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Eaton Electrical Magnum Transfer Switch User's Manual

1. 3 Actual location of transfer switch type of facility address etc 4 Company name 5 Name and position of individual representing company 6 Basic description of situation as it exists and 7 Any results of problem solving steps taken and or readings taken 8 2 1 Transfer Switch Appears Inoperative Step 1 Verify that all plugs and sockets are properly intercon nected Step 2 Verify that the correct system voltage appears at Source 1 switch Measure the voltage at the breaker lugs Step 3 Verify that the voltage selection plug is in the proper posi tion to match the system voltage Step 4 Look for any obviously burned components Determine the cause and rectify if possible Replace any defective components after the cause is determined Step 5 For closed transition refer to Figure 25 for manual oper ating instructions Verify whether or not the system volt age now appears on the load terminals If YES Check the logic for problems in the respective logic instruction book If NO Check all power connections and the switching mechanism Step 5 For open transition press the Push To Close button on the Source 1 switching device Verify whether or not the system voltage now appears on the load terminals If YES Check the logic for problems in the respective logic instruction book If NO Check all power connections and the switching mechanism 8 2 2 Transfer Switch Will Not Automatical
2. Pickup x In Time Program Phase Ground I I I RMS Amperes Settings Test Time Trip Cause Test Program Test Pickup x In Instantaneous Short Delay Amp Demand I Cutler Hammer Phase Phase Phase Phase Ground Digitrip 3000 Operatio High Commun Time Overcurrent Curve Shape Pickup x In Time Multiplier Time Program Phase Ground RMS Settings Test Time Trip Cause Short Delay 5 Source 1 6 IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 29 Fixed and Drawout Magnum Transfer Switches 7 4 Manual Operation When in Bypass Mode 7 4 1 Source 1 Bypass to Source 2 Bypass When the transfer switch is set to Source 1 bypass it can be transferred to Source 2 bypass by the following sequence 1 Move the generator selector switch to the RUN position 2 Open the Source 1 bypass switching device The Source 1 bypass light will no longer be illuminated 3 Close the Source 2 bypass switching device manually and the Source 2 bypass light will illuminate 7 4 2 Source 2 Bypass to Source 1 Bypass When the transfer switch is set to Source 2 bypass it can be transferred to the Source 1 bypass switching device by the follow ing sequence 1 Open the Source 2 bypass switching device and the Source 2 bypass light will no longer be illuminated 2 Close the Source 1 bypass switching device manually
3. TACT ARRANGEMENT OVERLAPPING CONTACTS MISUSE CAN RESULT IN DEATH SEVERE PERSONAL INJURY AND OR PROPERTY DAMAGE IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 21 Fixed and Drawout Magnum Transfer Switches Figure 24 Close Switch by Pushing Close Button 5 2 Automatic Transfer Switch The operating sequence of an ATS is dictated by the switch s standard features and selected options Operation of an ATS dur ing Source 1 power source failure Source 1 power source restora tion and testing is described in the associated Controller Instruction Booklet Figure 25 Switching Device Closing Precautions Closed Transition Only NOTICE IF A TRANSFER SWITCH WITH ANY TYPE OF ELECTRICAL OPERAT ING CAPABILITIES IS TO BE OPERATED MANUALLY UTILIZING THE MANUAL OPERATING HANDLE IT IS STRONGLY RECOMMENDED THAT THE TRANSFER CONTROL CIRCUIT FIRST BE ISOLATED THIS IS ACCOMPLISHED BY DISCONNECTING THE S7 P7 PLUG ON THE TRANSFORMER PANEL AN AUTOMATIC ENGINE START WILL OCCUR UNLESS THE GENERATOR RUN SWITCH SET TO OFF IF HOWEVER A TRANSFER SWITCH IS SUPPLIED WITH A FOUR POSI TION SELECTOR SWITCH OPTION 6H IT CAN BE TURNED TO THE OFF POSITION MAKING IT UNNECESSARY TO UNPLUG THE LOGIC IN THE CASE OF THE ATS DESIGN ANY ATTEMPT TO OPERATE THE MANUAL HANDLE WITHOUT FIRST ISOLATING THE CONTROL CIRCUIT CAUSES AN AUTOMATIC TRANSFER Follow Manual Operation Instructions
4. 415 240 V 50 Hz 3 Phase 4 Wire W 240 120 V 60 Hz 1 Phase 3 Wire W 240 V 60 Hz 3 Phase 3 Wire W 240 120 V 60 Hz 3 Phase 4 Wire Hi Leg W 230 115 V 60 Hz 1 Phase 3 Wire X 480 V 60 Hz 3 Phase 3 Wire X 480 277 V 60 Hz 3 Phase 4 Wire X 480 240 V 50 Hz 1 Phase 2 Wire Z 346 220 V 50 Hz 3 Phase 4 Wire Magnum Bypass Automatic and Non automatic Transfer Switches 800 3200 Amperes USING THE STYLE IDENTIFICATION GUIDE The Style Identification Guide provides an overview of the ten basic style feature categories which generate the 15 digit Genswitch catalog number For more information visit www Eaton com IB01602011E Instructional Booklet Page 10 Effective March 2007 Fixed and Drawout Magnum Transfer Switches Section 2 Receiving Handling and Storage 2 1 Receiving Every effort is made to ensure that the transfer switch equipment arrives at its destination undamaged and ready for installation Crating and packing is designed to protect internal components as well as the enclosure Transfer switch enclosures are skid mounted and suited for fork lift movement Care should be exer cised however to protect the equipment from impact at all times Do not remove the protective packaging until the equipment is at the installation location and ready for installation When the transfer switch equipment reaches its destination the customer should inspect the shipping container for any obvious signs of rough handling
5. IMPROPER OPERATION OF THE GENERATOR SET PRE SENTS A HAZARD THAT CAN CAUSE SEVERE PERSONAL INJURY OR DEATH OBSERVE ALL SAFETY PRECAUTIONS IN YOUR GENER ATOR SET OPERATIONS AND INSTALLATION MANUALS WARNING FOR MECHANICAL OPERATIONS REFER TO SECTION 5 IN THIS INSTRUCTION BOOK REFER TO THE APPLICABLE LOGIC INSTRUC TION BOOK FOR ELECTRICAL TESTING WARNING HAZARDOUS VOLTAGES IN AND AROUND TRANSFER SWITCH EQUIPMENT DURING THE PROBLEM SOLVING PROCESS CAN CAUSE PERSONAL INJURY AND OR DEATH AVOID CONTACT WITH ANY VOLTAGE SOURCE WHILE PROBLEM SOLVING WARNING ONLY PROPERLY TRAINED PERSONNEL FAMILIAR WITH THE TRANSFER SWITCH EQUIPMENT AND ITS ASSOCIATED EQUIP MENT SHOULD BE PERMITTED TO PERFORM THE PROBLEM SOLV ING FUNCTION IF AN INDIVIDUAL DOES NOT FEEL QUALIFIED TO PERFORM THE PROBLEM SOLVING FUNCTION THE INDIVIDUAL SHOULD NOT ATTEMPT TO PERFORM ANY OF THESE PROCE DURES For more information visit www Eaton com IB01602011E Instructional Booklet Page 30 Effective March 2007 Fixed and Drawout Magnum Transfer Switches If a problem persists after having completed the problem solving procedure contact an Eaton representative for further assistance When calling for assistance the following is the MINIMUM infor mation required to properly address the need 1 Shop Order Number SO or General Order Number GO of the transfer switch plus related Item Number 2 Catalog and or Style Number of the transfer switch
6. except the intelligence circuit logic panel and voltage selection panel are omitted All control devices are the customer s responsibility Figure 2 Typical Load Transfer Switch Switching Device Type Schematic Non Automatic Transfer Switch Electrically Operated Non automatic transfer switches are manually initiated electrically operated devices for applications where automatic load transfer is not required Bypass Isolation Transfer Switch The bypass isolation switch is designed for applications where maintenance inspection and testing must be performed while maintaining continuous power to the load Figures 3 and 4 This is typically required in critical life support systems and standby power situations calling for safe system maintenance with no power disruptions Such a design allows for the quick removal of the different switching devices for inspection maintenance or replacement The ATS non automatic transfer switch electrically operated and bypass isolation transfer switch are the available types for the configuration described in this manual Operation of the ATS and the bypass isolation switch only are dis cussed in this manual Sections 5 and 7 respectively 1 2 2 Design Configuration The Eaton transfer switch is a rugged compact design utilizing insulated case switches or insulated case circuit breakers to trans fer essential loads from one power source to another Open tran sition switching devices are
7. 1 Locate the bolts used to secure the cover to the frame and remove them with the 3 8 wrench Remove the top screws last while holding the cover in place Figure 39 Step 2 Allow the top of the cover to slowly tilt away from the enclosure frame Figure 40 Step 3 Move your hands around to the sides and lift the cover free Figure 41 Figure 39 Removing the Bolts Figure 40 Tilting the Cover Away from the Frame Figure 41 Lifting the Cover Free IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 33 Fixed and Drawout Magnum Transfer Switches Section 10 Renewal Parts Guide 10 1 General Refer to Figure 42 through 45 for assistance with selecting and ordering selected ATS renewal parts Example To order Logic Harness for an ATVIMGB33200XRU transfer switch order Catalog Number T5MGH01 as shown in Figure 42 Figure 42 ATC 600 CONTROLLER 2D7850G13 ATC 800 CONTROLLER 2D78580G03 Replacement parts not shown Non Automatic Harness T5MGH05 Bypass Harness T5MGH08 LOGIC HARNESS TSMGH01 For more information visit www Eaton com IB01602011E Instructional Booklet Page 34 Effective March 2007 Fixed and Drawout Magnum Transfer Switches Figure 43 Figure 44 SERVICE ENTRANCE FUSE BLOCK HARNESS TSMGH16 CLOSED TRANSITION HARNESS TSMGH04 MAGNUM NON AUTO TRANSFORMER PACK TSMGT01 MAGNUM DOMESTIC TRANSFORMER PACK TSMGT02 VOTING
