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Introduction

Domestic Air Conditioner

1.1.3 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 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.

Caution

Installation of a leakage breaker is necessary in some cases depending on the conditions of the

installation site, to prevent electrical shocks.

Do not install the equipment in a place where there is a possibility of combustible gas leaks.

If a combustible gas leaks and remains 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 the furniture and floor.

For

integral

units only

HSU12

HG(DB)-SM

Содержание HSU12VHG-B

Страница 1: ...Order No AC1 S00 V0 Wall mounted Type Model No HSU12 HG DB outdoor unit indoor unit and remote controller Haier Group SERVICE MANUAL DC Inverter EK Series 201 ...

Страница 2: ...ont Grill 9 9 1 9 2 9 3 75 73 74 Vertical Blades and Swing Motor 76 78 9 4 9 5 9 6 9 7 9 8 5 3 21 5 2 68 Removal of Front panel Removal of Air Filter of indoor unit main function and control specification of outdoor unit HSU12 HG DB SM Drain pan 1 6 7 8 5 1 ...

Страница 3: ... 89 87 85 84 83 80 10 1 10 2 Removal of Fan and Fan motor Removal of Electrical Box Removal of Outdoor panel Removal of fan motor bracted and partition Removal of compressor and heat exchanger Description of Coding rules of Unit Model Circuit Diagrams Wiring Diagrams 10 11 12 ...

Страница 4: ...fore 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 ...

Страница 5: ... welder in an enclosed room can cause oxygen deficiency 1 1 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 equi...

Страница 6: ...on 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 causing ...

Страница 7: ...r extension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire Caution Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there is a possibility of combustible gas leaks ...

Страница 8: ... replace it Corroded installation platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 M ohm or higher Faulty insulation can cause an electrical shock Be sure to ...

Страница 9: ...MED HI AUTO Constant temperature dehumidification Avoid the child s wrong operation on the remote controller Sleep mode Catches most small particles and remove unpleasant odors effectively With twin blade technology the airflow can be adjusted not to blow directly The 3D airflow is able to deliver the airflow horizontally and vertically Use the timer function to set on or off or from on to off or ...

Страница 10: ...28 29 32 4 5 49 1 5 0 018 3182 1290 3526 3 8 36 13 14 X 10 3 7 X7 1 3 42 39 34 52 HSU 12HEG03 R2 DB 3 5 1 4 3 9 96 97 1 4 5 8 10 7 8 3 6 11 1 8 6 6 4 HSU12 HG DB SM 7 6 9 6 9 33 33 0 15 0 15 40 X 14 1 6 X11 92 95 27 6 23 1 inches inches inches feet feet feet inches inches lbs lbs pints hr OZ Inches 3 Specifications ...

Страница 11: ...410a 33 3 33 3 84 9 78 3 53 25 12 61 x 30 5 7 x 9 2 3 28 1 9 X 36 3 5 X13 27 70 ESTER OIL VG74 920 960 4 1 4 3 53 DA89X1C 20FZ 690 6 40 95 97 2 4 1175 1175 8 HSU12 HG DB SM 63 63 lbs inches inches lbs lbs feet pints ...

Страница 12: ... Connector for power L 6 CN32 Connector for display board 7 C0N6 C0N8 Connector for ions generator 8 CON7 Connector for communicate between the indoor board and the outdoor board 9 CN27 Connector for fan motor s PG back 10 CN34 Connector for long range control 11 CN20 Connector for room card Note Other designations PCB 1 Indoor Control PCB 1 SW1 Connector for Forced operation ON OFF switch 2 SW2 1...

Страница 13: ...Wiring Diagrams Domestic Air Conditioner 10 CN11 CN32 CN1 CN26 CN27 SW1 CON2 CON1 CON8 CON7 CON6 CN34 CN20 PCB 1 HSU12 HG DB SM ...

Страница 14: ... board 10 CN4 Connector for communicate between indoor and outdoor unit 11 CN16 Connector for electric expansion valves Note 09K series needn t connect with CN16 and CN18 PCB 2 module PCB 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 CN1 N CN5 Connector for capacitance board LI CN7 LO CN6 Connector fo...

