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AUX Manuals
Air Conditioner
H Series
Service manual
AUX H Series Service Manual
50hz split type room air conditioner
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Service manual
(206 pages)
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Basic Definition
Chapter 1 The Operation Theory of the Home Air-Conditioner
Pressure
Section One the Basic Knowledge of Pyrology and Ventilation
Temperature
Specific Volume
Heat Conduction
Heat Energy
The Heat Transmission Forms
Convection
The Heat Conductivity Coefficients of some Common Materials
Heat Radiation
Humidity
The Pressure of Air
The State Parameter of Air
Air Conditioning
Enthalpy
Temperature Conditioning
Air Cleanliness Conditioning
Airflow Conditioning
Humidity Conditioning
Section Two the Basic Knowledge of Refrigeration
Azeotropic Mixture Refrigerant
Freon Species Refrigerant
The Classification of Refrigerant
Fluorine 22
The Characters of the Common Refrigerant Product
The Requirement for the Thermodynamic Character
The Basic Property of the Replacement Cold Medium
The Theory of Refrigeration
Cooling Capacity
Heat Pump
The Defined Terms of Air-Conditioner in Common Use
Coefficient of Performance (COP)
Energy and Efficiency Ratio (EER)
Heating Capacity
The Consumed Power for Heating
The Cable, Ammeter and the Quantity of Electricity Consumption
The Quantity of Refrigeration in Need for Specific Situations
The Time for Temperature’s Drop and Rise
Basic Parameters of All Specific Type Air Conditioners
The Conception of Hp and the General Unit Conversion
The Noise of Air-Conditioner
3C Certification
CE Certificate
Section Three the Basic Structure of the Air-Conditioner
Vde
Compressor
Reciprocating Type
Refrigerating System Parts
Rotary Type
Liquid-Gas Separator
Heat Exchanger
Condenser
Evaporator
The Throttling Component
Liquid Distributor
The Stop Valve
One-Way Valve
Stop Valve
The Location of the Check Valve in the Refrigerating System
Three-Way Stop Valve
Two-Way Cut-Off Valve
Pressure Switch
Chapter 2 Introduction of AUX Products
Section One the Split&Wall-Mounted Type
The Main Functions Specification
Emergency Switch
Automatic Run Mode
Cooling Mode
Automatic Wind-Speed Control
Dehumidification Mode
Ventilation Mode
Heating Mode
Overheated Protection
The Auxiliary Electric Heating Function
Intelligent Defrosting Function
The Sleeping Control Function
The Sleeping Process under Cooling Mode
The Sleeping Process under Heating Mode
Timing Control Function
Timing Power-Off
Fault Indication
The Definition to Swing Angle of the Air Door
The Wind Speed Selection Function
Optional Functions
Auto-Restart Control Function
The Quitting Method for the I Feel Function
Negative Ion Function
The Basic Conditions for the Operation of the Controller
Partition of the Controller’s Function
The Specification of the Main Function
Automatic Mode
Anti-Cold Wind Function When Compressor Stops
Residual-Heat Removing Function after Air-Conditioner Stops
Anti-High Temperature Protection
The Defrosting Function under Heating Mode
Auxiliary Electric Heating Function
Sleeping Control Function
Timing Turns off
Timing Turns on
Self-Detecting Function
Wind Speed Option Function
Optional Functions
The Tech. Parameter of Part Products
Parameter of Product R22
Parameter of Product RR407C
Parameter of Product R410A
The Characteristics of the Appearance and Structure
Section Two Floor Standing Unit Type
Operation Interface
The Function of the Buttons and the Corresponding Indication Light Display
The Operation Interface of the Remote Controller
Digital Display
Wind Grid Button
Temperature Regulating Button
Working Indication Light
Functions for the Controller of the Floor-Standing Unit
Fluorescence Display
The Basic Working Conditions for the Operation of the Controller
The Functions of the Main Buttons
Primary Electrified
Dehumidifying Mode
Control Function of Operation
Sleeping Function Control
The Quitting Condition for Defrosting
