Table Of Contents - Mitsubishi Electric CITY MULTI PEFY-AF1200CFM-E Technical & Service Manual

CONTENTS
I Features
[1] Features.................................................................................................................................... 1
II Components and Functions
[1] Components and Functions...................................................................................................... 2
III Specifications
[1] Specifications............................................................................................................................ 4
1.Specifications.......................................................................................................................... 4
2.Electrical component specifications........................................................................................ 6
IV Outlines and Dimensions
[1] Outlines and Dimensions.......................................................................................................... 7
V Wiring Diagram
[1] Wiring Diagram ......................................................................................................................... 9
VI Refrigerant System Diagram
[1] Refrigerant system diagram.................................................................................................... 11
VII Microprocessor Control
[1] Microprocessor Control........................................................................................................... 13
1.Auto operation ...................................................................................................................... 13
VIII Troubleshooting
[1] Responding to Error Display on the Remote Controller.......................................................... 15
[2] Troubleshooting ...................................................................................................................... 18
1.Check methods..................................................................................................................... 18
2.Address switch setting .......................................................................................................... 22
3.Voltage test points on the control board ............................................................................... 23
4.Dipswitch setting (Factory setting)........................................................................................ 24
IX Disassembly Procedure
[1] Disassembly Procedure.......................................................................................................... 26
1.Positions of major components............................................................................................. 26
2.Removing the service panel ................................................................................................. 26
3.Control box ........................................................................................................................... 27
4.Humidity sensor/LEV/Pipe thermistor ................................................................................... 29
5.Drainpan ............................................................................................................................... 30
6.Pump/float switch/supply air temperature thermistor............................................................ 31
7.Fan and fan motor ................................................................................................................ 32
8.Heat exchanger .................................................................................................................... 33
HWE13100 GB