Haier HSU-07HV03/R2 Service Manual
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Haier HSU-07HV03/R2 Service Manual

Haier HSU-07HV03/R2 Service Manual

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See also: Operating Manual , Installation Manual

SERVICE MANUAL

Air Conditioners
THIS MANUAL IS USED BY
QUALIFIED APPLIANCE
TECHNICIANS ONLY. HAIER
DOES NOT ASSUME ANY
RESPONSIBILITY FOR PROPERTY
DAMAGE OR PERSONAL INJURY
FOR IMPROPER SERVICE
PROCEDURES DONE BY ONE
UNQUALIFIED PERSON.
Air Conditioner
CAUTION
READ THIS MANUAL CAREFULLY TO
DIAGNOSE TROUBLE CORRECTLY
BEFORE OFFERING SERVICE .
MODEL: HSU-07HV03/R2
MODEL: HSU-
HSU-09HV03/R2
HSU-12HV03/R2
HSU-18HV03/R2
HSU-22HV03/R2
Edition:2006/1/10
REVISION 0

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Summary of Contents for Haier HSU-07HV03/R2

  • Page 1: Service Manual

    Edition:2006/1/10 CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE . SERVICE MANUAL Air Conditioners MODEL: HSU- MODEL: HSU-07HV03/R2 HSU-09HV03/R2 HSU-12HV03/R2 HSU-18HV03/R2 HSU-22HV03/R2 THIS MANUAL IS USED BY QUALIFIED APPLIANCE TECHNICIANS ONLY. HAIER DOES NOT ASSUME ANY...
  • Page 2 Air Conditioner Air Conditioner Air Conditioner Edition:2006/1/10 Edition:2006/1/10 Edition:2006/1/10 MODEL: HSU-07HV03/R2 IMPORTANT INFORMATION Features Comfortable: wide-angle airflow health air purifying quiet operation super energy efficient Main Specification 2300W Cooling Capacity 680W/3.0A Rated Power/Current(cooling) EER: 3.38 2500W Heating Capacity Rated Power/Current(heating): 690W/3.1A COP: 3.62...

  • Page 3: Important Information

    Air Conditioner Air Conditioner Air Conditioner Edition:2006/1/10 Edition:2006/1/10 Edition:2006/1/10 MODEL: HSU-09HV03/R2 IMPORTANT INFORMATION Features Comfortable: wide-angle airflow health air purifying quiet operation super energy efficient Main Specification 3000W Cooling Capacity 860W/3.5A Rated Power/Current(cooling) EER: 3.49 3000W Heating Capacity Rated Power/Current(heating): 830W/3.5A COP: 3.61 Air Volume(Indoor): 420m Power: 1PH 220-230V~ 50 Hz...
  • Page 4 Air Conditioner Air Conditioner Air Conditioner Edition:2006/1/10 Edition:2006/1/10 Edition:2006/1/10 MODEL: HSU-12HV03/R2 IMPORTANT INFORMATION Features Comfortable: wide-angle airflow health air purifying quiet operation super energy efficient Main Specification 4000W Cooling Capacity 1200W/5.0A Rated Power/Current(cooling) EER: 3.33 4200W Heating Capacity Rated Power/Current(heating): 1160W/5.8A COP: 3.62 Air Volume(Indoor): 450m Power: 1PH 220-230V~ 50 Hz...
  • Page 5 Air Conditioner Air Conditioner Air Conditioner Edition:2006/1/10 Edition:2006/1/10 Edition:2006/1/10 MODEL: HSU-18HV03/R2 IMPORTANT INFORMATION Features Comfortable: wide-angle airflow health air purifying quiet operation super energy efficient Main Specification 5000W Cooling Capacity 1555W/6.9A Rated Power/Current(cooling) EER: 3.22 5500W Heating Capacity Rated Power/Current(heating): 1525W/6.8A COP: 3.61 Air Volume(Indoor): 750m Power: 1PH 220-230V~ 50 Hz...
  • Page 6 Air Conditioner Air Conditioner Air Conditioner Edition:2006/1/10 Edition:2006/1/10 Edition:2006/1/10 MODEL: HSU-22HV03/R2 IMPORTANT INFORMATION Features Comfortable: wide-angle airflow health air purifying quiet operation super energy efficient Main Specification 6000W Cooling Capacity 1990W/8.9A Rated Power/Current(cooling) EER: 3.02 6500W Heating Capacity Rated Power/Current(heating): 2020W/9.0A COP: 3.22 Air Volume(Indoor): 750m Power: 1PH 220-230V~ 50 Hz...

