Haier 1U12EH1ERA [81/109] Removal procedure

Содержание

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

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Haier Removal Procedure 9 Removal Procedure Indoor unit 9 1 Removal of Front Panel Procedure Haier Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work 78 Domestic Air Conditioner