Haier HSU18XH7-G - Ductless Split Indoor Wall Mount Unit Heat Pump Service Manual
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Haier HSU18XH7-G - Ductless Split Indoor Wall Mount Unit Heat Pump Service Manual

Haier HSU18XH7-G - Ductless Split Indoor Wall Mount Unit Heat Pump Service Manual

Wall mounted type on/off ek-series
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SERVICE MANUAL

Order No.

Wall mounted Type

ON/OFF
-Series
EK
Model No. HSU-18HEK13/R2
HSU-24HEK13/R2
WARNING
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
©2011(Qingdao Haier Air Conditioner General corp.,Ltd)
All right reserved .Unauthorized copying and distribution is a violation of law
Haier Group

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Summary of Contents for Haier HSU18XH7-G - Ductless Split Indoor Wall Mount Unit Heat Pump

  • Page 1: Service Manual

    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 ©2011(Qingdao Haier Air Conditioner General corp.,Ltd) All right reserved .Unauthorized copying and distribution is a violation of law...

  • Page 2: Table Of Contents

    HSU-18/24HEK13/R2 Table of Contents 1.Features...................... 1 2.Introduction ....................2 3.Specifications ..................... 7 4.Printed circuit board connector wiring diagram ........9 5.Functions and control ................10 5.1 Main functions and control specification ..........10 5.2 Value of thermistor ................... 15 6. System configuration ................23 6.1 System configuration ................

  • Page 3: Features

    HSU-18 24 HEK13/R2 Features 1. Features Intelligent air With twin-blade technology ,the airflow can be adjusted not to blow directly to human ESF filter : Trap harmful dust and remove unpleasant odors effectively DRY function: Make dehumidifying in the room when the unit is working in the "DRY" mode Anti-mold filter: Catches most small particles and remove unpleasant odors effectively Sleep mode: The setting temprature and the indoor noise can be adjusted to a more comfortable level when you set the "sleep mode"during night sleep...

  • Page 4: Introduction

    Introduction HSU-18 24HEK13/R2 2. Introduction 2.1 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-18 24HEK13/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 6 HSU-18 24HEK13/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 shock or fire. Be sure to use the specified cable to connect between the indoor and outdoor units.
  • Page 7 Introduction HSU-18 24HEK13/R2 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 8: Using Icons

    Introduction HSU-18 24HEK13/R2 2.1.4 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: 2.1.5 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 9: Specifications

    HSU-18 24HEK13/R2 HSU-24HEK13/R2 HSU-18HEK13/R2 5.27 5.27 6.45/6.27 6.45/6.27 22000/21400 22000/21400 18000 18000 230/208V 230/208V pints/hr 8.6/9.3 8.6/9.3 1640 1950/1900 1950/1900 1640 10.98 BTU/(h.w) 11.28/11.26 EER/COP 10.98 11.28/11.26 inches inches inches 98 7/16 98 7/16 inches 59 1/16 59 1/16 inches inches 19 11/16 19 11/16...

  • Page 10: Inches

    HSU-18 24HEK13/R2 Rotary Compressor Rotary Compressor 50A452P ASH 218RN 1805 1480 NMOC Ze-Gles RB68EP or equivalent NMOC Ze-Gles RB68EP or equivalent pints R410A R410A pounds 18.3 19.6 568.3 691.9 Axial fan Axial fan 1805 1480 inches 33 7/8X12 1/8X28 3/4 37 5/16X13 3/8X33 1/16 inches 39 3/16X16 1/2X32 1/16...

  • Page 11: Printed Circuit Board Connector Wiring Diagram

    r i ng Diagram Connector W HSU-18 24 HEK13/R2 4.Printed Circuit Board Connector Wiring Diagram 4.1 Indoor unit Connectors Indoor PCB 1)CN1connector for transformer input 3)CN3 connector for transformer output 2)CN2 connector for terminal block 4)CN5” or CN5”(1) connector for up and down step motor 5)CN6 connector for ambient temp. sensor and piping temp 6)CN7 connector for receiver display 7)CN8 connector for AC fan feedback motor 8)CN9 connector for AC fan motor CN5”...

