- DL manuals
- Haier
- Air Conditioner
- 1U18FS2ERA
- Service Manual
Haier 1U18FS2ERA Service Manual
Summary of 1U18FS2ERA
Page 1
Service manual wall mounted type outdoor unit indoor unit and remote controller 2012 order no.Ac1012s001v0 as18zs2era free match ek 1u18fs2era.
Page 2: Table Of Contents
Table of contents table of contents 1. Introduction ……………………………………………………………………..1 2. List of functions ……………………………………………………......………5 3. Specifications …………………………………………………………………...6 4. Printed circuit board connectorwiring diagram ………………………...8 5. Functions and control ……………….....…………..…………….…..…......
Page 3
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 4
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 5
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 6
Introduction domestic air conditioner 4 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 cab...
Page 7
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 8
19300 17700 400~1550~2250 405~1580~2350 5.8 3.8 - - 0.15 0.15 62 62 5.65 4 4472 6.7 6.9 2.0 10 15 25 0 2 4859 12.7 as18zs2era 5.2 96 97 6.35 16.0 14.2 12.7 11.2 15.0 13.5 13.0 11.5 13.5 1036x313x375 960x235x310 52/49/45 63 3. Specifications 6 40 96 96.
Page 9
0.5 r410a 37 1306.1 37 1306.1 45.5 43 820x310x682 919x106x715 - 40 63 5 1u18fs2era 1.2 900 6.9 6.6 15 7 fv50s 1670 1550 snb130fgym2 98 98.
Page 10
Connector wiring diagram domestic air conditioner 8 4.Printed circuit board connector wiring diagram 4.1˖indoor unit connectors connectors pcb(1) (control pcb) for as18zs2era 1) cn9 connector for fan motor 2) cn6 connector for heat exchanger thermistor and room temperature thermistor 3) cn5 connecto...
Page 11
Connector wiring diagram domestic air conditioner 9 pcb(1) c23 cn21 cn7 cn14 cn6 cn52 cn34 cn9 cn5 cn27.
Page 12
Connector wiring diagram domestic air conditioner 10 4.2: outdoor unit connectors pcb(1) (control pcb) for 1u18fs2era 1) cn1,cn2 connector for power n and l 2) cn3ǃcn8 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 13
Connector wiring diagram domestic air conditioner 11 cn36 cn17 cn28 cn23 cn18 cn16 cn9 cn8 cn10 cn3 cn11 cn15 cn24 cn25 cn19 cn20 cn21 cn1 cn2 cn47 cn49 cn45 cn11.
Page 14
Connector wiring diagram domestic air conditioner 12 pcb(2) cn8 cn5 cn6 cn7 cn9 cn4 cn3 cn10 cn11 cn1 cn2.
Page 15: 5.Funcitions And Control
Funcitions and control domestic air conditioner 13 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...
Page 16
Domestic air conditioner 14 5.1.3 demoisture mode. * temperature control range: 16---30ć * temperature difference: r1ć control feature: send the demoisture signal to the outdoor system. When tr>ts+2ć, the compressor will be turned on, the indoor fan will operate at the set speed. When tr is between ...
Page 17
Domestic air conditioner 15 if tr *indoor fan control manual control: you can choose high, medium, low and automatic speed control. Automatic: when tr when ts= when tr> ts+2ć, low speed. When the airflow speed has no delay from the high to low switching, the speed should be delayed for 3 minutes (re...
Page 18
Domestic air conditioner 16 when the system is at the automatic option with the strength/ mute function, if the system enters the cooling mode, the cooling strength/ mute function will be offered; if the system enters the heating mode, then the heating strength/ mute function will be offered; if the...
Page 19
Domestic air conditioner 17 1 hour later. The system will keep this status for 6 hours and then close. 2.2 under the heating mode, after the setting of the dormant operation, the et temperature will fall 2 centigrades after 1 hour’s operation and will fall 2 centigrades 1 hours later. 3 hours after ...
Page 20
Domestic air conditioner 18 will be stored in the malfunction resume and will not be revealed. 5.1.12 high load protection control the outdoor system will be stopped if the coil temperature is above 65ć for 2 minutes. The indoor fan will be controlled by the thermostat. The outdoor system can be res...
Page 21
Domestic air conditioner 19 to the original status, the malfunction code will not be revealed or processed. 4.Transmission abnormality: if the indoor system can’t receive the outdoor system for 8 minutes, the communication abnormality can be confirmed and reported and the outdoor system will be stop...
Page 22
Domestic air conditioner 20 the system will enter the remote setting status. 5.1.19 test program first, connect the test program terminal on the mainboard, then connect the system to the power circuit. The test program will operate as follows. Hv series display: the buzzer rings for one time—the sig...