Страница 15: ...HSU12 HG DB SM Wiring Diagrams Domestic Air Conditioner 12 PCB 1 CN1 CN2 CN3 CN22 CN8 CN9 CN21 CN10 CN17 CN18 CN19 CN20 CN23 CN24 CN26 CN4 CN16 CN5 CN6 ...

Страница 16: ...HSU12 HG DB SM Connector Wring Diagram 13 Domestic Air Conditioner PCB 2 CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN11 CN10 ...

Страница 17: ...essor will be opened 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 delay from the high to low...

Страница 18: ...sor is off or Tr Ts 3ć the manual operation can not be made obligatory automatic operation Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the frosting on the indoor heat exchanger when cooling or demoisture When the compressor works continuously for 1 6 minutes adaptable in EEPROM and the temperature of the indoor coils has b...

Страница 19: ... continuously send indoor high speed signals to the outdoor system Residue heat sending The indoor fan will send the residue heat at a low speed for 12 seconds If other conditions are satisified when the compressor stops the indoor system will operate at a light speed The indoor fan will stop when the coil temperature is below the heat start temp 4 Defrosting When the system receives the defrostin...

Страница 20: ...o is green HS series the health indicator will be lighted If the fan operates the negative ion generator operates to realize the negative sending function If the indoor fan stops the negative ion generator is turned off When the negative ion generator is turned off if the air refreshing system is turned on the negative ion generator will be turned on when the fan operates 5 1 8 Timing You can set ...

Страница 21: ... setting If the fan is at the low speed before the dormant setting the speed will not change 5 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 mo...

Страница 22: ...unction resume and will not be revealed 5 1 13 abnormal operation of indoor 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 ...

Страница 23: ...oor system Quitting condition This mode can be quitted after receiving the quitting signal from the remote control or urgency system The indoor system thus can quit the single operation mode 5 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 Aft...

Страница 24: ...round light is fully lighted for 0 5 second LED screen lights for 0 5 second the step in motor fully output for 0 5 second then the motor doesn t output for 0 5 second the motor fully output again for 0 5 second The test program finishes 5 1 20 Time cutting function connect the test program terminal on the mainboard after connecting the system to the power circuit The CPU of the main control will ...

Страница 25: ...e above are the maximum frequency limitations of the complete appliance which are affected by the environment and they have nothing to do with the ability of the indoor unit Refrigeration dehumidification mode Serial No Temperature scope Frequency limitation 1 Wh_c 28 Max_hz1 45 HZ 2 Wh_c 32 Max_hz2 72 HZ 3 Wh_c 40 Max_hz3 80 HZ 4 Wh_c 48 Max_hz4 65 HZ 5 Wh_c 48 Max_hz5 50 HZ Remarks the above are...

Страница 26: ...fan control when refrigerating or dehumidifying After the compressor is started for 5 seconds the outdoor fan is started at the medium speed at first after 30 seconds it begins to control the airflow speed according to the temperature conditions of the outdoor environment 5 2 2 2 The outdoor fan control when heating The temperature of the outdoor air Ta Airflow speed Ta 22ć Low 19ć Ta 22ć Keeping ...

Страница 27: ...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 5 2 5 Protection function 5 2 5 1 TTC high temperature preventing protection Once the machine is started it can run TTC overheating protection of air blowing but air blowing senso...

Страница 28: ...nue to keep the last time instruction cycle R Increasing at the speed of 1Hz 10seconds Remarks the outdoor unit 5 2 5 3 The control of preventing the overcurrent of the compressor ƽDuring the starting process of the compressor if the curren of the compressor is greater than 17A for 3 seconds stop the compressor and alarm after 3 minutes start it again if such state appears 3 times in 20 minutes st...

Страница 29: ...ecreases by 15AD ŃWhen the outdoor environment temperature is higher than 50ć AC current protection value decreases by 20AD 5 2 5 5 Antifreezing protection of the indoor heat exchanger When refrigerating heating prevent freezing Tpg_indoor Ў is the minimum value of the effective indoor unit start it and it is in accord with the running state 11ć ice_temp_3 5 ice_temp_3 3 9ć Increasing slowly 8ć ic...

Страница 30: ... complete appliance but this can be displayed by the malfunction light the light flashing frequency is 0 5HZ the number of times is according to the malfunction table of the indoor units When a round of flashing is finished the light shoud be off for 10 seconds Then report according to the order unit Aėunit Bėunit Cėunit D that is if there s malfunction with several units then just report the indo...

