Haier HSU-22H03/R2DB Service Manual
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Haier HSU-22H03/R2DB Service Manual

Domestic air conditioner
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See also: Operatiing Manual , Operating Manual
Domestic Air Conditioner

SERVICE MANUAL

l Features
l Comfortable:wide -angle airflow
l health air purifying
l quiet operation
energy efficient
l
Serial Number:
Version:00.00
1
Models
HSU-22H03/R2(DB)
Edition: 2005-11-16

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Summary of Contents for Haier HSU-22H03/R2DB

  • Page 1: Service Manual

    Domestic Air Conditioner SERVICE MANUAL Models HSU-22H03/R2(DB) l Features l Comfortable:wide -angle airflow l health air purifying l quiet operation energy efficient Serial Number: Version:00.00 Edition: 2005-11-16...

  • Page 2: Table Of Contents

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) Content 1. Description of product model coding and series introduction--3 2. Specifications -------------------------------------------------------------6 3. Curves of performance of compressor-------------------------------8 4. Description, net dimensions and functions of main component s and accessories------------------------------------------------------------10 5. Knock-down drawings and part lists ---------------------------------13 6.
  • Page 3 Domestic Air Conditioner Model: HSU-22H03/R2(DB) DESCRIPTION OF PRODUCT MODEL CODING & SERIES INTRODUCTION...
  • Page 4 The structure code of indoor & outdoor unit: S(wall-mounted),W(window type),P (cabinet type) H-Abbreviation of Haier Examples: HSU-22H03/R2(DB) represents wall-mounted split type heat pump DC inverter air conditioner . The cooling capacity is 22000BTU/h and the power supply is 230V/50Hz and "R2"...

  • Page 5: Description Of Product Model Coding And Series Introduction--3

    Domestic Air Conditioner Model:HSU-22H03/R2(DB) Description of product model coding and series introduction Standard Situation/Conditions indoor air status outdoor air status Operating condition Norminal cooling Norminal heating Not control Norminal electrical heating C.Series brief introduction 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.

  • Page 6: Specifications

    Domestic Air Conditioner Model:HSU-22H03/R2(DB) Specifications...
  • Page 7 Domestic Air Conditioner Model: HSU-22H03/R2(DB) Air Conditione Model: Domestic HSU-22H03/R2(DB) Specifications Model: HSU-22H03/R2(DB) Heating capacity(W) Cooling capacity(W) 6000(720-6300)W 6200W(1080-7750)W Cooling coefficient (W/W) 3.03 Heating coefficient(W/W) 3.01 Cooling power input (W) 1980(310-2450)W Heating power input(W) 2060W(430-2600)W Moiture removal (m/h) 2.3 X10 Frequency range(Hz) Operating voltage range V( ) Refrigerant type...

  • Page 8: Curves Of Performance Of Compressor

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) Curves of performance of compressor Curves of performance of compressor Curves of performance of compressor...
  • Page 9 Domestic Air Conditioner Model:HSU-22H03/R2(DB) Curves of cooling capacity and heating capacity as a function of outdoor temperature C~43...

  • Page 10: Description, Net Dimensions And Functions Of Main Component S And Accessories

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) Description,dimensions and functions of main components and accessories...
  • Page 11 Domestic Air Conditioner Model: HSU-22HV03/R2(DB) Test running switch(manual) Used only for test running in cooling Inlet grille when room temp. is below 16 Don't use it in normal operation. Emergency switch(manual) Used when remote controller is lost or defective. Unit will run temporarily. Remote signal receiver Air filter A beeping sound is generated when...
  • Page 12 Domestic Air Conditioner Model: HSU -22H03/R2(DB) Indoor unit for HSU-22H03/R2(DB) NET DIMENSIONS: NET DIMENSIONS: outdoor unit for HSU-22H03/R2(DB) 113.5...

  • Page 13: Knock-Down Drawings And Part Lists

    Domestic Air Conditioner Model:HSU-22H03/R2(DB) Knock-down drawings and part lists...
  • Page 14 Domestic Air Conditioner Model: HSU-22H03/R2(DB)
  • Page 15 Domestic Air Conditioner HSU-22H03/R2(DB) No. in The proportion Spare parts Spare parts description Failure explode Model Qty. of the spare remark number in english rate d view part stock 0010807073 Indoor elecrtic box HSU-22H03/R2(DB) 0010403617 HSU-22H03/R2(DB) 001A0600287 Riever HSU-22H03/R2(DB) 001A1431717 Motor cover HSU-22H03/R2(DB) 001A3900059...
  • Page 16 Domestic Air Conditioner Model: HSU-22H03/R2(DB) KNOCK-DOWM DRAWINGS FOR OUTDOOR UNIT...
  • Page 17 Domestic Air Conditioner Model: HSU-22H03/R2(DB) Edition:2005/11/16 No. in The proportion Spare parts description in Failure exploded Spare parts number Model of the spare Remark english rate(%) view part stock 001A1303126A Front grille HSU-22H03/R2(DB) outdoor 001A1101038 Front panel HSU-22H03/R2(DB) outdoor 001A2331024 Axial fan HSU-22H03/R2(DB) outdoor...

