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SERVICE MANUAL

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1. 1 2 3 5 s 7 D av m ev 209 4 1 2V400m s 1 p2 vor D a DS INA D negativo E 4 e 35 4002 S La hm 2200 F2SV E DE B2B H Rei input220V 2902412 si put 22 qus i _ mid x 33050 MD i Iu 7 1 e CER H 2 i m2 T 291 4 7K m RIB 1 5 white 9 FSV C T315 250V iL ental control prs man central control Taput ventral control output 12 prre 4 3 From temperature IK gt temperature sens
2. Outdoor unit FUMER ESSO B a COMPRESSOR B CAPACITOR Haier Y G YELLOW GREEN TEMP SENSOR 90 FUSE CNS R T315A eS0VAC CN9 CN10 Y is RELAYCRL2 RELAY lt RL1 Y G BR BL zr CN4 CN7 220V N 1 2 3 1 2 3 KD 6 2 CN3 d p 0 I O L A B x I TEST TERMINAL BLOCK BR B BLACK BL BLUE POWER SUPPLY R R RED W WHITE AMBIENT SE B TEMP SENSOR BR BROWN DEFROST TRANSFORMER VALVE B VALVE A BR CAPACITOR FAN MOTOR Appendix Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 Appendix 10 3 Circuit Diagrams
3. gt 4G0 75mn e Z4G0 75mm Oz _ 8 e N 31 amp D 9 Power cable gt 3G2 5mm Haier 61 Domestic Air Conditioner Haier 25 9 9 2 Installation Outdoor unit 1 Installation of Outdoor Unit Install according to Drawing for the installation of indoor and outdoor units 2 Connection of pipes 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 e Connecting the pipe of gas side first makes working easier The connection pipe is specialized for R410A Half union Flare nut Forced fastening without careful centering may damage the threads and cause a leakage of gas J Pipe Diameter Fastening torque Liquid side 6 35mm 1 4 18N m Gas side 9 52mm 3 8 42N m Spanner Torque wrench Be careful that matters such as wastes of sands etc shall not enter the pipe The standard pipe length is 5m If it is over 5m the function of the unit will be affected If the pipe has to be lengthened the refrigerant should be charged according to 20 g m But the charge of refr
4. 50V 22UF p 7 B dod 19 10 GND tH oxpsp 3 18 ca P10 POI xd es 22 mE 02 16 13 100 45V P06 15_ pos 14 CN6 sv 22 10 16 100 sv TES ES d x cp mid 1 flees 100k 104 4 T NU z 560 z ip 18 19 21 20 C3 2003 E osbv 22UF 16 1 LEp3 15 7 ii 3 c7 CEN aj co 11 6 EN w 10 7 LOK 36 9 3 100 12V gt e JP Tp JP JP 12 E n 2 5 gost 3 AES 8 e Z a E B conprepsor 2 lt tia Acompressor so us ES 4A 2 220V 220V N 220V L 9 4 TIENE WF GF Haier 92 Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Appendix 10 4 Description of coding rules of the unit model 8 E RE Refrigerant type R2 R410A Applicable voltage 3 220 230V Applicable frequency 0 50HZ apparance of indoor unit is EK series H heat pump Nominal cooling capacity 9000 and 9000 BTU h The structure code of indoor amp outdoor unit S wall mounted 2 by 1 H Abbreviation of Haier 93 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 The End Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road Edited by Li Junjie 266101 Qingdao China Li Qiyun Email hractech haier com Signed by Yang Bifei Tel 86 532 87636960 http www haier com Approved by Wu
5. ee 88 21000 N 2 5 8 geni 9 SATIS eros 19 1029 Sune en 1 62 Co D C 23 03 1 Operation mode display Operation mode AUTO COOL DRY HEAT FAN Remote controller V xt Display board 8 2 SWING display 3 FAN SPEED display c 5 SLEEP display 6 LOCK display Clock set 8 606 000 7 SIGNAL SENDING display 8 TIMER OFF display 9 TIMER ON display 10 11 13 14 15 16 17 18 19 20 21 22 23 24 25 26 CLOCK display TEMP display FAN Used to select fan speed LO MED HI AUTO SWING Used to set auto fan direction TIMER Used to select TIMER ON TIMER OFF TIMER ON OFF CLOCK Used to set correct time SET Used to confirm timer and clock settings LOCK Used to lock buttons and LCD display POWER ON OFF Used for unit start and stop TEMP Used to select your desired temp MODE Used to select AUTO run COOL DRY and FAN operation HOUR Used to set clock and timer setting SLEEP Used to select sleep mode RESET Used to reset the controller back to normal condition Singal receiver hole Ambient temp display When receiving the remote control signal display the set temperature and in the rest time the room temperature is displayed and this room temperature is only for reference When uni
6. 1E LO MED HI Unit runs at the speed displayed on LCD e o o LOCK RESET e Unit stop Press ON OFF button the unit stops Hints In FAN operation mode the unit will not operate in COOL or HEAT mode but only in FAN mode AUTO is not available in FAN mode And temp setting is disabled In FAN mode SLEEP operation is not available 41 Haier Domestic Air Conditioner Haier 25 9 9 2 System Configration Operation Air Flow Direction Adjustment e Status display of air sending Horizontal flap Remote controller Pos 1 Cool Dry standard position Blank 2 Upward swing Pos 3 Downward swing b oorr Pos4 Auto swing IS Up and down air flow direction Use remote controller dOD For each press of SWING button air flow direction on remote e controller display as follows according to different operation modes 1 gt Pos2 gt Pos3 gt Pos44 The horizontal flap will swing according to the above positions e Left and right air flow adjustment manual Move the vertical blade by a knob on air 7 conditioner to adjust left and right direction OS referring to Fig Ex lt Cautions Do not try to adjust the flap by hand e When adjusting the flap by hand turn off the unit and use the remote controller to restart the unit When humidit
7. Haier Domestic Air Conditioner Haier 25 9 9 2 Introduction 1 5 Using Icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below 1 6 Using Icons List Icon Type of Information Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks caution Haier A caution is used when there is danger that the reader through Caution incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Jr oe Warning A warning is used when there is danger of personal injury A reference guides the reader to other places in this binder or Reference in this manual where he she will find additional information on a specific topic Domestic Air Conditioner Haier 25 9 9 2 List of Functions 2 List of Functions Healthy negative ion Child lock Dry function 24Hour timer Auto restart Easy clean design Intelligent air Anti mold filter Sleep mode 4 Fan setting Auto mode Power mode Soft mode Negative ion filter Constant temperature dehumidification IE Make dehumiditying in the room when the unit is working in the DRY mode 5 E The setting temprature and the indoor noise can be adjusted to a more comfortable
8. T T BXN2 CN H2SM 9 9 HEKOS R2 Appendix 104 PI o 45V 5 11 eee eal E d A 8 LEDI 12 San Ye 10K 8 e 2 10k 13 IK z _ _ vss 5 o 14 IK TJC8 2A 27_ p36 N 2 100 exe 26 p35 oT 25 p34 TEST SW DIP 2 5 1 Lr P33 VDD Te ADI 220K 1 23 p p21 6 5 FT 66 _ 1 T 267 H 102 7100k CI 35 2 rs Ma seo TLPSTI m 4 114007 21 10K 24001 qoi P30 ESET is 2 vec H8 4 20 p20
9. 2 Hacksaw 6 Pipe cutter 10 Gas leakage detector or 3 Hole core drill 7 Flaring tool soap and water solution 4 Spanner 17 19 and 26mm 8 Knife 11 Measuring tape Drawing for the installation of indoor and outdoor units Accessory parts Number Accessory parts of articles Remote controller 1 Indoor unit B lt R 03 dry battery on Optional parts for piping Loa Mark Parts name Attention must be paid to i the rising up of drain hose Mounting plate 5 Non adhesive tape gun Adhesive tape Drain hose Saddle L S with screws Connecting electric cable we 17 0 for indoor and outdoor 4X25 Screw Plastic cap Drain hose B Heating insulating material Drain elbow 9 Piping hole cover lt gt Cushion Arrangement of piping directions Rear left E plate The marks from Sto Gin the figure are the parts numbers X The distance between the indoor unit and the floor should be more than 2m No 0010517997 Haier 97 Domestic Air Conditioner Floor fixing dimensions of the outdoor unit Unit mm Fixing of outdoor unit Fix the unit to concrete or block with bolts 10mm and nuts firmly and horizontally When fitting the unit to wall surface roof or rooftop fix a supporter surely with nails or wires in consideration of earthquake and strong wind If vibration may
10. level when you set the sleep mode during night sleep Slect the fan speed LO MED HI AUTO dehumidifying in the room while keeping the constant temperature inside Note Y Holding Functions N No Functions Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Specifications 3 Specifications 25 9 9 2 Cooling single doubl Heating single double 2 65 5 3 2 9 5 8 Capacity Rated Min Max 9050 18100 9897 19800 kcal h 2280 4560 2494 4990 Mositure Removal 1 2 2 4 eed Running Current Read EM 3 9 7 8 3 8 7 6 P C ti 22 880 1760 850 1700 Read Min Max COP Rated Min Max 3 01 3 01 3 41 3 41 Piping Liquid mm 06 35 9 52 Commons Drain mm 10160 Interunit Piping Length 15 Eme IB Difference Chargeless Amount of Additional Charge of Refrigerant Front Front Panel Color Color White H 7 5 M 6 5 t 5 5 Cross Flow Fan Fan Moto Outpt We 3 Steps and Auto Air Air Direction Control Right Left Horizontal Downward Right Left Horizontal Downward _______ Horizontal Downward Gono Filter Removable Washable Mildew Proof Running Current Rated 0 13 w 2m 3 semi Air Flow Rate m m
11. operation During the operation the outdoor fan runs 1 second before compressor A operates 20 seconds later outdoor compressor B starts cooling operation Once a compressor starts the other compressor will not start in 20 seconds from the start When changed from heating to cooling the compressor stands by for 3 minutes When both compressors are in the strand by status the outdoor fan stops Otherwise it operates The status of the fan depends on the number of the compressors that operate When the outdoor ambient temperature T1230 C the outdoor fan runs at the high speed There is a return difference for the change between high and medium speed When the outdoor ambient temperature T1x23 C the outdoor fan runs at the low speed There is return difference for the change between low and medium speed When the outdoor ambient temperature T1 lt 5 C the outdoor fan is in a cycle of 1 minute stop 3 minute run There is a return difference of 2 C for the change between low speed and run and stop Once the fan operates in a mode it must operate for more than 45 seconds There is a temperature cut off protection when a indoor coil temperature higher than T CPS 68 C and maintains for 10 seconds the corresponding compressor stops The compressor will not restart in 3 minutes until the coil temperature lower than CPR 50 C The indoor fan is controlled the same as the thermostat is OFF In the case of double unit cooling one c
12. After time setting press SET button to confirm OFF stops flashing Time displayed Unit stops at X hour X min To cancel TIMER mode B Just press TIMER button several times until TIMER mode disappears Haier 45 o o LOCK RESET Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 System Configration Maintenance Replacement of Air Purifying Filter Open the Inlet Grille Prop up the inlet grille by using a small device named i gt grille support which located in the right side of the ind oor unit e Detach the standard air filter Slide the knob slightly upward to release the filter then withdraw it e Attach Air Purifying Filter Put air purifying filter appliances into the Y right and left filter frames Detach old Air Purifying Filter I I TIED e Attach the standard air filter Necessary installation ATTENTION The white side of the photocatalyst air purifying filter face outside and the black side face the unit The green side of the bacteria killing medium air purifying filter face outside and the white side face the unit Close the Inlet Grille Close the Grille surely NOTE e The photocatalyst air purifying filter and the bacteria killing medium air purifying filter will be used based on
13. Hongjin 94 Haier Domestic Air Conditioner
14. Procedure Step Procedure Points Loosen the fixing screws lift the Valve Base Haier 87 Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 Removal Procedure Step Procedure Points Loosen the fixing screws lift the heater excha Haier 88 Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Appendix 10 Appendix 10 1 Piping Diagrams Cooling mode Propeller Fan Air outlet N Capillary Tube Heating mode Air outlet Air outlet Propeller Fan Heating Mode JeBueuoxa Joopu Indoor Fan Motor Liquid Stop Valve Capillary Tube Haier 89 Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 10 2 Wiring Diagrams Indoor unit I TE ENSDR AMBIENT T ENSO TRANSFORME ECEIVING BOARI 5 BL BL H ONL ON OTE THE MODEL WITHOUT THE Tm FUNCTION OF HEALTH LOUVE HAS NOT THE PART oF OTO B HITE r1 1 N 2 L 8 C n BLACI E YELLB EE Li RED 10 ENERATOR IMS pe IT
