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7000 Series ACTS
Operator’s
Automatic Closed–Transition Transfer Switches
Manual
E–design 150–400A, F–design 600–800A,
G–design 1000–4000A, F–design 3000–4000A,
Refer to the outline and wiringdrawings provided
with your 7000 Series ACTS for allinstallation and
DANGER is used in this manual to warn of high
connection details and accessories.
voltages capable of causing shock, burns, or death.
Refer to Group 5 Controller User’s Guide
381333–126 for ATS status display messages, time
delays, pickup
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Catalog Number Identification Typical 7000 Series catalog no. for E–design switched neutral, 3 pole, 400 amp, 480 V, ACTS in Type 1 enclosure: E 7ACTS C 3 400 N 5 C design prefix letter Neutral PhasePoles Amperes Voltage Controller Enclosure A –solid 2–singleØ A 115 5–standard C –type1 150 1000 J 400 B–switched 260 3–threeØ 1200 B 120 K 415 5X–if F–type3R accessories 400 G–type4 C –overlapping C 208 L 440 1600 ordered 600 L –type12 2000 blank–none D 220 M 460 800 blank–opentype 3000 E 230 N 480
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SECTION1 INSTALLATION ASCO Series 7000 AutomaticClosed–Transition Transfer Switches are factory wired and tested. Field installation simply requires mountingand connection of service De–energize the conductors before making any line orauxiliary circuitry connections. Be sure cables, and auxiliary controlcircuits (if required). thatNormal and Emergency line connections Remove the Shipping Skid are in proper phase rotation. Place engine gen- erator starting control in the OFFposition. Forlargeswit
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INSTALLATION (continued) TightenboltedjointstothetorquespecifiedinTableA. Engine Starting Contacts The engine controlcontact connections(ifused)are located onthe transferswitch. Connect signalwiresto The reliablility of the connection depends appropriateterminalsasspecifiedinTableBandshown onhowcleanand howtightthejointis. inFigure 1–1. Table B. Engine start connections Table A. Tightening torque values for bolted joints (Grade 5 hardware) When normal Terminals on source fails transferswitch Bol
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INSTALLATION (continued) handle shafts handle handle Figure 1-2. Figure 1-3. Figure 1-4 150 – 400 A (3 pole) 600 & 800 A (& 4 pole 400 A) 3000 & 4000 A E–design switches F–design switches F–design transfer switches 1000 through 4000 amp. G–design SeeFigure1-5. 1–ManualOperation Installthe hub(with pin) onto the shaft and insert the Adetachablemanualoperatorhandleisprovidedonthe manualfirmlyintothesideholeinthehub. Pushin Transfer Switchesformaintenancepurposesonly. or pullout hubto engage opposi
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INSTALLATION (continued) GREEN RED RED RED RED observe these lights GREEN RED Figure 1-6. Standard controls and indicators. Close the normal source circuit breaker. The Transfer Switch 2 --- Voltage Checks 1 Connected To Normal and the First check nameplate on transfer switch;rated voltage Normal Source Accepted lights should come on. mustbethesameasnormalandemergencylinevoltages. Use an accurate voltmeter to check phase to phase and Verify thatthe feeders have been 2 phase to neutral voltages p
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INSTALLATION (continued) GREEN RED RED RED RED observe operate these lights this switch GREEN RED Figure 1-7. Standard controls and indicators. 3 --- ElectricalOperation The Transfer Switch Connected To Normal and Normal Source 1 Thisprocedure willcheck the electricaloperationof the Accepted lights should be on. AutomaticClosed–TransitionTransferSwitch. See Figure 1---7. Turn and hold Transfer Control switch clockwise to Transfer Test until the engine starts and runs 2 Besureto closetheenclosure
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SECTION2 TESTING&SERVICE TRANSFERTEST DISCONNECTINGTHE CONTROLLER Operate the 7000 Series ACTS at least once a month The harness disconnect plugs are furnished for repair by followingthe five–step Electrical Operation purposes only and should not have to be unplugged. Transfer Testprocedure on page 1–5. If the controller must be isolated, followthese steps: Disconnecting the Plugs PREVENTIVEMAINTENANCE Reasonable care inpreventive maintenance willinsure high reliability and longlife for the 7000
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TESTING&SERVICE (continued) 2. Usethemaintenancehandletomanuallyoperatethe MANUALLOADTRANSFER transfer switch to the opposite source. First open the Thisprocedure willmanually transferthe loadif the closed contacts, then close the other contacts. Do not controller is disconnected. leave both closed.See Manual Operation on page 1–3. 3. Thenremovethemaintenancehandle. Seepage1–3. Do notmanually operate the transferswitch until bothpowersources are disconnected (all conductors deenergized). Verify
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INDEX A I R alarmreset, 1–5, 2–2 inspection, 2–1 ratinglabel, cover auxiliarycircuits,1–2 installation, 1–1 replacementparts,2–1 L C S labels, cable settings enginestartcontacts, 1–2 lugs, 1–2 see Controller User’s Guide rating, cover preparation,1–2 lights, 1–4, 1–5 catalognumber, inside cover T lubrication,2–1 cleaning, 2–1 test, functional, 1–2, 1–3, 1–4, 1–5 closedtransitionbypass, 1–5, 2–2 M timedelays, 2–1 see Controller User’s Guide connections maintenancehandle, 1–3 line, 1–1 TransferCon
