Eaton ATC-900 Instruction Booklet
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Eaton ATC-900 Instruction Booklet

Eaton ATC-900 Instruction Booklet

Open/closed transition contactor based transfer switch
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See also: Operation & Maintenance Manual
O & M Manual for 40-1200A (480/600 Vac)
ATC-900 3-Position, Open/Closed
Transition Contactor Based Transfer Switch
Instruction Booklet
Description
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Receiving, Handling, and Storage . . . . . . . . . . . . . . . . . . . 6
Equipment Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Testing and Problem Solving . . . . . . . . . . . . . . . . . . . . . . .21
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Renewal Parts Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
IB140036EN
Page
For more information visit: www.eaton.com

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Summary of Contents for Eaton ATC-900

  • Page 1: Table Of Contents

    Renewal Parts Guide ......25 ATC-900 Controlled ATS Quick Start Instructions ..26 IB140036EN For more information visit: www.eaton.com...

  • 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: General Information

    Source 2 1.2.1 Design Configuration The Eaton contactor based ATS is a compact design that uses a Source 1 power contactor to transfer essential loads from one power source to another (Figure 3 [1200A]).
  • Page 4 Figure 4B. Closed Transition Contactor Based ATS (1200A) Each panel is independently mounted with interconnecting wiring 1.3 ATS Catalog Number Identification terminated at the connector receptacles on the ATC-900 Control- ler. Transfer switch equipment catalog numbers provide a significant For open transition contactor based transfer switch, enclosure...

  • Page 5: Environmental Conditions

    Breaker, or Molded Case Switch/Breaker, 2 or 3 position). Failsafe is a feature that prevents disconnection from the only Appendix A of the ATC-900 manual has a list of all of the fea- available power source and also forces a transfer or re-transfer tures including any acronyms used along with a brief descrip- operation to the only available power source.

  • Page 6: Receiving, Handling, And Storage

    10 ma) connections for various functional inputs. Up to four ping materials to prevent damage during shipment. Do not modules can be used with the ATC-900 giving the user up to 20 remove or discard the packing material until the equipment is inputs or 20 outputs (including the controller's standard I/Os).

  • Page 7: Equipment Description

    Instruction Booklet Effective: October 2014 Page 7 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch Section 3: Equipment Description 3.1 General LOGIC POWER PANEL PANEL The ATS consists of three basic panels: 1. The power panel;...

  • Page 8: Voltage Selection

    Instruction Booklet Page 8 Effective: October 2014 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch LOGIC LOGIC PANEL SOURCE-1 LUGS PANEL NEUTRAL CONNECTION SOURCE 1 LUGS TRANSFER MECHANISM TRANSFER MECHANISM GROUND CONNECTION SOURCE 2...
  • Page 9 3.5 Features and Glossary of Terms Figure 7.North American Market Voltage Selection Terminals A variety of standard and optional features are available for Eaton (Shown Connected to the 208 Vac Plug). ATSs. All features or combinations of features may not be avail- able on specific ATSs.
  • Page 10 Unlike earlier controllers, the ATC-900 comes with standard fea- in the case where motor loads are being transferred. tures that are ready to use, with the exception of Closed Transi- Time Delay Load Voltage Decay utilizes the load voltage mea- tion, In-Phase, Current metering, and Ethernet.
  • Page 11 Display manual mode, manual transfer between Normal (S1) and Emer- There are two displays used on the ATC-900. There is the famil- gency (S2) can be achieved by operating another 2-position iar MIMIC display using LEDs (see below) and the color display selector switch marked “Normal-Emergency”.
  • Page 12 Optional Feature 48D: PXG200 Gateway This Feature provides communication by using Modbus 485 on the back of ATC-900 controller. The PXG200 Gateway serves as a communication protocol translator –taking in MODBUS RTU– and present data via Ethernet TCP/IP or Modbus TCP/IP. The data...
  • Page 13 Dust, Dirt, and Non-Corrosive Liquids 3.7 Standards Eaton ATS equipment, enclosed in any of the enclosures listed in Table 3, is listed for application by UL and ULC. In addition, Eaton ATSs are listed in File E38116 by Underwriters Laborato- ries, Inc.

  • Page 14: Installation And Wiring

    Instruction Booklet Page 14 Effective: October 2014 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch Section 4: Installation and Wiring 4.3 Mounting Procedure (Open Transition Transfer Switch) 4.1 General Eaton ATSs are factory wired and tested. Installation requires...
  • Page 15 Instruction Booklet Effective: October 2014 Page 15 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch 4.4 Mounting Procedure (Close Transition Transfer With the enclosed ATS equipment unpacked and ready for mounting, proceed with the following steps.
  • Page 16 Instruction Booklet Page 16 Effective: October 2014 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch 4.5 Power Cable Connections Carefully strip the insulation from the power cables to avoid nick- ing or ringing of the conductor strands. Prepare the stripped con- ductor termination end by cleaning it with a wire brush.
  • Page 17 Instruction Booklet Effective: October 2014 Page 17 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch 4.5 Wiring 4.6 Engine Start Connection The engine control contact connections are located on the logic WARNING panel of the ATS. Connect the engine start wires to the red ter- minal blocks.
  • Page 18 J4 (4 Programmable Form C Outputs) J4 Source Sources 1 and 2 Control Power Available Outputs LEFT SIDE VIEW RIGHT SIDE VIEW Figure 13a. ATC-900 (Top Left, and Right Side Views). Figure 13b. I/O Module. For more information visit: www.eaton.com IB140036EN...
  • Page 19 Instruction Booklet Effective: October 2014 Page 19 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch 4.7 Voltage Selection Adjustments Certain devices, such as the Voltage Selection Panel, sensing relays, and timers, need to be set and/or calibrated prior to plac- ing the ATS equipment in service.