  • Page 18: Brief Introduction To Electrical Control Functions

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) Brief introduction to electrical control functions...
  • Page 19 Domestic Air Conditioner Model: HSU-22H03/R2(DB) One. Basic Control 1. Function Display Lights up when unit starts.Lights up when Timer operation is selectedn £ » 2. Temperature Adjustment Function In temperature adjustment function, operation frequency of outdoor unit is determined based on indoor temperature and set temperature. During wind speed adjustment, indoor fan PI£...
  • Page 20 Domestic Air Conditioner Model: HSU-22H03/R2(DB) Two. Operation Mode: 1. Half-automatic Operation Mode Half-automatic function is based on original automatic function. a. Cooling & Heating Model Unit When system is on and operation mode switches to automatic, the system will determine operation mode based on the difference of current set temperature and room temperature and will start operation as per mode determined.
  • Page 21 Domestic Air Conditioner Model: HSU-22H03/R2(DB) * In case change of set temperature by remote control meets the condition of unit shut down or unit is powered off manually, the operation is not restricted by the 2-minute non-response feature and the unit will shut down immediately. 3.Dehumidification Mode: *Temperature Control Range:16---30¡...
  • Page 22 Domestic Air Conditioner Model: HSU-22H03/R2(DB) feature. *In case change of set temperature by remote control meets the condition of unit shut down or unit is powered off manually, the operation is not restricted by the 2-minute non-response feature and will shut down immediately. *Anti Current Surge: External fan starts 2s after compressor is on.
  • Page 23 Domestic Air Conditioner Model: HSU-22H03/R2(DB) Time count starts based on time difference between timing clock and current clock. Time off may be set and operation will stop when unit receives time off signal. Timed on may be set and operation will start when unit receives time on signal. Timed on/off may be set, which will be performed as per set sequence.
  • Page 24 Domestic Air Conditioner Model: HSU-22H03/R2(DB) ¢ Ú Rated Heating a Entry Condition: The unit will enter rated heating upon receipt of remote control signal. b Indoor unit will operate as per the following procedures when entering rated heating mode: Air fan will enter manual high wind (or rated wind) operation, panel will display heating and rated data signal is in communication.
  • Page 25 Domestic Air Conditioner Model: HSU-22H03/R2(DB) One. System Major Function Sensor Code Definition: Tai= Indoor Ambient Temperature, Tao=Outdoor Ambient Temperature, Tc1=Indoor Coil, Td= Air Discharge, Te= Outdoor Coil, Ts=Air Intake 1.1: Outdoor Unit Operation Frequency and Control 1.1.1: Compressor Operation Frequency Control Compressor Operation Frequency Range: Outdoor Temperature ~0¡...
  • Page 26 Domestic Air Conditioner Model: HSU-22H03/R2(DB) Above 15¡ æ Low Wind Low Wind High Wind Below 15¡ æ Low Wind High Wind High Wind 1.3: Four-way Valve Control Defrosting Four-way Valve Control£ ¬ (please see defrosting process for details) Time sequence of the defrosting operation is as follows: Compressor Outdoors fan motor Four-way valve...
  • Page 27 Domestic Air Conditioner Model: HSU-22H03/R2(DB) When one of the following conditions is met, defrosting operation will be switched to heating operation. £ ¨ 1£ © :Temperature of outdoor heat exchanger exceeds 7 ¡ æ for 80s continuously £ ¨ 2£ © :Temperature of outdoor heat exchanger exceeds 12 ¡...
  • Page 28 Domestic Air Conditioner Model: HSU-22H03/R2(DB) Q: Maintain the previous instruction cycle. R: Rise at the speed of 1Hz/10s If TC>=65¡ æ £ ¬ and continues for 5s£ ¬ the unit will shutdown, outdoor fault indicator lamp will blink and fault will not be reported to indoor unit.¡ £ When compressor shutdown exceeds 3 minutes, and TC<48¡...
  • Page 29 Domestic Air Conditioner Model: HSU-22H03/R2(DB) 3. Forced Cooling: When receiving indoor forced cooling signal, cooling operation will start in a frequency signaled by indoor unit. Only air discharge temperature and overcurrent protection features are effective and other protection features are invalid. 4.

