Haier E Series Service Manual
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Haier E Series Service Manual

Haier E Series Service Manual

Ac inverter wall mounted type
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HSU-09HEA03/(BP)
HSU-12HEA03/(BP)

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  • Page 1 HSU-09HEA03/(BP) HSU-12HEA03/(BP)

  • Page 2: Horizontal Blade

    HSU-09 12HEA03/(BP) Horizontal Blade...
  • Page 3 HSU-09 12HEA03/(BP) Vertical Blades and Swing Motor 9.9 Removal of Outdoor Panel 9.10 Removal of Fan and Fan Motor 11.Circuit Diagrams...

  • Page 4: Cautions Regarding Products After Repair

    HSU-09 12HEA03/(BP) 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 5 HSU-09 12HEA03/(BP) 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 6: Inspection After Repair

    HSU-09 12HEA03/(BP) Introduction 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 7: Using Icons List

    HSU-09 12HEA03/(BP) 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.
  • Page 8 HSU-09 12HEA03/(BP) List Functions HSU-09/12HEA03/(BP) Category Functions HSU-09/12HEA03/(BP) Make your room full of an abundance natural negative ions. Healthy negative ion Avoid the child's wrong operation on the remote controller Child lock Adjust the last fixed operation mode automatically. Auto mode Use the timer function to set on,or off.

  • Page 9: Specifications

    HSU-09 12HEA03/(BP) Specifications 3 Specifications HSU-09HEA03/(BP) HSU-12HEA03/(BP) Heating n i l Heating n i l 11950 16389 8840 11240 4128 2236 2831 3010 1450 1600 2110 2000 3.08 2.80 2.81 Liquid 6.35 6.35 9.52 12.7 16.0 drain 16.0 Both Liquid and Gas Pipes Both Liquid and Gas Pipes 10.1 10.1...
  • Page 10 HSU-09 12HEA03/(BP) Specifications White White Rotary Compressor Rotary Compressor KHV104FCKA SHV130FFDC HAF68D1 or equivalent FV50S 0.33 0.52 0.75 1.08 31.6 31.6 31.6 31.6 1115 1115 1115 1115 Propeller Propeller 1090 1100 543x783x255 543x783x255 594X 915 325 594X915X325...

  • Page 11: Printed Circuit Board Connector Wiring Diagram

    Connector Wiring Diagram HSU-09 12HEA03/(BP) 4.Printed Circuit Board Connector Wiring Diagram 4.1 Indoor unit Connectors Connectors PCB(1) (Control PCB) 1) CN2 Connector for fan motor 2) CN9 Connector for STEP motor 3) CN8 Connector for heat exchanger thermistor and Room temperature thermistor 4) CN7 Connector for fan feedback 5) CN3 Connector for communicate and power N wire 6) CN1 Connector for transformer input...
  • Page 12 HSU-09 12HEA03/(BP) Connector Wiring Diagram Domestic Air Conditioner...
  • Page 13 HSU-09 12HEA03/(BP) Connector Wiring Diagram outdoor unit Connectors PCB(1) (Control PCB) 1) CN2,CN3 Connector for power N and L 2) CN4 Connector for ground 3) CN13 Connector for DC POWER 15Vand 5V to the module board 4) CN1 Connector for capacitance board 5) CN8 Connector for fan motor 6) CN7 Connector for four way valve coil 7) CN9,CN10,CN11Connector for thermistors...
  • Page 14 HSU-09/12HEA03/ BP Connector Wiring Diagram CN11 CN10 CN14 CN13 CN12 PCB(1) Domestic Air Conditioner...
  • Page 15 HSU-09/12HEA03/ BP Connector Wiring Diagram THE module PCB of the HSU-09HEA03/(BP) outdoor unit CN102 CN101 THE module PCB of the HSU-12HEA03/(BP) outdoor unit PCB(2) Domestic Air Conditioner...

