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Haier 2U14CS1ERA Service manual

Other manuals for 2U14CS1ERA: Installation Manual
Manual is about: EK Series Wall mounted Type

Summary of 2U14CS1ERA

  • Page 1

    Service manual order no. Ek-series © (qingdao haier air conditioner general corp.,ltd) all right reserved .Unauthorized copying and distribution is a violation of law haier group this service information is designed for experienced repair technicians only and is not designed for use by the general p...

  • Page 2

    14 14 41 41 41 29 52 68 83 85 87 horiaontal flap 9 9.1 9.2 9.3 90 88 n a p drain 89 vertical blades and swing motor 91 93 9.4 9.5 9.6 9.7 9.8 5.3 22 5.2 83 removal of front panel removal of air filter of indoor unit main function and control specification of outdoor unit 2u14cs1era-sm.

  • Page 3

    107 107 108 110 11 description of coding rules of unit model......................................................112 9.11 removal of fan and fan motor .................................................................100 2u14cs2era-sm 9.13 removal of compressor and heat exhange ........................

  • 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

    107 107 108 110 11 description of coding rules of unit model......................................................112 9.11 removal of fan and fan motor .................................................................100 2u14cs1era-sm 9.13 removal of compressor and heat exhange ........................

  • 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: 3 Specification

    15700(5100~17050) 14300(4100~19800) 1070(290~1400) 1090(335~1650) 3.93 4.22 - 0.15 0.15 33 33 4.6(1.5~5.0) 8.8. 11.3 4 4.2(1.2~5.8) 3612(1032~4988) 7 4.9 5.0 2.8 30(double)20(single) 20 15 20 360x871x304 3 specification 3956(1290~4300) 9.52 265×795×187 2u14cs1era (9+12)k 2u14cs1era-sm 7.5/8.0(7k/9k)...

  • Page 11

    0.48 r410a 1.2 35 1236 35 1236 41 38 51 540x780x270 612x905x375 1070 1090 4.9 5.0 51 40 61 61 855 ester oil vg74 5 2u14cs1era-sm da108x1c-20fz3 6 2u14cs1era.

  • Page 12

    2u14cs1era-sm connector wiring diagram 9 domestic air conditioner 3ulqwhg&lufxlw%rdug&rqqhfwru:lulqj'ldjudp 4.1 ᧶indoor unit connectors connectors pcb(1) 1) cn26 connector for fan motor 2) cn1 connector for heat exchanger thermistor and room temperature thermistor 3) cn11 connector for up&down step ...

  • Page 13

    2u14cs1era-sm connector wiring diagram 10 domestic air conditioner pcb(1) cn11 cn32 cn1 cn26 cn27 sw1 con2 con1 con8 con7 con6 cn34 cn20

  • Page 14

    2u14cs1era-sm connector wiring diagram 11 domestic air conditioner 4.2 ᧶outdoor unit connectors pcb(1) (control pcb) 1) cn1,cn2 connector for power n and l 2) cn3 ǃcn8 connector for ground 3) cn23 connector for dc power 15vand 5v to the module board 4) cn9,cn10 connector for cn9,cn8 on the module bo...

  • Page 15

    2u14cs1era-sm connector wiring diagram 12 domestic air conditioner pcb(1) cn36 cn17 cn28 cn23 cn18 cn16 cn9 cn8 cn10 cn3 cn11 cn15 cn24 cn25 cn19 cn20 cn21 cn1 cn2 cn47 cn49 cn45.

  • Page 16

    2u14cs1era-sm connector wiring diagram 13 domestic air conditioner pcb(2) cn1 cn5 cn6 cn7 cn10 cn11 cn8 cn9 cn2 cn3 cn4.

  • Page 17: 5.Funcitions and Control

    2u14cs1era-sm functions and control 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 system is under the automatic operation option, the appropriate operation mode will be decided according to the diff...

  • Page 18

    2u14cs1era-sm functions and control 15 domestic air conditioner manus: when the system is operating, you can set the high, medium or low speed manually. ( when the sensor is on or off, the system will change the speed 2 seconds after receiving the signal.) *airgate location control: the location for...