Page 23
Domestic air conditioner 21 5.2 the control system of outdoor unit 5.2.1˖the operation frequency of outdoor unit and its control 5.2.1.1˖the operation frequency control of compressor the operation frequency scope of compressor˖ mode minimun operation frequency maximun operation frequency heating 20h...
Page 24
Domestic air conditioner 22 4 wh_c max_hz4 80 hz 5 wh_c 50 max_hz5 60 hz remarks: the above are not only the maximum frequency limitations of the complete appliance which are affected by the environment, but also the maximum ability limitation of the system. When the starting ability is not the maxi...
Page 25
Domestic air conditioner 23 5.2.2.2˖the outdoor fan control when heating the temperature of the outdoor air ˄ta˅ airflow speed ta 22ć low 19ć ta keeping the speed 16ć ta medium 14ć ta keeping the speed ta high 5.2.3˖the control of the outdoor electronic expansion valve when starting the compress...
Page 26
Domestic air conditioner 24 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 after 4 minutes during which the compressor is started (during the course of self-detection,...
Page 27
Domestic air conditioner 25 ƽduring the starting process of the compressor, if the current of the compressor is greater than 17.5a for 3 seconds, stop the compressor and alarm, after 3 minutes, start it again, if such state appears 3 times in 20 minutes, stop the compressor and alarm, and confirm th...
Page 28
Domestic air conditioner 26 when tpg_indoor begins to rise again, and ice_temp_2İtpg_indoorİ ice_temp_3ć, the frequency of thecompressor doesn’t change. When ice_temp_3LJtpg_indoorLJice_temp_3+3ć, the frequency of the compressor increases at the speed of 1hz/10seconds. For example, tpg_indoorİ0ćˈlast ...
Page 29
Domestic air conditioner 27 room sensor and pipe sensor r25ć=10k¡f3% b25ć/50ć=3700kf3% temp.((ć)) max.(k ȍ) normal(k ȍ) min.(k ȍ) tolerance(ć) -30 165.2170 147.9497 132.3678 -1.94 1.75 -29 155.5754 139.5600 125.0806 -1.93 1.74 -28 146.5609 131.7022 118.2434 -1.91 1.73 -27 138.1285 124.3392 111.8256 ...
Page 30
Domestic air conditioner 28 -6 43.5912 40.5800 37.7429 -1.47 1.39 -5 41.4249 38.6207 35.9739 -1.45 1.37 -4 39.3792 36.7676 34.2983 -1.43 1.35 -3 37.4465 35.0144 32.7108 -1.41 1.33 -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 30.71...
Page 31
Domestic air conditioner 29 39 6.0170 5.7454 5.4812 -1.25 1.22 40 5.7997 5.5316 5.2712 -1.29 1.25 41 5.5914 5.3269 5.0704 -1.33 1.29 42 5.3916 5.1308 4.8783 -1.37 1.33 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....
Page 32
Domestic air conditioner 30 84 1.3730 1.2525 1.1415 -3.27 3.01 85 1.3335 1.2153 1.1066 -3.32 3.06 86 1.2953 1.1794 1.0730 -3.38 3.10 87 1.2583 1.1448 1.0405 -3.43 3.15 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....
Page 33
Domestic air conditioner 31 -26 130.2371 117.4366 105.7989 -1.87 1.70 -25 122.8484 110.9627 100.1367 -1.85 1.69 -24 115.9272 104.8882 94.8149 -1.83 1.67 -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 ...
Page 34
Domestic air conditioner 32 19 13.3431 12.8572 12.3778 -0.88 0.87 20 12.7718 12.3223 11.8780 -0.86 0.85 21 12.2280 11.8126 11.4011 -0.83 0.83 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 9.89...
Page 35
Domestic air conditioner 33 64 2.5396 2.3611 2.1932 -2.31 2.17 65 2.4591 2.2840 2.1195 -2.36 2.21 66 2.3815 2.2098 2.0486 -2.40 2.25 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....
Page 36
Domestic air conditioner 34 109 0.6877 0.6140 0.5478 -4.63 4.16 110 0.6700 0.5977 0.5328 -4.69 4.21 111 0.6528 0.5820 0.5183 -4.74 4.26 112 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....
Page 37
Domestic air conditioner 35 -2 2434.5487 2112.5459 1831.4826 -2.56 2.24 -1 2296.6230 1996.2509 1733.6024 -2.55 2.23 0 2167.2730 1887.0018 1641.4966 -2.53 2.22 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 ...