8. 10 volts Record the reading If YES Check the shunt trip in the Source 1 switch If NO Check the wiring to S1B10 and S1B11 Step 5 Measure the voltage between terminals S2B12 and S2B13 on the Source 2 switching device spring release coil Does the voltage measure 120 Vac 10 volts Record the reading If YES Check the spring release coil in Source 2 switch If NO Check the wiring to S2B12 and S2B13 8 2 4 Transfer Switch Will Not Automatically Recharge Switches Step 1 Measure the voltage between terminals B15 and B14 on the switching device that does not automatically recharge Does the voltage read 120 Vac 10 volts Record the reading If YES Check the electrical operator inside the switching device If NO Verify the wiring to B15 and B14 Step 2 If problem persists contact Eaton WARNING THIS CLOSED TRANSITION PRODUCT CONTAINS A SPECIAL CON TACT ARRANGEMENT OVERLAPPING CONTACTS MISUSE CAN RESULT IN DEATH SEVERE PERSONAL INJURY AND OR PROPERTY DAMAGE IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 31 Fixed and Drawout Magnum Transfer Switches Section 9 Maintenance 9 1 Introduction In general transfer switch equipment is designed to be relatively maintenance free under normal usage How ever because of the variability of application conditions and the importance placed on dependable operation by this type of equipment ins
9. American market application voltage The factory default position is 600 Vac Figure 15 Voltage Selection Panel Figure 16 North American Market Voltage Selection Terminals Shown Connected to the 120 Vac Taps 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 transfer switch enclosure Seven front accessible voltage taps from 208 to 600 Vac satisfy any required international market application voltage A quick change capability from one voltage to another is provided by a small disconnect plug The factory default position is 600 VAC 3 4 Logic Panel The logic panel provides the intelligence and supervisory circuits which constantly monitor the condition of both the Source 1 and Source 2 power sources thus providing the required intelligence for transfer operations Figure 17 Detailed information is pre sented in a separate document ATC 600 Instruction Book IB ATS I005 open transition only ATC 800 Instruction Book IB ATS CI03 closed transition only WARNING WHEN CHANGING THE SELECTED VOLTAGE THE POWER MUST BE REMOVED FROM THE TRANSFER SWITCH AND THE WIRES MUST BE MOVED ON THE TAPS OF BOTH TRANSFORMERS For more information visit www Eaton com IB01602011E Instructional Booklet Page 14 Effective March 2007 Fixed and Drawout Magnum Transfer Switches Figure 17 ATC 8
10. Below switching devices simultaneously can cause severe injury Attempting to close both or death WARNING 2 Open both switching devices Manual Operation Instructions 4 Verify source availability 5 Close switching device on available source 1 Disconnect Logic Connectors 3 Verify OPEN flags 7805C60H05 MANUAL CLOSE BUTTON Operating Instructions Do Not Use Without Reading Manual OVERLAPPING CONTACTS must be Synchronized SOURCE 1 AND SOURCE 2 WARNING 7805C60H04 THIS PRODUCT CONTAINS A SPECIAL CON TACT ARRANGEMENT OVERLAPPING CON TACTS MISUSE CAN RESULT IN DEATH SEVERE PERSONAL INJURY OR PROPERTY DAMAGE THIS LABEL IS APPLIED TO THE DOOR FOLLOW THE INSTRUCTIONS OUTLINED IN THE NEXT WARNING LABEL THIS LABEL IS APPLIED TO THE COVER OF THE MANUAL CLOSE BUTTON ON EACH THESE INSTRUCTIONS ONLY PERTAIN TO MANUALLY CLOSING A SINGLE SWITCHING DEVICE ATTEMPTING TO CLOSE BOTH SWITCHING DEVICES CAN CAUSE SEVERE INJURY OR DEATH THIS LABEL IS APPLIED TO THE DOOR For more information visit www Eaton com IB01602011E Instructional Booklet Page 22 Effective March 2007 Fixed and Drawout Magnum Transfer Switches Section 6 Drawout and Fixed Switching Devices 6 1 Installing a Drawout Switching Device In transfer switches equipped with drawout switching devices bolted in carriages with extendable rails support the switching devices Figure 26 Switching Device Draw
11. 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 quential damage or loss whatsoever including but not limited to damage or loss of use of equipment plant or power system cost of capital loss of power additional expenses in the use of exist ing 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 Corporation Electrical Group 1000 Cherrington Parkway Moon Township PA 15108 United States 877 ETN CARE 877 386 2273 Eaton com
12. HARNESS TSHGH03 TRANSFORMER PACK HARNESS TSMGH16 IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 35 Fixed and Drawout Magnum Transfer Switches Figure 45 SENSING HARNESS TSMGH02 500 KCMIL NEUTRAL TERMINAL I80C046G02 OR 750 KCMIL NEUTRAL TERMINAL I80C045G01 Instructional Booklet Page 36 Effective March 2007 2007 Eaton Corporation All Rights Reserved Printed in USA Publication No IB01602011E TBG00140 March 2007 Fixed and Drawout Magnum Transfer Switches This instruction booklet is published solely for information pur poses and should not be considered all inclusive If further infor mation is required you should consult an authorized Eaton sales representative 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 litera ture is not intended to and does not enlarge or add to any such contract The sole source governing the rights and remedies of any purchaser of this equipment is the contract between the pur chaser and Eaton NO WARRANTIES EXPRESSED OR IMPLIED INCLUDING WAR RANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MER CHANTABILITY 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
13. and Source 2 power sources A stored energy type transfer mechanism provides the mechanical motion required to open and close the main contacts Paragraph 3 2 1 Each switch can be manually operated Before a switching device can be closed the stored energy mechanism must be charged by pumping the handle Figure 23 Figure 23 Pumping Handle Charges Stored Energy Mechanism Closed Transition Shown In the closed transition product a single switching device can be manually closed by following the instructions detailed in Figure 25 An indicator window shows whether the switch is open or closed The open transition switching device can be closed by pushing the close button Figure 24 The other switching device is prevented from closing through a rigid mechanical interlock Paragraph 3 2 2 An indicator window shows whether the switch is open or closed CAUTION IT IS IMPORTANT TO TAKE GREAT CARE WHEN PLACING A DRA WOUT CIRCUIT BREAKER ON ITS EXTENSION RAILS IF THE CIR CUIT BREAKER IS NOT PROPERLY SEATED ON THE EXTENSION RAILS IT COULD FALL FROM THE RAILS CAUSING EQUIPMENT DAMAGE AND OR BODILY INJURY CAUTION POWER CONDUCTORS AND CONTROL WIRING MAY HAVE VOLT AGE PRESENT THAT CAN CAUSE SEVERE PERSONAL INJURY OR DEATH DE ENERGIZE ALL POWER OR CONTROL CIRCUIT CONDUC TORS BEFORE BEGINNING TO PERFORM ANY WIRING ACTIVITY TO OR WITHIN THE TRANSFER SWITCH EQUIPMENT WARNING THE CLOSED TRANSITION PRODUCT CONTAINS A SPECIAL CON
14. based multi function monitoring and display devices features the latest technological advances in metering and communications capabilities Feature 18 metering options include all required external devices CT s etc for a fully functioning metering system O IQ Analyzer Source 1 Line Side Metering Provides an IQ Ana lyzer for monitoring the Source 1 line side circuit P IQ Analyzer Source 2 Line Side Metering Provides an IQ Ana lyzer for monitoring the Source 2 line side circuit Q IQ Analyzer with Selector Switch for Source 1 or Source 2 Line Side Metering Provides an IQ Analyzer with a source selector switch for monitoring the Source 1 or Source 2 line side circuit R IQ DP 4000 Source 1 Line Side Metering Provides an IQ DP 4000 for monitoring the Source 1 line side circuit S IQ DP 4000 Source 2 Line Side Metering Provides an IQ DP 4000 for monitoring the Source 2 line side circuit T IQ DP 4000 with Selector Switch for Source 1 or Source 2 Line Side Metering Provides an IQ DP 4000 with a source selector switch for monitoring the Source 1 or Source 2 line side circuit 20A Rear Bus Connections Provides Source 1 Source 2 and Load Circuit rear accessible bus stabs with provision for bus bar connection 21A Optional Power Cable Connection Terminals Provides alternate power cable connection terminals Consult Eaton for available optional terminal sizes 37 Service Entrance Rated Transfer Switch Pro
15. can be installed using the lifting provision located on the top of the structure Be careful not to damage the top or bottom enclosure mounting flanges Refer to Section 4 of this manual for specific installation instructions 2 3 Storage Although well packaged this equipment is not suitable for storage outdoors 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 condi tions and other contaminants It is strongly suggested that the package protected equipment be stored in a climate controlled environment of 20 to 85 C 4 to 185 F with a relative humidity of 80 or less DO NOT under any circumstances stack other equipment on top of a trans fer switch equipment enclosure whether packaged or not Section 3 Equipment Description 3 1 General This Eaton transfer switch equipment is available in four different configurations ATS Closed and Open transition Non Automatic Electrically Operated Open Transition Only Bypass Isolation Transfer Switch Open and Closed Transition and Power Panel Refer to Section 1 for a discussion of all four types Each transfer switch is usually supplied in an enclosure although unmounted sub assemblies can be suppl
16. 00 3 5 Neutrals All 2 pole and 3 pole transfer switches are equipped with 100 rated neutral connections Figures 18 and 19 Different lug con figurations are available See Option 21A Figure 18 Neutral SE with Ground Fault Figure 19 Solid Neutral 3 6 Features Switch options which are not part of the logic scheme are avail able to meet a variety of other application requirements Options are numbered with an associated description More detailed selec tions which must be made within a specific option number are identified by letters For available options associated with the logic scheme refer to the specific logic document associated with the type of logic selected 14 Relay Auxiliary Contacts Provides Form C relay auxiliary contacts E Source 1 Available Provides one Form C relay auxiliary con tact The relay is energized when Source 1 is available F Source 2 Available Provides one Form C relay auxiliary con tact The relay is energized when Source 2 is available Load Connections Source Connections Ground Connections NOTICE OPTIONS ARE UL LISTED EXCEPT AS NOTED WHEN SUPPLIED ON UL LISTED SWITCHES IF AN OPTION IS SELECTED WHICH IS NOT UL LISTED THE SWITCH WILL NOT HAVE A UL LABEL NOTICE NOT ALL OPTIONS ARE AVAILABLE FOR ALL TRANSFER SWITCH CONFIGURATIONS IF IN DOUBT CHECK PRICE LIST 29 920 FOR THE AVAILABILITY OF OPTIONS FOR A SPECIFIC TRANSFER SWITCH DESIGN TH
