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381333–283 B
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 AT S
Automatic Transfer Switches
J–de si gn , 260, 400, & 600 A
DANGER is u sed in this m anual to warn of high
voltages capable of causing shock, burns, or death .
WARNINGisusedinthismanualto
warn of possible personal injury.
CAUTIONisusedinthismanualto
warn of possible equipment damage.
260 amp. s ize
Refer to the outline and wiring drawings provided
with your 7000 Serie s 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.
Rating Label
Eac h autom atic transfer switc h (ATS) has a rating lab el 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.
Namepl ate
The Transfer Switch nameplate includes data for each
specific ASCO 7000 Series ATS. Use the ATS only within
the limits shown on this nameplate.
An experienced licensed electrician must install the ATS.
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 through 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.........................