Table Of Contents - Mitsubishi Electric Mr.SLIM SFZ 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 SPECIFICATION
[1] SPECIFICATION .................................................................................................................... 15
IV FAN PERFORMANCE AND CORRECTED AIR FLOW
[1] FAN PERFORMANCE AND CORRECTED AIR FLOW ......................................................... 17
V SOUND PRESSURE LEVELS
[1] SOUND PRESSURE LEVELS ............................................................................................... 20
1.Sound pressure level ............................................................................................................ 20
2.NC curves ............................................................................................................................. 20
VI OUTLINES & DIMENSIONS
[1] OUTLINES & DIMENSIONS................................................................................................... 25
VII WIRING DIAGRAM
[1] WIRING DIAGRAM................................................................................................................. 29
VIII REFRIGERANT SYSTEM DIAGRAM
[1] REFRIGERANT SYSTEM DIAGRAM .................................................................................... 30
IX TROUBLESHOOTING
[1] TROUBLESHOOTING............................................................................................................ 31
1.Cautions on troubleshooting ................................................................................................. 31
2.Troubleshooting .................................................................................................................... 31
3.Self-diagnosis action table.................................................................................................... 35
4.Troubleshooting of problems ................................................................................................ 40
5.Test point diagram ................................................................................................................ 41
6.Trouble criterion of main parts .............................................................................................. 42
7.Thermistor............................................................................................................................. 42
8.DC fan motor (fan motor/indoor controller board)................................................................. 43
9.Functions of dip switch and jumper wire............................................................................... 44
X DISASSEMBLY PROCEDURE
[1] DISASSEMBLY PROCEDURE .............................................................................................. 45
1.Control box ........................................................................................................................... 45
2.Thermistor (Intake air) .......................................................................................................... 45
3.Drain pan .............................................................................................................................. 46
4.Thermistor (Condenser/evaporator) (Liquid pipe)................................................................. 47
5.Fan and fan motor ................................................................................................................ 48
6.Bearing ................................................................................................................................. 49
7.Heat exchanger .................................................................................................................... 50
8.R32 sensor ........................................................................................................................... 52
HWE1909A GB