Haier E Series Service Manual
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Haier E Series Service Manual

Haier E Series Service Manual

Wall mounted type
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  • Page 1 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 2 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 3 HSU-12LEA03 Vertical Blades and Swing Motor 9.9 Removal of Outdoor Panel 9.10 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 4: Safety Cautions

    HSU-12LEA03 Introduction 1. Introduction 1.1 Safety Cautions Be sure to read the following safety cautions before conducting repair work. The caution items are classified into “Warning” and “Caution”. The “Warning” items are especially important since they can lead to death or serious injury if they are not followed closely. The “Caution” items can also lead to serious accidents under some conditions if they are not followed.

  • Page 5: Cautions Regarding Products After Repair

    HSU-12LEA03 Introduction Warning Do not repair the electrical components with wet hands. Working on the equipment with wet hands can cause an electrical shock. Do not clean the air conditioner by splashing water. Washing the unit with water can cause an electrical shock.
  • Page 6 HSU-12LEA03 Introduction Warning Be sure to use an exclusive power circuit for the equipment, and follow the technical standards related to the electrical equipment, the internal wiring regulations and the instruction manual for installation when conducting electrical work. Insufficient power circuit capacity and improper electrical work can cause an electrical shock or fire. Be sure to use the specified cable to connect between the indoor and outdoor units.

  • Page 7: Inspection After Repair

    Introduction HSU-12LEA03 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.

  • Page 8: Using Icons List

    HSU-12LEA03 Introduction 1.1.4 Using Icons Icons are used to attract the attention of the reader to specific information. The meaning of each icon is described in the table below: 1.1.5 Using Icons List Icon Type of Information Description A “note” provides information that is not indispensable, but may Note: Note nevertheless be valuable to the reader, such as tips and tricks.
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  • Page 13: Functions And Control

    HSU-12LEA03 Functions and control 5 Functions and control 5.1 main functions and control specifications Including brief introduction to air conditioners of series models and electric control function. Automatic When the system runs under "automatic" mode, it will determine the operating mode running according to the follows, Tr 26...
  • Page 14 HSU-12LEA03 Functions and control Under refrigerating and dehumidifying state, the air conditioner will control the outdoor Freezing fan as per the temperature Tp of the indoor coil pipe according to the following prevention conditions: function Compressor ,outdoor fan Zone of return deference OFF after 5 minutes Fan ,compressor ON Tp( .)
  • Page 15 HSU-12LEA03 Functions and control Trial run function When the air conditioner is in OFF state, press the emergency switch for 5 seconds till hearing 2 sounds of click from the buzzer, then the air conditioner will turn to the trial run state.
  • Page 16 HSU-12LEA03 Functions and control Executive function after 2 seconds by After receiving remote control signal, the mainboard doesn’t enter the corresponding remoter control: instruction task until 2 seconds elapse. You can set 24-hour timer on or timer off as required, and the minimum time unit is 1 minute.
  • Page 17 HSU-12LEA03 Functions and control 5.2 Function of Main Thermistor Note : A: Indoor heat-exchange sensor Indoor heat-exchange sensor 1.The indoor heat exchanger thermistor is used for anti-icing control .During the cooling operation, if the heat exchanger temperature in the room where operation is halted becomes 0°C, it is assumed as icing.