Page 38
Domestic air conditioner 36 43 239.0983 221.9825 205.9065 -1.71 1.61 44 228.4809 212.4060 197.2844 -1.69 1.59 45 218.3860 203.2887 189.0648 -1.67 1.57 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 159.8...
Page 39
Domestic air conditioner 37 88 38.9643 37.5045 36.0668 -1.11 1.09 89 37.6569 36.2078 34.7831 -1.14 1.13 90 36.3996 34.9622 33.5513 -1.18 1.16 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....
Page 40
Domestic air conditioner 38 133 9.7563 8.9971 8.2895 -3.00 2.80 134 9.4901 8.7441 8.0495 -3.05 2.84 135 9.2322 8.4993 7.8175 -3.09 2.88 136 8.9824 8.2623 7.5931 -3.14 2.92 137 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....
Page 41
39.
Page 42
Outdoor unit loading of the battery 1 2 3 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, resetting key (cylinder); be sure that the loading is in line wit...
Page 43
Operation unit start / stop 1 3 2 2 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 button is pressed, temp.Setting decrease 1 o c,if kept depressed, it will decrease rapidly select a desired tem...
Page 44
Operation emergency operation: temperature is below 16 o c, do not use it in the test operation: use this switch in the test operation when the room normal operation. Your finger from the switch: the cooling continue to press the test operation switch for more than 5 seconds. After you hear the "pi"...
Page 45
Comfortable sleep 3.In auto mode corresponding sleep mode adapted to the automatically selected operation mode. 4. In fan mode it has no sleep function. Sleeping function is set up,if user resets timer function, the state of timing-on,if the two modes are set up at the same time, either of their ope...
Page 46
Indoor unit installaion 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 flaring tool ƽ spanner(17,19 and 26mm) ƽ knife ƽ measuring tape ƽ necessary tools for installation power source before inser...
Page 47
Indoor unit installation fix to side bar and lintel a mounting bar, which is separately sold, and then ƽ fasten the plate to the ¿xed mounting bar. Refer to the previous article, “ when the mounting plate is ƽ position of wall hole. Make a hole of 70 mm in diameter, slightly descending to outside th...
Page 48
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, con ¿rm the terminal number of indoor and outdoor units carefully. If wiring is not c...
Page 49
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 inlet or outlet proper temperature during cooling o...
Page 50
Trouble shooti ng 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. When the electric plug is pulled out and r...
Page 51
Domestic air conditioner 49 installation installation manual of room air conditioner 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 -electomagnetic compatibilit...
Page 52
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 electric cable for indoor and outdoor drain hose heating insulating mater...
Page 53
Warning caution installation domestic air conditioner 51.
Page 54
"5 &7 *// )** &*// "5* 5 +45 & / / /5* *55 8 :*+ / , 3 755 1& / &/* / +5-. &/>* / : '* 3 $% $% ! Installation domestic air conditioner 52.
Page 55
'"()* 14 34 /** * ';/ 4 @ /4/>5 // ,* 5*5;*55 &55/5* * 1*5* 545 * ' -!/// 5;*55//5 /57. &> 4* '/*4* '/* + '/; 5** +/ 0-*8*. &//*/ * //0 1 3* * 4* 8/ ** : ' 3-.* #" 1* a 15//// 35 57 15 3 ///5 > // 35/- // *. ";77* * 7 /* &0 5* 15* ! Installation domestic air conditioner 53.
Page 56
#+#," #$- ! 1/* // & /// " 1***5 *5/ **4 1* &*/ > =*8 &* 5 / -/ *c*d3;)e/. * 3;/*/* * /* 5* &/* 1* * * 5 &/5/ 8 3 158 03 5 1* 1/ 58 1* 38 /;; 5 1 1* !% domestic air conditioner 5 installation 4.
Page 57
Installation domestic air conditioner 55.
Page 58
=4: != /!'", !#= !' 40 +!'*/* *-*'". *;:*0 $'#- >!%.*5/; >&!'-3;:0 $'#. 3*(/ 3!' )!'/* '#,8 +0-. 3-. +0-. 3 3;: 3;>&& #! " +, 3*(/ #!$%- &!%#+" '(()", 1=2-. 4 +0 2 !' 6 # $# " # $'# >!% >% >% #>% >!% $ 66 $" !' $' ' 6 $! & 3;;305 1-. !'-3. -3. 6 # $# " # $'# >!% >% >% #>% >!% "' ' 6' $' 6' "' ' !' "...
Page 59
Installation domestic air conditioner 57.
Page 60
No wind direction air outlet cushion rubber 4.Installation dimension(unit:mm) installation domestic air conditioner 58.