Страница 31: ...710 1 72 1 59 17 78 1230 71 5010 65 3815 1 70 1 57 16 73 9543 67 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 ...

Страница 32: ...18 12 3223 11 8780 0 86 0 85 21 12 2280 11 8126 11 4011 0 83 0 83 22 11 7102 11 3267 10 9459 0 81 0 80 23 11 2172 10 8634 10 5114 0 78 0 78 24 10 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 ...

Страница 33: ...5 2 36 2 21 66 2 3815 2 2098 2 0486 2 40 2 25 67 2 3068 2 1383 1 9803 2 45 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 55...

Страница 34: ... 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 41 115 0 5891 0 5235 0 4648 4 98 4 45 116 0 5743 0 5100 0 4524 5 04 4 50 117 0 5600 0 4968 0 4404 5 10 4 55 118 0 5460 0 4841 0 4288 5 16 4 60 119 0 5325 0 4717 0 4175 5 22 4 65 120 0 5194 0 4597 0 4066 5 28 4 70 5 3 2 Outdo...

Страница 35: ... 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 6704 1 25 1 20 5 25 3193 23 9462 22 6273 1 23 1 18 6 24 1432 22 8656 21 6361 1 20 1 16 7 23 0284 21 8398 20 6939 1 18 1 14 8 21 9714 20 8659 19 7982 1 15 1 12 ...

Страница 36: ...783 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 4 0588 3 8287 3 6084 1 70 1 62 51 3 9206 3 6943 3 4780 1 74 1 66 52 3 7878 3 5654 3 3531 1 78 1 70 53 3 6601 3 4416 3 2332 1 82 1 74 54 3 5374 3 ...

Страница 37: ...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 0 8179 3 85 3 51 96 0 9756 0 8806 0 7941 3 90 3 55 97 0 9490 0 8558 0 7711 3 96 3 60 98 0 9232 0 8319 0 7489 4 01 3 64 99 0 8983 0 8088 0 72...

Страница 38: ...6 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 36 15 5375 5683 4558 1906 3861 6201 2 76 2 35 14 5045 9114 4286 5535 3638 1938 2 75 2 34 13 4738 4141 4032 7098 3429 0191 2 73 2 34 12 445...

Страница 39: ...8 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 0258 2 05 1 87 28 486 4151 442 3499 401 9146 2 03 1 86 29 463 1208 421 7683 383 7626 2 01 1 84 30 441 0535 402 2430 366 5175 1 99 1 8...

Страница 40: ... 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 1 01 73 67 3844 64 9115 62 4731 1 00 0 99 74 64 8080 62 5006 60 2211 0 98 0 96 75 62 3423 60 1906 58 0609 0 95 0 94 76 59 ...

Страница 41: ... 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 0149 13 0855 2 32 2 19 119 14 5599 13 5942 12 6811 2 36 2 23 120 14 1376 13 1879 12 2909 2 41 2 27 121 13 7294 12 7...

Страница 42: ...HSU12 HG DB SM Wiring Diagrams 39 Domestic Air Conditioner 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 ...

Страница 43: ...Domestic Air Conditioner HSU12 HG DB SM System Configuration 40 ...

Страница 44: ... LOCK button Used to lock buttons and LCD display 26 RESET button When the remote controller appears abnormal use a sharp pointed article to press this button to reset the remote 23 HOUR button Operation mode N A F O T U A COOL DRY Remote controller HEAT 1 2 3 4 5 10 11 12 13 14 15 16 17 18 23 24 25 26 20 21 22 9 19 7 8 6 Control the lightening and the indoor extinguishing of LED display board 3 S...

Страница 45: ...tronic started type fluorescent lamp or change over wireless telephone is installed in the ver is apt to be disturbed in receiving the signals so the distance to the indoor unit should be shorter type fluorescent lamp or room the recei Note Full display or unclear display during operation indicates the ries have been used up Please change batteries If the remote controller can t run normally durin...

Страница 46: ...he air conditioner automatically adjusts the fan speed according to room temperature In FAN operation mode the unit will not operate in COOL or HEAT mode but only in FAN mode AUTO is not available in FAN mode And temp setting is disabled In FAN mode sleep operation is not available Emergency Operation Use this operation only when the remote controller is defective or lost and with function of emer...

