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Electrical Test Instruments PI-2500-G2 and PI-5000-G2
Section V - Service Information and Documentation
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Page V-3

OVERALL SCHEMATIC (PI-2500)

Содержание PI-2500-G2

Страница 1: ...ECTION CIRCUIT BREAKER TEST SET INSTRUCTION MANUAL Models PI 2500 G2 and PI 5000 G2 Electrical Test Instruments LLC 8430 Spires Way Suite A F Fredrick MD 21701 www ETIPrecision com 410 857 1880 Fax 41...

Страница 2: ...II 5 PI 2500 G2 Control Panel Circuitry II 5 Indicator Control Panel II 7 Figure II 2 Retrofit Indicator Panel II 7 SECTION III MAC 21 Monitor and Controller MAC 21 Specifications III 1 MAC 21 Unit C...

Страница 3: ...ntenance and Calibration of PI 4000B V 1 Maintenance and Calibration of MAC 21 V 1 Parts List PI 2500 G2 V 2 Parts List AUXI 5000 G2 V 4 Parts List Indicator Control Panel V 5 Parts List MAC 21 V 6 Ov...

Страница 4: ...THIS ENTIRE MANUAL AND THOROUGHLY FAMILIARIZE YOURSELF WITH THE UNIT OPERATION PRIOR TO CONNECTING THE UNIT TO A SOURCE OF POWER HIGH CURRENT TEST SETS ARE NORMALLY POWERED FROM HIGH CAPACITY 208 VOL...

Страница 5: ...to internal components The sides are clear of protruding compo nents and a full width handle facilitates moving the unit Locking swivel castors on one end provide ease of mobility and allow the test...

Страница 6: ...2500 Output taps 4 9 are only operational when the AUX 5000 section is con nected to the PI 2500 section The indicator control panel features two temperature indicators one for the output bus temperat...

Страница 7: ...rovides airflow to the transformer and output bus The cabinet is designed with no protruding components on the sides so it can be navigated through narrow doorways without problems The reduced length...

Страница 8: ...ces the chance of operator error An integral auto ranging timer with LED readout provides four digits in sec onds or cycles mode with a resolution of 0 001 second or 0 5 cycle A preset function allows...

Страница 9: ...inutes 64 128 6000 A 3000 A 3x 10 1 5 Minutes 15 Minutes 96 192 8000 A 4000 A 4x 6 45 Seconds 15 Minutes 128 256 10000 A 5000 A 5x 4 4 Seconds 2 Minutes 160 320 14000 A 7000 A 7x 2 1 Second 2 Minutes...

Страница 10: ...ds 15 Minutes 384 768 20000 A 10000 A 5x 4 4 Seconds 2 Minutes 480 960 28000 A 14000 A 7x 2 1 Second 2 Minutes 672 40000 A 20000 A 10x 1 0 2 Second 2 Minutes 960 Available with 480 VAC input only Max...

Страница 11: ...Electrical Test Instruments PI 2500 G2 and PI 5000 G2 Section II Detailed Description Copyright C 1994 2021 Electrical Test Instruments LLC All Rights Reserved SECTION II DETAILED DESCRIPTION...

Страница 12: ...ansformer connected to a section of the out put transformer 3 An output transformer with one or more isolated low voltage high current secondary 4 Power control circuitry consisting of switches relays...

Страница 13: ...ck and in put selector error indication The voltage sensor PCB rapidly flashes the Input Select Error LED on the control panel for 5 seconds during startup and then turns off if input voltage is withi...

Страница 14: ...r may be adjusted manually by means of a hand wheel or by activating the motor drive Increasing output is clockwise for all taps When the SCR board is energized 12 VDC is applied to the control panel...

Страница 15: ...rimary protection is provided by 200 amp fuses F1 and F2 Main power is supplied to the output section by power contactors K1 and K2 which are energized main power in the PI2500 is turned on The contro...

Страница 16: ...and the external control relay energizes K4 also provides 12 VDC power to the PC board which has cir cuitry for Vernier position display and adjustment tap selection and display and temperature readi...

