O & M Manual for the EGS Metered, Service Entrance Automatic
Contents
1. Utility EN Neutral e f Figure 8 Power and Neutral Utility Cable Connection Locations Eaton Corporation www eatoncanada ca 1 Instruction Booklet IB0162063EN Effective January 2014 4 5 Generator amp Load Power Cable Connection AWARNING POWER CONDUCTORS MAY HAVE VOLTAGE PRESENT THAT CAN CAUSE SEVERE PERSONAL INJURY OR DEATH DE ENERGIZE ALL POWER OR CONTROL CIRCUIT CONDUCTORS TO BE CONNECTED TO THE ATS EQUIPMENT BEFORE BEGINNING TO WORK WITH THE CONDUCTORS AND OR TERMINATING THEM TO THE EQUIPMENT ACAUTION TO HELP PREVENT COMPONENT DAMAGE OR FUTURE MALFUNCTIONS USE EXTREME CARE TO KEEP CONTAMINANTS OUT OF THE ATS EQUIPMENT WHEN MAKING THE POWER CABLE CONNECTIONS Test all power cables prior to connection to the unit to ensure that the conductors or cable insulation has not been damaged while being pulled into position Power cables are to be connected to solderless screw type lugs located on the contactor assembly Verify that the lugs supplied will accommodate the power cables being used Also verify that the cables comply with all local electrical codes Standard ATS equip ment as supplied from the factory will accommodate the wire sizes shown in Table 3 Table 3 Wire Sizes for ATSs Transfer Switch Amp Rating 100 Contactor Lug Size Range 14 1 0 AWG Number of Cables per Phase 1 200 4 AWG 300 MCM 1 ACA2. Instruction Booklet IB0162063EN Effective January 2014 O amp M Manual for the EGS Metered Service Entrance Automatic Transfer Switch with Relay Control E T N Powering Business Worldwide Contents Description Page We Ma trodU ctlori 4 ere des 2 2 Receiving Handling and Storage 5 3 Equipment Description 5 4 Installation and Wiring 8 5 Functional 12 6 Adjustments tare bs RR ea 13 7 Maintenance and Component Replacement 14 Instruction Booklet IB0162063EN Effective January 2014 AWARNING READ AND UNDERSTAND THE INSTRUCTIONS CONTAINED HEREINAFTER BEFORE ATTEMPTING TO UNPACK ASSEMBLE OPERATE OR MAINTAIN THIS EQUIPMENT HAZARDOUS VOLTAGES ARE PRESENT INSIDE TRANSFER SWITCH ENCLOSURES THAT CAN CAUSE DEATH OR SEVERE PERSONAL INJURY FOLLOW PROPER INSTALLATION OPERATION AND MAINTENANCE PROCEDURES TO AVOID THESE VOLTAGES THE TRANSFER SWITCH EQUIPMENT COVERED BY THIS INSTRUCTION BOOK IS DESIGNED AND TESTED TO OPERATE WITHIN ITS NAMEPLATE RATINGS OPERATION OUTSIDE OF THESE RATINGS MAY CAUSE THE EQUIPMENT TO FAIL RESULTING IN DEATH SERIOUS BODILY INJURY AND OR PROPERTY DAMAGE ALL RESPONSIBLE PERSONNEL SHOULD LOCATE THE DOOR MOUNTED EQUIPMENT RATINGS LABEL AND BE FAMILIAR WITH THE INFORMATION PROVIDED ON THE LABEL A TYPICAL EQUIPMENT RATINGS LABEL IS SHOWN IN FIGURE 1 TN 3 SERVICE ENTRANCE RATED METERED A
3. Overheating will show as discoloration melting or blistering of the conductor insulation Connections that do not have signs of looseness or overheating should not be disturbed f Exercise the contactor if it is not often exercised while in operation This will permit the wiping action by the contacts If a switching device is used for frequent switching during normal operation this step can be disre garded g Return the transfer switch equipment to service Make certain all barriers are in place and the door is closed Re apply generator and utility power 1 Eaton Corporation www eatoncanada ca Manuel forthe EBS Metered nice Instruction Booklet IB0162063EN Entrance Automatic Transfer Switch with Relay Cantal Effective January 2014 IND1 UTILITY AVAILABLE IND2 UTILITY CONNECTED IND3 GENERATOR AVAILABLE IND4 GENERATOR CONNECTED v 5 z NUN O NEUTRAL z m IF4 IF3 O IF2 IF1 O O INDICATOR LIGHT POSITIONS ARE ORIENTED IN THEIR RESPECTIVE LOCATION WHEN VIEWED y lt FROM THE TOP uu x u REL7 aC UTILITY SENSING INPUT 194 23 LS TO GENERATOR 240VAC Figure 15 Wiring Diagram for the EGSC ATS Shown Connected to Utility Eaton Corporation www eatonc
4. Diagram of a Typical Installation 4 7 Generator Transfer Connection The generator transfer contact connection terminal blocks are locat ed beside the contactor near the side of the enclosure Note Prior to making the generator transfer connection to the ATS set the genera tor control selector switch to the OFF position to prevent an unwanted generator start Control wiring such as the generator transfer wires and utility sensing must be run in a separate conduit from the power cables Instruction Booklet IB0162063EN Effective January 2014 Use the proper wire size as listed by the generator set Genset manufacturer Generator Transfer Contacts Figure 12 Connection of the Generator Transfer Signal 23 194 4 8 Preliminary Checks After the ATS enclosure is installed and power cables are connected to the equipment thoroughly inspect the unit to ensure that no tools were left inside and that the cabinet is free of debris If necessary use a vacuum cleaner to remove any and all construction or installa tion debris from the equipment Read and understand all labels on the equipment Review and understand the wiring diagrams supplied with the equipment Note any optional accessories that may have been furnished with this unit and review their operation Verify that the phase to phase line voltages of both the utility and generator power sources are the same and that they match the rated voltage as indicated o
