Table Of Contents - Mitsubishi Electric Mr.Slim MUZ-GC25NA - C1 Service Manual

Table of Contents

Table Of Contents1
Outdoor Unit1
Service Manual1
Revision C2
Part Names And Functions3
Specification4
Outlines And Dimensions8
Wiring Diagram9
Refrigerant System Diagram14
Max. Refrigerant Piping Length17
Additional Refrigerant Charge17
Performance Curves18
How To Measure The Indoor Air Wet-Bulb/Dry-Bulb Temperature Difference18
Capacity And Input Curves18
Defrost Operation19
Outdoor Low Pressure And Outdoor Unit Current21
Cool Operation21
Outdoor Low Pressure21
Heat Operation22
Outdoor Unit Current22
Actuator Control23
Outdoor Fan Motor Control23
R.v. Coil Control23
Relation Between Main Sensor And Actuator23
Service Functions24
Troubleshooting24
Change In Defrost Setting24
Pre-Heat Control Setting24
Failure Mode Recall Function25
Operational Procedure25
Flow Chart Of The Detailed Outdoor Unit Failure Mode Recall Function26
Outdoor Unit Failure Mode Table27
Troubleshooting Check Table30
Trouble Criterion Of Main Parts34
Troubleshooting Flow36
A How To Check Inverter/Compressor36
Check Of Open Phase37
Check Of Compressor37
Check Of Compressor Winding37
Check Of Compressor Operation Time38
Check Of Compressor Start Failure38
Check Of Outdoor Thermistors39
Check Of R.v. Coil39
Heating Operation Does Not Work40
Cooling Operation Does Not Work40
Check Of Outdoor Fan Motor41
Check Of Power Supply42
Check Of Lev43
Check Of Inverter P.c. Board44
How To Check Miswiring And Serial Signal Error45
Check Of Hps47
Electromagnetic Noise Enters Into Tv Sets Or Radios48
Test Point Diagram And Voltage49
Inverter P.c. Board49
Front Side Of Unit49
Back Side Of Unit49
Outdoor Electronic Control P.c. Board51
Noise Filter P.c. Board52
Outdoor Power Board53
Disassembly Instructions54
Terminal With Locking Mechanism54
Removing Cabinet And Panels54
Removing The Inverter Assembly, Inverter P.c. Board55
Removing R.v. Coil55
Removing Outdoor Fan Motor56
Removing The Compressor And 4-Way Valve56
Removing The Cabinet57