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1. ae Sl ls KE e Le ELIS Ko R WR 36 e lem CN11 Kessel ge tii eme Ei az Bl4 emg EIS w C GE EL on EIB O KAL Q CN15 CN16 E DCS GHG GN PCB 1 CN25 CN28 CN24 CN23 12 Domestic air conditioner H 2HUM18HC03 R2 DB SM Connector wiring diagram peuar 6209 8200 009 yoo 6004 9004 g C an C UI CU Sn Te CES E dt Spee oe S Ue SS a Wa Age H DoW PIO d Ba CR LL EH rz SS S 8 TH 60 3003 fol Sr g G L SEKR Lp hu Mg Ji me NTL LI SL ozou _ 7 ZS UUL C Jaz C Daf C Jef Che 8 S 8 305 So D So 2 SG Le S S S oC 7 am 7 S PE g aj LP R2 D202 RZ D201 R230 S oes 200600375 9 we C3 C3 5 ke F e C PCB 2 D S Haier Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 5 Funcitions and Control 5 1 Main functions and control specification of indoor unit 5 1 1 Automatic operation When the system is under the automatic operation option the appropriate operation mode will be decided according to the differences between the preset temperature and the indoor temperature after the system start
2. 21 12 2280 11 8126 11 4011 0 83 0 83 22 11 7102 11 3267 10 9459 0 81 0 80 23 11 2172 10 8634 10 5114 0 78 0 78 24 10 7475 10 4216 10 0964 0 75 0 75 25 10 3000 10 0000 9 7000 0 75 0 75 26 9 8975 9 5974 9 2980 0 76 0 76 27 9 5129 9 2132 8 9148 0 80 0 80 28 9 1454 8 8465 8 5496 0 84 0 83 29 8 7942 8 4964 8 2013 0 87 0 86 30 8 4583 8 1621 7 8691 0 91 0 90 31 8 1371 7 8428 7 5522 0 95 0 93 32 7 8299 7 5377 7 2498 0 98 0 97 33 7 5359 7 2461 6 9611 1 02 1 00 34 7 2546 6 9673 6 6854 1 06 1 04 35 6 9852 6 7008 6 4222 1 10 1 07 36 6 7273 6 4459 6 1707 1 13 1 11 37 6 4803 6 2021 5 9304 1 17 1 14 38 6 2437 5 9687 5 7007 1 21 1 18 39 6 0170 5 7454 5 4812 1 25 1 22 40 5 7997 5 5316 5 2712 1 29 1 25 41 5 5914 5 3269 5 0704 1 33 1 29 33 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 42 5 3916 5 1308 4 8783 1 37 1 33 43 5 2001 4 9430 4 6944 1 41 1 36 44 5 0163 4 7630 4 5185 1 45 1 40 45 4 8400 4 5905 4 3500 1 49 1 44 46 4 6708 4 4252 4 1887 1 53 1 47 47 4 5083 4 2666 4 0342 1 57 1 51 48 4 3524 4 1145 3 8862 1 61 1 55 49 4 2026 3 9686 3 7443 1 65 1 59 50 4 0588 3 8287 3 6084 1 70 1 62 51 3 9206 3 6943 3 4780 1 74 1 66 52 3 7878 3 5654 3 3531 1 78 1 70 53 3 6601 3 4416 3 2332 1 82 1 74 54 3 5374 3 3227 3 1183 1 87 1 78 55 3 4195
3. 100 26 1569 24 8685 23 6222 1 57 1 52 101 25 3290 24 0574 22 8291 1 61 1 55 102 24 5311 23 2765 22 0662 1 65 1 59 103 23 7620 22 5245 21 3323 1 69 1 63 104 23 0205 21 8002 20 6261 1 73 1 66 105 22 3055 21 1025 19 9465 1 77 1 70 106 21 6159 20 4303 19 2924 1 81 1 74 107 20 9508 19 7825 18 6626 1 85 1 77 108 20 3091 19 1582 18 0563 1 89 1 81 109 19 6899 18 5564 17 4723 1 93 1 85 110 19 0924 17 9761 16 9098 1 98 1 89 38 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 111 18 5157 17 4166 16 3680 2 02 1 93 112 17 9590 16 8769 15 8458 2 06 1 96 113 17 4214 16 3564 15 3427 2 10 2 00 114 16 9023 15 8542 14 8577 2 15 2 04 115 16 4010 15 3696 14 3902 2 19 2 08 116 15 9167 14 9020 13 9394 2 23 2 12 117 15 4489 14 4506 13 5047 2 27 2 16 118 14 9968 14 0149 13 0855 2 32 2 19 119 14 5599 13 5942 12 6811 2 36 2 23 120 14 1376 13 1879 12 2909 2 41 2 27 121 13 7294 12 7955 11 9144 2 45 2 31 122 13 3347 12 4165 11 5510 2 50 2 35 123 12 9531 12 0503 11 2003 2 54 2 39 124 12 5840 11 6965 10 8617 2 58 2 43 125 12 2270 11 3545 10 5348 2 63 2 47 126 11 8817 11 0240 10 2191 2 68 2 51 127 11 5475 10 7046 9 9142 2 72 2 55 128 11 2242 10 3957 9 6197 2 77 2 59 129 10 9112 10 0970 9 3352 2 81 2 63 130 10 6084 9 8082 9 0602 2 86 2 67 131 10 3151 9 5288 8 7945 2 91 2 71 132 10 0312 9 2586 8
