URC B-292 Instruction Manual
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URC B-292 Instruction Manual

Secondary injection test set for ac-pro & ac-pro-ii trip units
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Summary of Contents for URC B-292

  • Page 2: Table Of Contents

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 Table of Contents 1.0 Introduction .......................... 1 2.0 Overview ..........................1 3.0 Test Set Controls ........................6 3.1 Power ........................6 3.2 Time Display ....................... 6 3.3 Timer Clear Push Button ..................
  • Page 3 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 Figure 1: Test Set Exterior ......................2 Figure 2: Test Set Case Interior ....................3 Figure 3: Test Set Cables ......................4 Figure 4: Control Panel Overview ....................5 Figure 5: AC-PRO Breaker Test Set Connections ................

  • Page 4: Introduction

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 1.0 Introduction 2.0 Overview The Model B-292 Secondary Injection Test Set The basic function of the test set is to deliver an is a single-phase test set specifically designed...
  • Page 5 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 Telescoping Handle Large Handles Rugged Construction for protection during operation, transport, and shipping Copolymer Polypropylene Compound Padlock Provisions Chemical Resistant Durable Latches Replaceable Steel-Axle Wheels Figure 1: Test Set Exterior www.utilityrelay.com...
  • Page 6 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 Interior Panel Abbreviated Instruction Manual Long Time Test Chart Cable Storage Figure 2: Test Set Case Interior www.utilityrelay.com Page 3...
  • Page 7 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 Power Cord AC-PRO Test Set Harness Labeled “For AC-PRO” Note: different connector AC-PRO-II Test Set Harness Labeled “For AC-PRO-II” AC-PRO Test Set Harness for Breaker Test Port Labeled “AC-PRO Test Set to...
  • Page 8 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 Power Cable/Fuse Holder 8 Clear Push Button 14 Amp Coarse Pot Power cable connector with main fuse. Resets the timer to zero. Used to make large adjustments (120Vac 50/60Hz).

  • Page 9: Test Set Controls

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 3.0 Test Set Controls 3.4 Start Push Button and LED A brief description of the operation of the The Start push button starts the test current various test set controls is given below.

  • Page 10: Current Preset Push Button

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 3.7 Current Preset Push Button 3.11 Frequency Selector While the Current Preset push button is pushed, The Frequency selector switch is used to select the test set will display the current setting (from the AC test current frequency.
  • Page 11 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 ® AC-PRO on breaker AC-PRO Test Set Harness Test Set AC-PRO Harness Actuator Connector Test Set Power Plug to AC-PRO Circuit Breaker Wiring Harness Test Set AC-PRO Harness Main...
  • Page 12 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 AC-PRO-II on breaker AC-PRO-II Test Set Harness Test Set AC-PRO-II Harness Actuator Connector Test Set Power Plug to AC-PRO-II (Remove the cover (not pictured) to Circuit Breaker Wiring Harness...

  • Page 13: Operation

    Trip Unit 4.1 Connecting to AC-PRO or AC-PRO-II When testing a special AC-PRO trip unit with The B-292 Test Set includes two Test Harnesses, "ground return" ground fault, or AC-PRO-II one for AC-PRO and one for AC-PRO-II. The with Ground Fault Type set to “Return”, see Test Harness (A) or (F) makes the connections Section 3.13.

  • Page 14: Long Time (Lt) Pick-Up Test

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 Example: If the CT Primary rating is 1600 and the LT Pick-Up is 1600 amps, then 4.5 Long Time (LT) Time Test = 1600 X 0.5 = 0.50 amp...

  • Page 15: Calculate Short Time (St) Pick-Up Secondary Current

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 4.7 Short Time (ST) Pick-Up Test 4.6 Calculate Short Time (ST) Pick-Up Secondary Current To test the ST pick-up: Calculate the ST secondary pick-up current ) as follows:...

  • Page 16: Short Time (St) Test

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 4.9 Calculate Instantaneous (I) Pick-Up 4.8 Short Time (ST) Test Secondary Current To test the ST time delay trip: Calculate Instantaneous secondary pick-up 1) The first step is to select a test current.

  • Page 17: Instantaneous (I) Pick-Up Test

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 4.10 Instantaneous (I) Pick-Up Test 4.11 Calculate Ground Fault (GF) Pick-Up Secondary Current To test Instantaneous pick-up: Calculate the GF secondary pick-up current 1) Hold down the Current Preset (13)

  • Page 18: Ground Fault (Gf) Pick-Up Test

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 4.12 Ground Fault (GF) Pick-Up Test 4.13 Ground Fault (GF) Time Test Verify that the Ground Fault Type (10) selector To test the GF time delay trip: switch is in the correct position for the AC-PRO or AC-PRO-II being tested.

