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Haier AS35TAMHRA-C, Service Manual

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Haier AS35TAMHRA-C Service Manual Download Page 54

2

7

                            Domestic Air Conditioner

Removal Procedure

Lift up the exchanger 

and remove it

1

Summary of Contents for AS35TAMHRA-C

Page 1: ...mptin g to servic e a product Product s powered by electricit y should be service d or repaire d only by experience d professiona l technicia ns Any attemp t to service or Repai r the produc t or product s dealt with in this servic e information by anyone else could result in seriou s injury or death WARNING 2020 Qingdao Haier Air Condi tioner Genera l corp Ltd All rights reserved Unauthoriz ed co...

Page 2: ...troduction 1 2 Features 7 3 Specifications 8 4 Sensors list 9 5 Piping diagrams 10 6 Printed circuit board connector wiring diagram 11 7 Functions and control 8 Dimensional drawings 9 Center of gravity 10 Service Diagnosis 11 Circuit diagrams 14 44 27 26 26 ...

Page 3: ... Model name explanation A S 3 5 T A M H R A Indoor unit Type of indoor unit S wall mounted Nominal cooling capacity 12000BTU h Platform of indoor units T T platform 35 capicity Version number Indoor units DC inverter Apply toT1 220 240V50HZ 1ph C self clean ...

Page 4: ...efore 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...

Page 5: ...ing the welder in an enclosed room can cause oxygen deficiency 1 2 2 Cautions Regarding Products after Repair Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating t...

Page 6: ...generation or fire Do not damage or modify the power cable Damaged or modified power cable can cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable can damage the cable Do not mix air or gas other than the specified refrigerant R 410A R22 in the refrigerant system If air enters the refrigerating system an excessively high pressure results ...

Page 7: ...operly water can enter the room and wet the furniture and floor 1 2 3 Inspection after Repair Warning Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet all the way If the plug has dust or loose connection it can cause an electrical shock or fire If the power cable and lead wires have scratches or deteriorated be sure to replace them Damaged...

Page 8: ...k Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor 1 2 4 Using Icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below 1 2 5 Using Icons List Icon Type of Information Description Note Note A note provides informa...

Page 9: ...articles including dust virus and bacteria to provide healthier environment Strong Airflow With improved fan and air duct the air conditioner supplies up to 25 more air volume than the conventional Warm Start Blows no cold air when the unit is starting to work at heating mode or change from cooling mode to heating mode 15 C Heating Provides powerful heating performance in cold winter with rotary c...

Page 10: ...ating Capacity rated KW 3 2 3 4 Btu h 10920 11603 Power Consumption Rated KW 1 07 1 0 EER COP W W 3 01 3 41 Annual energy consumption KWh Moisture Removal m h 1 4 10 TECHNICAL SPECIFICATIONS Dimensions H W D mm 820 195 280 Packaged Dimensions H W D mm 909 279 355 Weight KG 8 2 Gross weight KG 10 5 Color White Sound level Sound pressure high medium low dB 38 34 29 Sound power dB 50 ...

Page 11: ...Downward Air filter Removable Washable Mildew Proof Temperature control Microcomputer Control Remote controller model 0010401715DG Note the data are based on the conditions shown in the table below cooling heating Piping length Indoor 27 DB 19 WB Outdoor 35 DB 24 WB Indoor 20 DB Outdoor 7 DB 6 WB 5m 4 Sensors list Conversation formulae Kcal h KW 860 Btu h KW 3414 cfm m min 35 3 type Description Qt...

Page 12: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10 ...

Page 13: ... 1 CN9 CN8 Connector for AC fan motor 2 CN6 Connector for heat exchanger thermistor and Room temperature thermistor 3 CN5 Connector for UP DOWN STEP motor 4 CN17 Connector for indoor terminal L 5 CN21 Connector for indoor terminal N 6 CN7 Connector for display board 7 CN23 red line Connector for communicate between the indoor board and the outdoor board 8 CN34 Connector for wifi Module 9 CN51 Conn...

Page 14: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1 CN5 CN51 CN7 CN34 SW1 CN2 CN6 CN36 CN8 CN9 CN23 CN21 CN17 CN27 ...

