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SERVICE MANUALL

Type

DC Inverter

1U24SE3ERA

Model No.

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential 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

2017 (Qingdao Haier Air Conditioner General corp. , Ltd)

Haier Group

Version V1

Date 2017-02-22

Packaged

Содержание 1U24SE3ERA

Страница 1: ...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 2017 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthorized copying and d...

Страница 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 33 11 Performance and cerves diagrams 12 Circuit diagrams 15 61 45 30 30 ...

Страница 3: ...me explanation 1 U 2 4 S E 3 E A R The maximum combination number Type of outdoor unit U normal type Nominal cooling capacity 24000Btu h Platform of outdoor units S S platform Europe Version number Heat pump R410A refrigerant DC inverter Apply toT1 220 240V50HZ 1ph 1 ...

Страница 4: ...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...

Страница 5: ...e 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 equ...

Страница 6: ...dified 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 lo...

Страница 7: ... 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 fir...

Страница 8: ...e 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 manipulat...

Страница 9: ...ound level 69 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 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 12 7 17 4 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 1300 W t u p t u o r o t o M Oil type 52 0 L...

Страница 10: ...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 32 DB 23 WB ć ć Outdoor 43 DB 26 WB ć ć Indoor 20 DB ćWB ć Outdoor 2 DB 1 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 compressor to adjust gas ...

Страница 11: ...Pinping diagrams Domestic air conditioner 4ˊPinping diagrams 11 electrical expansion valve electrical expansion valve ...

Страница 12: ...Operation range Domestic air conditioner 5 Operation range 12 10 0 20 16 32 10 20 15 ...

Страница 13: ...2 CN28 Connector to P and N of the module board 13 CN25 14 CN16 15 CX2 17 CN6 CN7 CN19 Connector for electric expansion valves Connector for communicate and power N between indoor and outdoor unit Connector for power N and L between indoor and outdoor unit Note Other Designations PCB 1 Control PCB 1 FUSE 1 25A 250VAC FUSE 2 1A 250VAC 2 LED 1 keep light representative normal if keep flash interval ...

Страница 14: ...PCB 1 CN2 CX2 CN1 CN23 CN3 CN9 CN47 CN10 CN17 CN18 CN19 CN15 CN24 CN25 CN28 CN22 CN7 CN6 Connector Wiring diagrams Domestic air conditioner 14 ...

Страница 15: ...Connector Wiring Diagram PCB 2 CN4 CN9 CN8 CN3 CN5 CN6 CN7 CN1 CN2 CN10 CN11 Domestic air conditioner 15 ...

Страница 16: ...TER PLUG OFF DANGER OF ELECTRIC SHOCK CN7 CN6 AC N OUT AC L OUT BR OR B BL OR W BL OR W BR OR B Note The dotted parts are optional The 1 and the 2 cannot exist at the time but must keep one of them B Black W White R Red Y G Yellow Green BR Brown OR Orange BL Blue GR Gray THE CAPACITOR RETAINS HIGH VOLTAGE EVEN AFTER THE PLUG OFF FOR YOUR SAFETY BE SURE TO WAIT AT LEAST 5 MINUTES AFTER PLUG OFF AND...

Страница 17: ...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...

Страница 18: ... ěKi the number of running machines The calculation of the actual output frequency when there is no healthy airflow F F ED P K When the healthy airflow has been set F F ED P K 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 ai...

Страница 19: ... 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 17 19 During the compressor is started for 3 seconds the outdoor fan is controlled the airflow speed accordin...

Страница 20: ...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...

Страница 21: ...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 ...

Страница 22: ...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...

Страница 23: ... 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 23 7 2 1 Outdoor Unit Ambient Sensor Defrosting Sensor Pipe sensor R25ć 10K f3 B25ć 50ć 3700Kf3 Temp ć Max Kȍ Normal Kȍ Min Kȍ Tolerance ć 30 165 2170 147 9497 132 3678 1 94 1 75 29 155 5754 139 5600...

Страница 24: ...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...

Страница 25: ... 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 ...

Страница 26: ... 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 ...

Страница 27: ...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...

Страница 28: ...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...

Страница 29: ...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 ...

Страница 30: ...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...

Страница 31: ...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 31 ...

Страница 32: ...Dimensinal drawings Domestic air conditioner 8 Dimensional drawings 1U24SE3ERA 9 Center of gravity 32 920 1018 762 385 385 920 12 7 3 4 920 288 762 374 385 132 unit mm unit mm ...

Страница 33: ...stor 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 1 1 Parameter of primary electronic appliance NO Name Parameter Picture 1 Fan motor Rated voltage DC310V Rated current 0 05 A Rated frequency 90W Rated output Compressor Refrigerant R410A R...

Страница 34: ...connection pipes of the connection section among rooms to check the opening and closing operation of the electronic expansion valves of the individual units Diagnosis by service port pressure 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 G...

Страница 35: ...pressor Page43 F28 19 Loop of the station detect error Page43 F2 24 Overcurrent of the compressor Page38 F23 25 Overcurrent protection for single phase of the compressor Page38 10 3 1 Thermistor or Related Abnormality Indoor Display E1 Room temperature sensor failure E2 Heat exchange sensor failure outdoor display LED1 flash 10 times Defrost temperature sensor failure LED1 flash 11 times Suction t...

Страница 36: ...D1 flash 1 times Method of The Data detected by the MCU 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 Thermistor r...

Страница 37: ...ell inserted Is it normal Yes NO Fasten the connection Power on the unit and turn into Cool mode check whether the motor can running Yes Measure whether the voltage between 3 and 6 is 0 5V approx Is it normal N0 The motor of the outdoor unit is damaged and needs replacing 1 Measure whether the voltage between 1 and 3 of the motor socket on the PCB is DC310V approx 2 Measure whether the voltage bet...

