Table Of Contents - Mitsubishi Electric Mr.Slim MSZ09UN Service Manual

Table of Contents

Table Of Contents1
Service Manual1
Features2
Remote-Control Operation Mode3
Auto-Restart Function3
High Performance Rotary Compressor3
Part Names And Functions4
Indoor Unit4
Outdoor Unit4
Accessories5
Remote Controller5
Specifications6
Test Condition7
Max. Refrigerant Piping Length7
Max. Height Difference7
Performance Data8
Cooling Capacity Corrections8
How To Operate With Fixed Operational Frequency Of The Compressor8
Performance Curve9
Condensing Pressure11
Standard Operation Data13
Power Supply13
Operating Range14
Outlet Air Speed And Coverage Range14
Additional Refrigerant Charge R22 (Oz.)14
Guaranteed Voltage15
Air Flow15
Main Readings15
How To Measure The Indoor Air Wet-Bulb/Dry-Bulb Temperature Difference15
Cooling Capacity16
Heating Capacity17
Outlines And Dimensions18
Wiring Diagram20
Msz09Un20
Msz12Un20
Muz09Un, Muz12Un21
Refrigerant System Diagram22
Microprocessor Control23
Wireless Remote Controller23
Indoor Unit Display Section23
"I Feel Control" Operation24
Cool Mode of "I Feel Control"25
Indoor Fan Speed Control25
Coil Frost Prevention25
Temperature Control25
Dry Mode of "I Feel Control"26
The Operation Of The Compressor And Indoor/ Outdoor Fan26
Operation Time Chart27
Heat Mode of "I Feel Control"27
Warm Air Control28
Flow Soft Control28
High Pressure Protection28
Defrosting28
Time Chart Of Defrosting In Heat Mode (Reverse Type)29
R.v. Coil Control29
Outdoor Fan Motor Control30
Cool Operation30
Dry Operation30
Heat Operation30
Fan Motor Control (Msz09Un)31
Auto Vane Operation31
Timer Operation32
Program Timer32
Emergency-Test Operation33
Outline Drawing Of Main Power Supply33
At Normal Operation34
Power Factor Improvement Of Power Supply34
Elimination Of Electrical Noise34
Ipm34
Operational Frequency Control Of Outdoor Unit35
Outline35
Optimal Voltage Control36
How To Determine The Optimal Voltage36
Expansion Valve Control (Lev Control)37
Outline Of Lev Control37
Time Chart38
Control Data38
Service Functions39
Change In Defrost Setting39
Timer Short Mode39
P.c. Board Modification For Individual Operation39
Auto Restart Function40
Cautions On Troubleshooting41
Troubleshooting Procedure42
Troubleshooting Check Table43
Outdoor Led Indication Table44
Trouble Criterion Of Main Parts45
How To Check Inverter/Compressor47
Check Of Open Phase47
Check Of Open Ipm47
Check Of Compressor48
Check Of Compressor Winding48
Check Of Compressor Operation Time48
Check Of Indoor Fan Motor49
Check Of Remote Controller And Receiver P.c. Board50
Check Of Indoor Electronic Control P.c. Board51
Check Of Outdoor Thermistors51
Check Of R.v. Coil52
Check Of Outdoor Fan Motor52
Check Of Power Supply53
Check Of Rush Current Limiting Circuit53
Check Of Expansion Valve (Lev)54
How To Check Mis-Wiring And Serial Signal Error55
Test Point Diagram And Voltage56
Msz09Un Indoor Electronic Control P.c. Board56
Msz12Un Indoor Electronic Control P.c. Board57
Muz09Un, Muz12Un Outdoor Electronic Control P.c. Board58
Muz09Un, Muz12Un Noise Filter P.c. Board59
Muz09Un, Muz12Un Relay P.c. Board59
Relay Operation Msz09Un, Msz12Un60
Solid State Relay (Indoor Fan Motor Relay) Msz12Un60
Disassembly Instructions61
"Terminal With Lock Mechanism" Detaching Points61
Msz09Un Indoor Unit61
Removing The Front Panel61
Removing The Electrical Box62
Removing The Vane Motor62
Removing The Line Flow Fan And The Indoor Fan Motor63
Msz12Un Indoor Unit64
Removing The Indoor Fan Motor And The Line Flow Fan65
Muz09Un, Muz12Un Outdoor Unit66
Removing The Cabinet66
Removing The Inverter Assembly66
Removing The Electronic Control P.c. Board66
Removing The Propeller And The Outdoor Fan Motor67
Removing The Compressor67
Parts List68
Msz09Un (W)68
Indoor Unit Structural Parts68
Accessory And Remote Controller68
Indoor Unit Electrical Parts And Functional Parts69
Indoor Unit Heat Exchanger69
Msz12Un (W)70
Muz09Un, Muz12Un Outdoor Unit Structural Parts And Functional Parts72
Muz09Un, Muz12Un Outdoor Unit Electrical Parts73
Optional Parts74
Refrigerant Pipes74
Air Cleaning Filter74
Deodorizing Filter74