  • Page 19

    2u14cs1era-sm functions and control 16 domestic air conditioner * timing system on/off function. * dormant control function. 5.1.4 heating operation mode. * temperature control range: 16---30 ć * temperature difference: r1ć * control feature: the temperature compensation is automatically added and t...

  • Page 20

    2u14cs1era-sm functions and control 17 domestic air conditioner 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 operation or signal control...

  • Page 21

    2u14cs1era-sm functions and control 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 coolin...

  • Page 22

    2u14cs1era-sm functions and control 19 domestic air conditioner 5.1.10 urgent on/off input press the urgency button the buzzer will ring. The system will enter the automatic mode if you don’t press the button for more than 5 seconds. Under the system off mode, if you press the urgency key for 5 to 1...

  • Page 23

    2u14cs1era-sm functions and control 20 domestic air conditioner 5.1.13 abnormal operation of indoor system when the outdoor system operates, if the indoor system operation differs from the outdoor system, the abnormal operation malfunction will be reported. 10s after the report, the indoor system wi...

  • Page 24

    2u14cs1era-sm functions and control 21 domestic air conditioner operate according to the set mode and neglect the communication signals of the outdoor system. However, it has to send signals to the outdoor system. * quitting condition: this mode can be quitted after receiving the quitting signal fro...

  • Page 25

    2u14cs1era-sm functions and control 22 domestic air conditioner second—lcd screen lights for 0.5 second— the step-in motor fully output for 0.5 second—then the motor doesn’t output for 0.5 second—the motor fully output again for 0.5 second. The test program finishes. 5.1.20 time cutting function: co...

  • Page 26

    2u14cs1era-sm functions and control 23 domestic air conditioner 5.2.1.4 ˖the calculation of the compressor’s frequency 1 ˅ǃthe minimum/maximum frequency limitation a ˊ while refrigerating: ˢ ˉ ˩ ˝ ˴ ˉ ̎ is the maximum operation frequency of the compressor; ˢˉ˩inˉ̎ is the minimum operation frequency ...

  • Page 27

    2u14cs1era-sm functions and control 24 domestic air conditioner refrigeration/dehumidification mode:: serial no. Temperature scope frequency limitation 1 twh ̰16 max_hz1 34hz 2 16 ̰24 max_hz2 40 hz 3 24 ̰32 max_hz3 62 hz 4 32 ̰44 max_hz4 68 hz 5 twh>44 max_hz5 40 hz remarks: the above are not only t...

  • Page 28

    2u14cs1era-sm functions and control 25 domestic air conditioner seconds). 5.2.2.1 ˖ the outdoor fan control when refrigerating or dehumidifying after the compressor is started for 5 seconds, the outdoor fan is started at the medium speed at first, after 30 seconds,it begins to control the airflow sp...

  • Page 29

    2u14cs1era-sm functions and control 26 domestic air conditioner close the four-way valve. 5.2.5 protection function 5.2.5.1 ttc high temperature-preventing protection once the machine is started, it can run ttc overheating protection of air-blowing, but air-blowing sensor malfunction must alarm afte...

  • Page 30

    2u14cs1era-sm functions and control 27 domestic air conditioner p ˖decreasing at the speed of 1hz/10 ⾦ seconds q ˖continue to keep the last-time instruction cycle r ˖increasing at the speed of 1hz/10seconds remarks: the outdoor unit 5.2.5.3 the control of preventing the overcurrent of the compressor...

  • Page 31

    2u14cs1era-sm functions and control 28 domestic air conditioner 0 ć stop when tpg_indoor LJ ice_temp_1ć, the frequency of the compressor decreases at the speed of 1hz/1second. When tpg_indoor LJ ice_temp_2ć, the frequency of the compressor decreases at the speed of 1hz/10seconds. When tpg_indoor begin...

  • Page 32

    2u14cs1era-sm functions and control 29 domestic air conditioner the complete appliance’s malfunctions are prior to the units’ malfunctions. Annex 1 ˖malfunction codes of the whole unit remarks: under the mode of refrigeration, the malfunctions of each unit’s thin pipe temperature sensor are not repo...

  • Page 33

    2u14cs1era-sm functions and control 30 domestic air conditioner -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 70.0342 64.3023 58.9863 -1.66 1.54 -14 66.3463 61.0123 56.0565 -1.64 1.52 -13 62.8755 57.9110 53.2905 -1.62 1.51 -1...

