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Haier HSU12VHG(DB)-W Service manual

Manual is about: Wall mounted Type DC Inverter EK-Series

Summary of HSU12VHG(DB)-W

  • Page 1

    Order no. Ac1 s00 v0 wall mounted type model no.Hsu12 hg(db) outdoor unit indoor unit and remote controller haier group service manual dc inverter ek-series 201 (. (. (..

  • Page 2

    14 14 40 40 40 28 49 64 68 70 72 horiaontal blade and front grill 9 9.1 9.2 9.3 75 73 74 vertical blades and swing motor 76 78 9.4 9.5 9.6 9.7 9.8 5.3 21 5.2 68 removal of front panel removal of air filter of indoor unit main function and control specification of outdoor unit hsu12 hg(db)-sm drain p...

  • Page 3

    9.9 9.11 9.10 9.12 9.13 hsu12 hg(db)-sm indoor unit outdoor unit 94 91 90 89 89 87 85 84 83 80 10.1 10.2 removal of fan and fan motor removal of electrical box removal of outdoor panel removal of fan motor bracted and partition removal of compressor and heat exchanger …………………………………………………… …………………………...

  • Page 4

    Introduction domestic air conditioner 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 i...

  • Page 5

    Introduction domestic air conditioner 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. Be sure to prov...

  • Page 6

    Introduction domestic air conditioner 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...

  • Page 7

    Introduction domestic air conditioner 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...

  • Page 8

    Introduction domestic air conditioner caution check to see if the parts and wires are mounted and connected properly, and if the connections at the soldered or crimped terminals are secure. Improper installation and connections can cause excessive heat generation, fire or an electrical shock. If the...

  • Page 9

    Category healthy negative ion child lock 3d air flow 24hour timer easy clean design intelligent air anti-mold filter 4 fan setting auto mode power mode soft mode note: y: holding functions n : no functions make your room full of an abundance natural negative ions. Functions quick cooling or heating ...

  • Page 10

    12630(5120-13990) 11950(4780-13300) 920(350~1350) 960(370~1350) 3.8 3.85 - - 3.7(1.5~4.1) 4 3010(1204~3354) 4.1 4.3 2.82 22 28/29 32 4/5 49 1/5 0.018 3182(1290~3526) 3/8 36 13 /14 x 10 3/7 x7 1/3 42/39/34 52 hsu-12heg03/r2(db) 3.5(1.4 ~3.9) 96 97 1/4 5/8 10.7 8.3 6 11.1 8.6 6.4 hsu12 hg(db)-sm 7 6 9...

  • Page 11

    16 2/5 0.65 r410a 33.3 33.3 84.9 78.3 53/- 25 12/61 x 30 5/7 x 9 2/3 28 1/9 x 36 3/5 x13 27/70 ester oil vg74 920 960 4.1 4.3 53/- da89x1c-20fz 690 6 40 95 97 2.4 1175 1175 8 hsu12 hg(db)-sm 63 63 lbs inches inches lbs lbs feet pints.

  • Page 12

    Hsu12 hg(db)-sm connector wring diagram domestic air conditioner 4.Printed circuit board connector wiring diagram 4.1 ˖ indoor unit connectors connectors pcb(1) (control pcb) for hsu-12heg03/r2(db) 1) cn26 connector for fan motor 2) cn1 connector for heat exchanger thermistor and room temperature th...

  • Page 13

    Wiring diagrams domestic air conditioner 10 cn11 cn32 cn1 cn26 cn27 sw1 con2 con1 con8 con7 con6 cn34 cn20 pcb(1) hsu12 hg(db)-sm.

  • Page 14

    Domestic air conditioner 4.2: outdoor unit connectors pcb(1) (control pcb) 1) cn1,cn2 connector for power n and l 2) cn3 connector for ground 3) cn22 connector for dc power 15vand 5v to the module board 4) cn9,cn8 connector for cn2,cn1 on the module board 5) cn21 connector for fan motor 6) cn10 conn...

