Westinghouse Switch User Manual

Instruction Leaflet
30-470 (E)
Page 1
Westinghouse Canada
Switchgear and Control Division
October, 1979
Supersedes issue dated October, 1975
Instruction Leaflet 30-470 (E) Pages 1-12
Automatic
Transfer
Switches
Index
Warranty ......................................... 2
Westinghouse Offices ..................... 3
General Description ......................... 4
Component Identification ................. 5
LRO Description .............................. 5
RO Description ................................ 6
PRO Description ............................. 6
Application Information .................... 7
Automatic Control ........................... 7
Replacing Parts ............................ 11
Trouble Shooting Guide ................. 12
Recommended Maintenance ......... 12
Operation and
Maintenance
Manual

Westinghouse Switch Specifications

General

Amperage	15 A
Voltage	120 V
Current Rating	15 A
Color	White
Material	Thermoplastic
Mounting Type	Wall Mount
Termination	Screw
Type	Toggle Switch

Summary

Warranty

General Description

Mechanical Component Identification

Type LRO Robonic

Diagram and numbered parts for the LRO type mechanical components.

Type RO Robonic

Diagram for the RO type mechanical components.

Type PRO Robonic

Diagram for the PRO type mechanical components.

Automated Control Component Identification

Type LRO Robonic Automatic Transfer Switch Control

Detailed description of control components for the LRO type.

Robonic Transfer Switch Types

Type RO Robonic Automatic Transfer Switch Operation

Describes the operation and manual control of the RO type.

Type PRO Robonic Automatic Transfer Switch Operation

Describes the operation and manual control of the PRO type.

Automatic Control

Voltage Sensing Relays

Details on voltage sensing relays used for normal source monitoring.

On Delay Time Delay Relays

Describes the function and application of on-delay time relays.

Off Delay Time Delay Relays

Describes the function and application of off-delay time relays.

Solid State Type Relays

Details on solid-state relays for engine start and timing functions.

Control Relay (CR)

Explains the function of the control relay for voltage and frequency sensing.

Plant Exerciser

Application in Robonic Transfer Switches

How the Plant Exerciser is used with transfer switches.

Replacing Parts

Parts List

List of part names and their corresponding style numbers.

Troubleshooting Guide

Type LRO Robonics Troubleshooting

Specific troubleshooting tips for Type LRO Robonics.