15. You can detach the indoor unit without removing the assembly of the outlet grille 1 Loosen the screws fixed to the installation plate A Caution If gas leaks repair the spot of leaking then collect all refrigerant from the unit After conducting vacuum drying recharge proper amount of refrigerant N Caution Do not contaminate any gas including air other than the specified refrigerant R410A into refrigerant cycle Contaminating of air or other gas causes abnormal high pressure in refrigerating cycle and this results in pipe breakage or personal injuries 2 Loosen the marked hooks 3 Loosen the marked screws and remove mounting plate Pay attention so that the residual water in the drain will not make the floor wet Incase that a drain hose is buried inside a wall remove it after the drain hose in the wall is pulled out W Use two wrenches to disconnect pipes When disconnecting pipes cover every nozzle with caps so as not to let dust and moisture in my n 188 71 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Removal Procedure Step Procedure Points 1 Release the hooks 2 Release the hook
16. and push down the cover Load the battery Be sure that the loading is in line with the SN ole request as illustrated N s p d Put on the cover again Ny S Confirmation indicator gt In disorderation reload the batteries or load the new batteries after 6mins Note Use two new same typed batteries when loading If the remote controller can t run normally or doesn t work at all use a sharp pointed item to press the reset key Hint lt m Remove the batteries in case unit won t be in usage for a long period If there are any display after taking out just need to press reset key Power failure resume please set and apply as necessary If sudden power failure occurs the unit will resume original operation when power is supplied again 36 Haier Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 Operation 2 f System Configration e Unit start Press ON OFF on the remote controller unit starts Select operation mode Press MODE button For each press operation mode changes as follows Remote controller _ AUTO COOL DRY HEAT FAN Then Select Auto operation Fan speed selection Press FAN button For each press fan speed changes as follows Remote controller 8 gt gt AUTO LO MED HI Air conditioner is running under displayed fan speed When FAN is set to AUTO the air co
17. earth line securely Are cooling and heating when Are the connecting wirings of connected in heat pump performed normally indoor and outdoor firmly inserted 015 the indoor unit securely fixed Is the operation of room temperature to the terminal block 015 power source voltage abided regulator normal Is the connecting wiring of indoor by the code and outdoor firmly fixed O Is there any noise Haier 8 Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Removal Procedure 9 Removal Procedure 9 1 The removal procedure of Indoor Unit Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work 9 1 1 Removal of Air Filters and Front panel S 1 Features Remove the air filters Hold the front panel by the tabs on the both sides and list it until it stops with a click 3 Remove the front panel Open the front 3 m Start the removal panel to the m _ procedure of front horizontal position A grile when the Release the SE g panel are closed both sides pivots 6 B Slide the front and remove the panel side to side to front panel lt E Ve release each axis i B When assembling align the right and left axes with grooves in turn and insert them to the end Haier 65 Domestic Air Conditi
18. from the back side Lift up the lower part of the fixture plate and remove it 6 Remove the heat exchanger NN NR N NN NN ANN NN NANNY SN Haier 72 Domestic Air Conditioner Haier 9 1 8 Removal of Fan Rotor and Fan Motor 25 9 9 2 Removal Procedure Step Procedure Points 1 Remove the right side plate 1 Loosen the 2 screws 2 Remove the fixing plate Haier 73 Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 Removal Procedure Step Procedure Points 3 Remove the fan 1 Loosen the marked screw Lift up the right part of the fan motor and slide it to the rightward to remove Lift up the right part of the fan and remove it Haier 74 Domestic Air Conditioner Removal Procedure H2SM 9 9 HEK03 R2 Haier 9 2 The removal procedure of Outdoor Uni 9 2 1 Removal of Outdoor panel Points handle Be careful not to cut your finger by the fins of the heat exchanger W The stop valve cover is united with the shelter Procedure DS 8 SN Loosen th
19. thermistor errors Detection Malfunction Decision When the thermistor input is more than 4 92V or less than 0 08V during compressor Conditions operation Note The values vary slightly in some models Faulty connector connection Supposed Causes Faulty thermistor B Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check the connector connection gt Correct the connection Thermistor resistance trema gt gt Replace the thermistor YES Replace the outdoor unit PCB Thermistor resistance check method Remove the connectors of the thermistors on the PCB and measure the resistance of thermistors using tester The relationship between normal temperature and resistance is shown in the value of outdoor E a ester Resistance range Haier 51 Domestic Air Conditioner Haier 25 9 9 2 Service Diagnosis 7 4 4 Communication fault between indoor and outdoor system Indoor Display E7 Method of Malfunction Detection Malfunction Decision Conditions a m a Supposed Causes Troubleshooting The outdoor PCB broken leads to communication fault The indoor PCB broken leads to communication fault The outdoor PCB is broken The indoor PCB is broken Communication wiring disconnected Communication is
20. wet place to avoid electrical shocks Be sure to turn off the power switch and unplug the power cable when cleaning the equipment Theinternal fan rotates at a high speed and cause injury Do not tilt the unit when removing it The water inside the unit can spill and wet the furniture and floor Be sure to check that the refrigerating cycle section has cooled down sufficiently before conducting repair work Working on the unit when the refrigerating cycle section is hot can cause burns Use the welder in a well ventilated place Using the welder in an enclosed room can cause oxygen deficiency 1 3 Cautions Regarding Products after Repair Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient strength and if the installation work is not conducted securely the equipment can fall and cause injury Be sure to install the product correctly by using the provided standard installation frame Incorrect use of the installation frame and improper installation can cause the equipment to fall resulting in injury Be sure to install
21. which MN 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 before installing the indoor unit Insert the cable from the back side of the unit then pull it out on the front side Loosen the screws and insert the cable ends fully into terminal block then tighten the screws Pull the cable slightly to make sure the cables have been properly inserted and tightened After the cable connection never fail to fasten the connected cable with the wiring cover Note When connecting the cable confirm the terminal number of indoor and outdoor units carefully If wiring is not correct proper operation can not be carried out and will cause defect 1 If the supply cord is damaged it must be replaced by the manufacturer or its service agent or a similar qualified person The type of connecting wire is HOSRN F or HO7RN F 2 If the fuse on PC board is broken please change it with the type of T 3 15A 250 V 3 The wi ring method should be in line with the local wiring standard 4 After installation the power plug should be easily reached 5 A breaker should be incorporated into fixed wiring The breaker should be all pole switch and the distance between its two contacts should be not less than 3mm Rer Del
22. 2 C lower than temp setting After another 1 hours temp decrease by 2 C further After more another 3 hours temp rises by 1 C further The unit will run for Haier 43 H2SM 9 9 HEKOS R2 System Configration 29 0 In HEAT mode further 3 hours then stops Temp is lower than temp setting so that room temperature won t be too high for your sleep Temp setting Unit stop SLEEP operation stops SLEEP operation starts In AUTO mode The unit operates in corresponding sleep mode adapted to the automatically selected operation mode In FAN mode It has no SLEEP function When TIMER function is set the sleeping function can t be set up After the sleeping function is set up if user resets TIMER function the sleeping function will be cancelled the machine will be in the state of timing on Note to the power failure resume press the sleep button ten times in five seconds and enter this function after hearing four sounds And press the sleep button ten times within five seconds and leave this function after hearing two sounds Power Failure Resume Function If the unit is started for the first time the compressor will not start running unless 3 minutes have elapsed When the power resumes after power failure the unit will run automatically and 3 minutes later the compressor starts running Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 Operation Syst
23. 2792 58995 55 12 7 Ss 8 E ae s 2 59 4984 55 9729 52 5917 56 3905 53 1320 50 0006 41 1592 39 0998 20 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Funcitions and Control 146 371553 354363 337555 098 096 19 319432 305997 292769 500 089 28 20 7951 20 0081 19 2272 0 86 0 85 ____32 17430 1667922 159410 100 09 45 10 0967 9 4999 8 9275 1 52 1 45 59 5 8563 5 4181 5 0065 2 12 1 99 ____60 547 521386 480 216 _ 203 _ 66 4547 41567 38105 24 227 21 Haier Domestic Air Conditioner Haier 2 9 9 2 Funcitions and Control Temp C Max KQ Normal KQ Min KQ Tolerance C ____68 42104 38605 35312 25 235 69 1 4082 37210 34004 258 239 243 71 2 48 72 2 52 2 56 74 2 60 75 2 64 2 68 77 2 73 78 2 77 80 2 7845 2 5176 2 2735 3 12 2 86 81 269 2 434 21943 57 290 82 2 94 83 2 99 84 3 03 3 07 3 12 87 3 16 88 3 20 3 25 3 29 91 3 34 92 3 38 93 3 43 94 3 47 95 3 52 97 1 6138 1 4347 1 2739 4 02 3 61 3 66 3 70 100 3 75 101 3 80 102 3 84 103 3 89 104 3 94 105 3 98 106 4 03 107 4 08 108 4 13 109 4 17 111 1 0644 0 9342 0 8189 4 82 4 27 112 4 32 113 4 37 114 4 41 115 4 46 116 4 51 117 4 56 118 4 61 M N a 22 Haier Domestic Air Conditioner Haier
24. Control 69 21652 200322 18516 254 25 76 1 7434 1 6021 1 4710 2 88 2 67 80 154544 1449 12942 5077 29 86 129053 1474 10730 338 310 89 11880 10789 09789 55 94 90 11546 104 76 09497 558 928 96 0976 0806 0747 390 355 98 092322 08319 07489 401 95964 9 0 8983 08088 0775 407 95469 107 0 7247 0 6482 0 5792 4 51 4 07 25 Haier Domestic Air Conditioner Haier 2 9 9 2 Funcitions and Control 5 4 2 Outdoor Unit Ambient Sensor A and B Pipe Sensor R25 C 5KO 1 B25 C 50 C 3450K 1 Temp C Max KQ Normal KQ Min KQ 58 77 60 94 63 18 55 73 57 75 59 84 52 87 54 75 56 70 50 17 51 93 53 74 47 62 49 27 50 96 45 22 46 76 48 34 E 1j 42 96 44 39 45 87 40 82 42 16 43 54 ae 38 80 40 05 41 34 36 90 38 06 39 26 35 09 36 19 37 31 33 39 34 41 35 46 31 78 32 74 33 71 30 26 31 15 32 07 28 82 29 65 30 51 27 46 28 24 29 03 26 17 26 89 27 64 24 94 25 62 26 32 23 79 24 42 25 07 22 69 23 28 23 89 21 65 22 20 22 77 9 20 66 21 18 21 72 O 8 k 19 72 20 21 20 71 18 84 19 29 19 76 17 99 18 42 18 86 5 17 19 17 59 18 00 4 16 43 16 81 17 19 15 71 16 06 16 42 15 02 15 35 15 69 14 37 14 68 14 99 _____0 0 ____ 13 75 14 04 14 33 es ee 13 16 13 43 13 70 oo a 12 60 12 85 13 11 Oo __ 12 07 12 30 12 54 11 56 11 78 12 00 __ aa 11 07 11 28 11 49
25. H2SM 9 9 HEK03 R2 Funcitions and Control Temp C Max KQ Normal KQ Min KQ Tolerance C 0 8263 0 7196 0 6258 4 71 Pipe Sensor R25 C 10KN 3 B25 C 50 C 3700K 3 Max KQ Min KQ 165 2170 28 146 5609 131 7022 118 2434 1 91 1 73 138 1285 130 2371 4 122 8484 115 0272 109 4410 103 3598 92 3028 87 2775 82 5577 78 230 715010 653815 170 7157 73 9543 70 0342 66 3463 62 8755 59 6076 56 5296 53 6204 97 6556 88 7989 80 6728 ____ 508956 8 483178 7 458860 6 435912 41 4249 39 3792 37 4465 35 6202 0 e 7 1 33 8936 31 7844 29 7796 32 2608 30 2968 28 4267 1 30 7162 28 8875 27 1431 EE qaum 3 27 8708 26 2858 24 7686 1 27 1 22 26 5605 25 3193 6 241432 23 0284 8 21 9714 9 209688 20 0176 19 1149 18 2580 17 4442 16 6711 15 9601 152657 11 _ 099 15 9360 152770 146315 098 09 23 Haier Domestic Air Conditioner 1 1 1 1 1 Haier H2SM 9 9 HEK03 R2 Funcitions and Control 16 15295 146268 140271 096 094 18 139436 134185 12907 091 090 26 9 8975 9 5974 9 2980 0 76 0 76 30 848 81621 78691 091 090 57 3 1969 2 9935 2 8005 2 00 1 89 60 289 202 2519 2743 201 66 23815 2208 2046 244 225 68 22347 2065 197 209 24 24 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Funcitions and