The Starting and Quitting Process of Defrosting
Fault Display
System Selection Function
Specification of the Main Function
The Button Functions of the Remote Controller
Specification of the Control Function
Auxiliary Electric-Heater Function (Automatic Run)
The Indoor Coil Protection Function(Anti-Freezing and Anti Over-Heated Protection)
Up and down Swing Control Function
The Delay Protection Function of the Compressor
The Self-Detection of System
Auto-Restart/Memory Function
Time-Lapse Function
Tech. Parameter
Anti-Freezing Protection
Overheating Protection
Intelligent Defrosting
Negative Ion
Section Three Introductions of the Optional Functions
The Solid Air Supply (3-D Wind)
Music Reminding Button
Asw-H09A4/Et
Indoor Unit Exploded Picture
The Appearance Photos of the Outdoor Unit
The Appearance Photos of the Remote Controller
Chapter 3 Exploded Pictures of AUX Products
Section One E Series Products
Detailed Part List of ASW-H09A4/ET Indoor Unit
Outdoor Unit Exploded Picture
Detailed Part List of ASW-H09A4/ET Outdoor Unit
Asw-H09A4/Ec
Detailed Part List of ASW-H09A4/EC Outdoor Unit
Asw-H12A4/Et
Detailed Part List of ASW-H12A4/ET Indoor Unit
Detailed Part List of ASW-H12A4/ET Outdoor Unit
Asw-H12A4/Ec
Detailed Part List of ASW-H12A4/EC Indoor Unit
Detailed Part List of ASW-H12A4/EC Outdoor Unit
Asw-H18B4/Et
Detailed Part List of ASW-H18B4/ET Indoor Unit
Detailed Part List of ASW-H18B4/ET Outdoor Unit
Asw-H24B4/Et
Detailed Part List of ASW-H24B4/ET Indoor Unit
Detailed Part List of ASW-H24B4/ET Outdoor Unit
Asw-H09A4/Hsf
Section Two H Series Products
Detailed Part List of ASW-H09A4/HSF Indoor Unit
Detailed Part List of ASW-H09A4/HSF Outdoor Unit
Asw-H09A4/Hsl
Detailed Part List of ASW-H09A4/HSL Indoor Unit
Detailed Part List of ASW-H09A4/HSL Outdoor Unit
Asw-H09A4/Hs
Detailed Part List of ASW-H09A4/HS Indoor Unit
Detailed Part List of ASW-H09A4/HS Outdoor Unit
Asw-H18B4/Hs
Detailed Part List of ASW-H18B4/HS Indoor Unit
Detailed Part List of ASW-H18B4/HS Outdoor Unit
Asw-H24B4/Hs
Detailed Part List of ASW-H24B4/HS Indoor Unit
Detailed Part List of ASW-H24B4/HS Outdoor Unit
Asf-H24B4/Fs
Section Three Floor-Standing Type Air Conditioner Exploded Pictures
Detailed Part List of ASF-H24B4/FS Indoor Unit
Detailed Part List of ASF-H24B4/FS Outdoor Unit
Asf-H41A5/C
Detailed Part List of ASF-H41A5/C Indoor Unit
Detailed Part List of ASF-H41A5/C Outdoor Unit
The Disassembly and the Relating Attention Issues to the Series Products of 9000BTU~12000BTU
Chapter 4 The Disassembly and the Relating Attention Issues to the Part of AUX Product
Section One the Disassembly and the Relating Attention
The Disassembly and the Relating Attention Issues to the Series Product of 18000BTU~24000BTU
Section Two the Disassembly and the Relating Attention
Troubleshooting Guide
The Foremost Inspecting Items
Chapter 5 Troubleshooting and Electrical Chart of AUX Air Conditioner
Section One Basic Faults Diagnose Process of 9000BTU~12000BTU Products
The Indoor Fan Motor Does Not Work
The Outdoor Unit Does Not Work
The Step Motor Does Not Work
Heating Mode Can Work, but no Hot Air Blow
Remote Control Can Not Work
Section Two Basic Faults Diagnose Process of 18000BTU~24000BTU Products
The Failure Analysis of the Main Parts
7000~12000BTU Electric Wiring Diagram
Section Three Electric Wiring Diagram of AUX Air Conditioner
18000BTU Electric Wiring Diagram
24000BTU Electric Wiring Diagram
Indoor Unit
The Regular Service Tool and Application
Vacuum Pump
Chapter 6 Introduction to the Regular Service Tools for Air-Conditioner
Pressure Gauge
Expander
Flaring Tool
Pressure Gauge and Three-Way Repair Valve
Structure of Expander
The Structure of the Tube-Cutting Knife
Tube-Cutting Knife
Digital Clamp Meter
Gas Welding Apparatus
Measure the AC and DC Voltage
Tube Bender
Measure the Alternating Current Value
Measure the Electric Resistance
Chapter 7 Failure Analysis and Inspection of Electrical Control System
Compressor and Fan Fails to Operate
Fan Runs but Compressor Fails to Operate
