Mitsubishi Electric CITY MULTI PFFY-WP20VLRMM-E, Техническое и сервисное руководство

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CONTENTS
HWE12100 GB
I
Features
[1] Features.................................................................................................................................... 1
II
Components and Functions
[1] Components and Functions ...................................................................................................... 2
III
Specfications
[1] Specifications............................................................................................................................ 3
1.Specfications .......................................................................................................................... 3
2.Electrical component specifications........................................................................................ 5
IV
Outlines and Dimensions
[1] Outlines and Dimensions.......................................................................................................... 6
V
Wiring Diagram
[1] Wiring Diagram ......................................................................................................................... 7
VI
Refrigerant System Diagram
[1] Refrigerant system diagram...................................................................................................... 8
VII
Troubleshooting
[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
VIII
Disassembly Procedure
[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