  • Page 7: Safety Information

    Haier urges you read and follow all safety precautions and warnings contained in this manual. Failure to comply with safety information may result in severe personal injury or death.

  • Page 8: Table Of Contents

    Air Conditioner Edition:2006/1/10 CONTENTS 1. SPECIFICATION........1 2. OPERATION........7 3. ELECTRICAL CONTROLL......3 4. TROUBLE SHOOTING........6 0 5.INSTALLA TION........62 6. CIRCUIT AND WIRING DIAGRAM.......71...

  • Page 9: Specification

    Edition:2006/1/10 Air Conditioner SPECIFICATION...
  • Page 10 Air Conditioner Edition:2006/1/10 HAIER HSU-07HV03/R2 Model Brand Mark 2300W 50Hz Cooling Capacity Frequency Range 680W/3.0A 220-230V~ 50 Hz Rated Power/Current Power Cooling 1050W/4.0A -------- Max Power/Current Model×Sectional Area 3.38 Power Cord 2500W Heating Capacity Refer. No. -------- Compressor 690W/3.1A RECHI/39A173AD&94K...
  • Page 11 Air Conditioner Edition:2006/1/10 HAIER HSU-09HV03/R2 Model Brand Mark 3000W 50Hz Cooling Capacity Frequency Range 860W/3.5A 220-230V~ 50 Hz Rated Power/Current Power Cooling 1150W/5.0A -------- Max Power/Current Model×Sectional Area 3.49 Power Cord 3000W Heating Capacity Refer. No. -------- Compressor 830W/3.5A RECHI/44A233AJ-JEK...
  • Page 12 Air Conditioner Edition:2006/1/10 HAIER HSU-12HV03/R2 Model Brand Mark 4000W 50Hz Cooling Capacity Frequency Range 1200W/5.0A 220-230V~ 50 Hz Rated Power/Current Power Cooling 1500W/6.0A -------- Max Power/Current Model×Sectional Area 3.33 Power Cord 4200W Heating Capacity Refer. No. -------- Compressor 1160W/5.8A MEIZHI/PA150X2C-4EN...
  • Page 13 Air Conditioner Edition:2006/1/10 HAIER HSU-18HV03/R2 Model Brand Mark 5000W 50Hz Cooling Capacity Frequency Range 1555W/6.9A 220-230V~ 50 Hz Rated Power/Current Power Cooling 2000W/9.2A -------- Max Power/Current Model×Sectional Area 3.22 Power Cord 5500W Heating Capacity Refer. No. -------- Compressor 1525W/6.8A HITACHI/ASH201...

  • Page 14: Remote Controller

    Air Conditioner Edition:2006/1/10 HAIER HSU-22HV03/R2 Model Brand Mark 6000W 50Hz Cooling Capacity Frequency Range 1990W/8.9A 220-230V~ 50 Hz Rated Power/Current Power Cooling 2650W/14.0A -------- Max Power/Current Model×Sectional Area 3.02 Power Cord 6500W Heating Capacity Refer. No. -------- Compressor 2020W/9.0A HITACHI/PA240X2CS-4KT1...
  • Page 15 Edition:2006/1/10 Air Conditioner OPERATION...
  • Page 16 Edition:2006/1/10 Air Conditioner Cautions Safety Instructions and Warnings Disposal of the old air conditioner Before disposing an old air conditioner that Before starting the air conditioner, read the goes out of use, please make sure it's inop- information given in the User's Guide caref- erative and safe.
  • Page 17 Edition:2006/1/10 Air Conditioner Cautions Do not obstruct or cover the ventilation 7. The appliance is not intended for use grille of the air conditoner.Do not put fingers by young children or infirm persons or any other things into the inlet/outlet and without supervision.

