Table Of Contents - Mitsubishi Electric SEZ Series Technical & Service Manual

CONTENTS
I SAFETY PRECAUTION
[1] Safety Precaution ..................................................................................................................... 1
1.ALWAYS OBSERVE FOR SAFETY....................................................................................... 1
2.CAUTIONS RELATED TO NEW REFRIGERANT ................................................................. 1
II PART NAMES AND FUNCTIONS
[1] Part Names and Functions ....................................................................................................... 7
III SPECIFICATIONS
[1] Specifications.......................................................................................................................... 15
IV OUTLINES AND DIMENSIONS
[1] Outlines and Dimensions........................................................................................................ 28
V WIRING DIAGRAM
[1] Wiring Diagram ....................................................................................................................... 30
VI REFRIGERANT SYSTEM DIAGRAM
[1] Refrigerant System Diagram .................................................................................................. 31
VII TROUBLESHOOTING
[1] Troubleshooting ...................................................................................................................... 32
1.CAUTIONS ON TROUBLESHOOTING................................................................................ 32
2.TROUBLESHOOTING.......................................................................................................... 32
3.MALFUNCTION-DIAGNOSIS METHOD BY REMOTE CONTROLLER .............................. 33
4.SELF-DIAGNOSIS ACTION TABLE..................................................................................... 36
5.TROUBLESHOOTING BY INFERIOR PHENOMENA ........................................................ 40
6.TEST POINT DIAGRAM....................................................................................................... 41
7.TROUBLE CRITERION OF MAIN PARTS ........................................................................... 42
8.DC FAN MOTER (FAN MOTOR/INDOOR CONTROLLER BOARD) .................................. 43
VIII DISASSEMBLY PROCEDURE
[1] Disassembly Procedure.......................................................................................................... 44
1.Control box ........................................................................................................................... 44
2.Thermistor (Intake air) .......................................................................................................... 44
3.Drainpan ............................................................................................................................... 45
4.Thermistor (Condenser / evaporator) (Liquid pipe)............................................................... 46
5.Fan and fan motor ................................................................................................................ 47
6.Bearing [M50·60·71DA(L) model only] ................................................................................. 48
7.Heat exchanger .................................................................................................................... 48
HWE21010 GB