5. and remedies of any purchaser of this equipment is the contract between the purchaser and Eaton NO WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Eaton be respon sible to the purchaser or user in contract in tort including negli gence strict liability or otherwise for any special indirect incidental or consequential damage or loss whatsoever including but not limited to damage or loss of use of equipment plant or power sys tem cost of capital loss of power additional expenses in the use of existing power facilities or claims against the purchaser or user by its customers resulting from the use of the information recommen dations and description contained herein Eaton 1000 Eaton Boulevard Cleveland Ohio 44122 Canadian Operations 5050 Mainway Burlington ON L7L 5Z1 Canada 1 800 268 3578 EatonCanada ca 2014 Eaton Corporation A All Rights Reserved Eaton is a registered trademark Printed in Canada of Eaton Corporation m A Publication No 1 0162063 All trademarks are property of their Powering Business Worldwide January 2014 respective owners
6. defined Available A source is defined as available when it is within its undervoltage setpoint ranges for the nominal voltage setting Connected Connected is defined as when the input is shorted by an external contact or connection Failed or Fails A source is defined as failed when it is outside of the applicable voltage setpoint ranges for the nominal voltage and for a time exceeding 0 5 seconds after the time delay emergency fail TDEF time delays expires Failsafe Failsafe is a feature that prevents disconnection from the only avail able power source and also forces a transfer or re transfer operation to the only available power source Re Transfer Re transfer is defined as a change of the load connection from the Generator to the Utility Utility Utility is the primary source normal source normal power source or normal Generator Generator is the secondary source generator emergency source emergency power source emergency standby or backup source Utility Failed or Fails Utility is defined as failed when it is outside of its undervoltage setpoint ranges for the nominal voltage and frequency setting Generator Failed or Fails Generator is defined as failed when it is outside of its undervolt age underfrequency overfrequency if applicable setpoint ranges for the nominal voltage and frequency setting for a time exceeding 0 5 seconds after the Time Delay Emergency Fail TDEF time delay e
7. of equipment plant or power system cost of capital loss of power additional expenses in the use of existing power facilities or claims against the purchaser or user by its customers resulting from the use of the information and descriptions contained herein 1 1 2 Safety Precautions All safety codes standards and or regulations must be strictly observed in the installation application operation and maintenance of this device AWARNING THE WARNINGS AND CAUTIONS INCLUDED AS PART OF THE PROCEDURAL STEPS IN THIS DOCUMENT ARE FOR PERSONAL SAFETY AND PROTECTION OF EQUIPMENT FROM DAMAGE AN EXAMPLE OF A TYPICAL WARNING LABEL HEADING IS SHOWN ABOVE TO FAMILIARIZE PERSONNEL WITH THE STYLE OF PRESENTATION THIS WILL HELP TO ENSURE THAT PERSONNEL ARE ALERT TO WARNINGS WHICH APPEAR THROUGHOUT THE DOCUMENT IN ADDITION CAUTIONS ARE ALL UPPER CASE AND BOLDFACE ACAUTION READ AND UNDERSTAND THE MATERIAL PRESENTED IN THIS DOCUMENT BEFORE ATTEMPTING INSTALLATION APPLICATION OPERATION OR MAINTENANCE OF THE EQUIPMENT IN ADDITION ONLY QUALIFIED PERSONS SHOULD BE PERMITTED TO PERFORM ANY WORK ASSOCIATED WITH THE EQUIPMENT ANY WIRING INSTRUCTIONS PRESENTED IN THIS DOCUMENT MUST BE FOLLOWED PRECISELY FAILURE TO DO SO COULD CAUSE PERMANENT EQUIPMENT DAMAGE A M Manual for the EGS Metered Serie Entrance Automatic Transfer Switch with Relay Conta 1 2 General Information ATSs are used to protect critical electrical loads against loss o
8. on top of an ATS equipment enclosure whether packaged or not Instruction Booklet IB0162063EN Effective January 2014 Section 3 Equipment Description 3 1 Introduction The Eaton metered service entrance rated ATS is assembled and tested at the factory It is designed to be used in conjunction with standby power distribution equipment to provide an alternate source of power to critical circuits in the event that the primary power Source is interrupted This ATS monitors both utility and generator power sources and automatically transfers critical load circuits between the two sourc es depending on which source is available The utility power source is preferred and will remain connected to the switch if it is available 3 2 Meter Socket and Service Disconnect The meter socket section of the ATS is used for making the primary utility power and neutral connections Factory cabling from the load side of the meter jaws carrys utility power to the circuit breaker Service disconnect and on to the utility lugs of the power contactor assembly Figure 6 3 2 1 Main Contacts 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 simultane ously Figure 4 Typical 100 Ampere Interior Assembly Eaton Corporation www eatoncanada c