17. E OPTION NUMBERS USED HERE CORRE SPOND TO THE NUMBERS USED IN THE PRICE LIST Load Connections Source Connections Ground Connections IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 15 Fixed and Drawout Magnum Transfer Switches 15 Auxiliary Contacts Position indication contacts provide Form A and B position con tacts E Source 1 Position Provides one Form A and one Form B contact per customer connection F Source 2 Position Provides one Form A and one Form B contact for customer connection 16 Integral Overcurrent Protection Provides thermal magnetic overcurrent protection integral to the power switching device s All Feature 16 options include a Lockout function If the power switching device trips on an overcurrent condition then Lockout is displayed on the ATS Controller display and automatic operation is prevented until the appropriate source is manually reset B Both Power Source Switching Devices Provides integral over current protection on both Source 1 and Source 2 power switching devices E Source 2 Power Switching Device Provides integral overcur rent protection on the Source 2 power switching device only N Source 1 Power Switching Device Provides integral overcur rent protection on the Source 1 power switching device only 18 Metering and Communications The IQ Family of microprocessor
18. ECTIONS DEVICE SWITCH RATING AMPS CABLES PER PHASE RANGE WIRING SIZE Switch 800 2000 6 3 0 750 MCM Switch 2500 3200 9 3 0 750 MCM Neutral 800 2000 24 4 0 500 MCM Neutral 2500 3200 36 4 0 500 MCM CAUTION IMPROPER POWER CABLE CONNECTIONS CAN CAUSE EXCESSIVE HEAT AND SUBSEQUENT EQUIPMENT FAILURE IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 19 Fixed and Drawout Magnum Transfer Switches 4 6 Voltage Selection Adjustment Certain devices such as the voltage selection panel sensing relays and timers need to be set and or calibrated prior to placing the transfer switch equipment into service Adjustments for logic devices are described in the separate instructional document dedi cated to the specific logic being used Voltage selection adjust ments are described here Figure 21 Voltage Selection Adjustment Remove the transformer pack cover by loosening the 4 screws located at each corner of the transformer pack assembly The transformers are factory set on the 600 volt tap See illus tration above for location of various taps and voltages Detach the spade connector from the 600 volt tap and place on the tap that is suitable for your application After changing the taps on both transformers replace the trans former pack cover and tighten all four screws 4 7 Mounting the Switching Device in the Drawout Mecha
19. ED IN THE FIELD EITHER BEFORE OR AFTER MOUNTING THE ENCLOSURE IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 18 Fixed and Drawout Magnum Transfer Switches 4 5 Power Cable Connections Proceed with the following steps Step 1 Verify that the line and load cables comply with applica ble electrical codes Step 2 Verify that the transfer switch rated current and voltage see identification plate on the door of the transfer switch agree with system current and voltage Step 3 After the transfer switch is mounted provide the conduit or cable openings as required Ensure that no metal filings contaminate the transfer switch components Step 4 Test all power cables before connecting them to the unit to insure that the conductors or the cable insulation have not been damaged while being pulled into position Step 5 Carefully strip the insulation from the power cables Avoid nicking or ringing of the conductor strands Pre pare the stripped conductor termination end by cleaning it with a wire brush If aluminum conductors are used apply an appropriate joint compound to the clean conduc tor surface area Refer to Figure 13 for the approximate locations of the power connections Power cables are to be connected to solderless screw type lugs located on the transfer switch switching devices Refer to the separate Customer Wiring Diagrams supplied with the transfer swit
20. G LOGIC Position 4 I IQ Transfer 4 ATC 400 E Electro Mechanical TYPE Position1 2 AT Automatic CT Closed Transition BI Bypass Transition CB Closed Transition Bypass Isolation NT Non Auto ORIENTATION Position 3 V Vertical FRAME Position 5 6 Molded Cases Magnum DS MG SWITCH Position 7 A Fixed Mount Molded Case Switch MCS Both B Fixed Mount Molded Case Circuit Breaker HCCB Both C Fixed Mount MCCB Normal MCS Emergency D Fixed Mount MCS Normal MCCB Emergency E Drawout MCS Both F Drawout MCCB Both G Drawout MCCB Normal MCS Emergency H Drawout MCS Normal MCCB Emergency POLES Position 8 2 2 Poles 3 3 Poles 4 4 Poles AMPERES Position 9 12 0200 200A 0300 300A 0400 400A 0600 600A 0800 800A 1000 1000A 1200 1200A 1600 1600A 2000 2000A 2500 2500A 3200 3200A ENCLOSURE Position 14 K Open S NEMA 1 R NEMA 3R T Thru Door Design LISTING Position 15 U UL Listed CSA Listed Contact factory for availability VOLTAGE Position 13 A 120 V 60 Hz 3 Phase 3 Wire B 208 120 60 Hz 3 Phase 4 Wire E 600 V 60 Hz 3 Phase 3 Wire E 600 V 60 Hz 3 Phase 4 Wire G 220 127 V 50 Hz 3 Phase 4 Wire G 220 110 V 50 60 Hz 1 Phase 3 Wire H 380 220 V 50 Hz 3 Phase 4 Wire K 600 V 50 Hz 3 Phase 4 Wire M 230 V 50 Hz 3 Phase 3 Wire M 230 V 50 Hz 1 Phase 3 Wire N 401 230 V 50 Hz 3 Phase 4 Wire O
21. IB01602011E For more information visit www Eaton com O amp M Manual for the Fixed and Drawout Magnum Transfer Switches Instruction Booklet New Information Description Page Introduction 3 Receiving Handling and Storage 10 Equipment Description 10 Installation and Wiring 16 Operation 20 Drawout and Fixed Switching Devices 22 Operation of the Bypass Isolation Transfer Switch 25 Testing and Problem Solving 29 Maintenance 31 Renewal Parts Guide 33 For more information visit www Eaton com IB01602011E Instructional Booklet Page 2 Effective March 2007 Fixed and Drawout Magnum Transfer Switches Figure 1 Typical Automatic Transfer Switch Equipment Nameplate Step 1 Remove any dirt or debris that may have collected during shipment or installation NEVER use high pressure blow ing air This could drive dirt or other foreign objects into electrical or mechanical components which could cause damage Use an industrial quality v
22. OURCE 2 AVAILABLE SOURCE 2 SOURCE 2 SOURCE 2 INCOMING ATS BYPASS BYPASS ATS LOAD SOURCE 2 BYPASS INCOMING A A RATING WHEN USED WITH UPSTREAM CIRCUIT BREAKER RATING WHEN USED WITH UPSTREAM FUSE Transfer Switch Amp Rating 3 Cycle 600V kA 30 Cycle 600V kA 800 100 85 1000 100 85 1200 100 85 1600 100 85 2000 100 85 2500 100 85 3200 100 85 For more information visit www Eaton com IB01602011E Instructional Booklet Page 6 Effective March 2007 Fixed and Drawout Magnum Transfer Switches 1 3 Magnum Fixed and Drawout Switching Devices 1 3 1 General Magnum Switching Device The Magnum switching devices used in the Magnum transfer switches are air switching devices utilizing an electronic tripping system They are available in both fixed and drawout versions both of which are used in the Magnum transfer switch depending on the specific transfer switch ordered Figure 5 The Magnum Fixed Switching Device Figure 6 The Magnum Drawout Switching Device The Magnum transfer switches are available in the following con figurations Table 2 Magnum Transfer Switch Configurations All Magnum switching devices are 100 rated Underwriters Lab oratories UL listed and are built and tested in an ISO 9002 certi fied facility to applicable NEMA ANSI IEEE and UL standards For more information on Magnum switching devices consult the Magnum switching device manual sup
23. RATE WITHIN ITS NAME PLATE 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 NAMEPLATE AND BE FAMILIAR WITH THE INFORMATION PROVIDED ON THE NAMEPLATE A TYPICAL EQUIPMENT NAMEPLATE IS SHOWN IN FIGURE 1 NOTICE A FINAL INSPECTION OF THE EQUIPMENT SHOULD BE PERFORMED PRIOR TO ENERGIZING THE TRANSFER SWITCH E Automatic Transfer Switch Cat No ATVIMGB33200XRU 11 04 GO No 1of1 Item 1 Poles 3 Amps 3200 Volt 120 600 VAC Phase 3 Hertz 60 Wire 4 IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 3 Fixed and Drawout Magnum Transfer Switches 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 transfer switch equipment with ratings from 800 through 3200 amperes A except for the specific logic used to control the equipment It is provided as a guide for authorized and quali fied personnel only Please refer to the specific WARNING and CAUTION in Section 1 1 2 before proceeding If further informa tion is required by the purchaser regarding a particular installation application or maintenance activity contact an Eaton representa tive For information a
24. These continuous duty devices are rated for all classes of loads In addition they have high dielectric strength heavy duty switching and withstand capabili ties and high interrupting capacity 3 2 2 Switch Interlocks Open Transition Only Eaton transfer switches are mechanically and electrically inter locked to prevent the two sets of main contacts from being closed simultaneously 3 2 3 Drawout Interlocks The standard closed transition ATS is not provided with a mechanical interlock All bypass switching devices are mechani cally interlocked to the drawout mechanism to ensure that the switching device is always open when connecting or disconnect ing it from the line and load stabs when in the bypass mode All open transition switching devices are mechanically interlocked to the drawout mechanism to ensure that the switching device is always open when connecting or disconnecting it from the line and load stabs The switching device will close only in the DISCONNECT TEST and CONNECT positions For more information visit www Eaton com IB01602011E Instructional Booklet Page 12 Effective March 2007 Fixed and Drawout Magnum Transfer Switches 3 2 4 TRANSFER MECHANISM The transfer switch uses Eaton Magnum insulated case switching devices and insulated case switches with a stored energy mecha nism An electrical operator automatically recharges the mecha nism after the switching device has been closed and an indicator on the
