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Haier Group HSU-26HEK03/R2(DB)/O, Service Manual

The Haier Group HSU-26HEK03/R2(DB)/O is a high-performance air conditioner designed to deliver optimum cooling and comfort. To assist you in operating and maintaining this appliance, a comprehensive Service Manual is available for free download at manualshive.com. This manual ensures easy access to the necessary information for hassle-free usage and maintenance.

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    Circuit diagrams

                                                                                                                         

                       

Domestic air conditioner

12.2 Module board Circuit Diagram

88

 

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10 11 12 13 14 15 16 17 18 19 20

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Summary of Contents for HSU-26HEK03/R2(DB)/O

Page 1: ...ng 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 copying and distribution...

Page 2: ...ns 7 3 Sensors list 8 4 Piping diagrams 9 5 Operation range 10 6 Printed Circuit Board Connector Wiring Diagram 11 7 Functions and Control 8 Dimensional drawings 9 Conter of gravity 10 Service Diagnosis 11 Performance and cerves diagrams 12 Circuit diagrams 15 52 40 30 30 84 ...

Page 3: ... Unit H S U 2 6 H E K 0 3 R2 D B O Normal cooling capacity 2600W Heat pump Series for panel Power supply type Refrigerant DC inverter Outdoor Haier Split Unit H S U 3 5 H E K 0 3 R2 D B O Normal cooling capacity 3500W Heat pump Series for panel Power supply type Refrigerant DC inverter Outdoor ...

Page 4: ... 3 R2 D B O Normal cooling capacity 5300W Heat pump Series for panel Power supply type Refrigerant DC inverter Outdoor Haier Split Unit H S U 7 1 H E K 0 3 R2 D B O Normal cooling capacity 7100W Heat pump Series for panel Power supply type Refrigerant DC inverter Outdoor 2 ...

Page 5: ...cket 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 refri...

Page 6: ...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 the e...

Page 7: ...ified 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 cooling system an excessively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to loc...

Page 8: ...an electrical shock or fire If the power cable and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires can cause an electrical shock excessive heat generation or fire Warning Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire...

Page 9: ... 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 information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution Caution A caution is used when there is danger that the reader through incorrect manipulati...

Page 10: ...und level 66 B d e r u s s e r p d n u o S B A d r e w o p d n u o S ELECTRICAL SPECIFICATIONS g n i t a e h g n i l o o c 4 4 8 3 A t n e r r u c g n i n n u r l a n i m o N Maximum running current A 6 1 6 1 0 1 0 1 A t n e r r u c g n i t r a t S TECHNICAL SPECIFICATIONS PARTS g n i t a e h g n i l o o c Compressor r o s s e r p m o C y r a t o R e p y T l e d o M 700 W t u p t u o r o t o M Oil...

Page 11: ...uid mm Φ6 35 gas mm Φ9 52 drain mm Φ16 Heat insulation type Both liquid and Gas pipes Max piping Length m 15 Max Level Difference m 10 Chargeless m 7 Amount of Additional Charge of Refrigerant g m 20 Note the data are based on the conditions shown in the table below h t g n e l g n i p i P g n i t a e h g n i l o o c Indoor 27 DB 19 WB ć ć Outdoor 35 DB 24 WB ć ć Indoor 20 DB ć Outdoor 7 DB 6 WB ć...

Page 12: ... level 68 B d e r u s s e r p d n u o S B A d r e w o p d n u o S ELECTRICAL SPECIFICATIONS g n i t a e h g n i l o o c 3 4 1 4 A t n e r r u c g n i n n u r l a n i m o N Maximum running current A 6 0 6 0 0 1 0 1 A t n e r r u c g n i t r a t S TECHNICAL SPECIFICATIONS PARTS g n i t a e h g n i l o o c Compressor r o s s e r p m o C y r a t o R e p y T l e d o M 700 W t u p t u o r o t o M Oil ty...

Page 13: ...uid mm Φ6 35 gas mm Φ9 52 drain mm Φ16 Heat insulation type Both liquid and Gas pipes Max piping Length m 15 Max Level Difference m 10 Chargeless m 7 Amount of Additional Charge of Refrigerant g m 20 Note the data are based on the conditions shown in the table below h t g n e l g n i p i P g n i t a e h g n i l o o c Indoor 27 DB 19 WB ć ć Outdoor 35 DB 24 WB ć ć Indoor 20 DB ć Outdoor 7 DB 6 WB ć...

Page 14: ... level 70 B d e r u s s e r p d n u o S B A d r e w o p d n u o S ELECTRICAL SPECIFICATIONS g n i t a e h g n i l o o c 2 6 5 6 A t n e r r u c g n i n n u r l a n i m o N Maximum running current A 8 8 10 5 0 1 0 1 A t n e r r u c g n i t r a t S TECHNICAL SPECIFICATIONS PARTS g n i t a e h g n i l o o c Compressor r o s s e r p m o C y r a t o R e p y T l e d o M 700 W t u p t u o r o t o M Oil t...

Page 15: ...id mm Φ6 35 gas mm Φ12 7 drain mm Φ16 Heat insulation type Both liquid and Gas pipes Max piping Length m 25 Max Level Difference m 15 Chargeless m 10 Amount of Additional Charge of Refrigerant g m 20 Note the data are based on the conditions shown in the table below h t g n e l g n i p i P g n i t a e h g n i l o o c Indoor 27 DB 19 WB ć ć Outdoor 35 DB 24 WB ć ć Indoor 20 DB ć Outdoor 7 DB 6 WB ć...

