Table Of Contents - Mitsubishi Electric City Multi PEFY-M20VMA-A Technical & Service Manual

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Table of Contents

CONTENTS

I Features

[1] Features.................................................................................................................................... 1

II Components and Functions

[1] Components and Functions...................................................................................................... 2

[1] Specifications............................................................................................................................ 5

1.Specifications.......................................................................................................................... 5

2.Electrical component specifications...................................................................................... 11

[1] Outlines and Dimensions........................................................................................................ 14

[2] Service Space......................................................................................................................... 17

[1] Wiring Diagram ....................................................................................................................... 20

[1] Refrigerant system diagram.................................................................................................... 22

[1] Troubleshooting ...................................................................................................................... 23

1.Check methods..................................................................................................................... 23

2.DC fan motor (fan motor/indoor control board)..................................................................... 27

3.Address switch setting .......................................................................................................... 28

4.Voltage test points on the control board ............................................................................... 29

5.Dipswitch setting (Factory setting)........................................................................................ 30

[1] Disassembly Procedure.......................................................................................................... 33

1.Control box ........................................................................................................................... 33

2.Thermistor (Intake air) .......................................................................................................... 34

3.Drain pump ........................................................................................................................... 34

4.Drainpan ............................................................................................................................... 35

5.Thermistor (Gas pipe) (Liquid pipe) ...................................................................................... 36

6.Fan and fan motor ................................................................................................................ 37

7.Heat exchanger .................................................................................................................... 38

HWE19070

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