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Haier 1U09/12BS1ERA Service Manual

Manual is about: Wall mounted Type DC Inverter EM-series

Summary of 1U09/12BS1ERA

  • Page 1

    Service manual order no. Em-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 30 52 67 82 84 86 horiaontal blade and front grill 9 9.1 9.2 9.3 89 87 88 vertical blades and swing motor 90 92 9.4 9.5 9.6 9.7 9.8 5.3 22 5.2 82 removal of front panel removal of air filter of indoor unit main function and control specification of outdoor unit as09/12gs2era 1u09/12bs...

  • Page 3

    102 100 98 94 97 9.9 9.11 removal o f fan and fan motor 9.10 9.12 9.13 ........................................................................ ........................................................................ .............................................................. As09/12gs2era 1u09/1...

  • 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

    10200 9000 770(340~1100) 770(330~1150) 3.43 3.90 3.74 - - - - 0.15 0.15 0.15 0.15 33 33 33 33 3.09(1.4~3.5) 8.8. 11.3 4 4 2270.4 3.6 3.6 1030(370~1420) 1060(320~1720) 4.8 4.8 1.2 7 10 10 10 15 15 0 2 0 2 871x304x360 2580 13100 12000 3.85(1.5~4.2) 3.52(1.4~4.0) 3027.2 3311 3.42 1.6 9.52 9.52 795x192x...

  • Page 11

    0.48 0.37 r410a r410a 1.02 30 1059 30 1059 36.5 33.5 33 30 930x340x614 780x245x540 930x340x614 1030 1030 4.8 4.8 51 20 40 40 61 52 62 855 31.7 1119.01 31.7 1119.01 5 as09/12gs2era 1u09/12bs1era-sm da108x1c-20fz3 da89x1c-20fz 1u09bs1era 0.65 690 3.6 15 8 ester il vg74 ester il vg74 770 770 93 1u12bs1...

  • Page 12

    Domestic air conditioner 4.Printed circuit board connector wiring diagram 4.1 indoor unit connectors connectors pcb(1) (control pcb) for hum09/12hc03/r2(db) 1) cn26 connector for fan motor 2) cn1 connector for heat exchanger thermistor and room temperature thermistor 3) cn11 connector for up&down st...

  • Page 13

    Domestic air conditioner pcb(1) cn11 cn32 cn1 cn26 cn27 sw1 con2 con1 con8 con7 con6 cn34 cn20 10 as09/12gs2era 1u09/12bs1era-sm connector wring diagram.

  • 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) cn13 connector for fan motor 6) cn10 conn...

  • Page 15

    As09/12gs2era 1u09/12bs1era-sm connectorwring diagram domestic air conditioner pcb(1) cn1 cn2 cn3 cn22 cn8 cn9 cn13 cn10 cn17 cn18 cn19 cn20 cn23 cn24 cn26 cn4 cn16 cn5 cn6 12.

  • Page 16

    Domestic air conditioner pcb(2) cn1 cn2 cn3 cn4 cn5 cn6 cn7 cn11 cn10 13 as09/12gs2era 1u09/12bs1era-sm connector wring diagram.

  • Page 17: 5.Funcitions And Control

    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 according to the current room temperature ...

  • Page 18

    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 the airgate can be set according to yo...

  • Page 19

    Domestic air conditioner * dormant control function. 5.1.4 heating operation mode. * temperature control range: 16---30 ć * temperature difference: " 1ć * control feature: the temperature compensation is automatically added and the system will send the heating signals to the outdoor system. If tr " ...

  • Page 20

    Domestic air conditioner the system operates at the cold air proof mode. * automatic heating temperature compensation: when the system enters the heating mode, the temperature compensation (4) will be added. When the status is switched off, the compensation will be erased. 5.1.5 strength operation a...

