O & M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller Instructional Booklet New Information Description Page 1. Introduction . . . . . . . . . . . . . . . . 2. Hardware Description . . . . . . . . . 3. Operation . . . . . . . . . . . . . . . . . . 4. Programming . . . . . . . . . . . . . . . 5. Troubleshooting and Maintenance . Appendix A: Operational Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instructional Booklet Page 2 Effective: May 2006 O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller Section1: Introduction WARNING CAUTION THE ATC-100 CONTROLLER IS FACTORY PROGRAMMED FOR A SPECIFIC AUTOMATIC TRANSFER SWITCH. DO NOT ATTEMPT TO INTERCHANGE ATC-100 CONTROL DEVICES WITHOUT CONSULTING EATON ELECTRICAL, INC.
Instructional Booklet Effective: May 2006 O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller • Complies with Comité Internationale Spécial des Perturbations Radioelectrotechnique (CISPR) 11, Class B • Complies with Federal Communications Commission (FCC) Part 15, Class B • Meets European Standards Conformance (CE mark) The ATC-100 provides an unmatched degree of programmed flexibility to address the needs of any system.
Instructional Booklet Page 4 Effective: May 2006 5. Generator Monitoring and Protection This feature provides monitoring and protection based on the generator voltage and/or frequency set points. All Feature 5 functions are “failsafe” operations. 5B. Single Phase Undervoltage and Underfrequency Protection Undervoltage: Dropout: 80% of nominal Pickup: 90% of nominal This feature provides a green LED that, when lit, indicates that the load is connected to the utility source. 12D.
Instructional Booklet Effective: May 2006 O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller Section 2: Hardware Description Page 5 and input (see Figure 1). The output function consists of five LED outputs: 1. Unit Status; 2.1 General The purpose of this section is to familiarize the reader with the ATC-100 hardware, its nomenclature, and to list the unit’s specifications. 2. Utility Available; 2.2 Front (Operator) Panel 4.
Instructional Booklet Page 6 Effective: May 2006 2.2.1 The Output Function LED’s Unit Status LED The green Unit Status LED blinks at a rate of once per second while the ATC-100 is operational. This indicates that the ATC-100 has completed a self-diagnostic cycle. The self-diagnostic cycle checks include the: • Microprocessor operation and • Memory operation. Utility Available LED The white Utility Available LED illuminates if the utility power source meets the criteria to be considered “available”.
Instructional Booklet Effective: May 2006 O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller Page 7 Reset Voltage Control Power Utility Utility Generator Generator 120 208 220 230 240 380 415 480 J7 Phases 1φ 3φ Utility Phase C Phase B Phase A Frequency 50 Hz 60 Hz J1 TDNE 2 sec 15 sec Overfreq Generator Phase C Phase B Phase A On Off Generator Test Off No Load Load J2 7 day 14 day 28 day J4 4 J5 5 6 7 8 Control Inputs Control Outputs 1 Gen Start - (NO) 3 2
Instructional Booklet Page 8 Effective: May 2006 Utility Closed When this input (J4, Pin 2) is in the “Connected” state, it indicates to the ATC-100 that the utility switching device is closed. When this input is in the “Unconnected” state, it indicates to the ATC-100 that the utility switching device is open. This input is typically wired to the utility device auxiliary contact that is closed when the utility switching device is closed.
Instructional Booklet Effective: May 2006 O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller 2.6 Specification Summary Section 3: Operation Table 1. ATC-100 Specifications. 3.
Instructional Booklet Page 10 Effective: May 2006 3.4.1 Engine Start The Engine Start test is intended to start and run the engine/generator under no-load conditions. The load remains connected to the utility source for this test. The Engine Start test is initiated by pressing and holding the Engine Start pushbutton for a period of five seconds. The test will run for 15 minutes and then terminate.
Instructional Booklet Effective: May 2006 O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller Section 4: Programming 4.1 Introduction The ATC-100 is programmable via the jumpers on the back of the unit (see Figure 5). Figure 5. Jumpers on ATC-100. Table 2 shows the Fixed and Jumper-selectable settings that are available in the ATC-100. Table 2. Fixed and Jumper-Selectable Settings.
Instructional Booklet Page 12 Effective: May 2006 Section 5: Troubleshooting and Maintenance 5.1 Level of Repair This manual is written with the assumption that only ATS troubleshooting will be performed. If the cause of malfunction is traced to an ATC-100, the unit should be replaced with a new unit. The malfunctioning unit should then be returned to Eaton Electrical, Inc. for factory repairs. O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller 5.
Instructional Booklet O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller 5.3 ATC-100 Replacement Follow these procedural steps to replace the ATC-100. Step 1: Turn off the control power at the main disconnect or isolation switch of the control power supply. If the switch is not located within view from the ATC-100, lock it out to guard against other personnel accidentally turning it on. Step 2: Verify that all “foreign” power sources wired to the ATC-100 are de-energized.
Instructional Booklet Page 14 Effective: May 2006 O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller Appendix A: Operational Flowchart Utility is available Close Utility switching device (Momentariily energize K1) Utility is powering the load No Utility becomes unavailable (or System Test, Generator Test) Is Utility available yet? TDES timer times out Yes TDEN timer times out Send "Generator Start" signal (Energize Gen Start relay) Open Generator breaker (Momentarily energize K1
Instructional Booklet O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller Notes: IB01602019E For more information visit: www.eatonelectrical.
Instructional Booklet Page 16 Effective: May 2006 O&M Manual for the Eaton ATC-100 Automatic Transfer Switch Controller This instruction booklet is published solely for information purposes and should not be considered all-inclusive. If further information is required, you should consult an authorized Eaton sales representative.
