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Operator’s Manual ASCO 336 / 337

381333-427 A ASCO Power Technologies Page 1

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 warn of a

hazardous situation which, if not avoided, could

result death or serious injury.

CAUTION is used in this manual to warn of a

hazardous situation which, if not avoided, could

result in minor or moderate injury.

Rating Label

Each 336/337 PCS 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.

In a non-redundant system, that is, the load current is more

than one generator’s full load current and the generators are

being paralleled to provide more power to the load, the CTTS

current rating must be equal to or greater than the sum of the

two generator’s full load amps.

If the application is a redundant system, that is, the load

current is equal to or less than the full load amps of one

generator and the generators are being paralleled for

redundancy, the 336 or 337 rating must be equal to or greater

than the full load current of the biggest generator. In addition,

the output of the CTTS unit must be protected by an over

current device, like a circuit breaker, equal to or less than the

CTTS rating label.

Do not exceed the values on the rating label.

Exceeding the rating can cause personal injury or

serious equipment damage.

381333-427 A

DANGER

WARNING

CAUTION

300 Series Power Control System

336 /337 Generator Paralleling System

Operator’s Manual

INSTALLATION ............................................... 3

FUNCTIONAL TEST .................................... 5-8

OPERATIONAL TESTING ........................ 9-10

FEATURES & OPTIONS ......................... 11-13

PROTECTIVE RELAY FUNCTIONS ............. 14

TESTING & SERVICE ................................... 15

INDEX ............................................................ 16

Table of Contents

page

WARNING

Refer to the outline and wiring drawings provided

with the 336 / 337 for all installation and connection

details and accessories.

Refer to the Controller User’s Guide for status

display messages, time delays, pickup and dropout

settin

s, and ad

ustments.

1 2 3 4 5 6 ... 15 16

Indice de contenidos

Pagina 1 - Operator’s Manual

Operator’s Manual ASCO 336 / 337 381333-427 A ASCO Power Technologies Page 1 DANGER is used in this manual to warn of a hazard situation w

Pagina 2

ASCO 336 / 337 Operator’s Manual Page 10 ASCO Power Technologies 381333-427 A Load Bus Ready for First Generator CTBx: 11,12, First CTTS Close E

Pagina 3 - Installation

Operator’s Manual ASCO 336 / 337 381333-427 A ASCO Power Technologies Page 11 Figure 8. Emergency Stop buttons for generators. Featur

Pagina 4 - Gen1 is CTB1, Gen 2 is CTB2

ASCO 336 / 337 Operator’s Manual Page 12 ASCO Power Technologies 381333-427 A Load Management or Load Shed / Load Add will work in cooperation wi

Pagina 5 - Functional Test

Operator’s Manual ASCO 336 / 337 381333-427 A ASCO Power Technologies Page 13 Run Time Management or Run Time Equalization Run Time Management

Pagina 6

ASCO 336 / 337 Operator’s Manual Page 14 ASCO Power Technologies 381333-427 A Protective relay functions Most protective functions will open the

Pagina 7

Operator’s Manual ASCO 336 / 337 381333-427 A ASCO Power Technologies Page 15 Testing & Service Transfer Test Operate the transfer switch at

Pagina 8

ASCO 336 / 337 Operator’s Manual Page 16 ASCO Power Technologies 381333-427 A INDEX A ASI is ASCO Services Inc. 800-800-2726(ASCO) customercare

Pagina 9 - Mode Selection

ASCO 336 / 337 Operator’s Manual Page 2 ASCO Power Technologies 381333-427 A 300 Series PCS Family of Products The ASCO 300 Series Power Control

Pagina 10

Operator’s Manual ASCO 336 / 337 381333-427 A ASCO Power Technologies Page 3 Automatic Control System The 336 / 337 is an automatic control syste

Pagina 11 - Features and Options

ASCO 336 / 337 Operator’s Manual Page 4 ASCO Power Technologies 381333-427 A Generator Circuit Breaker Control Circuits The generator circuit bre

Pagina 12

Operator’s Manual ASCO 336 / 337 381333-427 A ASCO Power Technologies Page 5 Functional Test The functional test consists of three checks: manua

Pagina 13

ASCO 336 / 337 Operator’s Manual Page 6 ASCO Power Technologies 381333-427 A Figure 3. H-design Transfer Switch Ma

Pagina 14 - Protective relay functions

Operator’s Manual ASCO 336 / 337 381333-427 A ASCO Power Technologies Page 7 Figure 5. Buttons and indicator lights on g

Pagina 15 - Testing & Service

ASCO 336 / 337 Operator’s Manual Page 8 ASCO Power Technologies 381333-427 A Figure 6. Button and indicator lights on generator

Pagina 16

Operator’s Manual ASCO 336 / 337 381333-427 A ASCO Power Technologies Page 9 Figure 7. Operator Interface Terminal (OIT) with Power Managemen

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