  • Page 18: Safety Instruction

    Edition:2006/1/10 Air Conditioner Cautions Safety Instruction Please read the following Safety Instructions carefully prior to use. The instructions are classified into two levels, WARNING and CAUTION according to the seriousness of possible risks and damages as follows. Compliance to the instructions are strictly required for safety use.
  • Page 19 Edition:2006/1/10 Air Conditioner Cautions WARNING When abnormality such as burnt-small found, Use an exclusive power source with a immediately stop the operation button and circuit breaker contact sales shop. STRICT ENFORCEMENT Connect power supply cord Use the proper voltage Do not use power supply cord to the outlet completely extended or connected in halfway STRICT...

  • Page 20: Parts And Functions

    (adjust up and down air flow. Power plug Don't adjust it manually) Horizontal louver (adjust left and right air flow) For multi-split type, the power plug is on the outdoor unit. Outdoor unit HSU-07HV03/R2 HSU-12HV03/R2 HSU-18HV03/R2 HSU-09HV03/R2 H2SM-18HV03/R2 HSU-22HV03/R2 H2SM-(9+12)HV03/R2...
  • Page 21 Edition:2006/1/10 Air Conditioner Parts and Functions 10. TIMER ON display 11. FAN SPEED display AUTO 12. LOCK display 13. SWING UP/DOWN display 14. SLEEP display 15. HEALTH display 16. Operation mode display Operation mode AUTO COOL DRY HEAT FAN Remote controller Display board 17.Singal sending display 18.
  • Page 22 Edition:2006/1/10 Air Conditioner Parts and Functions Clock Set When unit is started for the first time and after replacing batteries in remote controller, clock should be adjusted as follows: 1. Press CLOCK button,"AM" or "PM" flashes. 2. Press to set correct time. Each press will increase or decrease 1 min.

  • Page 23: Operation

    Edition:2006/1/10 Air Conditioner Operation HEALTH operation Remote controller 1.Unit start Press ON/OFF on the remote controller, unit starts. 2.Health anion function Press HEALTH button. For each press, is displayed. Air conditioner starts health anion function operation. For twice press, disappears,the operation stops. When indoor fan motor is running, it has healthy process function.

  • Page 24: Auto Operation

    Edition:2006/1/10 Air Conditioner Operation Auto Operation Remote controller 1. Unit start Press ON/OFF on the remote controller, unit starts. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL HEAT Then Select Auto operation On the displaying board,colorful displaying bar will be white.

  • Page 25: Cool Operation

    Edition:2006/1/10 Air Conditioner Operation Cool Operation Remote controller 1. Unit start Press ON/OFF on the remote controller, unit starts. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL HEAT Then Select COOL operation On the displaying board,colorful displaying bar will be blue.

  • Page 26: Dry Operation

    Edition:2006/1/10 Air Conditioner Operation Dry Operation Remote controller 1. Unit start Press ON/OFF on the remote controller, unit starts. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL HEAT Then Select DRY operation On the displaying board,colorful displaying bar will be light blue 3.Select temp.setting...

  • Page 27: Fan Operation

    Edition:2006/1/10 Air Conditioner Operation Fan Operation Remote controller 1. Unit start Press ON/OFF on the remote controller, unit starts. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL HEAT Then Select FAN operation On the displaying board,colorful displaying bar will be pink.

  • Page 28: Heat Operation

    Edition:2006/1/10 Air Conditioner Operation Heat Operation 1. Unit start Remote controller Press ON/OFF on the remote controller, unit starts. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL HEAT Then Select HEAT operation On the displaying board,colorful displaying bar will be red 3.Select temp.setting Press TEMP.

