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IB01602019E

For more information visit: www.eaton.com

O & M Manual for the Eaton 

ATC-100 Automatic Transfer Switch 

Controller

Instructional Booklet

 

Description

Page

1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2

2. Hardware Description  . . . . . . . . . . . . . . . . . . . . . . . . 

5

3. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

11

4. Programming  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

13

5. Troubleshooting and Maintenance . . . . . . . . . . . . . . . . 

14

Appendix A: Operational Flowchart . . . . . . . . . . . . . . . . . 

16

Summary of Contents for ATC-100

Page 1: ...M Manual for the Eaton ATC 100 Automatic Transfer Switch Controller Instructional Booklet Description Page 1 Introduction 2 2 Hardware Description 5 3 Operation 11 4 Programming 13 5 Troubleshooting...

Page 2: ...the utility power source In Automatic Transfer Switch ATS equipment the switch s intel ligence system initiates the transfer when the utility power falls below or rises above a preset voltage or freq...

Page 3: ...ity is defined as failed when it is outside of its undervoltage set point range for the nominal voltage setting Generator Failed or Fails Generator is defined as failed when it is outside of its under...

Page 4: ...wer Source Annunciation This feature provides LED s to indicate switch position and power source availability indications Switch Position Provides LED s to indicate the transfer switch position 12C Ut...

Page 5: ...er will determine if In phase transition is performed In phase transition is attempted for 10 minutes on a 3 phase sys tem If unsuccessful an open transition is performed Time Delay Neutral TDN featur...

Page 6: ...ooklet Page 6 Effective March 2010 O M Manual for the Eaton ATC 100 Automatic Transfer Switch Controller Figure 1 The ATC 100 Front Panel UTILITY CONNECTED UNIT STATUS GENERATOR CONNECTED SET GENERATO...

Page 7: ...is running the test will terminate Set Generator Test Pushbutton The Set Generator Test pushbutton allows the user to test the generator automatically on a periodic every 7 14 or 28 days basis Pressin...

Page 8: ...se B Phase A Generator Phase C Phase B Phase A Generator Utility Utility Generator Control Power Generator K1 Com K1 NO DC_Output Generator Closed K2 Com K2 NO Earth Ground Gen Start Com Gen Start NO...

Page 9: ...Generator Phase C Phase B Phase A Generator Utility Utility Generator Control Power Generator K1 Com K1 NO DC_Output Generator Closed K2 Com K2 NO Earth Ground Gen Start Com Gen Start NO Control Inpu...

Page 10: ...e it indi cates to the ATC 100 that the generator switching device is closed When this input is in the Unconnected state it indicates to the ATC 100 that the generator switching device is open This in...

Page 11: ...gize which closes its Normally Open contacts and opens its Normally Closed contacts When the generator source meets the requirements to be consid ered available the Time Delay Normal to Emergency TDNE...

Page 12: ...n 90 seconds of the ATC 100 providing the generator start command 3 If during the TDNE countdown the generator source goes unavailable more than three times TDNE will restart each time 4 If the genera...

Page 13: ...volts As ordered Jumper selectable Three phase or single phase 1 or 3 As ordered Jumper selectable Utility Undervoltage Dropout 80 of Nominal Voltage 80 of Nominal Voltage Fixed setting Generator Und...

Page 14: ...n when it was commanded to open within 6 seconds Generator switching device did not close when it was commanded to close within 6 seconds Generator closed contacts did not open when Generator switchin...

Page 15: ...the plug type connec tors Step 5 Remove the four 4 mounting screws located on the four corners that hold the unit and trim plate against the door or panel These are accessed from the front of the unit...

Page 16: ...System Test Generator Test TDES timer times out Send generator start signal Energize Gen Start relay TDNE timer times out Open Utility breaker Momentarily energize K2 Y Generator is powering the load...

Page 17: ...times out Send Engine Start signal Energize Gen Start relay Is Generator Available TDNE timer times out Sync timer times out Open Utility Switching Device and Close Generator Switching Device Momentar...

Page 18: ...No Yes Sync timer times out Open Generator Switching Device Momentarily energize K1 Sources synchronized before Sync timer times out No Yes and Close Utility Switching Device Utility is powering the l...

Page 19: ...IB01602019E For more information visit www eaton com Instructional Booklet Effective March 2010 Page 19 O M Manual for the Eaton ATC 100 Automatic Transfer Switch Controller Notes...

Page 20: ...RE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Eaton be responsible to the purchaser or user in contract in tort including negligence strict liabi...

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