  • Page 20: Operation

    Transition). 1. Disconnect all sources of power. MANUAL 2. Disconnect the J7 connector from the ATC-900 controller. OPERATING HANDLE 3. Depress the “trip” button located on the operating mecha- nism of the contactor to bring the contactor to neutral (trip) position.

  • Page 21: Testing And Problem Solving

    6.1.2 No Voltage Steps 2. At the preset voltage, K1 and K3 relays inside ATC-900 con- With no voltage available on either power source, proceed as fol- troller operate to start transfer operation to Source 1.
  • Page 22 ONLY PROPERLY TRAINED PERSONNEL, FAMILIAR WITH THE ATS EQUIPMENT AND ITS ASSOCIATED EQUIPMENT, SHOULD BE PER- Note: The ATC-900 Logic Controller provides the capability to set the MITTED TO PERFORM THE PROBLEM SOLVING FUNCTION. IF AN Engine Test function to:...

  • Page 23: Adjustments

    Instruction Booklet Effective: October 2014 Page 23 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch Section 7: Adjustments 6.2.1 Transfer Switch Appears Inoperative (Manual Operation) WARNING Step 1: Initially verify that there is no voltage on any source (Source 1 or Source 2) inside the transfer switch.

  • Page 24: Maintenance

    Connections that do not have signs of looseness or overheating should not be disturbed. f. Contact Inspection Procedure Remove all the screws on the molded cover over the power assembly. Inspect the contacts. Contact Eaton if the contacts have excessive wear. Reinstall the molded cover and tighten screws to 17 in-lbs.

  • Page 25: Renewal Parts Guide

    40-100A, 600VAC - Cat# 68C8289H01 + AB-250S 150-200A, 480/600VAC - Cat# 68C8289H01 + AB-250S 225-400A, 480/600VAC - Cat# 68C8289H01 + AB750-4 600-1200A, 480/600VAC - Cat# 4ABV-750 Figure 17. Typical ATC-900 Controlled Contactor Type 40-1200A ATS. IB140036EN For more information visit: www.eaton.com...

  • Page 26: Atc-900 Controlled Ats Quick Start Instructions

    Instruction Booklet Page 26 Effective: October 2014 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch Section 10: ATC-900 Controlled ATS Quick Start Instructions WARNING THESE QUICK START INSTRUCTIONS ARE NOT A COMPLETE SOURCE OF INFORMATION ON THE ATC-900 CONTROLLED ATS EQUIPMENT.
  • Page 27 Instruction Booklet Effective: October 2014 Page 27 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch LOGIC PANEL NEUTRAL CONNECTION MANUAL OPERATING HANDLE NORMAL POWER SOURCE TRANSFER MECHANISM POWER PANEL EMERGENCY POWER SOURCE GROUND CONNECTION...
  • Page 28 Instruction Booklet Page 28 Effective: October 2014 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch NORMAL POWER SOURCE LOGIC PANEL MANUAL OPERATING GROUND HANDLE CONNECTION POWER PANEL TRANSFER MECHANISM VOLTAGE SELECTION EMERGENCY PANEL LOAD LUGS POWER SOURCE Figure 19B.
  • Page 29 Source 1 and load termi- nals. Check all phases on a 3-phase switch. Voltage measurements should be taken phase to phase and phase to neutral. Step 6: To view the setpoints, see the ATC-900 instruction manual. IB140036EN For more information visit: www.eaton.com...
  • Page 30 Instruction Booklet Page 30 Effective: October 2014 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch Utility - Generator Transfer Switch Source 1 is available Close Source 1 contactor (Momentarily energize K3) Source 1 is powering the load...
  • Page 31 Instruction Booklet Effective: October 2014 Page 31 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch Dual Utility Transfer Switch Source 1 is available Close Source 1 contactor (Momentarily energize K3) Source 1 is powering the load...
  • Page 32 Instruction Booklet Page 32 Effective: October 2014 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch Figure 22. Closed/Open Transition Flowchart. For more information visit: www.eaton.com IB140036EN...
  • Page 33 Instruction Booklet Effective: October 2014 Page 33 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch Notes: IB140036EN For more information visit: www.eaton.com...
  • Page 34 Instruction Booklet Page 34 Effective: October 2014 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch Notes: For more information visit: www.eaton.com IB140036EN...
  • Page 35 Instruction Booklet Effective: October 2014 Page 35 O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position, Open/Closed Transition Contactor Based Transfer Switch Notes: IB140036EN For more information visit: www.eaton.com...
  • Page 36 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 conse-...

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