4. 2 5 7 5 2 5 8 OC Stop When Tpg_indoor ice_temp_1 C the frequency of the compressor decreases at the speed of 1HZ 1second When Tpg_indoor lt ice_temp_2 C the frequency of the compressor decreases at the speed of 1HZ 10seconds When Tpg_indoor begins to rise again and ice_temp_2 Tpg_indoor ice_temp_3 C the frequency of thecompressor doesn t change When ice_temp_3 Tpg_indoor ice_temp_3 3 C the frequency of the compressor increases at the speed of 1HZ 10seconds For example Tpg_indoor lt 0 C last for 2 minutes and then the outdoor unit will stop and report underload malfunction but don t send malfunction report to the indoor The compressor stops for more than 3 minutes Tpg_indoor gt ice_temp_3 2 C the compressor recovers The frequency limitation of modification rate In the field which is controlled by high frequency if the modification rate is not high enough the control driven chip will enter into weak magnetic control this will help to relieve the problem of modification rate If during the course of weak magnetic control the modification rate is still not high enough enter into the control of decreasing frequency until the alarm of modification rate is relieved Temperature protection of the outdoor refrigerating coil When the defrosting temperature and the sensor s temperature are higher than 65 C the frequency of the compressor decreases 1hz 10seconds Keep the frequency until it d
5. 25 10365 4565 8622 8491 7166 7474 2 90 2 42 35 aler Domestic air conditioner 2HUM18HC03 R2 DB SM Wiring diagrams 24 9687 0270 8074 3787 6724 1389 2 88 2 41 23 9057 2314 7564 2244 6311 6413 2 87 2 41 22 8472 2852 7089 4741 5927 0206 2 86 2 40 21 7928 7217 6647 4547 5568 2222 2 84 2 39 20 7423 3626 6235 7109 5233 3554 2 83 2 39 19 6953 2930 5851 9864 4920 6791 2 82 2 38 18 6515 8375 5494 2064 4628 5894 2 80 2 37 17 6108 5393 5160 4621 4355 6078 2 79 2 37 16 5729 1413 4848 9963 4100 3708 2 77 2 36 15 5375 5683 4558 1906 3861 6201 2 76 2 35 14 5045 9114 4286 5535 3638 1938 2 75 2 34 13 4738 4141 4032 7098 3429 0191 2 73 2 34 12 4451 4586 3795 3910 3233 1039 2 72 2 33 11 4183 5548 3573 4260 3049 5312 2 70 2 32 10 3933 3289 3365 7336 2877 4527 2 69 2 31 9 3699 5139 3171 3148 2716 0828 2 67 2 30 8 3480 9407 2989 2460 2564 6945 2 66 2 29 7 3276 5302 2818 6731 2422 6139 2 64 2 28 6 3085 2854 2658 8058 2289 2164 2 63 2 28 5 2906 2851 2508 9126 2163 9230 2 61 2 21 4 2738 6777 2368 3158 2046 1961 2 60 2 26 3 2581 6752 2236 3876 1935 5371 2 58 2 25 2 2434 5487 2112 5459 1831 4826 2 56 2 24 1 2296 6230 1996 2509 1733 6024 2 55 2 23 0 2167 2730 1887 0018 1641 4966 2 53 2 22 1 2045 9191 1784 3336 1554 7931 2 52 2 21 2 1932 0242 1687 8144 147
6. 3 minutes to protect the air conditioner Noise is heard Smells are generated Mist or steam are blown out v In dry mode fan speed can t be changed e 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 e During unit operation a cracking noise may be heard This noise is generated by the casing expanding or shrinking because of temperature changes e Should there be a big noise from air flow in unit operation air filter may be too dirty This is because the system circulates smells from the interior air such as the smell of furniture paint cigarettes e During COOL or DRY operation indoor unit may blow out mist This is due to the sudden cooling of indoor air e In DRY mode when room temperature becomes lower than temp setting 2 C unit will run intermittently at LOW speed regardless of FAN setting e Is power plug inserted e Is there a power failure Is fuse blownout ele the air filter dirty Normally it should be cleaned every 15 days e Are there any obstacles before inlet and outlet Is temperature set correctly e Are there some doors or windows left open e Is there any direct sunlight through the window during the cooling operation Use curtain S Are there too much heat sources or too many peopl