  • Page 34

    2u14cs1era-sm functions and control 31 domestic air conditioner 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 -0.91 0.90 31 8.1371 7.8428 7.5522 -0.95 0.93 32 7.8299 7.5377 7.2498 -0.98 0.97 33 7.5359 7.2461 6.9611 -1...

  • Page 35

    2u14cs1era-sm functions and control 32 domestic air conditioner 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 2.63 76 1.7434 1.6021 1.4710 -2.88 2.67 77 1.6913 1.5528 1.4243 -2.92 2.71 78 1.6409 1.5051 1.3794 -2...

  • Page 36

    2u14cs1era-sm functions and control 33 domestic air conditioner 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 -5.28 4.70 5.3.2 outdoor unit ambient sensor, defrosting sensor, pipe sensor r25 ć=10k¡f3% b25ć/50ć=370...

  • Page 37

    2u14cs1era-sm functions and control 34 domestic air conditioner 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 19.7982 -1.15 1.12 9 20.9688 19.9409 18.9463 -1.13 1.09 10 20.0176 19.0621 18.1358 -1.11 1.07 11 19.1149 18.2270 17.3646 -1.08 1.05 12 18.2580 1...

  • Page 38

    2u14cs1era-sm functions and control 35 domestic air conditioner 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 1.74 54 3.5374 3.3227 3.1183 -1.87 1.78 55 3.4195 3.2085 3.0079 -1.91 1.82 56 3.3060 3.0989 2.9021 -1.95 1.85 57 3.1969 2.9935 2.8005 -2...

  • Page 39

    2u14cs1era-sm functions and control 36 domestic air conditioner 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 3.64 99 0.8983 0.8088 0.7275 -4.07 3.69 100 0.8741 0.7863 0.7067 -4.12 3.74 101 0.8507 0.7646 0.6867 -4.18 3.78 102 0.8281 0.7436 0.6672...

  • Page 40

    2u14cs1era-sm functions and control 37 domestic air conditioner -15 5375.5683 4558.1906 3861.6201 -2.76 2.35 -14 5045.9114 4286.5535 3638.1938 -2.75 2.34 -13 4738.4141 4032.7098 3429.0191 -2.73 2.34 -12 4451.4586 3795.3910 3233.1039 -2.72 2.33 -11 4183.5548 3573.4260 3049.5312 -2.70 2.32 -10 3933.32...

  • Page 41

    2u14cs1era-sm functions and control 38 domestic air conditioner 30 441.0535 402.2430 366.5175 -1.99 1.83 31 420.1431 383.7151 350.1301 -1.97 1.81 32 400.3242 366.1295 334.5542 -1.95 1.80 33 381.5350 349.4341 319.7460 -1.93 1.78 34 363.7176 333.5801 305.6645 -1.90 1.76 35 346.8176 318.5216 292.2709 -...

  • Page 42

    2u14cs1era-sm functions and control 39 domestic air conditioner 75 62.3423 60.1906 58.0609 -0.95 0.94 76 59.9821 57.9770 55.9885 -0.92 0.92 77 57.7223 55.8552 53.9998 -0.90 0.89 78 55.5583 53.8210 52.0912 -0.87 0.87 79 53.4856 51.8706 50.2591 -0.85 0.84 80 51.5000 50.0000 48.5000 -0.85 0.84 81 49.70...

  • Page 43

    2u14cs1era-sm functions and control 40 domestic air conditioner 120 14.1376 13.1879 12.2909 -2.41 2.27 121 13.7294 12.7955 11.9144 -2.45 2.31 122 13.3347 12.4165 11.5510 -2.50 2.35 123 12.9531 12.0503 11.2003 -2.54 2.39 124 12.5840 11.6965 10.8617 -2.58 2.43 125 12.2270 11.3545 10.5348 -2.63 2.47 12...

  • Page 44

    41 2u14cs1era-sm.

  • Page 45

    42 domestic air conditioner 2u14cs1era-sm introduction outdoor unit 4 loading of the battery 1 2 3 4 parts and functions indoor unit outlet inlet connecting piping and electrical wiring drain hose remote controller remove the battery cover; load the batteries as illustrated. 2 r-03 batteries, resett...