Page 15: ...he two pins of CN51 should be shorted when the second channel RC of SW2 is selected CN9 AC FAN MOTOR CAP M TO OUTDOOR UNIT 2 N C 3 L 1 GND Y G CN21 N CN23 S CN27 PE CN17 L W B R Y G JP1 JP4 JP3 PROGRAM EE TIME LAG UP DOWN STEPMOTOR CN5 CN5 CN51 ROOM CARD LEFT RIGHT STEPMOTOR CN11 DISPLAY BOARD CN7 CN34 WIFI MODULE SW1 CN14 EMERGENCY CN36 REMOTE CN6 PIPE TEMP SENSOR AMBIENT TEMP SENSOR CN2 WIRED CO...

Page 16: ...e Backlash B the compressor will be shutted the indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system The system will keep the original status if Tr Ts Airflow speed control temperature difference 1ć Automatic When Tr Ts 3ć high speed When Ts 1ć Tr Ts 3ć medium speed When Tr Ts 1ć low speed When the sensor is off low speed When the airflow speed has no del...

Page 17: ... minutes and the outdoor system still operates the system will be changed into light speed mode When the airflow speed has no delay from the high to low switching the speed should be delayed for 3 minutes remain at high speed for 3 minutes before the next switch Manual When the sensor is off or Tr Ts 3 the manual operation can not be made obligatory automatic operation Airgate location control the...

Page 18: ...layed for 3 minutes remain at high speed for 3 minutes before the next switch Airgate location control the location for the airgate can be set according to your needs Coldair proof operation 1 The fan control functions as below Residue heat sending The indoor fan will send the residue heat at a low speed for 20 seconds If other conditions are satisfied when the compressor stops the indoor system w...

Page 19: ...eration 7 1 7 Air refreshing This model does not choose After receiving the signal from the remote control HV series the background light of the health logo is green HS series the health indicator will be lighted If the fan operates the Nano Aqua operates to realize the ions sending function If the indoor fan stops the Nano Aqua is turned off When the Nano Aqua is turned off if the air refreshing ...

Page 20: ...etting If the fan is at the low speed before the dormant setting the speed will not change 7 1 10 Urgent on off input Press the urgency button the buzzer will ring The system will enter the automatic mode if you don t press the button for more than 5 seconds Under the system off mode if you press the urgency key for 5 to 10 seconds the system will start the test operation Under the system off mode...

Page 21: ...oor system When the outdoor system operates if the indoor system operation differs from the outdoor system the abnormal operation malfunction will be reported 10s after the report the indoor system will be closed Outdoor system mode Indoor system mode conflicts cooling heating yes cooling cooling no cooling airflow no heating heating no heating airflow yes heating cooling yes 7 1 14 Malfunction li...

Page 22: ...e indoor system thus can quit the single operation mode 7 1 17 Power cut compensation Entering condition Press dormant button 10 times within 7 second the buzzer will ring 4 times and the present system status will be stored into the EEPROM of the indoor system After entering the power cut compensation mode the processing of the indoor system should be as the followings Remote control urgency sign...

Page 23: ... 7939 62 0907 1 68 1 55 15 70 0342 64 3023 58 9863 1 66 1 54 14 66 3463 61 0123 56 0565 1 64 1 52 13 62 8755 57 9110 53 2905 1 62 1 51 12 59 6076 54 9866 50 6781 1 60 1 49 11 56 5296 52 2278 48 2099 1 58 1 47 10 53 6294 49 6244 45 8771 1 56 1 46 9 50 8956 47 1666 43 6714 1 54 1 44 8 48 3178 44 8454 41 5851 1 51 1 42 7 45 8860 42 6525 39 6112 1 49 1 40 6 43 5912 40 5800 37 7429 1 47 1 39 5 41 4249 ...