7. 360 2050 1570 440 2075 1590 385 2065 1570 490 2125 Power Factor 90 90 90 90 COP Rated Min Max WAN 3 21 3 63 3 21 3 63 Liquid mm o 6 35 6 35 Piping Connections ele 2222 EE Drain mm 16 0 16 0 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Max Interunit Piping Length m 30 double 20 single 30 double 20 single Max Interunit Height Difference m 15 15 Chargeless 20 20 Amount of Additional Charge of din 20 20 Refrigerant Indoor Unit Front Panel Color White White 7 5 8 0 7K 9K 8 3 8 8 12K Air Flow Rate m min cfm GE EE L 5 7 6 4 7K 9K 6 1 6 6 12K SL S Type Cross Flow Fan Cross Flow Fan Fan Motor Output Ww 16 16 Speed Steps 4 Steps Silent Auto 4Steps Silent Auto Air Direction Control Right Left Horizontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 15 0 15 0 15 0 15 Power Consumption Rated Ww 33 33 33 33 Power Factor 96 96 96 96 Temperature Control Microcomputer Control Microcomputer Control Dimensions HxWxD mm 265x795x186 265x795x186 Packaged Dimensions HxWxD mm 360X871X304 360X871X304 Weight kg 8 8 8 8 Gross Weight kg 11 3 11 3 OperationSound H M L dBA 36 30 27 7K 9K 37 30 28 12K Sound Power H dBA 46 47 7 aler Domestic Air Conditioner Haier 2HUM18HC03 R2 DB SM Specifications
8. 4 26 5605 25 0851 23 6704 1 25 1 20 5 25 3193 23 9462 22 6273 1 23 1 18 6 24 1432 22 8656 21 6361 1 20 1 16 7 23 0284 21 8398 20 6939 1 18 1 14 8 21 9714 20 8659 19 7982 1 15 1 12 9 20 9688 19 9409 18 9463 1 13 1 09 10 20 0176 19 0621 18 1358 1 11 1 07 11 19 1149 18 2270 17 3646 1 08 1 05 12 18 2580 17 4331 16 6305 1 06 1 03 13 17 4442 16 6782 15 9315 1 03 1 01 14 16 6711 15 9601 15 2657 1 01 0 99 15 15 9366 15 2770 14 6315 0 98 0 96 16 15 2385 14 6268 14 0271 0 96 0 94 17 14 5748 14 0079 13 4510 0 93 0 92 29 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 18 13 9436 13 4185 12 9017 0 91 0 90 19 13 3431 12 8572 12 3778 0 88 0 87 20 12 7718 12 3223 11 8780 0 86 0 85 21 12 2280 11 8126 11 4011 0 83 0 83 22 11 7102 11 3267 10 9459 0 81 0 80 23 11 2172 10 8634 10 5114 0 78 0 78 24 10 7475 10 4216 10 0964 0 75 0 75 25 10 3000 10 0000 9 7000 0 75 0 75 26 9 8975 9 5974 9 2980 0 76 0 76 27 9 5129 9 2132 8 9148 0 80 0 80 28 9 1454 8 8465 8 5496 0 84 0 83 29 8 7942 8 4964 8 2013 0 87 0 86 30 8 4583 8 1621 7 8691 0 91 0 90 31 8 1371 7 8428 7 5522 0 95 0 93 32 7 8299 7 5377 7 2498 0 98 0 97 33 7 5359 7 2461 6 9611 1 02 1 00 34 7 2546 6 9673 6 6854 1 06 1 04 35 6 9852 6 7008 6 4222 1 10 1 07 36 6 7273 6 4459 6 1707 1 13 1 11 37
9. 47 C Fgh_t5 Normal N Decreasing at the speed of 1HZ 1 second P Decreasing at the speed of 1Hz 10 seconds Q Continue to keep the last time instruction cycle R Increasing at the speed of 1Hz 10seconds Remarks the outdoor unit 5 2 5 3 The control of preventing the overcurrent of the compressor During the starting process of the compressor if the curren of the compressor is greater than 17A for 3 seconds stop the compressor and alarm after 3 minutes start it again if such state appears 3 times in 20 minutes stop the compressor and alarm and confirm the malfunction Then continue to run it only after the the power is off During the starting process of the compressor if the AC current is greater than 12A the frequency of the compressor decreases at the speed of 1HZ second During the starting process of the compressor if the AC current is greater than 10A the frequency of the