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Haier H2SM-(9+12)HEK03/R2 Service Manual

On/off ek-series
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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

SERVICE MANUAL

Model No.H2SM-(9+12)HEK03/R2
WARNING
All right reserved .Unauthorized copying and distribution is a violation of law
Haier Group
ON/OFF EK-Series
©200 (Qingdao Haier Air Conditioner General corp.,Ltd)
6

Order No.

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  Summary of Contents for Haier H2SM-(9+12)HEK03/R2

  • Page 1: Service Manual

    ©200 (Qingdao Haier Air Conditioner General corp.,Ltd) All right reserved .Unauthorized copying and distribution is a violation of law...
  • Page 2: Table Of Contents

    H2SM-(9+12)HEK03/R2 Table of Contents Table of Contents 1. Introduction 1.1 Safety Cautions 1.2 Caution in Repair 1.3 Cautions Regarding Products after Repair 1.4 Inspection after Repair 1.5 Using Icons 1.6 Using Icons List 2. List of Functions 4. Printed Circuit Board Connector Wiring Diagram 4.1 Indoor unit Connectors...
  • Page 3: Introduction

    H2SM-(9+12)HEK03/R2 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”...
  • Page 4: Cautions Regarding Products After Repair

    H2SM-(9+12)HEK03/R2 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 H2SM-(9+12)HEK03/R2 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 the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals.
  • Page 6: Inspection After Repair

    H2SM-(9+12)HEK03/R2 Introduction 1.4 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 power cable and lead wires have scratches or deteriorated, be sure to replace them.
  • Page 7: Using Icons

    H2SM-(9+12)HEK03/R2 Introduction 1.5 Using Icons described in the table below: 1.6 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: List Of Functions

    List of Functions H2SM-(9+12)HEK03/R2 2. List of Functions Category Functions H2SM-(9+12)HEK03/R2) Healthy negative ion make your room full of an abundance natural negative ions. Child lock Avoid the child's wrong operation on the remote controller Dry function Make dehumiditying in the room when the unit is working in the "DRY" mode.
  • Page 9 H2SM-(9+12)HEK03/R2 H2SM-(9+12)HEK03/R2 Model Cooling Heating 2.7/3.1/5.8 2.9/3.3/6.2 Capacity Rated(Min.~Max.) Btu/h 9215/10580/19795 9897/11262/21160 kcal/h 2322/2666/4988 2494/2838/5332 Mositure Removal 1.2/1.5/2.5 — Running Current(Read) 3.9/4.5/8.4 3.8/4.3/8.1 Power Consumption 885/1015/1900 850/970/1820 Read(Min.~Max.) Power Factor COP Rated (Min.~Max.) 3.05/3.05/3.05 3.41/3.41/3.41 Liquid Piping Connctions Drain Heat Insulation Both Liquid and Gas Pipes Max.
  • Page 10 H2SM-(9+12)HEK03/R2 Outdoor Unit Casing Color Ivory White Type Rotary compressor Model 44A203A(9K)/PA118X1C-4FZ(12K) Motor Output 850(9K)/970(12K) Compressor NMOCZE-Gles RB68EP(9K)/ Oil Type ESTER OIL VG74(12K) Oil Charge 270/350 Model R410A Refrigerant Charge 0.85(9K)+1.15(12K) /min(High) 31.3/27.7 Air Flow Rate /min(Low) 20.5/16.8 (cooling/ cfm(High)
  • Page 11: Printed Circuit Board Connector Wiring Diagram

    H2SM-(9+12)HEK03/R2 Connector Wring Diagram 4. Printed Circuit Board Connector Wiring Diagram 4.1 Indoor unit Connectors Connectors PCB (Control PCB) 1) CN1 connector for transformer output 2) CN2 connector for power L,N wire 3) CN3 connector for transformer input 4) CN5 connector for display board...
  • Page 12: Outdoor Unit Connectors