Страница 47: ...o low for your sleep 1 hours after SLEEP mode starts temp will become 2 lower than temp setting After another 1 hours temp decrease by 2 rises by 1 futher The unit will run for further 3 hours then stops Temp is lower than temp setting so that room temperature won t be too high for your sleep The unit operaters in corresponding sleep mode adapted to the automatically selected operation mode The an...

Страница 48: ...igerant charge label supplied with the product The filled out label must be adhered in the proximity of the product charging port e g onto the inside of the stop value cover A contains fluorinated greenhouse gases covered by the Kyoto Protocol B factory refrigerant charge of the product see unit name plate C additional refrigerant amount charged in the field D total refrigerant charge E outdoor un...

Страница 49: ...uently by which located in the right side of the indoor unit using vacuum cleaner or flaping them lightly otherwise its performance will be affected the cool and dry conditions For Smart Use of The Air Conditioner Replacement of Air Purifying Filter The white side of the photocatalyst air purifying filter face outside and the black side face the unit The green side of the bacteria killing medium a...

Страница 50: ...ICT STRICT ENFORCEMENT PROHIBITION PROHIBITION PROHIBITION PROHIBITION Do not start or stop the operation by disconnecting Do not channel the air flow directly at people especially at infants or the aged Do not try to repair or reconstruct by yourself Do not use for the purpose of storage of food art work precise equipment breeding or cultivation CAUTION Take fresh air occasionally especially when...

Страница 51: ... will work for 3 minutes to protect the air conditioner immediately until 3 minutes have Cautions 3 If the fuse of indoor unit on PC board is it with the type of T 3 15A 250V outdoor broken change it with the type of T 25A 250V Do not obstruct or cover the ventilation conditoner Do not put fingers inlet outlet and swing louver Do not allow children to play with the air conditioner case should chil...

Страница 52: ...its operates Check the indoor PCB Check to make sure that the indoor PCB is broken Operation sometimes stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation 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 ...

Страница 53: ...y for the outdoor model Page 63 F3 4 Communication fault between the IPM and outdoor PCB Page 56 F19 6 Power voltage is too high or low Page 61 F27 7 Compressor is lockrotor or stopt momentary F4 8 Overheat protection for exhaust temperature Page 57 F8 9 Outdoor DC fan motor fault Page 54 F21 10 Frost removing temperature sensor failure Page 51 F7 11 Suction temperature sensor failure Page 51 F6 1...

Страница 54: ...mistor 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 Faulty connector connection Causes Faulty thermistor 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 co...

Страница 55: ...ng of wire inside the fan motor Operation halt due to breaking of the fan motor lead wires Detection error due to faulty indoor unit PCB How to check Fan Motor DC 1 Check connector connection 2 Check motor power supply voltage output pins 1 4 3 Check motor control voltage pins 4 5 4 Check rotation command voltage output pins 4 6 5 Check rotation pulse input pins 4 7 Notes the a c is electrifying d...

Страница 56: ... indoor unit PCB Replace indoor fan motor PCB NO Replace indoor unit PCB Is motor control power voltageDC15V generated NO Does fan rotate smoothly NO Turn power ON and operate fan Does it rotate Yes Turn off power supply and disconnect fan motor connector then turn power ON Check output of fan motor connector Is motor power voltage DC310V g e n e r a t e d Replace fan motor Stop fan motor Turn off...

Страница 57: ...roller check whether motor can run YES Is it normal N0 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 of the outdoor unit is damaged a...

Страница 58: ...r or else parts damage may be occurred Check the IPM module method Disconnect the compressor harness connector from the outdoor unit PCB To disengage the connector press the protrusion on the connector Then measure resistance between P and N and the U V and W terminals of the compressor connector with a multi tester Evaluate the measurement results for a pass fail judgment N terminal of tester P f...

Страница 59: ... wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred YES 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 NO YES Electrify the machine again and turn it on Check whether the voltage b...

Страница 60: ...ay be occurred NO NO Electrify the machine again and turn it on with the remote controller then measure the temperature at the discharge 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 ...

Страница 61: ...ROM are used to determine MCU Malfunction Detection Malfunction When the Data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed Faulty EEPROM data Causes Faulty EEPROM Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check the EEPROM of the indoor or outdoor mainboard and be sure it is ...