  • Page 18: Value Of Thermistor

    HSU-12LEA03 Functions and control 5.2 Value of Thermistor 5.2.1 Indoor unit Room sensor R25 =23K ±3.5% B25 /50 =4200K±3% Max.(K ) Normal(K ) Min.(K ) Tolerance( ) Temp.( ) 568.8372 501.0746 440.8435 -1.97 1.75 530.9600 468.6491 413.1441 -1.95 1.74 495.8488 438.5314 387.3645 -1.93...
  • Page 19 HSU-12LEA03 Functions and control 59.4984 55.9729 52.5917 -1.20 1.15 56.3905 53.1320 50.0006 -1.17 1.13 53.4631 50.4521 47.5523 -1.15 1.11 50.7048 47.9230 45.2384 -1.13 1.09 48.1049 45.5355 43.0505 -1.10 1.07 45.6534 43.2808 40.9813 -1.08 1.04 43.3410 41.1509 39.0236 -1.05 1.02 41.1592 39.1381 37.1708 -1.03...
  • Page 20 HSU-12LEA03 Functions and control 7.3580 6.8556 6.3797 -1.85 1.76 7.0796 6.5884 6.1237 -1.90 1.79 6.8131 6.3329 5.8793 -1.94 1.83 6.5581 6.0887 5.6459 -1.99 1.87 6.3140 5.8552 5.4230 -2.03 1.91 6.0802 5.6318 5.2100 -2.07 1.95 5.8563 5.4181 5.0065 -2.12 1.99 5.6417 5.2136 4.8120 -2.16...
  • Page 21 HSU-12LEA03 Functions and control 1.5650 1.3900 1.2331 -4.08 3.66 1.5180 1.3470 1.1937 -4.13 3.70 1.4726 1.3054 1.1559 -4.19 3.75 1.4287 1.2654 1.1194 -4.24 3.80 1.3864 1.2268 1.0842 -4.30 3.84 1.3455 1.1895 1.0503 -4.36 3.89 1.3060 1.1535 1.0176 -4.42 3.94 1.2679 1.1188 0.9860 -4.47...
  • Page 22 HSU-12LEA03 Functions and control Pipe Sensor R25 =10K ±3% B25 /50 =3700K±3% Temp.(( )) Max.(K ) Normal(K ) Min.(K ) Tolerance( ) 165.2170 147.9497 132.3678 -1.94 1.75 155.5754 139.5600 125.0806 -1.93 1.74 146.5609 131.7022 118.2434 -1.91 1.73 138.1285 124.3392 111.8256 -1.89 1.71 130.2371...
  • Page 23 HSU-12LEA03 Functions and control 18.2580 17.4331 16.6305 -1.06 1.03 17.4442 16.6782 15.9315 -1.03 1.01 16.6711 15.9601 15.2657 -1.01 0.99 15.9366 15.2770 14.6315 -0.98 0.96 15.2385 14.6268 14.0271 -0.96 0.94 14.5748 14.0079 13.4510 -0.93 0.92 13.9436 13.4185 12.9017 -0.91 0.90 13.3431 12.8572 12.3778 -0.88...
  • Page 24 HSU-12LEA032 3.0919 2.8922 2.7029 -2.04 1.93 2.9909 2.7948 2.6092 -2.08 1.97 2.8936 2.7012 2.5193 -2.13 2.01 2.8000 2.6112 2.4328 -2.17 2.05 2.7099 2.5246 2.3498 -2.22 2.09 2.6232 2.4413 2.2700 -2.26 2.13 2.5396 2.3611 2.1932 -2.31 2.17 2.4591 2.2840 2.1195 -2.36 2.21 2.3815 2.2098...
  • Page 25 HSU-12LEA03 22 0.7848 0.7036 0.6303 -4.34 3.92 0.7641 0.6845 0.6127 -4.40 3.97 0.7441 0.6661 0.5957 -4.46 4.02 0.7247 0.6482 0.5792 -4.51 4.07 0.7059 0.6308 0.5632 -4.57 4.12 0.6877 0.6140 0.5478 -4.63 4.16 0.6700 0.5977 0.5328 -4.69 4.21 0.6528 0.5820 0.5183 -4.74 4.26 0.6361...
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  • Page 27: Safety Instructions And Warnings

    HSU-12LEA03 System Configuration Cautions Safety Instructions and Warnings Disposal of the old air conditioner Before disposing an old air conditioner that Before starting the air conditioner, read the goes out of use, please make sure it's inop- information given in the User's Guide caref- erative and safe.
  • Page 28 2 Instruction https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 29: Safety Instruction

