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AS09SH1ERA
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Haier AS09SH1ERA [87/109] Removal of display assembly

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Service manaul p.1
Dc inverter free match s series p.1
Wall mounted type p.1
Model no as09 12sh1era p.1
U09 12eh1 era p.1
Table of contents p.2
Model name explanation p.4
Introduction p.4
Safety cautions p.4
Warning p.5
Introduction p.5
Domestic air conditioner p.5
Caution in repair p.5
Warning p.6
Introduction p.6
Domestic air conditioner p.6
Cautions regarding products after repair p.6
Warning p.7
Caution p.7
Introduction p.7
Inspection after repair p.7
Domestic air conditioner p.7
Domestic air conditioner p.8
Caution p.8
Î caution caution p.8
Warning warning p.8
Using icons list p.8
Using icons p.8
T note note p.8
Reference p.8
Introduction p.8
Icon type of information description p.8
List of fuctions p.9
Specifications p.10
Domestic air conditioner p.10
As09sh1era 1u09eh1 era as12sh1era 1u12eh1era p.10
Conversion formulae p.11
Snb130fgym2 snb130fgym2 p.11
Domestic air conditioner p.11
Cooling heating piping length p.11
W 52 52 p.11
U09eh1era 1u12eh1era p.11
The data are based on the conditions shown in the table below p.11
Specifications p.11
Indoor unit connectors p.12
Outdoor unit p.13
Connectors p.13
Lo о o p.15
Main functions and control specification of indoor unit p.16
Funcitions and control p.16
Dehumidifying mode p.16
Cooling operation mode p.16
Automatic operation p.16
Heating operation mode p.17
Dormant operation p.18
Air refreshing p.18
Timing p.18
Strength operation p.18
Mute operation p.18
Urgent on off input p.19
Low load protection control p.19
High load protection control p.19
Abnormal operation of indoor system p.19
Malfunction list resume p.20
Single indoor system operation p.20
Power cut compensation p.20
Fixed frequency operation p.20
Abnormality confirmation approaches p.20
Time cutting function p.21
Test program p.21
Ifp optional function p.22
Temp display p.23
Degree heating maintaining p.23
The starting of compressor p.24
The speeds of increasing or decreasing the frequency of the compressor p.24
The operation frequency of outdoor unit and its control p.24
The operation frequency control of compressor p.24
The calculation of the compressor s frequency p.24
Main functions and control specification of outdoor unit p.24
The outdoor fan control when refrigerating or dehumidifying p.26
The outdoor fan control when heating p.26
The outdoor fan control exchange fan p.26
The control of the outdoor electronic expansion valve eev p.26
Ttc high temperature preventing protection p.27
Tc high temperature preventing control of the indoor heating unit p.27
Protection function p.27
Four way control p.27
Anti freezing protection of the indoor heat exchanger p.28
The protection function of ac current p.28
The control of preventing the over current of the compressor p.28
The frequency limitation of modification rate p.29
Temperature protection of the outdoor refrigerating coil p.29
Function of main thermistor p.30
B exhaust temperature sensor c indoor heat exchange sensor p.30
A outdoor suction temperature sensor p.30
Value of thermistor 5 intdoor unit p.31
Room sensor and pipe sensor p.31
R25 c 10kq 3 b25 c 50 c 3700k 3 p.31
Haier ____________ p.31
R25 c 10kq 3 p.34
Outdoor unit p.34
B25 c 50 c 3700k 3 p.34
Ambient sensor suction sensor defrosting sensor p.34
Domestic air conditioner p.35
Function control p.35
Function control p.36
Domestic air conditioner p.36
Function control p.37
Domestic air conditioner p.37
Function and control p.38
Domestic air conditioner p.38
Discharging sensor p.38
C 50kq 3 p.38
80 c 4450к 3 p.38
Function and control p.39
Domestic air conditioner p.39
Function and control p.40
Domestic air conditioner p.40
Function and control p.41
Domestic air conditioner p.41
System configuration p.42
Instruction p.42
Remote controller p.43
Parts and functions p.43
Outdoor unit p.43
Indoor unit p.43
Operation p.44
Loading of the battery p.44
Clock set p.44
Smart operation cool heat and dry operation p.45
Operation p.45
Select tempsetting fan operation swing operation p.46
Operation p.46
Notice p.47
Health operation health airflow operation p.47
Health airflow function p.47
The setting of p.47
The health airflow function p.47
The cancel of p.47
Press health button p.47