  • Page 15

    Hsu12hg(db)-sm wiring diagrams domestic air conditioner 12 pcb(1) cn1 cn2 cn3 cn22 cn8 cn9 cn21 cn10 cn17 cn18 cn19 cn20 cn23 cn24 cn26 cn4 cn16 cn5 cn6.

  • Page 16

    Hsu12 hg(db)-sm connector wring diagram 13 domestic air conditioner pcb(2) cn1 cn2 cn3 cn4 cn5 cn6 cn7 cn11 cn10

  • Page 17

    Hsu12 hg(db)-sm wiring diagrams 14 domestic air conditioner 5.Funcitions and control 5.1 main functions and control specification of indoor unit 5.1.1 automatic operation when the running mode is turned to automation after starting the system, the system will first determine the running mode accordi...

  • Page 18

    Hsu12 hg(db)-sm wiring diagrams 15 domestic air conditioner 5.1.3 demoisture mode. * temperature control range: 16---30 ć * temperature difference: r 1 ć control feature: send the demoisture signal to the outdoor system. When tr>ts+2 ć , the compressor will be turned on, the indoor fan will operate ...

  • Page 19

    Hsu12 hg(db)-sm wiring diagrams 16 domestic air conditioner *indoor fan control manual control: you can choose high, medium, low and automatic speed control. Automatic: when tr when ts≤tr≤ts+2 ć , medium speed. When tr> ts+2 ć , low speed. When the airflow speed has no delay from the high to low swi...

  • Page 20

    Hsu12 hg(db)-sm wiring diagrams 17 domestic air conditioner 5.1.5 strength operation a. The system enters the mode after receiving the ‘strength signal’. Send strength operation signal to the outdoor system. The mode change finishes the strength operation. Entering ‘mute’, you can have normal operat...

  • Page 21

    Hsu12 hg(db)-sm wiring diagrams 18 domestic air conditioner 5.1.9 dormant operation the dormant timing is an eight hours unadaptable one. The timing signs are shown on the v series board. (rc series show the dormant signal, the timing light is lighted on the 6 lights board). 2.1 under the cooling/ d...

  • Page 22

    Hsu12 hg(db)-sm wiring diagrams 19 domestic air conditioner 5.1.11 low load protection control in order to prevent the frosting of the indoor heat interaction device, the outdoor system will be stopped if the indoor heat interaction temperature is below zero centigrade for 5 minutes, but the fan wil...

  • Page 23

    Hsu12 hg(db)-sm wiring diagrams 20 domestic air conditioner 2 .Indoor heat interaction sensor abnormality: under the operation, the normal temperature ranges from 120 degree to -30 degree. When the temperature goes beyond this range, the abnormality can be confirmed. If the temperature goes back int...

  • Page 24

    Hsu12 hg(db)-sm wiring diagrams 21 domestic air conditioner 2. Fixed heating: a. Under g code condition: high speed heating, set 30 ć , press temperature ‘+‘ key and the set key at the same time. The system will enter the fixed frequency operation after the buzzer rings twice. B. The proceeding prog...

  • Page 25

    Hsu12 hg(db)-sm wiring diagrams 22 domestic air conditioner 5.2.1.3 ˖ the speeds of increasing or decreasing the frequency of the compressor the speed of increasing or decreasing the frequency rapidly 1 -----------1hz/second the speed of increasing or decreasing the frequency slowly 2 -----------1hz...

  • Page 26

    Hsu12 hg(db)-sm wiring diagrams 23 domestic air conditioner heating mode ˖ k= ě ki/the number of running machines the calculation of the actual output frequency: when there is no healthy airflow: f =f-ed-* h p h k when the healthy airflow has been set: f =f-ed-* h p h k ˄ airflow speed ˅h k ˄ health...

  • Page 27

    Hsu12 hg(db)-sm wiring diagrams 24 domestic air conditioner 5.2.3 ˖ the control of the outdoor electronic expansion valve when starting the compressor: the opening size of the valve must be guaranteed to have entered into the standard opening size, and then the compressor can be started. When refrig...

  • Page 28

    Hsu12 hg(db)-sm wiring diagrams 25 domestic air conditioner 5.2.5.2 ˖ tc high temperature-preventing control of the indoor heating unit ˖ tpg_indoor is the highest value of the effective indoor unit (start it and it is in accord with the running state). The indoor heat exchanger sensor tests the tem...

