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7000 Series ACTS
Operator’s
Automatic Closed–Transition Transfer Switches
Manual
H–design 600 through 1200 amps
TABLE OF CONTENTS
DANGER is used in this manual to warn of high
section-page
voltages capable of causing shock, burns, or death.
INSTALLATION ........................ 1-1
!
Mounting and Line Connections ......... 1-1
Auxiliary Circuits and Harness........... 1-2
WARNINGisusedinthismanualtowarn
Engine Starting Contacts ............... 1-2 of possible personal injury.
FunctionalTest ....
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Rating Label Nameplate The Transfer Switch nameplate includes data for each Each Automatic Closed–Transition Transfer Switch contains specific7000SeriesACTS. Use the switchonly withinthe a rating label to define the loads and fault circuit withstand/ limitsshownonthisnameplate.AtypicalCatalogNumber closing ratings. Refer to the labelon the Transfer Switch for isshownonthe next page withitselementsexplained. specificvalues. ! Catalog NumberIdentification Do notexceed the values on the rating labe
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field connections ground lug terminalblock TB Transfer Control &lights power connections Group 5 Controller Transfer Switch power connections 1200amp sizeintypicalenclosurewithlocationof customer connections
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SECTION1 INSTALLATION ASCO 7000 Series Automatic Closed–Transition Trans- Testing PowerConductors ferSwitches(ACTSs)arefactorywiredandtested.Field Do not connect the power conductors to the transfer installationrequiresmountingandconnectionofservice switch until they are tested. Installing power cables in cables, andauxiliary controlcircuits(if required). conduit, cable troughs and ceiling-suspended hangers often requires considerable force. The pulling of cables candamage insulationandstretch o
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INSTALLATION (continued) Engine Starting Contacts All customer connections, including the engine control contact connections, are located on terminal block TB whichismountedonthe topright sideof theenclosure. Refertothewiringdiagramprovidedwiththeautomatic transferswitchandconnect theengine startwirestothe appropriate terminals. See Figure 1–1andTable A. Table A. Engine start connections. When normal source Terminals on fails Terminal Block TB contact closes TB1 and TB2 contact opens TB1 and TB3
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INSTALLATION (continued) 1–Manual OperationTest Adetachablemaintenancehandleisprovidedontheframe of the Transfer Switch for maintenance purposes only. Manual operation of the transfer switch should be checkedbefore it isenergized(operatedelectrically). left side of ! transfer switch Do notmanually operate the transfer switch until bothpower sources are disconnected: open bothcircuitbreakers. 1. After deenergizing both power sources, open the enclosuredoor.Locateandremovethemaintenance Emergencys
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INSTALLATION (continued) Automatic Closed Transition Transfer Switch Transfer Transfer Switch Control Transfer Switch Connected Connected Transfer Extended Failure TS Retransfer Test To To Parallel To Locked Delay HOLD FOR Normal Emergency Bypass ( Time Synchronize Out 15 SECONDS) GREEN RED RED RED RED observe Normal Emergency Closed Source Source Alarm Transition these lights Accepted Accepted Bypass Reset GREEN RED Figure 1-6. Standard controls and indicators. Close the normalsource circuit br
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INSTALLATION (continued) Automatic Closed Transition Transfer Switch Transfer Transfer Switch Control Transfer Switch Connected Connected Transfer Extended Failure TS Retransfer Test To To Parallel To Locked Delay HOLD FOR Normal Emergency Bypass ( Time Synchronize Out 15 SECONDS) GREEN RED RED RED RED operate observe Normal Emergency Closed Source Source Alarm Transition these lights this switch Accepted Accepted Bypass Reset GREEN RED Figure 1-7. Standard controls and indicators. 3 --- Electri
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SECTION2 TESTING&SERVICE TRANSFER TEST DISCONNECTING THE CONTROLLER Operate the7000SeriesACTSatleast oncea monthby The harness disconnect plugs are furnished for repair following the five–step Electrical Operation Transfer purposes only and should not have to be unplugged. If Testprocedure onpage 1–5. the controller must be isolated, followthese steps: Disconnecting the Plugs PREVENTIVE MAINTENANCE ! Reasonable care in preventive maintenance will insure high reliability and long life for the 700
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TESTING&SERVICE (continued) 2. Use the maintenance handle to manually operate the MANUAL LOADTRANSFER transfer switch to the opposite source. First open the This procedure will manually transfer the load if the closed contacts, then close the other contacts. Do not controller is disconnected. leavebothclosed.SeeManual Operationon page1–3. ! 3. Thenremovethemaintenancehandle. Seepage1–3. Do notmanually operate the transfer switch ! until bothpower sources are disconnected (all conductors deenergi
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INDEX A I S alarmreset, 1–5, 2–2 inspection, 2–1 settings see ControllerUser’s Guide auxiliarycircuits, 1–2 installation, 1–1 indicators, contact position, 1–3 T C L test, functional, 1–2, 1–3, 1–4, 1–5 cable labels, lugs, 1–2 time delays, 2–1 engine start contacts, 1–2 preparation, 1–2 see ControllerUser’s Guide rating, cover catalognumber, inside cover TransferControlselectorswitch lights, 1–4, 1–5 RetransferDelay Bypass, 1–5 cleaning, 2–1 TransferTest, 1–5 lubrication, 2–1 closedtransitionbyp
