Haier HSU18VCK Service Manual
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Haier HSU18VCK Service Manual

Ek-series wall mounted air conditioner
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Order No.AC1001S007V0
ON/OFF EK-Series
Model No.HSU18VCK
2011

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Summary of Contents for Haier HSU18VCK

  • Page 1 Order No.AC1001S007V0 ON/OFF EK-Series Model No.HSU18VCK 2011...

  • Page 2: Table Of Contents

    HSU18VCK-SM 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 ................... 13 6.

  • Page 3: Features

    HSU18VCK-SM Table of Contents...

  • Page 4: Introduction

    HSU18VCK-SM Table of Contents 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

    HSU18VCK-SM 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 HSU18VCK-SM 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.

  • Page 7: Inspection After Repair

    HSU18VCK-SM Introduction 2.1.3 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.

  • Page 8: Using Icons

    HSU18VCK-SM Introduction 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...

  • Page 9: Specifications

    HSU18VCK-SM HSU18VCK Model Cooling 5.27/5.12 Btu/h Capacity Rated 18000/17500 4532/4408 Kcal/h POWER SUPPLY NOMINAL Phase DISTRIBUTION Frequency SYSTEM VO LTAGE Voltage 230/208 Moisture Removal pints/hr 7.2/7.6 Running Current(Rated) Power Consumption Rated 1600/1550 11.25/11.29 BTU/(h.W) EER Rated Liquid inches Piping Connections...
  • Page 10 HSU18VCK-SM Outdoor Unit HSU18VCK Casing Color lvory white Type Hermetic motor compressor 50A452P Model Motor Output 1805 Compressor NMOC Ze-Gles RB68EP or equivalent Oil Type pints 0.99 Oil Charge Model R410A Refrigerant Charge pounds m³/min Air Flow Rate (H/L) 1765...

  • Page 11: Printed Circuit Board Connector Wiring Diagram

    HSU18VCK-SM Connector Wiring Diagram 4. Printed Circuit Board Connector Wiring Diagram 4.1 Indoor unit Connectors Indoor PCB 1) CH1 connector for power line L. 2) CN26 connector for DC fan motor. 3) CN11 connector for step motor. 4) CN32’ connector for receiver display.

  • Page 12: Functions And Control

    HSU18VCK-SM 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. 5.1.1 Automatic running (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 78°...
  • Page 13 HSU18VCK-SM Functions and Control (1)High temperature expiration prevention:When the temp.of coil pipe is above 161°F,compressor and outlet air stop running 10 seconds later, and inlet air runs as the temp. sensor is off. When comp- ressor stands by for 3 minute and the temp. of coil pipe is below 149°F, the unit can be started again.
  • Page 14 HSU18VCK-SM Functions and Control hours and then close. 5.1.6.2 In heating mode, the temp. setting decrease 3 F one hour after start up. After another hour the temp. setting decrease by more 3 F. After 3 hours the temp. setting rise by 1 F and then run continuously for another 3 hours and then close 5.1.6.3 If the wind speed is set to high before going to bed, the wind speed become medium after...

