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Eaton ATC-300 Operation And Maintenance Manual

Breaker based transfer switch
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O & M Manual for the EATON ATC-300+/900
Breaker Based Transfer Switch
Instruction Booklet
Description
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Receiving, Handling, and Storage . . . . . . . . . . . . . . . . . 6
Equipment Description. . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation and Wiring . . . . . . . . . . . . . . . . . . . . . . . . 18
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Testing and Problem Solving . . . . . . . . . . . . . . . . . . . . 30
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Renewal Parts Guide . . . . . . . . . . . . . . . . . . . . . . . . . 33
IB140042EN
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 ......33 ATC-300 Controlled ATS Quick Start Instructions ..35 IB140042EN 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 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+. 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: May 2015 Page 7 ATC-300/900 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: May 2015 Page 9 ATC-300/900 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: May 2015 ATC-300/ 900 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.
  • Page 11 Instructional Booklet Effective: May 2015 Page 11 ATC-300/900 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 Instructional Booklet Page 12 Effective: May 2015 ATC-300/ 900 Breaker Based Transfer Switch 3.3.2 International Voltage Selection (208, 220, 240, 380, 415, and 600 V - 50-60 Hz) The International market voltage selection panel is a multi-tap, enclosed transformer mounted in the enclosure (Figure 14).
  • Page 13 For a 3-phase delta source, this feature should be turned off via the PHASE REV setpoint. The following is a list of the standard features for the ATC-300+ and the ATC-900 Controlled ATS. There are other options avail- 5J. 3-Phase Undervoltage and Underfrequency Protection able, see the controller IB supplied.
  • Page 14 Re-transfer will occur when the external contact For the ATC-300+, this feature provides a white LED that, is closed or under a “failsafe” condition. A connection point when lit, indicates Source 1 is available. For the ATC-900, on the controller for the connection of an external contact is form C output relays are available.
  • Page 15 CTs. Meters can also be applied This feature provides a signal to a remote device prior to a to the switch if the ATC-300+ is used. re-transfer operation. It provides one Form “C” contact (NO/NC) for interface with other equipment (typically eleva- A single ammeter is a true RMS sensing device that displays tor controls).
  • Page 16 These covers function with Eaton Eaton’s ATC series con- trollers and device panels. The covers are designed for NEMA 1, 3R, 4X, and 12 applications.
  • Page 17 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 18: Installation And Wiring

    4.3 Mounting Procedure 4.1 General CAUTION Eaton ATSs are factory wired and tested. Installation requires sol- SINCE THE ENCLOSED ATS MUST BE LIFTED INTO PLACE FOR idly mounting the enclosed unit and connecting power cables and MOUNTING, BE CERTAIN THAT ADEQUATE RESOURCES ARE auxiliary pilot circuits.
  • Page 19 (J7) at the back of the ATC-300 or the ATC-900 control- ler. Remove the wire ties securing the harness to the WARNING inside of the door.
  • Page 20 Instructional Booklet Page 20 Effective: May 2015 ATC-300 /900 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.
  • Page 21 Instructional Booklet Effective: May 2015 Page 21 ATC-300/900 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 22 Instructional Booklet Page 22 Effective: May 2015 ATC-300 /900 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 23 Instructional Booklet Effective: May 2015 Page 23 ATC-300/900 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 24 Instructional Booklet Page 24 Effective: May 2015 ATC-300 /900 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 VOLT- ATS EQUIPMENT WHEN MAKING POWER CABLE CONNECTIONS.
  • Page 25 The engine start terminals are marked 13 and 14 on J-5 connector on the ATC-300+ Controller (see Figure 24A). For the ATC-900 (Figure 24B) the contacts are on J15 4 &...
  • Page 26 Instructional Booklet Page 26 Effective: May 2015 ATC-300 /900 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 controller are described in the separate instructional document dedicated to the specific controller being used.
  • Page 27 Instructional Booklet Effective: May 2015 Page 27 ATC-300/900 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 28: Operation

    Instructional Booklet Page 28 Effective: May 2015 ATC-300 /900 Breaker Based Transfer Switch Section 5: Operation 5.2 Manual Operation (225-1200 A) The manual operating handle can be used to create the rotational 5.1 General motion required to open and close the main contacts through a rigid mechanical interlocking system (Figure 32).
  • Page 29 Instructional Booklet Effective: May 2015 Page 29 ATC-300/900 Breaker Based Transfer Switch Figure 34. Switch Being Manually Operated (30-150 A Model). 5.4 Automatic Transfer The operating sequence of an ATS is dictated by the switch's standard features and selected options. Operation of an ATS dur-...

  • Page 30: Testing And Problem Solving

    Step 2: Initiate an automatic transfer operation from the Source 1 to the Source 2 power source by pressing the <Engine 6.1.1 Mechanical and/or Electrical Testing Test> pushbutton two times. Note:The ATC-300 Controller provides the capability to set the Engine Test NOTICE function to: 1. No Load Engine Test;...

  • Page 31: Adjustments

    ATS. Refer to the sche- matic diagram provided with the ATS equipment, along with the specification nameplate, to determine the exact options Refer to I.B. 01602009E, supplied with the ATS for ATC-300 provided. Controller adjustments and programming.

  • Page 32: Maintenance

    Instructional Booklet Page 32 Effective: May 2015 ATC-300 /900 Breaker Based Transfer Switch Section 8: Maintenance maintenance checks should be made on a regularly scheduled basis. Since equipment maintenance will consist mainly of keep- ing the equipment clean, the frequency of maintenance will 8.1 Introduction...

  • Page 33: 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. IB140042EN For more information visit: www.eaton.com...
  • Page 34 Instructional Booklet Page 34 Effective: May 2015 ATC-300 /900 Breaker Based Transfer Switch ATC-900 CONTROLLER-BREAKER TYPE (TDN)-CAT# 8160A90G07 WIRE HARNESS (ATH3/ATV3) DOMESTIC SWITCH-CAT# 68C8097G03 INTERNATIONAL SWITCH-CAT# 68C8097G01 AG SWITCH-CAT# 68C8097G02 100W SPACE HEATER DOMESTIC/INTERNATIONAL SWITCH-CAT# 8160A41G52 AG SWITCH-CAT# 8160A41G53 TRANSFORMER PANEL...

  • Page 35: 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 36 Instructional Booklet Page 36 Effective: May 2015 ATC-300 /900 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...
  • Page 37 NEVER connect directly to a starter Figure 40. ATC-300+Controller (Utility Supplying Load) solenoid or ignition system. See the Genset manufacturer instruction leaflet for recommended wire sizes and loca- Step 6: To view the setpoints, press the <Step/Enter>...
  • Page 38 Instructional Booklet Page 38 Effective: May 2015 ATC-300 /900 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...
  • Page 39 Instructional Booklet Effective: May 2015 Page 39 ATC-300/900 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 40 ATC-300 /900 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 44). This may be done by setting the engine test the <Step/Enter>...
  • Page 41 Instructional Booklet Effective: May 2015 Page 41 ATC-300/900 Breaker Based Transfer Switch 3.The generator should start and the ATS should trans- fer to Source 2. 4. After transfer, close the upstream breaker, or close the Source 1 Control Circuit Fused Disconnect. The TDEN timer should begin counting, and, when com- plete, the ATS should transfer to Source 1.
  • Page 42 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-...

This manual is also suitable for:

Atc-900

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