  • Page 29: Air Flow Direction Adjustment

    Edition:2006/1/10 Air Conditioner Operation Air Flow Direction Adjustment 1.Status display of air sending Vertical flap Horizontal louvers Pos.1 Pos.1 Pos.2 Pos.2 Pos.3 Pos.3 Pos.4 Pos.4 Pos.5 Pos.5 Pos.6 Pos.6 (Auto swing) Pos.7 Pos.8 2.Up and down air flow direction For each press of button, air flow direction on remote controller displays as follows according to different operation modes: COOL/DRY/FAN...

  • Page 30: Sleep Operation

    Edition:2006/1/10 Air Conditioner Operation Sleep Operation SLEEP operation starts SLEEP operation stops Approx.6hrs Before going to bed, you can simply press the SLEEP button and unit will operate in SLEEP Rises 1 1 hr mode and bring you a sound sleep. Rises 1 1 hr Use of SLEEP function...

  • Page 31: Timer On/Off Operation

    Edition:2006/1/10 Air Conditioner Operation Timer On/Off Operation Set clock correctly before starting TIMER operation. 1. After unit starts, select your desired operation mode Remote Controller Operation mode will be displayed on LCD. 2. Timer mode selection Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: Remote controller: BLANK...
  • Page 32 Edition:2006/1/10 Air Conditioner Operation Timer On-Off Operation Set clock correctly before starting TIMER operation. Remote Controller 1. After unit starts, select your desired operation mode Operation mode will be displayed on LCD. 2. Timer mode selection Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: Remote controller: BLANK...

  • Page 33: Health Airflow Operation

    Edition:2006/1/10 Air Conditioner Operation Health airflow Operation 1.Press ON/OFF to starting Remote controller The liquid crystal will display the working state of last time (Except timer, sleeping, power/soft and health airflow). Setting the comfort work conditions. 2.The setting of health airflow function 1).Press the button of health airflow, appears on the display.

  • Page 34: Emergency And Test Operation

    Edition:2006/1/10 Air Conditioner Operation Emergency and Test Operation Emergency operation: Use this operation only when the remote controller is defective or lost. When the emergency operation switch is pressed,the" Pi "sound is heard once, which means the start of this operation. In this operation, the system automatically selects the operation modes, cooling or heating, according to the room temperature.
  • Page 35 Edition:2006/1/10 Air Conditioner Maintenance For Smart Use of The Air Conditioner Setting of proper room Do not block the air inlet temperature or outlet Proper temperature Close doors and windows Use the timer effectively during operation During cooling operation prevent the penetration of direct sunlight with curtain or blind Use the louvers effectively...

  • Page 36: Air Filter Cleaning

    Edition:2006/1/10 Air Conditioner Maintenance For Smart Use of The Air Conditioner WARNING Before maintenance,be sure to turn off the system and the circuit breaker. Remote Controller Indoor Body Wipe the air conditioner by using a soft and dry cloth.For serious stains,use a neutral Do not use water, wipe the controller with a detergent diluted with water.Wring the water dry cloth.Do not use glass cleaner or chemical...
  • Page 37 Edition:2006/1/10 Air Conditioner Maintenance Replancement of Air Purifying Filter 1.Open the lnlet Grille Open the inlet grille by pushing each ends of the inlet grille upward.(use thumbs to push 2.Detach the standard air filter Slide the knob slightly upward to release the filter, then withdraw it.
  • Page 38 Edition:2006/1/10 Air Conditioner Maintenance To Keep Your Air conditioner in Good Condition after Season. Operate in cooling mode for 2-3 hours. To prevent breeding mold or bad smell, be sure to operate at the designated temperature or 30 C,cooling mode and High speed fan mode for 2-3 hours. Put off the power supply cord.

  • Page 39: Cleaning The Standard Air Filter

    Edition:2006/1/10 Air Conditioner Maintenance Before Setting in High season Cleaning the standard air filter. Operation without filter may cause troubles.Be sure to attach both right and left filters prior to the operation. Each of them are of different shapes. Connecting the earthing cable. Caution Incomplete earthing may cause an electric shock.
  • Page 40 Edition:2006/1/10 Air Conditioner 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. When the electric plug is pulled out and reinserted, the protection circuit will work for 3 minutes to protect the air conditioner.