25. Typical Magnum Fixed Switching Device Fixed switching device terminals have holes for making bolted hor izontal primary bus connections Adapters are available for mak ing vertical primary bus connections Secondary connections can be made through standard terminal blocks or a special connector compatible with the drawout switching device s type secondary connector Both secondary connection devices are mounted at the top front of the switching device Red Yellow Green NOTICE THE SWITCHING DEVICE CAN BE LEVERED WITH THE COMPART MENT DOOR OPEN OR CLOSED BUT IT IS ADVISABLE TO CLOSE THE DOOR PRIOR TO LEVERING NOTICE THE SWITCHING DEVICE MECHANISM IS INTERLOCKED SUCH THAT CHARGED CLOSING SPRINGS ARE AUTOMATICALLY DIS CHARGED IF THE SWITCHING DEVICE IS LEVERED INTO OR OUT OF THE CELL DISCHARGE TAKES PLACE BETWEEN THE DISCONNECT AND TEST POSITION IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 25 Fixed and Drawout Magnum Transfer Switches The fixed switching device frame has two mounting feet one on each side to permit the fixed switching device to be securely mounted Each mounting foot has two slotted mounting holes which are used to bolt the switching device securely in place Use either 3 8 or M 10 bolts for this purpose Refer to the dimen sional drawings supplied with the transfer switch for switching device and bus stab dimensions 6 3 Switchin
26. acuum cleaner to remove any dirt or foreign objects Step 2 Be certain all cable connections are correct and that the phase rotation of both sources match Step 3 Inspect the engine start connections and verify the cor rect connection of all control wires Step 4 Check all programmable setpoints and adjust as neces sary In addition adjust any optional accessories as required Step 5 Be certain that the actual lug torque values are in keeping with the requirements outlined in the instruction book to insure the integrity of power connections Step 6 Check to be sure that all covers and barriers are properly installed and fastened ALL POSSIBLE CONTINGENCIES WHICH MAY ARISE DURING INSTALLATION OPERATION OR MAINTENANCE AND ALL DETAILS AND VARIA TIONS OF THIS EQUIPMENT DO NOT PURPORT TO BE COVERED BY THESE INSTRUCTIONS IF FURTHER INFORMATION IS DESIRED BY THE PURCHASER REGARDING HIS PARTICULAR INSTALLATION OPERATION OR MAINTENANCE OF PARTICULAR EQUIPMENT CONTACT AN EATON REPRESENTATIVE WARNING READ AND UNDERSTAND THE INSTRUCTIONS CONTAINED HEREIN AFTER 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 MAIN TENANCE PROCEDURES TO AVOID THESE VOLTAGES TRANSFER SWITCH EQUIPMENT COVERED BY THIS INSTRUCTION BOOK IS DESIGNED AND TESTED TO OPE
27. ance starting of the generator while work is being performed on the Source 2 switching device 3 Open the Source 2 switching device 4 Close the Source 1 bypass switching device manually The Source 1 bypass light will illuminate 5 Rack out the Source 2 switching device see Section 6 The Source 2 isolated light will illuminate 6 Inspect and or perform the needed maintenance on the Source 2 switching device 7 Rack in the Source 2 switching device see Section 6 The Source 2 isolated light will no longer be illuminated 8 Open the Source 1 bypass switching device The Source 1 light will no longer be illuminated 9 The switching device is now back in automatic operation Cutler Hammer Digitrip 3000 Operational High Load Communications Trip Time Overcurrent Curve Shape Pickup x In Time Multiplier Pickup x In Time Program Phase Ground I I I RMS Amperes Settings Test Time Trip Cause Test Program Test Pickup x In Instantaneous Short Delay Amp Demand I Cutler Hammer Phase Phase Phase Phase Ground Digitrip 3000 Operatio High Commun Time Overcurrent Curve Shape Pickup x In Time Multiplier Time Program Phase Ground RMS Settings Test Time Trip Cause Short Delay Cutler Hammer Digitrip 3000 Operational High Load Communications Trip Time Overcurrent Curve Shape Pickup x In Time Multiplier
28. and or external damage incurred during transportation Record any external and internal damage observed for reporting to the transportation carrier and Eaton once a thor ough inspection is completed All claims should be as specific as possible and include the Shop Order and General Order numbers A shipping label is affixed to the top of the shipping container which includes a variety of equipment and customer information such as General Order Number GO and Catalog Number Cat Make certain that this information matches other ship ping paper information Each transfer switch enclosure is bolted to a rigid wooden pallet The pallet is open at two ends for movement by a fork lift The shipment is secured and further protected with shrink wrap Do not discard the packing material until the equipment is ready for installation A plastic bag of documents will be found within the enclosure usually attached to the inside of the door Important documents such as test reports 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 the transfer switch equipment is pack aged for fork lift movement Protect the equipment from impact at all times and DO NOT double stack Once the equipment is at the installation location and ready for installation the packaging material can be removed Once the enclosure is unbolted from the wooden pallet it
29. and the Source 1 bypass light will illuminate 3 Move the generator selector switch to the OFF position Section 8 Testing and Problem Solving 8 1 Testing After transfer switch equipment is initially installed or during planned outages the installation should be tested to ensure that all equipment operates properly This attention to detail will help to avoid unexpected malfunctions Mechanical and or electrical tests should be performed The frequency of subsequent testing should be based on recom mendations of the generator set manufacturer Use the test push button to check the electrical operation of the switch IF A TEST SWITCH IS PROVIDED ALWAYS RETURN THE SWITCH TO THE AUTO POSITION AFTER THE TEST IS COMPLETE 8 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 Most problem solving procedures are outlined in the instruction manual unique to the type of logic being used In addition several problem solving procedures are presented here which are specific to the type of switches or switching devices used in this equipment WARNING HIGH VOLTAGES ASSOCIATED WITH OPERATIONAL TRANSFER SWITCH EQUIPMENT PRESENT A SHOCK HAZARD THAT CAN CAUSE SEVERE PERSONAL INJURY OR DEATH USE EXTREME CAUTION TO AVOID TOUCHING ELECTRICAL CONNECTIONS WHENEVER INSPECTING OR TESTING THE EQUIPMENT IN ADDITION
30. ational High Load Communications Trip Time Overcurrent Curve Shape Pickup x In Time Multiplier Pickup x In Time Program Phase Ground I I I RMS Amperes Settings Test Time Trip Cause Test Program Test Pickup x In Instantaneous Short Delay Amp Demand I Cutler Hammer Phase Phase Phase Phase Ground Digitrip 3000 Operatio High Commun Time Overcurrent Curve Shape Pickup x In Time Multiplier Time Program Phase Ground RMS Settings Test Time Trip Cause Short Delay 2 Source 1 3 Rack Source 1 Switch Back into Its Location Switch Will Automatically close Cutler Hammer Digitrip 3000 Operational High Load Communications Trip Time Overcurrent Curve Shape Pickup x In Time Multiplier Pickup x In Time Program Phase Ground I I I RMS Amperes Settings Test Time Trip Cause Test Program Test Pickup x In Instantaneous Short Delay Amp Demand I Cutler Hammer Phase Phase Phase Phase Ground Digitrip 3000 Operatio High Commun Time Overcurrent Curve Shape Pickup x In Time Multiplier Time Program Phase Ground RMS Settings Test Time Trip Cause Short Delay 4 For more information visit www Eaton com IB01602011E Instructional Booklet Page 28 Effective March 2007 Fixed and Drawout Magnum Transfer Switches Figure 38 Transf
31. ch equipment for power termination Verify that the lugs sup plied will accommodate the power cables being used Also verify that the cables comply with local electrical codes Standard trans fer switch equipment as supplied from the factory will accommo date the wire sizes shown in Table 5 Table 5 Wire Size for Available Power Cable Connections Step 6 Tighten the cable lugs to the torque identified on the label affixed to the door Step 7 Make the necessary connections of any options using the wiring diagrams supplied with the unit Step 8 Connect the engine start wires to the logic connector J5 1 amp J5 2 on the ATC 600 ATC 800 Controller 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 TRANSFER SWITCH EQUIPMENT BEFORE BEGINNING TO WORK WITH THE CONDUCTORS AND OR TERMINATING THEM TO THE EQUIPMENT CAUTION USE OF CABLE LUGS NOT DESIGNED FOR THE TRANSFER SWITCH APPLICATIONS MAY CAUSE HEATING PROBLEMS BREAKER LUGS ONLY MOUNT TO THE BREAKER WHILE TRANSFER SWITCH LUGS MOUNT TO BOTH THE BREAKER AND THE BUS BAR BEHIND THE BREAKER FOR INSTALLATION INSTRUCTIONS REFER TO THE INSTRUCTION LEAFLET SUPPLIED FOR THE SPECIFIC LUGS CAUTION TO HELP PREVENT COMPONENT DAMAGE OR FUTURE MALFUNC TIONS USE EXTREME CARE TO KEEP CONTAMINANTS OUT OF THE TRANSFER SWITCH EQUIPMENT WHEN MAKING POWER CABLE CONN
