Table Of Contents - Mitsubishi Electric CITY MULTI PFFY-WP20VLRMM-E Technical & Service Manual

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Table of Contents

CONTENTS

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

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

[1] Specifications............................................................................................................................ 3

1.Specfications .......................................................................................................................... 3

2.Electrical component specifications........................................................................................ 5

[1] Outlines and Dimensions.......................................................................................................... 6

[1] Wiring Diagram ......................................................................................................................... 7

[1] Refrigerant system diagram...................................................................................................... 8

[1] Troubleshooting ........................................................................................................................ 9

1.Check methods....................................................................................................................... 9

2.DC fan motor (fan motor/indoor control board)..................................................................... 10

3.Address switch setting .......................................................................................................... 11

4.Voltage test points on the control board ............................................................................... 12

5.Dipswitch setting (Factory setting)........................................................................................ 13

6.Instructions for debris removal operation.............................................................................. 15

7.Instructions for the air vent operation ................................................................................... 15

[1] Disassembly Procedure.......................................................................................................... 16

1.Control box ........................................................................................................................... 16

2.Thermistor (Intake air) .......................................................................................................... 17

3.Drainpan ............................................................................................................................... 18

4.Thermistor (Water inlet) (Water outlet) ................................................................................. 20

5.Fan and fan motor ................................................................................................................ 21

6.Heat exchanger .................................................................................................................... 22

HWE12100

Table of Contents