Page 16: ... level B d e r u s s e r p d n u o S B A d r e w o p d n u o S ELECTRICAL SPECIFICATIONS g n i t a e h g n i l o o c 2 10 7 9 A t n e r r u c g n i n n u r l a n i m o N Maximum running current A 13 3 13 8 0 1 0 1 A t n e r r u c g n i t r a t S TECHNICAL SPECIFICATIONS PARTS g n i t a e h g n i l o o c Compressor r o s s e r p m o C y r a t o R e p y T l e d o M 700 W t u p t u o r o t o M Oil ty...

Page 17: ...e data are based on the conditions shown in the table below h t g n e l g n i p i P g n i t a e h g n i l o o c Indoor 27 DB 19 WB ć ć Outdoor 35 DB 24 WB ć ć Indoor 20 DB ć Outdoor 7 DB 6 WB ć ć 5m 3ˊSensors list type Description Qty Ambient sensor Its used for detecti 1 e d i s r o o d t u o f o e r u t a r e p m e t g n Suction sensor Its used for detecting suction pipe temperature of compresso...

Page 18: ...Pinping diagrams Domestic air conditioner 4 Pinping diagrams 16 ...

Page 19: ...Operation range Domestic air conditioner 5 Operation range 10 0 20 16 32 10 20 15 17 ...

Page 20: ...nnector for power N and L 2 CN2 3 CN3 Connector for ground 4 CN23 Connector for DC POWER 15V and 5V to the module board 5 CN9 Connector for CN2 CN1 on the module board 6 CN10 7 CN22 Connector for fan motor 8 CN11 Connector for four way valve coil 9 CN17 Connector for thermistors 10 CN47 11 CN24 Connector for communicate between the control board and the module board 12 CN26 Connector to P and N of...

Page 21: ... 2 CN2 3 CN3 Connector for ground 4 CN23 Connector for DC POWER 15V and 5V to the module board 5 CN9 Connector for CN2 CN1 on the module board 6 CN10 7 CN22 Connector for fan motor 8 CN11 Connector for four way valve coil 9 CN17 Connector for thermistors 10 CN47 11 CN24 Connector for communicate between the control board and the module board 12 CN26 Connector to P and N of the module board 13 CN25...

Page 22: ...ctor for capacitance board LI CN7 LO CN6 Connector for reactor CN2 CN3 CN4 Connector for the U V W wire of the compressor PCB 4 Module PCB for HSU 53 71HEK03 R2 DB CN10 Connector for the DC power 5V and 15V form the control PCB CN11 Connector for communicate between the control board and the module board P CN8 N CN9 Connector for capacitance board LI CN3 LO CN4 Connector for reactor CN5 CN6 CN7 Co...

Page 23: ...Connector Wiring Diagram Domestic Air Conditioner PCB 1 CN1 CN2 CN36 CN24 CN10 CN9 CN22 CN11 CN17 CN50 CN47 CN23 CN25 CN28 CN3 CN15 CN7 CN6 CN45 21 ...

Page 24: ...Connector Wiring Diagram Domestic Air Conditioner PCB 2 CN2 CN3 CN4 CN5 CN6 CN7 CN11 CN10 CN1 CN8 CN9 22 ...

Page 25: ...32 5 1 20 20 1 5 1 1 1 86 7 9 1 1 02 8 20 02 8 32 5 72 1 225 81 7 1 1 25 1 1 1 1 1 1 1 1 1 5 725 5 8 6 9 5 1 287 225 3 028 3 75 3 16 21 1 8 9 3 1 1 1 1 3 1 1 3 0 9 9 02725 02725 3 3 2035 6625 1 1 1 287 287 3 3 1 1 1 7 7 03 6 1625 203 5267 7 03 6 1625 6 1 0 17 7 03 6 1625 1 68 7 21 7 03 6 1625 4 1 7 03 6 1625 a HSU 53 71HEK03 R2 DB O ...

Page 26: ...uency for protection should be prior to the calculated frequency The speed of increasing or decreasing the frequency rapidly 1 1HZ second The speed of increasing or decreasing the frequency slowly 2 1HZ 10seconds 1 ǃThe minimum maximum frequency limitation AˊWhile refrigerating ˢˉ ˉ is the maximum operation frequency of the compressor ˢˉ INˉ is the minimum operation frequency of the compressor BˊW...

Page 27: ... the number of running machines The calculation of the actual output frequency when there is no healthy airflow F F ED hPhK When the healthy airflow has been set F F ED hPhK airflow speed hK healthy airflow When refrigerating it is needed to satisfy ˢˉ INˉ F ˢˉ ˉ When heating it is needed to satisfy ˢˉ INˉr F ˢˉ ˉr 7 1 2 The outdoor fan control exchange fan When the fan is changed among every airf...

Page 28: ...y valve control see the defrosting process Four way working in other ways Under the mode of heating open the four way valve when the compressor is not started or changed to non heating mode make sure the compressor is stoped for 2 minutes and then close the four way valve Domestic air conditioner During the compressor is started for 3 seconds the outdoor fan is controlled the airflow speed accordi...

Page 29: ...tion of air blowing alarm malfunction to the indoor others don t last 7 1 5 2 TC high temperature preventing control of the indoor heating unit Tpg_indoor is the highest value of the effective indoor unit start it and it is in accord with the running state The indoor heat exchanger sensor tests the temperature of the indoor heat exchanger If the temperature is higher than 48ć decrease the rotate s...