26. Haier SERVICE MANUAL Order No AC0909S007V0 ON OFF EK Series Model No H2SM 9 9 HEK03 R2 Haier This service information is designed for experienced repair technicians only and not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death 2009 Qingdao Haier Air Conditioner General corp Ltd All right reserved Unauthorized copying and distribution is a violation of law Haier Group Haier 25 9 9 2 Table of Contents Table of Contents 1 Introduction 1 1 1 Safety Cautions e e 1 1 2 Caution in Repair ee ee ee 1 1 3 Cautions Regarding Products after Repair sse IDE 2 14 Inspection after Repair PO eee eee E eer Reo er 4 1 5 Using CONS e n Henn 5 1 6 Using Icons List 5 2 List of Functions eee Eee 6 3 Specifications 7 4 Printed Circuit Board Connector Wiring Diagram n6 9 4 1 Indoor unit Connectors ej 9 4 2 Outdoor unit Connectors 10 5 Funcitions and Control ee 11 5 1 Main functions and control spe
27. Maximum D B W B 43 C 26 C Outdoor Minimum D B 18 C Maximum D B 27 C Indoor Minimum D B 15 C Heatin Outdoor Maximum D B W B 27 18 Minimum D B 7 rac If the power supply cord is damaged it must be replaced by the manufacturer or its service agent or a similar qualified person a If the fuse of indoor unit on PC board is broken please change it with the type of T 3 15A 250V The wiring method should be in line with the local wiring standard a After installation the power plug should be easily reached waste battery should be disposed properly 31 Haier System Configration a The appliance is not intended for use by young children or infirm persons without supervision Young children should be supervised to ensure that they do not play with the applience Please employ the proper power plug which fit into the power supply cord The power plug and connecting cable must have acquired the local attestation a In order to protect the units please turn off the A C first and at least 30 seconds later cutting off the power ATTENTION Through poor conditions of the electrical MAINS shortly voltage drops can appear when starting the EQUIPMENT This can influence other equipment eg Blinking of a lamp If the MAINS IMPEDANCE Zmax XOHM such disturbances are not expected In case of need you may contact your local supply autho
28. NENEEE O 10 61 10 80 11 00 10 17 10 35 10 53 LF 9 754 9 921 10 09 _____9 ____ 9 354 9 511 9 669 8 974 9 120 9 268 8 611 8 747 8 885 8 264 8 392 8 521 7 934 8 053 8 173 7 618 7 129 7 841 7 317 7 421 7 525 26 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Funcitions and Control Temp C Max KQ Min KQ 6 935 6 660 6 398 6 147 5 907 5 678 5 MHE 512 5 142 5198 51906 5250 4 762 4 812 4 862 4 683 4 511 4 346 4 188 4 037 3 891 3 752 3 619 3 491 3 368 3 250 3 137 3 029 2 924 2 824 2 550 2 593 2 636 2 547 2 462 2 380 2 301 2 225 2 152 2 082 1 2 014 57 1 589 1 623 1 658 60 114 21405 71 158 82 134 1747 71 1 1231 134 133 66 1 114 1238 1289 68 1123 1 179 2 27 Haier Domestic Air Conditioner Haier H2SM 9 HEK03 R2 Funcitions and Control ______ 69 1109 1 1 1144 79 0 8082 0 8310 0 8543 075 0 8075 0 8304 28 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 System Configration 6 System Configuration 6 1 System Configuration After the installation and test operation of the room air conditioner have been completed it should be operated and handled as described below Every user would like to know the correct method of operation of the room air conditioner to check if it is capable of cooling o
29. affect the house fix the unit by attaching vibration proof mat Selection of Installation Place 9 Place robust not causing vibration where the body can be supported Place which is less affected by rain or direct sunlight and is sufficiently sufficiently ventilated Place not affected by heat or steam generated in the vicinity where Place possible to bear the unit where vibration and noise are inlet and outlet of the unit are not disturbed not increased Place possible to drain easily where piping can be connected with the e Place where discharged wind and noise do not cause a outdoor unit nuisance to the neighbors Place where cold air can be spread in a room entirely e Place where a distance marked lt gt available as illustrated Place nearby a power receptacle with enough space around Refer in the above figure to drawings Place where the distance of more than Im from televisions radios wireless apparatuses and fluorescent lamps can be left In the case of fixing the remote controller on a wall place where the indoor unit can receive signals when the fluorescent lamps in the room are lightened Power Source Before inserting power plug into receptacle check the voltage without fail The power source is the same as the corresponding name plate Install an exclusive branch circuit of the power receptacle shall be set up in a distance where the power cable be reached Do n
30. and make sure fixing with adhesive tape Heat insulation material Ng Drain hose Lid for right piping Lid for left piping Lid for under piping pipe Indoor outdoor electric cable Fix with adhesive tape e indoor outdoor electric cable and drain hose must be bound with refrigerant piping by protecting tape Other direction piping Cut away with a nipper the lid for piping according to the piping direction and then bend the pipe according to the position of wall hole When bending be careful not to crash pipes Connect beforehand the indoor outdoor electric cable and then pull out the connected to the heat insulation of connecting part specially Fixing the indoor unit body eHang surely the unit body onto the upper notches of the mounting plate mounting plate Move the body from side to side to verify its secure fixing n order to fix the body onto the mounting plate hold up the body aslant from the underside and then put it down perpendicularly 4 Connecting the indoor outdoor Electric Cable Removing the wiring cover Remove terminal cover at right bottom corner of indoor unit then take off wiring cover by removing its screws Haier 25 9 9 2 Installation Indoor unit When connecting the cable after installing the indoor unit 1 Insert from outside the room cable into left side of the wall hole in
31. ant system If air enters the refrigerating system an excessively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to locate the leak and repair it before charging the refrigerant After charging refrigerant make sure that there is no refrigerant leak If the leak cannot be located and the repair work must be stopped be sure to perform pump down and close the service valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When replacing the coin battery in the remote controller be sure to disposed of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immediately Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there is a possibility of combustible gas leaks If a combustible gas leaks and remains around the unit it can cause a fire Be sure to install the packing and seal on the installation frame properly If the packing and For integral seal are not installed properly water can enter the room and wet the furniture and floor units only Haier Domestic Air Conditioner Haier 25 9 9 2 Introduction 1 4 Inspecti
32. ch press fan speed changes as follows Remote controller iM MED HI AUTO LO Air conditioner is running under displayed fan speed When FAN is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature e Unit stop Press ON OFF button the unit stops Hints On cooling only unit heating mode is not available System Configration rea J ON OFF de SLEEP o o LOCK RESET gt er Remote controller can memorize each operation status When starting it next time just press ON OFF button and unit will run in previous status No reelecting is needed TIMER ON OFF SLEEP SWING needs reelecting 38 Haier Domestic Air Conditioner Haier 25 9 9 2 System Configration Operation Dry Operation 2 e Unit start Press ON OFF button unit starts Previous operation status appears on display Not Timer setting e Select operation mode Press MODE button For each press operation mode changes as follows 1 TA m 320 Unit will run operation mode displayed LCD e Stop display at your desired mode Select temp setting Press TEMP button A Every time the button is pressed temp setting increases 1 C Lock RESET V Every time the button is pressed temp setting decreases 1 C Unit will start runn
33. charge pipe If the temperature of discharge pipe used in place of the inner temperature of the compressor rises abnormally the operating frequency drops or the operation halts 1 The indoor heat exchanger thermistor is used for controlling target discharge temperature The system sets a target discharge temperature according to the outdoor and indoor heat exchanger temperature and controls the electronic expansion valve opening so that the target discharge temperature can be obtained 2 The indoor heat exchanger thermistor is used for preventing freezing During the cooling operation if the temperature drops abnormally the operating frequency becomes lower then the operation halts 3 The indoor heat exchanger thermistor is used for anti icing control During the cooling operation if the heat exchanger temperature in the room where operation is halted becomes 1 C it is assumed as icing Domestic Air Conditioner Haier 2 9 9 2 Funcitions and Control 5 4 Thermistor resistance chart 5 4 1 Intdoor Unit Room sensor R25 C 23K0 3 B25 C 50 C 4200K 3 Max KQ Min KQ Tolerance C 30 568 8372 501 0746 440 8435 1 97 1 75 240 9897 217 6590 226 3000 204 7662 13 187 8698 170 9169 155 3033 1 64 1 51 9 1474409 135 0868 123 6153 16 144 8 1389148 1274956 1168717 153 143 6 123457 1137000 104582 149 7139 1 82 6970 77 0544 71 7088 1 34 1 27 6 6
34. cification of indoor unite 11 5 2 Main functions and control specification of outdoor unit 14 5 3 Function of Thermistor 19 5 4 Thermistor resistance chart e 6 20 6 System Configuration adit eec onc 20 6 1 System Configuration ORS ps eg nae ate vp sae 29 6 2 Instruction HH 29 7 Service Diagnosis Rd en Pid Dub HE RP Eque Rp Meee ae TENE EE 48 7 1 Caution for Diagnosis nnn 48 1 2 Problem Symptoms and Measures see 48 7 3 Error Codes and Description een eee re ere eee cee rn RO RUE RUP rae RAE aud 48 1 4 Trouble Shooting Sabaudia qiie al mare lated ren ritas UAE 49 8 5 5 55 5 2 57 9 Removal Procedure o eee 65 9 1 The removal procedure of Indoor Unit tte eee 65 9 2 The removal procedure of Outdoor Unit 75 10 rr 89 10 1 Piping Diagrams lier px d egisse rade Re Fk 89 10 2 Wiring Diagrams MUI or oes M LUE E UN ane RU MU ee 90 10 3 Circuit Diagrams NER demie RSS DOM Ue Gam LU RU PR ln a eres tele ome Hte ed ag d 91 10 4 Description of coding rules of the unit 93 Haier Domestic Air Conditioner Haier 25 9 9 2 Introduction 1 Introduct
35. d after compressor is started When Tr gt Ts 5 C compressor is off and the indoor fan motor runs as in cold blast avoidance mode When Tr lt Ts 5 C compressor four ways valve and outdoor fan motor is on and the indoor fan motor runs as in the mode of avoiding cold blast 5 1 3 Dehumidification mode The compressor outdoor fan and indoor fan will run as per the following working pattern so as to realize the refrigerating running of dehumidification 1 Tr Ts 2 C compressor outdoor fan run continuously indoor fan runs as per setting wind speed State 1 2 Ts 2 C2Tr2Ts compressor outdoor fan run intermittently with 10 minutes ON 6 minutes OFF Compressor and outdoor fan are synchronous indoor fan runs in fixed lower wind speed and will cease at the stand by time of 3 minutes State 2 3 Tr Ts compressor outdoor fan ceases indoor fan runs in lower wind speed State 3 Haier Domestic Air Conditioner Haier H2SM 9 9HEK03 R2 Funcitions and Control State1 State2 State3 Ts 1 Ts Ts 2 Ts 2 5 1 4 Indoor Fan Control 5 1 4 1 Cooling run mode auto when Tr2Ts 3 C the wind speed is high When Ts 1 Cs Tr lt Ts 3 the wind speed is medium When Tr Ts 1 the wind speed is low When temperature sensor is off the fan motor runs at low speed When the wind speed changes from low to high there is no delay and when it changes from high to low there is a 3 minutes delay before conversion Manual operation Wh
36. detected by checking the indoor board and outdoor board Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Haier 52 Domestic Air Conditioner Haier Check whether the linking cable between the indoor and outdoor is not well connected YES If unit A have error please turn on A and B both check whether B is fine NO Please check whether the connecting of L or N is reversed of the two units NO Check whether he LED1 on the outdoor PCB is on NO Check whether the voltage of CN7 in outdoor pcb is about 198 253VAC YES Check whether the voltage of CN4 in_outdoor pcb is about 12VAC NO YES The outdoor PCB is damaged Haier YES gt 25 9 9 2 YES Reconnect the linking cable please reverse the outdoor connecting wires A C and B C between unit A and B Reconnect the L and N wires ES gt The outdoor PCB is damaged __ The transformer is bad Check whether fuse of outdoor pcb is broken NO Check whether the wire fro terminal block to out pcb is well connected 53 Service Diagnosis If A is error and B is fine indoor unit A PCB is damaged If A is fine and B has error the outdoor unit main PCB is damaged Reaplace the