32. ct the line power from the equipment being serviced by opening next highest disconnect device Make certain that any accessory control power is switched off and the logic plugs are disconnected b Inspect the structure area for any safety hazards or potential mainte nance problems Inspect the area especially where switching devices are installed for any safety hazards including personnel safety and fire hazards Exposure to certain chemical vapors can cause deterioration of electrical connections Inspect 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 conductor insulation or as pitting or melting of conductor surfaces due to arcing Inspect the secondary control connections for damage and the control wiring for insulation integrity c Inspect the switching devices for dust dirt soot grease moisture or corrosion Remove the dust dirt soot grease moisture and corrosion contamination from the surface of the switching device using a dry soft lint free cloth dry soft bristle brush and vacuum cleaner Do not blow debris into the switching device or nearby breaker structure If contamination is found look for the source and fix the problem d Check for material integrity uneven wear discoloration or loose hard ware Severe material cracking will require replacement and loose hardwa
33. d and Drawout Magnum Transfer Switches Figure 37 Transfer from Normal Switching Device to Normal Bypass Switching Device Steps 1 4 Rack Out and Inspect Maintain Switch Place Generator In OFF Position Cutler Hammer Digitrip 3000 Operational High Load Communications Trip Time Overcurrent Curve Shape Pickup x In Time Multiplier Pickup x In Time Program Phase Ground I I I RMS Amperes Settings Test Time Trip Cause Test Program Test Pickup x In Instantaneous Short Delay Amp Demand I Cutler Hammer Phase Phase Phase Phase Ground Digitrip 3000 Operatio High Commun Time Overcurrent Curve Shape Pickup x In Time Multiplier Time Program Phase Ground RMS Settings Test Time Trip Cause Short Delay Cutler Hammer Digitrip 3000 Operational High Load Communications Trip Time Overcurrent Curve Shape Pickup x In Time Multiplier Pickup x In Time Program Phase Ground I I I RMS Amperes Settings Test Time Trip Cause Test Program Test Pickup x In Instantaneous Short Delay Amp Demand I Cutler Hammer Phase Phase Phase Phase Ground Digitrip 3000 Operatio High Commun Time Overcurrent Curve Shape Pickup x In Time Multiplier Time Program Phase Ground RMS Settings Test Time Trip Cause Short Delay Cutler Hammer Digitrip 3000 Oper
34. d circuit operation 3 A transfer mechanism to effect the transfer of the main con tacts from source to source WARNING THE WARNINGS AND CAUTIONS INCLUDED AS PART OF THE PRO CEDURAL STEPS IN THIS DOCUMENT ARE FOR PERSONNEL 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 INSURE THAT PERSONNEL ARE ALERT TO WARNINGS WHICH APPEAR THROUGHOUT THE DOCUMENT IN ADDITION CAUTIONS ARE ALL UPPER CASE AND BOLDFACE CAUTION COMPLETELY READ AND UNDERSTAND THE MATERIAL PRESENTED IN THIS DOCUMENT BEFORE ATTEMPTING INSTALLATION OPERA TION OR APPLICATION 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 FOL LOWED PRECISELY FAILURE TO DO SO COULD CAUSE PERMA NENT EQUIPMENT DAMAGE WARNING THE CLOSED TRANSITION PRODUCT CONTAINS A SPECIAL CON TACT ARRANGEMENT OVERLAPPING CONTACTS MISUSE CAN RESULT IN DEATH SEVERE PERSONAL INJURY AND OR PROPERTY DAMAGE For more information visit www Eaton com IB01602011E Instructional Booklet Page 4 Effective March 2007 Fixed and Drawout Magnum Transfer Switches Basic Transfer Switch Power Panel The basic transfer switch is designed for use with customer fur nished logic It is similar in design to the automatic version
35. ed mounting holes to facilitate mounting 1 4 Transfer Switch Catalog Number Identification 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 3 provides the required interpretation information An example for an open transition switch is offered to initially simplify the pro cess Example Catalog Number circled numbers correspond to position headings in Table 3 The catalog number ATVIMGB33200XRU describes an ATS with the switching devices mounted vertically in the enclosure The intelligence represented by the ATC 400 ATC 600 ATC 800 is a microprocessor based logic package The Magnum Breaker is used as the switching device and is a 3 pole molded case breaker for each source The continuous current rating of this equipment is 3200 A and is applicable at 480 277 Vac 60 Hz The transfer switch equipment is enclosed in a NEMA 3R enclosure and is listed for Underwriters Laboratories UL and Canadian Standards Association CSA applications IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 9 Fixed and Drawout Magnum Transfer Switches Table 3 Transfer Switch Catalog Number Explanation AT V I G B 3 3 2 0 0 R X U M TYPE ORIENTATION LOGIC FRAME SWITCH POLES AMPERE RATING VOLTAGE ENCLOSURE TYPE LISTIN
36. er from Normal Switching Device to Normal Bypass Switching Device Steps 5 6 7 3 3 Source 1 to Source 2 Bypass Open Transition Only The Source 1 switch can be isolated and bypassed by the follow ing sequence 1 Move the generator selector switch to the RUN position because the load needs to be energized from the Source 2 power source 2 Make sure that the Source 2 power source is available 3 Open the source switching device 4 Close the Source 2 bypass switching device manually The Source 2 bypass light will be illuminated 5 Rack out the Source 1 switching device see Section 6 The Source 1 isolated light will illuminate 6 Inspect and or perform the needed maintenance on the Source 1 switching device 7 Rack in the Source 1 switching device see Section 6 The Source 1 switching device will automatically recharge when it is in the CONNECT position The Source 1 isolated light will no longer be illuminated 8 Open the Source 2 bypass switching device The Source 2 bypass light will no longer be illuminated 9 The Source 1 switching device is now back in automatic oper ation 7 3 4 Source 2 to Source 1 Bypass Open Transition Only The Source 2 switching device can be bypassed and isolated by the following sequence 1 Ensure that the Source 1 power is available since the load will be energized from the Source 1 power source 2 Move the generator selector switch to the OFF position to avoid nuis
37. f these two sources In the event that power is lost from the Source 1 power source the transfer switch transfers the load to the Source 2 power source This transfer can be automatic or manual depending upon the type of transfer switch equipment being used Once Source 1 power is restored the load is automatically or manually trans ferred back to the Source 1 power source again depending upon the type of transfer equipment being used Figure 2 In addition the Eaton closed transition transfer switch may be applied where it is desirable to avoid any momentary power inter ruptions Although the closed transition switch is not a substitute for an uninteruptable power source UPS it does eliminate power interruptions to loads except to those caused by power sources or equipment external to the transfer switch If both sources are acceptable as determined by the IQ Transfer logic a make before break transfer is performed during a transfer test or retransfer operation 1 2 1 Transfer Switch Types There are four types of transfer switch equipment Automatic Transfer Switch Automatic transfer switches ATSs automatically perform the transfer function They consist of three basic elements 1 Main contacts to connect and disconnect the load to and from the source of power 2 Intelligence supervisory circuits to constantly monitor the con dition of the power sources and thus provide the intelligence necessary for the switch and relate
38. g Device Operation Switching devices should be operated manually and or electrically before they are put into service This can be done during the installation process or some later date prior to start up To check the switching device operation follow the operational procedures outlined in switching device manual supplied with the transfer switch for both manually operated and electrically operated switching devices Section 7 Operation of the Bypass Isolation Transfer Switch 7 1 Operator Panel The design of this transfer switch allows quick removal of the dif ferent switching devices for inspection or maintenance or if required quick replacement The bypass isolation switch has two operator panels with switches and lights Figure 35 The following descriptions are for those features that are standard with the bypass isolation switch Additional features are described in the options section Figure 35 Bypass Isolation Switch The left door control panel has the following standard features 1 Light to indicate if the Source 1 power source is available 2 Light to indicate if the Source 2 power source is available 3 Light to indicate if the Source 1position is energized that is the Source 1 switching device in the automatic transfer switch is closed 4 Light to indicate if the Source 2 position is energized that is the Source 2 switching device in the automatic transfer switch is closed 5 The Push To Test bu
39. he switching device into the compartment as far as it will go The outer recessed portion of the switching device face plate should align with the GREEN target line labeled DISC on the inside top left wall of the carriage Figure 32 CAUTION IT IS IMPORTANT TO TAKE GREAT CARE WHEN PLACING A DRA WOUT SWITCHING DEVICE ON ITS EXTENDED RAILS IF THE SWITCHING DEVICE IS NOT PROPERLY SEATED ON THE EXTEND ABLE RAILS IT COULD FALL FROM THE RAILS CAUSING EQUIP MENT DAMAGE AND OR BODILY INJURY CAUTION MAKE CERTAIN THAT THE SWITCHING DEVICE IS FULLY INSERTED INTO ITS COMPARTMENT BEFORE ANY ATTEMPT IS MADE TO LEVER THE SWITCHING DEVICE ATTEMPTING TO LEVER THE SWITCHING DEVICE IN BEFORE IT IS FULLY POSITIONED INSIDE ITS COMPARTMENT CAN RESULT IN DAMAGE TO BOTH THE SWITCH ING DEVICE AND THE COMPARTMENT IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 23 Fixed and Drawout Magnum Transfer Switches Figure 29 Switching Device in the CONNECT Position Figure 30 Switching Device in the TEST Position Figure 31 Switching Device in the DISCONNECT Position For more information visit www Eaton com IB01602011E Instructional Booklet Page 24 Effective March 2007 Fixed and Drawout Magnum Transfer Switches Figure 32 Carriage Label Showing DISCONNECT TEST and CONNECT Positions of the Recessed Cover 6 1 2 Levering the Switching Device The switching device is now read
