Asco 4000 series Operator's Manual
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Asco 4000 series Operator's Manual

Automatic open-transition transfer switches d–design 30–230a, j–design 260–600a, h-design 800–1200a, g-design 1600–4000a, f-design 4000a
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Operator's
Manual
DANGER is used in this manual to warn of a
hazardous 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 in death or serious injury.
CAUTION is used in this manual to warn of a
hazardous situation which, if not avoided, could
result in minor or moderate injury.
ASCO POWER TECHNOLOGIES CANADA PO Box 1238, 17 Airport Road, Brantford, Ontario, Canada N3T 5T3
Automatic Open-Transition Transfer Switches
D-design 30-230A, J-design 260-600A,
H-design 800-1200A, G-design 1600-4000A, F-design 4000A
Florham Park, NJ 07932-1591 USA
Call 1 800 800-2726 (ASCO) for sales or service
4000 Series ATS
Refer to the outline and wiring drawings provided with your
4000 Series ATS for all installation and connection details
and accessories.
Refer to Group 5 Controller User's Guide 381333-126 for
ATS status display messages, time delays, pickup &
dropout settings, and adjustments.
An experienced licensed electrician must install the ATS .
Each automatic 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 personal injury
or serious equipment damage.

TABLE OF CONTENTS

Removing the Shipping Skid, Supporting
Foundation, Mounting, Testing Power
Conductors,
Boxes, Bus Connections, Controller Ground,
Harnesses, Engine Starting & Auxiliary Circuits

Rating Label

381333-270 D
www.ascopower.com
page
1
2
3-7
3
4
5
6-9
6
8
9
10-11
10
11
12

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Summary of Contents for Asco 4000 series

  • Page 1: Table Of Contents

    Replacement Parts, Disconnecting the Controller Manual Load Transfer, Trouble-Shooting INDEX 381333-270 D Florham Park, NJ 07932-1591 USA Call 1 800 800-2726 (ASCO) for sales or service www.ascopower.com ASCO POWER TECHNOLOGIES CANADA PO Box 1238, 17 Airport Road, Brantford, Ontario, Canada N3T 5T3...

  • Page 2: Nameplate, Catalog Number Identification

    Nameplate Catalog Number Identification The Transfer Switch nameplate includes data for each Typical 4000 Series catalog no. for D-design, 3 pole, specific 7000 Series ATS. Use the switch only within the 150 amp, 480 V, in Type 1 enclosure: limits shown on this nameplate. A typical catalog number is shown on the next page with its elements explained.

  • Page 3: Installation

    Operator’s Manual Series 4000 Automatic Transfer Switch Installation ASCO 4000 Series Automatic Open–Transition Transfer Switches are factory wired and tested. Field installation simply requires mounting and connection of service cables, De–energize the conductors before making any line or and auxiliary control circuits (if required).

  • Page 4: Connecting Power Conductors, Auxiliary Cable

    Auxiliary Cable Boxes For 1000 & 1200 amp. sizes, an auxiliary cable box is A Wiring Diagram is furnished with the ASCO 4000 required for all (normal, emergency, & load) bottom or top Series ATS (separate from this manual). Refer to this entry.

  • Page 5: Engine Starting Contacts

    10 amps 250 V AC general purpose FEATURE 14AA closed on normal Figure 3. Connections to engine starting contact terminal block for 260 through 1200 amp. J– and H–design transfer switches. 381333-270D ASCO Power Technologies Page 5...

  • Page 6: Functional Test

    4000 amp. F–design See Figure 9. upper contacts closed Emergency Insert the manual handle into the hole in the weigh N = O lower contacts open down Now continue to 2 – Voltage Checks on page 8 Page 6 ASCO Power Technologies 381333-270D...
  • Page 7 Turn clockwise DOWN DOWN to close top to close bottom contact position (Emergency) contacts. (Normal) contacts. indicators (left side) Figure 8. Removable maintenance handle and positions on 1600 – 4000 amp. G–design transfer switches. 381333-270D ASCO Power Technologies Page 7...

  • Page 8: Functional Test - Voltage Checks

    Press the Lamp Test button to verify that all right) should go off. Then set the five lights work. generator’s starting control switch to automatic. Remove all Now continue to 3 – Electrical Operation on next page. meters; close enclosure door. Page 8 ASCO Power Technologies 381333-270D...

  • Page 9: Functional Test - -Electrical Operation

    Group 5 Controller User’s Guide 381333–126. running engine cooldown). Password information and time delay settings are also The emergency source Accepted light (upper right) should go off. provided there. This completes the Functional Test of the ATS. 381333-270D ASCO Power Technologies Page 9...

  • Page 10: Testing & Service

    The harness disconnect plugs are furnished for repair TRANSFER TEST purposes only and should not have to be unplugged. If the Operate the 4000 Series ATS at least once a month by controller must be isolated, follow these steps. following the five–step Electrical Operation Transfer Test procedure on page 9.

  • Page 11: Manual Load Transfer, Trouble-Shooting

    * These are factory settings. Refer to the Group 5 Controller User’s Guide. If the problem is isolated to circuits on the controller or the transfer switch, call your local ASCO Power Technologies sales office or ASCO Power Services, Inc.: in the United States or Canada, call 1–800–800–2726. Furnish the Serial No., Catalog No., and Bill of Material (BOM) No.

  • Page 12: Index

    10 voltage, pickup and dropout settings sequence of, 11 help see Controller User’s Guide optional accessories customercare@ascopower.com see Controller User’s Guide 800–800–ASCO (2726) Printed in U.S.A ©2009 ASCO Power Technologies. All Rights Reserved. Page 12 ASCO Power Technologies 381333-270D...

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D4ats series

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