  • Page 41: Electrical Controll

    Air Conditioner Edition:2005/11/18 ELECTRICAL CONTROLL...
  • Page 42 Edition:2006/1/10 Air Conditioner 2. Run mode:(Tr: inlet air temperature,Ts£º the set temperature) 2.1 automatic run mode The background lighting of the LCD is white 1) cooling only type automatic run mode: When the system runs under "automatic" mode for the first time, it will determine the operating mode according to the follows, Tr¡ÝTs+3¡æ...
  • Page 43 Edition:2006/1/10 Air Conditioner compressor control£º The compressor can’t be controlled by temperature sensor within 2 minutes after startup and can be only restarted at least 3 minutes later after shutdown. There is no 3-minute protection with power on for the first time (over 3 minutes with power off). The compressor must stands by for 3 minutes before it is restarted after shutdown.
  • Page 44 Edition:2006/1/10 Air Conditioner the indoor fan motor can be operated in cooling mode. While controlling fan motor by hand in cooling mode, the cooling ranges include wind speed setting and refriferation range, others are the same as fan motor in automation mode. compressor control£º...
  • Page 45 (HSU-12HV03/R2:9.5A;HSU-09HV03/R2:8.5A;HSU-07HV03/R2:8.5A) , 3 seconds later the system enter current cross protection, compressor and air outlet stop and start again 3 minuts later, and air inlet runs as the temperature sensor is off.(different mode has the different CT...
  • Page 46 Edition:2006/1/10 Air Conditioner restarted 3 minutes later. Defrosting: 1.Entry conditions of defrosting: A. 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.
  • Page 47 Edition:2006/1/10 Air Conditioner 3)Press “-“ button in the remote controller, and then restore Ts = Tr + 5¡æ. Press “+” button in the remote controller, and then operate according to automatic compensation setting 4)If Tr – Td [before compressor starts] ≤0¡æ, and then operate according to Ts = Tr + 5¡æ.
  • Page 48 Edition:2006/1/10 Air Conditioner If the switch is kept pressed for 5 seconds, buzzer ring two times and unit enter enter test run mode. Press the switch again, and then closes. The unit can receive remote control. Enter emergency operation from timer mode, then timer is cancelled. Test run: 1) The temperature sensor of inlet air doesn’t work, and compressor starts (but subject to the limit of -minute delay excluding the first time), and high wind, cooling, and air door is...
  • Page 49 Edition:2006/1/10 Air Conditioner 2. Run mode:(Tr: inlet air temperature,Ts£ºthe set temperature) 2.1 automatic run mode The background lighting of the LCD is white 1) cooling only type automatic run mode: When the system runs under "automatic" mode for the first time, it will determine the operating mode according to the follows, Tr¡ÝTs+3¡æ...
  • Page 50 Edition:2006/1/10 Edition:2006/1/10 Air Conditioner Air Conditioner 15 minutes later: it will switch to the cooling mode if the temperature is Tr£¾ Ts+3¡æ. 2.2 Cooling run mode: (Tr: inlet air temperature,Ts£º the set temperature) The background lighting of the LCD is blue Temperature control range : 16¡æ¡ª...
  • Page 51 Edition:2006/1/10 Air Conditioner blower and indoor fan motor controlled as the temperature sensor is off. After 3 minutes the machine can be started again. Protection of frost is available (disable in test run or heating mode): In order to prevent the indoor heat exchanger from freezing (in refrigation or dehumidifying mode), the compressor will be shut off when the temperature of the indoor coil pipe is or below 0¡æ...
  • Page 52 Edition:2006/1/10 Air Conditioner machine through the remote controller, and the machine can be shut down immediately. Avoiding electrical shock: outdoor fan motor is available 2 seconds later after compressor startup. Controlling the position of air door: set the position of air door as required. Protection of expiration of current peak value is available: Current cross detection is available in order to avoid burning out the compressor when the current is too big.
  • Page 53 Edition:2006/1/10 Air Conditioner minutes after startup and also can’t be started again at least 3 minutes later after shutdown. There are 3-minute protection with power on for the first time (over 3 minutes with power off). The compressor must be started again 3 minutes later after shutdown.