  • Page 16: Funcitions And Control

    5.1 Main functions and control specification of indoor unit This specification use for HSU-09/12HEA03/(BP) frequency conversion air condition are manufactured by Haier air condition parent company. "Setting value" (express in parameter) in this specification means is a parameter that is stored in EEPROM. Refer to [EEPROM parameter table].

  • Page 17: Main Functions

    Functions and Control HSU-09 12HEA03/(BP) 5.1.2 Main functions 5.1.2.1 Warm boot When the heat running starts or the frost removing ends and the compressor starts again, in order to avoid cold wind, warm boot wind volume control should be done. Heat exchange temperature THHOT3 38 THHOT2 35.2...
  • Page 18 Functions and Control HSU-09 12HEA03/(BP) High Work-intense protection control: Heat-exchange temperature frequency values when the high work-intense starts THHEAT6 74.7 THHEAT5 70.3 THHEAT4 65.1 THHEAT3 62.2 THHEAT2 52.9 THHEAT1 51.6 THHEAT0 47.1 Indicated Normal C D E stop C D E stop frequency High Work-intense protection High Work-intense...

  • Page 19: Special Functions

    HSU-09 12HEA03/(BP) Functions and Control 5.1.2.5 Dehumidification running Under the dehumidification mode the fan motor stops as the compressor stops The operation is weak after 3 minutes’ idle mode After stand by for 3 minutes, the compressor is on. The compressor operates as the set wind volume when the wind volume is set to be strong, medium or weak The wind volume is decided according to the temperature adjusting when the wind volume is set to be automatic.
  • Page 20 HSU-09 12HEA03/(BP) Functions and Control There is no silent mode for moisture removing. 5.1.3.3 Air cleaning I f the fan motor starts working after receiving the remote-control order, the aion generator starts working and sends out ions. The ion generator stops as the fan motor stops. When the ion generator is OFF and the air cleaning function is on, the fan motor starts running and the ion generator starts working again.

  • Page 21: Outdoor Unit Operation Frequency And Control

    HSU-09 12HEA03/(BP) Functions and Control 5.2 Main functions and control specification of outdoor unit Sensor Code Definition: Tai= Indoor Ambient Temperature, Tao=Outdoor Ambient Temperature, Tc1=Indoor Coil, Td= Air Discharge, Te= Outdoor Coil, Ts=Air Intake 5.2.1 Outdoor Unit Operation Frequency and Control Compressor Operation Frequency Range Compressor Startup Regardless of target frequency of indoor unit, each time when compressor is from off to on, it...

  • Page 22: Four-Way Valve Control

    HSU-09 12HEA03/(BP) Functions and Control Heating: Compressor Operation Frequency Hz <25 25 45 High High 4 18 High Compressor shutdown and outdoor fan residual heat blow process When compressor shuts down in cooling mode, outdoor fan automatically jumps to low speed and blows residual heat for 30s and stop.

  • Page 23: Ptc Output Control

    HSU-09 12HEA03/(BP) Functions and Control (3):Defrosting operation continues for 12 minutes. When defrosting exit conditions are met, the unit will operate as follows Compressor stops, 50s later, four-way valve will be on, 10s later, external fan starts compressor will operate as per startup process. 5.2.5 PTC Output Control When outdoor unit is energized, PTC output value is 0, 10s later, output value is 1.

  • Page 24: Special Features

    Functions and Control HSU-09 12HEA03/(BP) 5.2.6.5 Special Features 1. Forced Cooling: When receiving indoor forced cooling signal, cooling operation will start in a frequency signaled by indoor unit. Only air discharge temperature and over current protection features are effective and other protection features are invalid. 2.

  • Page 25: Function Of Main Thermistor

    HSU-09 12HEA03/(BP) Functions and Control 5.3 Function of Main Thermistor Note: A: Outdoor suction temperature sensor B: Exhaust temperature sensor C: Indoor heat-exchange sensor Outdoor Suction Temperature Sensor The outdoor heat exchanger thermistor is used for controlling target discharge temperature. The system sets a target discharge temperature according to the outdoor and indoor heat exchanger temperature, and controls the electronic expansion valve opening so that the target discharge temperature can be obtained.