37. e screw of the stop valve cover valve cover and remove it Pull down the stop Step 1 Features 1 75 Domestic Air Conditioner Haier Haier H2SM 9 9 HEK03 R2 Step Removal Procedure Procedure Points m 1 D ___ remove the back guard Haier 76 Domestic Air Conditioner Removal Procedure 25 9 9 2 Haier Points Procedure af dau 4 the forntpanel Pull and remove the front panel Step 4 Loosen the screws of TT Domestic Air Conditioner Haier Removal Procedure 5 eR ud gt es n 25 9 9 2 9 2 2 Romoval of Electrcal Box Haier Remove the fixing screws then lift the electrical box x 78 Domestic Air Conditioner Haier Removal Procedure Points assembling so as not to be entangled with the propeller E Put the lead wire through the back of the motor when fan 25 9 9 2 Procedure a DNN SS J
38. e sensors on the pipes A and B short circuited or disconnected the double unit will not carry out defrosting operation During heating this signal is sent to the indoor unit but no sending for other operating conditions When sent to the indoor unit the whole unit stops The signal is sent to the indoor unit which coil is operating abnormally and the corresponding indoor unit indicates trouble When the temperature sensor short circuited or disconnected or the current transformer fails the alarm light flashes in the following manner when the current transformer fails the signal is sent to the indoor unit that operates abnormally and the corresponding indoor unit indicates trouble Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Funcitions and Control 5 3 Function of Main Thermistor Outdoor Suction Temperature Sensor Exhaust Temperature Sensor Indoor heat exchange Sensor Haier A Four way valve Compressor Note A Outdoor suction temperature sensor B Exhaust temperature sensor C Indoor heat exchange sensor The outdoor heat exchanger thermistor is used for controlling target discharge temperature The system sets a target discharge temperature according to the outdoor and indoor heat exchanger temperature and controls the electronic expansion valve opening so that the target discharge temperature can be obtained The discharge pipe thermistor is used for controlling temperature of the dis
39. em Configration Timer On Off Operation Set Clock correctly before starting Timer operation You can let unit start or stop automatically at following times Before you wake up in the morning or get back from outside or after you fall asleep at night TIMER ON OFF After unit start select your desired operation mode Operation mode will be displayed on LCD TIMER mode selection Press TIMER button to change TIMER mode Every time the button is pressed display changes as follows N 5 58 mid blank 12 00 12 00 12 00 12 00 TIMER TIMER OFF TIMER ON OFF TIMER ON OFF Select your desired TIMER mode TIMER ON or TIMER OFF ON or OFF will flash Timer setting Press HOURA V button A Every time the button is pressed time increases 10 min If button is kept depressed time will change quickly V Every time the button is pressed time decreases 10 min If button is kept depressed time will change quickly Time will be shown on LCD It can be adjusted within 24 hours Confirming your setting After setting correct time press SET button to confirm ON or OFF stops flashing Time displayed Unit starts or stops at x hour x min TIMER ON or TIMER OFF Timer mode indicator on indoor unit lights up To cancel TIMER mode Just press TIMER button several times until TIMER mode disappears Hints After replac
40. emove MMU eee Haier 82 Domestic Air Conditioner Haier 9 2 5 Romoval of right side plate 25 9 9 2 Removal Procedure Step Procedure Points Loosen the fixing screws and lift the left side plate Haier 83 Domestic Air Conditioner Removal Procedure 25 9 9 2 Haier 9 2 6 Romoval of compressor pud 2 o o pus by E t fixing screws Domestic Air Conditioner 84 Haier Haier 25 9 9 2 9 2 7 Romoval of right side plate Removal Procedure Step Procedure Points SY NS NN NN TMM RR Pull the Handlebar from the left side plate Haier 85 Domestic Air Conditioner Removal Procedure 25 9 9 2 Haier uo 7 yy A o e amp 7 S e to 5 939 o lt xX 2 ce D 5 8 5 6 N wn Domestic Air Conditioner 86 Haier Haier 9 2 8 Romoval of heat exchanger 25 9 9 2 Removal
41. emperature higher than T_CPS 68 C and maintains for 10 seconds both the compressor and outdoor fan stop and the indoor fan operates as the thermostat is Off The compressor will not restart in 3 minutes until the coil temperature lower than T_ CP 50 5 2 4 Double unit heating operation When the double unit s indoor unit gives out a heating signal outdoor compressor A starts heating operation During the operation outdoor compressor A and the 4 way valve operate 1 second before the fan starts 20 seconds later outdoor compressor B starts heating operation Once an outdoor compressor starts the other compressor will not start in 20 seconds from the start When changed from cooling to heating the compressor stands by for 3 minutes When both compressors are in the strand by status the outdoor fan stops Otherwise it operates The status of the fan depends on the number of the compressors that operate When the outdoor ambient temperature 1 lt 10 the outdoor fan runs at the high speed There is a return difference for the change between high and medium speed When the outdoor ambient temperature T1220 C the outdoor fan runs at the low speed There is a return difference for the change between low and medium speed Once a fan operates in a mode it must operate for more than 45 seconds 5 2 5 Cooling and heating operations take place at the same time When one of the indoor units gives out a cooling signal and another uni
42. en unit is on the wind speed can be set to high medium low or automatic as required execute instruction 2 seconds later after receiving remote signal 5 1 4 2 Heating run mode Manual operation The wind speed can be set to high medium low or automatic as required Automatic operation When Tr lt Ts the wind speed is high When TssTr lt Ts 2 C the wind speed is medium When Ts 2 Cs Tr the wind speed is low 5 1 4 3 Warm start When heating running begins indoor fan will conduct the following fan control If the temperature of indoor coil pipe is 223 C start lower wind speed If the temperature of indoor coil pipe is 238 C turn to setting wind speed 5 1 4 4 Control of indoor fan under heating OFF state Under heating state the compressor will cease if the indoor coil pipe s temperature gt 23 indoor fan will run in lower wind speed if the coil pipe s temperature lt 21 indoor fan will cease 5 1 5 3minutes stand by time When the compressor ceases due to the sensor OFF unit On or OFF or fault it will maintain pause for 3 minutes 5 1 6 Compensatory function of power failure If the unit is suddenly off during running due to power failure or closed for maintenance or troubleshooting it will restart to run after the power resumes with the original condition before the unit is off Note 1 Function setting Pressing the SLEEP button on the remote control unit for 10 times until hearing 4 sounds f
43. essional people don t install unit by yourself For the purpose of the safety the air con ditioner must be properly grounded in acco rdance with specifications e Always remember to unplug the air conditioner before openning inlet grill Never unplug your air conditioner by pulling on the power cord Always grip plug firmly and pull straight out from the outlet All electrical repairs must be carried out by qualified electricians Inadequate repairs may result in a major source of danger for the user of the air conditioner Do not damage any parts of the air conditioner that carry refrigerant by piercing or performating the air conditioner s tubes with sharp or pointed items crushing or twisting any tubes or scraping the coatings off the surfaces If the refrigerant spurts out and gets into eyes it may result in serious eye injuries Domestic Air Conditioner Haier Cautions Do not obstruct or cover the ventilation grille of the air conditoner Do not put fingers or any other things into the inlet outlet and swing louver Do not allow children to play with the air conditioner In no case should children be allowed to sit on the outdoor unit Specifications The refrigerating circuit is leak proof The machine is adaptive in following situation Applicable ambient temperature range H2SM 9 9 HEKOS R2 Maximum D B W B 32 C 23 C Indoor Minimum D B W B 18 C 14 C
44. et Air Purifying Filter inside Inlet grille Power indicator Lights up when unit starts Timer or sleep Lights up whenTimer operation is selected Operation mode indicator lights up when the compressor is Horizontal flap adjust up and down air flow Don t adjust it manually Vertical blade adjust left and right air flow Remote signal receiver A beeping sound is generated when a signal from remote controller isreceived Ambient temp display When receiving the remote control signal display the set temperature and in the rest time the room temperature is displayed and this room temperature is only for reference Actual inlet grille may vary from the one shown in the manual according to the product purchased Outdoor Unit 1 OUTLET 3 CONNECTING PIPING AND ELECTRICAL WIRING 2 INLET 4 DRAIN HOSE 34 Haier Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 System Configration Parts and Functions If the unit which you purchased has not healthy function Remote controller should like the following figure mE Remote controller E Display board
45. exchange sensor failure Method of Malfunction The temperatures detected by the thermistors are used to determine thermistor errors Detection Malfunction Decision When the thermistor input is more than 4 92V or less than 0 08V during compressor Conditions operation Note The values vary slightly in some models Faulty connector connection Supposed Causes Faulty thermistor Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Pull out the terminals on the indoor mainboard and reinsert them whether terminal CN8 on indoor PCB contact wellt Pull the sensor out of the mainboard 1 Measure the value of resistance Between its two jumpers 2 Measure the temperature at the room temperature sensing head Check the value of the sensor to see Sensor is broken replace it with new whether the sensor is damaged or not sensor YES The indoor PCB is broken replace with new indoor PCB Haier 49 Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Service Diagnosis 7 4 2 Indoor fan motor malfunction Indoor Display E14 Method of Malfunction The rotation speed detected by the Hall IC during fan motor Detection operation is used to determine abnormal fan motor operation Malfunction Decision When the detected rotation feedback singal don t receiced i
46. fuse with ES gt 3 15 250V Reconnect the linking wire Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Service Diagnosis 7 4 5 Outdoor unit A or B s coin sensor failure Outdoor Display LED1 of outdoor PCB flashes 5 or 9 times Method of Malfunction This type of error is detected by checking the thermistor input voltage to the Detection microcomputer A thermistor error is detected by checking the temperature Malfunction Decision The thermistor input is above 4 9V or below 0 1V with the power on Conditions Note The values may vary slightly in some models Faulty connector connection Supposed Causes Faulty thermistor B Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check the connector connection 8 NO Correct the connection YES Y Thermistor resistance Y gt NO Replace the thermistor YES Replace the outdoor unit PCB Thermistor resistance check method Remove the connectors of the thermistors on the PCB and measure the resistance of thermistors using tester The relationship between normal temperature and resistance is shown in the value of outdoor thermistor A J Resistance range 54 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Service Diagnosis 7 4 6 The ind
47. he frame 68 Haier Domestic Air Conditioner Haier 9 1 5 Removal of Vertical Blades and Swing Motor 25 9 9 2 Removal Procedure Step Procedure Points m Remove the assembly of the outlet grille 1 Remove the vertical blades 1 Push the hooks on the back of the vertical blades and remove Haier 69 Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Removal Procedure 9 1 6 Removal of Electrical Box Step Procedure Points Remove the front grille m Discharge the static 1 Remove the electrical electricity from your body box before touching the electrical parts like signal receiver PCB It may cause malfunction of PCB 1 Loosen the screw marked and pull the electrical control box cover out first third 2 Removal the marked parts flow the numbers W When assembling insert the left hook of the drip proof plate into the hem plate of the heat exchanger 3 Losson the marked scres then pull the control box screw 70 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Removal Procedure 9 1 7 Removal of Heat Exchanger Step Procedure Points m