  • Page 54 Edition:2006/1/10 Air Conditioner off.(different mode has the different CT value) Overcooling protection: One and a half minute later after compressor starts, if the temperature of coil pipe is below -4¡æ, compressor and air outlet stop, and air inlet runs according to the temp. setting.
  • Page 55 Edition:2006/1/10 Air Conditioner Automatic temperature compensation of heating: 1. Conditions: Halt time of compressor is below 5 minutes. 2. Operation rules: 1) Ts=Tr + 5¡æ + (Tr – Td (temperature detected)[the moment of startup]) 2)Tr – Td[the moment of startup] ≤ 2¡æ Note: the two items above is disable when starting for the first time.
  • Page 56 Edition:2006/1/10 Air Conditioner If timer off and sleep are set synchronously, the one which time is short run first. Executing shutdown instruction clear timer and sleep function. Timer on and timer off can be set synchronously. when they are completed, 4.2 Sleep function (saving function at night):.
  • Page 57 Edition:2006/1/10 Air Conditioner Temperature control doesn’t work. Temperature expiration control doesn’t work. The test run is over after 30 minutes,then the unit turn off 4.5 Executive function after 2 seconds by remoter control: After receiving remote control signal, the mainboard doesn’t enter the corresponding instruction task until 2 seconds elapse.
  • Page 58 Edition:2006/1/10 Air Conditioner 2. Run mode:(Tr: inlet air temperature,Ts£ºthe set temperature) 2.1 automatic run mode The background lighting of the LCD is white 1) cooling only type automatic run mode: When the system runs under "automatic" mode for the first time, it will determine the operating mode according to the follows, Tr¡ÝTs+3¡æ...
  • Page 59 Edition:2006/1/10 Air Conditioner 15 minutes later: it will switch to the cooling mode if the temperature is Tr£¾ Ts+3¡æ. 2.2 Cooling run mode: (Tr: inlet air temperature,Ts£º the set temperature) The background lighting of the LCD is blue Temperature control range : 16¡æ¡ª 30¡æ Temperature control precision: ±1¡æ...
  • Page 60 Edition:2006/1/10 Air Conditioner Timer on, Timer off and sleep control are available. 2.3 Dehumidifying mode: (Tr: inlet air temperature,Ts£º the set temperature) The background lighting of the LCD is aquamarine blue Temperature control range : 16¡æ¡ª 30¡æ Temperature control precision: ±1¡æ control character: When Tr (indoor temperature) >...
  • Page 61 Edition:2006/1/10 Air Conditioner coil pipe ascends to over 7¡æ, the compressor is restarted (must meet a 3-minutes delay) Timer on, Timer off and sleep control are available. 2.4 Heating mode: (Tr: inlet air temperature,Ts£º the set temperature) The background lighting of the LCD is red Temperature control range : 16¡æ¡ª...
  • Page 62 Edition:2006/1/10 Air Conditioner (3) If the temperature of coil pipe is above 38¡æ in 4 minutes after start up, fan motor is running at the preset wind speed immediately. (4)If coil pipe descends to the temp. lower than 38¡æ from 38¡æ. fan motor still running at the preset wind speed.
  • Page 63 Edition:2006/1/10 Air Conditioner sensor isn’t detected. After quiting the defrosting mode, the fan motor enter cooling prevention mode. 3.Defrosting oscillogram: Automatic temperature compensation of heating: 1. Conditions: Halt time of compressor is below 5 minutes. 2. Operation rules: 1) Ts=Tr + 5¡æ + (Tr – Td (temperature detected)[the moment of startup]) 2)Tr –...
  • Page 64 Edition:2006/1/10 Air Conditioner not allowed. Timer off: Unit working, the pattern of clock displaied on the LCD; When reaching time setting, unit enters shutdown mode, and sleep function can be set. If timer off and sleep are set synchronously, the one which time is short run first. Executing shutdown instruction clear timer and sleep function.
  • Page 65 Edition:2006/1/10 Air Conditioner The prevention of freezing of evaporator doesn’t work. Over current control doesn’t work. The control of current peak expiration doesn’t work. Temperature control doesn’t work. Temperature expiration control doesn’t work. The test run is over after 30 minutes,then the unit turn off 4.5 Executive function after 2 seconds by remoter control: After receiving remote control signal, the mainboard doesn’t enter the corresponding instruction task until 2 seconds elapse.