  • Page 26: Room Sensor

    Functions and Control HSU-09 12HEA03/(BP) 5.4 Value of Thermistor 5.4.1 intdoor Unit Room sensor R25 =23K ±3.5% B25 /50 =4200K±3% Temp.( ) Max.(K ) Normal(K ) Min.(K ) Tolerance( ) 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...
  • Page 27 Functions and Control HSU-09 12HEA03/(BP) 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 43.3410 41.1509 39.0236 -1.05 1.02 39.0998 37.2355 35.4167...
  • Page 28 HSU-09 12HEA03/(BP) 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...
  • Page 29 HSU-09 12HEA03/(BP) Functions and Control 1.6138 1.4347 1.2739 -4.02 3.61 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...
  • Page 30 HSU-09 12HEA03/(BP) Functions and Control 66.3463 61.0123 56.0565 -1.64 1.52 62.8755 57.9110 53.2905 -1.62 1.51 59.6076 54.9866 50.6781 -1.60 1.49 56.5296 52.2278 48.2099 -1.58 1.47 53.6294 49.6244 45.8771 -1.56 1.46 50.8956 47.1666 43.6714 -1.54 1.44 48.3178 44.8454 41.5851 -1.51 1.42 45.8860 42.6525 39.6112...
  • Page 31 HSU-09 12HEA03/(BP) Functions and Control 8.1371 7.8428 7.5522 -0.95 0.93 7.8299 7.5377 7.2498 -0.98 0.97 7.5359 7.2461 6.9611 -1.02 1.00 6.9852 6.7008 6.4222 -1.10 1.07 6.7273 6.4459 6.1707 -1.13 1.11 6.4803 6.2021 5.9304 -1.17 1.14 6.2437 5.9687 5.7007 -1.21 1.18 6.0170 5.7454 5.4812...
  • Page 32 HSU-09 12HEA03/(BP) Functions and Control 1.7434 1.6021 1.4710 -2.88 2.67 1.6409 1.5051 1.3794 -2.97 2.75 1.5923 1.4592 1.3360 -3.02 2.80 1.5454 1.4149 1.2942 -3.07 2.84 1.5000 1.3721 1.2540 -3.12 2.88 1.4562 1.3308 1.2151 -3.17 2.93 1.4139 1.2910 1.1776 -3.22 2.97 1.3730 1.2525 1.1415...
  • Page 33 HSU-09 12HEA03/(BP) Functions and Control 5.4.2 Outdoor Unit Ambient Sensor, Exhaust Sensor, Defrosting 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...
  • Page 34 HSU-09 12HEA03/(BP) Functions and Control 21.9714 20.8659 19.7982 -1.15 1.12 20.9688 19.9409 18.9463 -1.13 1.09 20.0176 19.0621 18.1358 -1.11 1.07 19.1149 18.2270 17.3646 -1.08 1.05 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...
  • Page 35 HSU-09 12HEA03/(BP) Functions and Control 3.6601 3.4416 3.2332 -1.82 1.74 3.5374 3.3227 3.1183 -1.87 1.78 3.4195 3.2085 3.0079 -1.91 1.82 3.3060 3.0989 2.9021 -1.95 1.85 3.1969 2.9935 2.8005 -2.00 1.89 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...
  • Page 36 HSU-09 12HEA03/(BP) Functions and Control 0.9232 0.8319 0.7489 -4.01 3.64 0.8983 0.8088 0.7275 -4.07 3.69 0.8741 0.7863 0.7067 -4.12 3.74 0.8507 0.7646 0.6867 -4.18 3.78 0.8281 0.7436 0.6672 -4.23 3.83 0.8061 0.7233 0.6484 -4.29 3.88 0.7848 0.7036 0.6303 -4.34 3.92 0.7641 0.6845 0.6127...
  • Page 37 HSU-09 12HEA03/(BP) Functions and Control Discharging Sensor R80 =50K ±3% B25/80 =4450K±3% Temp.(( )) Max.(K ) Normal(K ) Min.(K ) Tolerance( ) 14646.0505 12061.7438 9924.4999 -2.96 2.45 13654.1707 11267.8730 9290.2526 -2.95 2.44 12735.8378 10531.3695 8700.6388 -2.93 2.44 11885.1336 9847.7240 8152.2338 -2.92 2.43 11096.6531...
  • Page 38 HSU-09 12HEA03/(BP) Functions and Control 1305.9472 1153.9626 1018.7481 -2.38 2.12 1236.4792 1094.3200 967.6334 -2.36 2.11 1171.0715 1038.0743 919.3533 -2.35 2.09 1109.4661 985.0146 873.7359 -2.33 2.08 1051.4226 934.9440 830.6210 -2.31 2.07 996.7169 887.6792 789.8583 -2.29 2.06 945.1404 843.0486 751.3077 -2.27 2.04 896.4981 800.8922 714.8380...
  • Page 39 HSU-09 12HEA03/(BP) Functions and Control 146.9136 138.3454 130.1598 -1.47 1.40 140.7403 132.6980 125.0027 -1.44 1.38 134.8559 127.3081 120.0746 -1.42 1.36 129.2457 122.1630 115.3645 -1.40 1.34 123.8956 117.2504 110.8618 -1.37 1.32 118.7926 112.5589 106.5564 -1.35 1.30 113.9241 108.0776 102.4388 -1.32 1.28 109.2784 103.7961 98.5000...
  • Page 40 HSU-09 12HEA03/(BP) Functions and Control 27.0160 25.7110 24.4470 -1.53 1.48 26.1569 24.8685 23.6222 -1.57 1.52 25.3290 24.0574 22.8291 -1.61 1.55 24.5311 23.2765 22.0662 -1.65 1.59 23.7620 22.5245 21.3323 -1.69 1.63 23.0205 21.8002 20.6261 -1.73 1.66 22.3055 21.1025 19.9465 -1.77 1.70 21.6159 20.4303 19.2924...