  • Page 21

    Domestic air conditioner off and the system will be turned off. If you have set the dormant functions, the order of your settings will be operated according to the timing settings. V\vwhprqdqgriiwlplqj the settings will be completed according to the orders. 5.1.9 dormant operation the dormant timing...

  • Page 22

    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 10 seconds, the system will start the te...

  • Page 23

    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 will be closed. Outdoor system mode indoo...

  • Page 24

    Domestic air conditioner * after the system enters the separate indoor system operation mode, the indoor system will 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 c...

  • Page 25

    Domestic air conditioner 5.1.20 display function when the system starts up or power on, the background and the led will be fully lighted for 3 seconds. Then the led displays the mode you have set. 5.1.20.1 three-color background the multi-color indicator is not lighted when the system is off. The mo...

  • Page 26

    Domestic air conditioner b ˊwhile heating: ˢˉ˩˝˴ˉ̀ is the maximum operation frequency of the compressor; ˢˉ ˩inˉ̀is the minimum operation frequency of the compressor. 1 ˅ǃthe frequency limitation which is affected by the environment temperature. Heating mode: serial no. Temperature scope frequency l...

  • Page 27

    Domestic air conditioner refrigeration/dehumidification mode: serial no. Temperature scope frequency limitation z h 6 4 1 z h _ x a m 8 2 c _ h w 1 z h 0 8 2 z h _ x a m 2 3 c _ h w 2 z h 2 7 3 z h _ x a m 0 4 c _ h w 3 z h 5 6 4 z h _ x a m 8 4 c _ h w 4 5 wh_c> ˙48 max_hz5 50 hz remarks: the above...

  • Page 28

    Domestic air conditioner after 30 seconds,it begins to control the airflow speed according to the temperature conditions of the outdoor environment. 5.2.2.2:the outdoor fan control when heating the temperature of the outdoor air ˄ta˅ airflow speed ta 22 ̱ ć w o l 19 ta ć̰ ć d e e p s e h t g n i p e...

  • Page 29

    Domestic air conditioner 5.2.5 ˖the outdoor defrosting control a.The conditions for entering into defrosting mode when starting running heating, the compressor continuously runs for over 10 minutes, after running for 45 minutes in all (defrosting is ended or when entering into refrigeration mode, cl...

  • Page 30

    Domestic air conditioner remarks: the outdoor unit 5.2.6.3 the control of preventing the overcurrent of the compressor during the starting process of the compressor, if the curren of the compressor is greater than 11a for 3 seconds, stop the compressor and alarm, after 3 minutes, start it again, if ...

  • Page 31

    Domestic air conditioner course of self-detection, there’s no such limitation) sensor detection methods: 100 times (one cycle of procedure run is one time, and about 5ms, detection method for each time: continuously sampling for 8 times, then order them and take the mean value of the middle 2 values...

  • Page 32

    Domestic air conditioner 12 //ice_temp_4 ć +2 ice_temp_4 9 increasing slowly ć 8 ć//ice_temp_3+2 keeping the frequency ice_temp_3 7 ć ice_temp_2 5 ć decreasing slowly ice_temp_1 3 ć decreasing rapidly ice_temp_1 0 ć stop when tpg_indoor LJ ice_temp_1 , the frequency of the compressor decrease ć s at ...

  • Page 33

    Domestic air conditioner is, if there’s malfunction with several units, then just report the indoor unit with the highest priority level. Among the unit malfunctions, the priority level of the communication malfunction is the highest, for others, that appears first will have the priority. Remarks: i...

  • Page 34

    Domestic air conditioner -2 35.6202 33.3552 31.2062 -1.38 1.31 -1 33.8936 31.7844 29.7796 -1.36 1.29 0 32.2608 30.2968 28.4267 -1.34 1.28 1 30.7162 28.8875 27.1431 -1.32 1.26 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 23.9...

