Haier E Series Service Manual
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Haier E Series Service Manual

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Summary of Contents for Haier E Series

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  • Page 2 24L/H A : http://splitoff.ru/tehn-doc.html...
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  • Page 4: Safety Cautions

    24L/H A Introduction 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

    24L/H A 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 24L/H A Introduction Warning Be sure to use an exclusive power circuit for the equipment, and follow the technical standards related to the electrical equipment, the internal wiring regulations and the instruction manual for installation when conducting electrical work. Insufficient power circuit capacity and improper electrical work can cause an electrical shock or fire. Be sure to use the specified cable to connect between the indoor and outdoor units.

  • Page 7: Inspection After Repair

    Introduction 24L/H A 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. If the power cable and lead wires have scratches or deteriorated, be sure to replace them.

  • Page 8: Using Icons List

    24L/H A 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 Note: Note nevertheless be valuable to the reader, such as tips and tricks.
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  • Page 11: Printed Circuit Board Connector Wiring Diagram

    24L/H A 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. 5) CN48 connector for Emergency switch.

  • Page 12: Functions And Control

    24L/H A 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 Automatic running mode When the running mode is turned to automation after starting the system, the system will first determine the running mode according to the current room temperature and then will run according to the determined mode.
  • Page 13 24L/H A Manual operation: When unit is on the wind speed can be set to high, medium, low or automatic as required (execute instruction 2 seconds later after receiving remote signal) Compressor control The compressor can’t be controlled by temperature sensor within 2 minutes after start up and can be only restarted at least 3 minutes later after shutdown.
  • Page 14 24L/H A When Tr<Ts+5 , compressor, four -ways valve and outdoor fan motor is on, and the indoor fan motor runs as in the mode of avoiding cold blast. *Control of indoor fan motor: Manual operation: The wind speed can be set to high, medium, low or automatic as required. Automatic operation: When Tr Ts, the wind speed is high;...
  • Page 15 24L/H A Intelligentized defrosting: Indoor unit enter overload protection and air outlet stops when air outlet has been restarted and runs over 10 minutes, and compressor runs over 45 minutes in total and over 20 minutes continuously, and the temp. of indoor coil pipe is below 38 . Compressor runs 20 minutes continuously, and the temp.
  • Page 16 24L/H A another hour the temp. setting increase by more 1 and then run continuously for another 6 hours and then close. 5.1.7.2 In heating mode, the temp. setting decrease 2 one hour after start up. After another hour the temp.

  • Page 17: Value Of Thermistor

    24L/H A and the auto recovery function of power on can be set on/off. If the buzzer rings 4 times, the auto recovery function of power on is available; If the buzzer rings 2 times, the auto recovery function of power on is unavailable.) If there is no EEPROM, the unit is taken off the ‘off’...
  • Page 18 24L/H A Functions and Control 82.6970 77.0544 71.7088 -1.34 1.27 78.2118 72.9937 68.0402 -1.31 1.25 73.9966 69.1712 64.5813 -1.29 1.23 70.0335 65.5716 61.3188 -1.27 1.21 66.3062 62.1807 58.2405 -1.24 1.19 62.7992 58.9853 55.3351 -1.22 1.17 59.4984 55.9729 52.5917 -1.20 1.15 56.3905 53.1320 50.0006...
  • Page 19 Functions and Control 24L/H A 9.6976 9.1130 8.5532 -1.56 1.49 9.3163 8.7439 8.1965 -1.60 1.53 8.9521 8.3916 7.8566 -1.64 1.57 8.6040 8.0554 7.5327 -1.68 1.60 8.2713 7.7345 7.2237 -1.73 1.64 7.9531 7.4280 6.9291 -1.77 1.68 7.6489 7.1353 6.6480 -1.81 1.72 7.3580 6.8556 6.3797...
  • Page 20 Functions and Control 24L/H A 1.9461 1.7402 1.5541 -3.70 3.34 1.8856 1.6844 1.5028 -3.75 3.38 1.8272 1.6307 1.4535 -3.80 3.43 1.7709 1.5789 1.4060 -3.86 3.47 1.7166 1.5291 1.3603 -3.91 3.52 1.6643 1.4810 1.3163 -3.97 3.56 1.6138 1.4347 1.2739 -4.02 3.61 1.5650 1.3900 1.2331...
  • Page 21 24L/H A Functions and Control 115.9272 104.8882 94.8149 -1.83 1.67 109.4410 99.1858 89.8106 -1.81 1.66 103.3598 93.8305 85.1031 -1.80 1.64 97.6556 88.7989 80.6728 -1.78 1.63 92.3028 84.0695 76.5017 -1.76 1.62 87.2775 79.6222 72.5729 -1.74 1.60 82.5577 75.4384 68.8710 -1.72 1.59 78.1230 71.5010 65.3815...
  • Page 22 24L/H A Functions and Control 12.2280 11.8126 11.4011 -0.83 0.83 11.7102 11.3267 10.9459 -0.81 0.80 11.2172 10.8634 10.5114 -0.78 0.78 10.7475 10.4216 10.0964 -0.75 0.75 10.3000 10.0000 9.7000 -0.75 0.75 9.8975 9.5974 9.2980 -0.76 0.76 9.5129 9.2132 8.9148 -0.80 0.80 9.1454 8.8465 8.5496...
  • Page 23 24L/H A Functions and Control 2.3815 2.2098 2.0486 -2.40 2.25 2.3068 2.1383 1.9803 -2.45 2.29 2.2347 2.0695 1.9147 -2.49 2.34 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...
  • Page 24 24L/H A Functions and Control 0.6528 0.5820 0.5183 -4.74 4.26 0.6361 0.5667 0.5043 -4.80 4.31 0.6200 0.5518 0.4907 -4.86 4.36 0.6043 0.5374 0.4775 -4.92 4.41 0.5891 0.5235 0.4648 -4.98 4.45 0.5743 0.5100 0.4524 -5.04 4.50 0.5600 0.4968 0.4404 -5.10 4.55 0.5460 0.4841 0.4288...