  • Page 66: Trouble Shooting 6

    Edition:2006/1/10 Air Conditioner Error Codes and Description Code indication Reference Description Page indoor Room temperature sensor failure Heat-exchange sensor failure Indoor Malfunction Indoor EEPROM error/Humidity sensor malfunction Indoor fan motor malfunction Trouble Shooting E1: Room temperature sensor failure E2: Heat-exchange sensor failure whether terminal CN8 on Pull out the terminals on the indoor mainboard and indoor PCB contact wellt?
  • Page 67 Edition:2006/1/10 Air Conditioner E14 :Indoor fan motor malfunction whether terminal CN7 Pull out and reinsert the terminals and CON12 on indoor PCB well inserted or not? Electrify the machine again and turn it on in the cooling operation, positions 1 ( and 5( Measure voltage between the red wire)

  • Page 68: Trouble Shooting

    Air Conditioner Edition:2006/1/10 TROUBLE SHOOTING...
  • Page 69 Air Conditioner Edition:2006/1/10...

  • Page 70: Installation

    Air Conditioner Edition:2006/1/10 INSTALLATION...

  • Page 71: Installation Manual Of Room Air Conditioner

    Air Conditioner Edition:2006/1/10 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 72: Indoor Unit

    Floor fixing dimensions of the outdoor unit of the outdoor unit of the outdoor unit (Unit:mm) (Unit:mm) (Unit:mm) HSU-07HV03/R2 HSU-12HV03/R2 HSU-22HV03/R2 HSU-09HV03/R2 HSU-18HV03/R2 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 73: Installation Of The Indoor Unit

    Air Conditioner Edition:2006/1/10 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.
  • Page 74 Air Conditioner Edition:2006/1/10 1. Insert the drain hose into the dent of heat insulation materials of indoor unit. 2. Insert the indoor/outdoor electric cable from backside of indoor unit, and pull it out on the front side, then connect them. 3.

  • Page 75: When Connecting The Cable Before Installing The Indoor Unit

    3. The wiring method should be in line with the local wiring standard. 4. After installation, the power plug should be easily reached. YEL/GRN BLK WHT YEL/GRN Indoor unit Outdoor unit HSU-07HV03/R2 HSU-09HV03/R2 HSU-12HV03/R2 YEL/GRN BLK WHT Indoor unit YEL/GRN...

  • Page 76: Installation Of Outdoor Unit

    Air Conditioner Edition:2006/1/10 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 77 No gas leakage? fill up prescribed refrigerant from the gas leakage stops, then proceed cylinder. steps. 2-way valve HSU-07HV03/R2 Detach the charge hose from the service port, open HSU-09HV03/R2 3-way valve HSU-22HV03/R2 2-way valve and 3-way. Turn the valve rod anticlockwise until hitting lightly.
  • Page 78 Air Conditioner Edition:2006/1/10 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 79: Circuit And Wiring Diagram