  • Page 41: System Configuration

    HSU-09 12HEA03/(BP) System Configration 6. System Configuration 6.1 System Configuration After the installation and test operation of the room air conditioner have been completed, it should be operated and handled as described below. Every user would like to know the correct method of operation of the room air conditioner, to check if it is capable of cooling (or heating) well, and to know a clever method of using it.In order to meet this expectation of the users, giving sufficient explanations taking enough time can be said to reduce about 80% of the requests for servicing.
  • Page 42 System Configuration HSU-09 12HEA03/(BP) 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 43 HSU-09 12HEA03/(BP) System Configuration Cautions 7. The appliance is not intended for use Do not obstruct or cover the ventilation by young children or infirm persons grille of the air conditoner.Do not put fingers without supervision. or any other things into the inlet/outlet and swing louver.

  • Page 44: Parts And Functions

    HSU-09 12HEA03/(BP) 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...
  • Page 45 System Configuration HSU-09 12HEA03/(BP) 4Parts and Functions Display board Remote controller 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 46: Remote Controller's Operation

    HSU-09 12HEA03/(BP) 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 47: Cool Operation

    HSU-09 12HEA03/(BP) System Configuration 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: ON/OFF TEMP COOL HEAT...

  • Page 48: Heat Operation

    HSU-09 12HEA03/(BP) System Configuration Operation Heat 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: POWER/SOFT HEALTH HEAT COOL...

  • Page 49: Dry Operation

    System Configuration HSU-09 12HEA03/(BP) Operation Dry Operation (1) Unit start Press ON/OFF button, unit starts. (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: HEAT COOL ON/OFF TEMP Unit will run in operation mode displayed on LCD. Stop display at your desired mode.

  • Page 50: Air Flow Direction Adjustment

    HSU-09 12HEA03/(BP) System Configuration Operation (5) Air flow direction adjustment After operation mode is selected, horizontal flap will open automatically according to the mode. Referring to the Fig. COOL About 10 Up and down (Use remote controller) Left and right air flow adjustment (manual) Press SWING button, horizontal flap will move Move the vertical blade by a knob on air...

