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Eaton Cutler-Hammer ATC-300, O & M Manual

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Eaton Cutler-Hammer ATC-300 O & M Manual Download Page 1

IB01602015E

For more information visit: www.eaton.com

O & M Manual for ATC-300 2-Position 

Contactor Based Transfer Switch

Instruction Booklet

Description

Page

Introduction 

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2

Receiving, Handling, and Storage

   . . . . . . . . . . . . . . . . . . .  6

Equipment Description

 . . . . . . . . . . . . . . . . . . . . . . . . . . .  7

Installation and Wiring 

. . . . . . . . . . . . . . . . . . . . . . . . . . .14

Operation 

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Testing and Problem Solving

 . . . . . . . . . . . . . . . . . . . . . . .21

Adjustments

  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Maintenance 

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Renewal Parts Guide

  . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

ATC-300 Contactor Based ATS Quick Start Instructions 

 . . .25

Appendix A: Pickup / Dropout Tables

 . . . . . . . . . . . . . . . . .35

Summary of Contents for Cutler-Hammer ATC-300

Page 1: ...truction Booklet Description Page Introduction 2 Receiving Handling and Storage 6 Equipment Description 7 Installation and Wiring 14 Operation 20 Testing and Problem Solving 21 Adjustments 23 Maintena...

Page 2: ...installation application or maintenance activity please contact an authorized Eaton sales representative or the installing contractor 1 1 1 Warranty and Liability Information No warranties expressed o...

Page 3: ...nsfers back and initiates generator shutdown In the event the Source 1 power source fails and the Source 2 power source does not appear the ATS remains connected to the Source 1 power source until the...

Page 4: ...cation Transfer switch equipment catalog numbers provide a significant amount of relevant information that pertains to a particular piece of equipment The Catalog Number Identification Table Table 2 p...

Page 5: ...hange of the load connection from the Source 2 to the Source 1 Source 1 Source 1 is the primary source normal source normal power source or normal Source 2 Source 2 is the secondary source emergency s...

Page 6: ...ation Once the top packaging is removed from the shipment the enclosure door can be opened A plastic bag of documents will be found in the enclosure usually attached to the inside of the enclosure Imp...

Page 7: ...ad 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 Figure 6 Typical P...

Page 8: ...ontroller contain the intelligence supervisory circuits that constantly moni tor the condition of the power sources It provides the intelli gence necessary for the operation of the ATS Figure 8 Figure...

Page 9: ...1800 Seconds 5 Source 2 Monitoring and Protection This feature provides monitoring and protection based on the Source 2 voltage and or frequency setpoints All fea ture 5 functions are Failsafe operati...

Page 10: ...Bypass Pushbutton This feature provides a way by pushing the Help and Step pushbutton simultaneously to bypass the TDNE Feature 1 and or TDEN Feature 2 time delays The Time Delay Bypass function when...

Page 11: ...and pickup unbalance settings minimum 2 differential Dropout is adjustable from 5 to 20 Pickup is adjustable from 3 to Dropout 2 A setpoint for user selectable time delay from 10 to 30 seconds is prov...

Page 12: ...60 Load 18W Ammeter A single ammeter is a true RMS sensing device that dis plays single phase current only The ammeter can be mounted on Source 1 Source 2 or load The meter can also be configured for...

Page 13: ...ion Cable entry holes are the responsibility of the customer ATS enclosures and all internal steel mounting plates such as the power panel mounting plate go through a pretreatment cleaning system prio...

Page 14: ...refully remove all packing material from the ATS at the mount ing location Even though an equipment inspection should have been made when the equipment was received make another careful inspection of...

Page 15: ...he unit to ensure that the conductors or cable insulation have not been damaged while being pulled into position Power cables are to be connected to solderless screw type lugs located on the ATS switc...

Page 16: ...e start connection information Use the proper wire size as listed by the generator set Genset manufacturer TRANSFER SWITCH AMPERE RATING WIRE SIZE RANGES NUMBER OF CABLES PER PHASE TERMINAL TEMPERATUR...

Page 17: ...3 4 5 J3 Phase C Phase B Phase A Source 1 Phase C Phase B Phase A Source 1 Phase C Phase B Phase A Source 2 Phase C Phase B Phase A Source 2 S1 Line S1 Neut S2 Line Control Power S2 Neut Clk In Out 5...

Page 18: ...d in a steel case mounted in the enclosure To change the voltage from the factory default 600 Vac follow the steps detailed below Step1 Loosen the six screws securing the cover of the Voltage Selectio...

Page 19: ...erting a small flathead screwdriver into the square tool hole with the flat surface of the screw driver against the back wall of the hole With a little bit of force push the screwdriver in on a slight...

