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AUX H Series Manuals
Manuals and User Guides for AUX H Series. We have
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AUX H Series manuals available for free PDF download: Service Manual
AUX H Series Service Manual (241 pages)
50Hz Split type room air conditioner
Brand:
AUX
| Category:
Air Conditioner
| Size: 17 MB
Table of Contents
Table of Contents
3
Basic Definition
4
Chapter 1 The Operation Theory of the Home Air-Conditioner
4
Pressure
4
Section One the Basic Knowledge of Pyrology and Ventilation
4
Temperature
4
Specific Volume
5
Heat Conduction
6
Heat Energy
6
The Heat Transmission Forms
6
Convection
7
The Heat Conductivity Coefficients of some Common Materials
7
Heat Radiation
8
Humidity
8
The Pressure of Air
8
The State Parameter of Air
8
Air Conditioning
9
Enthalpy
9
Temperature Conditioning
9
Air Cleanliness Conditioning
10
Airflow Conditioning
10
Humidity Conditioning
10
Section Two the Basic Knowledge of Refrigeration
10
Azeotropic Mixture Refrigerant
11
Freon Species Refrigerant
11
The Classification of Refrigerant
11
Fluorine 22
12
The Characters of the Common Refrigerant Product
12
The Requirement for the Thermodynamic Character
12
The Basic Property of the Replacement Cold Medium
13
The Theory of Refrigeration
14
Cooling Capacity
15
Heat Pump
15
The Defined Terms of Air-Conditioner in Common Use
15
Coefficient of Performance (COP)
16
Energy and Efficiency Ratio (EER)
16
Heating Capacity
16
The Consumed Power for Heating
16
The Cable, Ammeter and the Quantity of Electricity Consumption
17
The Quantity of Refrigeration in Need for Specific Situations
17
The Time for Temperature’s Drop and Rise
17
Basic Parameters of All Specific Type Air Conditioners
18
The Conception of Hp and the General Unit Conversion
18
The Noise of Air-Conditioner
19
3C Certification
20
CE Certificate
20
Section Three the Basic Structure of the Air-Conditioner
20
Vde
20
Compressor
21
Reciprocating Type
21
Refrigerating System Parts
21
Rotary Type
21
Liquid-Gas Separator
22
Heat Exchanger
23
Condenser
24
Evaporator
24
The Throttling Component
24
Liquid Distributor
25
The Stop Valve
26
One-Way Valve
28
Stop Valve
29
The Location of the Check Valve in the Refrigerating System
29
Three-Way Stop Valve
30
Two-Way Cut-Off Valve
30
Pressure Switch
31
Chapter 2 Introduction of AUX Products
34
Section One the Split&Wall-Mounted Type
34
The Main Functions Specification
35
Emergency Switch
35
Automatic Run Mode
36
Cooling Mode
36
Automatic Wind-Speed Control
37
Dehumidification Mode
37
Ventilation Mode
38
Heating Mode
38
Overheated Protection
40
The Auxiliary Electric Heating Function
40
Intelligent Defrosting Function
40
The Sleeping Control Function
41
The Sleeping Process under Cooling Mode
42
The Sleeping Process under Heating Mode
42
Timing Control Function
42
Timing Power-Off
42
Fault Indication
43
The Definition to Swing Angle of the Air Door
43
The Wind Speed Selection Function
44
Optional Functions
44
Auto-Restart Control Function
45
The Quitting Method for the I Feel Function
45
Negative Ion Function
45
The Basic Conditions for the Operation of the Controller
46
Partition of the Controller’s Function
46
The Specification of the Main Function
46
Automatic Mode
47
Anti-Cold Wind Function When Compressor Stops
51
Residual-Heat Removing Function after Air-Conditioner Stops
51
Anti-High Temperature Protection
52
