Table Of Contents - Mitsubishi Electric MSH-18RV Service Manual

Table of Contents

Table Of Contents1
Service Manual1
Technical Changes2
Part Names And Functions2
Outdoor Unit3
Accessories3
Remote Controller4
Specification6
Noise Criteria Curves8
Outlines And Dimensions10
Wiring Diagram13
Refrigerant System Diagram17
Performance Curves20
Air Flow20
Main Readings20
How To Measure The Indoor Air Wet-Bulb/Dry-Bulb Temperature Difference20
Outdoor Low Pressure And Outdoor Unit Current21
Heat Operation22
Microprocessor Control36
Indoor Unit Display Section36
Operation Indicator Lamp36
I Feel Control Operation36
Wireless Remote Controller36
Temperature Buttons37
Cool Mode Of "I Feel Control"38
DRY Mode of "I FEEL CONTROL"38
Coil Frost Prevention38
Outdoor Fan Speed Control38
HEAT Mode of "I FEEL CONTROL"39
High Pressure Protection40
Discharge Temperature Protection40
Defrosting41
Defrost Thermistor Rt6141
Cool Operation42
Dry Operation42
R.v. Coil Control42
Indoor Fan Motor Control43
Auto Vane Operation43
Timer Operation46
How To Set The Timer46
Program Timer46
Emergency-Test Operation47
Lev Control48
Lev Opening Correction By Discharge Temperature48
Lev Time Chart49
Service Functions50
Compulsory Defrosting Mode For Service50
Change In Defrost Setting50
Timer Short Mode50
Auto Restart Function51
Troubleshooting52
Cautions On Troubleshooting52
Instruction Of Troubleshooting53
Troubleshooting Check Table55
Normal Operation55
Trouble Criterion Of Main Parts57
Check Of Indoor Fan Motor59
Check Of Remote Controller And Receiver P.c. Board59
Check Of Indoor Electronic Control P.c. Board60
Check Of Outdoor Unit60
Check Of R.v. Coil63
How To Check Mis-Wiring And Serial Signal Error64
How To Check Mis-Wiring65
Check Of Lev (Expansion Valve)66
Check Of Outdoor Thermistor66
Test Point Diagram And Voltage67
Outdoor Deicer P.c. Board69
Disassembly Instructions71
Msh-30Rv73
Muh-18Rv75
Parts List79
Indoor Unit Structural Parts79
Indoor Unit Heat Exchanger79
Indoor Unit Functional Parts And Electrical Parts80
Accessory And Remote Controller Part80
Outdoor Unit Structural Parts, Electrical Parts And Functional Parts82
Electrical Parts85
Optional Parts88
Accessory Parts88
Air Cleaning Filter88
Deodorizing Filter88