  • Page 35

    Domestic air conditioner 43 5.2001 4.9430 4.6944 -1.41 1.36 44 5.0163 4.7630 4.5185 -1.45 1.40 45 4.8400 4.5905 4.3500 -1.49 1.44 46 4.6708 4.4252 4.1887 -1.53 1.47 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 ...

  • Page 36

    Domestic air conditioner 88 1.2226 1.1113 1.0092 -3.48 3.19 89 1.1880 1.0789 0.9789 -3.53 3.24 90 1.1546 1.0476 0.9497 -3.58 3.28 91 1.1223 1.0174 0.9215 -3.64 3.33 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 ...

  • Page 37

    Domestic air conditioner -23 109.4410 99.1858 89.8106 -1.81 1.66 -22 103.3598 93.8305 85.1031 -1.80 1.64 -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 ...

  • Page 38

    Domestic air conditioner 22 11.7102 11.3267 10.9459 -0.81 0.80 23 11.2172 10.8634 10.5114 -0.78 0.78 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....

  • Page 39

    Domestic air conditioner 67 2.3068 2.1383 1.9803 -2.45 2.29 68 2.2347 2.0695 1.9147 -2.49 2.34 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 ...

  • Page 40

    Domestic air conditioner 112 0.6361 0.5667 0.5043 -4.80 4.31 113 0.6200 0.5518 0.4907 -4.86 4.36 114 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 0.417...

  • Page 41

    Domestic air conditioner 1 2045.9191 1784.3336 1554.7931 -2.52 2.21 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....

  • Page 42

    Domestic air conditioner 46 208.7855 194.6066 181.2273 -1.65 1.55 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...

  • Page 43

    Domestic air conditioner 91 35.1903 33.7653 32.3689 -1.22 1.19 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 27.907...

  • Page 44

    41 as09/12gs2era 1u09/12bs1era-sm.

  • Page 45

    42 domestic air conditioner as09/12gs era 1u09/12bs1era-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 ...

  • Page 46

    43 domestic air conditioner as09/12gs era 1u09/12bs1era-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 rapid...

  • Page 47

    44 domestic air conditioner 4 as09/12gs era 1u09/12bs1era-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...

  • Page 48

    45 domestic air conditioner as09/12gs era 1u09/12bs1era-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...

  • Page 49

    46 domestic air conditioner 6 as09/12gs era 1u09/12bs1era-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 ● m...

  • Page 50

    47 domestic air conditioner 6 as09/12gs era 1u09/12bs1era-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...

  • Page 51

    48 domestic air conditioner 6 as09/12gs era 1u09/12bs1era-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 ...

  • Page 52

    49 domestic air conditioner 6 reduced. As09/12gs era 1u09/12bs1era-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 e...

  • Page 53

    50 domestic air conditioner as09/12gs era 1u09/12bs1era-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 s...

  • Page 54: Haier Group

    Domestic air conditioner as09/12gs era 1u09/12bs1era-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 el...

  • Page 55

    52 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis 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 malfunction...

  • Page 56

    53 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis 7.3.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 .62 indoor malfun...

  • Page 57

    4 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis 7.3.1thermistor or related abnormality (indoor unit) indoor display e1: room temperature sensor failure e2: heat-exchange sensor failure method of the temperatures detected by the thermistors are used to determine thermistor...

  • Page 58

    5 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis 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 t...

  • Page 59

    56 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis does fan rotate smoothly? No yes turn power on and operate fan does it rotate? No yes turn off power supply and disconnect fan motor connector,then turn power on check output of fan motor connector i s m o t o r p o w e r v...

  • Page 60

    As09/12gs2era 1u09/12bs1era-sm servive diagnosis domestic air conditioner 7.3.3 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 Ƶ the system leads to ip...

  • Page 61

    58 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis normal resistance several k to several m ( ) unacceptable resistance short (0 Ÿ) or open 7.3.4 the ipm and outdoor pcb don’t communicate or related abnormality outdoor display led1 flash 4 times indoor display f3 method of ...

