Table Of Contents - Sharp AE-XM24HR Service Manual

Table of Contents

Table Of Contents1
Service Manual1
Specification2
External Dimension3
Capacity Table3
Recommended Combination3
Cooling Capacity Table4
Heating Capacity Table4
Electrical Parts4
Wiring Diagrams5
Printed Wiring Board6
Electronic Control Circuit Diagram8
Explanation Of Circuit And Operation9
Block Diagarm9
Eration 1] Block Diagarm9
Function10
Frequency Control10
Ac Current Peak Control10
Prevention Control Of Outdoor Heat Exchanger Overheating10
Serial Signals11
Thermistor Open Or Short11
Safety Time11
Pump Down Switch11
During Defrosting12
Power Factor Module Output Voltage12
Active Filter Circuit13
Active Filter Voltage Raise Circuit13
Active Filter Driving Electronics Circuit14
Protection Circuit Of Active Filter14
Explanation Of Ipm Drive Circuit14
Ipm Drive Power Supply Circuit14
Brief Explanation Of Bootstrap System15
Dc Overcurrent Detection Circuit15
Energizing Control15
Terminal Voltage Waveform16
Concept Chart Of The Current Phase Difference Control16
Dc Current Detection Sensor Circuit16
Inverter Current Detection Circuit17
Chapter 3. Function And Operation Of Pro- Tective Procedures Protective Functions And Opera- Tions18
Troubleshooting Guide20
Check Method (Outdoor)23
Non-Insulated Control Circuit23
Cautions When Attaching Or Removing The Board24
Temperature Properties Of Outdoor Thermistors25
Temperature Properties Of Heatsink Thermistor25
Refrigeration Cycle30
Chapter 4. Refrigeration Cycle30
Cycle Temperature And Ｐressurre In Stop Valve31
Performance Curves32
Piping32
Air-Removing32
Pump Down33
Outdoor Unit35
Chapter 5. Disassembling Procedure35
Mounting Position Of Thermistors And Expansion Valves39
Parts Guide41
Control Box Parts42
Cabinet And Parts43
Cycle Parts45
Packing Parts46
Accessory Parts47