  • Page 15: Value Of Thermistor

    HSU18VCK-SM Functions and Control function of power on is optional. (In auto, heating, cooling, or defrosting status, press the “ ” button to enter additional options when cycle dispay to will flash and then press quickly press and then press rapidly 10 times within 6 seconds, and the auto recovery function of power on can be set on/off.
  • Page 16 HSU18VCK-SM Functions and Control 109.8953 101.5523 93.7278 -1.45 1.36 103.7422 96.0274 88.7774 -1.43 1.34 97.9708 90.8365 84.1185 -1.40 1.32 92.5551 85.9574 79.7322 -1.38 1.30 87.4712 81.3697 75.6011 -1.36 1.29 82.6970 77.0544 71.7088 -1.34 1.27 78.2118 72.9937 68.0402 -1.31 1.25 73.9966 69.1712...
  • Page 17 HSU18VCK-SM Functions and Control 12.9244 12.2537 11.6035 -1.27 1.24 12.3960 11.7375 11.1004 -1.31 1.27 11.8921 11.2459 10.6218 -1.35 1.31 11.4113 10.7775 10.1665 -1.39 1.34 10.9526 10.3311 9.7330 -1.43 1.38 10.5147 9.9056 9.3204 -1.48 1.42 10.0967 9.4999 8.9275 -1.52 1.45 9.6976 9.1130...
  • Page 18 HSU18VCK-SM Functions and Control 2.6050 2.3505 2.1182 -3.22 2.94 2.5203 2.2717 2.0451 -3.28 2.99 2.4388 2.1960 1.9749 -3.33 3.03 2.3602 2.1231 1.9075 -3.38 3.07 2.2846 2.0530 1.8426 -3.43 3.12 2.2118 1.9856 1.7803 -3.48 3.16 2.1416 1.9207 1.7204 -3.54 3.20 2.0740 1.8582...
  • Page 19 HSU18VCK-SM Functions and Control Pipe Sensor R25 =10KΩ±3% B25 /50 =3700K±3% Temp.(( )) Max.(KΩ) Normal(KΩ) Min.(KΩ) 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 20 HSU18VCK-SM 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...
  • Page 21 HSU18VCK-SM Functions and Control 3.9206 3.6943 3.4780 -1.74 1.66 3.7878 3.5654 3.3531 -1.78 1.70 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...
  • Page 22 HSU18VCK-SM Functions and Control 1.0314 0.9326 0.8424 -3.80 3.46 1.0030 0.9061 0.8179 -3.85 3.51 0.9756 0.8806 0.7941 -3.90 3.55 0.9490 0.8558 0.7711 -3.96 3.60 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...

  • Page 23: System Configuration

    HSU18VCK-SM 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...

  • Page 24: Instruction

    HSU18VCK-SM Parts and Functions Indoor Unit Remote controller 7.TEMP display Additional functions display Operation mode QUITE SLEEP HEALTH POWER Remote controller 9. QUIET button 10. COOL button 11. AUTO button 12. FAN button 13. TIMER button 14. HEALTH button 15. LOCK button Used to lock buttons and LCD display 16.

  • Page 25: Emergency Operation

    HSU18VCK-SM Operation Base Operation Emergency operation and test operation Emergency Operation: Use this operation only when the remote controller is defective or lost, and with function of emergency running, air conditoner Remote controller can run automatically for a while. When the emergency operation switch is pressed, the unit beeps once, which means the start of this operation.

  • Page 26: Sleep Operation

    HSU18VCK-SM Operation Sleep Operation 4.Set the wind speed change when sleeping If the wind speed is high or middle before setting for the Press button to enter additional options, when sleep, set for lowing the wind speed after sleeping. cycle display to will flash.

  • Page 27: Healthy Airflow Operation

    HSU18VCK-SM Operation Timer On/Off On-Off Operation Healthy airflow Operation 1.After unit starts, select your desired operation mode. 1.Press to starting Setting the comfort work conditions. 2.Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: 2.The setting of healthy airflow function...

  • Page 28: Replacement Of Air Purifying Filter

    HSU18VCK-SM Maintenance For Smart Use of The Air Conditioner Remote Controller Indoor Body Setting of proper room Do not block the air inlet temperature or outlet Proper wipe the air conditioner by using a temperature soft and dry cloth.For serious stains,...
  • Page 29 HSU18VCK-SM Table of Contents Cautions WARNING This system should be installed by a qualified HVAC professional. Do not attempt to install the air conditioner by yourself because improper works may cause fire, water leakage, personal injury or cleath. WARNING Check proper...

  • Page 30: Trouble Shooting

    HSU18VCK-SM Trouble shooting Cautions Before asking for service, check the following Do not obstruct or cover the ventilation grille of the air first. or any other things into the conditoner.Do not put fingers inlet/outlet and swing louver. Cause or check points...

  • Page 31: Service Diagnosis

    HSU18VCK-SM Codes and Description 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 Check the power supply. supplied. None of the Check to make sure that the indoor PCB is...
  • Page 32 HSU18VCK-SM Codes and Description whether terminal CN1 Pull out the terminals on the indoor mainboard and indoor PCB contact well? reinsert them Pull the sensor out of the mainboard Measure the value of resistance Between its two jumpers Measure the temperature at the room temperature sensing head.
  • Page 33 HSU18VCK-SM Codes and Description Turn off power supply and rotate fan by hand Does fan rotate Replace fan motor smoothly? Turn power ON and operate fan Turn off power supply and disconnect fan Does it rotate? motor connector, then turn power ON...

