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Table Of Contents - Mitsubishi Electric PURY-HP72 Service Handbook

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Table of Contents
CONTENTS
Chapter 1
Check Before Servicing
1-1
Preparation for Piping Work.................................................................................................................. 3
1-2
1-3
Working with Refrigerant Piping......................................................................................................... 10
1-4
Precautions for Wiring ......................................................................................................................... 15
2-1
System Configurations ........................................................................................................................ 19
2-2
Types and Maximum Allowable Length of Cables ............................................................................ 20
2-3
Switch Settings..................................................................................................................................... 21
2-4
M-NET Address Settings ..................................................................................................................... 22
2-5
Demand Control Overview .................................................................................................................. 29
2-6
System Connection Example .............................................................................................................. 30
2-7
Example System with an MA Remote Controller .............................................................................. 32
2-8
Example System with an ME Remote Controller............................................................................... 46
2-9
Example System with an MA and an ME Remote Controller............................................................ 48
2-10 Restrictions on Refrigerant Pipes ...................................................................................................... 51
3-1
3-2
Outdoor Unit Refrigerant Circuit Diagrams ....................................................................................... 67
3-3
Functions of the Major Components of Outdoor Unit ...................................................................... 69
3-4
Functions of the Major Components of Indoor Unit ......................................................................... 72
3-5
3-6
BC Controller Refrigerant Circuit Diagrams ...................................................................................... 76
3-7
Functions of the Major Components of BC Controller ..................................................................... 79
4-1
Outdoor Unit Circuit Board Arrangement .......................................................................................... 87
4-2
Outdoor Unit Circuit Board Components .......................................................................................... 90
4-3
Outdoor Unit Electrical Wiring Diagrams........................................................................................... 98
4-4
Transmission Booster Electrical Wiring Diagrams ......................................................................... 100
4-5
BC Controller Circuit Board Arrangement ....................................................................................... 101
4-6
BC Controller Circuit Board Components ....................................................................................... 102
4-7
BC Controller Electrical Wiring Diagrams ....................................................................................... 104
5-1
Dipswitch Functions and Factory Settings...................................................................................... 117
5-2
Outdoor Unit Control ......................................................................................................................... 124
5-3
BC Controller Control ........................................................................................................................ 139
5-4
Operation Flowcharts ........................................................................................................................ 140
6-1
Read before Test Run ........................................................................................................................ 149
6-2
MA and ME Remote Controller Functions and Specifications....................................................... 150
6-3
6-4
6-5
Making Interlock Settings from an MA Remote Controller............................................................. 157
6-6
Changing the Room Temperature Detection Position .................................................................... 159
6-7
Test Run Method ................................................................................................................................ 160
6-8
Operation Characteristics and Refrigerant Charge ........................................................................ 161
6-9
Evaluating and Adjusting Refrigerant Charge................................................................................. 161
6-10 The Following Symptoms Are Normal ............................................................................................. 166
6-11 Standard Operation Data (Reference Data) ..................................................................................... 167
7-1
Error Code and Preliminary Error Code Lists ................................................................................. 175
7-2
Error Code Definitions and Solutions: Codes [0 - 999]................................................................... 179
HWE13080
GB

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