Page 61
1u09bs2era 1u12bs2era 1u18fs2era 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. Connecting the pipe of gas sid...
Page 62
Installation domestic air conditioner 60
Page 63
(e.G.1u18fs1era) installation domestic air conditioner 61.
Page 64
1u09bs2era 1u12bs2era 1u18fs2era t 25a/250v. 3 2 { 1 ) (n ) (l ) (c 3 2 1 ) (n ) (l ) (c to indoor unit 1u09bs2era 1u12bs2era 1u18fs2era model connecting wiring power cable 3g2.5mm 2 3g1.5mm 2 4g0.75mm 2 4g0.75mm 2 n( 1 3 ) ) c( l( 2 ) { l n power outdoor unit to indoor unit outdoor unit power for 0...
Page 65: Outdoor Unit
15 outdoor unit 2 9 15 8 12 10 5 13 19 1 18 4 11 6 25 25 25 110 suction temperature sensor failure when the the wiring of compressor is wrong or the connection is poor 17 16 15 lack of refrigerant check if there is leakage in the unit. M installation domestic air conditioner 63.
Page 66
Service diagnosis domestic air conditioner 64 8.Service diagnosis 8.1 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 equipment operatio...
Page 67
Service diagnosis domestic air conditioner 65 8.4.Error codes and description indoor display code indication indoor displaying panel code indication outdoor (led1 flash times) fault description reference page indoor and outdoor e7 15 communication fault between indoor and outdoor units page .77 e1 -...
Page 68
Service diagnosis domestic air conditioner 66 8.4.1 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 sensor failu...
Page 69
Service diagnosis domestic air conditioner 67 8.4.2 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 data of eepro...
Page 70
Service diagnosis domestic air conditioner 68 8.4.3 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 rotation feedback ...
Page 71
Service diagnosis domestic air conditioner 69 yes no yes is rotation number command pulse generated? Is rotation number command voltage dc1̚6v generated? Yes yes no no yes replace indoor unit pcb replace fan motor replace indoor unit pcb replace indoor fan motor pcb no replace indoor unit pcb is mot...
Page 72
Service diagnosis domestic air conditioner 70 8.4.4 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 whether motor ca...
Page 73
Service diagnosis domestic air conditioner 71 8.4.5 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 Ŷ the system leads to ipm protection due to over current decision Ŷ the ...
Page 74
Service diagnosis domestic air conditioner 72 8.4.6 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 conditions powe...
Page 75
Service diagnosis domestic air conditioner 73 8.4.7 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 to communicat...
Page 76
Service diagnosis domestic air conditioner 74 8.4.8 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 detection malfunc...
Page 77
Service diagnosis domestic air conditioner 75 8.4.9 overheat protection for exhaust temperature 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 detection malfunction when the compre...
Page 78
Service diagnosis domestic air conditioner 76 8.4.10 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 outdoor pcb broken ...
Page 79
Service diagnosis domestic air conditioner 77 ˄a˅ no yes 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. No the outdoor mainboard is damaged; replace them with a...
Page 80
Service diagnosis domestic air conditioner 78 8.4.11 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 malfunction when the w...
Page 81
Service diagnosis domestic air conditioner 79 8.4.12 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. Detection malfunc...
Page 82
Removal procedure removal of indoorunit 80
Page 83
81.
Page 84
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 release the pivots on both sides of the unit to remove the front panel. Removal proce...
Page 85
Three two removal procedure 83 hooks.
Page 86
Flap flap flap flap removal procedure 84.
Page 87
Removal procedure 85.
Page 88
Removal procedure 86.
Page 89
Removal procedure 87.
Page 90
Removal procedure 88.
Page 91
Removal procedure 89.
Page 92
Removal procedure 90
Page 93
Removal procedure 91.
Page 94
92 domesti c air conditioner removal of procedure 9.2 the removal procedure of outdoor 9.2.1 removal of outdoor panel s t n i o p e r u d e c o r p p e t s 1. Features 1 loosen the service cover screw and remove the service cover. Be careful not to.
Page 95
93 domestic air conditioner removal of procedure s t n i o p e r u d e c o r p p e t s 2. Remove the panels. 1 loosen the 4 screws and lift the top panel 2 loosen the screws of the panel. 3 pull and remove the front panel..
Page 96
94 domestic air conditioner removal of procedure 9.2.2 romoval of electrcal box s t n i o p e r u d e c o r p p e t s screws, then lift the electrical box.
Page 97
95 domestic air conditioner removal of procedure 9.2.3 romoval of the side panel s t n i o p e r u d e c o r p p e t s 1 screws and remove the side panel..