    H2SM-(9+12)HEK03/R2 Connector Wring Diagram 4.2 Outdoor unit Connectors Connectors PCB (Control PCB) CN1 connector for outdoor temperature sensor CN2 connector for outdoor pipe temperature sensor CN4 connector for transformer output CN5 connector for communicate wire of A unit CN6 connector for communicate wire of B unit...
  • Page 13: Funcitions And Control

    Funcitions and Control H2SM-(9+12)HEK03/R2 5. Funcitions and Control Note: See the list of functions for the functions applicable to different models. 5.1.1 Automatic running the running mode according to the current room temperature and then will run according to the determined mode.
  • Page 14: Indoor Fan Control

    Funcitions and Control H2SM-(9+12)HEK03/R2 State1 State2 State3 Ts-1 Ts+2 Ts+2 5.1.4 Indoor Fan Control When Tr Ts+1 , the wind speed is low. When temperature sensor is off, the fan motor runs at low speed. When the wind speed changes from low to high, there is no delay, and when it changes from high to low, there is a 3-minutes delay before conversion.
  • Page 15: Timer Operation

    Funcitions and Control H2SM-(9+12)HEK03/R2 Cancellation of function: Pressing the SLEEP button on the remote. Control unit for 10 times until hearing 2 sounds from the buzzer on the panel. 5.1.7 Air refreshing Up reception of remote control signal, negative ion generator will start operation to emit negative ion if fan is operating.
  • Page 16 Funcitions and Control H2SM-(9+12)HEK03/R2 5.2.1 Single-unit cooling operation When the single unit’s indoor unit gives a cooling signal, the corresponding outdoor compressor carries out cooling operation. During the operation, the outdoor fan operates 1 second before the compressor operates. When changed from heating to cooling, the compressor stands by for 3 minutes, the outdoor fan operates to blow off remaining heat and stops 30 seconds later.
  • Page 17 Funcitions and Control H2SM-(9+12)HEK03/R2 before the outdoor fan operates. When changed from cooling to heating, the compressor stands by for 3 minutes, the outdoor fan stops. return difference of 2°C for the change between high and medium speed. return difference of 2°C for the change between low and medium speed.
  • Page 18 Funcitions and Control H2SM-(9+12)HEK03/R2 immediately. It will restart 45 seconds later if the signal for the outdoor heat load disappears. Otherwise, the outdoor fan will continue to stop until the signal for the outdoor heat load disappears. The signal for heat load is as follows: : When the indoor coil temperature higher than T_OFS (56°C), the...
  • Page 19 Funcitions and Control H2SM-(9+12)HEK03/R2 The heating compressor starts and operate continuously for 10 minutes. After the compressor has been operating for 45 minutes in total (the defrosting operation ends, or when starting in the cooling mode, the compressor totals the operating time for zero clearance), detecting the defrosting sensor TE...
  • Page 20 Funcitions and Control H2SM-(9+12)HEK03/R2 Conditions for ending defrosting: It will restore to the heating operation from the defrosting operation as long as any of the following conditions is met. The temperatures on both outdoor heat exchangers are above 7 degrees for consecutive 80 seconds.
  • Page 21: Function Of Main Thermistor

    Funcitions and Control H2SM-(9+12)HEK03/R2 5.3 Function of Main Thermistor Note: A:Outdoor suction temperature sensor B: Exhaust temperature sensor C: Indoor heat-exchange sensor The outdoor heat exchanger thermistor is used for controlling target discharge temperature. Suction The system sets a target discharge temperature according to the outdoor and indoor heat...
  • Page 22: Thermistor Resistance Chart