  • Page 29

    Hsu12 hg(db)-sm wiring diagrams 26 domestic air conditioner 5.2.5.4 the protection function of ac current: during the starting process of the compressor, if the ac current is greater than 15a, the frequency of the compressor decreases at the speed of 1hz/second. During the starting process of the co...

  • Page 30

    Hsu12 hg(db)-sm wiring diagrams 27 domestic air conditioner 5.2.5.6 the frequency limitation of modification rate in the field which is controlled by high frequency, if the modification rate is not high enough, the control-driven chip will enter into weak magnetic control, this will help to relieve ...

  • Page 31

    Hsu12 hg(db)-sm wiring diagrams 28 domestic air conditioner 5.3 value of thermistor 5.3.1 intdoor unit room sensor and pipe sensor r25 ć =10k ¡f 3% b25 ć /50 ć =3700k f 3% temp.(( ć )) max.(kΩ) normal(kΩ) min.(kΩ) tolerance( ć ) -30 165.2170 147.9497 132.3678 -1.94 1.75 -29 155.5754 139.5600 125.080...

  • Page 32

    Hsu12 hg(db)-sm wiring diagrams 29 domestic air conditioner 2 29.2545 27.5519 25.9250 -1.29 1.24 3 27.8708 26.2858 24.7686 -1.27 1.22 4 26.5605 25.0851 23.6704 -1.25 1.20 5 25.3193 23.9462 22.6273 -1.23 1.18 6 24.1432 22.8656 21.6361 -1.20 1.16 7 23.0284 21.8398 20.6939 -1.18 1.14 8 21.9714 20.8659 ...

  • Page 33

    Hsu12 hg(db)-sm wiring diagrams 30 domestic air conditioner 47 4.5083 4.2666 4.0342 -1.57 1.51 48 4.3524 4.1145 3.8862 -1.61 1.55 49 4.2026 3.9686 3.7443 -1.65 1.59 50 4.0588 3.8287 3.6084 -1.70 1.62 51 3.9206 3.6943 3.4780 -1.74 1.66 52 3.7878 3.5654 3.3531 -1.78 1.70 53 3.6601 3.4416 3.2332 -1.82 ...

  • Page 34

    Hsu12 hg(db)-sm wiring diagrams 31 domestic air conditioner 92 1.0910 0.9882 0.8942 -3.69 3.37 93 1.0607 0.9599 0.8679 -3.74 3.42 94 1.0314 0.9326 0.8424 -3.80 3.46 95 1.0030 0.9061 0.8179 -3.85 3.51 96 0.9756 0.8806 0.7941 -3.90 3.55 97 0.9490 0.8558 0.7711 -3.96 3.60 98 0.9232 0.8319 0.7489 -4.01 ...

  • Page 35

    Hsu12 hg(db)-sm wiring diagrams 32 domestic air conditioner -21 97.6556 88.7989 80.6728 -1.78 1.63 -20 92.3028 84.0695 76.5017 -1.76 1.62 -19 87.2775 79.6222 72.5729 -1.74 1.60 -18 82.5577 75.4384 68.8710 -1.72 1.59 -17 78.1230 71.5010 65.3815 -1.70 1.57 -16 73.9543 67.7939 62.0907 -1.68 1.55 -15 70...

  • Page 36

    Hsu12 hg(db)-sm wiring diagrams 33 domestic air conditioner 24 10.7475 10.4216 10.0964 -0.75 0.75 25 10.3000 10.0000 9.7000 -0.75 0.75 26 9.8975 9.5974 9.2980 -0.76 0.76 27 9.5129 9.2132 8.9148 -0.80 0.80 28 9.1454 8.8465 8.5496 -0.84 0.83 29 8.7942 8.4964 8.2013 -0.87 0.86 30 8.4583 8.1621 7.8691 -...