9. panel to ensure the generator does not iniate a start during this phase of the preliminary check Open the generator power source circuit breaker located on the generator assembly Close the service entrance disconnect circuit breaker in the switch to connect the ATS to the utility power source voltage If the ATS unit is not already in the UTILITY position and the voltage is acceptable the solenoid will engage and the contactor will automatically switch to the UTILITY position Step 3 AWARNING CONTACT WITH ENERGIZED COMPONENTS WILL CAUSE ELECTRICAL SHOCK CAPABLE OF PRODUCING SEVERE PERSONAL INJURY OR DEATH USE EXTREME CAUTION TO AVOID CONTACT WITH ENERGIZED COMPONENTS WHEN USING A METER FOR VOLTAGE CHECKS Step 4 Replace the control fuse in the generator control panel removed in Step 2 of Section 5 2 Position the generator control selector switch located on the standby generator to the AUTOSTART position It may also be labeled REMOTE START or AUTO Close the generator power source circuit breaker opened in Step 2 of Section 5 2 Eaton Corporation www eatoncanada ca CM Manual forthe EGS Metered Senice Entrance Automatic Transfer Switch with Relay Control 5 3 Operational Checks Step 1 Open the service entrance disconnect circuit breaker originally closed in Step 3 of Section 5 2 NOTICE THIS WILL SIMULATE AN INTERRUPTION OF THE UTILITY POWER SOURCE Step 2 After a time delay based on the generator settin
10. IFI REGULIEREMENT SELON UN CALENDRIER ACCEPTABLE AUX AUTORIT S COMPETENTES AYANT LA RESPONSABILITE DE LA MAINTENANCE ET DU FONCTIONNEMENT CONTINU TESTING OF AUTOMATIC TRANSFER SWITCH TURN THE MAIN SERVICE DISCONNECT DEVICE TO THE OFF POSITION THE AUTOMATIC SEQUENCE WILL FOLLOW TO GO BACK TO UTILITY POWER TURN THE MAIN SERVICE DISCONNECT DEVICE TO THE ON POSITION ESSAI DU COMMUTATEUR AUTOMATIQUE METTRE LE SECTIONNEUR PRINCIPAL A OFF LA SEQUENCE AUTOMATIQUE ENUMEREE SUIVRA POUR REVENIR A L ALIMENTATION DES SERVICES PUBLICS METTRE LE SECTIONNEUR PRINCIPAL A ON CONNECT FUSE OR CIRCUIT BREAKER PROTECTED STANDBY GENERATOR GENERATOR CONTROL CIRCUIT WIRING MUST BE ENCLOSED IN CONDUIT CONNECTER LA G N RATRICE D URGENCE PROT G E PAR UN FUSIBLE OU UN DISJONCTEUR LE CABLAGE DU CIRCUIT DE COMMANDE DE LA GENERATRICE DOIT ETRE CONTENU DANS DES CONDUITS TERMINAL CUAL TORQUE BORNES COUPLE 14 10 20 2 26 iin ni seem _ 3 1 0 45 5 08 GROUND BAR 4 6 4 45 5 08 BARRE DE MISE LA TERRE 4 2 0 50 5 64 TORQUE LBN Nm Figure 1 Typical Service Entrance Rated Metered Automatic Transfer Switch Ratings Label All possible contingencies that may arise during installation opera tion or maintenance and all details and variations of this equip ment do not purport to be covered by these instructions If further information is required by the purchaser regarding a particular instal latio
11. O MANUALLY TRANSFER DISCONNECT THE LINE POWER FROM THE EQUIPMENT BEING SERVICED BY OPENING AND LOCKING OUT IF POSSIBLE THE NEXT HIGHEST DISCONNECT DEVICE FAILURE TO FOLLOW THIS PROCEDURE COULD CAUSE SEVERE PERSONAL INJURY AND OR DEATH Figure 14 ATS Manual Operating Handle ALWAYS TURN THE UTILITY POWER OFF AND TURN THE GENERATOR IF A GENERATOR CONTROL SELECTOR SWITCH TO THE OFF POSITION BEFORE ATTEMPTING A MANUAL TRANSFER AWARNING INSURE THE DEADFRONT IS INSTALLED PRIOR TO ENERGIZING THE TRANSFER SWITCH To Manually Operate Step 1 Disconnect all sources of power 2 Locate the manual lever between the solenoids ep3 Locate the handle used to manually transfer the switch ep4 Attach the handle to the manual lever ep5 the lever up to go to utility or move the lever down to go to generator Step 6 Reconnect the power Figure 13 ATS Manual Operating Lever Eaton Corporation www eatoncanada ca Instruction Booklet IB0162063EN Effective January 2014 Section 7 Maintenance and Component Replacement 7 1 Introduction AWARNING HIGH VOLTAGES ARE PRESENT IN AND AROUND TRANSFER SWITCH EQUIPMENT BEFORE INSPECTING OR MAINTAINING THIS EQUIPMENT DISCONNECT THE LINE POWER FROM THE EQUIPMENT BEING SERVICED BY OPENING AND LOCKING OUT IF POSSIBLE THE NEXT HIGHEST DISCONNECT DEVICE FAILURE TO FOLLOW THIS PROCEDURE COULD CAUSE SEVERE PERSONAL INJURY AND OR DEATH In general AT
12. S equipment is designed to be relatively maintenance free under normal usage However because of the variability of application conditions and the importance placed on dependable operation by this type of equipment inspection and maintenance checks should be made on a regularly scheduled basis Since equip ment maintenance will consist mainly of keeping the equipment clean the frequency of maintenance will depend to a large extent on the cleanliness of its surroundings If a significant amount of dust or foreign matter is present a more frequent maintenance schedule should be followed It is suggested that visual inspections of the equipment be made on a regular basis not just during regularly scheduled periods Always be alert for an accumulation of dirt in and around the structure loose parts and or hardware cracks and or discoloration to insulation and damaged or discolored components Figure 16 is the wiring diagram for the EGS ATS switch Note Only qualified and experienced personnel should attempt any diagnostic work using this diagram 7 2 Procedures A suggested maintenance procedure to be followed is outlined in Table 4 Table 4 Recommended Periodic Maintenance Procedures CM Manual for the ECS Metered Senice Entrance Automatic Transfer Switch with Relay Control Step Action a Make the transfer switch equipment safe for inspection and or maintenance Disconnect the line power from the equipment being ser
