Edimax Technology EW-7748In Network Card User Manual
Contents
1. Installation Manual Replacement Parts When ordering replacement parts provide the Serial No Bill of Material No BOM and Catalog No from the transfer switch nameplate In the US call 800 800 2726 ASCO or contact customercare asco com Manual Load Transfer This procedure will manually transfer the load if the controller is disconnected Do not manually operate the transfer switch until both power sources are disconnected open both circuit breakers 1 Deenergize both the normal and emergency source open both circuit breakers 2 Use the maintenance handle to manually operate the transfer switch to the opposite source See pages 3 and 4 Manual Operation 3 Close the enclosure door If the transfer switch is in the emergency position manually start the generator and then close the emergency source circuit breaker S EMERSON 381333 406 Installation Manual Troubleshooting Problem For 3ATS amp 3ADTS the engine generator set does not start when the transfer test button is pressed or when the Normal source fails For 3ATS amp 3ADTS the transfer switch does not transfer the load to the emergency source after the gen set starts For 3ATS amp 3ADTS the transfer switch does not transfer the load to normal source when normal returns or after transfer test For 3ATS amp 3ADTS the generator does not stop after load retransfer to the normal source For 3ADTS amp 3ADTS the load is d2. indicators on right side S EMERSON 381333 406 Installation Manual Functional Test The functional test consists of three checks manual operation voltage checks and electrical operation NOTICE Do these checks in the order presented to avoid damaging the transfer switch 1 Manual Operation A maintenance handle is provided on the transfer switch for maintenance purposes only Manual operation of the transfer switch should be checked before it is energized operated electrically Do not manually operate the transfer switch until both power sources are disconnected open both circuit breakers 1 After deenergizing both power sources open the enclosure door Locate and remove the maintenance handle from the clip on the left side of the transfer switch See Figures 3 4 and 5 See Figure 2 for the contact position indicators 2 Install the handle into the hole in the molded hub Move the handle up or down as shown to manually operate the transfer switch It should operate smoothly without any binding If it does not check for shipping damage or construction debris 3 3ADTS and 3NTS have two contact shaft hubs See Figure 5 4 Return the transfer switch to the Normal position Note If Normal and Emergency connections are reversed this operation is also reversed S 381333 406 EMERSON ASCO Power Technologies ASCO 3ATS 3ADTS 3NTS 3NDTS maintenance Turn counterclockwise to Emerg
3. manually at the generator The emergency source accepted light should come on For 3ATS amp 3ADTS the transfer switch should transfer to the emergency position The load on emergency light should come on and the load on normal light should go off For 3NTS amp 3NDTS press the transfer button for load transfer For 3ADTS amp 3NDTS both lights will be off during the delayed transition transfer time delay If the transfer to emergency delay is used the transfer occurs after a time delay For immediate transfer bypass timer press the transfer button again For 3ATS amp 3ADTS the transfer switch should transfer back to the normal position The load on normal light should come on and the load on emergency light should go off For 3NTS amp 3NDTS press the transfer button for load retransfer For 3ADTS amp 3NDTS both lights will be off during the delayed transition transfer time delay If the retransfer to normal delay is used the retransfer should occur after a time delay For immediate retransfer bypass timer press the transfer button again For 3ATS amp 3ADTS the unloaded running delay keeps the generator running for a cool down period Then the generator should stop and the emergency source accepted light should go off For 3NTS amp 3NDTS manually stop the generator at the generator after a cool down period Page 5 ASCO 3ATS 3ADTS 3NTS 3NDTS Testing amp Service Transfer Test Operate the