Page 20: ...is desired connect the sources of power 9 Check for 120 Vac at J7 4 to J7 3 if Source 1 is available 10 Check for 120 Vac at J7 2 to J7 1 if Source 2 is available See the Troubleshooting Guide Table...

Page 21: ...blem Solving 6 1 Testing After the ATS equipment is initially installed or during planned outages the installation should be tested to ensure that all equip ment operates properly This attention to de...

Page 22: ...2 Problem Solving A basic problem solving effort is the first step to take prior to call ing for assistance Frequently the effort will successfully address most problems encountered The problem solvin...

Page 23: ...afety hazards or potential maintenance problems Inspect the area especially where switching device is installed for any safety hazards including personnel safety and fire hazards Exposure to certain c...

Page 24: ...2 200A Domestic Switch 480VAC 4 Pole Cat 68C8471G13 200A AG Switch up to 240VAC 2 Pole Cat 68C8471G01 200A AG Switch up to 240VAC 3 Pole Cat 68C8471G02 200A AG Switch up to 240VAC 4 Pole Cat 68C8471G0...

Page 25: ...y supply NN and Source 2 or generator supply EN Refer to Figure 21 for the loca tion of all parts discussed in this document Load cables MUST be connected and torqued BEFORE installing the SUPPLY cabl...

Page 26: ...e 26 Effective August 2010 ATC 300 2 Position Contactor Based Transfer Switch Figure 21 100A 3 Pole ATS Interior Components NORMAL SOURCE LOAD LUGS NEUTRAL CONNECTIONS MANUAL OPERATING HANDLE EMERGENC...

Page 27: ...em voltage ordered the display should work and the Source 1 Available white LED should light Figure 23 Using a voltmeter check for proper system voltage on Source 1 and load terminals Check all phases...

Page 28: ...word is 0300 Once all installation and testing is complete the Password should be changed by authorized personnel to a unique Password for the equipment After entering the password press the Step Ente...

Page 29: ...nt Exercise Go To Emergency TDES timer times out Send Engine Start signal Energize Gen Start relay Is Source 2 Available TDNE timer times out Open Source 1 Energize K2 Close Source 2 Energize K2 Sourc...

Page 30: ...e K1 Source 1 is powering the load Source 1 becomes unavailable or Go To Emergency Is Source 2 Available TDNE timer times out Open Source 1 Energize K2 Close Source 2 Energize K2 Source 2 is powering...

Page 31: ...4 Source 2 is powering the load Energize Alarm relay Yes No No Source 2 is powering the load Receive request to transfer to Source 2 or Engine Test Plant Exercise Go To Emergency TDES timer times out...

Page 32: ...requency 90 S2 UF DROP Hertz Source 2 Underfrequency Dropout Range Contactor Style ATS 2 position 90 to 97 of Nominal System Frequency 90 S1 UF PICK Hertz Source 1 Underfrequency Pickup Range Contacto...

Page 33: ...French or Spanish English CHANGE TIME DATE Set Time and Date Hours Set Hour 0 to 23 Eastern Standard Time MINUTES Set Minute 0 to 59 Eastern Standard Time WEEKDAY Set Weekday SUN MON TUE WED THU FRI o...

Page 34: ...ltmeter to check for correct system voltage on the load terminals of the ATS Check all phases on a 3 phase system Voltage measurements should be taken phase to phase and phase to neutral A load test w...

Page 35: ...389 486 80 96 166 176 192 304 332 384 480 79 95 164 174 190 300 328 379 474 78 94 162 172 187 296 324 374 468 77 92 160 169 185 293 320 370 462 76 91 158 167 182 289 315 365 456 75 90 156 165 180 285...

Page 36: ...433 473 547 684 113 136 235 249 271 429 469 542 678 112 134 233 246 269 426 465 538 672 111 133 231 244 266 422 461 533 666 110 132 229 242 264 418 457 528 660 Dropout 109 131 227 240 262 414 452 523...

Page 37: ...IB01602015E For more information visit www eaton com Instruction Booklet Effective August 2010 Page 37 ATC 300 2 Postion Contactor Based Transfer Switch Notes...

Page 38: ...For more information visit www eaton com IB01602015E Instruction Booklet Page 38 Effective August 2010 ATC 300 2 Position Contactor Based Transfer Switch Notes...

Page 39: ...IB01602015E For more information visit www eaton com Instruction Booklet Effective August 2010 Page 39 ATC 300 2 Postion Contactor Based Transfer Switch Notes...

Page 40: ...ON 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 speci...

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