  • Page 51: Timer Operation

    HSU-09 12HEA03/(BP) System Configuration Operation TIMER 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 52 HSU-09 12HEA03/(BP) System Configuration Operation HEALTH Operation POWER/SOFT 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 HEALTH Press the "...
  • Page 53 HSU-09 12HEA03/(BP) System Configuration Operation POWER/SOFT Operation POWER Operation When you need rapid heating or cooling, you can use this funciton. ON/OFF TEMP Selecting of POWER operation Press POWER/SOFT button. Every time the button is pressed,display MODE changes as follows: BLANK SOFT POWER...
  • Page 54 HSU-09 12HEA03/(BP) System Configuration Operation HEALTH Operation POWER/SOFT 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 HEALTH Press the "...

  • Page 55: Maintenance

    HSU-09 12HEA03/(BP) 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 56 System Configuration HSU-09 12HEA03/(BP) 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...

  • Page 57: Safety Instruction

    System Configuration HSU-09 12HEA03/(BP) 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 58 HSU-09 12HEA03/(BP) System Configuration 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...

  • Page 59: Troubleshooting

    HSU-09 12HEA03/(BP) 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 60: Service Diagnosis

    HSU-09 12HEA03/(BP) Service Diagnosis 7 Service Diagnosis 7.1 Caution for Diagnosis The operation lamp flashes when any of the following errors 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.

  • Page 61: Error Codes And Description Indoor Display

    HSU-09 12HEA03/(BP) Service Diagnosis 7.4.Error Codes and Description indoor display Code indication Description indoor Indoor and Outdoor Communication fault between indoor and outdoor units Room temperature sensor failure Indoor Malfunction Heat-exchange sensor failure Indoor EEPROM error Indoor fan motor malfunction Outdoor EEPROM error The protection of IPM Outdoor Malfunction...
  • Page 62 HSU-09 12HEA03/(BP) Service Diagnosis 7.4.1Thermistor or Related Abnormality (indoor unit) E1: Room temperature sensor failure Indoor Display E2: Heat-exchange sensor failure the temperatures detected by the thermistors are used to determine thermistor errors Method of Malfunction Detection when the thermistor input is more than 4.92V or less than 0.08V during compressor Malfunction operation.

  • Page 63: Indoor Fan Motor Malfunction

    HSU-09 12HEA03/(BP) Service Diagnosis 7.4.2 Indoor fan motor malfunction Indoor Display The rotation speed detected by the Hall IC during fan motor operation is used to Method of determine abnormal fan motor operation Malfunction Detection when the detected rotation feedback singal don’t receiced in 2 minutes Malfunction Decision Conditions...

  • Page 64: Ipm Protection

    HSU-09 12HEA03/(BP) Service Diagnosis 7.4.3 IPM protection Indoor Display IPM protection is detected by checking the compressor running condition and so on. Method of Malfunction Detection The system leads to IPM protection due to over current Malfunction The compressor faulty leads to IPM protection Decision circuit component of IPM is broken and led to IPM protection Conditions...
  • Page 65 HSU-09 12HEA03/(BP) Service Diagnosis 7.4.4 The IPM and outdoor PCB don’t communicate or Related Abnormality Indoor Display Method of Communication is detected by checking the IPM module and the outdoor PCB Malfunction Detection Malfunction The outdoor PCB broken leads to communication fault Decision The IPM module broken leads to communication fault Conditions...