The Defrosting Function under Heating Mode
52
Auxiliary Electric Heating Function
52
Sleeping Control Function
53
Timing Turns off
53
Timing Turns on
54
Self-Detecting Function
54
Wind Speed Option Function
55
Optional Functions
56
The Tech. Parameter of Part Products
58
Parameter of Product R22
58
Parameter of Product RR407C
60
Parameter of Product R410A
62
The Characteristics of the Appearance and Structure
66
Section Two Floor Standing Unit Type
66
Operation Interface
67
The Function of the Buttons and the Corresponding Indication Light Display
67
The Operation Interface of the Remote Controller
68
Digital Display
69
Wind Grid Button
69
Temperature Regulating Button
69
Working Indication Light
69
Functions for the Controller of the Floor-Standing Unit
70
Fluorescence Display
70
The Basic Working Conditions for the Operation of the Controller
70
The Functions of the Main Buttons
71
Primary Electrified
74
Dehumidifying Mode
74
Control Function of Operation
76
Sleeping Function Control
77
The Quitting Condition for Defrosting
77
The Starting and Quitting Process of Defrosting
77
Fault Display
79
System Selection Function
79
Specification of the Main Function
80
The Button Functions of the Remote Controller
82
Specification of the Control Function
84
Auxiliary Electric-Heater Function (Automatic Run)
86
The Indoor Coil Protection Function(Anti-Freezing and Anti Over-Heated Protection)
88
Up and down Swing Control Function
88
The Delay Protection Function of the Compressor
89
The Self-Detection of System
89
Auto-Restart/Memory Function
90
Time-Lapse Function
90
Tech. Parameter
91
Anti-Freezing Protection
91
Overheating Protection
91
Intelligent Defrosting
98
Negative Ion
98
Section Three Introductions of the Optional Functions
98
The Solid Air Supply (3-D Wind)
99
Music Reminding Button
99
Asw-H09A4/Et
100
Indoor Unit Exploded Picture
100
The Appearance Photos of the Outdoor Unit
34
The Appearance Photos of the Remote Controller
34
Chapter 3 Exploded Pictures of AUX Products
100
Section One E Series Products
100
Detailed Part List of ASW-H09A4/ET Indoor Unit
101
Outdoor Unit Exploded Picture
102
Detailed Part List of ASW-H09A4/ET Outdoor Unit
103
Asw-H09A4/Ec
104
Detailed Part List of ASW-H09A4/EC Outdoor Unit
107
Asw-H12A4/Et
108
Detailed Part List of ASW-H12A4/ET Indoor Unit
109
Detailed Part List of ASW-H12A4/ET Outdoor Unit
111
Asw-H12A4/Ec
112
Detailed Part List of ASW-H12A4/EC Indoor Unit
113
Detailed Part List of ASW-H12A4/EC Outdoor Unit
115
Asw-H18B4/Et
116
Detailed Part List of ASW-H18B4/ET Indoor Unit
117
Detailed Part List of ASW-H18B4/ET Outdoor Unit
119
Asw-H24B4/Et
120
Detailed Part List of ASW-H24B4/ET Indoor Unit
121
Detailed Part List of ASW-H24B4/ET Outdoor Unit
123
Asw-H09A4/Hsf
124
Section Two H Series Products
124
Detailed Part List of ASW-H09A4/HSF Indoor Unit
125
Detailed Part List of ASW-H09A4/HSF Outdoor Unit
127
Asw-H09A4/Hsl
128
Detailed Part List of ASW-H09A4/HSL Indoor Unit
129
Detailed Part List of ASW-H09A4/HSL Outdoor Unit
131
Asw-H09A4/Hs
132
Detailed Part List of ASW-H09A4/HS Indoor Unit
133
Detailed Part List of ASW-H09A4/HS Outdoor Unit
135
Asw-H18B4/Hs
136
Detailed Part List of ASW-H18B4/HS Indoor Unit
137
Detailed Part List of ASW-H18B4/HS Outdoor Unit
139
Asw-H24B4/Hs
140
Detailed Part List of ASW-H24B4/HS Indoor Unit
141
Detailed Part List of ASW-H24B4/HS Outdoor Unit
143
Asf-H24B4/Fs
144
Section Three Floor-Standing Type Air Conditioner Exploded Pictures
