Table Of Contents - Mitsubishi Electric City Multi PFFY-P20VLRMM-E Technical & Service Manual

For use with the r410a

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Table of Contents

CONTENTS

I Features

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

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

[1] Specifications............................................................................................................................ 4

1.Specfications .......................................................................................................................... 4

2.Electrical component specifications........................................................................................ 6

[1] Outlines and Dimensions.......................................................................................................... 7

[1] Wiring Diagram ......................................................................................................................... 8

[1] Refrigerant system diagram.................................................................................................... 10

[1] Troubleshooting ...................................................................................................................... 11

1.Check methods..................................................................................................................... 11

2.DC fan motor (fan motor/indoor control board)..................................................................... 15

3.Address switch setting .......................................................................................................... 16

4.Voltage test points on the control board ............................................................................... 17

5.Dipswitch setting (Factory setting)........................................................................................ 18

[1] Disassembly Procedure.......................................................................................................... 21

1.Control box ........................................................................................................................... 21

2.Thermistor (Intake air) .......................................................................................................... 22

3.Drainpan ............................................................................................................................... 23

4.Thermistor (Gas pipe) (Liquid pipe) ...................................................................................... 25

5.Fan and fan motor ................................................................................................................ 26

6.Heat exchanger .................................................................................................................... 27

HWE07170

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