Emerson 7000 SERIES ATB manual Rating Label, Nameplate, Catalog Number Identification

Operator’s

Manual

7000 Series ATB

Automatic Transfer &

Bypass–Isolation Switches

F–design, 3000 and 4000 amp. sizes

TABLE OF CONTENTS

section-page INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Power Connections . . . . . . . . . . . . . . . . . . . . 1-2 Engine Starting & Auxiliary Circuits . . . . . . 1-2 Functional Test . . . . . . . . . . . . . . . . 1-5, 1-6, 1–7

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

BYPASSING & ISOLATING . . . . . . . . . . . . . . 3-1 Bypassing the ATS . . . . . . . . . . . . . . . . . . . . 3-1 Isolating the ATS . . . . . . . . . . . . . . . . . . . . . . 3-1 Return to Service . . . . . . . . . . . . . . . . . . . . . . 3-3

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

An experienced licensed electrician must install ATB

Refer to the outline and wiring drawings provided with your 7000 Series ATB 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

Each 7000 Series ATB 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.

Nameplate

The Transfer Switch nameplate includes data for each specific 7000 Series ATB. 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 ATB catalog no. for overlapping neutral, 3 pole, 4000 amp, 480 V, in Type 1 enclosure:

7ATB C 3 4000 N 5 C

Neutral

A – solid

C – overlapping blank --- none

Phase Poles

2 – single Ø

3 – three Ø

Amperes

3000

4000

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 accesso- ries 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	381333–133 A
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