Strong Current Control System
Air Conditioner Fails to Work after Switched on
Fault Analysis for Electronic Circuit Control System
Heat Pump Air Conditioner Fails to Heat
Indoor Fan Runs, While Compressor Fails to Work and Trouble Light Blinks
Air Conditioner Shuts down Short after It Starts up
Troubleshooting for Compressor Motor
When Air Conditioner Starts Up, Power Indicator Lights, Indoor Fan Runs but Compressor Fails to Operate
Broken-Circuit Inspection of Motor Winding
Grounding Inspection of Motor Windings
Short Circuit Inspection for Motor Windings
Inspection of Protection Relay
Inspection of Selection Switch
Inspection of Switches and Components of Appliances
Inspection of Temperature Controller
Cases of Maintenance of Electrical Control System
Performance Check for Common Triode
Indoor Fan Still Runs When Unit Has Been Turned off and Starts to Run before It Is Turned on
Receiver of Remote Controller Can Not Function Properly
Temperature Sensor Cannot Function Well
Air Conditioner Can’t Refrigerate the Room (Communication Fault)
Outdoor Anti-Frost Temperature Sensor: Detecting Outdoor Condenser Coil
Outside Communication Interference
FS and DS Control Panel Button Failure
Protection of Power Phase Sequence
Compressor Capacitor and Fan Capacitor
Compressor Low -Pressure Can’t be Started up
Outdoor Fan Capacitor Fault
AC Contactor
Power Supply Circuit Failure
Transformer Failure
Chapter 8 Troubleshooting Guide for Refrigerating System
Check All Data of Air Conditioner
Main Steps for Refrigerating System Troubleshooting
Refrigerating System Faults Type
Four-Way Valve Fault
One-Way Valve Fault
Operation Steps for Refrigerant Filling
Refrigerant Filling and Filling Volume Determination
Add Refrigerant with High Pressure Valve
Etermination of Refrigerant Volume
Start up Air Conditioner
Tighten Thimble Head
Adding of Refrigerant
Cleaning and Blowing of Refrigerating System
Cleaning of Refrigerating System
Value of Refrigerant Adding for Extension Tube
Blowing of Refrigerating System
Fail to Function in both Cooling and Heating Operations
Troubleshooting for Four-Way Valve and Compressor
Troubleshooting Method for Four-Way Valve of Heat Pump Air Conditioner
Troubleshooting of Four-Way Valve
Poor Refrigerating Efficiency
Replace of Compressor
Troubleshooting for the Compressor
Troubleshooting for Totally Enclosed Compressor
Compressor Can’t Run Normally
Capillary of Outdoor Unit Is Blocked by Ice
Capillary of Outdoor Unit was Blocked by Dirt
Cases of Refrigerating System Troubleshooting
Capillary of Separator of Indoor Unit Evaporator Is Blocked
Filter of Outdoor Unit was Blocked by Dirt
Flare Mouth of Connection Tube Is Broken
Leakage of Connection Line of Evaporator
Nut of Connection Tube Is Broken
Weld Leakage of Condenser Distributor
Welds of High Pressure Valve Leaked
Four-Way Valve was Broken
The Retaining Valve was Broken
Weld of U Type Tube of Condenser Leaked
Back Valve Is Broken
Failed to Open the Valve Enough During Installation
Air Conditioner was Blocked by Dirt
Bending of Connection Line
Folding of Connection Pipe
Pressure Switch was Broken
Failed to Evacuate Air in the System Fully During Installation
Water Entered the System in Installation
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Chapter 5 Troubleshooting and Electrical Chart of aux Air Conditioner
2
Appendix 1 Introduction to the Fault Display Code of aux Air Conditioner
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Table of Contents
Troubleshooting
Troubleshooting Guide
161
Troubleshooting for compressor motor
187
Main steps for refrigerating system troubleshooting
197
Troubleshooting for four-way valve and compressor
202
Troubleshooting for the compressor
203
Cases of Refrigerating System Troubleshooting
205
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Summarization of Contents
Chapter 1: Air Conditioner Operation Theory
Basic Knowledge of Pyrology and Ventilation
Explains basic principles of temperature, pressure, specific volume, and heat energy.