  • Page 37

    Hsu12 hg(db)-sm wiring diagrams 34 domestic air conditioner 69 2.1652 2.0032 1.8516 -2.54 2.38 70 2.0983 1.9393 1.7908 -2.59 2.42 71 2.0337 1.8778 1.7324 -2.63 2.46 72 1.9714 1.8186 1.6761 -2.68 2.50 73 1.9113 1.7614 1.6219 -2.73 2.54 74 1.8533 1.7064 1.5697 -2.78 2.58 75 1.7974 1.6533 1.5194 -2.83 ...

  • Page 38

    Hsu12 hg(db)-sm wiring diagrams 35 domestic air conditioner 114 0.6043 0.5374 0.4775 -4.92 4.41 115 0.5891 0.5235 0.4648 -4.98 4.45 116 0.5743 0.5100 0.4524 -5.04 4.50 117 0.5600 0.4968 0.4404 -5.10 4.55 118 0.5460 0.4841 0.4288 -5.16 4.60 119 0.5325 0.4717 0.4175 -5.22 4.65 120 0.5194 0.4597 0.4066...

  • Page 39

    Hsu12 hg(db)-sm wiring diagrams 36 domestic air conditioner 2 1932.0242 1687.8144 1473.1460 -2.50 2.20 3 1825.0899 1597.0431 1396.2333 -2.48 2.19 4 1724.6540 1511.6468 1323.7551 -2.47 2.17 5 1630.2870 1431.2787 1255.4324 -2.45 2.16 6 1541.5904 1355.6163 1191.0048 -2.43 2.15 7 1458.1938 1284.3593 113...

  • Page 40

    Hsu12 hg(db)-sm wiring diagrams 37 domestic air conditioner 47 199.6531 186.3369 173.7524 -1.63 1.54 48 190.9639 178.4584 166.6217 -1.60 1.52 49 182.6945 170.9508 159.8181 -1.58 1.50 50 174.8228 163.7951 153.3249 -1.56 1.48 51 167.3280 156.9733 147.1268 -1.53 1.46 52 160.1904 150.4683 141.2090 -1.51...

  • Page 41

    Hsu12 hg(db)-sm wiring diagrams 38 domestic air conditioner 92 34.0269 32.6151 31.2338 -1.26 1.23 93 32.9075 31.5096 30.1438 -1.30 1.27 94 31.8302 30.4467 29.0970 -1.33 1.30 95 30.7933 29.4246 28.0915 -1.37 1.34 96 29.7950 28.4417 27.1254 -1.41 1.37 97 28.8337 27.4961 26.1970 -1.45 1.41 98 27.9078 2...

  • Page 42

    Hsu12 hg(db)-sm wiring diagrams 39 domestic air conditioner 137 8.7404 8.0329 7.3760 -3.19 2.96 138 8.5059 7.8108 7.1660 -3.24 3.00 139 8.2787 7.5958 6.9629 -3.29 3.04 140 8.0584 7.3875 6.7664 -3.33 3.09.

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    Domestic air conditioner hsu12 hg(db)-sm system configuration 40

  • Page 44

    Domestic air conditioner introduction parts and functions indoor unit remote controller please be subject to the actual produce purchased the above picture is just from your reference air purifying filter (inside) inlet 1 inlet grille 2 outlet 3 (adjust left and vertical blade right air flow) 4 disp...

  • Page 45

    Domestic air conditioner introduction parts and functions hsu12 hg(db)-sm 42 outdoor unit loading of the battery 1 2 3 4 outlet inlet connecting piping and electrical wiring drain hose remove the battery cover; load the batteries as illustrated. 2 r-03 batteries, resetting key (cylinder); be sure th...

  • Page 46

    43 domestic air conditioner introduction hsu12 hg(db)-sm operation air flow direction adjustment press fan button. For each press, fan speed follows: remote controller: press button every time the button is pressed, temp.Setting increase 1 o c,if kept depressed, it will increase rapidly every time t...

  • Page 47

    44 domestic air conditioner sleep operation starts operation stops in heat mode 4 hsu12 hg(db)-sm introduction operation sleep operation if the wind speed is high or middle before setting for the sleep, set for lowing the wind speed after sleeping. If it is low wind, no change. 5.Set the wind speed ...