144
Detailed Part List of ASF-H24B4/FS Indoor Unit
145
Detailed Part List of ASF-H24B4/FS Outdoor Unit
147
Asf-H41A5/C
148
Detailed Part List of ASF-H41A5/C Indoor Unit
150
Detailed Part List of ASF-H41A5/C Outdoor Unit
152
The Disassembly and the Relating Attention Issues to the Series Products of 9000BTU~12000BTU
153
Chapter 4 The Disassembly and the Relating Attention Issues to the Part of AUX Product
153
Section One the Disassembly and the Relating Attention
153
The Disassembly and the Relating Attention Issues to the Series Product of 18000BTU~24000BTU
157
Section Two the Disassembly and the Relating Attention
157
Troubleshooting Guide
161
The Foremost Inspecting Items
161
Chapter 5 Troubleshooting and Electrical Chart of AUX Air Conditioner
161
Section One Basic Faults Diagnose Process of 9000BTU~12000BTU Products
161
The Indoor Fan Motor Does Not Work
162
The Outdoor Unit Does Not Work
163
The Step Motor Does Not Work
164
Heating Mode Can Work, but no Hot Air Blow
164
Remote Control Can Not Work
165
Section Two Basic Faults Diagnose Process of 18000BTU~24000BTU Products
167
The Failure Analysis of the Main Parts
171
7000~12000BTU Electric Wiring Diagram
172
Section Three Electric Wiring Diagram of AUX Air Conditioner
172
18000BTU Electric Wiring Diagram
174
24000BTU Electric Wiring Diagram
176
Indoor Unit
176
The Regular Service Tool and Application
179
Vacuum Pump
179
Chapter 6 Introduction to the Regular Service Tools for Air-Conditioner
179
Pressure Gauge
180
Expander
181
Flaring Tool
181
Pressure Gauge and Three-Way Repair Valve
181
Structure of Expander
182
The Structure of the Tube-Cutting Knife
182
Tube-Cutting Knife
182
Digital Clamp Meter
183
Gas Welding Apparatus
183
Measure the AC and DC Voltage
183
Tube Bender
183
Measure the Alternating Current Value
184
Measure the Electric Resistance
184
Chapter 7 Failure Analysis and Inspection of Electrical Control System
185
Compressor and Fan Fails to Operate
185
Fan Runs but Compressor Fails to Operate
185
Strong Current Control System
185
Air Conditioner Fails to Work after Switched on
186
Fault Analysis for Electronic Circuit Control System
186
Heat Pump Air Conditioner Fails to Heat
186
Indoor Fan Runs, While Compressor Fails to Work and Trouble Light Blinks
186
Air Conditioner Shuts down Short after It Starts up
187
Troubleshooting for Compressor Motor
187
When Air Conditioner Starts Up, Power Indicator Lights, Indoor Fan Runs but Compressor Fails to Operate
187
Broken-Circuit Inspection of Motor Winding
188
Grounding Inspection of Motor Windings
188
Short Circuit Inspection for Motor Windings
188
Inspection of Protection Relay
189
Inspection of Selection Switch
189
Inspection of Switches and Components of Appliances
189
Inspection of Temperature Controller
189
Cases of Maintenance of Electrical Control System
190
Performance Check for Common Triode
190
Indoor Fan Still Runs When Unit Has Been Turned off and Starts to Run before It Is Turned on
191
Receiver of Remote Controller Can Not Function Properly
191
Temperature Sensor Cannot Function Well
192
Air Conditioner Can’t Refrigerate the Room (Communication Fault)
193
Outdoor Anti-Frost Temperature Sensor: Detecting Outdoor Condenser Coil
193
Outside Communication Interference
193
FS and DS Control Panel Button Failure
194
Protection of Power Phase Sequence
194
Compressor Capacitor and Fan Capacitor
195
