KBAC SERIES INSTALLATION AND OPERATION MANUAL
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TABLE OF CONTENTS
Section Page
1 Quick-Start Instructions .................................................................................................................................................................................... 4
1.1 Mounting Instructions .............................................................................................................................................................................. 4
1.2 AC Line Input Fusing .............................................................................................................................................................................. 4
1.3 AC Line Input Connection ....................................................................................................................................................................... 4
1.4 Motor Connection .................................................................................................................................................................................... 4
1.5 Ground Connection ................................................................................................................................................................................. 4
1.6 60 Hz and 50 Hz Motor Operation .......................................................................................................................................................... 4
1.7 Start/Stop Switch .................................................................................................................................................................................... 4
1.8 Jumper Settings ...................................................................................................................................................................................... 4
1.9 Trimpot Adjustments ............................................................................................................................................................................... 4
1.10 Diagnostic LEDs ..................................................................................................................................................................................... 4
2 Safety Warnings ............................................................................................................................................................................................... 5
3 Important Application Information ..................................................................................................................................................................... 5
3.1 Motor with External Fan Cooling ............................................................................................................................................................. 5
3.2 Electronic Motor Overload Protection ..................................................................................................................................................... 5
4 Introduction ....................................................................................................................................................................................................... 6
4.1 Standard Features .................................................................................................................................................................................. 6
4.2 Performance Features ............................................................................................................................................................................ 6
4.3 Protection Features................................................................................................................................................................................. 6
5 Mounting ......................................................................................................................................................................................................... 12
6 AC Line Input Fusing ...................................................................................................................................................................................... 15
7 Electrical Connections .................................................................................................................................................................................... 15
7.1 AC Line Input Connection ..................................................................................................................................................................... 15
7.2 Motor Connection .................................................................................................................................................................................. 16
7.3 Ground Connection ............................................................................................................................................................................... 16
7.4 Remote Main Speed Potentiometer Connection .................................................................................................................................. 16
7.5 Remote Start/Stop Switch Connections ................................................................................................................................................ 17
7.6 Automatic Restart ................................................................................................................................................................................. 17
7.7 Voltage Following Connections............................................................................................................................................................. 17
7.8 Enable Circuit Connection .................................................................................................................................................................... 17
7.9 Run/Fault Relay Connection ................................................................................................................................................................. 18
8 Recommended High Voltage Dielectric Withstand Testing (Hi-Pot Testing) .................................................................................................. 18
9 Reconditioning the Bus Capacitors ................................................................................................................................................................ 18
10 Setting Selectable Jumpers ............................................................................................................................................................................ 19
10.1 AC Line Input Voltage Selection (KBAC-24D, 27D Only) (J1) .............................................................................................................. 19
10.2 Motor Horsepower Selection (J2) ......................................................................................................................................................... 19
10.3 Automatic Ride-Through or Manual Start Selection (J3) ...................................................................................................................... 19
10.4 Motor Frequency Selection (J4 and J5) ................................................................................................................................................ 19
10.4.1 Setting the Drive for 50 Hz or 60 Hz Motor Operation (J4 and J5) .......................................................................................... 19
10.4.2 Setting the Drive for Two Times the Rated Motor RPM (J4 and J5) ........................................................................................ 19
10.5 Boost Mode Selection (J6) .................................................................................................................................................................... 20
10.6 Braking Mode Selection (J7) ................................................................................................................................................................. 20
10.7 Run/Fault Output Relay Operation Selection (J8) ................................................................................................................................ 20
10.8 Stop Contact Type Selection (J9) ......................................................................................................................................................... 20
10.9 Torque Mode Selection (J10) ............................................................................................................................................................... 20
10.10 Jumper J11 (Factory Use Only) ............................................................................................................................................................ 20
10.11 Switching Frequency and GFCI Selection (Third Generation (3G) Drives Only) (J12) ......................................................................... 20
11 Drive Operation .............................................................................................................................................................................................. 20
11.1 Start-Up Procedure ............................................................................................................................................................................... 20
11.2 Restarting the Drive After a Fault Has Cleared .................................................................................................................................... 21
12 Trimpot Adjustments ..........................................................................................................
............................................................................. 21
12.1 Minimum Speed Trimpot (MIN) ............................................................................................................................................................. 21
12.2 Maximum Speed Trimpot (MAX)........................................................................................................................................................... 21
12.3 Acceleration Trimpot (ACCEL).............................................................................................................................................................. 21
12.4 Deceleration Trimpot (DECEL) ............................................................................................................................................................. 21
12.5 DC Injection Brake Trimpot (DECEL) ................................................................................................................................................... 21
12.6 Slip Compensation Trimpot (COMP) .................................................................................................................................................... 22
12.7 Motor Overload (I
2
t) with RMS Current Limit Trimpot (CL) ................................................................................................................... 22
12.8 Boost Trimpot (BOOST) ........................................................................................................................................................................ 22
12.9 Jog Trimpot (JOG) ................................................................................................................................................................................ 22
13 Diagnostic LEDs ............................................................................................................................................................................................. 23
13.1 Power On LED (PWR) .......................................................................................................................................................................... 23
13.3 Status LED (ST) .................................................................................................................................................................................... 23
14 Optional Accessories ...................................................................................................................................................................................... 23
Limited Warranty .................................................................................................................................................................................. Back Cover
Table Page
1 Drive Model No., Part No., and Case Reference Size ...................................................................................................................................... 3
2 Electrical Ratings .............................................................................................................................................................................................. 7
3 General Performance Specifications ................................................................................................................................................................ 7
4 Terminal Block Wire Size and Tightening Torque Specifications ................................................................................................................... 15
5 Drive Operating Condition and Run/Fault Relay Contact Status .................................................................................................................... 18
6 Drive Operating Condition and Status LED Indicator ..................................................................................................................................... 23
7 Optional Accessories ...................................................................................................................................................................................... 23
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