48. he result of the calculation from falls in the range of CxTA a 15 C the interval between two defrosting operations is 55 minutes 5 2 9 3 Defrosting operation At the beginning of defrosting the compressor is halted for the first one minute but the outdoor fan operates 50 seconds later the 4 way valve is OFF During the defrosting operation such protections as the compressor s current protection are available The compressor may be interrupted for its protection or due to a trouble and restore after 3 minutes If it remains in the defrosting period it will still start to defrost The start of the compressor is made by the rules for the start of the defrosting compressor if it cannot restore 3 times in a row it will be dealt with as in trouble and cancel defrosting 5 2 9 4 Finish Defrosting operation Once starting to defrostthe compressor must be guaranteed at least 2 minutes of operation before canceling defrosting As for the conditions to cancel defrosting it will restore to the heating operation from the defrosting operation as long as any of the following conditions is met The outdoor heat exchanger temperature is above 7 degrees for consecutive 80 seconds The outdoor heat exchanger temperature is above 5 degrees for consecutive 12 seconds The defrosting operation has lasted 9 minutes After the conditions for cancellation of defrosting are met the following operations will follow The compressor stop
49. ide Outdoor side slightly descending to outside the wall Wall hole Thickness Install piping hole cover and seal it of wall off with putty after installation 70mm Section of wall hole Piping hole pipe 3 Installation of the Indoor Unit Drawing of pipe Rear piping e Draw pipes the drain hose then fasten them with the adhesive tape Left rear piping e In case of left side piping cut away with a nipper the lid for left piping e n case of left rear piping bend the pipes according to the piping direction to the mark of hole for left rear piping which is marked on heat insulation materials 1 Insert the drain hose into the dent of heat insulation materials of indoor unit 2 Insert the indoor outdoor electric cable from backside of indoor unit and pull it out on the front side then connect them 3 Coat the flaring seal face with refrigerant oil and connect pipes Cover the connection part with heat insulation materials closely and make sure fixing with adhesive tape Haier 59 Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Installation Indoor unit 1 Insert the drain hose into the dent of heat insulation materials of indoor unit 2 Insert the indoor outdoor electric cable from backside of indoor unit and pull it out on the front side then connect them 3 Coat the flaring seal face with refrigerant oil and connect pipes Cover the connection part with heat insulation materials closely
50. igerant must be conducted by professional air conditioner engineer Before adding additional refrigerant perform air purging from the refrigerant pipes and indoor unit using a vacuum pump then charge additional refrigerant Indoor unit FN UN Outdoor unit Indoor unit A1 i B2_ Oil trap Indoor unit A2 Indoor unit oe unit E i pde unit Indoor unit P V In case Ais more than 5m CAUTION e Max Elevation A1max 10m A2max 10m Max Length B1max 15m B2max 15m e In case the elevation Ais more than 5m e Incase the pipe length B is more than 5m NV oil trap shoud be installed every 5 7m the refrigerant should be charged according to 20 g m E 3 Connection Use the same method on indoor unit Loosen 9 f wiring is not correct proper operation can the screws on terminal block and insert the not be carried out and controller may be plugs fully into terminal block then tighten the damaged Screws e Fix the cable with a clamp e Insert the cable according to terminal number in the same manner as the indoor unit 4 Attaching Drain Elbow f the drain elbow is used please attach it as figure Note Only for heat pump unit Haier 1 8 Domestic Conditioner Haier H2SM 9 9 HEKOS R2 Installation Outdoor unit 6 Purging Method To use vacuu
51. igher than CPS 68 C and maintains for 10 seconds both the compressor and outdoor fan stop and the indoor fan operates as the thermostat is Off The compressor will not restart in 3 minutes until the coil temperature lower than T CP R 50 C In the single unit heating operation the current in the compressor is larger than 5 8A and the outdoor fan stops 45 seconds later the current in the compressor is less than 5 3A and the outdoor fan operates in normal condition the compressor does not detect current within 30 seconds after its start the current in the compressor is larger than 5 3Aand less than 5 8A and the outdoor fan does not restore 5 2 7 Double unit heating operation with heat load In the double unit heating operation the indoor unit gives out the value of the coil temperature and the outdoor unit judges whether to start in the high load protection operation based on the value of the temperature it has received If the conditions for high load protection are met the outdoor fan stops immediately It will restart 45 seconds later if the signal for the outdoor heat load disappears Otherwise the outdoor fan will continue to stop until the signal for the outdoor heat load disappears The signal for heat load is as follows High temperature protection When the indoor coil temperature higher than T OFS 56 C the outdoor fan stops when the coil temperature falls to T OFR 52 C the outdoor fan restarts The outdoor fan stops fo
52. in cfm Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Specifications Casing Color Ivory White 44A203A B PA118X1C 4FZ A Motor Output 850 B 970 A NMOCZE Gles RB68EP B Oil Type ESTER OIL VG74 A Oil Charge 270 B 350 A Refrigerant 0185 6 1 15 m min High m min Low cfm High 1104 cfm Low 723 Propeller fan Motor Output W 35 A 3 9 7 8 Compressor Running Current 3 8 7 6 5 3 11 1 sona 57 21 5 Di i HxWxD st d imensions 8 valve 820x682x310 bottom support is not included Packaged Dimensions HxWxD mm 949x745x406 g Gross Weight kg Sound Power Note The data are based the conditions shown in the table below Cooling Piping Length Indoor 27 CDB 19 CDB Indoor 20 CDB Outdoor 27 CDB 19 CDB Outdoor 7 CDB 6 CDB om Conversion Formulae kcal n kWx860 Btu hZkWx3414 cfm m minx35 3ext Haier Domestic Air Conditioner Haier 25 9 9 2 Connector Wring Diagram 4 Printed Circuit Board Connector Wiring Diagram 4 1 Indoor unit Connectors Connectors PCB Control PCB 5 N16 ON2 CON1 CN3 D 4 S o 2 qM 05 sia j 04 1 E J21 2 J8 CN2 5 22 o e o 2 IC3 Haier CN1 connector for transformer output CN2 connector for power L N wire CN3 connector for transformer input CN5 connector for display board CN7 connector for AC fan m
53. ing batteries or a power failure happens Time setting should be reset Remote controller possesses memory function when use TIMER mode next time just press SET button after mode selecting if timer setting is the same as previous one Haier 44 Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 Operation System Configration Timer On Off Operation 24 lt e After unit start select your desired operation mode Operation mode will be displayed on LCD Press TIMER button to change TIMER mode Every time the button is pressed display changes as follows gt Gad 53 59 blank 42 00 pu 12 00 12 00 pu 12 00 TIMER TIMER OFF TIMER ON OFF TIMER ON OFF Select TIMER ON OFF ON will flash e Time setting for TIMER ON Press HOUR button A Every time the button is pressed time increases 10 min If button is kept depressed time will change quickly V Every time the button is pressed time decreases 10 min If button is kept depressed time will change quickly Time will be shown on LCD It can be adjusted within 24 hours AM refers to morning and PM to afternoon e Time confirming for TIMER ON After time setting press TIMER button to confirm ON stops blinking While OFF starts blinking Time displayed Unit starts at x hour x min e Time setting for TIMER OFF Follow the same procedures in Time setting for TIMER ON e Time confirming for TIMER OFF
54. ing to reach the temp setting on LCD e e Fan speed selection Press FAN button For each press fan speed changes as follows iul au AUTO MED COOL operation starts when room temp is higher than temp setting Unit runs at the speed displayed on LCD Temp setting 2 C oO In DRY mode when room temperature becomes Temp setting lower than temp setting 2 C unit will run intermittently 7 at LOW speed regardless of setting On reaching temp Sening unit will run in mild DRY mode e Unit stop Press ON OFF button the unit stops Hints On cooling only unit heating mode is not available Remote controller can memorize each operation status When starting it next time just press ON OFF button and unit will run in previous status No reelecting is needed TIMER ON OFF SLEEP SWING needs reelecting 39 Haier Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 Operation Heat Operation Unit start Press ON OFF button unit starts Previous operation status appears on display Not Timer setting Select operation mode Press MODE button For each press operation mode changes as follows AUTO COOL DRY HEAT FAN Unit will run in operation mode displayed on LCD Stop display at your desired mode e Select temp setting Press TEMP button A Every time the button is pressed temp setting increases 1 C V Every time the button is pressed tem
55. install an earth leakage breaker For installation in other places use a circuit breaker as far as possible 2 Cutting and Flaring Work of Piping Pipe cutting is carried out with a pipe cutter and burs must be removed After inserting the flare nut flaring work is carried out A Flare tooling die Conventional flare tool Clutch type clutch type Rigid type Wing nut type Imperial type 1 Cut pipe 2 Remove burs 3 Insert the flare nut Correct Incorrect TT BE Lean Damage of flareCrack Partial outside SAN 4 3 On Drainage Please install the drain hose so as to be downward slope without fail Please don t do the drainage as shown below It becomes high The end is immersed It waves The gap with the ground There is the bad smell midway in water is too small from a ditch e Please pour water in the drain pan of the indoor unit and confirm that drainage is carried out surely to outdoor e n case that the attached drain hose is in a room please apply heat insulation to it without fail Check for Installation and Test Run Please kindly explain to our customers how to operate through the instruction manual Check Items for Test put check mark v in boxes Gas leak from pipe connecting 015 drainage securely carried out O Is the lamp normally lighting Heat insulation of pipe connecting O Is the
56. ion 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 injury if they are not followed closely The Caution items can also lead to serious accidents under some conditions if they are not followed Therefore be sure to observe all the safety caution items described below About the pictograms A This symbol indicates item for which caution must be exercised The pictogram shows the item to which attention must be paid O This symbol indicates a prohibited action The prohibited item or action is shown inside or near the symbol This symbol indicates an action that must be taken or an instruction The instruction is shown inside or near the symbol After the repair work is complete be sure to conduct a test operation to ensure that the equipment operates normally and explain the cautions for operating the product to the customer 1 2 Caution in Repair Warning Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipmen
57. ions applicable to different models 5 1 1 Automatic running 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 and then will run according to the determined mode Tr in the following selection conditions means room temperature Ts means setting temperature Tp means temperature of indoor coil pipe Tr223 C Choose the cooling mode Tr lt 23 C Choose the warming mode After turning to the automation mode the running mode can be switched between cooling mode fan mode and heating mode according to the change of the indoor ambient temperature But the automatic conversion between cooling mode and heating mode must be conducted after 15 minutes 5 1 2 Indoor temperature control Temperature control range 16 C 30 C Temperature difference 1 C Compressor can t be controlled by temperature sensor within 2 minutes after it starts 1 Cooling mode When Tr gt Ts outdoor fan motor and compressor on and indoor fan motor run at fixed wind speed When Tr lt Ts outdoor fan motor and compressor off and when Tr gt Ts outdoor fan motor and compressor are working again If Tr Ts the indoor fan motor outdoor fan motor and the compressor s state will not change 2 Heating mode When Tr lt Ts compressor four ways valve and outdoor fan motor is on indoor fan motor runs as in cold blast avoidance mode and 4 Cof compensation is adde