Compressor Low -Pressure Can’t be Started up
195
Outdoor Fan Capacitor Fault
195
AC Contactor
196
Power Supply Circuit Failure
196
Transformer Failure
196
Chapter 8 Troubleshooting Guide for Refrigerating System
197
Check All Data of Air Conditioner
197
Main Steps for Refrigerating System Troubleshooting
197
Refrigerating System Faults Type
197
Four-Way Valve Fault
198
One-Way Valve Fault
198
Operation Steps for Refrigerant Filling
198
Refrigerant Filling and Filling Volume Determination
198
Add Refrigerant with High Pressure Valve
199
Etermination of Refrigerant Volume
199
Start up Air Conditioner
199
Tighten Thimble Head
199
Adding of Refrigerant
200
Cleaning and Blowing of Refrigerating System
200
Cleaning of Refrigerating System
200
Value of Refrigerant Adding for Extension Tube
200
Blowing of Refrigerating System
201
Fail to Function in both Cooling and Heating Operations
202
Troubleshooting for Four-Way Valve and Compressor
202
Troubleshooting Method for Four-Way Valve of Heat Pump Air Conditioner
202
Troubleshooting of Four-Way Valve
202
Poor Refrigerating Efficiency
203
Replace of Compressor
203
Troubleshooting for the Compressor
203
Troubleshooting for Totally Enclosed Compressor
203
Compressor Can’t Run Normally
204
Capillary of Outdoor Unit Is Blocked by Ice
205
Capillary of Outdoor Unit was Blocked by Dirt
205
Cases of Refrigerating System Troubleshooting
205
Capillary of Separator of Indoor Unit Evaporator Is Blocked
206
Filter of Outdoor Unit was Blocked by Dirt
207
Flare Mouth of Connection Tube Is Broken
207
Leakage of Connection Line of Evaporator
207
Nut of Connection Tube Is Broken
208
Weld Leakage of Condenser Distributor
208
Welds of High Pressure Valve Leaked
208
Four-Way Valve was Broken
209
The Retaining Valve was Broken
209
Weld of U Type Tube of Condenser Leaked
209
Back Valve Is Broken
210
Failed to Open the Valve Enough During Installation
210
Air Conditioner was Blocked by Dirt
211
Bending of Connection Line
211
Folding of Connection Pipe
211
Pressure Switch was Broken
212
Failed to Evacuate Air in the System Fully During Installation
213
Water Entered the System in Installation
213
Chapter 9 Maintenance Cases of Noise and Water Leakage of AC
214
Section One Cases of Air Conditioner Noise Reduction
214
Indoor Fan Motor Noise
215
Wind Sound of H-Series Air Conditioner
215
Noise Produced by Friction between Fan Blade and Wind Baffle
216
Fix Screws of Fan Blade Loosed
216
Outdoor Fan Motor Noise
217
Noise Caused by Vibration and Collision of Copper Tube
217
Outdoor Fan Motor Bracket Deformed Because of the Vibrating
218
Outdoor Grille Collided with Front Panel
218
Noise Caused by Blocking of Indoor Separate Capillary
218
Noise Caused by Bending of Connection Pipe
219
Noise Caused by Improper Installation
219
Noise Caused by Improper Outdoor Unit Installation
219
Heat Expansion Sound of Plastic Components
220
Air Supply System
220
Drainage System
220
Section Two Maintenance Cases for Water Leakage of Air Conditioner
220
Improper Installation
221
Filter was Blocked by Dirt
221
Indoor Unit Leaked Water in Low Wind Mode
221
Guiding Channel was Blocked and Leaked Water
221
Water Barrier Leaked Water
222
Condensate Leaks from Connection Line Joint
223
Water Drain Tube was Flattened and Leaked
223
Water Drain Tube Wasn’t Wrapped Tightly Enough and Leaked Condensate
224
Water Drain Tube was Broken and Leaked Water
224