  • Page 46

    43 domestic air conditioner 2u14cs1era-sm introduction 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 the...

  • Page 47

    44 domestic air conditioner 4 2u14cs1era-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 change when sleeping operation mode 1. In cool,dry mod...

  • Page 48

    45 domestic air conditioner 2u14cs1era-sm introduction 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: blank timer on timer off timer on-off then select your...

  • Page 49

    46 domestic air conditioner 6 2u14cs1era-sm introduction indoor unit installaion driver ● torque wrench ● (17mm,22mm,26mm) nipper ● reamer ● hacksaw ● pipe cutter ● gas leakage detector or ● soap-and-water solution hole core drill ● flaring tool ● spanner(17,19 and 26mm) ● knife ● measuring tape ● n...

  • Page 50

    47 domestic air conditioner 6 2u14cs1era-sm introduction indoor unit installation 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 hol...

  • Page 51

    48 domestic air conditioner 6 2u14cs1era-sm introduction 1. Insert from outside the room cable into left side of the wall hole, in which the pipe has already existed. 2. Pull out the cable on the front side, and connect the cable making a loop. When connecting the cable, confirm the terminal number o...

  • Page 52

    49 domestic air conditioner 6 reduced. 2u14cs1era-sm 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...

  • Page 53

    50 domestic air conditioner 2u14cs1era-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 insta...

  • Page 54: Haier Group

    Domestic air conditioner 2u14cs1era-sm introduction 51 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 ...

  • Page 55

    2u14cs1era-sm service diagnosis 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 equipme...

  • Page 56

    S i s o n g a i d e c i v r e s 2u14cs1era-sm 53 domestic air conditioner 7.4.Error codes and description indoor display code indication description reference page indoor outdoor (led1 flash times) indoorand outdoor e7 15 communication fault between indoor and outdoor units page .64 indoor malfuncti...

  • Page 57

    2u14cs1era-sm service diagnosis domestic air conditioner 7.4.1 thermistor or related abnormality indoor display e1: room temperature sensor failure e2: heat-exchange sensor failure outdoor display led1 flash 10 times ˖frost-removing temperature sensor failure led1 flash 11 times ˖suction temperature...

  • Page 58

    2u14cs1era-sm service diagnosis 55 domestic air conditioner 7.4.2 eeprom abnormal indoor display e4: indoor eeprom error indoor display f12: outdoor eeprom error ;outdoor led1 flash 1 times method of the data detected by the eeprom are used to determine mcu malfunction detection malfunction when the...

  • Page 59

    2u14cs1era-sm service diagnosis 56 domestic air conditioner 7.4.3 indoor ac 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 r...

  • Page 60

    2u14cs1era-sm service diagnosis 57 domestic air conditioner 7.4.4 outdoor dc fan motor fault 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. Check wh...

  • Page 61

    2u14cs1era-sm service diagnosis 58 domestic air conditioner 7.4.5 ipm protection outdoor display led1 flash 2 times method of ipm protection is detected by checking the compressor running condition and so on malfunction detection malfunction Ƶ the system leads to ipm protection due to over current d...

  • Page 62

    2u14cs1era-sm service diagnosis 59 domestic air conditioner 7.4.6 over-current of the compressor outdoor display led1 flash 3 or 24 or 25 times method of the current of the compressor is too high malfunction detection malfunction when the ipm module is damaged decision or the compressor is damaged c...

  • Page 63

    2u14cs1era-sm service diagnosis 60 domestic air conditioner 7.4.7 the communication fault between ipm and outdoor pcb outdoor display led1 flash 4 times method of communication is detected by checking the ipm module and the outdoor pcb malfunction detection malfunction Ŷ the outdoor pcb broken leads...

  • Page 64

    2u14cs1era-sm service diagnosis 61 'rphvwlf $lu &rqglwlrqhu 7.4.8 power supply over or under voltagve fault outdoor display : led1 flash 6 times the power supply is over voltage method of an abnormal voltage rise or fall is detected by checking the specified voltage detection circuit. Malfunction de...

  • Page 65

    2u14cs1era-sm service diagnosis 62 domestic air conditioner troubleshooting * caution be sure to turn off power switch before connect or disconnect connector, or else parts damage may be occurred. 7.4.9 overheat protection for exhaust temperature outdoor display led1 flash 8 times method of the exha...