Страница 62: ...ormal Conditions Supposed Indoor unit outdoor unit signal transmission error due to wiring error Causes Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred A NO YES YES NO Yes No Restart the a c and it becomes normally If starting up normally but malfunction occurs again after a while Check whether the link...

Страница 63: ...l of outdoor 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 ...

Страница 64: ...oltage detection circuit to the microcomputer Decision Conditions Supposed Supply voltage not as specified Causes The IPM module is broken 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 About how to check the IPM module please refer to IPM protection fault No This question may be caused ...

Страница 65: ...ulty compressor Ƶ Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Malfunction unso NO YES YES 1 The wiring of compressor is incorrect or the connection is poor 2 The compressor is damaged IPM Module is damaged and needs replacing At first the compressor start up soon the compressor stopped with the LED1 on t...

Страница 66: ...s Faulty compressor Faulty power supply Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred YES NO YES 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 syste...

Страница 67: ...ug into receptacle check the voltage without fail The power source is the same as the ƽ corresponding name plate Install an exclusive branch circuit of the power ƽ A receptacle shall be set up in a distance where the power cable can be reached Do not extend the cable by cutting it ƽ Selection of Installation Place Power Source Preparation Please be subject to the actual product purchased the above...

Страница 68: ... out on the front side then connect them 3 Coat the ﬂaring seal face with refrigerant oil and connect pipes Cover the connection part with heat insulation materials closely and make sure ﬁxing with adhesive tape Fixing the indoor unit body Hang surely the unit body onto the upper notches of the mounting plate Move the body from side to side to verify its secure ﬁxing In order to ﬁx the body onto t...

Страница 69: ...20 g m But the charge of refrigerant must be conducted by profes sional air conditioner engineer Before adding additional refrigerant perform air purging from the refrigerant pipes and indoor unit using a vacuum pump then Spanner Forced fastening without careful centering may damage the threads and cause a leakage of gas Max Elevation Amax 10m In case the elevation A is more than 5m oil trap shoud...

Страница 70: ...nto air conditio ner according to the amount marked on the name plate Please do not let other cooling medium except speci ed one R410A or air enter into the cooling circulation system Otherwise there will be abnormal high pressure in the system to make it crack and lead to personal injuries Power Source Installation Cutting and Flaring Work of Piping Flare tooling die 1 Cut pipe 2 Remove burs 3 In...

Страница 71: ...68 Domestic air conditioner Removal of procedure 9 1 HSU12 HG DB SM ...

Страница 72: ...ir conditioner Removal of procedure 2 Please embed the two during installation hooks on air filter completely into the unit Please embed the air filters into the unit along the grooves as installation HSU12 HG DB SM ...

Страница 73: ...the panels before start the removal procedure of front grille one side to another to release each axis until it is on the horizontal position and then release the pivots on both sides of the unit to remove the front panel 9 2 Remocal of front panel HSU12 HG DB SM ...

Страница 74: ...71 Domestic air conditioner Removal of procedure three two HOOKS HSU12 HG DB SM ...

Страница 75: ...72 Domestic air conditioner Removal of procedure horizontal flap flap flap flap flap 9 3 HSU12 HG DB SM ...

Страница 76: ...73 Domestic Air Conditioner Removal of procedure 9 4 HSU12 HG DB SM ...

Страница 77: ...74 Removal of procedure 9 5 HSU12 HG DB SM Domestic Air Conditioner ...

Страница 78: ...75 Domestic air conditioner Removal of procedure 9 6 HSU12 HG DB SM ...

Страница 79: ...76 Domestic air conditioner Removal of procedure 9 7 HSU12 HG DB SM ...

Страница 80: ...Domestic air conditioner 77 Removal of procedure HSU12 HG DB SM ...

Страница 81: ...Domestic air conditioner Removal of procedure 78 HSU12 HG DB SM ...

Страница 82: ...79 Domestic air conditioner Removal of procedure HSU12 HG DB SM ...

Страница 83: ...80 Removal Procedure 9 HSU12 HG DB SM ...

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Страница 85: ...Removal Procedure 82 4 HSU12 HG DB SM ...

Страница 86: ...83 Removal Procedure HSU12 HG DB SM 9 10 ...