System Leaked Water Because of Refrigerant Lack
224
Evaporator was Half-Blocked and Leaked Water
225
System Leaked Air
225
Flush Air Conditioner Leaked Water
226
Common Noises of Indoor Unit
214
Common Noises of Outdoor Unit
214
APPENDIX 1 Introduction to the Fault Display CODE of AUX Air Conditioner
227
ASF-H24B4/B, ASF-H41A5/B Faults Display and Protection Display
229
ASW-(H)18A4/III Fault Display and Protection Display
229
Communication Fault
229
Fault of the Indoor Temperature Sensor
229
H(Y) Model Air-Conditioner Fault Display
231
Faults Display of 18000BTU~24000BTU Wall Unit Series Air-Conditioner
232
APPENDIX 2 Schematic Diagrams of some Controller Panels
233
Schematic Diagram of Controller Panel of E Series Air Conditioner with Display Screen
233
Schematic Diagram of Controller Panel of EA Series Air Conditioner (Motorola Chip)
234
Schematic Diagram of Controller Panel of HS Series Air Conditioner (Motorola Chip)
235
APPENDIX 3 Conversion Table of Major Units
237
Conversion of Energy Units
237
Conversion of Temperature Units
237
Conversion Table of Pressure Units
237
Basic Property of Substitute Refrigerant
238
Heat Conductivity Factors of Several Common Used Material
238
Advertisement
AUX H Series Service Manual (206 pages)
Brand:
AUX
| Category:
Air Conditioner
| Size: 12 MB
Table of Contents
Chapter 1 The Operation Theory of the Room Air-Conditioner
1
Section One- the Basic Knowledge of Pyrology and Ventilation
1
Table of Contents
3
The Operation Theory of the Room Air-Conditioner
4
The Basic Knowledge of Pyrology and Ventilation
4
Basic Definition
4
Temperature
4
Specific Volume
5
Heat Energy
6
The Heat Transmission Forms
6
Heat Conduction
6
Convection
7
The Heat Conductivity Coefficients of some Common Materials
7
Section Two- the Basic Knowledge of Refrigeration
7
Heat Radiation
8
The State Parameter of Air
8
Humidity
8
The Pressure of Air
8
Enthalpy
9
Air Conditioning
9
Temperature Conditioning
9
The Basic Knowledge of Refrigeration
10
Humidity Conditioning
10
Airflow Conditioning
10
Refrigerant
10
The Requirement to the Refrigerant
11
Freon Species Refrigerant
11
Azeotropic Mixture Refrigerant
11
The Classification of Refrigerant
11
The Basic Property of the Replacement Cold Medium
13
The Theory of Refrigeration
14
The Defined Terms of Air-Conditioner in Common Use
15
Heat Pump
15
Cooling Capacity
15
Heating Capacity
16
The Consumed Power for Heating
16
Energy and Efficiency Ratio (EER)
16
Coefficient of Performance (COP)
16
The Time for Temperature’s Drop and Rise
17
The Cable, Ammeter and the Quantity of Electricity Consumption
17
The Quantity of Refrigeration in Need for Specific Situations
17
The Conception of Hp and the General Unit Conversion
18
Basic Parameters of All Specific Type Air Conditioners
18
Section Three- the Basic Structure of the Air-Conditioner
18
3C Certification
20
CE Certificate
20
Environment Symbol Certification
20
ISO9001 International Quality System Certification
20
The Basic Structure of the Air-Conditioner
21
Refrigerating System Parts
21
Compressor
21
Reciprocating Type
21
Rotary Type
22
Liquid-Gas Separator (Liquid Receiver)
22
Heat Exchanger
23
Evaporator
24
Condenser
24
The Configuration of Heat Exchanger
24
The Throttling Component
25
The Stop Valve
26
The Figure of the Electromagnetic Reversing Val
27
Cooling Operation
28
One-Way Valve
29
Heating Operation
29
Check Valve Spherical Valve
29
Check Valve Needle Valve
29
Stop Valve