  • Page 62

    59 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis 7.3.5 thermistor or related abnormality(outdoor unit) frost-removing temperature sensor failure indoor display: f21 outdoor display: led1 flash 10 times: exhaust temperature sensor failure indoor display: f25 outdoor displa...

  • Page 63

    60 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis 7.3.6 overheat protection for exhaust 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...

  • Page 64

    61 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis yes no 7.3.7 the eeprom abnormality (indoor or outdoor unit) indoor display e4: indoor eeprom error f12 outdoor eeprom error method of the data detected by the eeprom are used to determine mcu malfunction detection malfunct...

  • Page 65

    62 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis 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 malf...

  • Page 66

    3 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis a no yes yes check the status of led1 on the indoor mainboard. If the led1 blinks no if the voltage is of a constant value of 0v dcto5v dc yes measure the voltage between jumpers 3 and 4 of ic8 on the indoor mainboard with a...

  • Page 67

    4 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis 7.3.10 power supply over or under voltagve 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 ...

  • Page 68

    5 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis 7.3.11 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 detec...

  • Page 69

    66 domestic air conditioner as09/12gs2era 1u09/12bs1era-sm servive diagnosis yes conditions power supply. Voltage is too low or too high supposed Ƶ faulty ipm module causes Ƶ faulty compressor Ƶ faulty power supply troubleshooting * caution be sure to turn off power switch before connect or disconne...

  • Page 70: 8 Installation

    Domestic air conditioner 67 installation installation manual of room air conditioner 8 installation as09/12gs2era 1u09/12bs1era-sm 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 compati...

  • Page 71

    Domestic air conditioner installation as09/12gs2era 1u09/12bs1era-sm please be subject to the actual product purchased. The above indoor and outdoor units’ picture is just for your reference. F a c e d optional parts for piping non-adhesive tape adhesive tape saddle (l.S) with screws connecting elec...

  • Page 72

    69 domestic air conditioner installation as09/12gs2era 1u09/12bs1era-sm warning caution.

  • Page 73

    Domestic air conditioner installation as09/12gs2era 1u09/12bs1era-sm.

  • Page 74

    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 75

    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 76

    Installation as09/12gs2era 1u09/12bs1era-sm 73 domestic air conditioner.

  • Page 77

    Installation as09/12gs2era 1u09/12bs1era-sm 74 domestic air conditioner.

  • Page 78

    Installation as09/12gs2era 1u09/12bs1era-sm 75 domestic air conditioner.

  • Page 79

    No wind direction air outlet cushion rubber 4.Installation dimension(unit:mm) * as09/12gs2era 1u09/12bs1era-sm 76 domestic air conditioner installation.

  • Page 80

    1u07bs1era 1u09bs1era 1u12bs1era 1u18fs1era 1u24gs1era 1. Outdoor unit indoor unit a b outdoor unit indoor unit a b a b outdoor unit indoor unit oil trap to bend a pipe, give the roundness as large as possible not to crush the pipe , ƽ and the bending radius should be 30 to 40 mm or longer. Connecti...

  • Page 81

    As09/12gs2era 1u09/12bs1era-sm 78 domestic air conditioner installation.

  • Page 82

    (e.G.1u18fs1era) as09/12gs2era 1u09/12bs1era-sm 79 domestic air conditioner installation.

  • Page 83

    1u07bs1era 1u09bs1era 1u12bs1era 1u18fs1era 1u24gs1era t 25a/250v. 3 2 ^ 1 ) (n ) (l ) (c 3 2 1 ) (n ) (l ) (c to indoor unit 1u07bs1era 1u09bs1era 1u12bs1era 1u18fs1era 1u24gs1era model connecting wiring power cable 3g2.5mm 2 3g4.0mm 2 3g1.5mm 2 4g0.75mm 2 4g0.75mm 2 4g0.75mm 2 n( 1 3 ) ) c( l( 2 )...

  • Page 84

    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 ...