  • Page 66: Thermistor Or Related Abnormality (Outdoor Unit)

    HSU-09 12HEA03/(BP) Service Diagnosis 7.4.5 Thermistor or Related Abnormality(outdoor unit) Frost-removing temperature sensor failure Indoor display: Exhaust temperature sensor failure Indoor display: Ambient temperature sensor failure Indoor display: This type of error is detected by checking the thermistor input voltage to the Method of microcomputer.
  • Page 67 HSU-09 12HEA03/(BP) Service Diagnosis Indoor display the exhaust temperature control is checked with the temperature being detected Method of by the exhaust pipe thermistor Malfunction Detection when the compressor discharge temperature is above 117 Malfunction Decision Conditions Electronic expansion valve defective Supposed Faulty thermistor Causes...
  • Page 68 HSU-09 12HEA03/(BP) Service Diagnosis The sensor is damaged. Replace the sensor with a new the results deviate one. much? The outdoor mainboard is damaged and needs be replaced 7.4.7 The EEPROM Abnormality (Indoor or outdoor unit) Indoor EEPROM error Indoor Display F12 Outdoor EEPROM error the Data detected by the EEPROM are used to determine MCU Method of...
  • Page 69 HSU-09 12HEA03/(BP) Service Diagnosis 7.4.8 Communication error between the indoor and outdoor units Indoor display The date received from the another unit in indoor unit-outdoor unit signal transmission Method of checked whether is normal Malfunction Detection When the date sent from the another unit cannot be received normally,or when the Malfunction content of the data is abnormal...
  • Page 70 HSU-09 12HEA03/(BP) Service Diagnosis Check the status of LED1 on the indoor mainboard. If the LED1 blinks interruptedly measure the voltage between Jumpers 3 and 4 of IC5 on the indoor mainboard with a multimeter. Test the outdoor power supply (230VAC and +310VDC) with a multimeter.

  • Page 71: High Work-Intense Protection

    HSU-09 12HEA03/(BP) Service Diagnosis 7.4.9 High work-intense protection Indoor display High work-intense control is activated in the heating mode if the temperature being Method of sensed by the heat exchanger thermistor exceeds the limit. Malfunction Detection Activated when the temperature being sensed by the heat exchanger thermistor rises Malfunction above twices in 30 minutes.

  • Page 72: Power Supply Over Or Under Voltage Fault

    HSU-09 12HEA03/(BP) Service Diagnosis 7.4.10 Power Supply Over or under voltage fault Indoor display An abnormal voltage rise or fall is detected by checking the specified voltage detection Method of circuit. Malfunction Detection An voltage signal is fed from the voltage detection circuit to the microcomputer Malfunction Decision Conditions...

  • Page 73: Loop Of The Station Detect Error

    HSU-09 12HEA03/(BP) Service Diagnosis 7.4.11 Loop of the station detect error Indoor display the position of the compressor rotor can not detected normally Method of Malfunction Detection when the The wiring of compressor is wrong or the connection is poor; Malfunction or the compressor is damaged Decision...

  • Page 74: Necessary Tools For Installation

    HSU-09 12HEA03/(BP) Installation 8 Installation 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 4.Spanner(17,19 and 26mm)

  • Page 75: Power Source

    HSU-09 12HEA03/(BP) Installation 137.5 137.5 Floor fixing dimensions of the outdoor unit (Unit:mm) HSU-09HEA03/(BP) HSU-12HEA03/(BP) Fix the unit to concrete or block with bolts( 10mm) and nuts firmly and horizontally. Fixing of outdoor unit When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in consideration of earthquake and strong wind.
  • Page 76 HSU-09 12HEA03/(BP) Installation Indoor unit Indoor unit 1.Fitting of the Mounting Plate and Positioning of the wall Hole When the mounting plate is first fixed 1.Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against the wall, then temporarily fasten the plate with one steel nail.
  • Page 77 HSU-09 12HEA03/(BP) Installation 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.
  • Page 78 HSU-09 12HEA03/(BP) Installation Indoor unit Indoor unit 1.Fitting of the Mounting Plate and Positioning of the wall Hole When the mounting plate is first fixed 1.Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against the wall, then temporarily fasten the plate with one steel nail.
  • Page 79 HSU-09 12HEA03/(BP) Installation 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 80 HSU-09 12HEA03/(BP) Installation Outdoor unit 5.Purging Method: 2-way valve 3-way valve Push the air out of the indoor unit 6.35mm(1/4") 9.52mm(3/8") 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 81: Power Source Installation