4. required 381333 406 EMERSON Satin ele Do MELWOIK FOV ASCO Power Technologies Table of Contents INSTALLATION Mounting Power Connections Engine Starting Contacts FUNCTIONAL TEST 1 Manual Operation 2 Voltage Checks 3 Electrical Operation TESTING amp SERVICE Transfer Test Preventive Maintenance Manual Load Transfer Supporting Foundation The supporting foundation for the enclosure must be level and straight Refer to the applicable enclosure outline drawing included with the transfer switch for all mounting details including door opening space If bottom cable entry is used the foundation must be prepared so that the conduit stubs are located correctly Refer to the enclosure outline drawing for specified area and location Provide cable bending space and 1 inch minimum clearance to live metal parts When a concrete floor is poured use interlocking conduit spacer caps or a wood or metal template to maintain proper conduit alignment Mounting Refer to the outline and mounting diagram and mount the transfer switch according to details and instructions shown on the diagram Mount it vertically to a rigid supporting structure Level all mounting points by using flat washers behind the holes to avoid distortion of the transfer switch NOTICE Protect the transfer switch from construction grit and metal chips to prevent malfunction or shortened life of the transfer switch 381333 406 Page 1 ASC
5. transfer switch at least once a month by following the Electrical Operation procedure on page 6 Preventive Maintenance Reasonable care in preventive maintenance will insure high reliability and long life for the transfer switch An annual preventive maintenance program is recommended ASCO Services Inc ASI is ASCO Power Technologies national service organization ASI can be contacted at 1 800 800 2726 for information on preventive maintenance agreements Yearly Inspection Hazardous voltage capable of causing shock burns or death is used in this transfer switch Deenergize both Normal amp Emergency power sources before performing inspections Clean the enclosure Deenergize all sources then brush and vacuum away any excessive dust accumulation Remove moisture with a clean cloth Inspect the transfer switch contacts Deenergize all sources then remove the transfer switch barriers and check the contact condition Replace contacts when pitted or worn excessively Reinstall the barriers carefully Maintain transfer switch lubrication Under normal operating conditions no further lubricating is required Renew factory lubrication if the transfer switch is subjected to severe dust abnormal operating conditions or if the TS coil is replaced Order lubrication kit 75 100 Check all cable connections amp retighten them Torque to values shown on the transfer switch label Page 6 ASCO Power Technologies
6. Installation Manual Installation Manual ASCO 3ATS 3ADTS 3NTS 3NDTS ASCO 3ATS 3ADTS 3NTS 3NDTS G design 1600 3000 A Transfer Switches DANGER DANGER is used in this manual to warn of a hazard situation which if not avoided will result in death or serious injury WARNING is used in this manual to warn of a hazardous situation which if not avoided could result death or serious injury a CAUTION CAUTION is used in this manual to warn of a hazardous situation which if not avoided could result in minor or moderate injury Refer to the outline and wiring drawings provided with the 3ATS 3NTS 3ADTS or 3NDTS for all installation and connection details and accessories Refer to User s Guide 381333 400 for the Goup G Controller status display messages time delays pickup and dropout settings and adjustments Rating Label Each transfer switch contains a rating label to define the loads and fault circuit withstand closing ratings Refer to the label on the transfer switch for specific values Do not exceed the values on the rating label Exceeding the rating can cause person injury or serious equipment damage An experienced licensed electrician must install the transfer switch Installation These transfer switches are factory wired and tested Installation requires mounting connecting service cables and connecting engine start and auxiliary control circuits 1f
7. MERSON Network Power Press this button Figure 7 Transfer button and indicator lights 3 Electrical Operation This procedure will check the electrical operation of the transfer switch Close the transfer switch enclosure door and tighten the screws before you test electrical operation Perform steps 1 through 5 at the right Observe the status lights See Figure 7 Black circle means light is on O White circle means light 1s off NOTE For 3NTS manually start the emergency generator at the generator Then press the transfer button for load transfer If the inphase transfer feature is activated transfer may not occur immediately Transfer will occur when the phase relationship between sources is correct Press the transfer button again for load retransfer to normal then manually stop the generator at the generator Also see User s Guide 381333 400 for inphase transfer and time delay settings in the controller This completes the functional test of the transfer switch Leave the engine generator starting control in the automatic position S 381333 406 EMERSON ASCO Power Technologies ASCO 3ATS 3ADTS 3NTS 3NDTS The normal source must be available and the generator must be ready to start Check that the normal source accepted light is on For 3ATS amp 3ADTS press the transfer button The engine should start and run within 15 seconds For 3NTS amp 3NDTS the generator must be started
