Haier HFU-09H03/R2(DB) Service Manual
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Haier HFU-09H03/R2(DB) Service Manual

Domestic
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Domestic Air Conditioner

SERVICE MANUAL

Models
HFU-09H03/R2(DB)
HFU-12H03/R2(DB)
Features
International well-known compressor,economic and convenience.
Novelty appearance,beautiful and generous.
Anti-fungus filtration, multi-layer of fresh air.
Powerful operation,adjust temperature quickly.
CFC free refrigerant for environmental protection.
Serial Number: 0010540329
Version n : 0 4 . 0 0
Edition: 2004-12-24

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Summary of Contents for Haier HFU-09H03/R2(DB)

  • Page 1: Service Manual

    Domestic Air Conditioner SERVICE MANUAL Models HFU-09H03/R2(DB) HFU-12H03/R2(DB) Features International well-known compressor,economic and convenience. Novelty appearance,beautiful and generous. Anti-fungus filtration, multi-layer of fresh air. Powerful operation,adjust temperature quickly. CFC free refrigerant for environmental protection. Serial Number: 0010540329 Version n : 0 4 . 0 0 Edition: 2004-12-24...

  • Page 2: Table Of Contents

    Domestic Air Conditioner Model: HFU-09H03/R2(DB) HFU-12H03/R2(DB) Content 1. Description of product model coding and series introduction--3 2. Specifications -------------------------------------------------------------5 3. Curves of performance---------------------------------------------------8 4. Description,net dimensions and functions of main components and accessories------------------------------------------------------------12 5. Knock-down drawings and part lists---------------------------------15 6. Brief introduction to electrical control functions-------------------22 Wiring diagram ----------------------------------------------------------34 Circuit diagram------------------------------------------------------------ 36...
  • Page 3 Domestic Air Conditioner Model: HFU-09H03/R2(DB) HFU-12H03/R2(DB) Features 1.comfortable:wide-angle airflow The vertical dual-flap and horizontal wide-angle louvers ensure the cool(warm air reaches every corner of the room. 2.Quiet operation Fan With Random-pitched Blades. Random-pitched blades help reduce operating noise while maintaining a high airflow rate. 3 .Engergy efficient The design of inner-grooved copper tube greatly increases the refrigerant contact area and the efficiency of cooling/heating functions.

  • Page 4: Description Of Product Model Coding And Series Introduction--3

    HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Description of product model coding and series introduction...
  • Page 5 The structure code of indoor & outdoor unit: S(wall-mounted),W(window type),P (cabinet type) H-Abbreviation of Haier Examples: H2SM-18HS03/R2,It represents wall-mounted split type heat pump air conditioner .The cooling capacity is 18000BTU/h,and the power supply is 220-230V/50Hz,”S” means the developing sequence,"2"means one by two,and"R2"...

  • Page 6: Specifications

    HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Specifications...

  • Page 7: Hfu-09H03/R2(Db)

    HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Model: HFU-09H03/R2(DB) Cooling capacity(W) 2800 Heating capacity(W) 3150 Cooling coefficient(W/W) Heating coefficient(W/W) 3.46 3.62 Cooling power input(W) Heating power input(W) Moiture removal(m /h) Frequency range(Hz) 1.0X10 Operating voltage range (V) 220-230 ~ Refrigerant type R410A Operating temp.
  • Page 8 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Model: HFU-12H03/R2(DB) Cooling capacity(W) 3900 Heating capacity(W) 4100 Cooling coefficient(W/W) Heating coefficient(W/W) 3.51 3.42 Cooling power input(W) 1110 Heating power input(W) 1200 Moiture removal(m /h) Frequency range(Hz) 1.3X10 Operating voltage range (V) 220-230 ~ Refrigerant type R410A Operating temp.

  • Page 9: Curves Of Performance

    HFU-09H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Model: Curves of performance...
  • Page 10 HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) Curves of cooling capacity and heating capacity as a function of outdoor temperature C~43...
  • Page 11 Domestic Air Conditioner Model: C-6RZ092H1A CURVES OF CAPACITY AND POWER INPUT. COOLING CAPACITY Cooling 1244 2321 2833 3983 4502 5565 6246 COOLING CAPACITY 8000 6000 4000 2000 Power Input Power Input 1109 1465 1605 Power Input 2000 1500 1000...
  • Page 12 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-09H03/R2(DB) Curves of compressor performance Compressor: DA89XIC-20FZ DA89X1C-20FZ Model:HFU-09H03/R2(DB) SUCTION GAS TEMP UNDER COOL Ambient temp 60.0 60.0 55.0 50.0 45.0 1200 60.0 1000 55.0 50.0 45.0 4000 45.0 50.0 3500 55.0 60.0 3000 2500 2000 1500 1000...
  • Page 13 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Description,dimension and function of main components and accessories...

