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SERVICE MANUAL

 

Model

 

 

AS

3

5R

BA

HRA-

PL

This servic e informatio n is designed for experience d repai r technician s only and is not designe d for use by the genera l public.

It does not contai n warning s or caution s to advise non-technic al individuals of potentia l dangers in attemptin g to servic e a product.

Product s powered by electricit y shoul d 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

Version

 

V1

 

Date

 

202

3-11-16

Summary of Contents for AS35RBAHRA-PL

Page 1: ...on s to advise non technic al individuals of potentia l dangers in attemptin g to servic e a product Product s powered by electricit y should be service d or repaire d only by experience d professiona...

Page 2: ...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...

Page 3: ...1 1 Model Nameplate A S 3 5 R B A H R A Apply toT1 220 240V50HZ 1ph DC inverter Indoor units Version number 35 capacity Platform of indoor units R R platform Nominal cooling capacity 11945BTU h Type...

Page 4: ...est operation to ensure that the equipment operates Normally and explain the cautions for operating the product to the customer Check the embedded wire are four roots L N COM GND GND is needed if not...

Page 5: ...n cause an electrical shock or fire Warning Do not repair the electrical components with wet hands Working on the equipment with wet hands can cause an electrical shock Do not clean the air conditione...

Page 6: ...r electrical work can cause an electrical shock or fire Be sure to use the specified cable to connect between the indoor and outdoor units Make the connections securely and route the cable properly so...

Page 7: ...mains around the unit it can cause a fire Be sure to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water can enter the room and wet...

Page 8: ...ck 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 t...

Page 9: ...equency It enables users to enioy a cool room within a much shorter time micro particles including dust virus and bacteria to provide healthier environment Strong Airflow With improved fan and air duc...

Page 10: ...W W P O C S R E E S 184 h W K n o i t p m u s n o c y g r e n e l a u n n A h m l a v o m e R e r u t s i o M TECHNICAL SPECIFICATIONS m m D W H s n o i s n e m i D m s n o i s n e m i D d e g a k c a...

Page 11: ...t a r e p m e t r o t a r o p a v e d n a m R o o r g n i t c e t e d Conversation formulae Kcal h KW 860 Btu h KW 3414 cfm m min 35 3 Specifications TECHNICAL SPECIFICATIONS PARTS cooling heating Typ...

Page 12: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10 9 52CuT 9 52CuT 6 35CuT 6 35CuT...

Page 13: ...control Pin 3 and Pin 4 combined control corresponding to 23 26 33and35of the machine respectively 2 Jumper J1 and J2 combined control corresponding to different series of display boards ON means kee...

Page 14: ...estic air conditioner PCB 1 PE L N Ion generator ACFan motor Anion module Ambient Pipe Temp sensor Room card Display board Emergency Up down stepmotor Right left stepmotor Human light sensors controll...

Page 15: ...Printed circuit board connector wiring diagram 13 Domestic air conditioner Wiring diagrams...

Page 16: ...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...

Page 17: ...opped for more than 3 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...

Page 18: ...ayed 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...

Page 19: ...ration 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...

Page 20: ...tting 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 m...

Page 21: ...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...

Page 22: ...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 syste...

Page 23: ...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...

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...

Page 25: ...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...

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 68...

Page 27: ...Service diagnosis Domestic air conditioner 26 8 Dimensional unit mm 9 Center of gravity unit mm 292 805 199 501 6 805 292 128 805 310 199 95...

Page 28: ...CB is broken 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 p...

Page 29: ...21 Indoor unit overload in heating mode pipe temperature sensor Indoor PCB Indoor motor E14 Indoor fan motor malfunction Indoor motor Indoor PCB Outdoor Malfunction F1 2 IPM protection Power module Re...

Page 30: ...frigerant compressor F23 25 Compressor U phase overcurrent Compressor V phase overcurrent Compressor W phase overcurrent Power module Refrigerant compressor F24 27 CT detection current abnormal protec...

Page 31: ...ssor operation Note The values vary slightly in some models Faulty connector connection Faulty thermistor Faulty PCB Caution Be sure to turn off power switch before connect or disconnect connector or...

Page 32: ...h 1 times The Data detected by the EEPROM are used to determine MCU When the data of EEPROM is error or the EEPROM is damaged Faulty EEPROM data Faulty EEPROM Faulty PCB Caution Be sure to turn off po...

Page 33: ...es Detection error due to faulty indoor unit PCB Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Trouble shooting Method of Malfunc...

Page 34: ...check if the motor can run YES Measure whether there is a voltage pulse 0 15VDC between 4 and 5 of the CN9 terminal on the indoor PCB The indoor motor is damaged and need replace NO Is it ok YES The...