40. ied for mounting by the customer The enclosed ATS is the only specific type that will be discussed in this section Figure 11 Typical Power Panel Open Transition Shown The enclosed ATS consists of three basic panels interconnected through connector plugs and mounted in an enclosure Power Panel Voltage Selection Panel and Logic Panel ATC 600 open transition only ATC 800 closed transition only IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 11 Fixed and Drawout Magnum Transfer Switches The components comprising the three panels are installed in accor dance with the specific requirements of the circuit being controlled Each transfer switch is therefore tailor made to a specific applica tion 3 2 Power Panel The power panel consists of a means for making load power and neutral connections The main contacts and the transfer mecha nism are all on one steel frame Figure 12 The actual power con nections are shown in Figure 13 Figure 12 Insulated Case Switching Device 3 2 1 Main Contacts The main contacts connect and disconnect the load to and from the different power sources High withstand insulated case switches are the main contacts for the Source 1 and Source 2 power sources in standard unmodified ATSs Optional integral thermal and short circuit protection in either or both switching devices is available Section 3 6
41. in a way that restricts adjustments Maintain proper electrical clearances between live metal parts and grounded metal For installation and maintenance purposes the Source 1 and Source 2 power sources must have an overcurrent protective device upstream of the transfer switch unless overcurrent protec tion is integral to the switch The dimensions of the transfer switch are an important consider ation in determining proper location selection WARNING BE CERTAIN THAT THE SOLID STEEL POWER PANEL SHIELDS ARE PROPERLY INSTALLED BEFORE THE TRANSFER SWITCH EQUIP MENT IS PUT INTO SERVICE THE SHIELD PROVIDES PROTECTION FROM DANGEROUS VOLTAGES AT THE LINE AND LOAD TERMI NALS WHEN THE EQUIPMENT IS IN OPERATION FAILURE TO DO SO COULD RESULT IN PERSONAL INJURY OR DEATH IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 17 Fixed and Drawout Magnum Transfer Switches 4 3 Unpackaging and Inspection Proceed with the following four steps Step 1 Carefully uncrate the transfer switch If damage is visible please contact your local Eaton sales representative or the factory Step 2 Open the door and visually verify that there are no broken or damaged components or evidence of distorted metal or loose wires as a result of rough handling Step 3 A label on the door provides specifications for your trans fer switch Verify that these specifications comply with your requirements S
42. interlocked to prevent both switching devices from being closed at the same time The versatile design in addition to standard transfer functions offers an optional inte gral thermal and short circuit protection in either or both switching devices The switching devices are in a compact vertical arrangement The logic can be easily disconnected from the switching device with out disturbing critical connections The enclosure is free standing and by using the specially supplied cleats the switch is seismic approved Option 42 The terminals are mounted in the rear of the switch permitting rear top bottom or side cable or bus bar entrance The switching devices have a high withstand rating Table 1 The high speed stored energy switching mechanism guarantees a transfer time of less than 5 cycles Figure 3 Typical Bypass Isolation Switch Source 1 Source 2 Load IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 5 Fixed and Drawout Magnum Transfer Switches Figure 4 Typical Bypass Isolation Switch Schematic Table 1 Withstand Ratings Tested in accordance with UL1008 Eaton Drawout Magnum Transfer Switch will coordinate with a power switching device short time rating Contact factory for details SOURCE 1 SOURCE 1 SOURCE 1 SOURCE 1 BYPASS SOURCE 1 SOURCE 1 SOURCE 1 AVAILABLE SOURCE 2 ISOLATED ISOLATED POSITION SOURCE 2 POSITION S
43. ly Transfer to Source 1 Step 1 Check for the proper line voltage on N1 N2 and N3 Step 2 Is the Source 1 switching device charged If YES Continue with the other procedures If NO Go through section 8 2 4 first before continuing Step 3 Is the Source 2 switch OPEN If YES Proceed to Step 5 If NO Proceed to Step 4 Step 4 Measure the voltage between terminals S2B1O and S2B11 on the Source 2 switching device shunt trip Does the voltage measure 120 Vac 10 volts Record the reading If YES Check the shunt trip in the Source 2 switch If NO Check the wiring to S2B10 and S2B11 Step 5 Measure the voltage between terminals S1B12 and S1B13 on the Source 1 switching device spring release coil Does the voltage measure 120 Vac 10 volts Record the reading If YES Check the spring release coil in Source 1 switch ing device If NO Check the wiring to S1B12 and S1B13 8 2 3 Transfer Switch Will Not Automatically Transfer to Source 2 Step 1 Check for the proper line voltage on E1 E2 and E3 Step 2 Is the Source 2 switching device charged If YES Continue with the other procedures If NO Go through Section 8 2 4 first before continuing Step 3 Is the Source 1 switching device OPEN If YES Proceed to Step 5 If NO Proceed to Step 4 Step 4 Measure the voltage between terminals S1B10 and S1B11 on the Source 1 switching device shunt trip Does the voltage measure 120 Vac
44. n Out from the Transfer Switch To install a drawout switching device the extendable rails must first be pulled all the way out Once the rails are fully extended the switching device can be carefully placed on the rails Figure 27 Drawout Rail Supports Fully Seated in the Rail Cutouts Carefully lower the switching device onto the extended rails Be certain that the switching device s four molded drawout rail sup ports are fully seated in the extendable rail cutouts on both sides Figure28 Do not remove the lifting yoke from the switching device until it is properly seated on the rails Figure 28 Switching Device in the REMOVE Position Once the switching device is properly seated on the extended rails the lifting yoke can be removed and the rest of the switching device installation procedure can be completed 6 1 1 Switching Device Positioning The Magnum drawout switching device has four normal positions REMOVE Withdrawn Figure 28 DISCONNECT Figure 31 TEST Figure 30 CONNECT Figure 29 The REMOVE position is a position outside the compartment on the carriages drawout rails where the switching device is not engaged with the levering mechanism The DISCONNECT TEST and CONNECT positions are reached by means of the levering mechanism With the switching device solidly positioned on the carriage s extendable rails and the levering in mechanism in the DISCONNECT position carefully and firmly push t
45. n the Source 1 bypass switch The Source 1 bypassed light will no longer be illuminated 7 The Source 1 switching device is now back in automatic oper ation 7 3 2 Source 2 TO Source 2 BYPASS The Source 2 switching device can be bypassed and isolated by the following sequence 1 Move the generator selector switch to the RUN position to avoid losing power 2 Close the Source 2 bypass switching device manually The Source 2 bypass light will illuminate 3 Open and rack out the Source 2 switching device see Section 6 The Source 2 isolated light will illuminate and the Source 2 position energized light will no longer be illumi nated 4 Inspect and or perform the needed maintenance on the Source 2 switching device 5 Rack in the Source 2 switching device see Section 6 The Source 2 switching device will automatically recharge and close when in the CONNECT position The Source 2 isolated light will no longer be illuminated and the Source 2 position energized light will illuminate 6 Open the Source 2 Bypass switch The source 2 Bypass light will no longer be illuminated 7 The Source 2 Switch is now back in automatic operation WARNING THE CLOSED TRANSITION PRODUCT CONTAINS A SPECIAL CON TACT ARRANGEMENT OVERLAPPING CONTACTS MISUSE CAN RESULT IN DEATH SEVERE PERSONAL INJURY AND OR PROPERTY DAMAGE IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 27 Fixe
46. nism In structures equipped for drawout circuit breakers a bolted in cassette with movable extension rails supports the circuit breaker Figure 22 The extension rails must first be pulled all the way out Once the rails are fully extended the circuit breaker can be carefully placed on the extension rails Figure 22 One Side of Drawout Circuit Breaker Properly Seated on Extension Rails PRIMARY TERMINALS SECONDARY TERMINALS 600V 6 480V 5 240V 4 208V 3 120V 2 0V 1 60Hz 7 8 9 10 SECONDARY 1 120V 300VA INTERMITTENT 50 DUTY CYCLE SECONDARY 2 120V 25VA 5 10 9 8 7 120V 1 5A 7 8 10 9 120V 0 21A TOP 5 480V 3 208V 1 COMMON BOTTOM 6 600V 4 240V 2 120V 3 1 6 4 2 WARNING DISCONNECT ALL SOURCES OF POWER OR DISCONNECT P7 S7 PRIOR TO PERFORMING THE FOLLOWING FAILURE TO DO SO MAY CAUSE SERIOUS INJURY OR DEATH CAUTION BE SURE THAT THE CORRECT VOLTAGE IS SELECTED TO MATCH THE SYSTEM VOLTAGE AN IMPROPER SELECTION AND OR CON NECTION COULD RESULT IN EQUIPMENT DAMAGE For more information visit www Eaton com IB01602011E Instructional Booklet Page 20 Effective March 2007 Fixed and Drawout Magnum Transfer Switches Carefully lower the circuit breaker down onto the extension rails Be certain that the circuit breaker s four molded drawout rail sup ports are fully seated in the extension rail cutouts on both sides Figure 22 Do not remove the lifting yoke fr