  • Page 14: Parts And Functions

    Parts and Functions Indoor unit 1.OUTLET 2.CONTROL PANEL 3.INLET 4.FILTER (inside) 5.OUTLET Outdoor unit INLET CONNECTING PIPING AND ELECTRICAL WIRING OUTLET DRAIN HOSE...
  • Page 15 HFU-09H03/R2(DB) HFU-12H03/R2(DB) Indoor unit for HFU-09H03/R2(DB) HFU-12H03/R2(DB) NET DIMENSIONS:...
  • Page 16 HFU-09H03/R2(DB) HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) HFU-12H03/R2(DB) Knock-down drawings...
  • Page 17 HFU-09H03/R2(DB) Domestic Air Conditioner HFU-12H03/R2(DB) KNOCK-DOWN DRAWINGS FOR INDOOR UNIT...
  • Page 18 HFU-09H03/R2(DB) Domestic Air Conditioner HFU-12H03/R2(DB) KNOCK-DOWN DRAWINGS FOR OUTDOOR UNIT...
  • Page 19 Model: HFU-09H03/R2 DB NO. In Part exploded Name of part specialized Model QTY. remark view code Front grille 0010800954 indoor unit HFU-09H03/R2 DB Air purifying filter 0010201169 indoor unit HFU-09H03/R2 DB Button 0010201288 indoor unit HFU-09H03/R2 DB Front panel 0010800923 indoor unit HFU-09H03/R2 DB Heat exchanger...
  • Page 20 Model: HFU-12H03/R2 DB NO. In Part exploded Name of part specialized Model QTY. remark view code Front grille 0010800954 1.00 indoor unit HFU-12H03/R2 DB Air purifying filter 0010201169 HFU-12H03/R2 DB 1.00 indoor unit Button 0010201288 1.00 indoor unit HFU-12H03/R2 DB Front panel 0010800923 1.00...
  • Page 21 Domestic Air Conditioner Model: HFU-09H03/R2(DB) Edition:2005/03/14 No. in Spare parts Spare parts description in english Model Failure The proportion remark explode number rate of the spare part d view stock 001A0100017 Front grille HFU-09H03/R2(DB) 001A1101009 Front panel HFU-09H03/R2(DB) 0010203662 HFU-09H03/R2(DB) 0010403487 Motor HFU-09H03/R2(DB)
  • Page 22 Domestic Air Conditioner Model: HFU-12H03/R2(DB) Edition:2004/09/20 No. in Spare parts Spare parts description in english Model Failure The proportion remark exploded number rate of the spare view part stock 001A0100017 Front grille HFU-12H03/R2(DB) 001A1101009 Front panel HFU-12H03/R2(DB) 0010203662 HFU-12H03/R2(DB) 0010403508 Motor HFU-12H03/R2(DB) 0010100419...