  • Page 48

    45 domestic air conditioner hsu12 hg(db)-sm introduction operation set clock correctly before starting timer operation. 1.After unit starts, select your desired operation mode. 2.Press timer button to change timer mode. Every time the button is pressed, display changes as follows: remote controller:...

  • Page 49

    46 domestic air conditioner 6 reduced. Introduction maintenance 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...

  • Page 50

    47 domestic air conditioner hsu12 hg(db)-sm introduction the power supply cord and so on. 2. Do not install in the place where there is any possibility of inflammable gas leakage around the unit. 3.Do not get the unit exposed to vapor or oil steam. Cautions please call sales/service shop for the ins...

  • Page 51

    48 domestic air conditioner introduction trouble shooting normal performance inspection noise is heard phenomenon cause or check points the system immediately. Smells are generated. Mist or steam are multiple check poor cooling when unit is stopped, it won't restart elapsed to protect the system. Wh...

  • Page 52

    Hsu12 hg(db)-sm service diagnosis 49 domestic air conditioner 7.Service diagnosis 7.1 caution for diagnosis the operation lamp flashes when any of the following errors is detected. 1.When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions, disabling eq...

  • Page 53

    Hsu12 hg(db)-sm service diagnosis 50 domestic air conditioner 7.3 error codes and description indoor display code indication description reference page indoor outdoor (led1 flash times) indoor ˂ outdoor e7 15 communication fault between indoor and outdoor units page .59 indoor malfunction e1 / room ...

  • Page 54

    Hsu12 hg(db)-sm service diagnosis 51 domestic air conditioner 7.3.1 thermistor or related abnormality indoor display e1: room temperature sensor failure e2: heat-exchange sensor failure outdoor display led1 flash 10 times ˖ defrost temperature sensor failure led1 flash 11 times ˖ suction temperature...

  • Page 55

    Hsu12 hg(db)-sm service diagnosis 52 domestic air conditioner 7.3.2 indoor fan motor malfunction indoor display e14 method of the rotation speed detected by the hall ic during fan motor operation is used to determine malfunction abnormal fan motor operation detection malfunction when the detected ro...

  • Page 56

    Hsu12 hg(db)-sm service diagnosis 53 domestic air conditioner yes no yes is rotation number command pulse generated? Is rotation number command voltage dc1 ̚ 6v generated? Yes yes no no yes replace indoor unit pcb replace fan motor replace indoor unit pcb replace indoor fan motor pcb no replace indo...

  • Page 57

    Hsu12 hg(db)-sm service diagnosis 54 domestic air conditioner 7.3.3 outdoor dc fan motor fault yes check whether terminal on the outdoor mainboard is well inserted. Is it normal? Yes no reinsert the terminals electrify the machine again and turn it on in the cool state with the remote controller. Ch...

  • Page 58

    Hsu12 hg(db)-sm service diagnosis 55 domestic air conditioner 7.3.4 ipm protection outdoor display led1 flash 2 times. Indoor display f1 method of ipm protection is detected by checking the compressor running condition and so on. Malfunction detection malfunction the system leads to ipm protection d...

  • Page 59

    Hsu12 hg(db)-sm service diagnosis 56 domestic air conditioner 7.3.5 the communication fault between ipm and outdoor pcb outdoor display led1 flash 4 times indoor display f3 method of communication is detected by checking the ipm module and the outdoor pcb. Malfunction detection malfunction the outdo...

  • Page 60

    Hsu12 hg(db)-sm service diagnosis 57 domestic air conditioner 7.3.6 overheat protection for discharge temperature indoor display f4 outdoor display led1 flash 8 times method of the exhaust temperature control is checked with the temperature being detected malfunction by the exhaust pipe thermistor. ...

  • Page 61

    Hsu12 hg(db)-sm service diagnosis 58 domestic air conditioner 7.3.7 eeprom abnormal indoor display e4 ˖ indoor eeprom error f12 ˖ outdoor eeprom error led1 flash 1 times method of the data detected by the eeprom are used to determine mcu. Malfunction detection malfunction when the data of eeprom is ...