13. SOURCE 1 POWER OFF AND TURN THE GENERATOR SOURCE 2 CONTROL SELECTOR SWITCH TO THE OFF POSITION BEFORE ATTEMPTING TO REPLACE ANY COMPONENTS NOTICE APPLY UTILITY SOURCE 1 POWER AND PLACE THE GENERATOR CON TROL SELECTOR SWITCH IN THE AUTO POSITION AFTER THE COMPO NENT HAS BEEN REPLACED TEST THE SYSTEM FOR PROPER FUNCTION ALITY 7 5 Troubleshooting Table 6 contains troubleshooting information for the EGS ATS If a problem still exists after completing the troubleshooting procedures contact an authorized Eaton sales representative Table 6 Troubleshooting Chart Instruction Booklet IB0162063EN Effective January 2014 Problem Cause The automatic transfer switch does not transfer to the generator 1 The generator breaker is open 2 The generator voltage is not acceptable Correction 1 Reset the generator circuit breaker 2 Refer to the generator User s Manual The automatic transfer switch does not transfer to the utility 1 The service disconnect breaker is open 2 The utility voltage is not acceptable 1 Reset the service disconnect breaker 2 Wait for the utility voltage to return to normal The generator is still running after the transfer switch transfers to the utility Engine cool down period The engine should stop after the cool down Eaton Corporation www eatoncanada ca Instruction Booklet IB0162063EN CM Manual for the EGS Metered Senice Entran
14. UTILITY AND GENERATOR LINE VOLTAGES OPERATING THE EQUIPMENT ON IMPROPER VOLTAGE CAN CAUSE EQUIPMENT DAMAGE OM Manual for the EGS Metered Serice Entrance Automatic Transfer Switch with Relay Conta 4 7 Installation In a typical installation see Figure 11 the generator 2 and util ity power connect to the metered ATS 1 Power from the utility or the generator 2 is fed to the main circuit breaker panel from the ATS 1 The circuit breaker in the metered ATS is the service entrance disconnect for the installation When the utility power fails the Generator will sense the failure the generator will start and when sufficient generator voltage is avail able the ATS will switch All loads will receive power from the gen erator When utility power returns the ATS will switch all power back to the utility source and the generator will shut down after its defined cooled down period Al Metered SE Main ransfer Breaker Switch Panel Control Wiring Power Eu Generator Figure 10 Typical Installation of a Residential ATS Utility Metered Transfer Switch Circuit Generator Source 1 Breaker Source 2 gt gt Q o Oo 0 lt lt Watt Hour Circuit Meter Breaker Main pO o Breaker Panel oO o oo o Household Loads Lamp LO Oo o 4 LO O Figure 11 One Line
15. UTION IMPROPER POWER CABLE CONNECTIONS CAN CAUSE EXCESSIVE HEAT AND SUBSEQUENT EQUIPMENT FAILURE Note Tighten the cable lugs to the torque identified on the label affixed to the unit s door Connect cables as follows see Figure 10 and Tahle 3 The generator power cables to the generator lugs on the contac tor assembly The load power cables to the load lugs on the contactor assem bly The generator neutral cable to the generator neutral lug on the neutral bar assembly The load neutral cable to the load neutral lug on the neutral bar asssembly The generator and load ground cable to the generator and load ground lugs on the ground bar assembly AWARNING FAILURE TO PROPERLY CONNECT THIS TRANSFER SWITCH PER NFPA 70 THE NATIONAL ELECTRIC CODE MAY RESULT IN PRODUCT FAILURE FIRE LOSS OF PROPERTY LOSS OF LIFE ETC Eaton Corporation www eatoncanada ca CM Manual forthe ECS Metered Senice Entrance Automatic Transfer Switch with Rela Control Generator amp Load Neutral Figure 9 Generator amp Load Power Cable Connection Locations 4 6 Wiring AWARNING POWER CONDUCTORS AND CONTROL WIRING MAY HAVE VOLTAGE PRESENT THAT CAN CAUSE SEVERE PERSONAL INJURY OR DEATH DE ENERGIZE ALL POWER OR CONTROL CIRCUIT CONDUCTORS BEFORE BEGINNING TO PERFORM ANY WIRING ACTIVITY TO OR WITHIN THE ATS EQUIPMENT ACAUTION CHECK THE ATS EQUIPMENT NAMEPLATE FOR RATED VOLTAGE IT SHOULD BE THE SAME AS THE
16. UTOMATIC TRANSFER SWITCH COMMUTATEUR AUTOMATIQUE HOMOLOGUE POUR LE BRANCHEMENT AVEC APPAREIL DE MESURE CSA ENCLOSURE TYPE NEMA 3R BOITIER CSA TYPE NEMA 3R RATED CURRENT COURANT NOMINAL 1100 AMP C1200 THIS TRANSFER SWITCH IS CSA APPROVED COMMUTATEUR AUTOMATIQUE EST HOMOLOGUE CSA RATED VOLTAGE TENSION NOMINALE 240VAC WHEN USED WITH 100 OR 200 AMPERE MAXIMUM TYPE BWH OR CSR TYPE CIRCUIT BREAKER THIS SWITCH IS SUITABLE FOR WITHSTANDING AN AVAILABLE FAULT CURRENT OF 10 000 RMS SYMMETRICAL AMPERES 240 VOLTS MAXIMUM SUITABLE FOR USE AS SERVICE ENTRANCE EQUIPMENT LORSQUE UTILIS AVEC UN DISJONCTEUR DE TYPE BWH OU CSR DE 100 OU 200 A MAXIMUM CE COMMUTATEUR PEUT SUPPORTER UN COURANT DE D FAUT DE 10 000 A SYM TRIQUES EFFICACES 240 V MAXIMUM CONVIENT POUR UTILISATION COMME APPAREIL DE BRANCHEMENT MUST BE USED WITH AN UNBONDED GENERATOR ONLY DOIT ETRE UTILIS AVEC UNE GENERATRICE NON MISE ALA MASSE SEULEMENT THE TUNGSTEN LOAD DOES NOT EXCEED 30 PERCENT OF THE SWITCH RATING LA CHARGE TUNGSTENE N EXC DE PAS 30 DE LA VALEUR NOMINALE DU COMMUTATEUR FOR COMPLETE DETAILS PLEASE REFER TO EATON O amp M MANUAL 18016020196 FOR THE ATC100 CONTROLLER POUR PLUS DE RENSEIGNEMENTS SUR LE CONTR LEUR ATC100 CONSULTEZ LE MANUEL MEO 801602019 D EATON SYSTEM SHALL BE TESTED PERIODICALLY ON A SCHEDULE ACCEPTABLE TO THE AUTHORITY HAVING JURISDICTION TO ENSURE PROPER MAINTENANCE AND OPERATION AT ALL TIMES LE SYST ME DOIT ETRE V R