Page 35: ...ore connect or disconnect connector or else parts damage may be occurred Method of Detection Trouble shooting Supposed Causes Malfunction Decision Conditions Check whether terminal on the outdoor main...

Page 36: ...ck line and red line between black line and white line of the fan terminal of outdoor PCB are greater than 10M YES The module PCB is damaged replace it with a new one The motor of the outdoor unit is...

Page 37: ...ecision Conditions Method of Malfunction Detection Trouble shooting Electrify the machine again and turn it on with the remote control If malfunctions are reported before or upon the compressor being...

Page 38: ...s damage may be occurred Malfunction Decision Conditions Method of Malfunction Detection Trouble shooting Supposed Causes The system may have been over or under charged with gas which can be judged th...

Page 39: ...hod of Malfunction Detection Trouble shooting Supposed Causes Malfunction Decision Conditions Are they good Pull out and reinsert the terminals Replace connected wire Replace the outdoor PCB with a ne...

Page 40: ...h before connect or disconnect connector or else parts damage may be occurred Supposed Causes Malfunction Decision Conditions Method of Malfunction Detection Trouble shooting Is it ok Test the outdoor...

Page 41: ...sion Conditions Method of Malfunction Detection The temperature exceeds 110 shortly after the machine starts up The cryogen may have been leaked during installation or there may be leakage in the pipi...

Page 42: ...is broken Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Supposed Causes Malfunction Decision Conditions Method of Malfunction De...

Page 43: ...hen only indoor charged The indoor PCB is damaged replace it with a new one Test the outdoor power is supply 230VAC with a universal meter when indoor and outdoor are charged Check the cable between o...

Page 44: ...an motor terminal resistance between pin 1 310V and pin 4 0V or pin 5 15V and pin 4 0V of CN21 are close to 0m with a universal meter after switch off the power NO Remove the connection cable between...

Page 45: ...ower switch before connect or disconnect connector or else parts damage may be occurred The outdoor PCB needs dehumidification Is it normal after restart the AC If starting up normally but malfunction...

Page 46: ...hite line is not close to18V DC when only indoor charged YES The indoor PCB is damaged replace it with a new one NO Test the outdoor power is supply 230VAC with a universal meter when indoor and outdo...

Page 47: ...tart the unit the LED 2 becomes light or flash Fan motor is damaged Replace it with a new one YES NO Test the fan motor terminal resistance between pin 1 310V and pin 4 0V or pin5 15V and pin4 0V of C...

Page 48: ...onnector or parts damage may be occurred Conditions Decision Malfunction Method of Malfunction Detection Trouble shooting Malfunction unsolved Maybe there is some disturbance Malfunctions exist also t...

Page 49: ...e to turn off power switch before connect or disconnect connector or parts damage may be occurred Trouble shooting Supposed Causes Malfunction Decision Conditions Method of Malfunction Detection The m...

Page 50: ...Circuit diagrams 49 Domestic air conditioner 11 Circuit Diagrams...

Page 51: ...Circuit diagrams 50 Domestic air conditioner...

Page 52: ...Removal Procedure 51 Domestic Air Conditioner Removal of front panel front panel Remove the foam cushion 2 Loosen the screw 12 Removal Procedure...

Page 53: ...Removal Procedure 52 Domestic Air Conditioner Lift up the control box cover 3 Loosen the screw 4 Lift up the control box cover 5...

Page 54: ...n release the pivots on both sides of the unit to remove the front panel Removal of front panel Removal Procedure 53 Domestic Air Conditioner Pull the wires out of the control box 6 Remove the air fil...

Page 55: ...three 6 Removal Procedure 54 Domestic Air Conditioner Remove the casing 1 2 3...

Page 56: ...horizontal flap flap Removal Procedure 55 Domestic Air Conditioner and the stepper motor Loosen the screws and remove the stepper motor...

Page 57: ...2 Every blade go round and round then move it Removal Procedure 56 Domestic Air Conditioner horizontal louver and control box Loosen the screws...

Page 58: ...3 57 Domestic Air Conditioner Removal Procedure Loosen the hook and the service Cover Lift up the exchanger and remove it...

Page 59: ...Removal Procedure 58 Domestic Air Conditioner motor cover motor cover...

Page 60: ...Removal Procedure 59 Domestic Air Conditioner...

Page 61: ...nditioner Electric Co Ltd Haier lndustrial Park Qianwangang Road Eco Tech Development Zone Qingdao 266555 Shandong R P C 86 532 88936943 haier com Haier zastrzega sobie prawo do wprowadzania zmian bez...

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