Haier HSU-18HEK03/R2 Service Manual
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Haier HSU-18HEK03/R2 Service Manual

Ek series wall mounted type
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See also: Operating Manual , Installation Manual
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
©
(Qingdao Haier Air Conditioner General corp.,Ltd)
All right reserved .Unauthorized copying and distribution is a violation of law

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Summary of Contents for Haier HSU-18HEK03/R2

  • Page 1 © (Qingdao Haier Air Conditioner General corp.,Ltd) All right reserved .Unauthorized copying and distribution is a violation of law...
  • Page 2 HSU-18HEK03/R2 Removal of Indoorunit 9.2 Removal of Outdoorunit...
  • Page 3 HSU-18HEK03/R2...

  • Page 4: Safety Cautions

    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” items can also lead to serious accidents under some conditions if they are not followed.

  • Page 5: Cautions Regarding Products After Repair

    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 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 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 8: Using Icons List

    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 9 HSU-18HEK03/R2...
  • Page 10 HSU-18HEK03/R2 HSU-18HEK03/R2 16400 18050 4128 4558 1590 1650 3.02 3.21 EER/COP 6.35 12.7 7. 2 7. 2 6. 3 6. 3 0.15 0.15 938x187x265 1016x360x304 10.5 12.5 42/ 39/37 42/ 39/37...
  • Page 11 HSU-18HEK03/R2 Rotary Compressor ASH201SV-C8LU 1730 a68HES-H or EQUIVALENT R410a 1.15 22.8/15.3 25.3/17 992/791 1105/791 axial fan 90.3 91.4 22.5 643x783x255 714X930X340 Cooling Heating Piping Length Indoor: 27°CDB/19°CDB Indoor: 20°CDB 7.5m Outdoor: 27°CDB/19°CDB Outdoor: 7°CDB/6°CDB...

  • Page 12: Printed Circuit Board Connector Wiring Diagram

    HSU-18HEK03/R2 4.Printed Circuit Board Connector Wiring Diagram 4.1 Indoor unit Connectors Indoor PCB 1)CN1connector for transformer input 2)CN2 connector for terminal block. 3)CN3 connector for transformer output 4)CN5” or CN5”(1) connector for up and down step motor. 5)CN6 connector for ambient temp. sensor and piping temp.sensor.

  • Page 21: Functions And Control

    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 -2.16 2.03...
  • Page 22 Functions and control 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 -4.42 3.94 1.2679 1.1188 0.9860 -4.47 3.98...

  • Page 27: System Configuration

    HSU-18HEK03/R2 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...

  • Page 28: Parts And Functions

    HSU-18HEK03/R2 System Configration Parts and Functions 6. FAN button 7 . SLEEP display 8 . FAN SPEED display AUTO ON/OFF 9 . SWING display 10. Operation mode display MODE Operation mode HEAT AUTO COOL SWING Remote controller TIMER 11. LOCK display CLOCK 12.Singal sending display...

  • Page 29: Emergency Operation

    HSU-18HEK03/R2 System Configration Operation Emergency Operation: ON/OFF Use this operation only when the remote controller Remote controller is defective or lost. When the emergency operation switch is MODE pressed,the" Pi "sound is heard once, which means the start of this operation.
  • Page 30 HSU-18HEK03/R2 System Configration Operation Temp.setting Unit stop Before going to bed,you can simply press the SLEEP button and unit will operate in SLEEP mode and bring 1 hr Decreases 2 you a sound sleep. 1 hr Decreases 2 3 hrs...
  • Page 31 HSU-18HEK03/R2 System Configration Operation parliament, herewith we inform the consumer about the dis- posal requirements of the electrical and electronic products. DISPOSAL REQUIREMENTS: Your air conditioning product is marked with this symbol.This means that electrical and electronic Set clock correctly before starting TIMER operation.

  • Page 32: Maintenance

    HSU-18HEK03/R2 System Configration Maintenance 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, use a neutral detergent diluted with Do not usewater,wipe the controller water.Wring the water out of the...
  • Page 33 HSU-18HEK03/R2 System Configration 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,...

  • Page 34: Troubleshooting

    HSU-18HEK03/R2 System Configration Cautions Trouble shooting grille of the air Do not obstruct or cover the ventilation conditoner.Do not put fingers or any other things into the inlet/outlet and swing louver. Do not allow children to play with the air conditioner .In no...
  • Page 36 Be sure to turn off power switch before connect or disconnect connector, else parts damage may be occurred. Whether terminal CN6 on Pull out the terminals on the indoor mainboard and indoor PCB contact wellt? reinsert them Correct the connection Pull the sensor out of the mainboard Measure the value of resistance Between its two jumpers...
  • Page 38 Whether terminal CN8 and Pull out and reinsert the terminals CN9 on indoor PCB well inserted or not? Electrify the machine again and turn it on in the cooling operation, Measure voltage between the positions red wire and black wire of Terminal CN9 on the indoor PCB The voltage is about The indoor pcb is damaged and need replace 90-200vac...

  • Page 39: Installation

    HSU-18HEK03/R2 Installation 8.Installation 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...

  • Page 40: Indoor Unit

    HSU-18HEK03/R2 Installation 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 41: Outdoor Unit

    HSU-18HEK03/R2 Installation Outdoor unit Installation of Outdoor Unit Drawing for the installation of indoor and outdoor units Install according to 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 42 HSU-18HEK03/R2 Installation 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.
  • Page 43 HSU-18HEK03/R2 Removal Procedure Removal of indoorunit...
  • Page 45 HSU-18HEK03/R2 Removal Procedure Open the front panel until it is on the horizontal position, and then release the pivots on both sides of the unit to remove the front panel. Please close the panels before start the removal procedure of front grille.
  • Page 46 HSU-18HEK03/R2 Removal Procedure HOOKS three...
  • Page 47 HSU-18HEK03/R2 Removal Procedure flap flap flap flap...
  • Page 48 HSU-18HEK03/R2 Removal Procedure...
  • Page 49 HSU-18HEK03/R2 Removal Procedure...
  • Page 50 HSU-18HEK03/R2 Removal Procedure...
  • Page 51 HSU-18HEK03/R2 Removal Procedure...
  • Page 52 Removal Procedure...
  • Page 53 HSU-18HEK03/R2 Removal Procedure...
  • Page 54 Removal Procedure...
  • Page 55 HSU-18HEK03/R2 9.2 Removal of Outdoorunit...
  • Page 59 HSU-18HEK03/R2...
  • Page 60 HSU-18HEK03/R2...
  • Page 61 HSU-18HEK03/R2...
  • Page 63 HSU-18HEK03/R2...

  • Page 65: Piping Diagrams

    Appendix 10. Appendix 10.1 Piping Diagrams...
  • Page 69 H-heat pump Nominal cooling capacity (18000BTU/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 70 HSU-18HEK03/R2 Zhang Jing...

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