  • Page 62

    Hsu12 hg(db)-sm service diagnosis 59 domestic air conditioner 7.3.8 communication error between the indoor and outdoor units indoor display e7 outdoor display led1 flash 15 times. Method of the date received from the another unit in indoor unit-outdoor unit signal transmission is malfunction checked...

  • Page 63

    Hsu12 hg(db)-sm service diagnosis 60 domestic air conditioner ˄ a ˅ yes no yes check the indoor mainboard. No if the voltage is of a constant value of 0v dcto5v dc yes measure the voltage between jumpers 3 and 4 of ic1 on the indoor mainboard with a multimeter. The outdoor mainboard is damaged; repl...

  • Page 64

    Hsu12 hg(db)-sm service diagnosis 61 domestic air conditioner 7.3.9 power supply over or under voltage fault indoor display f19 outdoor display: led1 flash 6 times method of an abnormal voltage rise or fall is detected by checking the specified voltage detection circuit. Malfunction detection malfun...

  • Page 65

    Hsu12 hg(db)-sm service diagnosis 62 domestic air conditioner 7.3.10 loop of the station detect error outdoor display led1 flash 18 times indoor display f11 led1 flash 19 times indoor display f28 method of the position of the compressor rotor can not detected normally malfunction detection malfuncti...

  • Page 66

    Hsu12 hg(db)-sm service diagnosis 63 domestic air conditioner 7.3.11 over-current of the compressor outdoor display led1 flash 3 indoor display f22 led1 flash 24 indoor display f2 led1 flash 25 indoor display f23 method of the current of the compressor is too high malfunction detection malfunction w...

  • Page 67

    Domestic air conditioner installation 8 installation drawing for the installation of indoor and outdoor units necessary tools for installation driver ƽ torque wrench ƽ (17mm,22mm,26mm) nipper ƽ reamer ƽ hacksaw ƽ pipe cutter ƽ gas leakage detector or ƽ soap-and-water solution hole core drill ƽ flari...

  • Page 68

    Domestic air conditioner installation indoor unit fix to side bar and lintel a mounting bar, which is separately sold, and then ● fasten the plate to the fixed mounting bar. Refer to the previous article, “ when the mounting plate is ● position of wall hole. Make a hole of 60 mm in diameter, slightly...

  • Page 69

    Indoor unit outdoor unit power cable: hsu-07hva103/r2(db) hsu-09hva103/r2(db) hsu-12hva103/r2(db) 4g1.5mm 2 hsu- 09ha103/r2(db) hsu- 12ha103/r2(db) indoor unit outdoor unit power 1(n) l n 2(l) 3(c) hfu-09ha03/r2(db) indoor unit 4g0.75mm 2 ) c( 3 ) n( 1 ) l( 2 ) c( 3 ) n( 1) l( 2 ^ power power cable:...

  • Page 70

    6 7 domestic air conditioner ,qvwdoodwlrq if the drain-elbow is used, please attach it as gure. (note: only for heat pump unit.) detach the service port’s cap of 1. 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 gau...

  • Page 71

    6 8 domestic air conditioner removal of procedure 9.1 hsu12hg(db)-sm.

  • Page 72

    69 domestic air conditioner removal of procedure 2 please embed the two during installation. Hooks on air filter completely into the unit please embed the air filters into the unit along the grooves as installation. Hsu12hg(db)-sm.

  • Page 73

    70 domestic air conditioner removal of procedure please close the panels before start the removal procedure of front grille. One side to another to release each axis. Until it is on the horizontal position, and then release the pivots on both sides of the unit to remove the front panel. 9.2 remocal ...

  • Page 74

    7 1 domestic air conditioner removal of procedure three two hooks hsu12 hg(db)-sm.

  • Page 75

    7 2 domestic air conditioner removal of procedure horizontal flap flap flap flap flap 9.3 hsu12 hg(db)-sm.

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    7 3 domestic air conditioner removal of procedure 9.4 hsu12 hg(db)-sm.

  • Page 77

    7 4 removal of procedure 9.5 hsu12 hg(db)-sm domestic air conditioner.

  • Page 78

    7 5 domestic air conditioner removal of procedure 9.6 hsu12 hg(db)-sm.