  • Page 30: Wiring Diagram

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) Wiring diagram...
  • Page 31 Domestic Air Conditioner Model: HSU-22H03/R2(DB)
  • Page 32 Domestic Air Conditioner Model: HSU-22H03/R2(DB) Wiring diagram of outdoor unit 0010556830 WARNING CAUTION DON'T TOUCH CAPACITOR, EVEN AFTER PLUG-OFF ( DANGER OF ELECTRIC SHOCK) R(Y) R(Y) The capacitor retains high voltage even after the plug-off. COMPRESSOR For your safety, be sure to wait SPDU N(-) P(+)

  • Page 33: Circuit Diagram

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) CIRCUIT DIAGRAM...
  • Page 34 Domestic Air Conditioner Model: HSU-22H03/R2(DB)
  • Page 35 Domestic Air Conditioner Model: HSU-22H03/R2(DB) 275-104 25V-10UF 275V-103 12V/0.5W 4148 +12V +310V µçÔ´ µ÷ËÙ Ëٶȷ´À¡ 1N4007 400V/680U 400V/680U 400V/680U 220K 220K...

  • Page 36: Abnormity Diagnosis

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) ABNORMITY DIAGNOSIS...
  • Page 37 Domestic Air Conditioner Model: HSU-22H03/R2(DB) HSU-18H03/R2(DB) Fault display code HSU-18H03/R2(DB) Fault display code Fault codes Faulty Points Fault codes Faulty Points Power Timing Running Indoor Outdoor Resumable Power Timing Running Indoor Outdoor Resumable Faulty indoor thermistor Blinking Sensor in short or broken current Faulty indoor thermistor Blinking Sensor in short or broken current...

  • Page 38: Trouble Shooting

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) TROUBLE SHOOTING...
  • Page 39 Domestic Air Conditioner Model: HSU-22H03/R2(DB)

  • Page 40: Refrigerating Cycle Diagram

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) REFRIGERATING CYCLE DIAGRAM...
  • Page 41 Domestic Air Conditioner Model: HSU-22H03/R2(DB) Refrigerating cycle diagram...

  • Page 42: Noise Level Test Chart And Air Velocity Distribution

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) Noise level test chart and air velocity distribution...
  • Page 43 Domestic Air Conditioner Model: HSU-22H03/R2(DB) Noise level test chart and air velocity distribution Noise level test chart 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz indoor outdoor...

  • Page 44: Air Velocity Distribution

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) Noise level test chart and air velocity distribution Air velocity distribution Air velocity distribution unit m/s Fig 1 top view flow control panel horizal 0.25 lourer:center unit m/s 0.5 0.25 Fig 2 top view flow control panel horizal lourer:right and left 0.25 unit m/s...

  • Page 45: Installation Manual

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) Installation manual...

  • Page 46: Installation Manual Of Room Air Conditioner

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) 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...

  • Page 47: Indoor Unit

    Domestic Air Conditioner Model: HSU-22H03/R2(DB) Floor fixing dimensions of the outdoor unit (Unit:mm) HSU-22H03/R2(DB) Fix the unit to concrete or block with bolts( 10mm) and nuts firmly and horizontally. Fixing of outdoor unit When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in consideration of earthquake and strong wind.
  • Page 48 Indoor unit 1.Fitting of the Mounting Plate and Positioning of the wall Hole When the mounting plate is first fixed 1.Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against the wall, then temporarily fasten the plate with one steel nail. 2.

  • Page 49: Installation Of The Indoor Unit

    Indoor unit 3.Installation of the Indoor Unit Drawing of pipe Rear piping Draw pipes and the drain hose, then fasten them with the adhesive tape Left Left-rear piping In case of left side piping, cut away, with a nipper, the lid for left piping. In case of left-rear piping, bend the pipes according to the piping direction to the mark of hole for left-rear piping which is marked on heat insulation materials.

  • Page 50: Connecting The Indoor/Outdoor Electric Cable

    Indoor unit 4.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. Insert from outside the room cable into left side of the wall hole, in which the pipe has already existed.

  • Page 51: Installation Of Outdoor Unit

    Outdoor unit 1.Installation of Outdoor Unit Drawing for the installation of indoor and outdoor units Install according to 2.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 52 Outdoor unit 5.Purging Method:To use vacuum pump Liquid Side 6.35mm(1/4") 2-way valve 2-way valve Gas Side 12.7mm(3/8") 3-way valve Detach the service port's cap of 3-way valve, the valve rod's cap for 2-way valve and 3-way's, connect Gaugemanifold(for R410A) the service port into the projection of charge hose Anti countercurrent joint (low) for gaugemanifold.
  • Page 53 1.Power Source Installation The power source must be exclusively used for air conditioner. (Over I0A) In the case of installing an air conditioner in a moist place, please install an earth leakage breaker. For installation in other places, use a circuit breaker as far as possible. 2.Cutting and Flaring Work of Piping Pipe cutting is carried out with a pipe cutter and burs must be removed.
  • Page 54 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...

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