Page 30: ...ses at the speed of 1HZ second During the starting process of the compressor if the AC current is greater than 11A the frequency of the compressor decreases at the speed of 0 1HZ second During the starting process of the compressor if the AC current is greater than 10A the frequency of the compressor increases at the prohibited speed During the starting process of the compressor if the AC current ...

Page 31: ...te appliance s malfunctions Annex 2 If there s malfunction with the outdoor unit the light of the outdoor unit will flash and its frequency is 1HZ the number of times is according to the table when a round of flashing is finished the light shoud be off for 5 seconds b ǃFor the units malfunctins Annex 1 If there s malfunction with the units this will not affect the run of the complete appliance but...

Page 32: ... E9 21 High work intense protection 24 Overcurrent of the compressor 25 Overcurrent protection for single phase of the compressor 36 The socket protect 7 2 Value of Thermistor Domestic air conditioner 7 2 1 Outdoor Unit Ambient Sensor Defrosting Sensor Pipe sensor R25ć 10K f3 B25ć 50ć 3700Kf3 Temp ć Max KΩ Normal KΩ Min KΩ Tolerance ć 30 165 2170 147 9497 132 3678 1 94 1 75 29 155 5754 139 5600 12...

Page 33: ...9 6112 1 49 1 40 6 43 5912 40 5800 37 7429 1 47 1 39 5 41 4249 38 6207 35 9739 1 45 1 37 4 39 3792 36 7676 34 2983 1 43 1 35 3 37 4465 35 0144 32 7108 1 41 1 33 2 35 6202 33 3552 31 2062 1 38 1 31 1 33 8936 31 7844 29 7796 1 36 1 29 0 32 2608 30 2968 28 4267 1 34 1 28 1 30 7162 28 8875 27 1431 1 32 1 26 2 29 2545 27 5519 25 9250 1 29 1 24 3 27 8708 26 2858 24 7686 1 27 1 22 4 26 5605 25 0851 23 67...

Page 34: ... 9687 5 7007 1 21 1 18 39 6 0170 5 7454 5 4812 1 25 1 22 40 5 7997 5 5316 5 2712 1 29 1 25 41 5 5914 5 3269 5 0704 1 33 1 29 42 5 3916 5 1308 4 8783 1 37 1 33 43 5 2001 4 9430 4 6944 1 41 1 36 44 5 0163 4 7630 4 5185 1 45 1 40 45 4 8400 4 5905 4 3500 1 49 1 44 46 4 6708 4 4252 4 1887 1 53 1 47 47 4 5083 4 2666 4 0342 1 57 1 51 48 4 3524 4 1145 3 8862 1 61 1 55 49 4 2026 3 9686 3 7443 1 65 1 59 50 ...

Page 35: ... 22 2 97 84 1 3730 1 2525 1 1415 3 27 3 01 85 1 3335 1 2153 1 1066 3 32 3 06 86 1 2953 1 1794 1 0730 3 38 3 10 87 1 2583 1 1448 1 0405 3 43 3 15 88 1 2226 1 1113 1 0092 3 48 3 19 89 1 1880 1 0789 0 9789 3 53 3 24 90 1 1546 1 0476 0 9497 3 58 3 28 91 1 1223 1 0174 0 9215 3 64 3 33 92 1 0910 0 9882 0 8942 3 69 3 37 93 1 0607 0 9599 0 8679 3 74 3 42 94 1 0314 0 9326 0 8424 3 80 3 46 95 1 0030 0 9061 ...

Page 36: ...6 7474 2 90 2 42 24 9687 0270 8074 3787 6724 1389 2 88 2 41 23 9057 2314 7564 2244 6311 6413 2 87 2 41 22 8472 2852 7089 4741 5927 0206 2 86 2 40 21 7928 7217 6647 4547 5568 2222 2 84 2 39 20 7423 3626 6235 7109 5233 3554 2 83 2 39 19 6953 2930 5851 9864 4920 6791 2 82 2 38 18 6515 8375 5494 2064 4628 5894 2 80 2 37 17 6108 5393 5160 4621 4355 6078 2 79 2 37 16 5729 1413 4848 9963 4100 3708 2 77 2...

Page 37: ...65 2 24 2 02 18 807 3024 723 4134 647 6580 2 22 2 00 19 766 4212 687 8205 616 7252 2 20 1 99 20 727 8172 654 1596 587 4271 2 18 1 98 21 691 3524 622 3161 559 6694 2 16 1 96 22 656 8979 592 1831 533 3634 2 14 1 95 23 624 3328 563 6604 508 4261 2 12 1 93 24 593 5446 536 6540 484 7796 2 10 1 92 25 564 4275 511 0760 462 3510 2 09 1 90 26 536 9865 486 9352 441 1516 2 07 1 89 27 511 0105 464 0500 421 02...

Page 38: ...04 8443 99 7046 94 7315 1 28 1 23 63 100 6112 95 7939 91 1253 1 25 1 21 64 96 5692 92 0553 87 6735 1 23 1 19 65 92 7088 88 4805 84 3690 1 20 1 17 66 89 0211 85 0614 81 2048 1 18 1 15 67 85 4976 81 7908 78 1744 1 15 1 12 68 82 1303 78 6615 75 2715 1 13 1 10 69 78 9116 75 6668 72 4902 1 10 1 08 70 75 8343 72 8004 69 8249 1 08 1 06 71 72 8916 70 0561 67 2703 1 05 1 03 72 70 0770 67 4283 64 8213 1 03 ...