17. a j Instruction Booklet IB0162063EN Effective January 2014 3 5 Standards Eaton ATSs are available to meet NFPA 110 for standby power sys tems Eaton ATS equipment are listed for application by CSA In addition Eaton ATSs are listed in the Legacy File LR96245 Master Contract 163545 by Canadian Standards Association under Standard 22 2 3178 1978 Section 4 Installation and Wiring 4 1 General Eaton ATSs are factory wired and tested Installation requires solidly mounting the enclosed unit and connecting the power cables and the auxiliary sensing circuits Physical mounting procedures and power cable connections are covered in this section Once a transfer switch is properly installed and wired it should be mechanically and electrically checked for proper installation and operation The procedures for these initial mechanical and electrical checks are outlined in Section 5 of this manual AWARNING BE CERTAIN THAT THE DEADFRONT IS PROPERLY INSTALLED BEFORE THE TRANSFER SWITCH EQUIPMENT IS PUT INTO SERVICE THE DEADFRONT PROVIDES PROTECTION FROM DANGEROUS VOLTAGES AT THE LINE AND LOAD TERMINALS WHEN THE EQUIPMENT IS IN OPERATION FAILURE TO DO SO COULD RESULT IN PERSONAL INJURY OR DEATH 4 2 Mounting Location Choose a location that offers a flat rigid mounting surface capable of supporting the weight of the enclosed ATS equipment Protect the transfer switch at all times against excessive moisture dust dirt lint and co
18. anada ca 1 Instruction Booklet IB0162063EN DA M Manual for the ECS Metered Senice Effect Entrance Automatic Transfer Sch with Relay Control ective January 2014 7 3 Maintenance Log Date Action Example 01 01 12 Inspected and cleaned M Eaton Corporation www eatoncanada ca OM Manual for the EGS Metered Serice Entrance Automatic Transfer Switch with Relay Conta 7 4 Component Replacement Certain components within the ATS are field replaceable Table 5 lists the part numbers to use when ordering replacement compo nents To order replacement components contact an authorized Eaton Sales Representative Table 5 Field Replaceable Components Component Part Number ATS Model Contactor 99 5638 100A Contactor 99 5702 200A Harness EGS CE22363H01 100 200 A Service Entrance Breaker CSR2100 amp MCBK225 100A Service Entrance Breaker CSR2200 amp MCBK225 200A Locking Hasp 99 2512 5 100 200A AWARNING HIGH VOLTAGES ARE PRESENT IN AND AROUND TRANSFER SWITCH EQUIPMENT BEFORE ATTEMPTING TO REPLACE ANY COMPONENT DISCONNECT THE LINE POWER FROM THE EQUIPMENT BEING SERVICED BY OPENING AND LOCKING OUT IF POSSIBLE THE NEXT HIGHEST DISCONNECT DEVICE FAILURE TO FOLLOW THIS PROCEDURE COULD CAUSE SEVERE PERSONAL INJURY AND OR DEATH ALWAYS TURN THE UTILITY
19. and disconnect the load to and from the source of power 2 Solenoids to make the transfer of the main contacts from source to source 3 Intelligence supervisory circuits to constantly monitor the condi tion of the power sources and thus provide the intelligence nec essary for the switch and related circuit operation 1 2 1 Design Configuration Instruction Booklet IB0162063EN Effective January 2014 The Eaton Metered Service Entrance Rated Automatic Transfer Switch is a rugged compact design that combines a meter socket service entrance rated disconnect and ATS all in a single enclosure The design provides for both top or bottom entry service cabling to the meter socket A factory wired 100 or 200A circuit breaker provides a Canadian approved service entrance rated disconnect means The ATS is controlled by an Eaton relay controller and uti lizes power contactors to transfer essential loads from one power Source to another see Figure 3 The switch s design uses suitable mechanical and electrical interlock switches to eliminate the possibil ity of connecting the utility service to the generator output In addi tion a manual override lever is provided for the transfer function AWARNING DO NOT MANUALLY TRANSFER THE SWITCH WHILE UNDER LOAD Figure 3 EGSC100AMSE 100 A Eaton Corporation www eatoncanada ca 1 Instruction Booklet IB0162063EN Effective January 2014 The benefits of the SE configuration are C
20. ce Automatic Transfer Switch with Relay Control Effective January 2014 2 2 2 Hub Openings 7 81 198mm k 36 19 LL 2 114 112 2 2 5 749mm Concentric Knockouts One Per Side 4 69 119mm Y Y 3 15 114 1 2 215 1 34 1 2 10 1 1 Concentric Knockouts 18 04 458mm 2 36 60mm 7 25 184mm Figure 16 Dimensions and Plan View of a Service Entrance EGS in 200A lh Eaton Corporation www eatoncanada ca Manuel forthe EBS Metered nice Instruction Booklet IB0162063EN Entrance Automatic Transfer Switch with Relay Conta Effective January 2014 Notes Eaton Corporation www eatoncanada ca 1 Instruction Booklet IB0162063EN 0 amp M Manual for the EGS Metered Service Effective January 2014 Entrance Automatic Transfer Switch with Relay Control This instruction booklet is published solely for information purposes and should not be considered all inclusive If further information is required you should consult an authorized Eaton sales representa tive The sale of the product shown in this literature is subject to the terms and conditions outlined in appropriate Eaton selling policies or other contractual agreement between the parties This literature is not intended to and does not enlarge or add to any such contract The sole source governing the rights