Operation p.47
Power soft operation timer operation p.48
Operation p.48
Operation p.49
Comfortable sleep p.49
Operation p.50
Operation p.51
Fresh operation emergency operation and test operation p.51
For smart use of the air conditioner p.51
Cautions p.52
A warning p.52
A caution p.52
Trouble shooting p.53
Cautions p.53
Before asking for service check the following first p.53
Symptom check item details of measure p.54
Service diagnosis p.54
Problem symptoms and measures p.54
Caution for diagnosis p.54
Error codes and description p.55
Thermistor or related abnormality p.56
Indoor ac fan motor malfunction p.57
Indoor dc fan motor malfunction p.59
How to check fan motor dc p.59
Outdoor dc fan motor fault p.61
Ipm protection p.62
The communication fault between ipm and outdoor pcb p.64
Be sure to turn off power switch before connect or disconnect connector or p.65
Malfunction p.65
Else parts damage may be caused p.65
Conditions p.65
Troubleshooting p.65
Overheat protection for discharge temperature p.65
Method of p.65
Faulty thermistor p.65
Faulty pcb p.65
Electronic expansion valve defective p.65
Detection p.65
Faulty eeprom p.66
Else parts damage may be caused p.66
Eeprom abnormal p.66
Detection p.66
Conditions p.66
Be sure to turn off power switch before connect or disconnect connector or p.66
Troubleshooting p.66
Method of p.66
Malfunction p.66
Faulty pcb p.66
Faulty eeprom data p.66
Communication error between the indoor and outdoor units p.67
An abnormal voltage rise or fall is detected by specified voltage checking p.69
Supply voltage not as specified p.69
Power supply over or under voltage fault p.69
Microcomputer p.69
Method of p.69
Malfunction p.69
Detection circuit p.69
Detection p.69
Conditions p.69
An voltage signal is feedback from the voltage detection circuit to the p.69
Troubleshooting be p.69
To turn off power switch before connect or disconnect connector or p.69
Loop of the station detect error p.70
Over current of the compressor p.71
High work intense protection p.72
Mismatching between indoor and outdoor units p.73
Short of refrigerant p.74
Method of p.75
Malfunction p.75
High work intense protection p.75
Detection p.75
Conditions p.75
Installation manual of room air conditioner p.77
Installation p.77
Drawing for the installation of indoor and outdoor units p.77
Domestic air conditioner p.77
Preparation p.77
Unloading of indoor unit body p.78
Selection of pipe p.78
Removing the wiring cover p.78
Rear piping p.78
Other direction piping p.78
Making a hole on the wall and fitting the piping hole cover p.78
Left left rear piping p.78
Installation of the indoor unit p.78
Installation p.78
Indoor unit p.78
Fixing the indoor unit body p.78
Fitting of the mounting plate and positioning of the wall hole p.78
Drawing of pipe p.78
Domestic air conditioner p.78
When the mounting plate is fixed side bar and lintel о connecting the indoor outdoor electric cable p.78
When the mounting plate is first fixed p.78
Accessory parts p.78
When connecting the cable after installing the indoor unit p.78
Purging method to use vacuum pump p.79
Outdoor unit p.79
Installation of outdoor unit p.79
Installation p.79
Domestic air conditioner p.79
Connection of pipes p.79
Connection p.79
Attaching drain elbow optional p.79
Caution p.80
Removal procedure p.81
Removal of front panel p.81
Indoor unit p.81
Removal of filter and blade p.83
Removal of front grill p.84
Removal of drain pan p.86
Removal of display assembly p.87
Removal of vertical blades and swing motor p.88
Removal of electrical box p.89
Removal of heat exchanger p.90
Removal of fan rotor and fan motor p.92
Removal procedure p.93
Removal of outdoor panel p.93
Outdoor unit p.93
Domestic air conditioner p.93
Loosen the screws of the panel p.95
Removal of electrical box p.96
Removal of fan and fan motor p.97
Removal of fan motor bracket and partition p.98
Domestic air conditioner p.99
Removal procedure p.99
Removal of compressor and heat exchange p.100
В1им11111 p.101
Fil il m p.101
Piping diagrams p.102
Heating mode p.102
Cooling mode p.102
Appendix p.102
Outdoor wtrtng diagram p.104
Outdoor unit 01 p.104
Control board circuit diagrams p.105
Control board circuit diagrams p.106
Module board circuit diagram p.108
Sincere forever p.109
Haier group p.109

Haier AS09SH1ERA [87/109] Removal of display assembly

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