    Funcitions and Control H2SM-(9+12)HEK03/R2 5.4 Thermistor resistance chart 5.4.1 Intdoor Unit Room sensor B25°C/50°C=4200K±3% Temp.((°C)) Tolerance(°C) 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 1.72 463.2850 410.5433 363.3602 -1.91 1.71 433.0683 384.5212 340.9980 -1.90 1.70...
  • Page 23 Funcitions and Control H2SM-(9+12)HEK03/R2 Temp.((°C)) Tolerance(°C) 37.1553 35.4363 33.7555 -0.98 0.96 35.3186 33.7344 32.1818 -0.95 0.94 33.5833 32.1240 30.6905 -0.93 0.91 31.9432 30.5997 29.2769 -0.90 0.89 30.3925 29.1565 27.9365 -0.88 0.87 28.9259 27.7895 26.6651 -0.85 0.84 27.5383 26.4944 25.4589 -0.83 0.82...
  • Page 24 Funcitions and Control H2SM-(9+12)HEK03/R2 Temp.((°C)) Tolerance(°C) 4.2154 3.8605 3.5312 -2.53 2.35 4.0682 3.7216 3.4004 -2.58 2.39 3.9268 3.5883 3.2750 -2.63 2.43 3.7910 3.4605 3.1549 -2.68 2.48 3.6606 3.3378 3.0398 -2.73 2.52 3.5353 3.2201 2.9294 -2.77 2.56 3.4150 3.1072 2.8237 -2.82 2.60...
  • Page 25 Funcitions and Control H2SM-(9+12)HEK03/R2 Temp.((°C)) Tolerance(°C) 0.8263 0.7196 0.6258 -5.36 4.71 Pipe Sensor B25°C/50°C=3700K±3% Temp.((°C)) Tolerance(°C) 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 117.4366 105.7989 -1.87 1.70...
  • Page 26 Funcitions and Control H2SM-(9+12)HEK03/R2 Temp.((°C)) Tolerance(°C) 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 0.87 12.7718 12.3223 11.8780 -0.86 0.85 12.2280 11.8126 11.4011 -0.83 0.83 11.7102 11.3267 10.9459 -0.81 0.80...
  • Page 27 Funcitions and Control H2SM-(9+12)HEK03/R2 Temp.((°C)) Tolerance(°C) 2.1652 2.0032 1.8516 -2.54 2.38 2.0983 1.9393 1.7908 -2.59 2.42 2.0337 1.8778 1.7324 -2.63 2.46 1.9714 1.8186 1.6761 -2.68 2.50 1.9113 1.7614 1.6219 -2.73 2.54 1.8533 1.7064 1.5697 -2.78 2.58 1.7974 1.6533 1.5194 -2.83 2.63...
  • Page 28: Outdoor Unit

    Funcitions and Control H2SM-(9+12)HEK03/R2 5.4.2 Outdoor Unit Ambient Sensor, A and B Pipe Sensor B25°C/50°C=3450K±1% Temp.((°C)) 58.77 60.94 63.18 55.73 57.75 59.84 52.87 54.75 56.70 50.17 51.93 53.74 47.62 49.27 50.96 45.22 46.76 48.34 42.96 44.39 45.87 40.82 42.16 43.54 38.80...
  • Page 29 Funcitions and Control H2SM-(9+12)HEK03/R2 Temp.((°C)) 7.029 7.126 7.223 6.755 6.845 6.935 6.492 6.576 6.660 6.241 6.319 6.398 6.001 6.074 6.147 5.772 5.839 5.907 5.553 5.615 5.678 5.343 5.401 5.459 5.142 5.196 5.250 4.950 5.000 5.050 4.762 4.812 4.862 4.583 4.633 4.683...
  • Page 30 Funcitions and Control H2SM-(9+12)HEK03/R2 Temp.((°C)) 1.089 1.116 1.144 1.056 1.083 1.111 1.025 1.051 1.078 0.9941 1.020 1.047 0.9647 0.9902 1.016 0.9363 0.9613 0.9869 0.9089 0.9334 0.9586 0.8824 0.9065 0.9312 0.8568 0.8805 0.9047 0.8321 0.8553 0.8791 0.8082 0.8310 0.8543 0.7851 0.8075 0.8304...
  • Page 31: Instruction