  • Page 12: Functions And Control

    Functions and Control HSU-18 24 HEK13/R2 5 Functions and control 5.1 main functions and control specifications Including brief introduction to air conditioners of series models and electric control function. 5.1.1 Automatic running 5.1.1.1 Single cold automatic run mode: After entering into this mode, the main control “MCU” determines the corresponding work pattern according to the indoor temperature so as to maintain the preset temperature (the preset temperature is 26 ).
  • Page 16 Functions and Control HSU-18 24HEK13/R2 5.1.6 Timer function: You can set 24-hour timer on or timer off as required, and the minum time unit is 1 minute. After setting, the indicator of indoor unit is on , and it is off when timer setting is completed. There are several timer mode as follows.

  • Page 17: Value Of Thermistor

    HSU-18 24HEK13/R2 Functions and Control 5.1.8.4 Enter emergency operation from timer mode, then timer is cancelled. 5.1.9 Test run: 5.1.9.1 The temperature sensor of inlet air doesn’t work, and compressor starts (but subject to the limit of -minute delay excluding the first time), and high wind, cooling, and air door is open.The indoor fan motor runs, running indicator lights up, compressor relay and the one of outdoor fan motor is closed 5.1.9.2 During test run: The prevention of freezing of evaporator doesn’t work.
  • Page 18 HSU-18 24HEK13/R2 Functions and Control 199.8093 181.4531 164.5813 -1.66 1.53 187.8698 170.9169 155.3033 -1.64 1.51 176.7176 161.0578 146.6059 -1.62 1.49 166.2961 151.8284 138.4495 -1.60 1.48 156.5532 143.1847 130.7973 -1.58 1.46 147.4409 135.0863 123.6153 -1.56 1.44 138.9148 127.4956 116.8717 -1.53 1.43 130.9337 120.3778 110.5374...
  • Page 19 HSU-18 24HEK13/R2 18.2094 17.4484 16.6988 -0.97 0.95 17.4302 16.6792 15.9410 -1.00 0.99 16.6885 15.9480 15.2217 -1.04 1.02 15.9825 15.2530 14.5389 -1.08 1.06 15.3103 14.5920 13.8903 -1.12 1.09 14.6700 13.9632 13.2743 -1.16 1.13 14.0599 13.3650 12.6889 -1.20 1.16 13.4786 12.7957 12.1325 -1.23 1.20 12.9244...
  • Page 20 HSU-18 24HEK13/R2 3.1881 2.8946 2.6249 -2.92 2.68 3.0812 2.7946 2.5316 -2.97 2.73 2.9785 2.6986 2.4420 -3.02 2.77 2.8796 2.6063 2.3560 -3.07 2.81 2.7845 2.5176 2.2735 -3.12 2.86 2.6931 2.4324 2.1943 -3.17 2.90 2.6050 2.3505 2.1182 -3.22 2.94 2.5203 2.2717 2.0451 -3.28 2.99 2.4388...
  • Page 21 HSU-18 24HEK13/R2 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 117.4366 105.7989...
  • Page 22 HSU-18 24HEK13/R2 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 -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...
  • Page 23 HSU-18 24HEK13/R2 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 -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...
  • Page 24 HSU-18 24HEK13/R2 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 -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...

  • Page 25: System Configuration

    HSU-18 24HEK13/R2 System Configuration 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 26: Instruction

    HSU-18 24HEK13/R2 System Configuration Parts and Functions Indoor Unit Remote controller 7. HOUR button 8. MODE button 9. ON/OFF button 10. TIMER ON display 11. FAN SPEED display AUTO 12. LOCK display 13. SWING display 14. SLEEP display 16. Operation mode display Operation mode AUTO COOL...

  • Page 27: Fan Speed Selection

    HSU-18 24HEK13/R2 System Configuration Operation Emergency operation and test operation Base Operation Emergency Operation: Use this operation only when the remote controller Remote controller is defective or lost. When the emergency operation switch is pressed,the" Pi "sound is heard once, which SPEED means the start of this operation.

  • Page 28: Sleep Operation

    HSU-18 24HEK13/R2 System Configuration Operation Sleep Operation In AUTO mode The unit operaters in corresponding sleep mode Before going to bed,you can simply press the SLEEP adapted to the automatically selected operation button and unit will operate in SLEEP mode and bring mode.