  • Page 34: Capacity Diagrams And Curves Diagrams

    HSU18VCK-SM 8.1 Cooling Capacity-temperature Curves cooling value-temperature table indoor temp cooling temp.(humidity)40% 67/50 16740 16380 15840 15300 14760 14040 12960 11340 67/57 18000 17640 17280 16740 16020 15300 14220 12960 67/62 19440 19080 18540 17820 17280 16740 15660 14400 72/57...
  • Page 35 HSU18VCK-SM 8.2 Cooling Power Consumption Value-temperature Curves HSU18VCK Performance Curves Power Consumption Value-temperature Curves indoor temp cooling temp.(humidity)40% DB/WB 67/50 1120 1168 1216 1280 1328 1376 1472 1536 67/57 1152 1216 1280 1344 1376 1440 1520 1680 67/62 1216 1264 1328 1408 1472 1480...

  • Page 36: Installations

    HSU18VCK-SM 9. Installation Preparation Selection of Installation Place Necessary Tools for Installation Indoor Unit - Select a plocation that is Torque wrench Hammer (17mm,22mm,26mm) Nipper Robust not causing vibration, where the body can be supported sufficiently. Hacksaw Pipe cutter Not affected by heat or steam generated in the vicinity, where inlet and outlet of the...

  • Page 37: Indoor Unit

    HSU18VCK-SM 1. Insert the drain hose into the dent of heat insulation materials of indoor unit. Accessory parts 2. Insert the indoor/outdoor electric cable from backside of indoor unit, and pull it out on the front side, then connect them.

  • Page 38: Outdoor Unit

    HSU18VCK-SM Ensure that on dirt or debris enters the pipe. The standard pipe length is 7m(27 9/16) . If it is over 7m(27 9/16), the function of the unit will be affected. If the pipe has to be lengthened, the refrigerant should be charged, according to 50 g /m(0.045oz/inch).
  • Page 39 HSU18VCK-SM No gas leakage? On Drainage In case of gas leakage, tighten parts of pipe connection. If leakage stops, Please install the drain hose so as to be downward slope without fail. then proceed step 6. If leak continues, remove the refrigerant used for the Please don’t do the drainage as shown below.

  • Page 40: Wiring Diagrams

    HSU18VCK-SM Wiring Diagrams 10. Wiring Diagrams 10.1 Indoor Up&down step motor DomesticAirConditioner...
  • Page 41 HSU18VCK-SM Wiring Diagrams 1 0 .2 O u td oor NOTE: 1.The parts are optional. 2.Some types may not have the dotted lines. marked with DomesticAirConditioner...

  • Page 42: Circuit Diagram

    HSU18VCK-SM Wiring Diagrams 10. 3 CIRCUIT DIAGRAM MODE P4_5/INT0 595-RCK RESET P1_3/KI3/AN11 595-SER P3_0/TRAO 595-SCK P3_1/TRBO P0_5/AN2/CLK1 P1_0/KI0/AN8 P0_4/AN3 P3_3/SSI DIG1 P6_3/TXD2 DIG2 P6_0/TREO B4B-XH-A P8_4/TRFO11 P8_6 RLS4148 P2_2/TRDIOC0 4.7uF-16V P2_0/TRDIOA0/TRDCLK P0_6/AN1/DA0 4.7uF/16V R135 P0_7/AN0/DA1 P3_5/SCL/SSCK P4_7/XOUT P3_7/SSO R136 4.7K- 1% P3_6/(INT1) 0.001UF...
  • Page 43 HSU18VCK-SM 10.4 Outdoor Unit...
  • Page 44 HSU18VCK-SM 1046 434.7 330.7 159.4...
  • Page 45 HSU18VCK-SM...
  • Page 46 HSU18VCK-SM HSU18VCK...

  • Page 47: Description Of Coding Rules Of Unit Model

    HSU18VCK-SM The series number C-cooling only Applicable voltage:V( 18000...
  • Page 48 HSU18VCK-SM The end Sincere Forever Haier Group Zhao Ni Guo Liang Yang Bifei 86 532 88936935 Wu Hongjin...

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