Страница 87: ...84 Removal Procedure 11 HSU12 HG DB SM ...

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Страница 90: ...87 Removal Procedure HSU12 HG DB SM 9 13 ...

Страница 91: ...88 Removal Procedure HSU12 HG DB SM ...

Страница 92: ... 2 5 1 5 029 2 7 62 7 211 725 6RFNHW FRQQHFWRU PDUNHG ZLWK KDV ORFN FDWFK ZKHQ UHPRYLQJ SUHVV WKH ORFN FDWFK DQG SXOO 5 52 1 8 LW EDFNZDUG Double way air exchange 1 2 7 21 5 5 5 21 21 21 21 21 21 5 21 21 7 9 1 1 21 1 5 725 1 21 5 1 1 1 02725 63 2 5 1 5RRP DUG 63 3 1 1 1 1 3 3 1 7 03 6 1625 0 17 7 03 6 1625 SWITCH EMERGENRY 6 1 6 02725 289 5 21 21 21 21 21 1 1 225 81 7 5 0 ...

Страница 93: ...3 16 21 9 9 75 2 5 1 25 25 1 Remark the dotted parts are optional for different unit WR GRXEOH ZD DLU H FKDQJH PRWRU DLU H FKDQJH PRWRU WR VLQJOH ZD 5267 7 03 6 1625 TEMP SENSOR TEMP SENSOR 2035 6625 6 5 7 03 6 1625 1 02725 1 9 FUSE2 1 OHFWULF HDWLQJ DEOH TO INDOOR UNIT 7 50 1 2 32 5 1 HVFULSWLRQ ODVK 7LPHV 2XWGRRU 3520 HUURU 7KH SURWHFWLRQ RI 30 RPPXQLFDWLRQ IDXOW 2YHUFXUUHQW SURWHFWLRQ 2YHUKHDW ...

Страница 94: ...9 P6_4 RXD2 40 P6_3 TXD2 41 P3_1 TRBO 42 P3_0 TRAO 43 P3_6 INT1 44 P3_2 INT2 45 P1_3 KI3 AN11 46 P1_2 KI2 AN10 47 P1_1 KI1 AN9 48 P1_0 KI0 AN8 49 P0_0 AN7 50 P0_1 AN6 51 P0_2 AN5 52 P0_3 AN4 53 P0_4 AN3 54 P6_2 55 P6_1 56 P0_5 AN2 CLK1 57 P0_6 AN1 DA0 58 VSS AVSS 59 P0_7 AN0 DA1 60 VREF 61 VCC AVCC 62 P3_7 SSO 63 P3_5 SCL SSCK 64 IC2 R5F212A7SNFA MODE write online 5V RST MODE 5V DIGH DIGL R32 10K ...

Страница 95: ... N3 2SC2412K N4 2SC2412K White ERROR 1 2 3 CN17 D5 LL4148 D6 LL4148 Yellow Green 1 2 CN32 TEST SS GND 1 2 CN11 12V J1 J2 J3 J6 5V 5V J7 12V 12V J8 R91 10K J9 J10 C19 104 50V J15 J16 15V 15V J13 J14 J12 R92 0 R93 0 R94 0 J17 J19 J23 L2 8MH 10A R2 1M CX3 225 275V CY5 472 250V 275V CY6 472 250V 275V J24 J25 J26 J27 J28 J29 J30 J31 J32 J33 N P P N 1 2 CN36 White Black R86 4 7K K6 12V 5A 892H N 1AC C D...

Страница 96: ...4 5 6 7 C N12 GND 5V M D1 R XD TXD FWP R ES IC 2 T600D C 202 104 C 203 104 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...

Страница 97: ... the developing sequence and R1 means the refrigerant is R407C Applicable frequency 0 50HZ Applicable voltage 3 220 240V Refrigerant type R2 R410A DC inverter H heat pump apparance of indoor unit is E series G is serial number Nominal cooling capacity 12000BTU h The structure code of indoor outdoor unit S wall mounted H Abbreviation of Haier Description of coding rules of unit model 9 H S U 1 2 H ...

Страница 98: ...Wu Hongjin Shi Longfei Yu Huali Wang Fei 86 532 88936935 The end Sincere Forever Haier Group HSU12 HG DB SM ...

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Haier HSU12VHG-B, Руководство по обслуживанию

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