Page 98
96 domestic air conditioner removal of procedure s t n i o p e r u d e c o r p p e t s 2 remove the 3 screws and remove the side panel..
Page 99
97 domestic air conditioner removal of procedure s t n i o p e r u d e c o r p p e t s 1 loosen the remove the fan put the lead wire of motor when the propeller fan) 9.2.4 removal of fan and fan motor.
Page 100
98 domestic air conditioner removal of procedure s t n i o p e r u d e c o r p p e t s 2 screws and lift the fan motor..
Page 101
99 domesti c air conditioner removal of procedure s t n i o p e r u d e c o r p p e t s 3 screws, then lift the.
Page 102
100 domestic air conditioner removal of procedure s t n i o p e r u d e c o r p p e t s 4 screws, then lift the proof plate..
Page 103
101 domestic air conditioner removal of procedure s t n i o p e r u d e c o r p p e t s 1 cut down the and pull out the compressor and remove the.
Page 104
102 domestic air conditioner removal of procedure s t n i o p e r u d e c o r p p e t s 2.
Page 105
103 domestic air conditioner removal of procedure s t n i o p e r u d e c o r p p e t s 3.
Page 106
104 domestic air conditioner removal of procedure s t n i o p e r u d e c o r p p e t s 4 remove the.
Page 107
Wiring diagram domestic air conditioner 105 10.Wiring diagrams 10..1. Indoor unit ,1'225:,5,1*',$*5$0 up-down stepmoter . * &1 &1 : 5 dc fan motor 0 &1 )86( &1 left stepmoter &1 sw 1 &1 piping temp sensor &1 / 1 : 5 % %5 &1 br bl y/g &1 7$9$& &1 # # ambient temp sensor ,21*(1(5$7,25 emergency sw itc...
Page 108
Wiring diagram domestic air conditioner 106 10.2.Outdoor unit $&1287 &1 &1 $&/287 &1 :$ 0 &1 &1ⱑ 9$/9($ &1 $&)$1 0 $&)$1 &1 3( 3 2 : (5 : &1 &20% &20$ 1 5 &1 &1 $&1 $&/ )86( 7$9$& &1 &1 02'8/(&20 02'8/(32:(5 7 2 , 1 ' 2 2 5 8 1 , 7 &1 &1 % %/ %/ 25 &1 &1 &1 &1 &1 &1 &1 &1 &1 58 69 &: &1 1 3 &1 &$3 &...
Page 109
Circuit diagrams domestic air conditioner 107 11.Circuit diagrams 11.1.Indoor unit +5v +5v scl sda eeprom +5v reset +5v ir srck rck ser com3 com2 gnd +5v +12v a b c d +12v buzzer +5v switch +5v ser srck gg rck 5v gnd ir zj/ss digh digl display-0011800161 display-0011800184/0033 12v mode digh digl se...
Page 110
Circuit diagrams domestic air conditioner 108 11.2.Outdoorunit 11.2.1control bard circuit diagrams 㝼 㚔 䯔 d 1 1 㝼 㚔 䯔 c 1 2 m o d e 3 㝼 㚔 䯔 b 1 4 㝼 㚔 䯔 a 1 5 r e s e t 6 x o u t 7 v s s /a v s s 8 x in 9 v c c /a v c c 1 0 s d a 1 1 s c l 1 2 Ⳉ ⌕ 亢 ᴎ 䇗 䗳 1 3 㝼 㚔 䯔 d 2 1 4 㝼 㚔 䯔 c 2 1 5 ᬙ 䱰 ♃ 1 6 㝼㚔䯔b...
Page 111
Circuit diagrams domestic air conditioner 109 11.2.2 module board circuit diagram 1 2 3 4 a b c d 4 3 2 1 d c b a c 009 10 3 ic8 sgh40n60 uf d 1 2 3 4 b g1 d25xb 60 c 404 47 4/630 v c 405 47 4/275 v r s1 0.01 /5 w r 215 10 k r s2 0.01 /5 w r 00 3 4. 7k r 00 1 10 k r 00 2 4. 7k r 00 4 4. 7k r 006 10 ...
Page 112
Domestic air conditioner appendix description of coding rules of unit model 12 110 examples: as18zs2era ,it represents wall-mounted split type heat pump air conditioner cooling capacity is 18000btu/h,and the power supply is 220-240v/50hz,”s” means easy stock ,and"e" means the refrigerant is r410a. P...
Page 113: Sincere Forever
Wu hongjin kang lijun guo liang he shiquan 86 532 88936935 the end sincere forever haier group.