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Eaton ATC-300 Instruction Booklet

40-400a (480/600vac) 3-postion contactor based transfer switch
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O & M Manual for ATC-300/900 40-400A
(480/600Vac) 3-Position Contactor Based
Transfer Switch
Instruction Booklet
Description
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Receiving, Handling, and Storage . . . . . . . . . . . . . . . . . . . 6
Equipment Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Testing and Problem Solving . . . . . . . . . . . . . . . . . . . . . . .22
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Renewal Parts Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
ATC-300+ Contactor Based ATS Quick Start Instructions . .26
IB140024EN
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 ......25 ATC-300+ Contactor Based ATS Quick Start Instructions . .26 ATC-900 Controlled ATS Quick Start Instructions .

  • 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 1.2.1 Design Configuration Source 2 The Eaton contactor based ATS is a compact design that uses a power contactor to transfer essential loads from one power source to another (Figure 3 [400A]).
  • Page 4 3-pole, 3 position Power Contactor mounted on a baseplate within the enclosure. The intelligence represented by the logic panel is ATC-300+ controller. The continuous current rating of this equipment is 400A and applicable at 240 Vac, 60 Hz. The transfer switch equipment is enclosed in a NEMA 3R enclosure and is listed for UL applications.
  • Page 5 (TDEF) time delays expires. external contact or connection. Failsafe Failsafe is a feature that prevents disconnection from the only available power source and also forces a transfer or re-transfer operation to the only available power source. IB140024EN For more information visit: www.eaton.com...

  • Page 6: Receiving, Handling, And Storage

    Record any external and internal damage for reporting to the transportation carrier and Eaton, once a thorough inspection is complete. All claims should be as specific as possi- ble and include the catalog and General Order numbers.

  • Page 7: Equipment Description

    This ATS incorporates a power contactor. The main contacts connect and disconnect the load to and from the different power sources. The power contactor is mechanically and electrically interlocked to prevent the two sets of main contacts from being closed simultaneously. IB140024EN For more information visit: www.eaton.com...
  • Page 8 Effective: October 2014 3-Postion Contactor Based Transfer Switch Figure 8. ATC-300+ Logic Control Panel. The ATC-300+ controller has an operating temperature of -20 to 70°C (-4 to 158°F). Figure 7. Standard Voltage Selection Terminals (Shown The controller circuit board is protected by an insulating confor- Connected to the 480 Vac Taps).
  • Page 9 PHASE REV setpoint. 3.5.1 Standard Features 5J. All Phase Undervoltage and Underfrequency Protection The following is a list of the standard features of the ATC-300+ Adjustable Undervoltage: Controller. The ATC-900 controller has many new standard fea- Dropout: 78 - 97% of nominal tures compared to the ATC-300+.
  • Page 10 (2) normally closed contacts. The relay is energized when Source 1 is available. 14H. Source 2 Present: Provides two (2) normally open and two (2) normally closed contacts. The relay is energized when Source 2 is available. For more information visit: www.eaton.com IB140024EN...
  • Page 11 If the Emergency Inhibit contact is opened when the load Unbalance Timer (TD UNBAL) starts timing. After TD is connected to the Emergency Source, the ATC-300+ UNBAL times out, Source 1 is declared “failed”. will transfer the load to the Normal Source if it is available.
  • Page 12 18O. IQ Analyzer Normal (S1) Only 18P. IQ Analyzer Emergency (S2) Only The following is a list of the optional features for the ATC-300+ Controlled ATS. All features or combinations of features may not 18Q. IQ Analyzer Normal (S1) & Emergency (S2) Switch Select- be available on specific ATSs.
  • Page 13 These covers function with Eaton’s ATC series logic controllers and device panels. The covers are designed for NEMA 1, 3R, 4X, and 12 applications.

  • Page 14: Installation And Wiring

    RESULT IN PERSONAL INJURY OR DEATH. 3.7 Standards 4.2 Mounting Location Eaton ATS equipment, enclosed in any of the enclosures listed in Choose a location that offers a flat, rigid mounting surface capa- Table 3, is listed for application by UL and ULC. In addition, ble of supporting the weight of the enclosed ATS equipment.
  • Page 15 EQUIPMENT DAMAGE. nectors at the back of the ATC-300+ logic panel. All equipment enclosures and power panels are of the same Remove the wire ties securing the harness to the inside design.
  • Page 16 CAUTION panel of the ATS. Connect the engine start wires to the terminals marked 13 and 14 on J-5 connector on the ATC-300+ Controller RUN THE POWER CABLE THROUGH THE GUTTER SPACE PROVIDED (see Figure 12). The ATC-900's engine starts (S2 only) are wired TO THE RIGHT OR LEFT OF POWER PANEL.
  • Page 17 9 10 11 12 13 14 9 10 11 12 13 14 9 10 9 10 Output Relays Control Inputs 6.5 in. Figure 12. Location of Terminals 13 and 14 on the J-5 Connector of ATC-300+ Controller. IB140024EN For more information visit: www.eaton.com...
  • Page 18 WHEN CHANGING THE VOLTAGE, ONE WIRE MUST BE MOVED ON THE PRIMARY TAPS OF BOTH TRANSFORMERS. Figure 13B. Standard Voltage Selection Panel. Figure 13. Step 3: Reinstall the cover and tighten the four screws. For more information visit: www.eaton.com IB140024EN...
  • Page 19 K3=S1 Close K4=S2 Close J4 (4 Programmable Form C Outputs) J4 Source Sources 1 and 2 Available Outputs Control Power LEFT SIDE VIEW RIGHT SIDE VIEW Figure 14. ATC-900 (Top Left, and Right Side Views). IB140024EN For more information visit: www.eaton.com...