    H2SM-(9+12)HEK03/R2 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...
  • Page 32 H2SM-(9+12)HEK03/R2 Cautions Disposal of the old air conditioner Safety Instructions and Warnings 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 33 H2SM-(9+12)HEK03/R2 Cautions 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 34: Safety Instruction

    H2SM-(9+12)HEK03/R2 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 35 H2SM-(9+12)HEK03/R2 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...
  • Page 36: Parts And Functions

    H2SM-(9+12)HEK03/R2 Parts and Functions Indoor Unit Actual inlet grille may vary from the one shown in the manual according to the product purchased Outdoor Unit OUTLET CONNECTING PIPING AND ELECTRICAL WIRING INLET DRAIN HOSE Domestic Air Conditioner...
  • Page 37 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 38 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 39 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 40 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 41 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 42 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 43 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 44 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 45 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 46 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 47 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 48 H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 49 H2SM-(9+12)HEK03/R2 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. immediately until 3 minutes have elapsed 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 50: Caution For Diagnosis

    Service Diagnosis H2SM-(9+12)HEK03/R2 7.1 Caution for Diagnosis 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 51: Trouble Shooting

    Service Diagnosis H2SM-(9+12)HEK03/R2 7.4. Trouble Shooting 7.4.1 Thermistor or Related Abnormality (indoor unit) E1:Room temperature sensor failure Indoor Display E2:Indoor heat-exchange sensor failure Method of Malfunction The temperatures detected by the thermistors are used to determine thermistor errors Detection Malfunction Decision When the thermistor input is more than 4.92V or less than 0.08V during compressor...
  • Page 52 Service Diagnosis H2SM-(9+12)HEK03/R2 7.4.2 Indoor fan motor malfunction Indoor Display Method of Malfunction The rotation speed detected by the Hall IC during fan motor Detection operation is used to determine abnormal fan motor operation Malfunction Decision When the detected rotation feedback singal don’t receiced in 2 minutes Conditions Operation halt due to short circuit inside the fan motor winding.
  • Page 53 Service Diagnosis H2SM-(9+12)HEK03/R2 7.4.3 Outdoor ambient Sensor failure Indoor Display Outdoor Display Method of Malfunction The temperatures detected by the thermistors are used to determine thermistor errors Detection Malfunction Decision When the thermistor input is more than 4.92V or less than 0.08V during compressor Conditions operation.(* Note: The values vary slightly in some models)
  • Page 54 Service Diagnosis H2SM-(9+12)HEK03/R2 7.4.4 Communication fault between indoor and outdoor system Indoor Display Method of Malfunction Communication is detected by checking the indoor board and outdoor board Detection Malfunction Decision The outdoor PCB broken leads to communication fault Conditions The indoor PCB broken leads to communication fault...
  • Page 55 Service Diagnosis H2SM-(9+12)HEK03/R2 Check whether the linking Reconnect the linking cable cable between the indoor and outdoor is not well connected If unit A have error , please reverse the outdoor If A is error and B is fine, indoor...
  • Page 56 Service Diagnosis H2SM-(9+12)HEK03/R2 7.4.5 Outdoor unit A or B’s coin sensor failure Outdoor Display Method of Malfunction This type of error is detected by checking the thermistor input voltage to the Detection microcomputer.(A thermistor error is detected by checking the temperature) Malfunction Decision The thermistor input is above 4.9V or below 0.1V with the power on.
  • Page 57 Service Diagnosis H2SM-(9+12)HEK03/R2 7.4.6 The indoor EEPROM Abnormality Indoor Display Method of Malfunction The Data detected by the EEPROM are used to determine MCU Detection Malfunction Decision When the Data of EEPROM is error or the EEPROM is damaged Conditions...
  • Page 58 Service Diagnosis H2SM-(9+12)HEK03/R2 7.4.7 The outdoor EEPROM Abnormality Indoor Display Outdoor Display Method of Malfunction The Data detected by the EEPROM are used to determine MCU Detection Malfunction Decision When the Data of EEPROM is error or the EEPROM is damaged...
  • Page 59: Installation