Страница 17: ...ntrol power to the test set and its green lamp lights when ON Control Power OFF switch This red switch turns off the 120 VAC control power to the test set Main Power READY switch This green switch tur...

Страница 18: ...switch selects the coarse tap The unit powers up in tap 1 Pressing the switch briefly UP or DOWN will raise or lower the tap by one Holding it will change taps about one per second Coarse Tap Indicato...

Страница 19: ...opyright C 1994 2021 Electrical Test Instruments LLC All Rights Reserved MEMORY AMMETER CONTROLLER MAC 21 INSTRUCTION MANUAL Firmware Version 3 06 and above Electrical Test Instruments LLC 1301 Avonda...

Страница 20: ...0 5 000 25 000 100 000 Amperes CURRENT ACCURACY 0 5 Reading 0 5 Range 1 Digit Continuous 1 0 Reading 1 0 Range 1 Digit Pulse 0 01 sec TIMER RANGES 0 9 999 0 99 99 0 999 9 0 9999 Seconds 0 999 9 0 9999...

Страница 21: ...S value displayed in CONTINUOUS mode This is useful for pickup tests It may not be accurate for times less than 1 second INITIATE key This key is used to turn ON the output of the test set The LED in...

Страница 22: ...osts indicates that the protective device under test is in its normal non tripped mode and ready to accept current This mode may be used for testing multi pole breakers by connecting the CONTACTS bind...

Страница 23: ...t In MEMORY mode LED on the cur rent display will read the continuous output current until the test is complete At this time the LED will flash and the display will read the computed true RMS value of...

Страница 24: ...1 stop bit no parity no flow control This information is sent at the end of each test or by pressing the Stop and Reset keys Report Generator Software Option we also offer a software package for a Win...

Страница 25: ...eres to an accuracy of at least 0 25 This may consist of a shunt or current transformer in conjunction with a digital multimeter or laboratory grade AC ammeter 2 Set up the breaker test set for normal...

Страница 26: ...ORY mode and press the RESET Switch 13 Initiate a fast momentary pulse of no more than 6 cycles 0 1 Sec duration The meter should read the same value within 1 of reading 1 of range that was set in ste...

Страница 27: ...umber 1 1 MAC 21 Contact LED Harness S B369 2 1 MAC 21 Rear Panel Harness S B368 3 1 MAC 21 Metal Cage M D464 4 1 MAC 21 Main PCB M C492 5 1 MAC 21 Membrane Switch Panel M D462 6 6 LOCKWASHER INT TOOT...

Страница 30: ...Electrical Test Instruments PI 2500 G2 and PI 5000 G2 Section IV Operating Instructions Copyright C 1994 2021 Electrical Test Instruments LLC All Rights Reserved SECTION IV OPERATING INSTRUCTIONS...

Страница 31: ...plugs and cables h Input ground lead i Auxiliary ground lead j Contact lead set If applicable k Remote initiate cable optional 2 For 1000 amp output mode a Attach series bars from output terminals 2 t...

Страница 32: ...ld be available and in good condition a PI 2500 Main Unit b AUX 5000 Auxiliary Unit c Allen wrench hex to match socket head bolts d Pneumatic or electric power ratchet e Stab set or cables to match br...

Страница 33: ...turers curve data c Test log and or report forms See examples at end of section d Basic hand tools wrench screwdriver etc e Safety equipment safety glasses gloves etc f Reliable and sufficient power s...

Страница 34: ...er under test to appropriate output tap using stabs or ca bles and series bar as required 14 Make sure that breaker is CLOSED 15 Follow Step by Step procedures below as required for testing 16 When te...

Страница 35: ...breaker while the test set is powered up 4 Always choose an ammeter range that allows the test current to be read in the area from 20 to 80 of the maximum This provides greatest accuracy of readings l...

Страница 36: ...tedly jog the INITIATE button while adjusting the OUTPUT CONTROL higher until the desired test current is read on the ammeter If insufficient current is obtained at maximum position of the Vernier set...