compressor decreases at the speed of 0 1HZ second During the starting process of the compressor if the AC current is greater than 9A the frequency of the compressor increases at the prohibited speed During the starting process of the compressor if the AC current is greater than 8A the frequency of the compressor increases at the speed of no faster than 0 1HZ second 5 2 5 4 The protection function of AC current During the starting process of the compressor if the AC current is greater than 15A the frequency of the compressor decreases at
10. 6 4803 6 2021 5 9304 1 17 1 14 38 6 2437 5 9687 5 7007 1 21 1 18 39 6 0170 5 7454 5 4812 1 25 1 22 40 5 7997 5 5316 5 2712 1 29 1 25 41 5 5914 5 3269 5 0704 1 33 1 29 42 5 3916 5 1308 4 8783 1 37 1 33 43 5 2001 4 9430 4 6944 1 41 1 36 44 5 0163 4 7630 4 5185 1 45 1 40 45 4 8400 4 5905 4 3500 1 49 1 44 46 4 6708 4 4252 4 1887 1 53 1 47 47 4 5083 4 2666 4 0342 1 57 1 51 48 4 3524 4 1145 3 8862 1 61 1 55 49 4 2026 3 9686 3 7443 1 65 1 59 50 4 0588 3 8287 3 6084 1 70 1 62 51 3 9206 3 6943 3 4780 1 74 1 66 52 3 7878 3 5654 3 3531 1 78 1 70 53 3 6601 3 4416 3 2332 1 82 1 74 54 3 5374 3 3227 3 1183 1 87 1 78 55 3 4195 3 2085 3 0079 1 91 1 82 56 3 3060 3 0989 2 9021 1 95 1 85 57 3 1969 2 9935 2 8005 2 00 1 89 58 3 0919 2 8922 2 7029 2 04 1 93 59 2 9909 2 7948 2 6092 2 08 1 97 60 2 8936 2 7012 2 5193 2 13 2 01 61 2 8000 2 6112 2 4328 2 17 2 05 62 2 7099 2 5246 2 3498 2 22 2 09 30 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 63 2 6232 2 4413 2 2700 2 26 2 13 64 2 5396 2 3611 2 1932 2 31 2 17 65 2 4591 2 2840 2 1195 2 36 2 21 66 2 3815 2 2098 2 0486 2 40 2 25 67 2 3068 2 1383 1 9803 2 45 2 29 68 2 2347 2 0695 1 9147 2 49 2 34 69 2 1652 2 0032 1 8516 2 54 2 38 70 2 0983 1 9393 1 7908 2 59 2 42 71 2 0337 1 8778 1 7324 2 6
11. Outdoor Unit Casing Color White White Type rotary Compressor rotary Compressor Compressor Model SNB130FGYM2 SNB130FGYM2 Motor Output Ww 900 900 Ringan Model FV50S FV50S Charge L 0 5 0 5 Model R410a R410a Refrigerant Charge kg 1 4 1 4 Air Flow Rate m min 35 35 35 35 H L cfm 1236 1236 1236 1236 Type Propeller Propeller Fan Motor Output W 40 40 Running Current Rated A 7 6 7 7 7 6 7 6 Power Consumption Rated W 1575 1570 1590 1570 Power Factor 90 90 90 90 Starting Current A 8 8 Dimensions HxWxD mm 688x810x288 688x810x288 Packaged Dimensions HxWxD mm 745X949X406 745X949X406 Weight kg 43 5 43 5 Gross Weight kg 46 5 46 5 OperationSound H L dBA 51 51 51 51 Sound Power H dBA 61 61 61 61 Note The data are based on the conditions shown in the table below Conversion Formulae Cooling Heating Piping Length SEET Indoor 27 CDB 19 CWB Indoor 20 CDB ndoor ndoor e m Btu h kW x3414 Outdoor 35 CDB 24 CWB Outdoor 7 CDB 6 CWB cfm m minx35 3 Haier i eststs s sC Domeste Air Conditioner 2HUM18HC03 R2 DB SM Connector wiring diagram 4 Printed Circuit Board Connector Wiring Diagram 4 1 Indoor unit Connectors Connectors PCB 1 1 2 CN1 Connector for heat exchanger thermistor and Room temperature thermistor 3 CN11 Connector for UP amp DOWN STEP motor 4 CN26 Connector for fan motor CON2 Connector for pow