Page 39: ...7 108 20 3091 19 1582 18 0563 1 89 1 81 109 19 6899 18 5564 17 4723 1 93 1 85 110 19 0924 17 9761 16 9098 1 98 1 89 111 18 5157 17 4166 16 3680 2 02 1 93 112 17 9590 16 8769 15 8458 2 06 1 96 113 17 4214 16 3564 15 3427 2 10 2 00 114 16 9023 15 8542 14 8577 2 15 2 04 115 16 4010 15 3696 14 3902 2 19 2 08 116 15 9167 14 9020 13 9394 2 23 2 12 117 15 4489 14 4506 13 5047 2 27 2 16 118 14 9968 14 014...

Page 40: ...901 8 7441 8 0495 3 05 2 84 135 9 2322 8 4993 7 8175 3 09 2 88 136 8 9824 8 2623 7 5931 3 14 2 92 137 8 7404 8 0329 7 3760 3 19 2 96 138 8 5059 7 8108 7 1660 3 24 3 00 139 8 2787 7 5958 6 9629 3 29 3 04 140 8 0584 7 3875 6 7664 3 33 3 09 Domestic air conditioner 38 ...

Page 41: ...Dimensinal drawings Domestic air conditioner 8 Dimensional drawings HSU 26HEK03 R2 DB O 9 Center of gravity 39 720 780 540 245 245 720 12 7 3 4 unit mm unit mm 780 520 540 294 4 213 3 245 112 9 ...

Page 42: ...Dimensinal drawings Domestic air conditioner 8 Dimensional drawings HSU 35HEK03 R2 DB O 9 Center of gravity 40 720 780 640 245 290 720 12 7 3 4 unit mm unit mm 780 620 640 294 4 213 3 245 112 9 ...

Page 43: ...Dimensinal drawings Domestic air conditioner 8 Dimensional drawings HSU 53HEK03 R2 DB O 9 Center of gravity 41 750 810 688 288 288 750 12 7 3 4 unit mm unit mm 810 668 688 294 4 213 3 288 112 9 ...

Page 44: ...Dimensinal drawings Domestic air conditioner 8 Dimensional drawings HSU 71HEK03 R2 DB O 9 Center of gravity 42 800 860 730 308 308 800 12 7 3 4 unit mm unit mm 860 710 730 294 4 213 3 308 112 9 ...

Page 45: ...ors is detected 1 When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions disabling equipment operation 2 When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages 10 2 Parameter of primary electronic appliance ...

Page 46: ...ssure and operating current Check for insufficient gas Large operating noise and vibrations Check the installation condition Check to make sure that the required spaces for installation specified in the Technical Guide etc are provided 10 4 Error Codes and Description indoor display Code indication fault description Reference Page Indoor displaying panel code indication Outdoor LED1 flash times In...

Page 47: ...rature sensor failure Page 46 F6 12 Ambient temperature sensor failure Page 46 F25 13 Discharge temperature sensor failure Page 46 F11 18 deviate from the normal for the compressor Page 58 F28 19 Loop of the station detect error Page 58 F2 24 Overcurrent of the compressor Page 52 F23 25 Overcurrent protection for single phase of the compressor Page 52 45 Page 49 ...

Page 48: ...thermistor using tester The relationship between normal temperature and resistance is shown in the value of indoor thermistor 10 4 2 EEPROM abnormal Thermistor resistance check Yes NO Yes Check the connector connection whether if it loose or misplug Re connect NO Replace the thermistor Replace the indoor PCB Is the resistance is conformity with normal temperature Method of malfunction tection Malf...

Page 49: ...n Malfunction detection conditions Supposed causes Troubleshooting 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 power switch before connect or disconnect connector or parts damage may be occurred Replace the indoor or outdoor mainboard 47 ...

Page 50: ...nal CN2 on the indoor PCB 12 the indoor pcb is damaged and need replace Pull out the terminals on the indoor mainboard and reinsert them 1R HV Is it ok HV Method of malfunction detection Malfunction detection conditions Troubleshooting The fan speed detected by the Hall IC during fan motor running which is used to determine the fan motor operating When there is no fan speed feedback signal within ...

Page 51: ...etected by checking the fan running condition and so on when the data of EEPROM is error or the EEPROM is damaged DC fan motor protection dues to the DC fan motor faulty DC fan motor protection dues to faulty PCB Supposed causes Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred LED1 flash 9 times Outdoor diplay 49 ...

Page 52: ...run Yes Measure the voltage between 3 and 6 of the terminal about 0 5v Is it normal NO The motor of the outdoor unit is damaged and needs replacing Measure the voltage between 1 and 3 of the terminal of fan motor on the mainboard about DC310V Measure the voltage between 3 and 4 of the terminal about DC15V Measure the voltage between 5 and 3 of the terminal about 1 6v NO Is it normal The mainboard ...

Page 53: ...lfunctions are reported after it has run for some time Malfunction unsolved Method of malfunction detection Malfunction detection conditions Troubleshooting IPM protection is detected by checking the compressor running condition and so on The system leads to IPM protection due to over current The compressor faulty leads to IPM protection circuit component of IPM is broken and led to IPM protection...

Page 54: ...ES NO Yes NO The compressor is started normally but malfunctions are reported after it has run for some time Check the power supply is too low or too high NO Method of malfunction detection Malfunction detection conditions Troubleshooting he current of the compressor is too high when the IPM Module is damaged or the compressor is damaged power supply voltage is too low or too high Supposed causes ...

