarm appear between GF AL and COM when the and wiring diagra...

Page 55: ...ocking on ground fault and or See directions for checking zone selective interlocking Appendix B short delay does not work R Frame SPB Pow R and DSII DSLII Circuit Breakers with Auxiliary Power Unit s...

Page 56: ...problem Replace trip unit Para 5 3 RECONNECT VOLTAGE SUPPLY BIM will not communicate Breaker address is 32 HEX Check address with OPTIMizer and change as I B 29C892 with trip unit required Para 3 5 1...

Page 57: ...93 Section 4 Trip unit may be the problem Replace trip unit Para 5 3 Breaker trips too rapidly Powered thermal memory can cause If powered thermal memory is not required I B 29C892 Para 3 6 on long de...

Page 58: ...g plug Replace rating plug Para 5 4 2 Table 2 1 Connection Failure when OPTIMizer not working or cord not Verify OPTIMIzer operation on another breaker I B 29C892 OPTIMizer is plugged in properly plug...

Page 59: ...se breaker to trip too soon turn it off with the OPTIMizer Trip unit settings are not correct Change settings I B 29C892 Section 3 or I B 29C893 Section 4 Trip unit may be the problem Replace trip uni...

Page 60: ...also shown on the inside of the hinged cover Close the rating plug s hinged cover Figure 5 1 Battery Test Pushbutton and LED Shown on Face of OPTIM Trip Unit Figure 5 2 Battery Test Pushbutton and LE...

Page 61: ...lling out on the small mold ed top and bottom lips Step 4 Install a new rating plug by pushing it gently into the rating plug cavity until it is seated Secure the rating plug in position by turning th...

Page 62: ...for service personnel to identify whether a problem being observed is external or internal to the device If a prob lem is determined to be internal the device should be returned to the factory for rep...

Page 63: ...Digitrip OPTIM Trip Unit System OPTIM Trip Unit System Overview IB 29C890 OPTIM Trip Units IB 29C891 OPTIMizer Hand Held Programmer IB 29C892 Breaker Interface Module IB 29C893 Digitrip RMS Trip Unit...

Page 64: ...96 2500A I2t Long Flat Short Delay Phase SC 6340 96 2500A I4t Long Flat Short Delay Phase SC 6341 96 1600A Instantaneous Override Phase SC 6342 96 2000A Instantaneous Override Phase SC 6343 96 2500A I...

Page 65: ...r The desig nations for the breaker terminals to which this voltage is to be applied are NEP LEP Trip Units REP Trip Units RD and SPB DSII side of voltage SOUT D9 Z2 side of voltage COM C1 Z1 Step 4 N...

Page 66: ...act between the purchaser and Cutler Hammer NO WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A PAR TICULAR PURPOSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEAL IN...

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