21. ed blanking plates must be installed to cover the access holes into the metering section In an underground service entrance installation the unused wireway may be removed provided the supplied blanking plate is installed to cover the access hole i Eaton Corporation www eatoncanada ca CM Manual for the ECS Metered Senice Entrance Automatic Transfer Switch with Relay Control For an underground service installation the wireway being used is removed only to enable the installation of the conduit adapter for the service cable NOTE The wireway must be re installed prior to feeding the cable through the passage The wireway can not be installed over cable that has been pre run run through the passage nor can it be removed once the cable has been run through the wireway 4 3 1 Removing The Underground Service Entrance Wireway Remove the underground serice entrance wireway as fo los Remove the enclosure door dead front and metering section cov ers Locate and remove the screw and L shaped bracket at the top of the wireway that spans the metering section barrier See Figure 6 Locate and remove the screw in the retaining tab built into the back edge of the wireway The tab is found in the lower section of the enclosure just below the metering section barrier See Figure 7 With the wireway now free to move slide the wireway upwards into the metering section far enough for the sealing tab on the bottom edge of the wir
22. eway to clear the slot it was sitting in See Figure 8 Rotate the bottom end of the wireway inwards towards the cen ter of the enclosure At the same begin lifting the bottom end of the wireway away from the back of the enclosure until it will clear the enclosure s bottom edge See Figure 8 Pull downwards and remove Figure 5 Location of wireway L retaining brackets Retaining Bracket OM Manual for the EGS Metered Service Entrance Automatic Transfer Switch with Relay Control OTI O 2 n S O E 5 Q Figure 6 Location of wireway retaining tabs Figure 7 Removing the wireway 4 4 Utility Power Cable Connection WARNING POWER CONDUCTORS MAY HAVE VOLTAGE PRESENT THAT CAN CAUSE SEVERE PERSONAL INJURY OR DEATH DE ENERGIZE ALL POWER OR CONTROL CIRCUIT CONDUCTORS TO BE CONNECTED TO THE ATS EQUIPMENT BEFORE BEGINNING TO WORK WITH THE CONDUCTORS AND OR TERMINATING THEM TO THE EQUIPMENT ACAUTION TO HELP PREVENT COMPONENT DAMAGE OR FUTURE MALFUNCTIONS USE EXTREME CARE TO KEEP CONTAMINANTS OUT OF THE ATS EQUIPMENT WHEN MAKING THE POWER CABLE CONNECTIONS Test all power cables prior to connection to the unit to ensure that
23. f power The load s utility power source is backed up by a generator power source An ATS is connected to both the utility and generator power sources and supplies the load with power from one of these two sources In the event that power is lost from the utility power source the ATS transfers the load to the generator power source Once the utility power is restored the load is automatically trans ferred back to the utility power source Figure 2 Generator Utility Load Figure 2 Typical Load Transfer Switch Contactor Schematic An intelligence system initiates the transfer when the utility power source fails or falls below a preset voltage An engine start is then initiated by the generator and the ATS transfers to the generator power source when sufficient generator voltage is available When the utility power source is restored the ATS automatically transfers back and the generator will shut down after a time delay In the event the utility power source fails and the generator power source does not appear the ATS remains connected to the utility power source until the generator power source does appear Conversely if connected to the generator power source and the generator power source fails while the utility power source is still unavailable the ATS remains connected to the generator power source ATSs automatically perform the transfer function and include three basic elements 1 Main contacts to connect
24. gs the standby gen erator engine will start Step 3 Using a voltmeter measure the line to line and line to neutral voltages across the generator line terminals to ensure that the generator emergency voltage is correct If necessary make adjustments to the voltage regulator on the generator according to the manufacturer s recommendations to correct any voltage deviations The ATS will only respond to the correct voltage from the generator power source Step 4 The ATS Time Delay Normal Utility to Emergency Generator TDNE will begin to time after the generator engine begins to run After time out the solenoid will engage and the contactor will automati cally switch from the UTILITY to the GENERATOR position Step 5 Close the service entrance disconnect circuit breaker described in Step 3 of Section 5 2 Step 7 The ATS Time Delay Emergency Generator to Normal Utility TDEN timer will begin timing and the solenoid will engage and automati cally switch from the GENERATOR to the UTILITY position and the generator will shut down after a cool down period Manuel forthe EBS Metered aie Instruction Booklet IB0162063EN Entrance Automatic Transfer Switch with Relay Control Effective January 2014 5 4 Manual Operation AWARNING DO NOT ATTEMPT TO MANUALLY OPERATE THE ATS WITH THE UTILITY OR GENERATOR AVAILABLE AWARNING HIGH VOLTAGES ARE PRESENT IN AND AROUND TRANSFER SWITCH EQUIPMENT BEFORE ATTEMPTING T
