Mitsubishi Electric CAHV-P500YA-HPB Manuals

Table of Contents

• • 2

    Safety Precautions
  • 6

    Table of Contents

• 10

  I Read before Servicing

  • 10

    Read before Servicing
  • 10

    I Read before Servicing
  • 11

    Necessary Tools and Materials
  • 12

    Brazing
  • 13

    Air Tightness Test
  • 14

    Vacuum Drying (Evacuation)
  • 15

    Refrigerant Charging
  • 15

    Remedies to Be Taken in Case of a Refrigerant Leak
  • 16

    Characteristics of the Conventional and the New Refrigerants
  • 17

    Notes On Refrigerating Machine Oil

• 18

  Restrictions

  • 20

    System Configuration
  • 21

    Types and Maximum Allowable Length of Cables
  • 22

    Main Power Supply Wiring and Switch Capacity
  • 24

    Sample Installation
  • 25

    Switch Types and the Factory Settings
  • 26

    Configuring the Settings
  • 31

    Water Pipe Installation

• 36

  Unit Components

  • 38

    Unit Components and Refrigerant Circuit
  • 40

    Control Box of the Unit
  • 41

    Unit Circuit Board

• 46

  Remote Controller

  • 48

    Using the Remote Controller
  • 53

    Function Settings

• 58

  Electrical Wiring Diagram

• 62

  Refrigerant Circuit

  • 64

    Refrigerant Circuit Diagram
  • 65

    Principal Parts and Functions

• 68

  Control

  • 70

    Functions and Factory Settings of the Dipswitches
  • 86

    Operating Characteristics and Control Capabilities
  • 88

    Defrost Operation

• 102

  Test Run Mode

  • 104

    Items to Be Checked before a Test Run
  • 106

    Test Run Method
  • 107

    Operating the Unit
  • 108

    Refrigerant
  • 108

    Symptoms That Do Not Signify Problems
  • 108

    Standard Operating Characteristics(Reference Data)

• 110

  Troubleshooting

  • 112

    Maintenance Items
  • 120

    Troubleshooting
  • 129

    Troubleshooting Principal Parts
  • 131

    Temperature Sensor
  • 145

    Refrigerant Leak
  • 146

    Parts Replacement Procedures
  • 154

    Water Piping Configuration in the Unit and How to Connect the Piping

• 156

  Attachments

  • 158

    R407C Saturation Temperature Table