Page 24: ... 7475 10 4216 10 0964 0 75 0 75 25 10 3000 10 0000 9 7000 0 75 0 75 26 9 8975 9 5974 9 2980 0 76 0 76 27 9 5129 9 2132 8 9148 0 80 0 80 28 9 1454 8 8465 8 5496 0 84 0 83 29 8 7942 8 4964 8 2013 0 87 0 86 30 8 4583 8 1621 7 8691 0 91 0 90 31 8 1371 7 8428 7 5522 0 95 0 93 32 7 8299 7 5377 7 2498 0 98 0 97 33 7 5359 7 2461 6 9611 1 02 1 00 34 7 2546 6 9673 6 6854 1 06 1 04 35 6 9852 6 7008 6 4222 1 ...

Page 25: ...5 2 29 68 2 2347 2 0695 1 9147 2 49 2 34 69 2 1652 2 0032 1 8516 2 54 2 38 70 2 0983 1 9393 1 7908 2 59 2 42 71 2 0337 1 8778 1 7324 2 63 2 46 72 1 9714 1 8186 1 6761 2 68 2 50 73 1 9113 1 7614 1 6219 2 73 2 54 74 1 8533 1 7064 1 5697 2 78 2 58 75 1 7974 1 6533 1 5194 2 83 2 63 76 1 7434 1 6021 1 4710 2 88 2 67 77 1 6913 1 5528 1 4243 2 92 2 71 78 1 6409 1 5051 1 3794 2 97 2 75 79 1 5923 1 4592 1 ...

Page 26: ... 0 6484 4 29 3 88 104 0 7848 0 7036 0 6303 4 34 3 92 105 0 7641 0 6845 0 6127 4 40 3 97 106 0 7441 0 6661 0 5957 4 46 4 02 107 0 7247 0 6482 0 5792 4 51 4 07 108 0 7059 0 6308 0 5632 4 57 4 12 109 0 6877 0 6140 0 5478 4 63 4 16 110 0 6700 0 5977 0 5328 4 69 4 21 111 0 6528 0 5820 0 5183 4 74 4 26 112 0 6361 0 5667 0 5043 4 80 4 31 113 0 6200 0 5518 0 4907 4 86 4 36 114 0 6043 0 5374 0 4775 4 92 4 ...

Page 27: ...Dimensional drawings 24 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity ...

Page 28: ...roken Operation sometimes stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation Equipment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve Set the units to cooling operation and compare the temperatures of the liquid side connection pipes of the connection section among rooms to c...

Page 29: ...y 7 Compressor stall press instantaneous stop Page 40 F4 Directly display 8 Compressor discarging temperature protection Page 41 F8 Trouble record 9 Abnormal of DC motor Page 36 F21 Directly display 10 Abnormal of piping sensor Page 32 F6 Directly display 12 Abnormal of outdoor ambient sensor Page 32 F25 Directly display 13 Abnormal of compressor discharge sensor Page 32 F13 Trouble record 16 Lack...

Page 30: ...or input is more than 4 92V or less than 0 08V during compressor Decision operation Conditions z Note The values vary slightly in some models Supposed Ŷ Faulty connector connection Causes Ŷ Faulty thermistor Ŷ Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Thermistor resistance check method Remove the ...

Page 31: ... Data detected by the EEPROM are used to determine MCU Malfunction Detection Malfunction When the data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed Ŷ Faulty EEPROM data Causes Ŷ Faulty EEPROM Ŷ Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Replace the indoor or outdoor mainboard...

Page 32: ...e to breaking of the fan motor lead wires Detection error due to faulty indoor unit PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Check whether terminals on indoor pcb is well Pull out the term inals on the indoor mainboard and reinsert them Turn off power switch and pull out the fan motor Measure the resist...

Page 33: ...ing condition and so on Malfunction Detection Malfunction when the data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed Ƶ DC fan motor protection dues to the DC fan motor faulty Causes Ƶ DC fan motor protection dues to faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred ...

Page 34: ...e power Measure the resistances between black line 0V and red line 310V between black line 0V and white line 15V of the fan motor NO YES The resistances are greater than 40K NO YES The motor of the outdoor unit is damaged and needs replacing NO the resistances between 0V and 310V between 0V and 15V of the fan terminal of outdoor pcb are greater than 10M The module pcb is damaged replace it with a ...

