Baldor MN894 - Manual

Baldor MN894

Baldor MN894 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 3 – Table of Contents
  • Page 6 – iv Table of Contents
  • Page 7 – Introduction
  • Page 8 – Figure 1-1 Layout and Identification
  • Page 9 – Figure 1-2 Logic Control Module Block Diagram
  • Page 10 – Major Components; Current Transformer; Protection Devices
  • Page 11 – Figure 1-3 Starter Diagram
  • Page 12 – Configurations; Enclosures and Ventilation:
  • Page 13 – General Information 1-7; Limited Warranty
  • Page 14 – -8 General Information; Safety Notice
  • Page 15 – Receiving, Inspection and Storage; AC Main Circuit
  • Page 16 – Table 2-1 Three Phase
  • Page 17 – Installation; Use copper wire rated for at least 75; Table 2-2 Recommended Wire Size and Tightening Torque; All wire sizes based on 75
  • Page 18 – Non-Motor and Special Motor Applications; Part Winding Starter:; controlling a standard design B motor.; Reversing Applications:; contactor can be used. Consult Baldor for more information.; Consult Baldor if the control is to be used with a multispeed motor.; The control can; Motors on Grounded and; may not be able to detect a shorted SCR condition.
  • Page 19 – Types of Starting; Voltage Starting
  • Page 20 – Start Adjustments; up with constant acceleration is achieved.; Stop Adjustments; braking. Ramp down will only extend the stopping time.
  • Page 21 – Run Adjustments; Current Monitor; Power; factor; Note: PF adjustment has no effect in bypass mode.; Current Calibration Switch; the current monitor. The control will shut down.
  • Page 23 – Control Connections; applies to an over current or a current monitor shutdown.
  • Page 24 – Indicators; Power On; while the control is in operation.; Summary of Start and Stop Sequences; - 3 close when power is applied to motor. Ramp up cycle begins.
  • Page 25 – Section 4; Recommended Equipment
  • Page 28 – Starting Instructions; Variable Load with Voltage Ramp
  • Page 33 – Check the “T” leads for a phase to phase and phase to ground short; OC light Comes ON Shutting “OFF” The Starter; “OFF” or current monitor level is set properly for a given load.
  • Page 35 – Power Off Checks
  • Page 36 – SCR Tests; Inspection
  • Page 37 – Figure 5-1 Power Cell Configurations
  • Page 38 – SCR Replacement; SCR Polarity; the locations of the tightening bars.; Figure 5-2 SCR Polarity; SCR Pressure Gauge; Figure 5-3 shows how the pressure gauge is used.; Figure 5-3 SCR Tightening Pressure Gauge; True Flat Surface; Continued on next page.
  • Page 39 – Logic Control Module Resistance Test; Logic Control Module
  • Page 40 – Table 5-3 Troubleshooting Chart; Symptom
  • Page 43 – Reset an Overload Relay; the “Tripped” position.; Figure 5-6 Overload Relay; Fuse Replacement
  • Page 45 – Identification
  • Page 46 – Multipurpose Control Specifications; Three Phase Starters
  • Page 48 – OR; Wire Size Torque Specifications Size 8,16
  • Page 49 – Specifications and Product Data 6-5; Mounting Dimensions; Open Panel; Dia; Open/Panel Dimensions
  • Page 50 – -6 Specifications and Product Data; Continued; NEMA 1 Dimensions
  • Page 51 – Specifications and Product Data 6-7; Connection Diagrams; Combination and Non-Combination Starter and Control only; Tachometer is only required when LCM is used in Tach Feedback mode.
  • Page 52 – -8 Specifications and Product Data
  • Page 53 – Specifications and Product Data 6-9; MA Style 55 and 80 AMP NEMA 1 and Panels
  • Page 54 – -10 Specifications and Product Data; MB Style 55 and 80 AMP NEMA 1 and Panels
  • Page 55 – Specifications and Product Data 6-11; NEMA 1 & Panel Mounted Size 160; Number of cooling fans depends on the FLA rating.
  • Page 57 – 40 AMP Combination & Noncombination Bypass
  • Page 58 – -14 Specifications and Product Data
  • Page 59 – Glossary; the Multipurpose Soft Starter control.
  • Page 61 – Quick Reference Chart
  • Page 62 – Overload Relay Adjustment; setting. Refer to the table that represents the starter size.; Select the table that matches you starter size only. Do not use the; Overload Relay; - Electronic Class 30
  • Page 63 – Circuit Breaker Adjustment; of motor; Table B-1 Code Letter Definition; Phase Inrush Current Calculation; Inrush AMPS; KVA; Rated Volts
  • Page 64 – Inrush; to avoid damage to equipment. If set too high, the circuit breaker; Turn on power and start the motor.; Figure B-1 Magnetic Circuit Breaker
  • Page 65 – Baldor District Offices
  • Page 66 – BALDOR ELECTRIC COMPANY; Baldor Electric Company
Loading the manual

Multipurpose

Soft Starter

Sizes 8 to 840 AMP

Installation & Operating Manual

9/06

MN894

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Summary

Page 3 - Table of Contents

Table of Contents Table of Contents i MN894 Section 1 General Information 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 6 - iv Table of Contents
Page 7 - Introduction

Section 1 General Information General Information 1-1 MN894 Introduction Three phase multipurpose soft starter control provides reduced voltage, three phase motor starting. Ramp up and extended ramp down features provide an effective means to start and stop material handling equipment and pumping eq...

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