Emerson 185 Handbook

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381333–319 E
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
Operator’s
Manual
Seri es 185
Automatic Transfer Switches
100 t hrou gh 400 am pe re size s
DANGER is used in this manual to warn of a
hazard situation which, if not avoided, will result in
death or serious injury.
WARNING is used in this manual to w arn of a
hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION is used in this m anual to warn of a
hazardous situation which, if not avoided, could
result in minor or moderate injury.
An ex perienc ed licensed electrician mu st inst all the ATS .
100–230 ampere sizes
Refer to the outline and wiri ng drawings provide d with
your ASCO Series 185 ATS for all i nstallation details.
A SCO Series 185 A utomatic Transfer Switches (ATSs) are
Listed under Underwriter’s Laboratories Standard for
Transfer Switch Equipment, UL–1008. They are intended
for use only in optional standby system s in acco rdan c e with
the National Electrical Code, NEC/NFPA 70, Article 702.
This ATS is for use with 2–w ir e automatic–s tar t gen er ato rs
only.
Refer to Application Information 381339–292 to confirm
that you have selec ted the appropriate produc t for the
intend ed instal l atio n .
This automatic transfer switch is intended for standby
power applications in residential / light commercial use
only.
This product is not intended for emergency
or life–support systems.
If you have mor e strin g e nt application requ ire m en ts contac t
A SCO Power Technol og ies for other produc ts suitabl e for
cr itic al appl ications.
Rating Label
Eac h autom atic transfer switc h contains 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 person injury or
serious equipment damage.
TABLE OF CONTENTS
page
INSTALLATION 1..........................
CONTROLLER 2–5........................
FUNCTIONAL TEST 6......................
SEQUENCE OF OPERATION 7.............
TROUBLESHOOTING 8–9..................
INDEX 10.................................