Sanyo CH4272R User Manuals

Table of Contents

• SM831148-02_08

  1
  • TECHNICAL DATA & SERVICE MANUAL

    1
  • Important

    3
  • Contents

    4
• SM831148-02_18

  5
  • 1.SPECIFICAITONS

    5
    • 1-1.Unit Specifications

      6
    • 1-2.Major Component Specifications

      31
    • 1-3.Other Component Specifications

      51
    • 1-4.Dimensional data 1/2

      67
• SM831148-02_28

  77
• SM831148-02_38

  84
• SM831148-02_48

  102
  • 2.PROCESSES AND FUNCTIONS

    107
    • 2-1.Room Temperature Control

      108
    • 2-2.Cold Draft Prevention (Heating Cycle)

      110
    • 2-3.Automatic Fan Speed (Indoor Unit)

      111
    • 2-4.Control Functions

      112
• SM831148-02_58

  115
  • 3.ELECTRICAL DATA

    119
    • 3-1.Indoor Units 1/2

      120
• SM831148-02_68

  126
• SM831148-02_78

  134
  • 4.SERVICE PROCEDURES

    147
    • 4-1.Meaning of Alarm Meassages

      148
    • 4-2.Symptoms and Parts to Inspect

      151
    • 4-3.Details of Alarm Meassages

      154
  • 5.OUTDOOR UNIT MAINTENANCE REMOTE CONTROL

    161
    • 5-1.Overview

      162
    • 5-2.Functions

      162
    • 5-3.Normal Display Operations and Functions

      163
• SM831148-02_88

  166
  • 6.TEST RUN

    171
    • 6-1.Preparing for Test Run

      172
    • 6-2.Caution

      173
    • 6-3.Test Run Procedure

      173
    • 6-4.Items to Check Before the Test Run

      174
    • 6-5.Test Run Using the Remote Controller

      174
    • 6-6.Precautions

      174
    • 6-7.Table of Self-Diagnostic Functions and Corrections (X,T,U,K Type)

      175
    • 6-8.Examples of Wiring Diagrams

      176