  • Page 19: Calculate Neutral Overload (Nol) Pick-Up Secondary Current

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 4.15 Calculate Neutral Overload (NOL) 4.16 Neutral Overload (NOL) Pick-Up Test Pick-Up Secondary Current (AC-PRO-II only) Calculate the secondary NOL pick-up current To test the NOL pick-up:...

  • Page 20: Neutral Overload (Nol) Time Test

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 4.17 Neutral Overload (NOL) Time Test (AC-PRO-II only) To test the NOL time delay trip: 1) The first step is to select a test current. For example, three times the NOL pick- up (3X on the TCC in Figure 15).
  • Page 21 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 2 Pole Plug into back of QT-Display QUICK-TRIP AC-PRO QT-DISPLAY REMOTE DISPLAY MICRO-CONTROLLER BASED PUSH TO ADJUST PICK-UP DISPLAY CONTRAST SELF TEST OK Plug into Jack...
  • Page 22 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 Red LED is "ON" Quick-Trip Switch Quick-Trip ON Arc Flash Hazard Reduction Switch with Quick-Trip turned ON (only for use with AC-PRO-II trip unit) Push Note: Quick-Trip Switch...

  • Page 23: Quick-Trip Testing

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 ® 1) AC-PRO: Connect the Quick-Trip 5.0 Quick-Trip Testing Display (P) and the Quick-Trip ON/OFF Selector switch (Q) as In order to test the Quick-Trip ®...

  • Page 24: Calculate Quick-Trip Ground Fault (Qt-Gf) Pick-Up Secondary Current

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 5.3 Calculate Quick-Trip Ground Fault 2) Set the Quick-Trip ON/OFF Selector (QT-GF) Pick-Up Secondary Current switch (Q) or (U) to ON. 3) Set the Phase Selector (11) switch to...

  • Page 25: Clearing Last Trip Data

    ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 6.0 Clearing Last Trip Data 7.3 Unexpected GF Trip It is very important to clear the Last Trip Data If a GF trip occurs when the Phase Selector from the trip unit after testing is complete.
  • Page 26 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 This Page Intentionally Left Blank www.utilityrelay.com Page 23...
  • Page 27 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 1000 LT Delay Long Time (LT) Pick-Up 0.5 sec. steps 5A steps 2.0 to 30.0 sec. 20% to 100% of CT Rating @ 600% LT Pick-Up (50A steps for CTs >...
  • Page 28   ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1                        ...
  • Page 29 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 40% 60% 100% 200% 100% 200% 1000 Minimum possible Instantaneous (I) Pick-Up Quick-Trip Instantaneous (QT I) Pick-Up Allowance for 3-Phase power-up time 20% QT GF Pick-Up...
  • Page 30 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 1000 1000 LT Delay Long Time (LT) Pick-Up 0.5 sec. steps 5A steps 2.0 to 30.0 sec. (0.5A steps for CTs < 225A) @ 600% LT Pick-Up CT Secondary Rating 0.5A and above...
  • Page 31 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 100% 200% 1000 20% GF Pick-Up Ground Fault (GF) Pick-Up OFF & 10A steps (1A steps for CTs < 225A) 1200A Max CT Secondary Rating 0.5A and above 20% to 200% of CT Rating CT Secondary Rating below 0.5A...
  • Page 32 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 40% 60% 100% 200% 1000 20% QT GF Pick-Up Quick-Trip Ground Fault Pick-Up (QT GF Pick-Up) OFF & 10A steps (1A steps for CTs < 225A) 1200A max CT Secondary Rating 0.5A and above...
  • Page 33 ® ® AC-PRO & AC-PRO-II B-292 Secondary Injection Test Set Instruction Manual Rev 1.1 100% 200% 500% 1000% 1000 Neutral Overload (NOL) Pick-up 5A steps for CTs > 225A NOL Delay 0.5A steps for CTs < 225A 0.5 sec. steps Neutral CT Secondary Rating 0.5A and above...
  • Page 36 * I - A C 2 - P R O - T S * C h a g r i n F a l l s , O H 4 4 0 2 3 P h o n e : 8 8 8 . 2 8 9 . 2 8 6 4 I - A C 2 - P R O - T S www.

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