AC-PRO®With QUICK-TRIP®Instruction Manual www.utilityrelay.com
Manual Rev 1.3
Section: Page
1.0 Introduction............................................................1
2.0 UL/ULC Classification............................................1
3.0 Trip Unit Power......................................................1
3.1 Current Transformer (CT) Power...................1
3.2 Battery Power................................................1
3.3 PT Module Power..........................................2
3.4 Auxiliary Power..............................................2
4.0 External Connections.............................................2
4.1 Breaker Wiring Harness.................................2
4.2 Security Key...................................................2
5.0 AC-PRO®Front View.............................................3
5.1 16 Character Display.....................................4
5.2 Pick-Up LED..................................................4
5.3 Self Test LED.................................................4
5.4 Display Contrast ............................................4
5.5 UP Push Button.............................................4
5.6 DOWN Push Button.......................................4
5.7 SAVE Push Button.........................................4
5.8 REVIEW Push Button....................................4
6.0 QUICK-TRIP®System ...........................................5
6.1 QUICK-TRIP®Basics.....................................5
6.2 QUICK-TRIP®Installation..............................6
6.3 QUICK-TRIP®& Pro-Display Operation.........7
7.0 Commissioning the AC-PRO®................................7
7.1 Powering-Up the Trip Unit .............................7
7.1.1 Internal Battery ....................................7
7.1.2 External Power ....................................7
7.2 Security Key...................................................7
7.3 CT Rating.......................................................8
7.4 Long Time (LT) Pick-Up Setting ....................8
7.5 Long Time (LT) Delay Setting........................8
7.6 Short Time (ST) Pick-Up Setting ...................8
7.7 Short-Time (ST) Delay Setting.......................8
7.8 Short Time (ST) I2T........................................8
7.9 Instantaneous (I) Pick-Up Setting..................9
7.10 Ground Fault (GF) Pick-Up Setting................9
7.11 Ground Fault (GF) Delay Setting...................9
7.12 Ground Fault (GF) I2T....................................9
7.13 Phase Unbalance (U/B) Pick-Up ...................9
7.14 Phase Unbalance (U/B) Delay.......................10
7.15 Address..........................................................10
7.16 Reply Delay ...................................................10
7.17 QUICK-TRIP®Ground Fault (QT GF)............10
7.18 QUICK-TRIP®Instantaneous (QT I) ..............10
7.19 Thermal Memory............................................11
7.20 Exit Procedure ...............................................11
8.0 Changing Settings..................................................12
9.0 Last Trip Data Recall .............................................13
10.0 Normal Operation...................................................14
11.0 Testing...................................................................14
11.1 Commission the Trip Unit ..............................14
11.2 LT Trip Test ...................................................14
11.3 ST Trip Test...................................................15
11.4 I Trip Test.......................................................15
11.5 GF Trip Test...................................................15
11.6 QT GF Trip Test.............................................15
11.7 CT Phasing Test for GF.................................15
11.8 QT I Trip Test.................................................16
11.9 U/B Trip Test..................................................16
11.10 Erase Last Trip Data....................................16
12.0 Secondary Injection Testing..................................17
12.1 AC-PRO®Secondary Injection Test Set........17
12.2 Standard Relay Test Set...............................17
12.3 LT Delay Testing Chart .................................18
13.0 Ratings..................................................................19
14.0 Warranty................................................................19
15.0 Time-Current Curves.............................................19
15.1 LT Trip Time..................................................20
15.2 ST Trip Time..................................................20
15.3 GF Trip Time.................................................21
15.4 U/B Trip Time................................................21
16.0 Error Message Summary ......................................21
16.1 Actuator Not Connected................................21
16.2 Memory Error ................................................21
17.0 Battery Replacement.............................................22
Figure: Page
4.1 AC-PRO®Top View...............................................2
4.2 Push Button “Key”.................................................2
5.1 AC-PRO®Horizontal Front View ...........................3
5.2 AC-PRO®Vertical Left Front View.........................3
6.1 QUICK-TRIP®Connections...................................5
6.2 QUICK-TRIP®Drilling Plan....................................6
6.3 Pro-Display Mounting............................................6
11.1 Phase A & B, CT Phasing Test.............................15
11.2 Phase B & C, CT Phasing Test.............................15
11.3 U/B Test ................................................................16
12.1 AC-PRO®Secondary Injection Test Set................17
17.1 Battery Replacement.............................................22
18.1 Typical Wiring Diagram.........................................23
18.2 Overload TCC .......................................................25
18.3 U/B & GF TCC.......................................................27
18.4 QUICK-TRIP®GF & I TCC....................................29
Firmware Revision: 5.26
