April 27, 2004 O & M Manual for the EATON ATC-300 Automatic Transfer Switch Controller Instruction Booklet New Information Description Page Introduction ......... . . 2 Hardware Description .
1. Main contacts to connect and disconnect the load to and contained herein. In no event will EATON be responsible to from the power sources. the purchaser or user in contract, in tort (including negli- gence), strict liability or otherwise for any special, indirect, 2.
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ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 3 Controller Designed to meet the needs of markets worldwide, the Re-Transfer ATC-300 Controller: Re-transfer is defined as a change of the load connection from the Source 2 to the Source 1. Is a UL Recognized Component ■...
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Test Operators tile memory. Activated feature setpoints are available for Eaton ATSs are provided with a Test Pushbutton that customer adjustment. Any feature not selected and factory simulates a loss of the Source 1 power source as stan- activated cannot be viewed or adjusted.
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ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 5 Controller 12C. Source 1 - Source Connected Source 1 - Monitoring and Protection This feature provides a green LED that, when lit, indi- This feature provides Source 1 monitoring and protec- cates the load is connected to Source 1.
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ATC-300 Automatic Instruction Booklet Transfer Switch Page 6 Effective: April 2004 Controller Pre-Transfer Signal 5K. 3-Phase Overvoltage/Overfrequency This feature provides a signal to a remote device prior Adjustable Overvoltage: to a re-transfer operation. It provides one Form “C” Dropout: 105 - 120% of nominal contact (NO/NC) for interface with other equipment Pickup: (Dropout –2%) - 103% of nominal (typically elevator controls).
ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 7 Controller SECTION 2: HARDWARE DESCRIPTION Source 1 - Monitoring and Protection This feature provides Source 1 monitoring and protec- 2.1 General tion functions. If the Source 1 power supply fails, then the ATC will begin the sequence of operations neces- The purpose of this section is to familiarize the reader with sary to transfer the load circuit to the Source 2 power...
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ATC-300 Automatic Instruction Booklet Transfer Switch Page 8 Effective: April 2004 Controller The LEDs Unit Status The green Unit Status LED blinks at a rate of once per second while in the ATC-300 Controller is in the “Run” Mode. This indicates that the ATC-300 has completed a self-diagnostic and system diagnostic cycle.
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ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 9 Controller 2.3 REAR ACCESS AREA If the LCD Display is displaying the Home screen when the Help/Lamp Test key is pressed, all of the LED’s will momen- The rear access area of the ATC-300 Controller is normally tarily illuminate, then the following information will scroll accessible from the rear of an open panel door (Figure 2).
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ATC-300 Automatic Instruction Booklet Transfer Switch Page 10 Effective: April 2004 Controller 2.4 Specification Summary Table 1. ATC-300 Controller Specifications Input Control Voltage 65 to 145 Vac 50/60 Hz Voltage Measurements of Source 1 VAB Source 2 VAB Source 1 VBC Source 2 VBC Source 1 VCA Source 2 VCA...
ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 11 Controller SECTION 3: STATUS MONITORING The source voltage has risen above the dropout setting and not dropped below the pickup setting. AND SETPOINTS SOURCE 1 U-F SOURCE 2 U-F The source frequency has dropped below the dropout setting and not risen above the pickup setting.
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ATC-300 Automatic Instruction Booklet Transfer Switch Page 12 Effective: April 2004 Controller Load Energized Time When either of the two sources is connected to the load and the connected source is available, this counter will start log- ging the time in hours. This counter will count up to 9999 hours and then turn over to 0000.
ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 13 Controller SECTION 4:TYPICAL FUNCTION OF K1 and K2 relays, located on pins 1 and 2 (K1) or pins 3 and 4 (K2) on the J-5 connector, are use to control device posi- THE ATC-300 CONTROLLER tion.
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ATC-300 Automatic Instruction Booklet Transfer Switch Page 14 Effective: April 2004 Controller The S1 device Alarm will occur if the switch is commanded The Alarm contact will change state when the lockout signal to go from S1 to S2 and the S1 connected input is NOT is sensed.
ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 15 Controller SECTION 5: OPERATION the ATC-300 that the Source 2 device is open. This input is typically wired to the Source 2 device auxiliary contact that is closed when the Source 2 device is closed. The Source 2 5.1 General input is always enabled.
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ATC-300 Automatic Instruction Booklet Transfer Switch Page 16 Effective: April 2004 Controller load. The remaining conventional relays are UL/CSA rated at 5.5.1.1 Customer Connections 10 A, 1/3 HP, 250 Vac. The DC rating is 10 A at 30 Vdc. Note:The ATC-300 Controller MUST BE properly grounded at J-5, Pin CAUTION 12 for proper operation.
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ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 17 Controller Generator Start Relay This Form A output is used for control of the transfer switch motor to close the Source 1 device (i.e. circuit breaker) for This latching relay is the generator start relay for system con- motor-operator transfer switches.
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ATC-300 Automatic Instruction Booklet Transfer Switch Page 18 Effective: April 2004 Controller 5.8 Plant Exerciser NOTICE IF THE ATS IS UNABLE TO PROCESS A ENGINE TEST REQUEST NOTICE DUE TO THE ATS STATUS, THE REQUEST IS IGNORED. When the Engine Test pushbutton is pressed, the following THE PLANT EXERCISER FEATURE ALLOWS FOR AUTOMATIC message will appear on the LCD Display: PROGRAMMING OF THE DESIRED TEST CYCLE ON A DAILY,...
ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 19 Controller SECTION 6: PROGRAMMING In-phase transition is an open transition with both sources in- phase. An anticipatory scheme is used for controlling the cir- cuit breakers. The advance angle is calculated based on the 6.1 Introduction frequency difference between the two sources and also the response time of the breaker.
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Instruction Booklet ATC-300 Automatic Transfer Switch Page 20 Effective: April 2004 Controller CHANGE PASSWORD? Use the Increase or Decrease pushbuttons to select Yes or No, then use the Step/Enter pushbutton to enter the selection and move to the next screen. If No is selected, the first Set- point screen will appear.
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ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 21 Controller The following setpoints are programmable if the corresponding feature is programmed. Table 2. Programmable Features and Setpoints Setpoint Optional Setpoint Units Description Range Factory Default Feature New Password Four Digits Set New Password 0000 to 9999...
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Instruction Booklet ATC-300 Automatic Transfer Switch Page 22 Effective: April 2004 Controller Table 2 Programmable Features and Setpoints (Cont.) Setpoint Optional Setpoint Units Description Range Factory Default Feature DST ADJUST Day Light Savings 0 or 1 (1=Enabled) LANGUAGE Selected Language English, French, Spanish, or English Dutch...
For assistance with this deter- mination, contact EATON Electrical. If a problem is identified to be internal, the unit should be returned to the factory for replacement.
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Instruction Booklet ATC-300 Automatic Transfer Switch Page 24 Effective: April 2004 Controller Table 3. Troubleshooting Guide (Cont.) Symptom Probable Cause Possible Solution(s) Unit will not perform an Engine Test. Engine Test pushbutton was not pressed. Press the Engine Test pushbutton to initiate the test.
ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 25 Controller APPENDIX A: DISPLAY MESSAGES FOR STATUS AND TIMERS Display Message TDEC Countdown cool-off timing before the generator contacts are opened. TDES Countdown timing before the generator contacts are closed. TDNE Countdown timing before Source 1 is disconnected before transferring to Source 2.
Instruction Booklet ATC-300 Automatic Transfer Switch Page 26 Effective: April 2004 Controller APPENDIX B: OPERATIONAL FLOWCHARTS Utility - Generator Transfer Switch ■ Dual Utility Transfer Switch ■ In-phase Transition Implementation ■ Utility - Generator Transfer Switch Source 1 is available Close Source 1 (Energize K1) Source 1 is powering the load...
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ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 27 Controller Dual Utility Transfer Switch Source 1 is available Note: Programs TDES, TDEC and TDEF Setpoint to 0 Seconds Close Source 1 (Energize K1) Source 1 is powering the load Source 1 becomes unavailable (or Go To Emergency) Is Source 1...
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Instruction Booklet ATC-300 Automatic Transfer Switch Page 28 Effective: April 2004 Controller In-Phase Transition Implementation Source 1 is available Close Source 1 (Energize K1) Source 1 is powering the load Receive request to transfer to Source 2 (or Engine Test, Plant Exercise, Go To Emergency) TDES timer times out Send "Engine Start"...
ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 29 Controller APPENDIX C: DISPLAY MENU TREE Note: Only standard and programmed optional Features will appear on the LCD Display. Optional Features that are not programmed will be skipped and will not appear on the LCD display. A T C - 3 0 0 D I S P L A Y M E N U T R E E 4 / 1 6 / 0 4 2 / 1 9 / 0 3...
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Instruction Booklet ATC-300 Automatic Transfer Switch Page 30 Effective: April 2004 Controller V I E W Y E S S T E P ( N O ) B a c k t o b e g i n n i n g S E T P O I N T S ? m e n u S T E P ( Y E S )
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ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 31 Controller T D E N 0 : 0 5 U s e I n c / D e c S 1 O V P I C K 5 0 4 S T E P U s e I n c / D e c T D E C...
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Instruction Booklet ATC-300 Automatic Transfer Switch Page 32 Effective: April 2004 Controller V O L T U N B A L T D N 0 : 0 5 U s e I n c / D e c U s e I n c / D e c S T E P S T E P P L A N T E X E R -...
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ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 33 Controller S T E P ( Y E S ) C H A N G E T I M E / D A T E ? S T E P ( N O ) H O U R S 1 0 A M U s e I n c / D e c...
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Instruction Booklet ATC-300 Automatic Transfer Switch Page 34 Effective: April 2004 Controller S 1 A V A I L 9 9 9 9 P U S H A l a r m R e s e t S T E P S 2 A V A I L 9 9 9 9 P U S H A l a r m R e s e t...
ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 35 Controller APPENDIX D: Pickup / Dropout Tables UnderVoltage Pickup / Dropout Table Percentage Voltage Pickup Dropout IB01602009E For more information visit: www.eatonelectrical.com...
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Instruction Booklet ATC-300 Automatic Transfer Switch Page 36 Effective: April 2004 Controller OverVoltage Pickup / Dropout Table Percentage Voltage Dropout Pickup UnderFrequency Pickup / Dropout Table Percentage Frequency Pickup Dropout OverFrequency Pickup / Dropout Table Percentage Frequency Dropout Pickup For more information visit: www.eatonelectrical.com IB01602009E...
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ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 37 Controller NOTES: IB01602009E For more information visit: www.eatonelectrical.com...
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ATC-300 Automatic Instruction Booklet Transfer Switch Page 38 Effective: April 2004 Controller NOTES: For more information visit: www.eatonelectrical.com IB01602009E...
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ATC-300 Automatic Instruction Booklet Transfer Switch Effective: April 2004 Page 39 Controller NOTES: IB01602009E For more information visit: www.eatonelectrical.com...
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COURSE OF DEALING OR USAGE OF TRADE, ARE 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 liability or otherwise for any spe-...
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