    Air Conditioner Edition:2005/1/10 CIRCUIT AND WIRING DIAGRAM...
  • Page 80 Air Conditioner Edition:2006/1/10 CIRCUIT DIAGRAM FOR INDOOR HSU-07/09/12HV03/R2 UNIT 472/1KV +12v BEEP-PKM13EPY-4002 D 1 6 20UH R52 3 .6¦¸/ TRAN1-3 UF302 470U/25V Ultraviolet_Control 2W/78K D11 1N4007 15V/1W 1000U/25V BUZ1 7805 47K/2W S9013 S9013 +12v 104/50v 1 0 k C 3 5 R58 27 C 2 8 C30102...
  • Page 81 Air Conditioner Edition:2006/1/10 WIRING DIAGRAM FOR INDOOR HSU-07HV03/R2 UNIT Fan Motor FUSE LCD Board UV Light Heater BLACK BR BROWN BL BLUE WHITE Y/G YELLOW/GREEN POWER SUPPLY...
  • Page 82 Air Conditioner Edition:2006/1/10 HSU-07HV03/R2 WIRING DIAGRAM FOR OUTDOOR UNIT ¡«...
  • Page 83 Air Conditioner Edition:2006/1/10 WIRING DIAGRAM FOR INDOOR HSU-09HV03/R2 UNIT Fan Motor FUSE LCD Board UV Light Heater BLACK BR BROWN BL BLUE WHITE Y/G YELLOW/GREEN POWER SUPPLY...
  • Page 84 Air Conditioner Edition:2006/1/10 HSU-09HV03/R2 WIRING DIAGRAM FOR OUTDOOR UNIT ¡«...
  • Page 85 Air Conditioner Edition:2006/1/10 WIRING DIAGRAM FOR INDOOR HSU-12HV03/R2 UNIT Fan Motor FUSE LCD Board UV Light Heater BLACK BR BROWN BL BLUE WHITE Y/G YELLOW/GREEN POWER SUPPLY...
  • Page 86 Air Conditioner Edition:2006/1/10 HSU-12HV03/R2 WIRING DIAGRAM FOR OUTDOOR UNIT ¡«...

  • Page 87: Circuit Diagram

    Air Conditioner Edition:2006/1/10 CIRCUIT DIAGRAM HSU-18HV03/R2 BUZ1 electrical source 4007 LB2271 104/50v TRAN1-3 +12v 7805 1000U/35V 470U/25V 100U/25V 2SC2412 220V-N 103/50v centralize control 2SC2412 2SC2412 S14K350 R27 10K 220U/16V 104/275V R66 27 CON21 2SC2412 FUSE1 T3.15A 220V-L 220VL +12V C12 102 4.7K R41 1K cross zero...
  • Page 88 Air Conditioner Edition:2006/1/10 WIRING DIAGRAM FOR INDOOR UNIT HSU-18HV03/R2 Fan Motor CON12 CON13 CON21 FUSE1 T3.15A C0N15 250VAC LCD Board C0N14 C0N20 CN5-1 POWER SUPPLY TO THE OUTDOOR UNIT BLACK BR BROWN BL BLUE WHITE Y/G YELLOW/GREEN...
  • Page 89 Air Conditioner Edition:2006/1/10 WIRING DIAGRAM FOR OUTDOOR UNIT HSU-18HV03/R2 ¡«...
  • Page 90 Air Conditioner Edition:2006/1/10 CIRCUIT DIAGRAM HSU-22HV03/R2 BUZ1 electrical source 4007 LB2271 104/50v TRAN1-3 +12v 7805 1000U/35V 470U/25V 100U/25V 2SC2412 220V-N 103/50v centralize control 2SC2412 2SC2412 R27 10K S14K350 220U/16V 104/275V CON21 R66 27 2SC2412 FUSE1 T3.15A 220V-L 220VL +12V C12 102 4.7K R41 1K cross zero...
  • Page 91 Air Conditioner Edition:2006/1/10 WIRING DIAGRAM FOR INDOOR UNIT HSU-22HV03/R2 Fan Motor Central control SW1(CN11) CON21 CON13 CON12 C0N15 (C0N25) FUSE1 T3.15A 250VAC C0N14 RECEIVER DISPLAY CN5-1 C0N20 TERMINAL BLOCK TO THE OUTDOOR UNIT BLACK BR BROWN £ º BL BLUE WHITE Y/G YELLOW/GREEN...
  • Page 92 Air Conditioner Edition:2006/1/10 WIRING DIAGRAM FOR OUTDOOR UNIT HSU-22HV03/R2 WIRING DIAGRAM OF OUTDOOR UNIT...
  • Page 93 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...

This manual is also suitable for:

Hsu-09hv03/r2Hsu-22hv03/r2Hsu-12hv03/r2Hsu-18hv03/r2

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