    HSU-12LEA03 System Configuration Cautions Safety Instruction Please read the following Safety Instructions carefully prior to use. The instructions are classified into two levels, WARNING and CAUTION according to the seriousness of possible risks and damages as follows. Compliance to the instructions are strictly required for safety use.
  • Page 30 System Configuration HSU-12LEA03 Cautions WARNING When abnormality such as burnt-small found, Use an exclusive power source with a immediately stop the operation button and circuit breaker contact sales shop. STRICT ENFORCEMENT Connect power supply cord Use the proper voltage Do not use power supply cord to the outlet completely extended or connected in halfway STRICT...

  • Page 31: Parts And Functions

    HSU-12LEA03 System Configuration Parts and Functions Indoor Unit Outlet Display board Inlet Air filter(inside) Air Purifying Filter (inside) Power plug Inlet grille Horizontal flap Anion generator (adjust up and down air flow. (inside) Don't adjust it manually) Vertical blade (adjust left and right air flow) Actual inlet grille may vary from the one shown in the manual according to the product purchased For 22k unit, the power plug is on the outdoor unit...

  • Page 32: Clock Set

    HSU-12LEA03 System Configuration Parts and Functions Remote controller Display board 7. SIGNAL SENDING display 8. TIMER OFF display 9. TIMER ON display ON/OFF TEMP 10. CLOCK display 11. TEMP display 12. POWER ON/OFF Used for unit start and stop. MODE 13.
  • Page 33 HSU-12LEA03 System Configuration Parts and Functions If the unit which you purchased has not healthy function, Remote controller should like the following figure: Remote controller Display board 7. SIGNAL SENDING display 8. TIMER OFF display 9. TIMER ON display ON/OFF TEMP 10.

  • Page 34: Operation

    HSU-12LEA03 System Configuration Operation Remote controller's operation When in use, put the signal transmission head directly to the receiver hole on the indoor unit. The distance between the signal transmission head and the receiver hole should be within 7m without any obstacle as well. Don't throw the controller, prevent it from being damaged.

  • Page 35: Auto Operation

    HSU-12LEA03 System Configuration Operation Auto Operation (1) Unit start Press ON/OFF on the remote controller, unit starts . (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL Then Select Auto operation ON/OFF TEMP (3) Fan speed selection...

  • Page 36: Cool Operation

    System Configuration HSU-12LEA03 Operation Cool Operation (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display. (Not Timer setting) (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: AUTO COOL ON/OFF TEMP Unit will run in operation mode displayed on LCD.

  • Page 37: Dry Operation

    HSU-12LEA03 System Configuration Operation Dry Operation (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display. (Not Timer setting) (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: ON/OFF TEMP AUTO COOL MODE...

  • Page 38: Fan Operation

    HSU-12LEA03 System Configuration Operation Fan Operation (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display. (Not Timer setting) (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: ON/OFF TEMP AUTO COOL MODE...

  • Page 39: Air Flow Direction Adjustment

    HSU-12LEA03 System Configuration Operation Air Flow Direction Adjustment 1.Status display of air sending Horizontal flap Remote controller ( Cool/Dry standard position) Blank Pos.1 ( Upward swing ) Pos.2 ( Downward swing ) Pos.3 ( Auto swing ) Pos.4 ON/OFF TEMP 2.Up and down air flow direction(Use remote controller) MODE For each press of SWING button, air flow direction on remote...

  • Page 40: Operation Mode

    HSU-12LEA03 System Configuration Operation Comfortable SLEEP Operation Before going to bed, you can simply press the 2. In AUTO mode SLEEP button and unit will operate in SLEEP mode and bring you a sound sleep. The unit operates in corresponding sleep mode adapted to the automatically selected Use of SLEEP function operation mode.
  • Page 41 HSU-12LEA03 System Configuration Operation HEALTH Operation 1.Unit start Press the ON/OFF switch ON/OFF TEMP 2.Health anion function Press the " HEALTH"once, " " is displayed, now the MODE air conditioner is operating the healthy function. TIMER SWING CLOCK 3.To Cancel HEALTH Model SLEEP HEALTH Press the "...