  • Page 20: Operation

    130 Vac or below 110 Vac. 1. Disconnect all sources of power. 13. Insert the J7 connector into the controller. 2. Disconnect the J7 connector from the ATC-300+ controller. 14. Follow the testing procedure in Section 6 to ensure proper automatic operation.

  • Page 21: Testing And Problem Solving

    Step 1: Close the Source 1 power source upstream protection device. Step 2: Connect the engine start battery cable. Step 3: With the emergency generator in the OFF position, close the Source 2 power source upstream protective device, assuming such a device used. IB140024EN For more information visit: www.eaton.com...
  • Page 22 EQUIPMENT AND ITS ASSOCIATED EQUIPMENT, SHOULD BE PER- MITTED TO PERFORM THE PROBLEM SOLVING FUNCTION. IF AN Note:The ATC-300+ Logic Controller provides the capability to set the INDIVIDUAL IS NOT QUALIFIED TO PERFORM THE PROBLEM SOLV- Engine Test function to: ING FUNCTION, THE INDIVIDUAL SHOULD NOT ATTEMPT ANY OF THESE PROCEDURES.

  • Page 23: Adjustments

    Carefully remove the arc chute clips using needle nose pliers. Remove the arc chutes to inspect the contacts. Contact Eaton Care if the contacts have excessive wear. Reinstall the arc chutes and arc chute clips, making sure the ends of the clips are fully seated in the grooves on the barriers.

  • Page 24: Renewal Parts Guide

    200A, 600VAC, 4-Pole - Cat# 69C2990G03 Wire Harness (400A Contactor) Call factory Lugs (400A Contactor) Up to 400A - Cat# AB-750-4 100W Space Heater Domestic Switch, up to 600VAC Figure 16. Typical ATC-300+ Controlled Contactor Based ATS. For more information visit: www.eaton.com IB140024EN...
  • Page 25 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 UNDERSTOOD. FAILURE TO FOLLOW THE FULL INSTRUCTIONS CAN RESULT IN DEATH, SEVERE PERSONAL INJURY, OR PROP- ERTY DAMAGE.
  • Page 26 Instruction Booklet ATC-300/900 40-400A (480/600Vac) Page 26 Effective: October 2014 3-Postion Contactor Based Transfer Switch ATC-300 OR ATC-900 CONTROLLER VOLTAGE SELECTION AND TRANSFORMER PANEL NORMAL LUGS GROUND CONNECTION TRANSFER MECHANISM NEUTRAL CONNECTION EMERGENCY LUGS LOAD LUGS Figure 18. 400A, 3-Pole, ATS Interior Components.
  • Page 27 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+ Con- troller (Figure 19). This contact is CLOSED whenever the engine generator is needed, and should be con- nected to a generator controller.
  • Page 28 Alarm Bypass Reset TDNE / TDEN Figure 20. 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 testing is complete, the Password should be changed by authorized personnel to a unique Password for the equipment.
  • Page 29 (If Source 1 is Available) Remove "Engine Start" signal Open Source 1 (De-energize Gen Start relay) (Energize K2) Close Source 2 (Energize K2) Source 2 is powering the load Figure 21. Utility - Generator Transfer Switch Example. IB140024EN For more information visit: www.eaton.com...
  • Page 30 WHILE PERFORMING TESTING, IF AN UNDESIRED OR UNDOCU- MENTED RESULT OCCURS, FIRST CONTACT THE LOCAL GENSET Help DEALER. IF THE RESULT IS NOT CORRECTED, CONTACT THE Step Engine EATON POWER QUALITY TECHNICAL SUPPORT CENTER. Lamp Test Enter Test Alarm Bypass...

  • Page 31: Atc-900 Controlled Ats Quick Start Instructions

    Enter key. The "Change Setpoints" screen will require a pass- word to access (factory default is 0900). Eaton’s ATC-900 brings intelligence, adaptability, supervisory and programming capabilities to automatic transfer switch equip- ment. The smartEST (smart Eaton Switch Technology) brings a new standard in Automatic Transfer Switches.
  • Page 32 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 special, indirect, incidental or consequential damage or...

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Atc-900

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