User manual

ManualsBrandsEmerson ManualsOtherSwitch 7000

381333–229 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

7000 Seri es ATS

Automatic Transfer Switches

D de si g n, 30 t hro ug h 230 A

DANGER is used in this manual to warn of high

voltages capable of cau si n g shock , burns, or death .

WARNINGisusedinthismanualtowarn

of possible personal injury.

CAUTIONisusedinthismanualtowarn

of possible equipment damage.

3 0 --- 2 3 0 a m p e r e

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 Automatic Trans fer Switc h contain s a rating label to

define the loads and fault circuit withstand/cl osing 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 namepl ate incl udes data for each

specific 7000 Series ATS. Use the switch only within the

lim its shown on this nam eplate. A typical Catalog Num ber

is shown on the next page with its elements explained.

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, 1-3, 1-4.................

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.........................

Summary of content (9 pages)

PAGE 1
Operator’s Manual 7000 Series ATS Automatic Transfer Switches D design, 30 through 230 A 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. Refer to the outline and wiring drawings provided with your 7000 Series ATS for all installation and connection details and accessories.
PAGE 2
Catalog Number Identification Typical 7000 Series 7ATS catalog no. for overlapping neutral, 3 pole, 150 amp, 480 V, in Type 1 enclosure: D design prefix letter 7ATS Neutral C Phase Poles A – solid B – switched C – overlapping 2 – single Ø 3 – three Ø 3 150 Amperes 30 70 100 150 200 ** blank – none 230 ** ** 200 and 230 amp.
PAGE 3
SECTION 1 INSTALLATION The ASCO 7000 Series Automatic Transfer Switch (ATS) is factory wired and tested. Field installation requires mounting, connecting service cables, and connecting engine start and auxiliary control circuits (if required). often requires considerable force. The pulling of cables can damage insulation and stretch or break the conductor’s strands.
PAGE 4
INSTALLATION Harnesses ENGINE STARTING CONTACTS ( SHOWN DE–ENERGIZED ) The transfer switch is connected to the left side of the controller by a plug-in harness (two plugs). Engine Starting Contacts The engine control contact connections (if used) are located on the transfer switch. Connect signal wires to appropriate terminals as specified in Table A and shown in Figure 1-2. TOP STUD 14 MIDDLE STUD 15 BOTTOM STUD 16 TS NR NR TB 14 TB 15 TB 16 Figure 1-2.
PAGE 5
INSTALLATION GREEN RED GREEN RED (continued) observe these lights Figure 1-4. Standard controls and indicators. 2 – Voltage Checks First check nameplate on transfer switch; rated voltage must be the same as normal and emergency line voltages. Close the normal source circuit breaker. The Transfer Switch 1 Connected To Normal and the Normal Source Accepted lights should come on.
PAGE 6
INSTALLATION GREEN RED GREEN RED (continued) operate this switch observe these lights Figure 1-5. Standard controls and indicators. 3 – Electrical Operation The Transfer Switch Connected 1 To Normal and Normal Source Accepted lights should be on. This procedure will check the electrical operation of the Automatic Transfer Switch. See Figure 1–5. Turn and hold Transfer Control switch clockwise to Transfer Test until the engine starts 2 and runs (within 15 sec.).
PAGE 7
SECTION 2 TESTING & SERVICE TRANSFER TEST DISCONNECTING THE CONTROLLER Operate the 7000 Series ATS at least once a month by following the five–step Electrical Operation Transfer Test procedure on page 1–4. The harness disconnect plugs are furnished for repair purposes only and should not have to be unplugged.
PAGE 8
TESTING & SERVICE MANUAL LOAD TRANSFER (continued) 1. Deenergize both the normal and emergency source conductors (remove fuses or open circuit breakers). This procedure will manually transfer the load if the controller is disconnected. 2. Use the maintenance handle to manually operate the transfer switch to the opposite source. See Manual Operation on page 1–2. Do not manually operate the transfer switch until both power sources are disconnected (all conductors deenergized). 3.
PAGE 9
INDEX A auxiliary circuits, 1–2 C cable lugs, 1–1 preparation, 1–1 spacers, 1–1 illustration of, 1–1 catalog number, inside cover cleaning, 2–1 connections line, 1–1 controller, 1–1, 1–2 disconnecting, 2–1 see Controller User’s Guide grounding, 1–1 E electrical operation, 1–4 Emergency Source Accepted light, 1–3, 1–4 F frequency, generator, 2–2 functional test, 1–2, 1–3, 1–4 H harness, 1–2 disconnect plugs, 2–1 HELP customercare@asco.