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Eaton ATC-300 Instruction Booklet

O & m manual for the breaker based transfer switch
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O & M Manual for the EATON ATC-300
Breaker Based Transfer Switch
Instruction Booklet
Description
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Receiving, Handling, and Storage . . . . . . . . . . . . . . . . . 6
Equipment Description. . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation and Wiring . . . . . . . . . . . . . . . . . . . . . . . . 19
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Testing and Problem Solving . . . . . . . . . . . . . . . . . . . . 31
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Renewal Parts Guide . . . . . . . . . . . . . . . . . . . . . . . . . 34
Appendix A: Pickup / Dropout Tables . . . . . . . . . . . . . . 47
IB01602008E
Page
For more information visit: www.eaton.com

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Summary of Contents for Eaton ATC-300

  • Page 1: Table Of Contents

    Renewal Parts Guide ......34 ATC-300 Controlled ATS Quick Start Instructions ..36 Appendix A: Pickup / Dropout Tables .

  • Page 2: Introduction

    In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or...
  • Page 3 Source 2 1.2.1 Design Configuration The Eaton ATS is a rugged, compact design that uses molded Source 1 case switches and/or circuit breakers to transfer essential loads from one power source to another (Figures 3 [225-1200 A] and 4 [30-150 A]).
  • Page 4 The com- pact, vertical configuration uses a positive, metallic transfer and interlocking system between the molded case switches. The Eaton ATS was designed with easy installation and simplified maintenance in mind. Three main panels compromise the transfer switch design: Figure 5.
  • Page 5 ATC-300 logic. amount of relevant information that pertains to a particular piece The Eaton Series C Type HKD is used as the switching device and of equipment. The Catalog Number Identification Table (Table 2) is in the form of a 2-pole molded case switch on each source.

  • Page 6: Receiving, Handling, And Storage

    Record any external and internal dam- cable voltage and frequency setpoint ranges for the nominal age for reporting to the transportation carrier and Eaton, once voltage and frequency setting for a time exceeding 0.5 sec- a thorough inspection is complete. All claims should be as...

  • Page 7: Equipment Description

    Instructional Booklet Effective: March 2014 Page 7 ATC-300 Breaker Based Transfer Switch Section 3: Equipment Description 2.3 Storage Although well packaged, this equipment is not suitable for outdoor 3.1 General storage. The equipment warranty will not be applicable if there is evidence of outdoor storage.
  • Page 8 Section 4 discusses equipment mounting and load lug location in detail. 3.2.2 Main Contacts This ATS incorporates Eaton-type molded case switches. The main contacts connect and disconnect the load to and from the different power sources. High-withstand molded case switches are the main contacts for the Source 1 and Source 2 power sources in standard switch ATSs (Figure 9 and Section 3.7).
  • Page 9 Instructional Booklet Effective: March 2014 Page 9 ATC-300 Breaker Based Transfer Switch GROUND EMERGENCY LINE CONNECTIONS CONNECTIONS NEUTRAL BOND EMERGENCY POWER (FOR SERVICE SOURCE SWITCHING ENTRANCE) DEVICE PIVOT NORMAL LINE BOLT CONNECTIONS MANUAL OPERATOR NORMAL POWER KNOB SOURCE SWITCHING DEVICE...
  • Page 10 Instructional Booklet Page 10 Effective: March 2014 ATC-300 Breaker Based Transfer Switch LOAD LUGS (TOP ENTRY) POWER PANEL GROUND NORMAL POWER CONNECTIONS SOURCE MOLDED CASE SWITCH NEUTRAL CONNECTIONS MANUAL OPERATING HANDLE INDICATOR WHEEL TRANSFER MECHANISM MOTOR BRAKE BOARD EMERGENCY POWER SOURCE MOLDED CASE SWITCH Figure 11.Typical (225-1200 A) Vertical Design Transfer Switch Equipment (Door Open and Deadfront Cover Removed).
  • Page 11 Instructional Booklet Effective: March 2014 Page 11 ATC-300 Breaker Based Transfer Switch A solid steel shield (Deadfront Cover) attached to the ratchet assembly permits viewing of the rotary switch position indicator while restricting access to other parts of the power panel (Figure 12).
  • Page 12 The controller circuit board is protected by an insulating conformal 3.4 ATC-300 Logic Panel coating. The ATC-300 is a microprocessor-based transfer switch logic con- The specifications, under normal operating conditions, are as fol- trol package. The hardware and software of the controller contain...
  • Page 13 Adjustable Overfrequency: 3.5.1 Standard Features Dropout: 103 - 110% of nominal Pickup:101% to (Dropout -1Hz) of nominal The following is a list of the standard features for the ATC-300 Controlled ATS. 5D. 1-Phase Undervoltage Time Delay Normal to Emergency (TDNE)
  • Page 14 12G. Source 1 - Available Test Operators This feature provides a white LED that, when lit, indicates Eaton ATSs are provided with a Test Pushbutton that simu- Source 1 is available. lates a loss of the Source 1 power source as standard (Fea- ture 6B).
  • Page 15 If the Source 1 power supply fails, then the A setpoint for user-selectable time delay from 10 to 30 sec- ATC-300 will begin the sequence of operations necessary onds is provided. The factory default setpoints are: 5% to transfer the load circuit to the Source 2 power source.
  • Page 16 2 can also be grouped together. 3.5.2 Optional Features Optional Power Cable Connection Terminals The following is a list of the optional features for the ATC-300 Controlled ATS. All features or combinations of features may not Eaton Transfer Switches are provided as standard with...
  • Page 17 These covers function with Eaton Eaton’s ATC series logic controllers and device panels. The covers are designed for NEMA 1, 3R, 4X, and 12 applications.
  • Page 18 Eaton ATS equipment, enclosed in any of the enclosures listed in inserts to insure proper positioning of the power panel anytime the Table 3, is listed for application by UL and ULC. In addition, Eaton power panel must be repositioned to accommodate a different ATSs are listed in File E38116 by Underwriters Laboratories, Inc.