30
Two-Way Cut-Off Valve
30
The Location of the Check Valve in the Refrigerating System
30
Three-Way Stop Valve
31
Pressure Switch
31
Section One- the Basic Functions Introduction of Electric Controller
31
Structure of the Pressure Switch
32
Indoor Plastic Enveloping Motor
33
Outdoor Iron Shell Motor
33
Horizontal Air-Blade
33
The Step Motor of Standing Air-Conditioner
33
The Basic Functions Introduction of Electric Controller
34
The Characteristics of the Appearance and Structure
34
The Basic Function Introduction of the Split Wall-Mounted Type Electric-Controller (9000BTU~12000BTU)
34
Chapter 2 Introduction of AUX Products
34
Emergency Switch
35
Automatic Run Mode
36
Cooling Mode
36
Automatic Wind-Speed Control
37
Dehumidification Mode
37
Heating Mode
38
Ventilation Mode
38
Intelligent Defrosting Function
40
Overheated Protection
40
The Auxiliary Electric Heating Function
40
The Sleeping Control Function
41
Self-Detecting Function
42
Timing Control Function
42
Fault Indication
43
Optional Functions
44
The Wind Speed Selection Function
44
Auto-Restart Control Function
45
I Feel Function
45
Negative Ion Function
45
Partition of the Controller’s Function
46
The Basic Conditions for the Operation of the Controller
46
The Basic Function Introduction of the Split Wall-Mounted Type Electric Controller (18000BTU~24000BTU)
46
The Specification of the Main Function
46
Automatic Mode
47
Anti-High Temperature Protection
52
Auxiliary Electric Heating Function
52
The Defrosting Function under Heating Mode
52
Sleeping Control Function
53
The Sleeping Process under Cooling Mode
53
The Sleeping Process under Heating Mode
53
Section Two- the Technical Parameter of Part Products
55
Wind Speed Option Function
55
Optional Functions
56
Parameter for R22, H Series, 208-230V/60HZ Products
58
The Tech. Parameter of Part Products
58
Parameter for R22, E Series, 208-230V/60HZ Products
60
Parameter for R410, E Series, 208-230V/60HZ Products, Cooling Only Type
63
Parameter for R22, M Series, 115V/60HZ Products
64
I Feel
66
Intelligent Defrosting
66
Negative Ion
66
Section Three- Introductions of the Optional Functions
66
Music Reminding Button
67
The Specification of the Sterilization Function
67
Asw-H09A2/Et
68
Exploded Views of AUX Air-Conditioner
68
Indoor Unit Exploded View
68
Chapter 3 Exploded Views of AUX Products
68
Section One- E Series Products
68
Detailed Part List of ASW-H09A2/ET Indoor Unit
69
Outdoor Unit Exploded View
70
Detailed Part List of ASW-H09A2/ET Outdoor Unit
71
Asw-H09A2/Ec
72
Detailed Part List of ASW-H09A2/EC Outdoor Unit
75
Asw-H12A2/Et
76
Detailed Part List of ASW-H12A2/ET Indoor Unit
77
Detailed Part List of ASW-H12A2/ET Outdoor Unit
79
Asw-H12A2/Ec
80
Detailed Part List of ASW-H12A42EC Indoor Unit
81
Detailed Part List of ASW-H12A2/EC Outdoor Unit
83
Asw-H18B2/Et
84
Detailed Part List of ASW-H18B2/ET Indoor Unit
85
Detailed Part List of ASW-H18B2/ET Outdoor Unit
87
Asw-H24B2/Et
88
Detailed Part List of ASW-H24B2/ET Indoor Unit
89
Detailed Part List of ASW-H24B2/ET Outdoor Unit
91
Asw-H09A2/Hsf
92
Section Two- H Series Products
92
Detailed Part List of ASW-H09A2/HSF Indoor Unit
93
Detailed Part List of ASW-H09A2/HSF Outdoor Unit
95
Asw-H09A2/Hsl
96
Detailed Part List of ASW-H09A2/HSL Indoor Unit
97
Detailed Part List of ASW-H09A2/HSL Outdoor Unit
99
Asw-H09A2/Hs
100
Detailed Part List of ASW-H09A2/HS Indoor Unit
101
Detailed Part List of ASW-H09A2/HS Outdoor Unit
