Emerson 7ACTB manual Rating Label, Nameplate, Catalog Number Identification, Operator’s Manual

Operator’s

Manual

7000 Series 7ACTB

Automatic Closed–Transition Transfer

& Bypass–Isolation Switches

G design 1000 through 3000 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.

TABLE OF CONTENTS

section-page

INSTALLATION

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Power Connections . . . . . . . . . . . . . . . . . . . . 1-2 Engine Starting & Auxiliary Circuits . . . . . . 1-2 Functional Test . . . . . . . . . . . . . . . . . . . . . 1-3, 1-4

TESTING & SERVICE

Transfer Test & Preventive Maintenance . . 2-1 Trouble-Shooting . . . . . . . . . . . . . . . . . . . . . . 2-2

BYPASSING & ISOLATING

Bypassing the ATS . . . . . . . . . . . . . . . . . . . . 3-1 Isolating the ATS . . . . . . . . . . . . . . . . . . . . . . 3-2 Return to Service . . . . . . . . . . . . . . . . . . . 3-3, 3-4

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

Refer to the outline and wiring drawings provided with your 7000 Series ACTB 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 7ACTB.

Rating Label

Each 7000 Series 7ACTB contains a rating label to define the load 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.

Nameplate

The Transfer Switch nameplate includes data for each specific 7000 Series 7ACTB Use the switch only within the limits shown on this nameplate. A typical Catalog Number is shown below with its elements explained:

Catalog Number Identification

Typical 7000 Series ACTB catalog no. for overlapping neutral, 3 pole, 1200 amp., 480 V, in Type 1 enclosure:

G7ACTB C 3 1200 N 5 C

Neutral

A – solid

B – switching C – overlapping

blank – none

Phase Poles

2 – single Ø

3 – three Ø

Amperes

1000

1200

1600

2000

3000

Voltage

A 115	J 400
B 120	K 415
C 208	L 440
D 220	M 460
E 230	N 480
F 240	P 550
G 277	Q 575
H 380	R 600

Controller

5 – standard

5X – if accessories ordered

Enclosure

C – type 1 F – type 3R G – type 4 L – type 12 blank – open type

50 Hanover Road, Florham Park, New Jersey 07932–1591 USA	381333–136 C
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