12. Sensor detection methods 100 times one cycle of procedure run is one time and about 5ms detection method for each time continuously sampling for 8 times then order them and take the mean value of the middle 2 values take the mean value Abnormal stop Decreasing the frequency rapidly 1HZ second Decreasing the frequency slowly 1HZ 10seconds The frequency doesn t change Increasing the frequency 1HZ 10second Increasing the frequency 1HZ 1second TTC gt 110 C lasts for 20 seconds Overheating protection of air blowing alarm malfunction to the indoor others don t last TC high temperature preventing control of the indoor heating unit Tpg_indoor is the highest value of the effective indoor unit start it and it is in accord with the running state The indoor heat exchanger sensor tests the temperature of the indoor heat exchanger If the temperature is higher than 55 C decrease the rotate speed of the compressor and do the high temperature preventing protection of the indoor heat exchanger if the temperature of the indoor heat exchanger is lower than 47 C recover to the normal control 25 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams The compressor stops Fgh_t1 65 C N Decreasing the frequency rapidly Fgh_t2 P Decreasing the frequency slowly Fgh_t3 55 C Fgh_t3 Q Prohibiting increasing the frequency Fgh_t4 51 C Fgh_t4 R Increasing slowly Fgh t5
13. flow directly Do not try to repair or Connect the earth operation by disconnecting at people especially at infants or the power supply cord er Aa and so on aN oS PROHIBITION A CAUTION Do not use for the purpose of storage of Take fresh air occasionally especially Do not operate the switch with food art work precise equipment when gas appliance is running at the wet hand breeding or cultivation same time Nef 2 os dl STRICT EP PROHIBITION ENFORCEMENT PROHIBITION Do not install the unit near a fireplace Check good condition of the Do not pour water onto the unit or other heating apparatus installation stand for cleaning EE PROHIBITION PROHIBITION Se PROHIBITION Do not place animals or plants in Do not place any objects on or Do not place flower vase or water the direct path of the air flow climb on the unit containers on the top of the unit ag PROHIBITION SN PROHIBITION PROHIBITION 46 Haier Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Trouble shooting Before asking for service check the following first e Phenomenon Cause or check points The system e When unit is stopped it won t restart does not restart immediately until 3 minutes have immediately elapsed to protect the system Normal Performance inspection Multiple check e When the electric plug is pulled out and reinserted the protection circuit will work for
14. opening size of the valve must be guaranteed to have entered into the standard opening size and then the compressor can be started When refrigeration is in vain the machine is shut down or is in the state of retrograde operation the opening size of the expansion valve of the indoor unit is 5 steps When heating is in vain the opening size of the expansion valve of the indoor unit is 55 steps 24 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 5 2 4 When the outdoor unit is shut down the valve is opened completely for 2 minutes and then begin initialization The scope of refrigerationg valve 90 480 steps The scope of heating valve 80 480 steps The valves are adjusted according to the degree of superheat SHa SHa Four way control For the details of defrosting four way valve control see the defrosting process Four way working in other ways Under the mode of heating open the four way valve when the compressor is not started or changed to non heating mode make sure the compressor is stoped for 2 minutes and then close the four way valve 5 2 5 Protection function 5 2 5 1 5 2 5 2 TTC high temperature preventing protection Once the machine is started it can run TTC overheating protection of air blowing but air blowing sensor malfunction must alarm after 4 minutes during which the compressor is started during the course of self detection there s no such limitation