  • Page 19: Installation And Wiring

    4.3 Mounting Procedure 4.1 General CAUTION Eaton ATSs are factory wired and tested. Installation requires sol- idly mounting the enclosed unit and connecting power cables and SINCE THE ENCLOSED ATS MUST BE LIFTED INTO PLACE FOR auxiliary pilot circuits. Physical mounting procedures and power...
  • Page 20 ATC-300 logic panel. Remove the wire ties securing the harness to the inside of the door. Carefully WARNING remove the hinge pins then the door from the enclosure.
  • Page 21 Instructional Booklet Effective: March 2014 Page 21 ATC-300 Breaker Based Transfer Switch POWER PANEL LOAD LUGS (TOP ENTRY) GROUND NORMAL POWER CONNECTIONS SOURCE MOLDED CASE SWITCH NEUTRAL CONNECTIONS MANUAL OPERATING HANDLE INDICATOR WHEEL TRANSFER MECHANISM MOTOR BRAKE BOARD EMERGENCY POWER SOURCE MOLDED CASE SWITCH Figure 19.Typical (225-1200 A) Vertical Design Transfer Switch Equipment (Door Open and Deadfront Cover Removed).
  • Page 22 Instructional Booklet Page 22 Effective: March 2014 ATC-300 Breaker Based Transfer Switch NEUTRAL TO GROUND NEUTRAL CONNECTION ASSEMBLY JUMPER NEUTRAL BOND (FOR SERVICE ENTRANCE) NEUTRAL ASSEMBLY Figure 19A. 4 Pole Neutral Bond for Service Entrance Step 1: Disconnect the power panel from the rest of the transfer switch by unplugging the connector plugs P1, P2, and P3 (Figures 20 and 21).
  • Page 23 Instructional Booklet Effective: March 2014 Page 23 ATC-300 Breaker Based Transfer Switch Step 2: Remove the bolt that bonds the neutral strap to the rear of the enclosure, if it is in place. Step 3: Remove the four bolts that secure the power panel in the enclosure.
  • Page 24 Instructional Booklet Page 24 Effective: March 2014 ATC-300 Breaker Based Transfer Switch Step 7: Turn the load lug assembly 180° with the lugs at the bot- tom and remount the assembly by reversing the proce- NOTICE dures described in Steps 5 and 6. The mounting bracket will now be bolted to the bottom of the power panel.
  • Page 25 Instructional Booklet Effective: March 2014 Page 25 ATC-300 Breaker Based Transfer Switch 4.6 Wiring CAUTION WARNING TO HELP PREVENT COMPONENT DAMAGE OR FUTURE MALFUNC- TIONS, USE EXTREME CARE TO KEEP CONTAMINANTS OUT OF THE POWER CONDUCTORS AND CONTROL WIRING MAY HAVE VOLTAGE ATS EQUIPMENT WHEN MAKING POWER CABLE CONNECTIONS.
  • Page 26 9 10 11 12 13 14 9 10 11 12 13 14 9 10 9 10 Output Relays Control Inputs 6.5 in. Figure 24.Location of Terminals 13 and 14 on the J-5 Connector of ATC-300 Controller. For more information visit: www.eaton.com IB01602008E...
  • Page 27 Instructional Booklet Effective: March 2014 Page 27 ATC-300 Breaker Based Transfer Switch 4.8 Voltage Selection Adjustments Certain devices, such as the Voltage Selection Panel, sensing relays, and timers, need to be set and/or calibrated prior to placing the ATS equipment in service. Adjustments for logic devices are described in the separate instructional document dedicated to the specific logic being used.
  • Page 28 Instructional Booklet Page 28 Effective: March 2014 ATC-300 Breaker Based Transfer Switch Figure 26.Line Voltage Plug and Receptacles for Horizontal Design. 4.9 Terminal Block Wire Installation and Removal Figure 28.Screwdriver Inserted in the “Tool” Hole. Proceed with the following steps and associated figures to install Step 3: Once the screwdriver is in place, obtain a stripped wire or remove terminal block wiring.