  • Page 29: Healthy Airflow Operation

    HSU-18 24HEK13/R2 System Configuration Operation Timer On/Off On-Off Operation For Smart Use of The Air Conditioner Set clock correctly before starting TIMER operation. Do not block the air inlet Setting of proper room 1.After unit starts, select your desired operation mode. temperature or outlet 2.Press TIMER button to change TIMER mode.
  • Page 30 HSU-18 24HEK13/R2 System Configuration Maintenance Replacement of Air Purifying Filter (NOTE: Air purifying filter is optional part) ATTENTION: 1.Open the lnlet Grille The white side of the photocatalyst air purifying Prop up the inlet grille by using a filter face outside,and the black side face the unit. small device named grille-support which located in the right side of The green side of the bacteria-killing medium air...
  • Page 31 HSU-18 24HEK13/R2 System Configuration Cautions WARNING Please call Sales/Service Shop for the Installation. Do not attempt to install the air conditioner by yourself because improper works may cause electric shock, fire, water leakage. WARNING Check proper When abnormality such as burnt-small found, Use an exclusive immediately stop the operation button and power source...

  • Page 32: Trouble Shooting

    System Configuration HSU-18 24HEK13/R2 Trouble shooting Cautions Before asking for service, check the following first. The machine is adaptive in following situation Cause or check points Phenomenon 1.Applicable ambient temperature range: When unit is stopped, it won't restart The system does not restart immediately until 3 minutes have For: T1 immediately.

  • Page 33: Service Diagnosis

    HSU-18 24HEK13/R2 Functions and control 7.Codes and Description 7.1.Problem Symptoms and Measures Symptom Check Item Details of Measure Check to make sure that the rated voltage is None of the units Check the power supply. supplied. operates Check the indoor PCB Check to make sure that the indoor PCB is broken Equipment operates but does...

  • Page 34: Error Codes And Description Indoor Display

    HSU- HEK13/R2 Codes and description 7.2 Error Codes and Description indoor display Code indication Reference Description Page indoor Room temperature sensor failure Indoor Malfunction u l i The code indication that is listed above is the main fault Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred.

  • Page 35: Capacity Diagrams And Curves Diagrams

    HSU- HEK13/R2 Capacity 8. Capacity diagrams and curves diagrams 8.1 Cooling Capacity-temperature Curves HSU- HEK13/R2 performan cecurves coolin g value-temperatur e table indoor temp. outdoor temp.(humidity 46%) 18/12 5300 5281 5264 5240 5209 5188 5130 5058 18/14 5315 5295 5286 5279 5231 5216...
  • Page 36 HSU-18 24HEK13/R2 Capacity HSU- HEK13/R2 performan cecurves coolin g value-temperatur e table outdoor temp.(humidity 46%) indoor temp. 18/12 6350 6320 6275 6240 6210 6182 6147 6125 18/14 6410 6389 6360 6341 6327 6315 6310 6305 20/15 6431 6405 6372 6350 6340 6324 6317...
  • Page 37 Performance Curves Diagram HSU-18 24HEK13/R2 8.2Heating capacity-temperature curves HSU-18HEK13/R2performance curves heating capacity and indoor/outdoor temp.table outdoor temp. indoor temp.(humidity 46%) DB/WB 5120 5036 4970 5230 5167 5036 5317 5245 5102 5442 5270 5135 5345 5278 5563 5346 5631 5579 5486 5745 5665 15°C...
  • Page 38 Performance Curves Diagram HSU-18 HSU-24HEK13/R2performance curves heating capacity and indoor/outdoor temp.table outdoor temp. indoor temp.(humidity 46%) DB/WB 15°C heating capacity and indoor/outdoor temp.curves 20°C 25°C outdoor tempe.(DB/WB) Domestic air conditioner...
  • Page 39 Capacity HSU- HEK13/R2 8.3 Cooling Power Consumption Value-temperature Curves HSU-18HEK13/R2 performance curves power consumption value-temp.table outdoor temp.(humidity 46%) indoor temp DB/WB 18/12 18/14 20/15 22/16 25/18 26.7/19.4 30/22 32/23 32/24 Power consumption-temp curves Indoor temp . (DB/WB) Domestic air conditioner...
  • Page 40 HSU- HEK13/R2 Capacity HSU-24HEK13/R2 performance curves power consumption value-temp.table outdoor temp.(humidity 46%) indoor temp DB/WB 18/12 1532 1613 1601 1612 1653 1674 1689 1786 18/14 1574 1596 1607 1628 1698 1723 1893 1675 20/15 1605 1623 1713 1764 1803 1862 1921 1664 22/16...

  • Page 43: Sound Level

    8.5 Sound level HSU-18 24HEK13/R2 HSU-18HEK13/R2 pressure HSU-18HEK13/R2 220V,60HZ...
  • Page 44 HSU-24HEK13/R2 pressure HSU-24HEK13/R2...