58. le more than the point where the torque increases After attaching the each caps check the gas leakage suddenly C around the caps 2 way valve Liquid Side 3 way valve Gas Side Q S 2 way valve 3 way valve If it does not stop gas leakage discharge whole refrigerants from the service port After flaring work again and vacuumize fill up prescribed refrigerant from the gas 1 cylinder 2 way valve 3 way valve To indoor unit A A To indoor 2 way valve unit B B 3 way valve Valve rod OO Valve rod Service port cap CAUTION 1 If the refrigerant of the air conditioner leaks it is necessary to discharge all the refrigerant Vacuumize first then charge the liquid refrigerant into air conditioner according to the amount marked on the name plate 2 Please do not let other cooling medium except specified one R410A or air enter into the cooling circulation system Otherwise there will be abnormal high pressure in the system to make it crack and lead to personal injuries Haier 63 Domestic Air Conditioner Haier 25 9 9 2 Installation 1 Power Source Installation The power source must be exclusively used for air conditioner Over 10 e n the case of installing an air conditioner in a moist place please
59. m pump Detach the service port s cap of 3 way valve the valve rod s cap for 2 way valve and 3 way s connect the service port into the projection of charge hose L low for gaugemanifold Then connect the projection of charge hose center for gaugemanifold into vacuum pump Open the handle at low in gaugemanifold operate vacuum pump If the scale moves of gause low reach vacuum condition in a moment check e again Vacuumize for over 15min And check the level gauge which should read 0 1 MPa 76 cm Hg at low pressure side After the completion of vacuumizing close the handle Lo in gaugemanifold and stop the operation ofthe vacuum pump Check the condition of the scale and hold it for 1 2min If the scale moves back in spite of tightening make flaring work again the return to the beginning of Open the valve rod for the 2 way valve to an angle of anticlockwise 90 degrees After 6 seconds close the 2 way valve and make the inspection of gas leakage In case of gas leakage tighten parts of pipe connection If leakage stops then proceed steps 1 1 N A 01 YA 1 Detach the charge hose from the service port open 2 way valve and 3 way Turn the valve rod anticlockwise until hitting lightly To prevent the gas leakage turn the service port s cap the valve rod s cap for 2 way valve and 3 way s a litt
60. n 2 minutes Conditions Operation halt due to short circuit inside the fan motor winding B Operation halt due to breaking of wire inside the fan motor B Operation halt due to breaking of the fan motor lead wires L Dedection error due to faulty indoor unit PCB Supposed Causes W hether terminal CN7 and on indoor PCB well inserted or not ES Pull out and reinsert the terminals NO Y Electrify the machine again and turn it on in the cooling operation Measure voltage between the positions 1 red wire and 5 black wire of Terminal CN7 on the indoor PCB The indoor pcb is damaged and The voltage is about 90 200vac need replace YES Check whether motor can run when turn on the unit The indoor motor is damaged and need replace YES When motor is running Measure whether there is voltage pulse 0 5 VDC between the positions 2 middle wire and 3 black wire The indoor motor is damaged and need replace of Terminal CN13 on the indoor YES The indoor pcb is damaged and need replace Haier 50 Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Service Diagnosis 7 4 3 Outdoor ambient Sensor failure Indoor Display F6 Outdoor Display of outdoor PCB flashes twice Method of Malfunction The temperatures detected by the thermistors are used to determine
61. nditioner automatically adjusts the fan speed according to room temperature Unit stop Press ON OFF button the unit stops Hints o o LOCK RESET d Remote controller can memorize settings in each operation mode To run it next time just select the operation mode and it will start with the previous setting No reelecting is needed TIMER ON OFF SLEEP SWING needs reelecting Cautions On cooling only unit heating mode is not available After replacing batteries press ON OFF and display becomes as follows Operation mode AUTO Temp No 37 Haier Note The above information is the explanation of the displayed information therefore varies with those displayed in actual operation Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 Operation Cool Operation 2 e Unit start Press ON OFF button unit starts Previous operation status appears on display Not Timer setting e Select operation mode Press MODE button For each press operation mode changes as follows AUTO COOL DRY HEAT FAN Unit will run in operation mode displayed on LCD Stop display at your desired mode e Select temp setting Press TEMP button A Every time the button is pressed temp setting increases 1 C V Every time the button is pressed temp setting decreases 1 C Unit will start running to reach the temp setting on LCD e Fan speed selection Press FAN button For ea
62. ngle unit defrosting operation 5 2 9 1 Conditions for starting in the defrosting operation 16 Haier Domestic Air Conditioner Haier 2 9 9 2 Funcitions and Control The heating compressor starts and operate continuously for 10 minutes After the compressor has been operating for 45 minutes in total the defrosting operation ends or when starting in the cooling mode the compressor totals the operating time for zero clearance detecting the defrosting sensor TE detecting the frosting of the outdoor heat exchanger and the outdoor ambient temperature sensor TA for straight 2 minutes provided the following conditions are met it will start for the defrosting operation TESCxTA a Where TA lt 0 C C 0 8 TA20 C C 0 6 be selected according to the data of EEPROM as follows e d a In the place where it tends to frost it is preferred to choose H In the place where it does not intend to frost it is preferred to choose L It is set M at delivery During the defrosting operation the temperature control starts 15 C lt CxTA as 2 C Note If the result of the calculation from is less than 15 C 15 C applies If the result of the calculation from is larger than 2 C 2 C applies 5 2 9 2 Interval of defrosting When the result of the calculation from falls in the range of 15 C lt CxTA a the interval between two defrosting operations is 45 minutes When t
63. ompressor stops and it changes to the single unit operation The fan is controlled in the single unit operation mode It stops 30 after blowing off the remaining heat only if both compressors turn off at the same time 5 2 3 Single unit heating operation When the single unit s indoor unit gives a heating signal the corresponding outdoor compressor carries out cooling operation During the operation the outdoor fan and 4 way valve operate 1 second 14 Haier Domestic Air Conditioner Haier 2 9 9 2 Funcitions and Control before the outdoor fan operates When changed from cooling to heating the compressor stands by for 3 minutes the outdoor fan stops When the outdoor ambient temperature T1 lt 3 C the outdoor fan runs at the high speed There is a return difference of 2 C for the change between high and medium speed When the outdoor ambient temperature T1213 C the outdoor fan runs at the low speed There is a return difference of 2 C for the change between low and medium speed Once the fan operates in a mode it must operate for more than 45 seconds There is a high temperature protection and a temperature cut off protection High temperature protection When the indoor coil temperature higher than T_OFS 56 C the outdoor fan stops when the coil temperature falls to T_OFR 52 C the outdoor fan restarts The outdoor fan stops for more than 45 seconds High temperature cut off protection When the indoor coil t
64. on 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 and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires can cause an electrical shock excessive heat generation or fire Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire 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 installation platform or frame has corroded replace it Corroded installation platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 M ohm or higher Faulty insulation can cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor
65. one of the units Check the power supply Check to make sure that the rated voltage is supplied is operates Check the indoor PCB Check to make sure that the indoor PCB is broken Operation 8 Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation sometimes stops Set the units to cooling operation and compare the temperatures Check for faulty operation of the of the liquid side connection pipes of the connection section Equipment operates but does not cool or does not Ress Kony Tor hese pum Diagnosis by service port pressure electronic expansion valve among rooms to check the opening and closing operation of the electronic expansion valves of the individual units Check for insufficient gas and operating current Check to make sure that the required spaces for Check the installation condition installation specified in the Technical Guide etc are provided Large operating noise and vibrations 7 3 Error Codes and Description Room temperature sensor failure indoor Heat exchange sensor failure Indoor EEPROM error ee Eid indoor fan motormaltuncion Outdoor Malfunction F7 Outdoor unit B s coil sensor faie J ooo Haier 48 Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Service Diagnosis 7 4 Trouble Shooting 7 4 1 Thermistor or Related Abnormality indoor unit E1 Room temperature sensor failure Indoor Displa ed E2 Indoor heat
66. oner Haier H2SM 9 9 HEK03 R2 Removal Procedure 9 1 2 Removal of Filter and Blade Step 1 Removal of Filter CEA push the filter and remove the filters 2 Removal of the blade B knock down the midle dowel first and then the ports 9 1 3 Removal of the Front Grill tep Procedure 1 Remove the grill cover the two bolt down and Loosen the marked two screw covers Haiet 66 Domestic Air Conditioner 66 Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Procedure Release the marked hooks Pull the front grille out horizontally and remove it Haier 67 Removal Procedure m When assembling installthe front grille horizontally So as not to stuff the flap inside m When assembling make sure the three hooks are caught properly Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Removal Procedure 9 1 4 Removal of Drain Pan Loosen the marked screws screws Pull out the drain pan Pull the two chips out from t
67. onously the one which time is short run first Executing shutdown instruction clear timer and sleep function 3 Timer on and timer off can be set synchronously Execution sequence is based on the setting 5 1 9 Sleep Operation When remote control set sleep mode timer lamp is on In cooling dehumidification mode set temperature will rise 1 C after 1 hour operation and another 1 C after the second hour The unit will stop after another 6 hours In heating mode set temperature will fall 2 Cafter 1 hour and another 2 Cafter the second hour and will rise 1 C after another 3 hours and the unit will stop after another 3 hours If airflow of indoor fan is high before setting sleep mode then it will turn into mid level after sleep mode is set If airflow of indoor fan is mid before setting it will turn into low level after setting If airflow of indoor fan is low before setting then it will not change after setting 5 1 10 Emergency running mode When the air conditioner is in stand by state press the emergency switch till hearing a sound from the buzzer then the air conditioner will turn to the emergency run state The rules of emergency run are as follows Tr223 C running refrigerating mode Ts 26 C Tr lt 23 C running heating mode Ts 23 C Haier Domestic Air Conditioner Haier 2 9 9 2 Funcitions and Control 5 2 Main functions and control specification of outdoor unit 5 2 1 Single unit cooling o
68. oor EEPROM Abnormality Indoor Display E4 Method of Malfunction Bedih The Data detected by the EEPROM are used to determine MCU Malfunction Decision When the Data of EEPROM is error or the EEPROM is damaged Faulty EEPROM data Supposed Causes Faulty EEPROM Faulty PCB Conditions Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The indoor mainboard is damaged and needs replacing with a new one 55 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Service Diagnosis 7 4 7 The outdoor EEPROM Abnormality Indoor Display F12 Outdoor Display LED1 flash 1 times Method of Malfunction The Data detected by the EEPROM are used to determine MCU Detection Malfunction Decision When the Data of EEPROM is error or the EEPROM is damaged Conditions Faulty EEPROM data Supposed Causes B Faulty EEPROM B Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The outdoor mainboard is damaged and needs be replaced 56 Haier Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 Installation 8 Installations o Read this manual before installation e Explain sufficiently the operating means to the user according to this manual Necessary Tools for Installation 1 Driver 5 Torque wrench 17mm 22mm 26mm 9 Nipper 12 Reamer
