Mitsubishi Electric PURY-EP200YLM-A, Service Handbook

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CONTENTS
HWE1314A GB
Chapter 1 Check Before Servicing
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
1-4 Precautions for Wiring......................................................................................................................... 15
1-5 Cautionary notes on installation environment and maintenance.................................................... 17
Chapter 2 Restrictions
2-1 System Configurations ........................................................................................................................ 21
2-2 Types and Maximum Allowable Length of Cables ............................................................................ 23
2-3 Switch Settings..................................................................................................................................... 24
2-4 M-NET Address Settings ..................................................................................................................... 25
2-5 Demand Control Overview .................................................................................................................. 31
2-6 System Connection Example .............................................................................................................. 32
2-7 Example System with an MA Remote Controller .............................................................................. 34
2-8 Example System with an ME Remote Controller............................................................................... 48
2-9 Example System with an MA and an ME Remote Controller............................................................ 50
2-10 Restrictions on Refrigerant Pipes ...................................................................................................... 53
Chapter 3 Major Components, Their Functions and Refrigerant Circuits
3-1 External Appearance and Refrigerant Circuit Components of Outdoor Unit ................................. 67
3-2 Outdoor Unit Refrigerant Circuit Diagrams ....................................................................................... 75
3-3 Functions of the Major Components of Outdoor Unit ...................................................................... 78
3-4 Functions of the Major Components of Indoor Unit ......................................................................... 81
3-5 External Appearance and Refrigerant Circuit Components of BC Controller................................ 82
3-6 BC Controller Refrigerant Circuit Diagrams ...................................................................................... 85
3-7 Functions of the Major Components of BC Controller ..................................................................... 88
Chapter 4 Electrical Components and Wiring Diagrams
4-1 Outdoor Unit Circuit Board Arrangement .......................................................................................... 95
4-2 Outdoor Unit Circuit Board Components .......................................................................................... 99
4-3 Outdoor Unit Electrical Wiring Diagrams......................................................................................... 108
4-4 Transmission Booster Electrical Wiring Diagrams......................................................................... 111
4-5 BC Controller Circuit Board Arrangement....................................................................................... 112
4-6 BC Controller Circuit Board Components ....................................................................................... 113
4-7 BC Controller Electrical Wiring Diagrams ....................................................................................... 115
Chapter 5 Control
5-1 Dipswitch Functions and Factory Settings...................................................................................... 127
5-2 Outdoor Unit Control ......................................................................................................................... 135
5-3 BC Controller Control ........................................................................................................................ 152
5-4 Operation Flowcharts ........................................................................................................................ 153
Chapter 6 Test Run
6-1 Read before Test Run ........................................................................................................................ 161
6-2 MA and ME Remote Controller Functions and Specifications....................................................... 162
6-3 Making the Group and Interlock Settings from an ME Remote Controller ................................... 163
6-4 Selecting Remote Controller Functions from an ME Remote Controller...................................... 167
6-5 Making Interlock Settings from an MA Remote Controller............................................................. 169
6-6 Changing the Room Temperature Detection Position.................................................................... 175
6-7 Test Run Method ................................................................................................................................ 176
6-8 Operation Characteristics and Refrigerant Charge ........................................................................ 179
6-9 Evaluating and Adjusting Refrigerant Charge.................................................................................179
6-10 The Following Symptoms Are Normal ............................................................................................. 187
6-11 Standard Operation Data (Reference Data) ..................................................................................... 188
Chapter 7 Troubleshooting Using Error Codes
7-1 Error Code and Preliminary Error Code Lists .................................................................................221