  • Page 23: Brief Introduction To Electrical Control Functions

    HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Brief introduction to electrical control function...
  • Page 24 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Introduction to electrical control function Including brief introduction to air conditioners of series models and electrical control function as well as the technical information. 1.1 Brief introduction to electrical function 1.1.1 Status conversion As the following figure: Press Emergency 10-15 Unit stops Malfunction meter...
  • Page 25 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) 1.1.2 Cooling running 1.1.2.1 Air volume control under cooling running (Cool compensation temp. – 0.33 C) When setting manual control, wind speed will run accord to the setting value during compressor running, and run in the speed of setting value minus 60rpm during compressor stopping.
  • Page 26 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) 1.1.3.2 Compressor control under dehumidification running 1.1.3.2.1 When running in normal status, control of compressor frequency: Temperature difference ( T> 4.3 T -1 T < -1 Compressor Maximum frequency (Hz) High frequency Mid. frequency Low frequency stop 1.1.3.2.2...
  • Page 27 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) 1.1.4.2 Compressor control under heating running 1.1.4.2.1 When runnin g in normal status, control of co mpressor frequency: Temperature difference ( T> 4.3 T -1 T < -1 Compressor Maximum frequency (Hz) High frequency Mid.
  • Page 28 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Pressing emergency button 5-10 seconds and buzzer sounding twice, then starts. 1.1.6.1.2 Running status When in trial running, the display frequency of compressor is 58Hz, running mode is cool, compressor keeps on running for 30 minutes and will not be restricted by low-load protection (refer to protection function). 1.1.6.1.3 Finishing conditions Trial running will stop when remote control or emergency signal is received.
  • Page 29 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Indoor coil pipe temperature sensor type: R (25º C)=10K uring cooling-dehumidification running, low-load protection is carried out according to indoor coil-pipe temperature; whereas, th e displayed frequency is “ 58Hz” . The minimum freque ncy is displayed when indoor coil- pipe temperature is lower than 2º...
  • Page 30 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) 1.1.7.3 Compressor discharg e temperature protection hen air conditioner is running, the discharge temperature need not to be detected within the first 10 minutes and tarts to detect after 10 minutes. If the detected temperature is found too high, the compressor shall be protected om damaging by decreasing frequency or stopping, see the following figure for details: 20º...
  • Page 31 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) and alarms. 1.1.7.6 Overhigh temp erature protection of the outdoor computer board If the tem perature of t he outdoor compute r board is too high, the system will reduce the frequency or stop the compressor to protect other components on the computer board from damaging, see the following figure for details: 75º...
  • Page 32 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) It is regarded as transmission abnormity after outdoor unit receives the signal of transmission abnormity. ansmission abnormity is released by running stopping. .8.7 EEPROM hen power on, EEPROM is abnormal if the control parameters and the checking total a mount are not identical.
  • Page 33 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Parameter list of the main components Indoor Outdoor Name Type Unit Remarks unit unit Optical coupler TLP371 Piece Optical silicon TLP3526 Piece controlled rectifier Rectifying bridge S15VB60 (15A 600V) Piece Rectifying bridge SINB60 Piece Power module TM-03 Piece...
  • Page 34 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) the appeared abnormal p henomena, please refer to the following table for trouble analysis and troubleshooting: List of error code: Error display Autom c Abnormity mode Indoor Outdoor Possible reason restore ning Abnormity of indoor 1.
  • Page 35 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) It is regarded as transmission abnormity after outdoor unit receives the signal of transmission abnormity. ansmission abnormity is released by running stopping. .8.7 EEPROM hen power on, EEPROM is abnormal if the control parameters and the checking total a mount are not identical.
  • Page 36 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) OUTDOOR UNIT PART Chapter I: Indoor Unit and Main board for Outdoor Unit Notice: During operations under any mode, if short circuit, open circuit and other malfunctions of the temperature sensors are detected, the main engine should come to a halt immediately.
  • Page 37 HFU-12H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Domestic Air Conditioner Model: Model: HFU-09H03/R2(DB) HFU-09H03/R2(DB) 4.Heating mode 4.1.The four-way valve is electrified 2 seconds after the compressor is electrified 4.2.Malfunctions of the discharge temperature sensor will not be tested within five minutes after the compressor is started 4.3.Outdoor fan motor control: The fan motor starts five seconds after the compressor starts, switching conditions for the two gears of wind volume are as follows:...
  • Page 38 HFU-12H03/R2(DB) Domestic Air Conditioner Model: HFU-09H03/R2(DB) halts during the defrosting stage, remain still for 30 seconds, then conducts defrosting operation if it is still within the defrosting stage, the compressor starts according to the demand of the startup of the defrosting compressor.
  • Page 39 HFU-12H03/R2(DB) Domestic Air Conditioner Model: HFU-09H03/R2(DB) and the outdoor fan motor returns to its original state; The above temperature points, frequency-decreasing step and time interval can all be adjusted through EEPROM III. Anti over-loading operation while heating: 5.3.When the operation frequency F 40HZ, if the temperature of the outdoor coiled pipe T 52 , the outdoor fan motor performs forced high-speed outdoor coil...

  • Page 40: Wiring Diagram

    HFU-12H03/R2(DB) Domestic Air Conditioner HFU-09H03/R2(DB) Model: WIRING DIAGRAM...
  • Page 41 HFU-12H03/R2(DB) Domestic Air Conditioner Model: HFU-09H03/R2(DB)
  • Page 42 HFU-12H03/R2(DB) Domestic Air Conditioner Model: HFU-09H03/R2(DB) WIRING DIAGRAM OF OUTDOOR UNIT WARNING CAUTION COMPRESSOR DON'T TOUCH CAPACITOR, EVEN AFTER PLUG-OFF ( DANGER OF ELECTRIC SHOCK) SPDU The capacitor retains high voltage even after the plug-off. For your safety, be sure to wait at least 5 minutes.

