Square D 8536 - User Manual

Instruction
Bulletin
Boletín de
instrucciones
Directives
d'utilisation
30072-013-23
Rev. 01, 11/2012
AC Magnetic Starters
Arrancadores magnéticos de ca (~)
Démarreurs magnétiques CA
Replaces / Reemplaza / Remplace 30072-013-23H 09/2003
Class
Clase
Classe
Type
Tipo
Type
Series
Serie
Série
Form
Forma
Forme
Size
Tamaño
Taille
8536 SC A H3• 1
Retain for future use. / Conservar para uso futuro. / À conserver pour usage ultérieur.
™
Introduction
Introducción Introduction
This bulletin provides assembly,
modification, and parts ordering
instructions for Class 8536 starters
incorporating the Motor Logic™
solid-state overload relay (SSOLR).
To identify parts, see Figure 1.
Este boletín proporciona las instrucciones
para el montaje, la modificación y la
solicitud de piezas de los arrancadores
clase 8536 con el relevador de sobrecarga
de estado sólido (RSES) Motor Logic™.
Para identificar las piezas, consulte la
figura 1.
Ce bulletin contient les directives
d’assemblage, de modification et de
commande de pièces pour les démarreurs
de classe 8536 incorporant le relais de
surcharge transistorisé (RSCT) Motor
Logic
MC
. Pour identifier les pièces,
consulter la figure 1.
Figure / Figura / Figure 1 : Assembly / Ensamble / Assemblage
DANGER / PELIGRO / DANGER
HAZARD OF ELECTRIC SHOCK,
EXPLOSION, OR ARC FLASH
Disconnect all power before
working on equipment. On Form S
devices, also disconnect the
separate control power source.
PELIGRO DE DESCARGA ELÉCTRICA,
EXPLOSIÓN O DESTELLO POR
ARQUEO
Desenergice el equipo antes de realizar
cualquier trabajo en él. En los dispositivos
forma S, desconecte también la fuente de
alimentación de control independiente.
RISQUE D'ÉLECTROCUTION,
D'EXPLOSION OU D'ÉCLAIR D'ARC
Coupez l’alimentation de l’appareil avant
d’y travailler. Sur les dispositifs de type S,
déconnectez également la source
d'alimentation de contrôle distinct.
Failure to follow these
instructions will result in death or
serious injury.
El incumplimiento de estas
instrucciones podrá causar la muerte o
lesiones serias.
Si ces directives ne sont pas
respectées, cela entraînera la mort ou
des blessures graves.
8
A
1
2
1
B
9
C
3
G
D
E
10
4a
L
4d
H
5
K
Reset Bar
Barra de restablecimiento
Barre de réarmement
RESET
T
rip Class Selector Switch
Interruptor selector de la clase de disparo
Sélecteur de classe de déclenchement
Test Switch
Interruptor de prueba
Interrupteur d'essai
Conductor Window
Ventana para conductores
Fenêtre de conducteurs
Current Adjustment Dial
Selector de la corriente
Cadran de réglage du courant
4b
4c
6

Summary

Introduction to AC Magnetic Starters

Product Overview

Details the purpose and scope of the bulletin regarding Class 8536 starters.

Auxiliary Contact Options

Adding Auxiliary Contacts

Details on N.O. and N.C. auxiliary contacts that can be field-added to starters.

Cover Mounted Control Units

Enclosure Types

Information on NEMA 1 enclosures with slip-on or hinged covers for control units.

Wire Size and Conductor Types

Wire Size Specifications

Specifies wire sizes (AWG, mm²) for control and power wiring.

Short-Circuit Withstand Ratings

Circuit Protection Requirements

Details starter suitability for circuits with different overcurrent protection ratings.

Retrofit Applications for Starters

Retrofitting Guidelines

Discusses using Motor Logic SSOLR as replacements in existing devices.

Safety Warning: Short-Circuit Interrupting Ability Loss

Retrofit Risk Assessment

Critical safety warning about potential compromise of short-circuit interrupting ability when retrofitting.

Overload Relay Features and Range

SSOLR Protection Capabilities

Details SSOLR features like adjustment range, operating conditions, and protection types.

Setting the Overload Relay Adjustment

Adjustment Procedure

Instructions for setting the SSOLR current adjustment dial based on motor service factor.

Selecting the SSOLR Trip Class

Trip Class Options

Procedure for selecting the trip class (10 or 20) for the SSOLR.

Calculating Trip Current Ratings

Rating Derivation

Explains how trip current ratings are derived from the adjustment dial setting.

SSOLR Operation and Monitoring

Functional Monitoring

How the SSOLR monitors motor current, protects against faults, and indicates trips.

Overload Protection Mechanism Details

Overload Detection

Details how the SSOLR detects overload and opens contacts.

Phase Loss and Unbalance Protection

Three-Phase Protection

Explains SSOLR protection against phase loss and unbalance in three-phase motors.

Phase Unbalance Detection

Impact of Unbalance

How phase unbalance affects motor thermal model and accelerates tripping.

Resetting the SSOLR

Reset Procedure

Instructions on how to reset the SSOLR using the reset lever.

Testing Overload Contact Functionality

Functional Test Steps

Steps to test the proper operation of the overload contacts.

Troubleshooting Starter Issues

Common Problems and Solutions

Lists common problems, causes, and corrective actions for SSOLR trips.

Inspecting and Replacing Power Contacts

Contact Inspection and Replacement

Procedure for inspecting, cleaning, and replacing power contacts.

Safety Warning: Manual Operation Precautions

Manual Operation Safety

Critical safety warning about disconnecting power before manual operation.

Replacing the Magnet Coil

Coil Removal and Replacement

Steps for removing and replacing the magnet coil unit.

Assembly and Torque Guidelines

Assembly and Torque References

References for assembly diagrams and recommended torque values for connections.

Component Tightening Torques

Torque Specifications

Provides specific torque values for various screws and connectors.

Short-Circuit Protection Requirements

Code Compliance

Details NEC compliance and maximum protective device ratings for circuits.

Distant Control Wiring

Wiring Distance Considerations

Factors affecting maximum control distance for remote operation.

Ordering Replacement Parts

Part Ordering Procedure

How to specify quantity, part number, class, type, and device data for ordering.

Complete Parts List

Parts Identification

Lists available replacement parts with part numbers and quantities.

Magnet Coil Part Number Identification

Coil Part Numbering

Provides part numbers for magnet coils based on voltage and frequency.

SSOLR Type Number and Rating Guide

SSOLR Type Selection

Lists SSOLR types by class and MFLC range for selection.

Square D 8536 Specifications

General

Series	8536
Enclosure Type	NEMA 1
Poles	3
Voltage	600V
Voltage Rating	600V
Standards	UL, CSA
NEMA Size	4