Table Of Contents - Mitsubishi Electric PUHY-M200YNW-A1 Service Handbook

CONTENTS
Chapter 1 Check Before Servicing
1-1 Preparation for Piping Work.................................................................................................................. 1
1-2 Handling and Characteristics of Piping Materials, Refrigerant, and Refrigerant Oil ....................... 3
1-3 Working with Refrigerant Piping......................................................................................................... 14
1-4 Water piping.......................................................................................................................................... 19
1-5 Precautions for Wiring ......................................................................................................................... 22
1-6 Cautionary notes on installation environment and maintenance.................................................... 24
Chapter 2 Restrictions
2-1 System Configurations .......................................................................................................................... 1
2-2 Types and Maximum Allowable Length of Cables .............................................................................. 2
2-3 Switch Settings....................................................................................................................................... 3
2-4 M-NET Address Settings ....................................................................................................................... 4
2-5 Demand Control Overview .................................................................................................................... 9
2-6 System Connection Example .............................................................................................................. 10
2-7 Example System with an MA Remote Controller .............................................................................. 11
2-8 Example System with an ME Remote Controller............................................................................... 21
2-9 Example System with an MA and an ME Remote Controller............................................................ 23
2-10 Restrictions on Refrigerant Pipes ...................................................................................................... 25
Chapter 3 Major Components, Their Functions and Refrigerant Circuits
3-1 External Appearance and Refrigerant Circuit Components of Outdoor Unit ................................... 1
3-2 Outdoor Unit Refrigerant Circuit Diagrams ......................................................................................... 9
3-3 Functions of the Major Components of Outdoor Unit ...................................................................... 13
3-4 Functions of the Major Components of Indoor Unit ......................................................................... 17
3-5 External Appearance and Refrigerant Circuit Components of Hydro Unit ..................................... 18
3-6 Hydro Unit Refrigerant Circuit Diagrams ........................................................................................... 20
3-7 Functions of the Major Components of Hydro Unit .......................................................................... 21
Chapter 4 Electrical Components and Wiring Diagrams
4-1 Outdoor Unit Circuit Board Arrangement ............................................................................................ 1
4-2 Outdoor Unit Circuit Board Components ............................................................................................ 6
4-3 Outdoor Unit Electrical Wiring Diagrams........................................................................................... 17
4-4 Transmission Booster Electrical Wiring Diagrams ........................................................................... 20
4-5 Hydro Unit Circuit Board Arrangement .............................................................................................. 21
4-6 Hydro Unit Circuit Board Components .............................................................................................. 22
4-7 Hydro Unit Electrical Wiring Diagrams .............................................................................................. 25
Chapter 5 Control
5-1 Dipswitch Functions and Factory Settings.......................................................................................... 1
5-2 Outdoor Unit Control ........................................................................................................................... 11
5-3 Hydro Unit Control ............................................................................................................................... 22
Chapter 6 Test Run
6-1 Read before Test Run ............................................................................................................................ 1
6-2 Operation Characteristics and Refrigerant Charge ............................................................................ 2
6-3 Evaluating and Adjusting Refrigerant Charge..................................................................................... 2
6-4 The Following Symptoms Are Normal ................................................................................................. 8
6-5 Hydro Unit Replacement Instructions .................................................................................................. 9
HWE18130 GB