Jouan BR4i Manuals

Manuals and User Guides for Jouan BR4i. We have 1 Jouan BR4i manual available for free PDF download: Service Manual

Jouan BR4i Service Manual

Jouan BR4i Service Manual (59 pages)

Brand: Jouan | Category: Laboratory Equipment | Size: 2.74 MB

Table of Contents

Table of Contents
5
Chapter 1 - Introduction

7
- Purpose
  7
- Presentation
  7
- Specifications
  8
- Installation Procedure
  9
Chapter 2 - Theory of Operation

10
- Description
  10
- Component Lay-Out
  10
- Motor Control Principle
  15
  - Introduction
    15
  - The Motor
    15
  - Power Control
    16
- Electronics - Structure
  17
  - Introduction
    17
  - Microprocessor + Power Pcb
    18
  - Imbalance Sensor
    19
  - Tacho Sensor
    19
  - Temperature Sensor (Br4I)
    19
  - Refrigeration Control Board (Br4I)
    19
  - Input - Output
    20
Chapter 3 - Diagnostics and Repairs

21
- Introduction
  21
- Functional Test
  21
  - EPROM Version
    21
  - Test Mode
    21
- Fault Codes
  25
- Troubleshooting Chart
  26
Chapter 4 - Replacement Procedures

28
- Motor Replacement
  28
  - Unrefrigerated Model (B4I)
    28
  - Refrigerated Model (Br4I)
    29
- Imbalance Detector Replacement
  30
- Replacement of the Lid Lock Assembly
  30
- Lid Lock Assembly Element Replacement
  31
- Power Supply Rack Replacement
  32
- Electronic Board Replacement
  34
  - Microprocessor + Power Pcb
    34
  - Display Board
    35
- Keyboard Replacement
  35
- Gas Spring Replacement
  35
  - Gas Spring Replacement on the B4I
    35
  - Gas Spring Replacement on the Br4I
    36
- Tacho Replacement
  36
- EPROM Replacement
  37
- Lid Replacement
  37
- Refrigeration Group Repairs (Br4I)
  38
  - Refrigeration Group Replacement
    38
  - Condenser Components Replacement
    39
- Motor Checking
  39
- Checking and Maintenance of the Centering Group
  40
Chapter 5 - Checks, Adjustments, Calibration

41
- Imbalance Adjustment
  41
- Temperature Sensor Calibration (Br4I)
  42
Chapter 6 - Spare Parts - Diagrams

43
- General
  43
- Motor
  44
- AUTO-LOCK System
  45
- Lock
  46
- Feeder Group
  47
- Refrigeration Group (Br4I)
  48
- Condenser Group (Br4I)
  49
Appendix A - Recommended List of Tools

51
Appendix B - Electrical Diagrams

51

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