User Guide

ManualsBrandsEmerson ManualsOtherTHROUGH 1200

381333–203 C

50 Hanover Road, Florham Park, New Jersey 07932–1591 USA

For sales or service call 1 800 800–2726 (ASCO) www.ascopower.com

ASCO POWER TECHNOLOGIES CANADA PO Box 1238, 17 Airport Road, Brantford, Ontario, Canada N3T 5T3

telephone 519 758–8450, fax 519 758–0876, for service call 1 888 234–2726 (ASCO) www.asco.ca

Operator’s

Manual

7000 Seri es ACT S

Automatic Closed–Transition Transfer Switches

H–d es ig n 600 thro ug h 1200 amp s

TABLE OF CONTENTS

section-page

INSTALLATION 1-1........................

Mounting a nd Line Connections 1-1.........

Auxiliary Circuits and Harness 1-2...........

Engine Starting Contacts 1-2...............

Functional Test 1-2, 1-3, 1-4, 1-5.............

TESTING & SERVICE 2-1..................

Transfer Test 2-1..........................

Preventive Maintenance 2-1................

Disconnecting the Controller 2-1............

Manual Load Transfer 2-2..................

Trouble- Shooting 2-2......................

INDEX back cover.........................

Note: Refer to the outline and wiring dra wings

provided with your 7000 Series ACTS for all

installation and connection details and accessories.

An ex perienced licensed electrician must install the ACTS.

600---1000 amp. size

DANGER is used in this manual to warn of high

voltages capable of causin g shoc k, burns, or death.

WARNINGisusedinthismanualtowarn

of possible personal injury.

CAUTIONisusedinthismanualtowarn

of possible equipment damage.

Refer to Group 5 Controller User’s Guide 381333–126

for ATS status display messages, time delays, pickup

& dropout settings, and adjustments.

1200 amp. size

Summary of content (11 pages)

PAGE 1
7000 Series ACTS Operator’s Manual Automatic Closed–Transition Transfer Switches H–design 600 through 1200 amps TABLE OF CONTENTS section-page INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Mounting and Line Connections . . . . . . . . . 1-1 Auxiliary Circuits and Harness . . . . . . . . . . . 1-2 Engine Starting Contacts . . . . . . . . . . . . . . . 1-2 Functional Test . . . . . . . . . . . . . 1-2, 1-3, 1-4, 1-5 TESTING & SERVICE . . . . . . . . . . . . . . . . . . Transfer Test . . .
PAGE 2
Rating Label Nameplate Each Automatic Closed–Transition 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. The Transfer Switch nameplate includes data for each specific 7000 Series ACTS. Use the switch only within the limits shown on this nameplate. A typical Catalog Number is shown on the next page with its elements explained.
PAGE 3
field connections terminal block TB ground lug Transfer Control & lights power connections Group 5 Controller Transfer Switch power connections 1200 amp size in typical enclosure with location of customer connections
PAGE 4
SECTION 1 INSTALLATION ASCO 7000 Series Automatic Closed–Transition Transfer Switches (ACTSs) are factory wired and tested. Field installation requires mounting and connection of service cables, and auxiliary control circuits (if required). Remove the Shipping Skid (large ACTSs) For large ACTSs, open the front door and remove the four lag screws (2 in front, 2 in rear) securing enclosure to the wood skid.
PAGE 5
INSTALLATION (continued) Engine Starting Contacts All customer connections, including the engine control contact connections, are located on terminal block TB which is mounted on the top right side of the enclosure. Refer to the wiring diagram provided with the automatic transfer switch and connect the engine start wires to the appropriate terminals. See Figure 1–1 and Table A. Table A. Engine start connections.
PAGE 6
INSTALLATION (continued) 1 – Manual Operation Test A detachable maintenance handle is provided on the frame of the Transfer Switch for maintenance purposes only. Manual operation of the transfer switch should be checked before it is energized (operated electrically). left side of transfer switch ! Do not manually operate the transfer switch until both power sources are disconnected: open both circuit breakers. 1. 2. 3. After deenergizing both power sources, open the enclosure door.
PAGE 7
INSTALLATION (continued) Automatic Closed Transition Transfer Switch Transfer Transfer Switch Transfer Switch Control Connected Connected Retransfer Transfer Test To To Delay HOLD FOR Normal Bypass (15 SECONDS ) Emergency observe these lights GREEN RED Normal Source Accepted Emergency Source Accepted GREEN RED Extended Parallel Time RED Figure 1-6. Standard controls and indicators.
PAGE 8
INSTALLATION (continued) Automatic Closed Transition Transfer Switch Transfer Transfer Switch Transfer Switch Control Connected Connected Retransfer Transfer Test To To Delay HOLD FOR Normal Bypass (15 SECONDS ) Emergency observe these lights GREEN RED Normal Source Accepted Emergency Source Accepted GREEN RED Extended Parallel Time RED operate this switch Failure To Synchronize TS Locked Out RED RED Alarm Reset Closed Transition Bypass Figure 1-7. Standard controls and indicators.
PAGE 9
SECTION 2 TESTING & SERVICE TRANSFER TEST DISCONNECTING THE CONTROLLER Operate the 7000 Series ACTS at least once a month by following the five–step Electrical Operation Transfer Test procedure on page 1–5. The harness disconnect plugs are furnished for repair purposes only and should not have to be unplugged.
PAGE 10
TESTING & SERVICE MANUAL LOAD TRANSFER (continued) 2. Use the maintenance handle to manually operate the transfer switch to the opposite source. First open the closed contacts, then close the other contacts. Do not leave both closed. See Manual Operation on page 1–3. This procedure will manually transfer the load if the controller is disconnected. ! 3. Then remove the maintenance handle. See page 1–3.
PAGE 11
INDEX A I alarm reset, 1–5, 2–2 inspection, 2–1 auxiliary circuits, 1–2 installation, 1–1 C cable lugs, 1–2 preparation, 1–2 catalog number, inside cover cleaning, 2–1 closed transition bypass, 1–5, 2–2 connections line, 1–1 contact position indicators, 1–3 controller, 1–1 disconnecting, 2–1 see Controller User’s Guide E electrical operation, 1–5 emergency source accepted light, 1–4 extended parallel time, 2---2 F failure to synchronize, 2---2 frequency, generator, 2–2 functional test, 1–2, 1–3, 1–