  • Page 45: Installations

    HSU-18 24HEK13/R2 Installations 9. Installations Preparation Selection of Installation Place Necessary Tools for Installation Torque wrench Indoor Unit Driver (17mm,22mm,26mm) Nipper Place, robust not causing vibration, where the body can be supported suf ciently. Hacksaw Pipe cutter Place, not affected by heat or steam generated in the vicinity, where inlet and outlet of the Hole core drill Flaring tool unit are not disturbed.

  • Page 46: Indoor Unit

    HSU-18 24HEK13/R2 Installations Installation of the Indoor Unit Drawing of pipe [ Rear piping ] Floor fixing dimensions Floor fixing dimensions Draw pipes and the drain hose, then fasten them with the adhesive tape of the outdoor unit of the outdoor unit (Unit:mm) (Unit:mm) [ Left Left-rear piping ]...

  • Page 47: Outdoor Unit

    HSU-18 24HEK13/R2 Installations Outdoor unit Installation of Outdoor Unit Power cable: 3G1.0mm Drawing for the installation of indoor and outdoor units Install according to 3G1.0mm Connection of pipes Indoor unit Outdoor unit HSU-07HEK13/R2 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 48 Installations No gas leakage? On Drainage In case of gas leakage, tighten parts of pipe connection. If Please install the drain hose so as to be downward slope without fail. leakage stops, then proceed 6. steps Please don’t do the drainage as shown below. If it does not stop gas leakage, discharge whole refrigerants from the service port.
  • Page 49 Piping diagrams Domestic air conditioner...
  • Page 50 HSU-18 24HEK13/R2 Indoor...

  • Page 51: Fan Motor

    HSU-18 24HEK13/R2 Outdoor OUTDOOR DIAGRAM 0010560078 TO INDOOR UNIT 1(L) 2(N) FRESH AIR MOTOR W(orBorBR) CAPACITOR CAPACITOR 4-way valve TO INDOOR COMPRESSOR FRESH AIR MOTOR FAN MOTOR NOTE: BL:BLUE 1.See above for wiring of heat pump type. 2.There are no dotted lines on cool only type.(marked BLACK with @),Wire is connected from 4 (marked with @@)on terminal block to 1.

  • Page 52: Wiring Diagrams

    HSU-18 24HEK13/R2 10.3 Wiring diagrams CIRCUIT DIAGRAM +12V BUZZ 2SB1182 0.1UF 20K 1% TEST +12V Frash air C16 0.1UF 0.01UF AT24C02B CON8 CON7 BLACK 4.7uF-16V 3.3K 1% B4B-XH 4.7K 4.7uF-16V 2SC2412 0.01UF 0.01UF R31 1K CN7 S8B-PH /89401-0810 COM3 COM2 0.1UF 100uF-16V 0.1UF...

  • Page 53: Dimensional Drawings

    Dimensional drawings HSU-18 24HEK13/R2 10.4 Dimensional drawings HSU-18HEK13/R2 HSU- HEK13/R2...
  • Page 54 Dimensional drawings HSU-18 24HEK13/R2 HSU-18HEK13/R2 9.52mm(3/8 ) HSU-24HEK13/R2 9.52mm(3/8 )

  • Page 55: Center Of Gravity

    HSU-18 24HEK13/R2 10.5 Center of gravity Indoor unit HSU- HEK13/R2 Outdoor unit HSU-07/09/12HEK13/R2...
  • Page 56 HSU-18 24HEK13/R2 Indoor unit HSU-24HEK13/R2...

  • Page 57: Operation Range

    HSU-18 24HEK13/R2 Operation range 10.6 Operation range Cooling 40 43 l l u indoor temp Notes The graphs are based on the following condition Equivalent piping length 7.5m Level difference Domestic air conditioner...
  • Page 58 HSU-18 24HEK13/R2 10.7 Accessories HSU-18/24HEK13/R2 R-03 dry battery Steel nail Plastic cap Cover Cushion Pipe supporting plate Drain-elbow...
  • Page 59 Heating Nominal cooling capacity (12000BTU/h) The structure code of indoor & outdoor unit: S(wall-mounted) H-Abbreviation of Haier Examples: HSU-07RD03/R1,It represents wall-mounted split type heat pump air conditioner .The cooling capacity is 7000BTU/h,and the power supply is 220-230V/50Hz,”D” means the developing sequence,and"R1"...
  • Page 60 The end HSU-18 24HEK13/R2 Liu Ming Zhang Jing He Shiquan Wu Hongjin 0532 8893 6935...

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