  • Page 29: Operation

    Instructional Booklet Effective: March 2014 Page 29 ATC-300 Breaker Based Transfer Switch Section 5: Operation Step 4: While holding the wire in place, pull the screwdriver out. The wire will now be held securely in the terminal block. Pull on the wire to insure that it is correctly inserted into 5.1 General...
  • Page 30 Instructional Booklet Page 30 Effective: March 2014 ATC-300 Breaker Based Transfer Switch 5.2 Manual Operation (225-1200 A) The manual operating handle can be used to create the rotational motion required to open and close the main contacts through a rigid mechanical interlocking system (Figure 32). An indicator...

  • Page 31: Testing And Problem Solving

    Instructional Booklet Effective: March 2014 Page 31 ATC-300 Breaker Based Transfer Switch Section 6: Testing and Problem Solving 6.1 Testing After the ATS equipment is initially installed or during planned out- ages, the installation should be tested to ensure that all equipment operates properly.
  • Page 32 Test> pushbutton two times. TED TO PERFORM THE PROBLEM SOLVING FUNCTION. IF AN INDI- VIDUAL IS NOT QUALIFIED TO PERFORM THE PROBLEM SOLVING Note:The ATC-300 Logic Controller provides the capability to set the FUNCTION, THE INDIVIDUAL SHOULD NOT ATTEMPT ANY OF THESE PROCEDURES.

  • Page 33: Adjustments

    Adjustments Section 8: Maintenance 7.1 General 8.1 Introduction Refer to I.B. 01602009E, supplied with the ATS for ATC-300 WARNING Controller adjustments and programming. HIGH VOLTAGES ARE PRESENT IN AND AROUND ATS EQUIPMENT. BEFORE INSPECTING OR MAINTAINING THIS EQUIPMENT, DISCON- NECT THE LINE POWER FROM, THEN LOCK OUT, IF POSSIBLE, THE NEXT HIGHEST DISCONNECT DEVICE.

  • Page 34: Renewal Parts Guide

    NOTE THAT THE SECOND TO THE LAST CHARACTER WILL ALWAYS BE A “K” WHEN ORDERING A REPLACEMENT POWER PANEL. HORIZONTAL POWER PANEL CAT#: PPH3FDB20200BKU (NOT SHOWN) Figure 36A Typical ATC-300 Controlled Breaker Based ATS. For more information visit: www.eaton.com IB01602008E...
  • Page 35 DOMESTIC SWITCH, ATH3 (HORIZONTAL)-CAT# 8885C45G35 DOMESTIC SWITCH, ATV3 (VERTICAL)-CAT# 8885C45G34 INTERNATIONAL SWITCH, ATH3 (HORIZONTAL)-CAT# 8885C45G31 INTERNATIONAL SWITCH, ATV3 (VERTICAL)-CAT# 8885C45G30 AG SWITCH, ATH3 (HORIZONTAL)-CAT# 8885C45G33 AG SWITCH, ATV3 (VERTICAL)-CAT# 8885C45G32 Figure 36B.Typical ATC-300 Controlled Breaker Based ATS. IB01602008E For more information visit: www.eaton.com...