Page 55: ...ainboard with a new one Replace the outdoor IPM module with a new one YES NO NO YES Malfunction unsolved 1 Pull out and reinsert the terminals 2 Replace connected wire Method of malfunction detection Malfunction detection conditions Troubleshooting Communication is detected by checking the IPM module and the outdoor PCB The outdoor PCB broken leads to communication fault The IPM module broken lead...

Page 56: ...er supply 310VDC with a multimeter check whether the power is 150 V or 390V Method of malfunction detection Malfunction detection conditions Troubleshooting An abnormal voltage rise or fall is detected by checking the specified voltage detection An voltage signal is fed from the voltage detection circuit to the microcomputer Supply voltage not as specified The IPM module is broken The outdoor PCB ...

Page 57: ...ature is below 110ć Pull out the exhaust sensor and measure its resistance at standard temperatures according to the resistance temperature table the results deviate much The sensor is damaged Replace the sensor with a new one The outdoor mainboard is damaged and needs be replaced YES NO NO YES Method of malfunction detection Malfunction detection conditions Troubleshooting The Discharge temperatu...

Page 58: ... dedust 1 Reconnect the linking cable 2 Replace the linking cable with new one Method of malfunction detection Malfunction detection conditions Troubleshooting Communication is detected by checking the indoor PCB and the outdoor PCB The outdoor PCB broken leads to communication fault The indoor PCB broken leads to communication fault Communication wiring disconnected The indoor PCB is broken The o...

Page 59: ...door unit with a multimeter If 230VAC is available but 310DC not the power module is damaged replace it with a new one Test the outdoor power supply 230VAC and 310VDC with a multimeter The outdoor mainboard is damaged replace it with a new one The indoor mainboard is damaged replace it with a new one If the value varies between 0 and 80 VAC the outdoor mainboard is damaged replace it with a new on...

Page 60: ...times IPM Module is damaged and needs replacing the Malfunctions exist also the compressor is damaged replace a new one YES NO YES Malfunction unsolved Maybe there is some disturbance Method of malfunction detection Malfunction detection conditions Troubleshooting The position of the compressor rotor can not detected normally when the wiring of compressor is wrong or the connection is poor or the ...

Page 61: ...rs 2 Reinstall the fan Use some tools to measure the pressure of systemˈ YES NO YES NO Method of malfunction detection Malfunction detection conditions Troubleshooting High work intense control is activated in the heating mode if the temperature being sensed by the heat exchanger thermistor exceeds the limit Activated when the temperature being sensed by the heat exchanger rises above 65ć twice in...

Page 62: ...54 2215 24 16ć 2263 2327 2287 2229 2125 2560 2818 2744 2701 2477 27 19ć 2392 2444 2392 2340 2210 2730 2990 2912 2808 2626 30 22ć 2561 2613 2567 2457 2340 2923 3161 3042 3019 2782 32 23ć 2659 2732 2616 2540 2392 3033 3271 3227 3055 2851 cooling value temerature table HSU 26HEK03 R2 DB performance curves 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 3500 cooling capacity W cooling capacity and i...

Page 63: ...1 809 24 16ć 684 704 688 672 317 460 578 690 815 889 27 19ć 704 719 704 688 329 464 593 707 836 893 30 22ć 716 737 725 700 353 488 620 764 890 962 32 23ć 732 740 742 707 357 513 663 806 920 998 power consumption value temp table HSU 26HEK03 R2 DB performance curves 100 200 300 400 500 600 700 800 900 1000 1100 power consumption w indoor tempe DB WB power consumption temp curves ˉ15ć ˉ10ć 0ć 10ć 20...

Page 64: ...2448 2238 2064 7 8ć 3008 2727 2535 2 1ć 3317 2996 2717 7 6ć 3130 2890 2460 12 11ć 2802 2581 2250 18 16ć 2292 2161 1895 24 20ć 1839 1653 1474 indoor temp humidity 46 heating capacity and indoor outdoor temp table HSU 26HEK03 R2 DB performance curves 0 500 1000 1500 2000 2500 3000 3500 heating capacity W heating capacity and indoor outdoor temp curves 15 ć 20 ć 25 ć 57 ...

Page 65: ...5 7 8ć 880 978 1075 2 1ć 856 951 1046 7 6ć 680 756 831 12 11ć 469 521 574 18 16ć 360 400 440 24 20ć 254 283 311 indoor temp humidity 46 power consumption value temp table HSU 26HEK03 R2 DB performance curves 0 200 400 600 800 1000 1200 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć 18 16ć 24 20ć cooling capacity w outdoor tempe DB WB heating capacity and indoor outdoor temp curves 15ć 20ć 25ć ...

Page 66: ...8 2288 10ć 2135 2196 2308 20ć 2190 2282 2397 25ć 2406 2538 2632 30ć 2639 2738 2879 35ć 2717 2852 2962 40ć 3193 3280 3398 46ć 3617 3708 3834 HSU 26HEK03 R2 DB performance curves cooling discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 15ć 10ć 0ć 10ć 20ć 25ć 30ć 35ć 40ć 46ć DISCHARGE PRESSURE Outdoor Temp COOLING DISCHARGE PRESSURE 21 15 ć 27 19 ć 32 23 ć ...

Page 67: ... 717 814 945 10ć 724 856 955 20ć 732 865 1005 25ć 770 874 1015 30ć 778 883 1026 35ć 819 910 1047 40ć 901 1001 1151 46ć 991 1131 1324 HSU 26HEK03 R2 DB performance curves cooling suction pressure table indoor temp 350 550 750 950 1150 1350 1550 15ć 10ć 0ć 10ć 20ć 25ć 30ć 35ć 40ć 46ć SUCTION PRESSURE Outdoor Temp COOLING SUCTION PRESSURE 21 15 ć 27 19 ć 32 23 ć ...