47. om the circuit breaker until it is properly seated on the rails Once the circuit breaker is on the extension rails and the lifting yoke is removed proceed with the rest of the circuit breaker installation 4 8 Wiring Power sources load conductors and control wiring should be connected to locations as indicated in the Customer Wiring Dia grams supplied with the transfer switch equipment 4 8 1 Engine Start Connection The engine control contact connections are located on the ATC 600 ATC 800 Controller The engine control contact con nections of bypass isolation units are located in the door of the enclosure Note Prior to making the engine start connection to the switch on bypass isolation units set the engine generator controls selector switch in the OFF position to prevent an unwanted engine start A contact closes between these terminal blocks when an engine start signal is provided by the ATS logic 4 8 2 ALARM CONTACTS CLOSED TRANSITION ONLY Closed transition only ATSs are provided with an extra shunt trip on the Source 1 device This shunt trip is energized when the Time Delay Utility Parallel TDUP times out preset by user thus opening the source device The TDUP timer starts timing when both sources are paralleled Refer to the IQ Transfer instruction book for additional alarms Section 5 Operation 5 1 General A transfer switch provides main contacts to connect and discon nect the load to and from the Source 1
48. pection and 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 depend to a large extent on the cleanliness of the 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 9 2 Maintenance Procedures A suggested maintenance procedure to follow is outlined in Table 6 Table 6 Periodic Maintenance Procedures WARNING HIGH VOLTAGES ARE PRESENT IN AND AROUND TRANSFER SWITCH EQUIPMENT BEFORE INSPECTING OR MAINTAINING THIS EQUIPMENT DISCONNECT THE LINE POWER FROM THE EQUIP MENT BEING SERVICED BY OPENING AND LOCKING OUT IF POSSI BLE THE NEXT HIGHEST DISCONNECT DEVICE FAILURE TO FOLLOW THIS PROCEDURE COULD CAUSE PERSONAL INJURY AND OR DEATH WARNING THE CLOSED TRANSITION PRODUCT CONTAINS A SPECIAL CON TACT ARRANGEMENT OVERLAPPING CONTACTS MISUSE CAN RESULT IN DEATH SEVERE PERSONAL INJURY AND OR PROPERTY DAMAGE STEP ACTION a Make the transfer switch equipment safe for inspection and or mainte nance Disconne
49. plied with the transfer switch The main difference between the fixed and drawout versions of the Magnum switching devices used in the Magnum transfer switch is the mounting method Fixed switching devices are bolted directly into the transfer switch frame while drawout switching devices are mounted in an extendable carriage within the transfer switch allowing the switching device to be drawn out for service maintenance and or replacement NUMBER OF SWITCHING DEVICES SWITCHING DEVICE TYPE 2 Fixed 2 Drawouts 4 Drawouts IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 7 Fixed and Drawout Magnum Transfer Switches Figure 7 Fixed Switching Device for the Magnum Transfer Switch Figure 8 Drawout Switching Device Installed in the Magnum Transfer Switch 1 3 2 Magnum Drawout Switching Devices The Magnum drawout switching device is a design having three positions with the compartment door closed CONNECT TEST DISCONNECT and one position out of its compartment on the extendable carriage rails REMOVE The Magnum drawout switching device is equipped with both primary and secondary dis connects to provide for the drawout functioning The operating mechanism is a two step stored energy mechanism either manu ally or electrically operated When withdrawn on the extendable carriage rails Magnum switching devices can be inspected acces sory items added and mino
50. power sources These circuits automatically initiate an immedi ate transfer of power from the Source 1 to the Source 2 power source when the power source fails or the voltage level drops below a preset value Transfer back to the Source 1 power source is automatic upon return of the Source 1 power source Monitoring the power source is always performed on the line side of the power source to which the switch is connected The Source 1 power source is the preferred source and the transfer switch will always seek this source when it is available 7 3 Bypassing the Transfer Switch 7 3 1 Source 1 to Source 1 BYPASS The Source 1 switching device can be bypassed and isolated by the following sequence Figures 36 and 37 1 Move the generator selector switch to the OFF position to avoid nuisance starts 2 Close the Source 1 bypass switch manually The Source 1 bypassed light will illuminate 3 Open and rack out the Source 1 switching device see Section 6 The Source 1 isolated light will illuminate and the Source 1 position energized light will no longer be illuminated 4 Inspect and or perform the needed maintenance on the Source 1 switching device 5 Rack in the Source 1 switching device see Section 6 The Source 1 switching device will automatically recharge and close when it is in the CONNECT position The Source 1 iso lated light will no longer be illuminated but the Source 1 posi tion energized light will be illuminated 6 Ope
51. r maintenance performed The inside of the compartment can also be inspected with the switching device withdrawn on the extendable carriage rails Figure 9 Drawout Switching Device Fully Extended from the Magnum Transfer Switch 1 3 3 Magnum Fixed Switching Devices The Magnum fixed type switching device differs from the drawout version in that it has no levering device primary disconnects and secondary disconnects Figure 10 Primary and Secondary Connections on a Magnum Fixed Switching Device PRIMARY CONNECTIONS SECONDARY CONNECTIONS For more information visit www Eaton com IB01602011E Instructional Booklet Page 8 Effective March 2007 Fixed and Drawout Magnum Transfer Switches In addition a fixed switching device does not have a standard fea ture to hold the switching device in a trip free position Magnum fixed switching device terminals have holes for making bolted horizontal primary bus connections Adapters are available for making vertical primary bus connections Secondary connec tions can be made through standard terminal blocks or a special connector compatible with the drawout switching device s type secondary connector Both secondary connection devices are mounted at the top front of the switching device The Magnum fixed switching devices have two mounting feet one on each side to permit the switching device to be securely mounted to the transfer switch frame Each mounting foot has two slott
52. re will need to be tightened e Check all terminals and connectors for looseness or signs of overheat ing Overheating will show as discoloration melting or blistering of conductor insulation Connections that do not have signs of looseness or overheating should not be disturbed f Exercise the switching devices if they are not often exercised while in operation This will permit a wiping action by the contacts If a switching device is used for frequent switching during normal operation this step can be disregarded g Inspect NEMA 3R filters for blockage or contamination For NEMA 3R enclosed transfer switches with venting check that the air filters are clean and uncompromised Replace the filters as necessary h Return the transfer switch equipment to service Make certain that all barriers are in place and the doors are closed Reapply the Source 1 and Source 2 power For more information visit www Eaton com IB01602011E Instructional Booklet Page 32 Effective March 2007 Fixed and Drawout Magnum Transfer Switches 9 3 Cover Removal and Replacement Many of the maintenance procedures outlined in Table 6 require the removal and replacement of side and rear covers For all NEMA 1 and NEMA 3R enclosed transfer switches see Section 9 3 1 for cover removal and replacement instructions 9 3 1 Cover Removal and Replacement A 3 8 wrench or socket and ratchet is required to perform this procedure Cover Removal Step
53. s Institute National Fire Protection Association ANSI NFPA 70 and the NFPA No 76A and or b In stand by systems in accordance with article 702 of the NEC and or c In legally required stand by systems in accordance with article 701 of the NEC Eaton ATSs are available to meet NFPA 110 for emergency and stand by power systems and NFPA 99 for health care facilities when ordered with the appropriate options Since Eaton ATSs utilize specially designed switches and or switching devices as the main power switching contacts these devices must also be listed under the additional UL Standard 1066 UL utilizes two basic types of listing programs a Label Service and b Re examination UL1066 employs a label service listing program which requires an extensive follow up testing pro gram for listed devices Standard UL1008 for ATSs lists devices under the re examination program which only requires a continual physical re examination of the components used in the product to insure consistency with the originally submitted device Follow up testing IS NOT required by UL1008 Representative production samples of switches and switching devices used in Eaton ATSs are subjected to a complete test pro gram identical to the originally submitted devices on an ongoing periodic basis per UL1066 The frequency of such a re submittal can be as often as every quarter for a low ampere device Section 4 Installation and Wiring 4 1 General Eaton transfer swi
54. ssociated with the control refer to the sep arate instruction book pertaining to the logic package installed in the switch 1 1 1 Warranty and Liability Information No warranties expressed or implied including warranties of fit ness for a particular purpose of merchant ability or warranties arising from course of dealing or usage of trade are made regard ing 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 loss whatsoever including but not limited to damage or loss of use 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 con tained herein 1 1 2 Safety Precautions All safety codes safety standards and or regulations must be strictly observed in the installation operation and maintenance of this device 1 2 General Information Transfer switches are used to protect critical electrical loads against loss of power The Source 1 power source of the load is backed up by a Source 2 power source A transfer switch is con nected to both the Source 1 and Source 2 power sources and sup plies the load with power from one o