69. or s T Ed 48 fom wapora room temperatur ma T 26 rire teaperadire 3 tenperature sensor BE Ral LENT 49 _ PIB3 ATDS 3 TUS IK switch L pro CUFT o EMEA w t D ms aaa a n ca 0 01 WTA 28 1037 a lys PIFO remote control 35 ayss vme scm 56 FS x PID 1 27 357 emergence switchey PID6 TACLH mR n dum DEL om 4 ges a be j 100UF 16V suis E 51K 7 s Cis s H M meot y mp 3 4 m re Ps H amp ek Lee 15 prr RD 538 g 1S FM 219 K gt RO PTE7 SPSCK p E 25_ prea a 103 275V C C401 PTES TACHL PIF2 TBCH2 C n PES AS k ig o 3 rris so 2 E d Hv pms E 1 16 C401 PTBL ATD a 2 31 mm 5 mw L gy 3 20 10K PO ks 2m r 3 ipo AC fan motor Lgs 20 30 pa PB pay A Bmde select m a E FIBO ATDO T 8 6 tee NO BAF E ma saw T Re 3 step motor coe SSB bie 1 2 3 4 5 7 s Haier 91 Domestic Air Conditioner Haier OUTDOORUNIT
70. ot extend the cable by cutting it Selection of pipe To this unit both liquid and gas pipes shall be insulated as they become low temperature in operation 9 Use optional parts for piping set or pipes covered with equivalent insulation material Gas pipe 9 52mm 3 8 The thickness of the pipe must be 0 8 mm at least Liquid 6 35mm 1 4 Haier H2SM 9 9 HEK03 R2 Installation Indoor unit 1 Fitting of the Mounting Plate and Positioning of the wall Hole When the mounting plate is first fixed 1 Carry out based on the neighboring pillars or lintels a proper leveling for the plate to be fixed against the wall then temporarily fasten the plate with one steel nail 2 Make sure once more the proper level of the plate by hanging a thread with a weight from the central top of the plate then fasten securely the plate with the attachment steel nail 3 Find the wall hole location A using a measuring tape 1 ul ii d 3 A 80mm 8 Fit the level line When the mounting plate is fixed side bar and lintel 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 first fixed for the position of wall hole 2 Making a Hole on the Wall and Fitting the Piping Hole Cover e Make a hole of 70 mm in diameter Indoor s
71. otor feedback CN8 connector for Pipe sensor and Room temperature sensor CN13 connector for up and down step motor CN16 connector for AC fan motor CONG connector for linking cable between the indoor and outdoor CON1 CON2 connector for ions generator reserved SW1 connector for ON OFF switch Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Connector Wring Diagram 4 2 Outdoor unit Connectors Connectors PCB Control PCB CN1 connector for outdoor temperature sensor 1 2 CN2 connector for outdoor pipe temperature sensor 3 CN4 connector for transformer output 4 connector for communicate wire of A unit 5 CN6 connector for communicate wire of B unit 6 CN7 connector for transformer input 7 CNS8 Connector for four way valve coil of B unit 8 CNO9 Connector for four way valve coil of A unit 9 CN10 Connector for out fan motor 10 220V N connector for N power wiring 11 220V L connector L power wiring Cio si ti lt sgg BBE 6 BS gt 01 5 ARB 571015 SYJ J5 PCB a n of CN DB3 001990100050 10 Haier Domestic Air Conditioner Haier 2 9 9 2 Funcitions and Control 5 Funcitions and Control 5 1 Main functions and control specification of indoor unit ______ See the list of functions for the funct
72. p setting decreases 1 C Unit will start running to reach the temp setting on LCD Fan speed selection Press FAN button For each press fan speed changes as follows Remote controller AUTO LO MED HI System Configration Holes eee ON OFF Cep C AU o o LOCK RESET uf IN HEAT mode warm air will blow out after a short period of the time due to cold draft prevention function When FAN is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature e Unit stop Press ON OFF button the unit stops Hints Remote controller can memorize each operation status When starting it next time just press ON OFF button and unit will run in previous status No reelecting is needed TIMER ON OFF SLEEP SWING needs reelcting 40 Haier Domestic Air Conditioner Haier 25 9 9 2 System Configration Operation Fan Operation 2 e Unit start Press ON OFF button unit starts Previous operation status appears on display Not Timer setting e Select operation mode ON OFF Press MODE button For each press operation E mode changes as follows AUTO COOL DRY HEAT FAN Unit will run in operation mode displayed on LCD a 29 Stop display at your desired mode e Fan speed selection Press FAN button For each press fan speed changes as follows
73. peration When the single unit s indoor unit gives a cooling signal the corresponding outdoor compressor carries out cooling operation During the operation the outdoor fan operates 1 second before the compressor operates When changed from heating to cooling the compressor stands by for 3 minutes the outdoor fan operates to blow off remaining heat and stops 30 seconds later When the outdoor ambient temperature T1238 C the outdoor fan runs at the high speed There is a return difference of 2 C for the change between high and medium speed When the outdoor ambient temperature 1 lt 26 the outdoor fan runs at the low speed There is return difference of 2 C for the change between low and medium speed When the outdoor ambient temperature T1 lt 8 C the outdoor fan is in a cycle of 1 minute stop and 3 minute run There is a return difference of 2 C for the change between low speed and run and stop Once the fan operates in a mode it must operate for more than 45 seconds There is a temperature cut off protection when the indoor coil temperature higher than T CPS 68 C and maintains for 10 seconds both the compressor and outdoor fan stop The compressor will not restart in 3 minutes until the coil temperature lower than T CP R 50 C The indoor fan is controlled the same as the thermostat is OFF 5 2 2 Double unit cooling operation When the indoor unit gives out a double unit cooling signal outdoor compressor A starts cooling
74. propriate anti pollution method of disposal Disposal of the packaging of your new air conditioner All the packaging materials employed in the package of your new air conditioner may be disposed without any danger to the environment The cardboard box may be broken or cut into smaller pieces and given to a waste paper disposal service The wrapping bag made of polyethylene and the polyethylene foam pads contain no fluorochloric hydrocarbon All these valuable materials may be taken to a waste collecting center and used again after adequate recycling Consult your local authorities for the name and address of the waste materials collecting centers and waste paper disposal services nearest to your house 30 Haier H2SM 9 9 HEKOS R2 System Configration Safety Instructions and Warnings Before starting the air conditioner read the information given in the User s Guide caref ully The User s Guide contains very impor tant observations relating to the assembly operation and maintenance of the air conditioner The manufacturer does not accept respon sibility for any damages that may arise due to non observation of the following instruction Damaged air conditioners are not to be put into operation In case of doubt consult your supplier e Use of the air conditioner is to be carried out in strict compliance with the relative instructions set forth in the User s Guide e Installation shall be done by prof
75. r heating well and to know a clever method of using it In order to meet this expectation of the users giving sufficient explanations taking enough time can be said to reduce about 80 of the requests for servicing However good the installation work is and however good the functions are the customer may blame either the room air conditioner or its installation work because of improper handling The installation work and handing over of the unit can only be considered to have been completed when its handling has been explained to the user without using technical terms but giving full knowledge of the equipment 6 2 Instruction 29 Haier Domestic Air Conditioner Haier Cautions Disposal of the old air conditioner Before disposing an old air conditioner that goes out of use please make sure it s inop erative and safe Unplug the air conditioner in order to avoid the risk of child entrapment It must be noticed that air conditioner system contains refrigerants which require speciali zed waste disposal The valuable materials contained in an air conditioner can be recycled Contact your local waste disposal center for proper disposal of an old air conditioner and contact your local authority or your dealer if you have any question Please ensure that the pipework of your air conditioner does not get damagedprior to being picked up by the relevant waste disposal center and contribute to environmental awareness by insisting on an ap
76. r more than 45 seconds High temperature cut off protection When the coil temperature higher than T CPS 68 C and maintains for 10 seconds both the compressor and outdoor fan stop and the indoor fan operates as the thermostat is Off The compressor will not restart in 3 minutes until the coil temperature lower than T CP R 50 C When the outdoor single unit gives out the heat load signal the outdoor fan stops immediately 45 minutes later the heat load signal disappears and the outdoor fan operates In heating operation any of the current in the compressor is larger than or equal to 5 8A and the outdoor fan stops The current in the compressor is less than or equal to 5 3A and the outdoor fan restores the compressor does not detect current within 30 seconds after its start the current in the compressor is larger than 5 3A and less than 5 8A and the outdoor fan does not restore 5 2 8 Current peak protection The current in the compressor is larger than 10 After more than 5 seconds The compressor which has the highest current will stop the compressor does not detect current within 10 seconds after its start and 3 minutes later it will continue to operate The compressor will no longer operate if overcurrent protection occurs 4 times in a row within 30 minutes and the output transformer signal fails In the double unit operation if one of the compressors stops due to the current too high the other system is a single system 5 2 9 Si
77. real situation e The photocatalyst air purifying filter will be solarized in fixed time In normal family it will be solarized every 6 months e Please keep the bacteria killing medium air purifying filter in the cool and dry conditions avoid long time directly sunshine when you stop using it or its ability of sterilization will be reduced Haier 46 Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 System Configration Trouble shooting Before asking for service check the following first Phenomenon The system does not restart immediately Normal Performance inspection Cause or check points e When unit is stopped it won t restart immediately until 3 minutes have elapsed to protect the system When the electric plug is pulled out and reinserted the protection circuit will work for 3 minutes to protect the air conditioner During unit operation or at stop a swishing or gurgling noise may be heard At first 2 3 minutes after unit start this noise is more noticeable This noise is generated by refrigerant flowing in the system During unit operation a cracking noise may be heard This noise is generated by the casing expanding or shrinking because of temperature changes Should there be a big noise from air flow in unit operation air filter may be too dirty Smells are generated Mist or steam are blown out NN 2 In dry mode fan speed can t be changed This is because the sy
78. rity for further information Domestic Air Conditioner Haier H2SM 9 9 HEKOS R2 Cautions oafety Instruction e Please read the following Safety Instructions carefully prior to use e The instructions are classified into two levels WARNING and CAUTION according to the seriousness of possible risks and damages as follows Compliance to the instructions are strictly required for safety use Installation A WARNING System Configration Please call Sales Service Shop for the Installation Do not attempt to install the air conditioner by yourself because improper works may cause electric shock fire water leakage Installation in a inadequate place may cause accidents Do not install in the following place A CAUTION Connect the earth cable Haier Do not install in the place where there is any possibility of inflammable gas leakage around the unit PROHIBITION 32 Do not get the unit exposed to vapor or oil steam PROHIBITION Check proper installation of the drainage securely STRICT ENFORCEMENT Domestic Air Conditioner Haier Cautions H2SM 9 9 HEKOS R2 System Configration WARNING When abnormality such as burnt small found immediately stop the operation button and Use an exclusive power source with a circuit breaker contact sales shop Connect power supply cord to the outlet completely QD STRICT ENFORCEMENT Do not u
