
3PCI SCR Power Controller Series Manual Table of Contents
Version 1.2 (19000325) si
TABLE OF CONTENTS
CHAPTER 1: INTRODUCTION
1.1. Overview..........................................................................................................................................1-1
1.2. Operation.........................................................................................................................................1-2
1.3. Three-phase Overcurrent (OC) Trip Feature ..................................................................................1-2
1.4. Three-phase Current Limit (CL) Feature.........................................................................................1-3
1.5. Options ............................................................................................................................................1-3
1.5.1. Three-phase Current Regulation (CR) Option......................................................................1-3
1.5.2. Current Imbalance Detection (CID) Option ........................................................................1-3
1.5.3. Lug Kit (LK) Option.............................................................................................................1-3
1.5.4. Extended Ramp (ER) and Fast Ramp (FR) Options.............................................................1-3
1.6. Technical Specifications..................................................................................................................1-3
CHAPTER 2: INSTALLATION
2.1. Mounting the 3PCI...........................................................................................................................2-1
2.2. Fan Wiring (Models Rated at 90 A and Higher) ..............................................................................2-1
2.3. Wiring Overtemperature Contacts...................................................................................................2-1
2.4. Input/Output Wiring..........................................................................................................................2-1
2.5. Internal 3PCI Connections...............................................................................................................2-4
CHAPTER 3: OPERATION
3.1. Introduction......................................................................................................................................3-1
3.2. Internal Manual Control of Power Output........................................................................................3-1
3.3. Temperature Controller ...................................................................................................................3-2
3.4. Remote Manual Control (Only) with a Potentiometer.........................................................................3-2
3.5. Auto/Manual Control with a Controller and Remote Potentiometer ....................................................3-3
3.6. On/Off Control..................................................................................................................................3-3
3.6.1. Output Enabled by Contact Closure...................................................................................3-3
3.6.2. Output Disabled by Contact Closure..................................................................................3-4
3.7. Controlling Several 3PCIs in Parallel with One Controller..................................................................3-4
CHAPTER 4: OPTIONS SETUP
4.1. Introduction......................................................................................................................................4-1
4.2. Option CL (3-phase Current Limit)....................................................................................................4-1
4.3. Option CID (Current Imbalance Detector).......................................................................................4-1
4.4. Reset Push-button (User Supplied).................................................................................................4-1
4.5. Adjusting the Overcurrent (OC) Feature .........................................................................................4-1
CHAPTER 5: TROUBLESHOOTING
5.1. Customer Service Program.............................................................................................................5-1
5.2. Troubleshooting Typical Symptoms ................................................................................................5-1
5.3. Static Precautions When Servicing .................................................................................................5-1
5.4. Environmental Problems .................................................................................................................5-4
5.4.1. Inadequate Cooling ...........................................................................................................5-4
5.4.2. Contamination....................................................................................................................5-4
5.4.3. High Ambient Temperature ...............................................................................................5-4
5.4.4. Excessive Vibration ...........................................................................................................5-5
5.5. Input Power and Load Connections ................................................................................................5-5
5.6. Correcting Specific 3PCI Problems.................................................................................................5-5
5.7. Replacement Fuses.........................................................................................................................5-6
5.8. Torque Specifications......................................................................................................................5-6