Haier H2SM-(9+12)HV03/R2 Service Manual

Summary of H2SM-(9+12)HV03/R2

  • Page 1

    Service manual air conditioners caution read this manual carefully to diagnose trouble correctly before offering service . Model: h2sm-(9+12)hv03/r2(db) this manual is used by qualified appliance technicians only. Haier does not assume any responsibility for property damage or personal injury for im...

  • Page 2

    Air conditioner edition:2006/1/10 important information ƽҏfeatures ƽҏcomfortable: wide-angle airflow ƽhealth air purifying ƽquiet operation ƽҏsuper energy efficient ƽmain specification ƽcooling capacityΚ 2600/3500/5300w ƽrated power/current(cooling)Κ 680/990/1600w/7.8a ƽeer: 3.8/3.5/3.3w/w ƽheating ...

  • Page 3

    Air conditioner edition:2006/1/10 important information ƽҏfeatures ƽҏcomfortable: wide-angle airflow ƽhealth air purifying ƽquiet operation ƽҏsuper energy efficient ƽmain specification ƽcooling capacityΚ 2600/5200w ƽrated power/current(cooling)Κ 680/1520w/7.5a ƽeer: 3.8/3.29w/w ƽheating capacityΚ 32...

  • Page 4: Safety Information

    Air conditioner edition:2006/1/10 safety information general information this service manual describes the operation,disassembly,troubleshooting,and repair of haier room air conditioners,etc. It is intended for use by authorized servicers who troubleshoot and repair these units. Note:it is assumed t...

  • Page 5

    Contents 1.Specification....................................1 2.Accessories......................................4 3.Operation........................................7 4.Electrical controll..............................33 5.Trouble shooting.................................50 6.Installa tion............

  • Page 6

    Air conditioner edition:2006/1/10 specification 1.

  • Page 7

    Model ˖ h2sm-(9+12)hv03/r2(db) brand mark ˖ ----- cooling capacity: 2600/3500/5300(1300-6100)w frequency range˖ 50hz rated power/current : 680/990/1600(380-2400)w/7.8a power 1ph 220-230v~ 50 hz max power/current ˖ 2530w/10.3a cooling eer 3.8/3.5/3.3w/w model×sectional area ˖ -------- heating capacit...

  • Page 8

    Model ˖ h2sm-(9+9)hv03/r2(db) brand mark ˖ ----- cooling capacity: 2600/5200(1250-6000)w frequency range˖ 50hz rated power/current : 680/1520(360-2300)w/7.5a power 1ph 220-230v~ 50 hz max power/current ˖ 2490w/10.2a cooling eer 3.8/3.29w/w model×sectional area ˖ -------- heating capacity ˖ 3200/6500...

  • Page 9

    Air conditioner edition:2005/11/18 accessories 4.

  • Page 10

    Number name refer no. Description quality failure rate(%) remark 1 remote controller 00104 03792 none 1 0.2 * 2 battery 001a4600001 none 2 0.1 3 mounting plate 0010101 274 fix mounting plate according to installation position and pipe direction 0 4 drain pipe 001a0900011 choose the place that can dr...

  • Page 11

    Number name refer no. Description quality failure rate(%) remark 1 remote controller 00104 03792 none 1 0.2 * 2 battery 001a4600001 none 2 0.1 3 mounting plate 0010101 274 fix mounting plate according to installation position and pipe direction 0 4 drain pipe 001a0900011 choose the place that can dr...

  • Page 12

    Air conditioner edition:2005/11/18 operration 7.

  • Page 13

    Cautions 8 before disposing an old air conditioner that goes out of use, please make sure it's inop- erative and safe. Unplug the air conditioner in order to avoid the risk of child entrapment. It must be noticed that air conditioner system contains refrigerants, which require speciali- zed waste di...

  • Page 14

    3. If the fuse of indoor unit on pc board is broken,please change it with the type of t. 3.15a/ 250v. If the fuse of outdoor unit is broken,change it with the type of t.25a/250v do not obstruct or cover the ventilation grille of the air conditoner.Do not put fingers or any other things into the inle...

  • Page 15

    Installation 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. Lnstalla...

  • Page 16

    11 cautions warning when abnormality such as burnt-small found, immediately stop the operation button and contact sales shop. Off use an exclusive power source with a circuit breaker enforcement connect power supply cord to the outlet completely use the proper voltage do not use power supply cord in...

  • Page 17

    12 outdoor unit parts and functions indoor unit display board inlet air purifying filter vertical flap (adjust up and down air flow. Don't adjust it manually) horizontal louver air filter(inside) inlet grille (adjust left and right air flow) (inside) outlet anion generator (inside) for multi-split t...