8. O 3ATS 3ADTS 3NTS 3NDTS Line Connections Refer to the wiring diagram provided with the transfer switch All wiring must be made in accordance with the National Electrical Code and local codes De energize the conductors before making any line or auxiliary circuit connections Be sure that the Normal and Emergency line connections are in proper phase rotation Place the engine generator starting control in the OFF position Make sure engine generator is not in operation Testing Power Conductors Do not connect the power conductors to the transfer switch until they are tested Installing power cables in conduit cable troughs and ceiling suspended hangers often requires considerable force The pulling of cables can damage insulation and stretch or break the conductor s strands For this reason after the cables are pulled into position and before they are connected they should be tested to verify that they are not defective or have been damaged during installation Connecting Power Cables After the power cables have been tested connect them to the appropriate terminal lugs on the transfer switch as shown on the wiring diagram provided with the transfer switch Make sure that the lugs provided are suitable for use with the cables being installed Standard terminal lugs are solderless screw type and will accept the wire sizes listed on the drawings provided with the transfer switch Be careful when stripping insulation from th
9. e 6 Four indicator lights check phase to phase and phase to neutral voltages present at the transfer switch 2 Voltage Checks emergency source terminals First check the nameplate on the transfer switch rated voltage must be the same as normal and emergency line voltages Use a phase rotation meter to check phase rotation of emergency source it must be the same at the normal source Use extreme caution when using a meter to measure voltages in the following steps Do not touch power terminals shock burns or death could result Shut down the engine generator if applicable The emergency source accepted light should go off Then put the starting control selector switch on the generator set in the automatic position Perform steps 1 through 6 at the right Observe the indicator Close the enclosure door lights See Figure 6 ERIS A s bf amp POSDA Continue to 3 Electrical Operation on the next page Black circle means the light is on Use an accurate voltmeter to 4 O White circle means the light is off If necessary adjust the voltage regulator on the generator according to the manufacturer s recommendations The transfer switch will respond only to the rated voltage specified on the transfer switch nameplate Also see User s Guide 381333 400 for voltage settings in the controller Page 4 ASCO Power Technologies EMERSON 381333 406 Installation Manual E
10. e cables avoid nicking or ringing the conductor Remove surface oxides from cables by cleaning with a wire brush When aluminum cable is used apply joint compound to conductors Tighten cable lugs to the torque specified on rating label Harnesses The transfer switch is connected to the left side of the controller by a plug in harness two plugs Auxiliary Circuits Connect auxiliary circuit wires to appropriate terminals on the transfer switch as shown on the wiring diagram Controller Ground A grounding wire must be connected to the controller s lower left mounting stud Because the controller is mounted on the enclosure door a conductive strap must be used between the enclosure and the door This connection provides proper grounding which does not rely upon the door hinges Page 2 ASCO Power Technologies Installation Manual Engine Starting Contacts The engine control contact connections if used are located on the transfer switch for 3ATS amp 3NTS or in the upper right side of the enclosure for 3ADTS amp 3NDTS Connect signal wires to appropriate terminals as specified in Table A and shown in Figure 1 Table A Engine Start Connections Terminals on When normal source fails transfer switch contact opens TB1 and TB3 Figure 1 Engine start and auxiliary circuit terminal block Emergency contacts window indicators OPEN or CLOSED Normal contacts Figure 2 Main contact position