25. n application or maintenance activity please contact an autho rized Eaton sales representative or the installing contractor 1 Eaton Corporation www eatoncanada ca CM Manual for the ECS Metered Senice Entrance Automatic Transfer Switch with Relay Control Section 1 Introduction 1 1 Preliminary Comments and Safety Precautions This technical document is intended to cover most aspects associ ated with the installation application operation and maintenance of the Automatic Transfer Switch ATS It is provided as a guide for authorized and qualified personnel only Please refer to the specific WARNING and CAUTION in Section 1 1 2 before proceeding If fur ther information is required by the purchaser regarding a particular 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 or implied including warranties of fitness for a particular purpose of merchantability or warranties arising from course of dealing or usage of trade are made regarding the informa tion 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 spe cial indirect incidental or consequential damage or loss whatsoev er including but not limited to damage or loss of use
26. n the ATS ratings label ACAUTION SEVERE EQUIPMENT DAMAGE CAN RESULT IF THE UNIT IS NOT APPLIED AT PROPER VOLTAGE DO NOT ENERGIZE THE EQUIPMENT IF THE SUPPLY VOLTAGES DO NOT MATCH EQUIPMENT RATINGS LABEL Eaton Corporation www eatoncanada ca 1 Instruction Booklet IB0162063EN Effective January 2014 4 9 Protection For Catalogue EGSC100AMSE and EGSC200AMSE This switch is equipped with integral over current protection Continuous load current not to exceed 80 percent of switch rating This Transfer Switch is rated for use on a circuit capable of deliver ing not more than 10 000 rms symmetrical amperes 240 volts maxi mum Section 5 Functional Testing AWARNING YOU ARE READY TO ENERGIZE THE EQUIPMENT VOLTAGES WITHIN THE ENCLOSURE ARE CAPABLE OF CAUSING SEVERE PERSONAL INJURY OR DEATH USE EXTREME CAUTION TO AVOID CONTACT WITH ENERGIZED EQUIPMENT 5 1 Preliminary Checks Check all loads connected to the ATS to ensure that they are ready to be energized 5 2 Energize the Switch Step 1 Step 1 With the service entrance barrier removed use a voltmeter to mea sure the line to line and the line to neutral voltages on the line side of the circuit breaker Confirm the utility voltage is correct then replace the service entrance barrier Step 2 Ensure the generator control selector switch located on the standby generator is set to the OFF position If so equiped remove the control fuse from the generator control
27. ombined service disconnect and over current protection in the ATS reduces the overall equipment and installation costs Fewer components and power connections reduce maintenance requirements 1 3 Transfer Switch Catalogue Number Identification ATS equipment catalogue numbers provide a significant amount of relevant information pertaining to a specific piece of equipment The Catalogue Number Identification Table see Table 1 provides the required interpretation information Table 1 ATS Catalogue Numbering System E GSC 200A M SE Manufacturer Type Ampere Metering Service Eaton Generator Rating Entrance Switch 100A 100A Metered Canadian with 200A 200A Service Entrance Relay Approved 1 4 Environmental and Operational Conditions Normally an ATS is applied indoors in an electrical equipment room It can also be used for normal outdoor applications with standard type 3R enclosure where the equipment is subject to falling rain freezing temperatures and 95 humidity non condensing The ambient temperature range for operation is between 20 and 70 C 4 and 158 F 1 Eaton Corporation www eatoncanada ca CM Manual for the ECS Metered Senice Entrance Automatic Transfer Switch with Relay Control 1 5 Glossary With respect to their use within this document and as they relate to transfer switch and controller operation the following terminology is
28. other shipping paper information Each ATS enclosure is packaged in its own box Do not discard the packing material until the equipment is ready for installation Once the packaging is removed from the shipment the enclosure door can be opened A plastic bag of documents will be found in the enclosure Important documents such as wiring diagrams and appropriate instruction leaflets are enclosed within the bag and should be filed in a safe place 2 2 Handling As previously mentioned ATS equipment is packaged in its own box Protect the equipment from impact at all times and do not double stack Once the equipment is at the installation site and ready to be installed the packaging material can be removed Refer to Section 4 of this manual for specific installation instructions 2 3 Storage Although well packaged this equipment is not suitable for outdoor storage The equipment warranty will not be applicable if there is evidence of outdoor storage If the equipment is to be stored indoors for any period of time it should be stored with its protec tive packaging material in place Protect the equipment at all times from excessive moisture construction dirt corrosive conditions and other contaminants It is strongly suggested that the package protected equipment be stored in a climate controlled environment of 20 to 70 C 4 to 158 F with a relative humidity of 80 or less Do not under any circumstance stack other equipment