Страница 38: ... dues to faulty PCB of IPM module Ŷ Compressor wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Turn on the unit whether the error is displayed before compressor start The power module is fault need replaced 1ǃThe system may have been over or under charged with gas which can be judged through th...

Страница 39: ...ower 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 which can be judged through the pressure of the m...

Страница 40: ...oting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred 1 Check whether plug of MODULE COM and MODULE POWER on the outdoor PCB and IPM module is tight connected 2 Check whether the connection of P N wire between IPM and outdoor is tight Is the connection OK 1 Check whether the voltage between 1 and 2 of Module Power is about DC5V 2...

Страница 41: ... specified Causes Ŷ The IPM module is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Turn on the unit Check whether the compressor running normal Is it ok Yes The power supply is instability NO No Check whether the outdoor power supply is ok Yes Yes This question may be caused by the power Repair the power...

Страница 42: ...ay be occurred Turn on the unit Test WHETHER the compressor running normal 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 temperature too high Malfunctions occur after running for some time even though the measured temperature is bel...

Страница 43: ...eshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred LED LED 1 LED 2 Solution ON OFF OFF ON Outdoor PCB fault ON OFF ON ON This is caused by Outdoor PCB or Indoor PCB fault Change one part firstly if still unsolved change another one ON OFF OFF OFF This is caused by Outdoor PCB or Power module fault Change one part firstly i...

Страница 44: ...lty compressor Ƶ Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Turn on the unit Check whether the compressor can start 1 The wiring of compressor is incorrect or the connection is poor 2 The compressor is damaged Firstly the compressor start up soon the compressor stopped with the LED1 on the outdoor PCB b...

Страница 45: ... 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 63ć The malfunction is reported after the machine has run for some time 1 ǃ Check room temperature and pipe temperature sensor 2ǃ the...

Страница 46: ...6419 6076 24 16ć 6217 6265 6078 6045 5735 7029 7757 7354 7214 6750 27 19ć 6440 6580 6440 6300 5950 7350 8050 7840 7560 7070 30 22ć 6744 6961 6732 6701 6291 7681 8639 8299 7961 7606 32 23ć 7034 7305 7101 6954 6502 8135 8761 8585 8393 7893 cooling value temerature table AP24DF1HRA 1U24SE3ERA performance curves 3000 4000 5000 6000 7000 8000 9000 10000 cooling capacity W cooling capacity and indoor ou...

Страница 47: ...24 16ć 1884 1899 1842 1832 1076 1519 1968 2284 2694 2892 27 19ć 1894 1935 1894 1853 1091 1540 1967 2346 2771 2962 30 22ć 1927 1989 1923 1914 1153 1609 2111 2562 2918 3186 32 23ć 1954 2029 1972 1932 1192 1704 2141 2650 3076 3307 power consumption value temp table 100 600 1100 1600 2100 2600 3100 3600 power consumption w indoor tempe DB WB power consumption temp curves ˉ15ć ˉ10ć 0ć 10ć 20ć 25ć 30ć 3...

Страница 48: ...5 5530 7 8ć 8057 7305 6789 2 1ć 8886 8024 7276 7 6ć 8383 7742 6589 12 11ć 7504 6913 6027 18 16ć 6140 5789 5076 24 20ć 4926 4427 3948 indoor temp humidity 46 heating capacity and indoor outdoor temp table 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 heating capacity W heating capacity and indoor outdoor temp curves 15 ć 20 ć 25 ć AP24DF1HRA 1U24SE3ERA performance curves ...

Страница 49: ...41 3268 3594 2 1ć 2861 3179 3497 7 6ć 2273 2526 2778 12 11ć 1569 1743 1917 18 16ć 1204 1338 1472 24 20ć 850 944 1039 indoor temp humidity 46 power consumption value temp table 0 500 1000 1500 2000 2500 3000 3500 4000 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 AP24DF1HRA 1U24SE3ERA performance curves...

Страница 50: ...2016 10ć 1877 1964 2077 20ć 1981 2040 2172 25ć 2169 2270 2406 30ć 2366 2448 2560 35ć 2477 2550 2698 40ć 2794 2933 3060 46ć 3173 3315 3423 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 AP24DF1HRA 1U24SE3ERA performance curves ...

Страница 51: ... 893 10ć 685 809 902 20ć 692 818 950 25ć 728 826 960 30ć 735 834 969 35ć 774 860 989 40ć 851 946 1088 46ć 937 1069 1251 cooling suction pressure table indoor temp 350 450 550 650 750 850 950 1050 1150 1250 1350 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 AP24DF1HRA 1U24SE3ERA performance curves ...

Страница 52: ...781 2845 7 8ć 2978 3183 3267 2 1ć 3317 3451 3639 7 6ć 3173 3350 3490 12 11ć 3098 3250 3404 18 16ć 2872 3055 3155 24 20ć 2460 2596 2703 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 AP24DF1HRA 1U24SE3ERA performance curves ...

Страница 53: ... 557 583 596 2 1ć 676 702 715 7 6ć 809 835 848 12 11ć 926 952 965 18 16ć 1093 1119 1132 24 20ć 1279 1305 1318 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 AP24DF1HRA 1U24SE3ERA performance curves ...

Страница 54: ...Circuit diagrams Domestic air conditioner 12 Circuit diagrams 12 1 Outdoor unit control board Circuit Diagrams 62 ...

Страница 55: ...Circuit diagrams 63 Domestic air conditioner ...

Страница 56: ...Circuit diagrams Domestic air conditioner 12 2 Module board Circuit Diagram 64 ...

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