    HSU-09 12HEA03/(BP) Installation 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 82: Removal Procedure

    HSU-09 12HEA03/(BP) 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...
  • Page 83 HSU-09 12HEA03/(BP) 3-hooks...
  • Page 84 HSU- 09 12HEA03/(BP)
  • Page 85 HSU-09 12HEA03/(BP) Pull the two bolt dowels Pull the air filters and removel them...
  • Page 86 HSU-09 12HEA03/(BP) three...
  • Page 87 09 12HEA03/(BP) Pull the two chips out from the frame...
  • Page 88 HSU- 0912HEA03/(BP)
  • Page 89 HSU-09 12HEA03/(BP) 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...
  • Page 90 HSU-09 12HEA3/(BP)
  • Page 91 HSU- 0912HEA03/(BP)
  • Page 92 HSU- 0912HEA03/(BP)
  • Page 93 HSU- 09 12HEA03/(BP)
  • Page 94 -09 12HEA03/(BP) Outdoor panel...
  • Page 95 - 09 12HEA03/(BP)
  • Page 96 -09 12HEA03/(BP)
  • Page 97 -09 12HEA03/(BP)
  • Page 98 -09 12HEA03/(BP) 9.10...

  • Page 99: Removal Of Fan And Fan Motor

    HSU- 09 12HEA03/(BP) 9.11 Removal of Fan and Fan Motor...

  • Page 100: Removal Of Fan Motor Bracket And Partition

    HSU- 09 12HEA03/(BP) 9.12 Removal of fan motor bracket and partition Loosen the fixing screws and lift the fan motor bracket...
  • Page 101 -09 12HEA03/(BP)

  • Page 102: Removal Of Compressor And Heat Exchanger

    HSU-09 12HEA03/(BP) 9.13 Removal of compressor and heat exchanger...
  • Page 103 -09 12HEA03/(BP)

  • Page 104: Piping Diagrams

    HSU-09 12HEA03/(BP) Appendix 10. Appendix 10.1 Piping Diagrams Cooling mode Heating mode...
  • Page 105 HSU-09 12HEA03/(BP) Appendix 10.2. Wiring Diagrams 10.2.1 Indoorunit RECEIVER DISPLAY Line 2 Line 1 ATTENTION For PCB with relay, there is no connection wire symbolized by dotted line.For PCB without insert pin relay, connection wire LINE 1 directly connected to in the terminal "2(L)"...

  • Page 106: Outdoor Unit

    HSU-09 12HEA03/(BP) Appendix 10.2.2 Outdoor unit CN1/CN101 CN2/CN102 CN13 W V U CN14 FUSE In the module board,the "CN1,CN2" "9000BTU" units;The "CN101,CN102" is for Domestic Air Conditioner...

  • Page 107: Circuit Diagrams

    Circuit Diagrams HSU-09 12HEA03/(BP) 11.Circuit Diagrams 11.1.INDOORUNIT Domestic Air Conditioner...
  • Page 108 Circuit Diagrams HSU-09 12HEA03/(BP) 11.2.OUTDOORUNIT 11.2.1 control board Circuit Diagrams Domestic Air Conditioner...
  • Page 109 Circuit Diagrams HSU-09 12HEA03/(BP) 11.2.2 module board Circuit Diagrams N1(-) P (+) R1(shunt resistor) 5W 16m PS21564 104/50V 104/50V 104/50V 104/50V 2.2nF 22nF 104/50V 104/50V 104/50V 74HC04N 104/50V 1N4007/1N4148 104/50V B11B-XH B10B-XH circuit diagrams of the HSU-09HEA03/(BP) outdoor unit circuit diagrams of the HSU-12HEA03/(BP) outdoor unit Domestic Air Conditioner...
  • Page 110 HSU-09/12HEA03/(BP) The end Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road Edited by: Yan WenMing Zhang Haichun 266101, Qingdao, China E-mail: hractech@haier.com Signed by: Yang Bifei Tel: +86 532 87636957 Http://www.haier.com Wu Hongjin Approved by: Domestic air conditioner...

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