103
Asw-H18B2/Hs
104
Detailed Part List of ASW-H18B2/HS Indoor Unit
105
Detailed Part List of ASW-H18B2/HS Outdoor Unit
107
Asw-H24B2/Hs
108
Detailed Part List of ASW-H24B2/HS Indoor Unit
109
Detailed Part List of ASW-H24B2/HS Outdoor Unit
111
Exploded View of M Series (9000-12000Btu/H)
112
Section Three- M Series Air Conditioner Exploded Views
112
Detailed Part List of M Series Indoor Unit
113
Detailed Part List of the Outdoor Unit (Cooling Only Type)
115
Outdoor Unit Exploded View (Cool & Heat Series)
116
Detailed Part List of the Outdoor Unit (Heat Pump Type)
117
Indoor Unit
118
Chapter 4 The Disassembly and the Relating Attention Issues to the Part of AUX Product
118
Section One- the Disassembly and the Relating Attention Issues to the Series Products of 9000BTU~12000BTU
118
Outdoor Unit
120
Section Two- the Disassembly and the Relating Attention Issues to the Series Product of 18000BTU~24000BTU
122
The Foremost Inspecting Items
126
No Power Display
126
Chapter 5 Troubleshooting and Electrical Chart of AUX Air Conditioner
126
Section One- Basic Faults Diagnose Process of 9000BTU~12000BTU Products
126
The Indoor Fan Motor Does Not Work
127
The Outdoor Unit Does Not Work
128
The Step Motor Does Not Work
129
Heating Mode Can Work, but no Hot Air Blow
129
Remote Control Can Not Work
130
The Failure Analysis of the Main Parts
130
Section Two- Basic Faults Diagnose Process of 18000BTU~24000BTU Products
132
7000~12000BTU Electric Wiring Diagram£ º
137
Section Three- Electric Wiring Diagram of AUX Air Conditioner
137
18000BTU Electric Wiring Diagram
139
24000BTU Electric Wiring Diagram
141
Outdoor Unit£ º £ ¨ Single Pole AC. Contractor Wiring Diagram£ ©
142
Outdoor Unit£ ¨ Double Pole AC. Contractor Wiring Diagram£ ©
143
The Regular Service Tool and Application
144
Vacuum Pump
144
The Exterior Structure of Vacuum Pump
144
Chapter 6 Introduction of the Regular Service Tools for Air-Conditioner
144
Pressure Gauge
145
Expander
146
Flaring Tool
146
Pressure Gauge and Three-Way Repair Valve
146
Tube-Cutting Knife
147
Structure of Expander
147
The Structure of the Tube-Cutting Knife
147
Tube Bender
148
Gas Welding Apparatus
148
Digital Clamp Meter
148
Measure the AC and DC Voltage
148
Measure the Alternating Current Value
149
Measure the Electric Resistance
149
Strong Current Control System
150
Chapter 7 Failure Analysis and Inspection of Electrical Control System
150
Fault Analysis for Electronic Circuit Control System
151
Troubleshooting for Compressor Motor
152
Inspection of Switches and Components of Appliances
154
Cases of Maintenance of Electrical Control System
155
Silicon Control Is Broken and Indoor Unit Creates Noise
155
Indoor Fan Still Runs When Unit Has Been Turned off and Starts to Run before It Is Turned on
156
Temperature Sensor Cannot Function Well
157
Air Conditioner Can’t Refrigerate the Room (Communication Fault)
158
Outside Communication Interference
158
Protection of Power Phase Sequence
159
FS and DS Control Panel Button Failure
159
Compressor Low -Pressure Can’t be Started up
160
Compressor Capacitor and Fan Capacitor
160
Outdoor Fan Capacitor Fault
160
Transformer Failure
161
Power Supply Circuit Failure
161
AC Contactor
161
Main Steps for Refrigerating System Troubleshooting
162
Refrigerating System Faults Type
162
Chapter 8 Troubleshooting Guide for Refrigerating System
162
Refrigerant Filling and Filling Volume Determination