79. rom the buzzer on the panel 2 Memory content Running mode setting wind speed setting temperature sleep state flap state 12 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Funcitions and Control 3 Cancellation of function Pressing the SLEEP button on the remote Control unit for 10 times until hearing 2 sounds from the buzzer on the panel 5 1 7 Air refreshing Up reception of remote control signal negative ion generator will start operation to emit negative ion if fan is operating If fan stops negative ion generator is off When negative ion generator is off if air refreshing feature is set and fan restarts then negative ion generator is on 5 1 8 Timer Operation You can set 24 hour timer on or timer off as required and the minimum time unit is 1 minute After setting a pattern of clock displayed on the LED and it is off when timer setting is completed There are several timer mode as follows 1 Timer on The pattern of clock displaied on the LED the background light is off and unit behaves with halt status Timer on is completed and then unit starts running with the pattern of clock disappeared and the background light is on The unit starts with the last setting receiving timer signals and sleep setting is not allowed 2 Timer off Unit working the pattern of clock displaied on the LED When reaching time setting unit enters shutdown mode and sleep function can be set If timer off and sleep are set synchr
80. s the outdoor fan starts 50 seconds later the 4 way valve is engaged and 60 seconds later the compressor operates 5 2 10 Double unit defrosting operation After receiving the signal to stop the indoor unit during the defrosting period the unit must not be turned off until the outdoor defrosting lasts more than 2 minutes When the double units are activated for defrosting the activation of compressor B is 20 minutes later than that of compressor A Haier Domestic Air Conditioner Haier 2 9 9 2 Funcitions and Control Conditions for ending defrosting It will restore to the heating operation from the defrosting operation as long as any of the following conditions is met The temperatures on both outdoor heat exchangers are above 7 degrees for consecutive 80 seconds The temperatures on both outdoor heat exchangers are above 5 degrees for consecutive 12 seconds The defrosting operation has lasted 9 minutes The starting conditions and control process for the double unit are same as that for single unit defrosting the only difference is that the activation of compressor B lags that of compressor A 5 2 11 Alarming operation When the whole unit is in normal operation the alarm light is always on but does not flash When the outdoor temperature sensor short circuited or disconnected the outdoor fan always operates at the medium speed and will restore automatically after the sensor comes to normal When the temperatur
81. se power supply cord in a bundle Do not start or stop the operation by disconnecting the power supply cord and so on PROHIBITION STRICT ENFORCEMENT Use the proper voltage STRICT ENFORCEMENT Take care not to damage the power supply cord PROHIBITION WY ANS Do not channel the air flow directly at people especially at infants or the aged Do not use power supply cord extended or connected in halfway PROHIBITION Do not insert objects into the air inlet or outlet 45 PROHIBITION Do not try to repair or reconstruct by yourself Do not use for the purpose of storage of food art work precise equipment breeding or cultivation AZ E 9 Do not install the unit near a fireplace or other heating apparatus PROHIBITION Do not place animals or plants in the direct path of the air flow PROHIBITION Haier STRICT ENFORCEMENT Check good condition of the installation stand PROHIBITION Do not place any objects on or climb on the unit PROHIBITION 33 PROHIBITION Do not pour water onto the unit for cleaning 4 5 PROHIBITION Do not place flower vase or water containers on the top of the unit PROHIBITION Domestic Air Conditioner Haier 25 9 9 2 System Configration Parts and Functions Indoor Unit Outlet Air filter inside Power plug Inl
82. stem circulates smells from the interior air such as the smell of furniture paint cigarettes During COOL or DRY operation indoor unit may blow out mist This is due to the sudden cooling of indoor air In DRY mode when room temperature becom es lower than temp setting 2 C unit will run intermittently at LOW speed regardless of FAN setting Multiple Is power plug inserted Is there a power failure Is fuse blownout Is the air filter dirty Normally it should be cleaned every 15 days Are there any obstacles before inlet and outlet Is temperature set correctly Are there some doors or windows left open Is there any direct sunlight through the window during the cooling operation Use curtain Are there too much heat sources or too many people in the room during cooling operation Application temp range of air conditioner 7C 43 C Haier 47 Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Service 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 malfunctions disabling equipment operation 2 When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages 7 2 Problem Symptoms and Measures Symptom Check Item Details of Measure N
83. t If the refrigerant gas discharges during the repair work do not touch the discharging refrigerant gas The refrigerant gas can cause frostbite When disconnecting the suction or discharge pipe of the compressor at the welded section release the refrigerant gas completely at a well ventilated place first If there is a gas remaining inside the compressor the refrigerant gas or refrigerating machine oil discharges when the pipe is disconnected and it can cause injury If the refrigerant gas leaks during the repair work ventilate the area The refrigerant gas can generate toxic gases when it contacts flames The step up capacitor supplies high voltage electricity to the electrical components of the outdoor unit Be sure to discharge the capacitor completely before conducting repair work A charged capacitor can cause an electrical shock Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug Plugging or unplugging the power cable plug to operate the equipment can cause an electrical shock or fire Haier Domestic Air Conditioner Haier 25 9 9 2 Introduction 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 provide the grounding when repairing the equipment in a humid or
84. t gives out a heating signal at the same time the outdoor fan operates at the low speed When the indoor unit gives the value of coil temperature the outdoor fan runs at the low speed if the heating outdoor unit judges high load When outdoor ambient temperature T1228 C there is no heating operation When outdoor ambient temperature 1 lt 7 there is no cooling operation Once a compressor starts the other compressor will not start in 20 seconds from the start 5 2 6 Single unit heating operation with heat load In the single unit heating operation the indoor unit gives out the value of the coil temperature and the outdoor unit judges whether to start in the high load protection operation based on the value of the coil temperature it has received If the conditions for high load protection are met the outdoor fan stops 15 Haier Domestic Air Conditioner Haier H2SM 9 9 HEK03 R2 Funcitions and Control immediately It will restart 45 seconds later if the signal for the outdoor heat load disappears Otherwise the outdoor fan will continue to stop until the signal for the outdoor heat load disappears The signal for heat load is as follows High temperature protection When the indoor coil temperature higher than T_OFS 56 C the outdoor fan stops when the coil temperature falls to T OFR 52 C the outdoor fan restarts The outdoor fan stops for more than 45 seconds High temperature cut off protection When the coil temperature h
85. t is started for the first time and after replacing batteries in remote controller clock should be adjusted as follows Press CLOCK button AM or PM flashes PressA orV to set correct time Each press will increase or decrease 1min If the button is kept depressed time will change quickly After time setting is confirmed press SET AM and stop flashing while clock starts working NOTE Cooling only unit do not have displays and functions related with heating Hints After replacing with new batteries remote controller will conduct self check displaying all information on LCD Then it will become normal Haier Domestic Air Conditioner Haier 25 9 9 2 System Configration Remote controller s operation When in use put the signal transmission head directly to the receiver hole on the indoor unit The distance between the signal transmission head and the receiver hole should be within 7m without any obstacle as well Don t throw the controller prevent it from being damaged When electronic started type fluorescent lamp or change over type fluorescent lamp or wireless telephone is installed in the room the receiver is apt to be disturbed in receivering the signals so the distance to the indoor unit should be shorter Loading of the battery Load the batteries as illustrated 2 R 03 batteries resetting key cylinder Remove the battery cover Slightly press
86. the product securely in the installation frame mounted on a window frame For integral If the unit is not securely mounted it can fall and cause injury units only Haier Domestic Air Conditioner Haier 25 9 9 2 Introduction 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 power circuit capacity and improper electrical work can cause an electrical shock or fire Be sure to use the specified cable to connect between the indoor and outdoor units Make the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals Improper connections can cause excessive heat generation or fire When connecting the cable between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the terminal connection section can cause an electrical shock excessive heat generation or fire Do not damage or modify the power cable Damaged or modified power cable can cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable can damage the cable Do not mix air or gas other than the specified refrigerant R 410A R22 in the refriger
87. utta Loosen the fixing screw and remove the fan ailer Step 9 2 3 Romoval of Fan H 1 Domestic Air Conditioner 79 Haier Removal Procedure 25 N 2 Domestic Air Conditioner 25 9 9 2 Haier Procedure 250 50 AA RO RO SO S900 7 0 0 i 9 2 4 Romoval of fan motor fan motor bracket and partition Remove the fixing screws then remove the fan motor N 2 80 Haier Removal Procedure 25 9 9 2 Haier SY Ne SN S es zu J 2 fos ud c Y jj 9 R Z 5 Procedure Eee Loosen the fixing screws and lift the fan motor bracket Domestic Air Conditioner 81 Haier Haier H2SM 9 9 HEK03 R2 Removal Procedure Procedure q The partition plate has a hook on the lower side Lift and E When assembing fit the lower hook into the bottom frame pull the partition plate to r
88. y is high condensate water might occur at air outlet if all vertical louvers are adjusted to left or right It is advisable not to keep horizontal flap at downward position for a long time in COOLor DRY mode otherwise condensate water might occur Hints As cold air flows downward in COOL mode adjusting air flow horizontally will be much more helpful for a better air circulation As warm air flows upward in HEAT mode adjusting air flow oblique downwards will be much more helpful for a better air circulation 42 Haier Domestic Air Conditioner Haier Operation Comfortable SLEEP Operation Before going to bed you can simply press the SLEEP button and unit will operate in SLEEP mode and bring you a sound sleep Use of SLEEP function After the unit starts set the operation status then press SLEEP button before which the clock must be adjusted and time being set Operation Mode e In COOL DRY mode 1 hours after SLEEP mode starts temp will become 1 C higher than temp setting After another 1 hours temp rises by 1 C further The unit will run for further 6 hours then stops Temp is higher than temp setting so that room temperature won t be too low for your sleep SLEEP operation starts SLEEP operation stops Approx 6hrs Temp setting Unit stop In COOL DRY mode e HEAT mode 1 hours after SLEEP mode starts temp will become

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