55. switch shows whether it is in the OPEN or CLOSED posi tion and the status of the stored energy mechanism The switching device is closed by energizing a solenoid that releases the spring mechanism A shunt trip will open the switch ing device if energized Figure 13 Terminal Connections for a Typical Drawout Transfer Switch 800 3200A Closed Transition Shown SOURCE 1 CABLE CONNECTIONS LOAD CABLE CONNECTIONS GROUND CABLE CONNECTIONS SOURCE 2 CABLE CONNECTIONS LEFT SIDE VIEW WITH PANELS REMOVED NEUTRAL CABLE CONNECTIONS IB01602011E For more information visit www Eaton com Instructional Booklet Effective March 2007 Page 13 Fixed and Drawout Magnum Transfer Switches 3 2 5 Drawout Mechanism The drawout mechanism is described in detail in Section 6 Figure 14 Figure 14 Drawout Mechanism Closed Transition Shown 3 3 Voltage Selection Panel 3 3 1 North American Voltage Selection 120 208 240 480 and 600 V 60 Hz The North American market voltage selection panel consists of multi tap transformers contained in a steel case mounted in the transfer switch enclosure Figure 15 The cover has teardrop holes for the screws to allow easy access to the transformers The voltage is selected by simply removing the wires from the default primary taps of both transformers and installing them on the primary taps for the desired voltage Taps are provided for 120 to 600 Vac to satisfy any required North
56. tches and push buttons depending upon the options required for a particular switch All switch doors are supplied with a heavy duty plastic accessory panel in place whether or not external devices are required When lights pushbuttons or switches are required they are normally mounted in the plastic door mounted panel Transfer switch enclosures and some internal steel mounting plates such as the transformer panel mounting plate go through a pre treatment cleaning system prior to painting to insure a dura ble finish Should the enclosure become scratched and in need of touch up paint use ANSI 61 All remaining steel is galvanized The standard switch enclosure is NEMA Type 1 for general indoor use Table 4 Table 4 Transfer Switch Equipment Enclosures NEMA TYPE DESIGN PROTECTION 1 Indoor Enclosed Equipment 3R Outdoor Rain Ice Formation For more information visit www Eaton com IB01602011E Instructional Booklet Page 16 Effective March 2007 Fixed and Drawout Magnum Transfer Switches 3 8 Standards Eaton transfer switch equipment is listed for application by UL and CSA In addition Eaton ATSs are listed in File E38116 by UL Inc under Standard UL 1008 This standard covers require ments for ATSs intended for use in ordinary locations to provide for lighting and power as follows a In emergency systems in accordance with articles 517 and 700 in the National Electrical Code NEC American National Standard
57. tches are factory wired and tested Installation requires solidly mounting the enclosed unit and connecting the power cables and auxiliary pilot circuits Physical mounting proce dures and power cable connections are covered in this section All other required wiring or electrical connection references are covered in a separate Customer Wiring Diagram packaged with the transfer switch Locate the wiring booklet review it and keep it readily available for reference purposes during installation and testing 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 electri cal checks are outlined in Section 8 1 of this instruction manual 4 2 Mounting Location Choose a location that offers a flat rigid mounting surface capa ble of supporting the weight of the enclosed transfer switch equipment Avoid locations that are moist hot or dusty How ever Eaton offers enclosure designs that can be used in special environments If there are any doubts as to the suitability of the location discuss it with your Eaton representative Check to make certain that there are no pipes wires or other haz ards in the immediate area that could create a problem The pan els provide ample room for rear cable entry from top bottom and sides At no time should cable be routed to retard the action of relays or cover the logic
58. tep 4 Remove any braces or packing used to protect the trans fer switch or internal components during shipping 4 4 Mounting Procedure With the enclosed transfer switch equipment unpacked and ready for mounting proceed with the following steps Step 1 Mounting and cabling access is best provided by remov ing side and rear covers when applicable See Section 9 3 for cover removal instructions Step 2 Gently maneuver the switch into its location using all of the supplied lift brackets Step 3 Bolt the enclosure to the base Use separate cleats Option 42 only if Seismic Uniform Building Code UBC Zone 4 certification is desired Figure 20 and secure with 1 2 13 UNC Grade 5 hex bolts Step 4 Tighten bolts to 50 ft lbs 68 Nm Step 5 Double check to ensure that all packing and shipping material has been removed Figure 20 Seismic Tested and Approved Product Mounting Instructions CAUTION SINCE THE ENCLOSED TRANSFER SWITCH MUST BE LIFTED INTO PLACE FOR MOUNTING BE CERTAIN THAT ADEQUATE RESOURCES ARE AVAILABLE FOR LISTING TO AVOID PERSONNEL INJURIES OR EQUIPMENT DAMAGE CAUTION EXTREME CARE SHOULD BE TAKEN TO PROTECT THE TRANSFER SWITCH FROM DRILL CHIPS FILLINGS AND OTHER CONTAMI NANTS WHEN MAKING THE CABLE ENTRY HOLES AND MOUNTING THE ENCLOSURE TO PREVENT COMPONENT DAMAGE OR A FUTURE MALFUNCTION NOTICE CABLE ENTRY HOLES ARE NOT PART OF THE ENCLOSURE WHEN SHIPPED FROM THE FACTORY AND MUST BE PROVID
59. tton allows testing of the transfer switch Pushing the button two times will simulate a power failure causing the transfer switch to start the transfer sequence Pressing the button again will restore regular power Three position selector switch to control the generator AUTO The intelligence circuit of the transfer switch will start the generator if the Source 1 power source is not available OFF The intelligence circuit of the transfer switch will not be able to start the generator which eliminates nuisance starts during maintenance RUN The generator will run regardless of the availability of the Source 1 power source For more information visit www Eaton com IB01602011E Instructional Booklet Page 26 Effective March 2007 Fixed and Drawout Magnum Transfer Switches Figure 36 Magnum Bypass Lights The right door control panel has the following standard features 1 Light to indicate if the Source 1 switching device is isolated only if the Source 1 switching device is racked out 2 Light to indicate if the Source 2 switching device is isolated only if the Source 2 switching device is racked out 3 Light to indicate if the Source 1 bypass switching device is closed 4 Light to indicate if the Source 2 bypass switching device is closed 7 2 Automatic Operation The intelligence supervisory circuits on Eaton transfer switches constantly monitor the condition of both the Source 1 and Source 2
60. vides the label Suitable for use as Service Equipment and the features necessary to meet the requirements for the label Includes service disconnect with visible indication and neutral assembly with removable link Feature 16 must be selected sepa rately A Service Equipment Rated Transfer Switch without Ground Fault Protection Provides Service Equipment rating for an application that does not require ground fault protection B Service Equipment Rated Transfer Switch with Ground Fault Protection Provides Service Equipment rating for an applica tion that requires ground fault protection 41 Space Heater with Thermostat Provides a space heater and adjustable thermostat External con trol power is not required C Space Heater with Thermostat 400 Watts Provides a 400 Watt space heater with an adjustable thermostat 42 Seismic Certification Provides a Seismic Certified Transfer Switch with certificate for application that is Seismic Zone 4 under the California Building Code the Uniform Building Code and BOCA 3 7 Enclosure The rugged steel switch enclosure is supplied with four door hinges regardless of enclosure size to insure proper support of the door and door mounted devices The hinges have removable hinge pins to facilitate door removal The doors are supplied as standard with thumbscrew and padlock latches Cable entry holes are the customer s responsibility The door is used to mount a variety of lights swi
61. y to be levered With the switching device OPEN the levering device access door can be raised The levering device is hand operated using a standard 3 8 square drive and ratchet which is not provided Figure 33 As long as the access door is raised the switching device is held in the trip free condition Begin by rotating the levering in screw to the full counter clockwise DISCONNECT position Figure 33 Levering and Position Indication Close the compartment door and begin levering the switching device into its different positions using a clockwise ratcheting motion When the switching device is levered fully to the DISCONNECT or CONNECT position the levering shaft hits a hard stop Do NOT exceed 25 ft lb 33 9 Nm of torque or the levering mechanism may be damaged The position of the switching device within its compartment is indicated by color coded position indicators See Figure 29 through 32 Red Connect Yellow Test and Green Disconnect To remove the switching device from its compartment follow the procedure just described using a counter clockwise ratcheting motion 6 2 Fixed Switching Device The Magnum fixed type switching device differs from the drawout version in that it has no levering device primary disconnects and secondary disconnects Figure 34 In addition a fixed switching device does not have a standard feature to hold the switching device in a trip free position Figure 34

Eaton Electrical Magnum Transfer Switch User's Manual

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