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Asco 940 User Manual

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Asco 940 Specifications

General IconGeneral
BrandAsco
Model940
CategorySwitch
LanguageEnglish

Summary

SECTION 1 INSTALLATION

Installation Procedures

Details physical mounting, line connections, auxiliary circuits, harnesses, and engine starting contacts.

Operational Testing

Covers functional tests, manual operation, voltage checks, and electrical operation verification.

SECTION 2 SEQUENCE OF OPERATION

Transfer to Emergency

Explains the automatic process of switching to the emergency power source.

Retransfer to Normal

Describes the automatic process of returning to the normal power source.

TESTING & SERVICE

Manual Transfer and Troubleshooting

Covers manual load transfer procedures and common troubleshooting steps for operational issues.

SECTION 4 ADJUSTMENTS

Time Delay and Sensor Settings

Guides on adjusting time delays and voltage/frequency sensor parameters using DIP switches.

Configuration Changes

Step-by-step instructions for safely modifying DIP switch settings on the control panel.

SECTION 5 STANDARD FEATURES & OPTIONAL ACCESSORIES

Remote Control and Manual Operation

Details remote control, optional manual controls, and override switches for operational flexibility.

Optional Plant Exerciser

Information on the timer for periodic engine-generator exercising and its setup.

Accessory Indicators and Controls

Covers auxiliary contact indicators, signal lights for source status, motor load transfer, and load disconnect controls.

STANDARD FEATURES

Feature Explanations

Detailed descriptions of core features like voltage sensing, time delays, manual controls, and frequency selection.

OPTIONAL ACCESSORIES

Accessory Functionality

Details on optional indicators, plant exercisers, and motor load transfer accessories.

DIAGRAM

Wiring and Control Schematics

Presents elementary wiring diagrams, transfer switch options, and control contact schematics.

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