163
Operation Steps for Refrigerant Filling
163
Cleaning and Blowing of Refrigerating System
165
Adding of Refrigerant
165
Experience Value of Refrigerant Adding for Extension Tube
165
Blowing of Refrigerating System
166
Troubleshooting for Four-Way Valve and Compressor
167
Troubleshooting Method for Four-Way Valve of Heat Pump Air Conditioner
167
Troubleshooting for the Compressor
168
Cases of Refrigerating System Troubleshooting
170
Capillary of Outdoor Unit Is Blocked by Ice
170
Capillary of Outdoor Unit was Blocked by Dirt
170
Capillary of Separator of Indoor Unit Evaporator Is Blocked
171
Filter of Outdoor Unit was Blocked by Dirt
172
Leakage of Connection Line of Evaporator
172
Flare Mouth of Connection Tube Is Broken
172
Nut of Connection Tube Is Broken
173
Welds of High Pressure Valve Leaked
173
Weld Leakage of Condenser Distributor
173
Weld of U Type Tube of Condenser Leaked
174
Four-Way Valve was Broken
174
The Retaining Valve was Broken
174
Back Valve Is Broken
175
Failed to Open the Valve Enough During Installation
175
Air Conditioner was Blocked by Dirt
176
Folding of Connection Pipe
176
Bending of Connection Line
176
Pressure Switch was Broken
177
Water Entered the System in Installation
178
Failed to Evacuate Air in the System Fully During Installation
178
Chapter 9 Maintenance Cases of Noise and Water Leakage of AC
179
Section One- Cases of Air Conditioner Noise Reduction
179
Indoor Fan Motor Noise
180
Wind Sound of H-Series Air Conditioner
180
Noise Produced by Friction between Fan Blade and Wind Baffle
181
Fix Screws of Fan Blade Loosed
181
Outdoor Fan Motor Noise
182
Noise Caused by Vibration and Collision of Copper Tube
182
Outdoor Fan Motor Bracket Deformed Because of the Vibrating
183
Outdoor Grille Collided with Front Panel
183
Noise Caused by Bending of Connection Pipe
184
Noise Caused by Improper Installation
184
Noise Caused by Improper Outdoor Unit Installation
184
Heat Expansion Sound of Plastic Components
185
Section Two- Maintenance Cases for Water Leakage of Air Conditioner
185
Filter was Blocked by Dirt
186
Indoor Unit Leaked Water in Low Wind Mode
186
Guiding Channel was Blocked and Leaked Water
186
Water Barrier Leaked Water
187
Condensate Leaks from Connection Line Joint
188
Water Drain Tube was Flattened and Leaked
188
Water Drain Tube Wasn’t Wrapped Tightly Enough and Leaked Condensate
189
Water Drain Tube was Broken and Leaked Water
189
System Leaked Water Because of Refrigerant Lack
189
Evaporator was Half-Blocked and Leaked Water
190
System Leaked Air
190
Flush Air Conditioner Leaked Water
191
APPENDIX 1 Introduction to the Fault Display CODE of AUX Air Conditioner
192
Schematic Diagram of Controller Board of E Series Air Conditioner with Display Screen (FUJITSU Chip)
198
APPENDIX 2 Schematic Diagrams of some Controller Board
198
Schematic Diagram of Controller Board of EA Series Air Conditioner (Motorola Chip)
199
Schematic Diagram of Controller Board of HS Series Air Conditioner (Motorola Chip)
200
Schematic Diagram of Controller Board of E Series Air Conditioner with Display Screen (with Renesas Chip)
201
Conversion Table of Pressure Units
202
Conversion of Energy Units
202
Conversion of Temperature Units
202
APPENDIX 3 Conversion Table of Major Units
202
Heat Conductivity Factors of Several Common Used Material
203
Basic Property of Substitute Refrigerant
203
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