Page 68: ... 2663 2772 7 8ć 2890 3048 3136 2 1ć 3159 3304 3446 7 6ć 3006 3208 3309 12 11ć 2988 3112 3232 18 16ć 2738 2925 2996 24 20ć 2378 2486 2557 HSU 26HEK03 R2 DB performance curves Heating discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 25ć 20ć 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć18 16ć24 20ć DISCHARGE PRESSURE Outdoor Temp HEATING DISCHARGE PRESSURE 15ć 20ć 25ć ...

Page 69: ...8ć 509 545 563 2 1ć 628 664 682 7 6ć 761 797 815 12 11ć 866 902 920 18 16ć 1033 1069 1087 24 20ć 1219 1255 1273 HSU 26HEK03 R2 DB performance curves heating discharge pressure table indoor temp 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 25ć 20ć 15ć 10ć 7 8ć2 1ć 7 6ć12 11ć 18 16ć 24 20ć SUCTION PRESSURE Outdoor Temp Heating suction pressure 15ć 20ć 25ć ...

Page 70: ...3371 3361 3264 3020 24 16ć 3024 3089 3031 2962 2821 3502 3825 3720 3600 3330 27 19ć 3220 3290 3220 3150 2975 3675 4025 3920 3780 3535 30 22ć 3407 3500 3460 3345 3184 3892 4325 4221 3943 3723 32 23ć 3483 3582 3491 3511 3238 4017 4403 4313 4206 3842 cooling value temerature table HSU 35HEK03 R2 DB performance curves 2000 2500 3000 3500 4000 4500 cooling capacity W cooling capacity and indoor outdoor...

Page 71: ... 1073 1129 24 16ć 916 936 918 897 453 643 813 982 1148 1230 27 19ć 947 968 947 926 465 656 839 1000 1181 1263 30 22ć 973 1000 988 956 497 695 901 1111 1232 1330 32 23ć 968 995 970 975 506 717 917 1135 1315 1372 power consumption value temp table HSU 35HEK03 R2 DB performance curves 100 300 500 700 900 1100 1300 1500 power consumption w indoor tempe DB WB power consumption temp curves ˉ15ć ˉ10ć 0ć ...

Page 72: ...3197 2949 7 8ć 4297 3896 3621 2 1ć 4739 4279 3881 7 6ć 4471 4129 3514 12 11ć 4002 3687 3214 18 16ć 3275 3088 2707 24 20ć 2627 2361 2106 indoor temp humidity 46 heating capacity and indoor outdoor temp table HSU 35HEK03 R2 DB performance curves 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 heating capacity W Heating capactiy and indoor outdoor temp curves 15 ć 20 ć 25 ć ...

Page 73: ... 1257 1396 1536 2 1ć 1223 1359 1494 7 6ć 971 1079 1187 12 11ć 670 745 819 18 16ć 515 572 629 24 20ć 363 404 444 indoor temp humidity 46 power consumption value temp table HSU 35HEK03 R2 DB performance curves 0 200 400 600 800 1000 1200 1400 1600 1800 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć 18 16ć 24 20ć cooling capacity w outdoor tempe DB WB heating capacity and indoor outdoor temp curves 15ć 20ć 25ć ...

Page 74: ...8 2255 10ć 2115 2196 2318 20ć 2161 2282 2398 25ć 2422 2538 2679 30ć 2639 2738 2877 35ć 2705 2852 3030 40ć 3133 3280 3401 46ć 3522 3708 3933 HSU 35HEK03 R2 DB performance curves cooling discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 15ć 10ć 0ć 10ć 20ć 25ć 30ć 35ć 40ć 46ć DISCHARGE PRESSURE Outdoor Temp COOLING DISCHARGE PRESSURE 21 15 ć 27 19 ć 32 23 ć ...

Page 75: ... 2663 2769 7 8ć 2925 3048 3172 2 1ć 3132 3304 3442 7 6ć 3072 3208 3344 12 11ć 2976 3112 3274 18 16ć 2741 2925 2992 24 20ć 2354 2486 2577 HSU 35HEK03 R2 DB performance curves Heating discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 25ć 20ć 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć18 16ć24 20ć DISCHARGE PRESSURE Outdoor Temp HEATING DISCHARGE PRESSURE 15ć 20ć 25ć ...

Page 76: ... 2663 2769 7 8ć 2925 3048 3172 2 1ć 3132 3304 3442 7 6ć 3072 3208 3344 12 11ć 2976 3112 3274 18 16ć 2741 2925 2992 24 20ć 2354 2486 2577 HSU 35HEK03 R2 DB performance curves Heating discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 25ć 20ć 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć18 16ć24 20ć DISCHARGE PRESSURE Outdoor Temp HEATING DISCHARGE PRESSURE 15ć 20ć 25ć ...

Page 77: ...1 809 24 16ć 684 704 688 672 317 460 578 690 815 889 27 19ć 704 719 704 688 329 464 593 707 836 893 30 22ć 716 737 725 700 353 488 620 764 890 962 32 23ć 732 740 742 707 357 513 663 806 920 998 power consumption value temp table HSU 53HEK03 R2 DB performance curves 100 200 300 400 500 600 700 800 900 1000 1100 power consumption w indoor tempe DB WB power consumption temp curves ˉ15ć ˉ10ć 0ć 10ć 20...