Page 35: ... to IPM protection due to over current Decision Ŷ The compressor faulty leads to IPM protection Conditions Ŷ circuit component of IPM is broken and led to IPM protection Supposed Ŷ IPM protection dues to the compressor faulty Causes Ŷ IPM protection dues to faulty PCB of IPM module Ŷ Compressor wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnec...

Page 36: ...pply Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Electrify the machine again and turn it on with the remote controller If malfunctions are reported before or upon the compressor being started up IPM Module is damaged and needs replacing Repair the power supply The system may have been over or under charged with gas...

Page 37: ...isconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred 1 Check whether Terminal CN23 and CN24 on the outdoor mainboard CN10 and CN11 on IPM module 2 Check whether the connected wire between IPM and outdoor Are they good Electrify the machine again and turn it on Check whether the voltage between 1 and 2 of Te...

Page 38: ...Supply voltage not as specified Causes Ŷ the IPM module is broken Ŷ the outdoor PCB is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Electrify the machine again and turn it on with the remote controller Check whether the compressor is started normally Is it ok Yes Maybe there is some disturbance NO No 230...

Page 39: ... occurred Electrify the machine again and turn it on with the remote controller then measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit The temperature exceeds 110 ć shortly after the machine starts up 1 The cryogen may have been leaked during installation or there may be leakage in the piping system 2 There may be other causes to make the exhaust tempe...

Page 40: ...ing Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Restart the a c and it becomes normally If starting up normally but malfunction occurs again after a while The outdoor mainboard needs dehumidification The outdoor mainboard needs dedust Check whether the linking cable between the indoor and outdoor is well connected or whether ...

Page 41: ...utdoor pcb is damaged replace it with a new one NO Measure the voltage Between 3 and 4 of IC9 on the Outdoor mainboard with a Multimete The voltage is a constant value of 0V DC to 5V DC The outdoor pcb is damaged replace it with a new one YES NO The outdoor pcb is well and then check the cable If the voltage is a constant value of 0V DC to 5V DC Or the voltage between Communication line red and N ...

Page 42: ...mpressor Ƶ Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Within 3 minutes after the machine is supplied with power and turned on with the remote controller check whether the compressor can start up 1 The wiring of compressor is incorrect or the connection is poor 2 The compressor is damaged At first the co...

Page 43: ...Dirty heat exchanger Ƶ Faulty heat exchange sensor Ƶ Insufficient gas Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Electrify the machine again and turn it on with the remote controller check whether the wind temperature is below 65ć The malfunction is reported after the machine has run for some time 1 ǃ Check r...

Page 44: ...Circuit diagrams 43 Domestic air conditioner 11 Circuit Diagrams ...

Page 45: ...Circuit diagrams 44 Domestic air conditioner ...

Page 46: ...stic air conditioner Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China_ Http www haier com Edited by Signed by Approved by Jing yanqin Wang wanli Yang Wenjun Wu Hongjin ...

Page 47: ...al dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or Repair the product or products dealt with in this service information by anyone else could result in serious injury or death WARNING 2015 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthorized co...

Page 48: ...Removal Procedure 1 Domestic Air Conditioner Removal of front panel front panel 2 Loosen the screw Loosen the hook and the service Cover ...

Page 49: ...Removal Procedure 2 Domestic Air Conditioner Lift up the control box cover 3 Loosen the screw 4 Lift up the control box cover 5 ...

Page 50: ...hen release the pivots on both sides of the unit to remove the front panel Removal of front panel Removal Procedure 3 Domestic Air Conditioner Pull the wires out of the control box 6 Remove the air filters 1 ...

Page 51: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3 ...

Page 52: ...horizontal flap flap Removal Procedure 5 Domestic Air Conditioner and the stepper motor Loosen the screws and remove the stepper motor ...

Page 53: ...2 Every blade go round and round then move it Removal Procedure 6 Domestic Air Conditioner horizontal louver and control box Loosen the screws ...

Page 54: ...2 7 Domestic Air Conditioner Removal Procedure Lift up the exchanger and remove it 1 ...

Page 55: ...Removal Procedure 8 Domestic Air Conditioner motor cover motor cover ...

Page 56: ...Removal Procedure 9 Domestic Air Conditioner ...

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