  • Page 18

    13 parts and functions 11. Timer on display 12. Fan speed display low hi med auto 13. Lock display 14. Swing up/down display 15. Sleep display 16. Health display used to select your desired temperature. 18. Operation mode display 20. Power/soft display 21. Left/right air flow display remote controll...

  • Page 19

    14 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: 3. After time setting is confirmed, press set, "am" or "pm" stop flashing, while clock starts working. 2. Press or to set correct time. Ea...

  • Page 20

    15 operation 2.Health anion function air conditioner starts health anion function operation. Brief introduction to health anion fuction the anion generator in the air conditioner can generate a lot of anion effectively balance the quantity of position and anion in the air and also to kill bacteria a...

  • Page 21

    Auto operation 16 about auto operation under the mode of auto operation, air conditioner will automatically select cool or heat operation according to room temperature. 1. Unit start press on/off on the remote controller, unit starts. 2.Select operation mode press mode button. For each press, operat...

  • Page 22

    2.Select operation mode press fan button. For each press, fan speed changes as follows: press mode button. For each press, operation mode changes as follows: remote controller: remote controller: press temp. Button every time the button is pressed, temp.Setting increase 1 o c,if kept depressed, it w...

  • Page 23

    2.Select operation mode press fan button. For each press, fan speed changes as follows: press mode button. For each press, operation mode changes as follows: remote controller: remote controller: then select dry operation press temp. Button every time the button is pressed, temp.Setting increase 1 o...

  • Page 24

    Fan operation 2.Select operation mode press fan button. For each press, fan speed changes as follows: press mode button. For each press, operation mode changes as follows: remote controller: remote controller: then select fan operation 3.Fan speed selection 4.Unit stop about fan operation in fan ope...

  • Page 25

    2.Select operation mode press fan button. For each press, fan speed changes as follows: press mode button. For each press, operation mode changes as follows: remote controller: remote controller: then select heat operation press temp. Button every time the button is pressed, temp.Setting increase 1 ...

  • Page 26

    2.Up and down air flow direction pos.1 pos.2 pos.3 pos.4 pos.6 pos.5 pos.4 pos.3 pos.2 pos.1 pos.6 pos.1 pos.2 pos.3 pos.4 pos.5 pos.6 for each press of button, air flow direction on remote controller displays as follows according to different operation modes: remote controller: cool/dry/fan : remot...

  • Page 27

    Before going to bed, you can simply press the sleep button and unit will operate in sleep mode and bring you a sound sleep. Use of sleep function after the unit starts, set the operation status, then press sleep button before which the clock must be adjusted and time being set. Operation mode 1. In ...

  • Page 28

    Hints: after replacing batteries or a power failure happens, time setting should be reset. Remote controller possesses memory function, when use timer mode next time, just press set button after mode selecting if time setting is the same as previous one. 23 set clock correctly before starting timer ...

  • Page 29

    Just press timer button several times until timer de disappears. According to the time setting sequence of timer on or timer off, either start-stop or stop-start can be achieved. Set clock correctly before starting timer operation. 1. After unit starts, select your desired operation mode operation m...

  • Page 30

    Power power operation soft operation when you need rapid heating or cooling, you can use this funciton. You can use this function when silence is needed for rest or reading. Selecting of power operation press power/soft button. Every time the button is pressed,display in heat or cool mode, fan speed...

  • Page 31

    1.Press on/off to starting 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. The nether i...

  • Page 32

    2 7 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 s...

  • Page 33

    2 8 maintenance for smart use of the air conditioner setting of proper room temperature close doors and windows during operation if the unit is not to be used for a long time, turn off the power supply main switch. Use the timer effectively use the louvers effectively do not block the air inlet or o...

  • Page 34

    Before maintenance,be sure to turn off the system and the circuit breaker. 2 9 maintenance for smart use of the air conditioner warning remote controller do not use water, wipe the controller with a dry cloth.Do not use glass cleaner or chemical cloth. Wipe the air conditioner by using a soft and dr...

  • Page 35

    30 maintenance replancement of air purifying filter note: the bacteria-killing mediums placed on the left side. The multi-lights touching intermediary is placed on the right side. 1.Open the lnlet grille 2.Detach the standard air filter 3.Attach old air purifying filter 4.Attach the standard air fil...

  • Page 36

    To keep your air conditioner in good condition after season. 31 maintenance operate in cooling mode for 2-3 hours. Put off the power supply cord. Take out the batteries from the wireless remote controller. Cleaning the body. To prevent breeding mold or bad smell, be sure to operate at the designated...

  • Page 37

    32 maintenance before setting in high season cleaning the standard air filter. Connecting the earthing cable. Do not block the air inlet or outlet. Plug-in caution caution after brush away dust at the plug, insert the plug of the power supply cord into the outlet completely.In case of suing exclusiv...