  • Page 36: Atc-300 Controlled Ats Quick Start Instructions

    Quick Start Instructions WARNING THESE QUICK START INSTRUCTIONS ARE NOT A COMPLETE SOURCE OF INFORMATION ON THE ATC-300 CONTROLLED ATS EQUIPMENT. INSTALLATION SHOULD NOT BE STARTED UNTIL THE ENTIRE INSTRUCTION BOOK HAS BEEN REVIEWED AND UNDER- STOOD. FAILURE TO FOLLOW THE FULL INSTRUCTIONS CAN RESULT IN DEATH, SEVERE PERSONAL INJURY, OR PROPERTY DAMAGE.
  • Page 37 Instructional Booklet Effective: March 2014 Page 37 ATC-300 Breaker Based Transfer Switch LOAD LUGS (TOP ENTRY) NEUTRAL POWER PANEL CONNTECTIONS NORMAL POWER SOURCE MOLDED MANUAL CASE SWITCH OPERATING HANDLE LOCKOUT INDICATOR WHEEL TRANSFER MECHANISM VOLTAGE SELECTION PANEL (DOMESTIC) MOTOR BRAKE...
  • Page 38 This will prevent unexpected activation of the generator. Step 4: Connect the Engine Generator Start wires to terminals 13 and 14 on the J-5 connector on the ATC-300 Controller (Figure 40). This contact is CLOSED whenever the engine generator is needed, and should be connected to a generator controller.
  • Page 39 Instructional Booklet Effective: March 2014 Page 39 ATC-300 Breaker Based Transfer Switch S1 - Line Control S1 - Neut Power S2 - Line Programming S2 - Neut Port Phase C Phase C Source 1 Source 1 Phase B Phase B...
  • Page 40 Alarm Bypass Reset TDNE / TDEN Figure 41.ATC-300 Logic (Utility Supplying Load) Step 6: To view the setpoints, press the <Step/Enter> pushbut- ton and enter the Password. Note: The factory default Password is 0300. Once all installation and test- ing is complete, the Password should be changed by authorized per- sonnel to a unique Password for the equipment.
  • Page 41 Instructional Booklet Effective: March 2014 Page 41 ATC-300 Breaker Based Transfer Switch Utility - Generator Transfer Switch Source 1 is available Close Source 1 (Energize K1) Source 1 is powering the load Source 1 becomes unavailable Is Source 1 (or Engine Test, Plant Exercise, Go To Emergency)
  • Page 42 Instructional Booklet Page 42 Effective: March 2014 ATC-300 Breaker Based Transfer Switch Dual Utility Transfer Switch Source 1 is available Close Source 1 (Energize K1) Source 1 is powering the load Source 1 becomes unavailable (or Go To Emergency) Is Source 1...
  • Page 43 Instructional Booklet Effective: March 2014 Page 43 ATC-300 Breaker Based Transfer Switch The following setpoints are programmable if the corresponding feature is programmed. Table 7. Programmable Features and Setpoints SETPOINT SETPOINT UNITS DESCRIPTION RANGE FACTORY DEFAULT New Password Four Digits...
  • Page 44 Instructional Booklet Page 44 Effective: March 2014 ATC-300 Breaker Based Transfer Switch Table 7 Programmable Features and Setpoints (Cont.) SETPOINT SETPOINT UNITS DESCRIPTION RANGE FACTORY DEFAULT UNBAL PICK % Percent Percent for Unbalanced Voltage Pickup Dropout minus (UNBAL DROP % -2) to 3%...
  • Page 45 ATC-300 Breaker Based Transfer Switch Step 7: To change or add a setpoint, select Yes when the Step 9: Initiate a Load Test from the front panel of the ATC-300 “Change Setpoints” message appears on the screen. Use (Figure 45). This may be done by setting the engine test the <Step/Enter>...
  • Page 46 NOTICE WHILE PERFORMING TESTING, IF AN UNDESIRED OR UNDOCU- MENTED RESULT OCCURS, FIRST CONTACT THE LOCAL GENSET DEALER. IF THE RESULT IS NOT CORRECTED, CONTACT THE EATON PRODUCT INTEGRITY CENTER AT 1-800-210-6208. For more information visit: www.eaton.com IB01602008E...

  • Page 47: Appendix A: Pickup / Dropout Tables

    Instructional Booklet Effective: March 2014 Page 47 ATC-300 Breaker Based Transfer Switch Appendix A: Pickup / Dropout Tables UNDERVOLTAGE PICKUP / DROPOUT TABLE PERCENTAGE VOLTAGE Pickup Dropout IB01602008E For more information visit: www.eaton.com...
  • Page 48 Instructional Booklet Page 48 Effective: March 2014 ATC-300 Breaker Based Transfer Switch 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.eaton.com...
  • Page 49 Instructional Booklet Effective: March 2014 Page 49 ATC-300 Breaker Based Transfer Switch Notes: IB01602008E For more information visit: www.eaton.com...
  • Page 50 Instructional Booklet Page 50 Effective: March 2014 ATC-300 Breaker Based Transfer Switch Notes: For more information visit: www.eaton.com IB01602008E...
  • Page 51 Instructional Booklet Effective: March 2014 Page 51 ATC-300 Breaker Based Transfer Switch Notes: IB01602008E For more information visit: www.eaton.com...
  • Page 52 DEALING OR USAGE OF TRADE, ARE MADE REGARDING THE INFORMATION, RECOMMENDATIONS AND DESCRIPTIONS CON- TAINED HEREIN. In no event will Eaton be responsible to the pur- chaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or conse-...

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