  • Page 66

    2u14cs1era-sm service diagnosis 63 domestic air conditioner electrify the machine again and turn it on with the remote controller, then measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit the temperature exceeds 110 shortly after the ć machine starts up? 1...

  • Page 67

    2u14cs1era-sm service diagnosis 64 domestic air conditioner 7.4.10 the communication fault between indoor and outdoor indoor display e7 outdoor display led1 flash 15 times method of communication is detected by checking the indoor pcb and the outdoor pcb malfunction detection malfunction Ŷ the outdo...

  • Page 68

    2u14cs1era-sm service diagnosis 65 domestic air conditioner ˄a˅ no yes yes check the status of led1 on the indoor mainboard. If the led1 blinks interruptedly ˛ 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...

  • Page 69

    2u14cs1era-sm service diagnosis 66 domestic air conditioner 7.4.11 loss of synchronism detection inverter side current detection is abnoraml outdoor display led1 flash 18 times led1 flash 19 times method of the position of the compressor rotor can not detected normally malfunction detection malfunct...

  • Page 70

    2u14cs1era-sm service diagnosis 67 domestic air conditioner 7.4.12 high work-intense protection outdoor display led1 flash 21 times method of high work-intense control is activated in the heating mode if the temperature malfunction being sensed by the heat exchanger thermistor exceeds the limit. Det...

  • Page 71: 8 Installation

    68 domestic air conditioner installation 2u14cs1era-sm 8 installation selection of installation place ce all the products are in conformity with the following european provision: - low voltage directive 73/23/eec - low voltage directive 2006/95/ec -electomagnetic compatibility 89/336/eec -electomagn...

  • Page 72

    69 domestic air conditioner installation 2u14cs1era-sm please be subject to the actual product purchased. The above indoor and outdoor units’ picture is just for your reference. The models adopt hfc free refrigerant r410a. For installation of the indoor units,refer to the installation manual which w...

  • Page 73

    70 domestic air conditioner warning caution installation 2u14cs1era-sm.

  • Page 74

    71 domestic air conditioner installation 2u14cs1era-sm.

  • Page 75: Safety Precautions

    Precautions for handling units for use with r410a do not use the existing refrigerant piping the old refrigerant and refrigerator oil in the existing piping contain a large amount of chlorine, which will cause the refrigerator oil in the new unit to deteriorate. R410a is a high-pressure refrigerant,...

  • Page 76: Safety Precautions

    Before installing (relocating) the unit or performing electric work ground the unit. Do not connect the grounding on the unit to gas pipes,water pipes, lightning rods, or the grounding terminals of telephones. Improper grounding presents a risk of electric shock, smoke, fire, or the noise caused by ...

  • Page 77

    Installation 2u14cs1era-sm 74 domestic air conditioner.

  • Page 78

    Installation 2u14cs1era-sm 75 domestic air conditioner.

  • Page 79

    Installation 2u14cs1era-sm 76 domestic air conditioner.

  • Page 80

    No wind direction air outlet cushion rubber 4.Installation dimension(unit:mm) installation 2u14cs1era-sm 77 domestic air conditioner.

  • Page 81

    2u14cs1era 2u18fs1era 1. 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 makes working easier. ● the connection pipe is specialized for r410a. ● half union flare nut torque ...

  • Page 82

    Installation 2u14cs1era-sm 79 domestic air conditioner.

  • Page 83

    2-way valve 3-way valve 2-way valve 3-way valve 2-way valve 3-way valve 2-way valve 3-way valve if the refrigerant of the air conditioner leaks, it is necessary to discharge all the ƽ refrigerant. Vacuumize first, then charge the liquid refrigerant into air conditioner according to the amount marked ...

  • Page 84

    2u14cs1era 2u18fs1era t 25a/250v. 2u14cs1era 2u18fs1era model connecting wiring power cable 3g2.5mm 2 4g0.75mm 2 ) c( 3 ) n( 1) l( 2 ) c( 3 ) n( 1 ) l( 2 outdoor unit a outdoor unit b ^ power to indoor unit a to indoor unit b double double 14k outdoor unit a outdoor unit b ^ power to indoor unit a t...

