Haier 1U25S2PJ1FA [4/77] Safety cautions

Содержание

• Haiei service manaul 1
• Contents 2
• Domestic air conditioner 4
• Introduction 4
• Safety cautions 4
• Cautions regarding products after repair 5
• Domestic air conditioner 5
• Introduction 5
• Warning 5
• Domestic air conditioner 6
• Introduction 6
• Caution 7
• Domestic air conditioner 7
• Inspection after repair 7
• Introduction 7
• Warning 7
• Caution 8
• Caution caution 8
• Domestic air conditioner 8
• Icon type of information description 8
• Introduction 8
• Note note 8
• Reference 8
• The table below 8
• Using icons icons are used to attract the attention of the reader to specific information the meaning of each icon is described in 8
• Using icons list 8
• Warning warning 8
• Domestic air conditioner 9
• Specification 9
• Specifications 9
• Domestic air conditioner 10
• Piping connections external diameter 10
• Refrigerant circuit 10
• Sensors list 10
• Specification 10
• Domestic air conditioner 12
• Operation range 12
• Domestic air conditioner 13
• Printed circuit board connector wiring diagram 13
• Wiring diagrams 13
• Domestic air conditioner 14
• Wiring diagrams 14
• Domestic air conditioner 17
• Wiring diagrams 17
• Compressor 18
• Don t touch capacitor even after pi lg off danger of electric 18
• For your safety be sure to wait at least 5 minutes after plug off and use a tester to confirm the voltage between connector p and n is less than dc 10v before start servicing 18
• Iííiiiií 18
• Outdoor pcb 18
• Reactor 18
• Shock the capacitor retains high voltage even after the plug off 18
• Отток 18
• Сеш 18
• Main functions and control specification 19
• Outdoor functions and control 19
• The operation frequency of outdoor unit and its control 19
• Domestic air conditioner 20
• Functions and control 20
• Domestic air conditioner 21
• Four way control 21
• Functions and control 21
• Haier ____________________ 21
• Protection function 21
• The outdoor fan control exchange fan 21
• Domestic air conditioner 22
• Functions and control 22
• Ambient sensor defrosting sensor pipe sensor 23
• B c decreasing rapidly 23
• C decreasing slowly 23
• C the compressor recovers 23
• Domestic air conditioner 23
• Functions and control 23
• Increasing slowly 23
• Keeping the frequency 23
• R25 c 10kq 3 b25 c 50 c 3700k 3 23
• Value of thermistor 23
• ____ 9 c 23
• Domestic air conditioner 24
• Functions and control 24
• Domestic air conditioner 25
• Functions and control 25
• Domestic air conditioner 26
• Functions and control 26
• Discharging sensor 27
• Domestic air conditioner 27
• Functions and control 27
• R80 c 50kq 3 b25 80 c 4450k 3 27
• Domestic air conditioner 28
• Functions and control 28
• Domestic air conditioner 29
• Functions and control 29
• Domestic air conditioner 30
• Functions and control 30
• Caution for diagnosis 32
• Parameter of primary electronic appliance 32
• Service diagnosis 32
• Domestic air conditioner 33
• Problem symptoms and measures 33
• Service diagnosis 33
• Domestic air conditioner 34
• Error codes and description indoor display 34
• Service diagnosis 34
• Domestic air conditioner 35
• Service diagnosis 35
• Thermistor or related abnormality 35
• Domestic air conditioner 36
• Eeprom abnormal 36
• Outdoor dc fan motor fault 36
• Service diagnosis 36
• Domestic air conditioner 37
• Ipm protection 37
• Service diagnosis 37
• Domestic air conditioner 38
• Over current of the compressor 38
• Service diagnosis 38
• Domestic air conditioner 39
• Service diagnosis 39
• The communication fault between ipm and outdoor pcb 39
• Domestic air conditioner 40
• Power supply over or under voltage fault 40
• Service diagnosis 40
• Domestic air conditioner 41
• Overheat protection for discharge temperature 41
• Service diagnosis 41
• Domestic air conditioner 42
• Service diagnosis 42
• 0 the communication fault between indoor and outdoor 43
• Domestic air conditioner 43
• Service diagnosis 43
• 1 loss of synchronism detection 44
• Domestic air conditioner 44
• Inverter side current detection is abnormal 44
• Service diagnosis 44
• 2 high work intense protection 45
• Domestic air conditioner 45
• Service diagnosis 45
• Cooling capacity and indoor outdoor temp curves 46
• Cooling capacity temperature curves 09k 46
• Domestic air conditioner 46
• H performence and cerves diagrams 46
• Performance and ceves diagrams 46
• Cooling capacity and indoor outdoor temp curves 47
• Cooling capacity temperature curves 12k 47
• Domestic air conditioner 47
• Indoor tempe db wb 47
• Performance and ceves diagrams 47
• Cooling power consumption value temperature curves 12k 49
• Domestic air conditioner 49
• Performance and ceves diagrams 49
• Cooling discharge pressure curves 09k 50
• Domestic air conditioner 50
• Performance and ceves diagrams 50
• Cooling discharge pressure curves 12k 51
• Domestic air conditioner 51
• Performance and ceves diagrams 51
• Cooling suction pressure curves 09k 52
• Cooling suction pressure curves 12k 53
• Domestic air conditioner 53
• Performance and ceves diagrams 53
• 000 q 500 54
• Domestic air conditioner 54
• Heating capacity and indoor outdoor temp curves 54
• Heating capacity temperature curves 09k 54
• Performance and ceves diagrams 54
• Domestic air conditioner 55
• Heating capacity and indoor outdoor temp curves 55
• Heating capacity temperature curves 12k 55
• Performance and ceves diagrams 55
• Domestic air conditioner 56
• Heating power consumption value temperature curves 09k 56
• Performance and ceves diagrams 56
• Domestic air conditioner 57
• Heating power consumption value temperature curves 12k 57
• Performance and ceves diagrams 57
• Domestic air conditioner 58
• Heating discharge pressure curves 09k 58
• Performance and ceves diagrams 58
• Domestic air conditioner 59
• Heating discharge pressure curves 12k 59
• Performance and ceves diagrams 59
• Domestic air conditioner 60
• Heating suction pressure curves 09k 60
• Performance and ceves diagrams 60
• Domestic air conditioner 61
• Heating suction pressure curves 12k 61
• Performance and ceves diagrams 61
• Sound level 62
• Haier group 66
• Sincere forever 66
• Haier removal procedure 67
• Domestic air conditioner 68
• Mg й к wim 68
• Outdoor unit 68
• Remove of front panel 68
• Domestic air conditioner 69
• Domestic air conditioner 71
• Gofefeay 73
• Ж ä w 73
• Domestic air conditioner 74
• Domestic air conditioner 75
• Ода 76
• Conditioner 77
• Domestic air 77
• J жж 77