  • Page 25: System Configuration

    24L/H A 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: Parts And Functions

    24L/H A Parts and Functions Indoor Unit Remote controller 6. HEALTH button Used to set healthy operation. 7. MODE button AUTO COOL HEAT 8. HOUR button Used to set clock and timer setting. 9. SWING button Used to select up or down air sending direction. 10 .

  • Page 27: Operation

    24L/H A Operation Cool Operation Unit start / stop Press ON/OFF button, unit starts or stops. Select temp.setting Remote Operation Display Board Note Controller Mode Under the mode of auto operation, air conditioner will automatically select Cool or Heat operation according AUTO to room temperature.
  • Page 28 Operation POWER/SOFT Operation HEALTH Operation POWER Operation When you need rapid heating or cooling, you can use this function. In COOL mode, fan speed automatically takes high speed of AUTO fan mode. In HEAT mode, fan speed automatically takes medial speed of AUTO fan mode. POWER/SOFT To cancel POWER operation Press POWER/SOFT button twice ,POWER/SOFT disappears.
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  • Page 30: Maintenance

    24L/H A 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 soft and temperature dry cloth.For serious stains,use a neutral detergent diluted with water.Wring the water Do not use water wipe the controller with a dry cloth.Do not use glass cleaner or chemical...
  • Page 31 24L/H A 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: Troubleshooting

    24L/H A 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: Problem Symptoms And Measures

    24L/H A 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 units operates Check the indoor PCB broken...
  • Page 34 Codes and description 24L/H A Trouble shooting Caution Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred. E1: Room temperature sensor failure E2: Heat-exchange sensor failure 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...
  • Page 35 24L/H A E14: Indoor fan motor malfunction Notes: When the unit is on, don’t pull out or insert the terminal of the motor (CN26), or else the motor would be damaged. Turn off power supply and rotate fan by hand Does fan rotate Replace fan motor smoothly?
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  • Page 46: Necessary Tools For Installation

    24L/H A Installation Manual of Room Air Conditioner Read this manual before installation Explain sufficiently the operating means to the user according to this manual. Necessary Tools for Installation 1.Driver 5.Torque wrench(17mm,22mm,26mm) 9.Nipper 12.Reamer 2.Hacksaw 6.Pipe cutter 10.Gas leakage detector or 3.Hole core drill 7.Flaring tool soap-and-water solution...
  • Page 47 24L/H A 184.3 184.3 113.5 113.5 113.5 113.5 Floor fixing dimensions Floor fixing dimensions Floor fixing dimensions of the outdoor unit of the outdoor unit of the outdoor unit (Unit:mm) (Unit:mm) (Unit:mm) PAS24L03-N(T3) HSU-24LEB03(T3) HSU-32LEA13-W HSU-24HEA03(T3) AMS30H03-N(T3) HSU-24LEA03(T3) HSU-24LEA03-T HSU-24HEA13(T3) HSU-30HEA13(T3) HSU-24LEA13(T3) HSU-30HEA03(T3)

  • Page 48: Removing The Wiring Cover

    24L/H A Indoor unit Connecting the indoor/outdoor Electric Cable Removing the wiring cover Remove terminal cover at right bottom corner of indoor unit, then take off wiring cover by removing its screws. When connecting the cable after installing the indoor unit 1.

  • Page 49: Outdoor Unit

    24L/H A Outdoor unit Outdoor unit 1.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. The max vertical distance between the indoor unit and the outdoor unit is 5 m. Half union Flare nut Forced fastening without careful centering...
  • Page 50 24L/H A : http://splitoff.ru/tehn-doc.html...
  • Page 51 24L/H A Wiring Diagrams 10.2 Indoor Up&down step motor Domestic air conditioner : http://splitoff.ru/tehn-doc.html...
  • Page 52 24L/H A 24L A Outdoor NOTE: 1.The parts are optional. 2.Some types may not have the dotted lines. marked with Domestic air conditioner : http://splitoff.ru/tehn-doc.html...
  • Page 53 24L/H A 24H A Outdoor NOTE: 1.The parts are optional. Domestic air conditioner : http://splitoff.ru/tehn-doc.html...

  • Page 54: Circuit Diagrams

    24L/H A 10.3 Circuit Diagrams 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 B4B-XH-A P6_0/TREO P8_4/TRFO11 P8_6 RLS4148 P2_2/TRDIOC0 4.7uF-16V P2_0/TRDIOA0/TRDCLK 4.7uF/16V P0_6/AN1/DA0 R135 P0_7/AN0/DA1 P3_5/SCL/SSCK P4_7/XOUT P3_7/SSO R136 4.7K- 1% P3_6/(INT1) 0.001UF OSC1 P1_2/KI2/AN10...
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