  • Page 85

    15 outdoor unit troubleshooting 2 9 15 8 12 10 5 13 19 1 18 4 11 6 25 25 25 110 haier group address:no.1 haier road,hi-tech zone,qingdao 266101 p.R.China contacts: tel +86-532-8893-6943;fax +86-532-8893-1010 website: www.Haier.Com suction temperature sensor failure when the the wiring of compressor ...

  • Page 86

    83 domestic air conditioner removal of procedure 2u14cs1era-sm.

  • Page 87

    84 domestic air conditioner removal of procedure 2u14cs1era-sm 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..

  • Page 88

    85 domestic air conditioner removal of procedure 2u14cs1era-sm removal of front panel please close the panels before start the removal procedure of front grille. Slide the front panel from one side to another to release each axis. Open the front panel until it is on the horizontal position, and then...

  • Page 89

    86 domestic air conditioner removal of procedure 2u14cs1era-sm three two hooks.

  • Page 90

    87 domestic air conditioner removal of procedure 2u14cs1era-sm 3 horizontal flap flap flap flap flap.

  • Page 91

    88 domestic air conditioner removal of procedure 2u14cs1era-sm 4 5hprydori'udlqsdq 3urfhgxuh :duqlqj %hvxuhwrzdlwplqxwhvrupruhdiwhuwxuqlqjriidoosrzhuvxssolhv ehiruhglvdvvhpeolqjzrun 6whs 3urfhgxuh 3rlqwv 5hpryhwkh'udlqsdq /rrvhqwkhpdunhg vfuhzvxqghuwkh vfuhzfryhuv /liwxswkhorzhusduwri wkhjuloohwruho...

  • Page 92

    89 domestic air conditioner removal of procedure 2u14cs1era-sm 5 5hprydori9huwlfdo%odghvdqg6zlqj0rwru 3urfhgxuh :duqlqj %hvxuhwrzdlwplqxwhvrupruhdiwhuwxuqlqjriidoosrzhuvxssolhv ehiruhglvdvvhpeolqjzrun 6whs 3urfhgxuh 3rlqwv 5hpryhwkhdvvhpeo\ri wkhrxwohwjulooh 5hpryhwkhyhuwlfdo eodghv 3xvkwkhkrrnvrqwk...

  • Page 93

    90 domestic air conditioner removal of procedure 2u14cs1era-sm 6 5hprydori(ohfwulfdo%r[ 3urfhgxuh :duqlqj %hvxuhwrzdlwplqxwhvrupruhdiwhuwxuqlqjriidoosrzhuvxssolhv ehiruhglvdvvhpeolqjzrun 6whs 3urfhgxuh 3rlqwv 5hpryhwkhiurqwjulooh 'lvfkdujhwkhvwdwlf hohfwulflw\iurp\rxuerg\ ehiruhwrxfklqjwkhhohfwulfdo...

  • Page 94

    91 domestic air conditioner removal of procedure 2u14cs1era-sm 7 5hprydori+hdw([fkdqjhu 3urfhgxuh :duqlqj %hvxuhwrzdlwplqxwhvrupruhdiwhuwxuqlqjriidoosrzhuvxssolhv ehiruhglvdvvhpeolqjzrun 6whs 3urfhgxuh 3rlqwv xqlwzlwkrxwuhprylqjwkh dvvhpeo\riwkhrxwohwjulooh &dxwlrq ,ijdvohdnvuhsdluwkhvsrwri ohdnlqjw...

  • Page 95

    92 domestic air conditioner removal of procedure 2u14cs1era-sm 77 5hohdvhwkh krrnv 5hohdvhwkhkrrniurp wkhedfnvlgh /liwxswkhorzhusduwri wkhil[wxuhsodwhdqg uhpryhlw 6whs 3urfhgxuh 3rlqwv 5hpryhwkhkhdw h[fkdqjhu.

  • Page 96

    Domestic air conditioner removal of procedure 2u14cs1era-sm 8.

  • Page 97

    Domestic air conditioner removal of procedure 2u14cs1era-sm 5hpryhwkhidq /liwxswkhuljkwsduwri wkhidq prwru dqgvolgh lw wrwkhuljkwzdugwr uhpryh 6whs 3urfhgxuh 3rlqwv /rrvhqwkhpdunhg vfuhz.