Page 78: ...1 809 24 16ć 684 704 688 672 317 460 578 690 815 889 27 19ć 704 719 704 688 329 464 593 707 836 893 30 22ć 716 737 725 700 353 488 620 764 890 962 32 23ć 732 740 742 707 357 513 663 806 920 998 power consumption value temp table HSU 53HEK03 R2 DB performance curves 100 200 300 400 500 600 700 800 900 1000 1100 power consumption w indoor tempe DB WB power consumption temp curves ˉ15ć ˉ10ć 0ć 10ć 20...

Page 79: ...1 809 24 16ć 684 704 688 672 317 460 578 690 815 889 27 19ć 704 719 704 688 329 464 593 707 836 893 30 22ć 716 737 725 700 353 488 620 764 890 962 32 23ć 732 740 742 707 357 513 663 806 920 998 power consumption value temp table HSU 53HEK03 R2 DB performance curves 100 200 300 400 500 600 700 800 900 1000 1100 power consumption w indoor tempe DB WB power consumption temp curves ˉ15ć ˉ10ć 0ć 10ć 20...

Page 80: ...10ć 2448 2238 2064 7 8ć 3008 2727 2535 2 1ć 3317 2996 2717 7 6ć 3130 2890 2460 12 11ć 2802 2581 2250 18 16ć 2292 2161 1895 24 20ć 1839 1653 1474 indoor temp humidity 46 heating capacity and indoor outdoor temp table HSU 53HEK03 R2 DB performance curves 0 500 1000 1500 2000 2500 3000 3500 heating capacity W heating capacity and indoor outdoor temp curves ć ć ć 73 ...

Page 81: ...5 7 8ć 880 978 1075 2 1ć 856 951 1046 7 6ć 680 756 831 12 11ć 469 521 574 18 16ć 360 400 440 24 20ć 254 283 311 indoor temp humidity 46 power consumption value temp table HSU 53HEK03 R2 DB performance curves 0 200 400 600 800 1000 1200 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć 18 16ć 24 20ć cooling capacity w outdoor tempe DB WB heating capacity and indoor outdoor temp curves 15ć 20ć 25ć ...

Page 82: ...8 2288 10ć 2135 2196 2308 20ć 2190 2282 2397 25ć 2406 2538 2632 30ć 2639 2738 2879 35ć 2717 2852 2962 40ć 3193 3280 3398 46ć 3617 3708 3834 HSU 53HEK03 R2 DB performance curves cooling discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 15ć 10ć 0ć 10ć 20ć 25ć 30ć 35ć 40ć 46ć DISCHARGE PRESSURE Outdoor Temp COOLING DISCHARGE PRESSURE 21 15 ć 27 19 ć 32 23 ć ...

Page 83: ... 717 814 945 10ć 724 856 955 20ć 732 865 1005 25ć 770 874 1015 30ć 778 883 1026 35ć 819 910 1047 40ć 901 1001 1151 46ć 991 1131 1324 HSU 53HEK03 R2 DB performance curves cooling suction pressure table indoor temp 350 550 750 950 1150 1350 1550 15ć 10ć 0ć 10ć 20ć 25ć 30ć 35ć 40ć 46ć SUCTION PRESSURE Outdoor Temp COOLING SUCTION PRESSURE 21 15 ć 27 19 ć 32 23 ć ...

Page 84: ... 2663 2772 7 8ć 2890 3048 3136 2 1ć 3159 3304 3446 7 6ć 3006 3208 3309 12 11ć 2988 3112 3232 18 16ć 2738 2925 2996 24 20ć 2378 2486 2557 HSU 53HEK03 R2 DB performance curves Heating discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 25ć 20ć 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć18 16ć24 20ć DISCHARGE PRESSURE Outdoor Temp HEATING DISCHARGE PRESSURE 15ć 20ć 25ć ...

Page 85: ... 8ć 509 545 563 2 1ć 628 664 682 7 6ć 761 797 815 12 11ć 866 902 920 18 16ć 1033 1069 1087 24 20ć 1219 1255 1273 HSU 53HEK03 R2 DB performance curves heating discharge pressure table indoor temp 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 25ć 20ć 15ć 10ć 7 8ć 2 1ć7 6ć12 11ć18 16ć24 20ć SUCTION PRESSURE Outdoor Temp Heating suction pressure 15ć 20ć 25ć ...

Page 86: ...54 2215 24 16ć 2263 2327 2287 2229 2125 2560 2818 2744 2701 2477 27 19ć 2392 2444 2392 2340 2210 2730 2990 2912 2808 2626 30 22ć 2561 2613 2567 2457 2340 2923 3161 3042 3019 2782 32 23ć 2659 2732 2616 2540 2392 3033 3271 3227 3055 2851 cooling value temerature table HSU 71HEK03 R2 DB performance curves 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 3500 cooling capacity W cooling capacity and i...

Page 87: ...1 809 24 16ć 684 704 688 672 317 460 578 690 815 889 27 19ć 704 719 704 688 329 464 593 707 836 893 30 22ć 716 737 725 700 353 488 620 764 890 962 32 23ć 732 740 742 707 357 513 663 806 920 998 power consumption value temp table HSU 71HEK03 R2 DB performance curves 100 200 300 400 500 600 700 800 900 1000 1100 power consumption w indoor tempe DB WB power consumption temp curves ˉ15ć ˉ10ć 0ć 10ć 20...