Страница 37: ...is value may be set higher or lower depending on trip characteristics of breaker 7 Press PRESET again to return to normal mode 8 Select MEMORY mode 9 Repeatedly jog the INITIATE button while adjusting...

Страница 38: ...outlined above 2 Adjust controls to obtain current above pickup at approximate desired multiple of rating 3 Close breaker under test 4 Press the INITIATE button Breaker should trip instantaneously 5 R...

Страница 39: ...return to normal mode 9 Select MEMORY mode 10 Repeatedly jog the INITIATE button while adjusting the OUTPUT CONTROL higher until the desired test current is read on the ammeter If insufficient current...

Страница 40: ...ter than desired test cur rent 5 Set TIMEBASE to CYCLES 6 Press PRESET key Adjust preset time to 5 0 cycles This value may be set higher or lower depending on trip characteristics of breaker 7 Press P...

Страница 41: ...to obtain current above pickup at approximate desired multiple of rating 3 Close breaker under test 4 Press the INITIATE button Breaker should trip instantaneously 5 Read and record timer and ammeter...

Страница 42: ...kers include timing test on L T D timing test on S T D and instantaneous pick up It is rec ommended that the magnitude of test current for the L T D timing test be 3 times coil rating or transformer t...

Страница 43: ...nt is read on the ammeter If insufficient current is obtained at maximum position of the Vernier set the OUTPUT TAP control to the next higher tap return the Vernier to zero and continue 11 Press RESE...

Страница 44: ...button while adjusting the OUTPUT CONTROL higher until the desired test current is read on the ammeter If insufficient current is obtained at maximum position of the Vernier set the OUTPUT TAP contro...

Страница 45: ...t 5 Set TIMEBASE to CYCLES 6 Press PRESET key Adjust preset time to 5 0 cycles This value may be set higher or lower depending on trip characteristics of breaker 7 Press PRESET again to return to norm...

Страница 46: ...to obtain current above pickup at approximate desired multiple of rating 3 Close breaker under test 4 Press the INITIATE button Breaker should trip instantaneously 5 Read and record timer and ammeter...

Страница 47: ...nufacturer s literature to determine any necessary precautions and the expected timing test results The test current should be 3 to 4 times the rating of the relay operating coil or heater 2 Follow st...

Страница 48: ...top 16 Read and record the test value of current and the time of the test Com pare the results to the manufacturer s specifications If possible adjust the relay Usually if the relay time of operation...

Страница 49: ...current transformer under test are probable 1 Follow steps 1 through 16 in pre test installation and setup as required to set up the breaker test set 2 Connect the current transformer primary termina...

Страница 50: ...est Instruments PI 2500 G2 and PI 5000 G2 Section V Service Information and Documentation Copyright C 1994 2021 Electrical Test Instruments LLC All Rights Reserved SECTION V SERVICE INFORMATION AND DO...

Страница 51: ...nments it is important to inspect and clean interior components Disconnect from all sources of power and remove all access covers Carefully blow out any dust and inspect all connections for tightness...

Страница 52: ...ITEM QTY DESCRIPTION REF DES ETI Number 1 3 Contactor 3PST 90A K4 K6 M E108 PARTS LIST Indicator Control Panel The overall schematic is on the following pages The parts list is provided below Please...

Страница 53: ...rical Test Instruments PI 2500 G2 and PI 5000 G2 Section V Service Information and Documentation Copyright C 1994 2021 Electrical Test Instruments LLC All Rights Reserved Page V 3 OVERALL SCHEMATIC PI...

Страница 54: ...Electrical Test Instruments PI 2500 G2 and PI 5000 G2 Section V Service Information and Documentation Copyright C 1994 2021 Electrical Test Instruments LLC All Rights Reserved Page V 4...

Страница 55: ...Electrical Test Instruments PI 2500 G2 and PI 5000 G2 Section V Service Information and Documentation Copyright C 1994 2021 Electrical Test Instruments LLC All Rights Reserved Page V 5...

Страница 56: ...mited warranty shall not apply to equipment which has been subjected to negligence accident or damage by operation maintenance or storage or to non normal use or service This limited warranty does not...

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