Winco ASCO 300 D Design 30-230 Amp - Manual

381333–228 D 50 Hanover Road, Florham Park, New Jersey 07932–1591 USA
1 800 937–2726 (ASCO), for service call 1 800 800–2726 (ASCO) www.asco.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
Series 300
Automatic Transfer Switches
D design, 30 through 230 amp. sizes
DANGER is used in this manual to warn of high
voltages capable of causing shock, burns, or death.
WARNING is used in this manual to
warn of possible personal injury.
!
CAUTION is used in this manual to warn
of possible equipment damage.
!
An experienced licensed electrician must install the ATS.
30–200 amp. sizes
Refer to the outline and wiring drawings provided with
your ASCO Series 300 ATS for all installation details.
ASCO Series 300 Automatic Transfer Switches (ATSs) are
Listed under Underwriters Laboratories UL 1008 Standard
for Safety for Automatic Transfer Switches. ASCO Series
300s are also Listed under CSA C22.2 No. 178 Standard for
Automatic Transfer Switches. All control features are UL
Component Recognized, which assures that ASCO automatic
transfer switches meet OSHA Safety Requirements and will
be acceptable to electrical inspectors.
ASCO Series 300 Automatic Transfer Switches are suitable
for emergency and standby system applications. They meet
emergency system rating requirements as defined in
National Electrical Code (NEC) Article 700 and UL 1008.
Also, they are suitable for the requirements of NEC Article
517 – Health Care Facilities, NEC Article 701 – Legally
Required Standby Systems, NEC Article 702 – Optional
Standby Systems, NFPA 99 Health Care Facilities, and
NFPA 110 Emergency and Standby Power Systems.
Rating Label
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
section
INSTALLATION 1 . . . . . . . . . . . . . . . . . . . . . . . . . .
SEQUENCE OF OPERATION 2 . . . . . . . . . . . . .
TESTING & SERVICE 3 . . . . . . . . . . . . . . . . . . . .
ADJUSTMENTS 4 . . . . . . . . . . . . . . . . . . . . . . . . .
CONTROL FEATURES 5 . . . . . . . . . . . . . . . . . . .
INDEX back cover . . . . . . . . . . . . . . . . . . . . . . . . .