  • Page 38

    Air conditioner edition:2005/11/18 electrical controll.

  • Page 39

    1. Operation mode 1. Automatic operation when the system is under the automatic operation option, the appropriate operation mode will be decided according to the differences between the preset temperature and the indoor temperature after the system starts up. Then, the system will operate according ...

  • Page 40

    Be stopped and the malfunction will be recorded in the malfunction list. The indoor system will continue to run. When the temperature of the indoor coil is raised to 7℃, the compressor will be restarted again (the prerequirement of 3 minutes’ delay should be satisfied.) * timing system on/off functi...

  • Page 41

    4. Heating operation mode. * temperature control range: 16---30℃ * temperature difference: ±1℃ * control feature: the temperature compensation is automatically added and the system will send the heating signals to the outdoor system. If tr ≤ts, the outdoor compressor is turned on, the indoor fan wil...

  • Page 42

    Coldair proof operation 1. The indoor operation within 4 minutes after the start up is as the following diagram, the air speed can be raised only after the speed has reached a certain level. 2. 4 minutes after the start up of the indoor fan, the light airflow and the low airflow will be turned to th...

  • Page 43

    3. Soft operation the system enters the mode after receiving the ‘soft signal’. A. Soft heating: the airflow speed is slight, the system sends the soft signal to the outdoor system. B. Soft cooling: the airflow speed is slight, the system sends the soft signal to the outdoor system. When the compres...

  • Page 44

    The setting. If the fan is at the medium speed before the sleep setting, the speed will be turned to low after the setting. If the fan is at the low speed before the sleep setting, the speed will not change. 7. Manual switch input 7.1 press the manual switch the buzzer will ring. The system will ent...

  • Page 45

    Operation malfunction will be reported. 30s after the report, the indoor system will be closed. Outdoor system mode indoor system mode conflicts cooling heating yes cooling cooling no cooling airflow no heating heating no heating airflow yes heating cooling yes 11. The last malfunction list resume. ...

  • Page 46

    As the followings: remote control urgency singal: operate according to the remote control and the urgent conditions, the present status will be stored into the eeprom of the indoor system. * quitting conditions: press dormant button 10 times within 7 seconds and the buzzer will ring twice. 14. other...

  • Page 47

    Appendix 1 the malfunction code for the indoor and outdoor system interaction malfunctions. Sample: ■ the led off □ the led on ★ the led flashing indoor system malfunction codes hs series malfunctio n codes malfunction hv series operation heating cooling 1# indoor temperature sensor system break e1 ...

  • Page 48

    Outdoor system malfunction code(the indoor unit can show you some malfunction code, as follow) hs series malfunctio n codes malfunction hv series operation heating cooling 1# ambient sensors circuit break f1 □ ★ ■ 2# hot temperature sensor circuit breaks or shorts f2 ★ □ □ 3# outlet temperature sens...

  • Page 49

    Outdoor system functions the outdoor system will decide the operation mode based on the principle of ‘first order preferred’ according to the startup signals of the two indoor systems. A)cooling: under the cooling operation, the four direction latch will not be closed. The outdoor fan will operate a...

  • Page 50

    When the outdoor speed is m or l, the speed will change according to the heat interaction temperature. The status will be checked every minute. Ta>28℃,high speed 26℃ ta 37℃≦te 35℃≦te ,medium speed 30℃≦te te 1.4.2 the speed control under the heating mode the outdoor speed varies according to the outd...

  • Page 51

    I) the outdoor fixed frequency is set according to the indoor system signals. The operation is on the frequency stored in eeprom ii) the cooling and heating value under the double system operation under the single system fixed frequency test, the outdoor system will operate according to the turned-o...

  • Page 52

    After the stopping of the system, the flashing time of the led02 is the malfunction code. For example: malfunction n.O 4 2.5sec 2.5sec 1# ambient sensors circuit break. 2# hot temperature sensor circuit breaks or shorts. 3# outlet temperature sensor circuit breaks or shorts. 4# dc compressor feedbac...

  • Page 53

    D501-d504 on the main board with a multimeter. Test if there is any 5v circuit shorts at r501-r503 and d-505. Replace device ct501. 7#. No load: test the 4 diodes d501-d504 on the main board with a multimeter. Test is there is any circuit short with gnd at r501-r503 and d505( special focus on the po...

  • Page 54

    Air conditioner edition:2005/11/18 trouble shooting 50

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    Air conditioner 51 trouble shooting before asking for service, check the following first. Normal performance inspection noise is heard phenomenon cause or check points the system does not restart immediately. Smells are generated. Mist or steam are blown out. Multiple check does not work at all. Poo...