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    7 6 domestic air conditioner removal of procedure 9.7 hsu12 hg(db)-sm.

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    Domestic air conditioner 7 7 removal of procedure hsu12 hg(db)-sm.

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    Domestic air conditioner removal of procedure 7 8 hsu12 hg(db)-sm.

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    79 domestic air conditioner removal of procedure hsu12hg(db)-sm.

  • Page 83

    8 0 removal procedure 9 hsu12 hg(db)-sm.

  • Page 84

    8 1 removal procedure hsu12 hg(db)-sm.

  • Page 85

    Removal procedure 8 2 4 hsu12 hg(db)-sm.

  • Page 86

    8 3 removal procedure hsu12 hg(db)-sm 9.10

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    8 4 removal procedure 11 hsu12 hg(db)-sm.

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    8 5 removal procedure 12 hsu12 hg(db)-sm.

  • Page 89

    8 6 removal procedure hsu12 hg(db)-sm.

  • Page 90

    8 7 removal procedure hsu12 hg(db)-sm 9.13.

  • Page 91

    8 8 removal procedure hsu12 hg(db)-sm.

  • Page 92

    Hsu12 hg(db)-sm wiring diagrams 8 9 domestic air conditioner 10.Wiring diagrams 10.1. Indoor unit 127(67+(3$5762)'277('ķ and ĸ$5(237,21$/ 7+(81,7:,7+2877+(+($/7+)81&7,21+$6127ĸ 55(' ::+,7( 5(029$/2)7+(62&.(7&211(&725 6rfnhwfrqqhfwrupdunhgzlwk kdvorfnfdwfkzkhquhprylqj suhvvwkhorfnfdwfkdqgsxoo %5%52:1...

  • Page 93

    Hsu12 hg(db)-sm wiring diagrams domestic air conditioner 10.2.Outdoor unit %˖%/$&. %/˖%/8( 5˖5(' :˖:+,7( : 9 8 % : 5 5 % : cn13 cn10 cn16 ambient suction bl bl cn20 cn15 cn14 pe cn22 cn1 cn5 cn6 cn7 cn26 cn24 cn10 %/ cn19 cn18 cn17 cn1 cn2 cn4 25 cn23 cn11 cn4cn3cn2 cn3 cn9 cn8 cn9 cn8 % : ac-l ac-n...

  • Page 94

    Hsu12 hg(db)-sm wiring diagrams domestic air conditioner 9 1 11.Circuit diagrams 11.1.Indoor unit a0 1 a1 2 a2 3 vss 4 sda 5 scl 6 test 7 vcc 8 ic1 at24c02b r33 560Ω +5v c11 0.1uf r29 10k r30 10k scl sda eeprom r3 2k c1 0.1uf r11 2k r23 10k r10 10k +5v reset circuit xt1 fcr8.0mc5( ϝ㛮 ) c3 10nf c7 10...

  • Page 95

    Hsu12 hg(db)-sm wiring diagrams domestic air conditioner 11.2.Outdoorunit 11.2.1control bard circuit diagrams 1 3 gnd 4 gnd 3 gnd 2 gnd 1 vcc 8 gnd 7 scl 6 sda 5 ic6 at24c02b 1 cn2 ac-l 1 cn1 ac-n black white fuse1 t25a 250vac rv1 s14k350 r1 1m r12 100/1w cx1 225/275v l1 8mh/10a rv2 s14k350 rv3 s14k...

  • Page 96

    Hsu12 hg(db)-sm wiring diagrams domestic air conditioner 1 cn26 p 1 cn24 n e1 680u/400v/450v e2 680u/400v/450v cx6 105/275vac r23 220k/2w led2 power 250 connector 250 connector p n 11.2.2 module board circuit diagram c0 09 47 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ...

  • Page 97

    Domestic air conditioner hsu12 hg(db)-sm appendix 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" means the refrigerant is r407c. Applicable freq...

  • Page 98: Sincere Forever

    Wu hongjin shi longfei yu huali wang fei 86 532 88936935 the end sincere forever haier group hsu12hg(db)-sm.