  • Page 42: Timer On/Off

    HSU-12LEA03 System Configuration Operation Timer On/Off Operation Set Clock correctly before starting Timer operation You can let unit start or stop automatically at following times: Before you wake up in the morning, or get back from outside or after you fall asleep at night. TIMER ON/OFF (1)After unit start, select your desired operation mode.
  • Page 43 HSU-12LEA03 System Configuration Operation Timer On-Off Operation (1)After unit start, select your desired operation mode Operation mode will be displayed on LCD. (2) Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: blank TIMER ON-OFF TIMER ON-OFF...

  • Page 44: Emergency Operation

    HSU-12LEA03 System Configuration Operation Emergency operation and test operation Emergency Operation: Use this operation only when the remote controller is defective or lost. When the emergency operation switch is pressed, the " Pi "sound is heard once, which means the start of this operation. In this operation, the system automatically selects the operation modes, cooling or heating, according to the room temperature: Room...

  • Page 45: Maintenance

    HSU-12LEA03 System Configuration Maintenance For Smart Use of The Air Conditioner Setting of proper room Do not block the air inlet temperature or outlet Proper temperature Close doors and windows Use the timer effectively during operation During cooling operation prevent the penetration of direct sunlight with curtain or blind Use the louvers effectively...

  • Page 46: Remote Controller

    HSU-12LEA03 System Configuration Maintenance For Smart Use of The Air Conditioner WARNING Before maintenance,be sure to turn off the system and the circuit breaker. Remote Controller Indoor Body Wipe the air conditioner by using a soft and dry cloth.For serious stains,use a neutral Do not use water wipe the controller with a detergent diluted with water.Wring the water dry cloth.Do not use glass cleaner or chemical...

  • Page 47: Replacement Of Air Purifying Filter

    HSU-12LEA03 System Configuration Maintenance Replacement of Air Purifying Filter 1.Open the lnlet Grille Prop up the inlet grille by using a small device named grille-support which located in the right side of the ind- oor unit. 2.Detach the standard air filter Slide the knob slightly upward to release the filter, then withdraw it.

  • Page 48: Troubleshooting

    HSU-12LEA03 System Configuration Trouble shooting Before asking for service, check the following first. Phenomenon Cause or check points The system does not restart When unit is stopped, it won't restart immediately until 3 minutes have elapsed immediately. to protect the system. When the electric plug is pulled out and reinserted, the protection circuit will work for 3 minutes to protect the air conditioner.
  • Page 49 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 50 Codes and description HSU-12LEA03 Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, else parts damage may be occurred. Whether terminal CN6 on Pull out the terminals on the indoor mainboard and indoor PCB contact wellt? reinsert them Correct the connection Pull the sensor out of the mainboard...

  • Page 51: Fan Motor(Ac Motor) Or Related Abnormality

    Codes and description HSU-12LEA03 7.2.3 Fan Motor(AC Motor) or Related Abnormality Indoor Display Method of The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor operation Malfunction Detection Malfunction when the detected rotation feedback signal don’t received in 2 minutes Decision Conditions Supposed...
  • Page 52 Codes and description HSU-12LEA03 Troubleshooting Whether terminal CN8 and Pull out and reinsert the terminals CN9 on indoor PCB well inserted or not? Electrify the machine again and turn it on in the cooling operation, Measure voltage between the positions 9 ( red wire) and 5( black wire) of Terminal CN9 on the indoor PCB The voltage is about The indoor pcb is damaged and need replace...