    H2SM-(9+12)HEK03/R2 Installation Installations 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 60: Indoor Unit

    Installation H2SM-(9+12)HEK03/R2 113.5 113.5 Floor fixing dimensions of the outdoor unit (Unit:mm) 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 61: Installation Of The Indoor Unit

    Installation H2SM-(9+12)HEK03/R2 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 62 Installation H2SM-(9+12)HEK03/R2 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 63: When Connecting The Cable Before Installing The Indoor Unit

    H2SM-(9+12)HEK03/R2 Installation Indoor unit Indoor unit When connecting the cable after installing the indoor unit 1 . Insert from outside the room cable into left side of the wall hole , in which the pipe has already existed. 2 . Pull out the cable on the front side, and connect the cable making a loop When connecting the cable before installing the indoor unit Insert the cable from the back side of the unit, then pull it out on the front side.
  • Page 64: Installation Of Outdoor Unit

    H2SM-(9+12)HEK03/R2 Installation 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 ,and the bending radius should be 30 to 40 mm or longer.
  • Page 65 Installation H2SM-(9+12)HEK03/R2 Outdoor unit 2-way valve Liquid Side 6.Purging Method:To use vacuum pump 3-way valve Gas Side Detach the service port's cap of 3-way valve, the Gaugemanifold(for R410A) valve rod's cap for 2-way valve and 3-way's, connect Anti countercurrent joint the service port into the projection of charge hose (Iow) for gaugemanifold.
  • Page 66 H2SM-(9+12)HEK03/R2 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.
  • Page 67: Removal Procedure

    Removal Procedure H2SM-(9+12)HEK03/R2 9. Removal Procedure 9.1 The removal procedure of Indoor Unit Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. 9.1.1 Removal of Air Filters and Front panel...
  • Page 68 Removal Procedure H2SM-(9+12)HEK03/R2 9.1.2 Removal of Filter and Blade Step Procedure Points 1.Removal of Filter and Blade 2.Removal of the blade k n o c k d o w n t h e then the ports. 9.1.3 Removal of the Front Grill...
  • Page 69 Removal Procedure H2SM-(9+12)HEK03/R2 Step Procedure Points Release the marked When hooks. assembling,installthe front grille horizontally so as not to stuff When assembling,make sure the three hooks are caught properly. Pull the front grille out horizontally and remove it. Domestic Air Conditioner...
  • Page 70: Removal Of Drain Pan

    Removal Procedure H2SM-(9+12)HEK03/R2 9.1.4 Removal of Drain Pan Step Procedure Points Loosen the marked screws. screws Pull the two chips out from the frame. chips Pull out the drain pan. Domestic Air Conditioner...
  • Page 71 Removal Procedure H2SM-(9+12)HEK03/R2 9.1.5 Removal of Vertical Blades and Swing Motor Domestic Air Conditioner...
  • Page 72: Removal Of Electrical Box

    Removal Procedure H2SM-(9+12)HEK03/R2 9.1.6 Removal of Electrical Box marked and pull the electrical control box cover out first second third Removal the marked parts flow the numbers Losson the marked scres then pull the control box screw Domestic Air Conditioner...
  • Page 73: Removal Of Heat Exchanger

    Removal Procedure H2SM-(9+12)HEK03/R2 9.1.7 Removal of Heat Exchanger Domestic Air Conditioner...
  • Page 74 Removal Procedure H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 75: Removal Of Fan Rotor And Fan Motor

    Removal Procedure H2SM-(9+12)HEK03/R2 9.1.8 Removal of Fan Rotor and Fan Motor Domestic Air Conditioner...
  • Page 76 Removal Procedure H2SM-(9+12)HEK03/R2 Domestic Air Conditioner...
  • Page 77: The Removal Procedure Of Outdoor Unit

