Instruction Manual
II LiquiFlo 1.5 AC Power Modules, Hardware Reference Version 1.2
Chapter 5
Installing Input Power Wiring
5.1 Installing Transformers and Reactors (Optional) .............................................5-1
5.2 Installing Fuses for Branch Circuit Protection ..................................................5-1
5.3 Installing a Required External/Separate Input Disconnect...............................5-4
5.4 Installing Power Wiring from the AC Input Line to the Drive’s
Power Terminals ..............................................................................................5-4
Chapter 6
Installing Output Power Wiring
6.1 Installing Output Contactors (Optional) ............................................................6-1
6.2 Installing Mechanical Motor Overload Protection (Optional) ............................6-1
6.3 Installing Output Wiring from the Drive Output Terminals to the Motor............6-2
Chapter 7
Wiring the AC Line I/O Board
Terminal Block
7.1 Analog Output ..................................................................................................7-2
7.2 Digital Inputs ....................................................................................................7-3
7.3 Digital Outputs..................................................................................................7-4
7.4 Stopping the Drive............................................................................................7-5
Chapter 8
Completing the Installation
8.1 Checking the Installation ..................................................................................8-1
8.2 Powering Up After Installation Is Complete......................................................8-2
Chapter 9
Troubleshooting the Drive
9.1 Test Equipment Needed To Troubleshoot .......................................................9-1
9.2 Drive Alarms and Faults...................................................................................9-1
9.3 Verifying That DC Bus Capacitors Are Discharged..........................................9-1
9.4 Checking the Power Modules with Input Power Off .........................................9-3
9.5 Replacement Parts...........................................................................................9-5
Appendix A
Technical Specifications........................................................................................... A-1
Appendix B
Cool System Specifications...................................................................................... B-1
Appendix C
B-Frame LiquiFlo Drive Wiring Diagrams................................................................. C-1
Appendix D
C-Frame LiquiFlo Drive Wiring Diagrams ................................................................ D-1
Appendix E
D-Frame LiquiFlo Drive Wiring Diagrams ................................................................ E-1