  • Page 53: Necessary Tools For Installation

    Installations HSU-12LEA03 8. Installations Installation Manual of Room Air Conditioner Read this manual before installation Explain sufficiently the operating means to the user according to this manual. Necessary Tools for Installation 1.Driver 5.Torque wrench(17mm,22mm,26mm) 9.Nipper 12.Reamer 2.Hacksaw 6.Pipe cutter 10.Gas leakage detector or 3.Hole core drill 7.Flaring tool soap-and-water solution...
  • Page 54 HSU-12LEA03 Installations https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 55 Installations HSU-12LEA03 8. Installations Installation Manual of Room Air Conditioner Read this manual before installation Explain sufficiently the operating means to the user according to this manual. Necessary Tools for Installation 1.Driver 5.Torque wrench(17mm,22mm,26mm) 9.Nipper 12.Reamer 2.Hacksaw 6.Pipe cutter 10.Gas leakage detector or 3.Hole core drill 7.Flaring tool soap-and-water solution...

  • Page 56: Indoor Unit

    Installations HSU-12LEA03 Indoor unit 1. Insert the drain hose into the dent of heat insulation materials of indoor unit. 2. Insert the indoor/outdoor electric cable from backside of indoor unit, and pull it out on the front side, then connect them. 3.
  • Page 57 HSU-12LEA03 Installations https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 58: Outdoor Unit

    HSU-12LEA03 Installations Outdoor unit Outdoor unit 1.Installation of Outdoor Unit Drawing for the installation of indoor and outdoor units Install according to 2.Connection of pipes To bend a pipe, give the roundness as large as possible not to crush the pipe Connecting the pipe of gas side first makes working easier.
  • Page 59 HSU-12LEA03 Installations Outdoor unit 5.Purging Method: Push the air out of the indoor unit and piping as followes: (1) Remove the valve cap on 2-way valve in outdoor unit. (2) Loosen by 1/2 turn the flare nut of gas pipe, which is conneted to 3-way valve.
  • Page 60 HSU-12LEA03 Installations 1.Power Source Installation The power source must be exclusively used for air conditioner. (Over I0A) In the case of installing an air conditioner in a moist place, please install an earth leakage breaker. For installation in other places, use a circuit breaker as far as possible. 2.Cutting and Flaring Work of Piping Pipe cutting is carried out with a pipe cutter and burs must be removed.

  • Page 61: Removal Procedure

    HSU-12LEA03 Removal Procedure 9. Removal Procedure Indoor unit Removal of Air Filter Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step 1. Features 2. Remove the air filters. Hold the front panel by the tabs on the both sides and lift it until it stops with a click.
  • Page 62 HSU-12LEA03 3-hooks https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 63 HSU-12LEA03 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 64 HSU-12LEA03 Pull the two bolt dowels Pull the air filters and removel them https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 65 HSU-12LEA03 three https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 66 HSU-12LEA03 Pull the two chips out from the frame https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 67 HSU-12LEA03 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 68 HSU-12LEA03 marked and pull the electrical control box cover out Loosen the two mark- ed screw and then loo- sen the hooks marked the concrol box can be pulled out hooks https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
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  • Page 73 HSU-12LEA03 9.9 Removal of outdoor panel HSU-12LEA03 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
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  • Page 77: Removal Of Electrical Box

    HSU-12LEA03 9.10 Removal of Electrical Box https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 78: Removal Of Fan And Fan Motor

    HSU-12LEA03 9.11 Removal of Fan and Fan Motor https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 79: Removal Of Fan Motor Bracket And Partition

    HSU-12LEA03 9.12 Removal of fan motor bracket and partition https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 80 HSU-12LEA03 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 81: Removal Of Compressor And Heat Exchanger

    HSU-12LEA03 9.13 Removal of compressor and heat exchanger https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
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  • Page 83: Piping Diagrams

    HSU-12LEA03 Appendix 10. Appendix 10.1 Piping Diagrams https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 84 HSU-12LEA03 Indoor HSU-12LEA03 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
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  • Page 86: Circuit Diagrams

    HSU-12LEA03 10.3 Circuit Diagrams Domestic air conditioner https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 87 HSU-12LEA03 Tao.Liu Yang Bifei Wu Hongjin https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

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