Basic Knowledge of Refrigeration
Details refrigerants, refrigeration theory, and system components.
Basic Structure of Air Conditioners
Describes the main components and working principles of air conditioning systems.
Chapter 2: AUX Air Conditioner Product Introduction
Split and Wall-Mounted Unit Characteristics
Covers appearance, structure, and basic functions of split wall-mounted units.
Chapter 3: AUX Air Conditioner Exploded Views
E Series Product Exploded Pictures
Exploded diagrams for E series indoor and outdoor units.
H Series Product Exploded Pictures
Exploded diagrams for H series indoor and outdoor units.
Floor-Standing Air Conditioner Exploded Pictures
Exploded diagrams for floor-standing indoor units.
Chapter 4: Air Conditioner Disassembly and Handling
Disassembly for 9000-12000BTU Products
Step-by-step instructions for disassembling indoor and outdoor units.
Disassembly for 18000-24000BTU Products
Step-by-step instructions for disassembling larger capacity units.
Chapter 5: Air Conditioner Troubleshooting and Wiring Diagrams
Troubleshooting for 9000-12000BTU Products
Diagnosing common faults and their causes in 9000-12000BTU models.
Troubleshooting for 18000-24000BTU Products
Diagnosing common faults and their causes in 18000-24000BTU models.
Electric Wiring Diagrams
Provides wiring diagrams for indoor and outdoor units.
Chapter 6: Air Conditioner Service Tools
Regular Service Tools and Applications
Details common tools like vacuum pumps, pressure gauges, and expanders.
Chapter 7: Electrical Control System Failure Analysis
Strong Current Control System Faults
Analyzes faults in the strong current control system, including compressor/fan issues.
Electronic Circuit Control System Fault Analysis
Details faults in electronic control panels and components.
Chapter 8: Refrigerating System Troubleshooting Guide
Refrigerating System Troubleshooting Steps
Outlines steps to check and diagnose refrigerating system issues.
Refrigerating System Fault Types
Describes common faults like blockages, leaks, and valve issues.
Refrigerant Filling and Volume Determination
Covers procedures and considerations for refrigerant filling and volume.
Cleaning and Blowing of Refrigerating System
Details cleaning procedures for polluted refrigerating systems.
Troubleshooting Four-Way Valve and Compressor
Addresses issues with four-way valves and compressors, including replacement.
Chapter 9: Air Conditioner Noise and Water Leakage Maintenance
Air Conditioner Noise Reduction Cases
Covers common noise sources and solutions for indoor and outdoor units.
Air Conditioner Water Leakage Maintenance Cases
Addresses various causes and solutions for water leakage issues.
Appendix 1: AUX Air Conditioner Fault Codes
Fault Display Codes for Various Series
Lists fault codes and display patterns for different AUX air conditioner models.
Appendix 2: Controller Panel Schematic Diagrams
E Series Controller Panel Schematics (Fujitsu Chip)
Schematic diagrams for E series controller panels using Fujitsu chips.
EA Series Controller Panel Schematics (Motorola Chip)
Schematic diagrams for EA series controller panels using Motorola chips.
HS Series Controller Panel Schematics (Motorola Chip)
Schematic diagrams for HS series controller panels using Motorola chips.
E Series Controller Panel Schematics (Renesas Chip)
Schematic diagrams for E series controller panels using Renesas chips.
Appendix 3: Unit Conversion Tables
Pressure Unit Conversion Table
Table for converting between different pressure units (Pa, kgf/cm², Atm, mmHg, Psi).
Energy Unit Conversion Table
Table for converting between energy units (kJ, kcal, BTU, W, HP).
Temperature Unit Conversion Table
Formulas for converting between Celsius, Fahrenheit, and Kelvin temperatures.
Heat Conductivity Factors of Common Materials
Table listing heat conductivity factors for various common materials.
Properties of Substitute Refrigerants
Compares properties of refrigerants like R-22, R-410A, and R-407C.
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