29. rrosive vapours Check to ensure there are no pipes wires or other mounting hazards in the immediate mounting area that could create a problem Carefully remove all packing material from the ATS enclosure at the installation site Even though an equipment inspection was per formed when the equipment was received make another careful inspection of the enclosure and the ATS mechanism as the packing material is removed and the enclosure readied for mounting Be especially alert for distorted metal loose wires or damaged compo nents 4 3 Overhead Underground Service Cable Entrance The Eaton metered service entrance rated ATS will accomodate either an overhead service cable entrance configuration or an under ground one Twin 2 72 hub openings on the top of the enclosure will accept a standard Myers type hub The assembly ships with removable hub closure plates installed over these openings For underground service entrance installations the ATS comes equipped with twin wireways These provide proper protection of the live service cables as they pass through to the utility cable ter mination point of the enclosure Bracketing and fasteners located within meter socket section prevent removal of the wireways with out first removing the metering section cover See Figure 6 In the case of an overhead service entrance installation the wire ways may be removed to provide additional working space in the enclosure Once removed the suppli
30. the conductors or cable insulation has not been damaged while being pulled into position Power cables are to be connected to solderless screw type lugs located on the meter socket jaw assembly Verify that the lugs sup plied will accommodate the power cables being used Also verify that the cables comply with all local electrical codes Standard ATS equipment as supplied from the factory will accommodate the wire sizes shown in Table 2 Instruction Booklet IB0162063EN Effective January 2014 Table 2 Wire Sizes for ATSs Transfer Switch Meter Socket Lug Number of Cables Amp Rating Size Range per Phase 100 6 AWG 250 MCM 1 200 6 AWG 250 MCM 1 Carefully strip the insulation from the power cables to avoid nicking or ringing of the conductor strands Prepare the stripped conductor termination end by cleaning it with a wire brush If aluminum con ductors are used apply an appropriate joint compound to the clean conductor surface area ACAUTION IMPROPER POWER CABLE CONNECTIONS CAN CAUSE EXCESSIVE HEAT AND SUBSEQUENT EQUIPMENT FAILURE Note Tighten the cable lugs to the torque identified on the label affixed to the unit s door Connect cables as follows see Figure 9 and Table 2 The utility power cables to the utility lugs on the meter socket jaw assembly The utility neutral cable to the utility neutral lug on the meter socket Jaw assembly tility Line Lugs
31. viced by opening next highest disconnect device Make certain that any accessory control power is switched off b Inspect the structure area for safety hazards or potential maintenance problems nspect the area especially where the contactor is installed for any safety hazards including per sonal safety and fire hazards Exposure to certain chemical vapors can cause deterioration of the electrical connections nspect for accumulated dirt loose hardware or physical damage Examine the primary insulation for evidence of cracking or overheating Overheating will show as discoloration melting or blistering of the conductor insulation or as pitting or melting of the conduc or surfaces due to arcing nspect the secondary control connections for damage and control wiring for insulation integrity c Inspect the contactor for dust dirt soot grease moisture or corrosion Remove dust dirt soot grease moisture and corrosion contamination from the surface of the switch ing device using a dry soft lint free cloth dry soft bristle brush and vacuum cleaner Do not blow debris into the contactor If contamination is found look for the source and fix the problem d Check for material integrity uneven wear discoloration or loose hardware Severe material cracking will require replacement and loose hardware will need to be tightened e Check the terminals and connectors for looseness or signs of overheating
32. xpires Transfer Transfer is defined as a change of the load connection from the Utility to the Generator power source Unconnected Unconnected is defined as when the input is not shorted by an external contact or connection OM Manual for the EGS Metered Serice Entrance Automatic Transfer Switch with Relay Control Section 2 Receiving Handling and Storage 2 1 Receiving Every effort is made to ensure that the ATS equipment arrives at its destination undamaged and ready for installation The packing is designed to protect the internal components as well as the enclo sure Care should be exercised however to protect the equipment from impact at all times Do not remove the protective packag ing until the equipment is at the installation site and ready to be installed When the ATS equipment reaches its destination the customer should inspect the shipping container for any obvious signs of rough handling and or external damage that occurred during transporta tion Record any external and internal damage for reporting to the transportation carrier and to the Eaton sales representative once a thorough inspection is complete All claims should be as specific as possible and include the Shop Order and General Order numbers A shipping label affixed to the shipping container includes a variety of equipment and customer information such as General Order and catalogue numbers Make certain that this information matches the
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