CONTENTS
HWE12050 GB
Chapter 1 Piping Work
1-1 Preparation for Piping Work.................................................................................................................. 3
1-2 Handling and Characteristics of Piping Materials, Refrigerant, and Refrigerant Oil ....................... 5
1-3 Working with Refrigerant Piping......................................................................................................... 10
Chapter 2 Restrictions
2-1 System Configurations ........................................................................................................................ 17
2-2 Types and Maximum Allowable Length of Cables ............................................................................ 18
2-3 Switch Settings..................................................................................................................................... 19
2-4 M-NET Address Settings ..................................................................................................................... 20
2-5 Demand Control Overview .................................................................................................................. 26
2-6 System Connection Example .............................................................................................................. 28
2-7 Example System with an MA Remote Controller .............................................................................. 30
2-8 Example System with an ME Remote Controller............................................................................... 40
2-9 Example System with an MA and an ME Remote Controller............................................................ 42
2-10 Restrictions on Refrigerant Pipes ...................................................................................................... 44
Chapter 3 Major Components, Their Functions and Refrigerant Circuits
3-1 External Appearance and Refrigerant Circuit Components of Outdoor Unit ................................. 51
3-2 Outdoor Unit Refrigerant Circuit Diagrams ....................................................................................... 56
3-3 Functions of the Major Components of Outdoor Unit ...................................................................... 57
3-4 Functions of the Major Components of Indoor Unit ......................................................................... 60
Chapter 4 Electrical Components and Wiring Diagrams
4-1 Outdoor Unit Circuit Board Arrangement .......................................................................................... 63
4-2 Outdoor Unit Circuit Board Components .......................................................................................... 65
4-3 Outdoor Unit Electrical Wiring Diagrams........................................................................................... 71
4-4 Transmission Booster Electrical Wiring Diagrams........................................................................... 73
Chapter 5 Control
5-1 Dipswitch Functions and Factory Settings........................................................................................ 77
5-2 Outdoor Unit Control ........................................................................................................................... 83
5-3 Operation Flowcharts .......................................................................................................................... 96
Chapter 6 Test Run
6-1 Read before Test Run ........................................................................................................................ 103
6-2 MA and ME Remote Controller Functions and Specifications....................................................... 104
6-3 Making the Group and Interlock Settings from an ME Remote Controller ................................... 105
6-4 Selecting Remote Controller Functions from an ME Remote Controller...................................... 109
6-5 Making Interlock Settings from an MA Remote Controller............................................................. 111
6-6 Changing the Room Temperature Detection Position.................................................................... 117
6-7 Test Run Method ................................................................................................................................ 118
6-8 Operation Characteristics and Refrigerant Charge ........................................................................ 121
6-9 Evaluating and Adjusting Refrigerant Charge.................................................................................121
6-10 The Following Symptoms Are Normal ............................................................................................. 127
6-11 Standard Operation Data (Reference Data) ..................................................................................... 128
Chapter 7 Troubleshooting Using Error Codes
7-1 Error Code and Preliminary Error Code Lists ................................................................................. 145
7-2 Error Code Definitions and Solutions: Codes [0 - 999]................................................................... 148
7-3 Error Code Definitions and Solutions: Codes [1000 - 1999]........................................................... 149
7-4 Error Code Definitions and Solutions: Codes [2000 - 2999]........................................................... 153
7-5 Error Code Definitions and Solutions: Codes [3000 - 3999]........................................................... 159
7-6 Error Code Definitions and Solutions: Codes [4000 - 4999]........................................................... 160
7-7 Error Code Definitions and Solutions: Codes [5000 - 5999]........................................................... 173
7-8 Error Code Definitions and Solutions: Codes [6000 - 6999]........................................................... 180
7-9 Error Code Definitions and Solutions: Codes [7000 - 7999]........................................................... 196
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