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Haier Introduction 1 2 Safety Cautions Be sure to read the following safety cautions before conducting repair work The caution items are classified into Warning and Caution The Warning items are especially important since they can lead to death or serious injury if they are not followed closely The Caution items can also lead to serious accidents under some conditions if they are not followed Therefore be sure to observe all the safety caution items described below About the pictograms This symbol indicates an item for which caution must be exercised The pictogram shows the item to which attention must be paid o This symbol indicates a prohibited action The prohibited item or action is shown inside or near the symbol This symbol indicates an action that must be taken or an instruction The instruction is shown inside or near the symbol After the repair work is complete be sure to conduct a test operation to ensure that the equipment operates Normally and explain the cautions for operating the product to the customer 1 2 1 Caution in Repair Warning Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the discharging refrigerant gas The refrigerant gas can cause frostbite When disconnecting the suction or discharge pipe of the compressor at the welded section release the refrigerant gas completely at a well ventilated place first If there is a gas remaining inside the compressor the refrigerant gas or cooling machine oil discharges when the pipe is disconnected and it can cause injury If the refrigerant gas leaks during the repair work ventilate the area The refrigerant gas can generate toxic gases when it contacts flames The step up capacitor supplies high voltage electricity to the electrical components of the outdoor unit Be sure to discharge the capacitor completely before conducting repair work A charged capacitor can cause an electrical shock Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug Plugging or unplugging the power cable plug to operate the equipment can cause an electrical shock or fire Haier 2 Domestic air conditioner