Page 88: ...0ć 2448 2238 2064 7 8ć 3008 2727 2535 2 1ć 3317 2996 2717 7 6ć 3130 2890 2460 12 11ć 2802 2581 2250 18 16ć 2292 2161 1895 24 20ć 1839 1653 1474 indoor temp humidity 46 heating capacity and indoor outdoor temp table HSU 71HEK03 R2 DB performance curves 0 500 1000 1500 2000 2500 3000 3500 heating capacity W heating capacity and indoor outdoor temp curves 15 ć 20 ć 25 ć ...

Page 89: ...5 7 8ć 880 978 1075 2 1ć 856 951 1046 7 6ć 680 756 831 12 11ć 469 521 574 18 16ć 360 400 440 24 20ć 254 283 311 indoor temp humidity 46 power consumption value temp table HSU 71HEK03 R2 DB performance curves 0 200 400 600 800 1000 1200 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć 18 16ć 24 20ć cooling capacity w outdoor tempe DB WB heating capacity and indoor outdoor temp curves 15ć 20ć 25ć ...

Page 90: ...288 10ć 2135 2196 2308 20ć 2190 2282 2397 25ć 2406 2538 2632 30ć 2639 2738 2879 35ć 2717 2852 2962 40ć 3193 3280 3398 46ć 3617 3708 3834 HSU 71HEK03 R2 DB performance curves cooling discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 15ć 10ć 0ć 10ć 20ć 25ć 30ć 35ć 40ć 46ć DISCHARGE PRESSURE Outdoor Temp COOLING DISCHARGE PRESSURE 21 15 ć 27 19 ć 32 23 ć 83 ...

Page 91: ... 717 814 945 10ć 724 856 955 20ć 732 865 1005 25ć 770 874 1015 30ć 778 883 1026 35ć 819 910 1047 40ć 901 1001 1151 46ć 991 1131 1324 HSU 71HEK03 R2 DB performance curves cooling suction pressure table indoor temp 350 550 750 950 1150 1350 1550 15ć 10ć 0ć 10ć 20ć 25ć 30ć 35ć 40ć 46ć SUCTION PRESSURE Outdoor Temp COOLING SUCTION PRESSURE 21 15 ć 27 19 ć 32 23 ć ...

Page 92: ... 2663 2772 7 8ć 2890 3048 3136 2 1ć 3159 3304 3446 7 6ć 3006 3208 3309 12 11ć 2988 3112 3232 18 16ć 2738 2925 2996 24 20ć 2378 2486 2557 HSU 71HEK03 R2 DB performance curves Heating discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 25ć 20ć 15ć 10ć 7 8ć 2 1ć 7 6ć 12 11ć18 16ć24 20ć DISCHARGE PRESSURE Outdoor Temp HEATING DISCHARGE PRESSURE 15ć 20ć 25ć ...

Page 93: ...8ć 509 545 563 2 1ć 628 664 682 7 6ć 761 797 815 12 11ć 866 902 920 18 16ć 1033 1069 1087 24 20ć 1219 1255 1273 HSU 71HEK03 R2 DB performance curves heating discharge pressure table indoor temp 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 25ć 20ć 15ć 10ć 7 8ć2 1ć 7 6ć12 11ć 18 16ć 24 20ć SUCTION PRESSURE Outdoor Temp Heating suction pressure 15ć 20ć 25ć ...

Page 94: ... 㝼㚔 䯔 D1 1 㝼㚔 䯔 C1 2 MODE 3 㝼㚔 䯔 B1 4 㝼㚔 䯔 A1 5 RESET 6 XOUT 7 VSS AVSS 8 XI N 9 VCC AVCC 10 SDA 11 SCL 12 Ⳉ 亢ᴎ 䇗䗳 13 㝼㚔 䯔 D2 14 㝼㚔 䯔 C2 15 ᬙ䱰 16 㝼 㚔 䯔 B2 17 㝼 㚔 䯔 A2 18 NC 19 NC 20 NC 21 TEST EN 22 COOL EN 23 HEAT EN 24 ࡴ 2 25 ഫ 䗮 䆃 RXD0 26 ഫ 䗮 䆃 TXD0 27 NC 28 NC 29 NC 30 NC 31 NC 32 ࡴ 1 33 NC 34 ᅸ ݙ ᴎ䗮 䆃 4052 B 35 Ⳉ 亢ᴎ ড作 36 PC 䗮䆃 TXD1 37 ᅸ ݙ ᴎ䗮 䆃 RXD1 38 ᅸ ݙ ᴎ䗮 䆃 4052 A 39 NC 40 ᅸ ݙ ᴎ䗮 䆃 TXD2 4...

Page 95: ...3 104 C 207 104 C 208 104 IC 5 HA17393AF IC 6 HA1630D06 IC 6 HA1630D06 R 221 140 R 216 10 R 224 4 7K R 211 1K R 212 9 1K R 209 1K R 223 330 R 210 6 8K R 214 100 R 207 1K 5V TR1 M M BT9013 5V 15V IC 7 TLP251 2 3 5 6 8 4 8 5 6 7 R 015 330 R 208 6 8K R 014 330 R 013 330 R 018 4 7K R 016 1K R 012 4 7K R 011 4 7K R 008 4 7K R 019 4 7K R 213 100 1 2 3 4 5 6 7 8 IC 4 HA1630D06 IC 4 HA1630D06 R 206 1K R 2...

Page 96: ...uit diagrams Domestic 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 Zou Na He shiquan Shen weijie ...

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