  • Page 56

    Number trouble phenomenon description parts that may appear problems and the cause prepared parts and tools applicable machine 1 not work with remote controller use the remote controller to boot machine and it doesn’t work 7805,transformer, piezo resistance, fuse,remote controller, receiver. If it c...

  • Page 57

    5 indoor unit make water oriented wind panel or drain pan makes water when used drain pan, drain hose. Check whether the indoor unit is installed horizontal, drain hose of indoor unit is leveled off ,the hole is over high ˈfilter and drain hose is dirty and walled up ǃdrain pipe is underwater DŽ drai...

  • Page 58

    9 don’t make heat the air conditioner can refrigerate but can’t make heat outdoor p.C. Board ǃ4 way valve coil ǃ 4 way valve body. Examine the cn204 at outdoor p.C. Board and watch if there is 220v voltage .If there doesn’t have we can judge that the p.C. Board is bad. If there has, we need to conne...

  • Page 59

    Air conditioner edition:2005/11/18 installation 55.

  • Page 60

    No.0010557180 installation manual of room air conditioner the models adopt hfc free refrigerant r410a more than 5cm the marks from to in the figure are the parts numbers. The distance between the indoor unit and the floor should be more than 2m. More than 10cm read this manual before installation 1....

  • Page 61

    Fixing of outdoor unit indoor unit selection of installation place power source selection of pipe outdoor unit fix the unit to concrete or block with bolts( 10mm) and nuts firmly and horizontally. When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in c...

  • Page 62

    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. Make s...

  • Page 63

    Indoor unit 4.Connecting the indoor/outdoor electric cable fixing the indoor unit body removing the wiring cover [other direction piping] indoor/outdoor electric cable and drain hose must be bound with refrigerant piping by protecting tape. Cut away, with a nipper, the lid for piping according to th...

  • Page 64

    Indoor unit note: when connecting the cable, confirm the terminal number of indoor and outdoor units carefully. If wiring is not correct, proper operation can not be carried out and will cause defect. 1. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a...

  • Page 65

    Outdoor unit 1.Installation of outdoor unit 3.Connection 4.Attaching drain-elbow 2.Connection of pipes install according to 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. Connecting the pipe of gas side first mak...

  • Page 66

    Outdoor unit 6.Purging method:to use vacuum pump detach the service port's cap of 3-way valve, the valve rod's cap for 2-way valve and 3-way's, connect the service port into the projection of charge hose (iow) for gaugemanifold. Then connect the projection of charge hose (center) for gaugemanifold i...

  • Page 67

    1.Cut pipe 3.Insert the flare nut 4.Flare pipe it becomes high midway. The end is immersed in water. It waves. The gap with the ground is too small less than 5cm there is the bad smell from a ditch 2.Remove burs 0~0.5mm 1.0~1.5mm 1.5~2.0mm flare tool for r410a clutch-type conventional flare tool clu...

  • Page 68: Circuit And Wiring

    Air conditioner edition:2005/11/18 circuit and wiring diagram.

  • Page 69

    R17 10k c12 102 c13 104 c16 102 1 2 3 4 5 cn3 1 3 2 xt1 8m down step motor left step motorright step motor pg feed back r15 10k r24 10k r18 4.7k r41 1k r42 10k +5 c5 102 r30 10k r281k r2710k +5 r29 10k n2 2sc2412 n1 2sc2412 1 2 cn9 1 2 zj1 1 2 3 cn7 +5 fan motor feedback c43 103 +5v r50 51k r14 1k +...

  • Page 70

    1 2 3 4 5 6 7 8 a b c d 8 7 6 5 4 3 2 1 d c b a title number revision size a2 date: 20-jan-2006 sheet of file: c:\documents and settings\chengyongfu\ \backup~1.Ddb 桌面 drawn by: r16 10k/1/4w +5 r0 5 4.7k /1/ 4w r401 1k/1/4w c401 102/50v r403 4.7k/1/4w +5 c405 102/50v r408 4.7k/1/4w +5 r406 1k/1/4w c4...

  • Page 71

    Y/g yellow/green b black w white r red air conditioner edition:2006/1/10

  • Page 72

    Y/g p8 (+15v) m b to indoor unit b to indoor unit a br w r y/g or don't touch capacitor, even after plug-off ( danger of electric shock) the capacitor retains high voltage even after the plug-off. For your safety, be sure to wait at least 5 minutes. After plug off and use a tester to confirm the vol...

  • Page 73: Sincere Forever

    Sincere forever haier group haier industrial park, no.1, haier road 266101, qingdao, china http://www.Haier.Com air conditioner edition:2006/1/10