11. eenergized off Load Disconnect Timer on display GO Not in auto light is always on O Alert light is on S 381333 406 EMERSON ASCO 3ATS 3ADTS 3NTS 3NDTS Check in Numerical Sequence Starting control must be in automatic position Batteries must be charged and connected Check wiring to the engine starting contacts The outage must be long enough to allow for the feature 1C time delay plus engine cranking and starting time Voltmeter should read at least 90 of nominal phase to phase voltage between transfer switch terminals EA and EC or EL1 and EL2 for 2 pole switches There are factory settings Wait for the feature 2B time delay For immediate transfer press the transfer button bypass timer If inphase transfer is active wait for inphase condition For 3NTS amp 3NDTS press the transfer button Is the generator accepted light on Generator output circuit breaker must be closed Generator frequency must be correct Wait for the feature 3A time delay For immediate retransfer press the transfer button bypass timer If inphase transfer is active wait for inphase condition For 3NTS amp 3NDTS press the transfer button Voltmeter should read at least 90 of nominal phase to phase voltage between transfer switch terminals NB and NC NC and NA and NA and NB or NL1 and NL2 for 2 pole switches Wait for the feature 2E delay Starting control must be in au
12. ency Turn clockwise Grasp to Normal handle insert firmly slide hub handle onto shaft into hole Clockwise DOWN closes the Normal source contacts lower and opens the Emergency source contacts upper Counterclockwise DOWN closes the Emergency source contacts upper and opens the Normal source contacts lower Figure 4 Maintenance handle operation on 3ATS amp 3SNTS maintenance handle S insert handle into hole in hub slide hub onto shaft and insert the pin nar Clockwise DOWN CLOSES the contacts Pull out shaft to close Emergency source contacts upper Counterclockwise DOWN OPENS the contacts Pull out shaft to open Emergency source contacts upper Push in shaft to open Normal Push in shaft to close Normal source contacts lower source contacts lower Figure 5 Maintenance handle on 3ADTS amp 3NDTS Page 3 ASCO 3ATS 3ADTS 3NTS 3NDTS Installation Manual Close the normal source circuit breaker The normal source accepted and the load on normal lights should come on a ASCO Network Power Use an accurate voltmeter to check phase to phase and phase to neutral voltages present at the transfer switch normal source terminals Close the emergency source circuit breaker Start generator if necessary The emergency source accepted light should come on a TOA RY S Normal Source Load on Load on Emergency Accepted Normal Emergency Source Accepted Figur
13. n normal light 4 5 lubrication 6 maintenance 6 V maintenance handle 3 6 voltage checks 4 7 WARNING 3 6 manual load transfer 6 W WARNING 3 6 WARNING statements 1 3 5 6 manual operation 3 WARNING 3 6 manual transfer 3NTS 5 membrane controls 4 5 mounting 2 N non automatic 3NTS 5 7 normal source accepted light 4 5 not in auto light 7 O operation electrical 5 P phase rotation 4 preventive maintenance 6 problem 7 R rating label 1 replacement parts 6 retransfer button 5 7 ASCO Power Technologies L P 2013 ASCO Power Technologies EMERSON 381333 406
14. tomatic position Wait for the delayed transition transfer timer See User s Guide 381333 400 For 3NTS amp 3NDTS this light is always on indicating it is a manual transfer switch Read the display for more information Refer to User s Guide 381333 400 ASCO Power Technologies Page 7 ASCO 3ATS 3ADTS 3NTS 3NDTS A alert light 7 see User s Guide 381333 400 ASI is ASCO Services Inc 800 800 2726 ASCO customercare asco com automatic operation 3ATS 5 auxiliary circuits 2 B battery 7 C cables power 2 connections 2 controller see User s Guide 381333 400 controller ground 3 cooldown generator 5 7 D DANGER statements 1 2 4 6 E electrical operation 5 emergency source accepted light 4 5 engine starting contacts 2 F foundation 2 frequency 7 functional test 3 G generator 3 4 5 7 ground controller 2 H harness 2 HELP 800 800 2726 ASCO customercare asco com Printed in U S A Page 8 Installation Manual INDEX S inphase transfer feature 5 7 source acceptable lights 4 5 inspection 6 starting contacts 3 installation 2 starting control 7 insulator backing piece 2 starting problem 4 7 WARNING 2 stopping problem 7 L T terminals 2 3 testing power conductors 2 time delays 5 7 transfer button 5 7 transfer problem 7 troubleshooting 7 lights 4 5 7 line connections 2 load on emergency light 4 5 load o
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