    Removal Procedure H2SM-(9+12)HEK03/R2 9.2 The removal procedure of Outdoor Unit 9.2.1 Removal of Outdoor panel Domestic Air Conditioner...
  • Page 78 Removal Procedure H2SM-(9+12)HEK03/R2 3 remove the back guard Domestic Air Conditioner...
  • Page 79 Removal Procedure H2SM-(9+12)HEK03/R2 fornt Domestic Air Conditioner...
  • Page 80 Removal Procedure H2SM-(9+12)HEK03/R2 9.2.2 Romoval of Electrcal Box Step Procedure Points screws, then lift the electrical box Domestic Air Conditioner...
  • Page 81 Removal Procedure H2SM-(9+12)HEK03/R2 9.2.3 Romoval of Fan Domestic Air Conditioner...
  • Page 82 Removal Procedure H2SM-(9+12)HEK03/R2 9.2.4 Romoval of fan motor, fan motor bracket and partition Step Procedure Points screws, then remove the fan motor Domestic Air Conditioner...
  • Page 83 Removal Procedure H2SM-(9+12)HEK03/R2 Step Procedure Points screws and lift the fan motor bracket. Domestic Air Conditioner...
  • Page 84 Removal Procedure H2SM-(9+12)HEK03/R2 Step Procedure Points The partition plate When assembing, has a hook on the lower side. Lift and hook into the pull the partition bottom frame. plate to remove. Domestic Air Conditioner...
  • Page 85 Removal Procedure H2SM-(9+12)HEK03/R2 9.2.5 Romoval of right side plate Domestic Air Conditioner...
  • Page 86 Removal Procedure H2SM-(9+12)HEK03/R2 9.2.6 Romoval of compressor Step Procedure Points Loosen the marked Cut down the conecting pipe and pull out the compressor and remove the value bracket. Domestic Air Conditioner...
  • Page 87 Removal Procedure H2SM-(9+12)HEK03/R2 9.2.7 Romoval of right side plate Domestic Air Conditioner...
  • Page 88 Removal Procedure H2SM-(9+12)HEK03/R2 left side plate Domestic Air Conditioner...
  • Page 89 Removal Procedure H2SM-(9+12)HEK03/R2 9.2.8 Romoval of heat exchanger Valve Base Domestic Air Conditioner...
  • Page 90 Removal Procedure H2SM-(9+12)HEK03/R2 heater exchanger Domestic Air Conditioner...
  • Page 91: Appendix

    Appendix H2SM-(9+12)HEK03/R2 10. Appendix 10.1 Piping Diagrams Domestic Air Conditioner...
  • Page 92: Wiring Diagrams

    Appendix H2SM-(9+12)HEK03/R2 10.2 Wiring Diagrams Indoor unit 1(N) 2(L) 3(C) Outdoor unit Domestic Air Conditioner...
  • Page 93: Circuit Diagrams

    Appendix H2SM-(9+12)HEK03/R2 10.3 Circuit Diagrams +12V +12V (red) 400m 7805 +12V 892N-1 C-C 1N4007 1N4007 LS4148 Vout (white) +12V D5 1N4007 LS4148 2200 F 25V 0 01 F 470 F 16V bu er 0 1 F 0 1 F 1N4007...
  • Page 94 Appendix H2SM-(9+12)HEK03/R2 OUTDOORUNIT LED1 TEST ESET LED2 LED3 +12V CC-N +12V Domestic Air Conditioner...
  • Page 95: Description Of Coding Rules Of The Unit Model

    Refrigerant type:R2(R410A) Applicable voltage:3(220~230V) Applicable frequency:0(50HZ) apparance of indoor unit is EK series -heat pump Nominal cooling capacity ( 000 and12000 BTU/h) The structure code of indoor & outdoor unit: S(wall-mounted) 2 by 1 H-Abbreviation of Haier Domestic Air Conditioner...
  • Page 96 The End H2SM-(9+12)HEK03/R2 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road Edited by: Li Junjie 266101, Qingdao, China Li Qiyun Email: hractech@haier.com Signed by: Yang Bifei Tel: +86 532 87636960 http://www.haier.com Approved by: Wu Hongjin Domestic Air Conditioner...