  • Page 43: Circuit Diagram

    HFU-12H03/R2(DB) Domestic Air Conditioner Model: HFU-09H03/R2(DB) CIRCUIT DIAGRAM...
  • Page 44 ••• ••••• •••• ••••••...
  • Page 45 HFU-12H03/R2(DB) Domestic Air Conditioner Model: HFU-09H03/R2(DB) OUTDOOR UNIT:...

  • Page 46: Abnormity Diagnose

    HFU-12H03/R2(DB) Domestic Air Conditioner Model: HFU-09H03/R2(DB) ABNORMITY DIAGNOSE...
  • Page 47 HFU-12H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Domestic Air Conditioner Model: Model: HFU-09H03/R2(DB) HFU-09H03/R2(DB) OUTDOOR UNIT PART .LED output: Twinkling times of Possible cause of the malfunction Outdoor temperature sensor abnormity Outdoor defrosting sensor abnormity Compressor discharge temperature abnormity High compressor discharge temperature Indoor-outdoor communication abnormity Abnormal communication to IPDU module E2PROM data abnormity...

  • Page 48: Trouble Shooting

    HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Model: Model: Model: Model: Model: Model: HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) TROUBLE SHOOTING...
  • Page 49 HFU-12H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Domestic Air Conditioner Model: Model: HFU-09H03/R2(DB) HFU-09H03/R2(DB) 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.

  • Page 50: Refrigerating Cycle Diagram

    HFU-12H03/R2(DB) Domestic Air Conditioner Model: HFU-09H03/R2(DB) REFRIGERATING-CYCLE DIAGRAM...
  • Page 51 HFU-12H03/R2(DB) Domestic Air Conditioner Model: HFU-09H03/R2(DB)

  • Page 52: Noise Level Test Chart And Air Veloc Ity Distribution

    HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Model: Model: Model: Model: Model: Model: HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) NOISE LEVEL TEST CHART &...
  • Page 53 HFU-09H03/R2(DB) Domestic Air Conditioner Model: HFU-12H03/R2(DB) Noise level test chart...
  • Page 54 HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Model: Model: Model: Model: Model: HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB)

  • Page 55: Installation Manual

    HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Model: Installation manual...

  • Page 56: Installation Manual Of Room Air Conditioner

    HFU-09H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Model: Installation Manual of Room Air Conditioner Tool necessary 1.Screw driver 2.Hacksaw 3.70mm dia. hole core drill Shape and description 4.Spanner(dia.17,27mm) 5.Spanner(14,17,27mm) Remote controller 6.Pipe cutter 7.Flaring tool Drain hose 8.Knife 9.Nipper Refrigerant oil 10.Gas leakage detector Putty or soap water 11.Measuring tape...
  • Page 57 HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Domestic Air Conditioner Domestic Air Conditioner Model: Model: Model: Installation Manual of Room Air Conditioner 3. Piping connection Connecting method Apply refrigerant oil at half union and flare nut. To bent a pipe, give the roundness as large as possible not to crash the pipe.
  • Page 58 HFU-09H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Domestic Air Conditioner Model: Model: Installation Manual of Room Air Conditioner 3. Piping connection of the outdoor unit Connecting the connecting pipe and inlet and outlet liquid pipe according to the piping method Liquid Side Gas Side Purging Method: 6.35mm(1/4")
  • Page 59 HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-09H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) HFU-12H03/R2(DB) Domestic Air Conditioner Model: Installation Manual of Room Air Conditioner Note: When additional refrigerant is necessary, first purge air out of connecting pipe by external gas, then drive out the excessive refrigerant by purging method.. Brand new unit is charged 80g more refrigerant than spec.
  • Page 60 Domestic Air Conditioner Model: Installation Manual of Room Air Conditioner Others 1. Power supply Air conditioner must use an exclusive line(over 20A) and there is not power plug with this type, the type of power supply wire is HF05VV-3G2.5mm When installation air conditioner in a wet place, try to use a circuit breaker against current leakage.
  • Page 61 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...

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