  • Page 98

    Domestic air conditioner removal of procedure 2u14cs1era-sm 9.

  • Page 99

    Domestic air conditioner removal of procedure 2u14cs1era-sm loosen the top panel screws 1 2 lift the top panel.

  • Page 100

    Domestic air conditioner removal of procedure 2u14cs1era-sm loosen the csrews and pull the panel.

  • Page 101

    Domestic air conditioner removal of procedure 2u14cs1era-sm 2 pull the wind circle push the hooks first remove the inlet grill.

  • Page 102

    99 domestic air conditioner removal of procedure 2u14cs1era-sm 10

  • Page 103

    Domestic air conditioner removal of procedure 2u14cs1era-sm 11.

  • Page 104

    101 domestic air conditioner removal of procedure 2u14cs1era-sm 2 loosen the fixing screws and remove the motor.

  • Page 105

    Domestic air conditioner removal of procedure 2u14cs1era-sm 102 12.

  • Page 106

    103 domestic air conditioner removal of procedure 2u14cs1era-sm and remove the reactor loosen the screw.

  • Page 107

    104 domestic air conditioner removal of procedure 2u14cs1era-sm 13 loosen the marked screws and pull out the backgurd.

  • Page 108

    105 domestic air conditioner removal of procedure 2u14cs1era-sm loosen the marked screws and remove the stop valves loosen the marked screws and remove the stop valves bracket 2 3.

  • Page 109

    106 domestic air conditioner removal of procedure 2u14cs1era-sm and remove the reactor loosen the screw.

  • Page 110

    $sshqgl[ 107 10. Appendix 10.1 piping diagrams 2u14cs1era-sm.

  • Page 111

    Domestic air conditioner wring diagram 108 10.2 wiring diagrams indoor 2u14cs1era-sm.

  • Page 112

    Domestic air conditioner wring diagram 109 outdoor 2u14cs1era-sm : : 02'8/(%2$5' 0$,13&%%2$5' $&)$102725 %/2&. 5 : % &: 69 58 &2035(6625 %/ 25 3 8 9 : 1 : % $&1 $&/ 3)&5($&725 / /, &1 &1 &1 &1 &1 &1 &1 &1 &1 %/ % %/ % &1 &1 &1 1 &1 3 *1 ' *1 ' 3 72,1'22581,7$ 72,1'22581,7% 02'8/(32:(5 02'8/(&20 &1 &...

  • Page 113

    Domestic air conditioner wring diagram 110 10.3 circuit diagram 2u14cs1era-sm pte3/osc2 43 pte4/osc1 44 ptc3 5 ptd0/ss 12 ptd1/miso 13 ptd4/t1ch0 18 reset 1 vdd 17 vss 16 vdda 40 vssa 41 irq 11 ptc1 3 ptc2 4 ptc4 6 pte0/txd 9 pte1/rxd 10 ptd2/mosi 14 ptd3/spsck 15 ptc0 2 pte2 42 pta7/kbd7 39 ptd7/t2...

  • Page 114

    Domestic air conditioner wring diagram 2u14cs1era-sm outdoor unit control board circuit diagrams 㝼㚔 䯔 d1 1 㝼㚔 䯔 c1 2 mo d e 3 㝼㚔 䯔 b1 4 㝼㚔 䯔 a1 5 re se t 6 xo ut 7 vs s /a v s s 8 xi n 9 vc c /a v c c 10 sd a 11 sc l 12 Ⳉ⌕ 亢 ᴎ 䇗䗳 13 㝼㚔 䯔 d2 14 㝼㚔 䯔 c2 15 ᬙ䱰 ♃ 16 㝼㚔䯔b2 17 㝼㚔䯔a2 18 nc 19 nc 20 nc 21 t...

  • Page 115

    Domestic air conditioner appendix 112 2u14cs1era-sm examples: as09gs1era ,it represents wall-mounted split type heat pump air conditioner cooling capacity is 9000btu/h,and the power supply is 220-240v/50hz,”s” means easy stock ,and"e" means the refrigerant is r410a. Apply to ˖t1;220~240v50hz1ph plat...

  • Page 116: Sincere Forever

    W hongjin chen huimin li peng yang bifei the end sincere forever haier group 88936935 2u14cs1era-sm.