15. pulling the power cable can damage the cable Do not mix air or gas other than the specified refrigerant R 410A R22 in the refrigerant 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 Haier Domestic Air Conditioner Haier i 2HUM18HC03 R2 DB SM Introduction Caution 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 i l l l l For Be sure to install the packi
16. stopped and the malfunction will be recorded in the malfunction list The indoor system will continue to run When the temperature of the indoor coil is raised to 7 C the compressor will be restarted again the prerequirement of 3 minutes delay should be satisfied timing system on off function Dormant control function Demoisture mode temperature control range 16 30 C temperature difference 1 C Control feature send the demoisture signal to the outdoor system When Tr gt Ts 2 C the compressor will be turned on the indoor fan will operate at the set speed When Tr is between the Ts and Ts 2 C the outdoor system will operate at the high demoisture frequency for 10 minutes and then at the low demoisture mode for six minutes The indoor fan will operate at low speed When Tr lt Ts the outsystem will be stopped the indoor fan will be stopped for 3 minutes and then turned to the low speed option All the frequency converses have a 1 C difference Wind speed control Automatic When Tr gt Ts 5 C high speed When Ts 3 C lt Tr lt Ts 5 C medium speed When Ts 2 C lt Tr lt Ts 3 C low speed When Tr lt Ts 2 C light speed If the outdoor fan stopped the indoor fan will be paused for 3 minutes If the outdoor fan stopped for more than 3 minutes and the outdoor system still operates the system will be changed into light speed mode When the airflow speed has no delay from the high to low switching the sp
17. the speed of 1HZ second During the starting process of the compressor if the AC current is greater than 13A the frequency of the compressor decreases at the speed of 0 1HZ second During the starting process of the compressor if the AC current is greater than 11A the frequency of the compressor increases at the prohibited speed During the starting process of the compressor if the AC current is greater than 10A the frequency of the compressor increases at the speed of no faster than 0 1HZ second Remarks when the outdoor temperature is high there s compensation for AC current protection 1 When the outdoor environment temperature is higher than 40 C AC current protection value decreases by 10AD 2 When the outdoor environment temperature is higher than 46 C AC current protection value decreases by 15AD 26 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 5 2 5 5 ce_temp_3 3 ice_temp_2 DC 3 When the outdoor environment temperature is higher than 50 C AC current protection value decreases by 20AD Antifreezing protection of the indoor heat exchanger When refrigerating heating prevent freezing Tpg_indoor X is the minimum value of the effective indoor unit start it and it is in accord with the running state 11 C lice_temp_3 5 OC Increasing slowly 8 C ice_temp_3 2 Keeping the frequency ice_temp_3 DC DC ecreasing slowly ice_temp_1 3 C ecreasing rapidly ice_temp_1 5 2 5 6 5
18. to communication fault Conditions Supposed m The outdoor PCB is broken Causes m The IPM module is broken BH Communication wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred 56 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 1 Check whether Terminal CN23 and CN24 on the outdoor mainboard CN10 and CN11 on IPM module 2 Check whether the connected wire between IPM and outdoor 1 Pull out and reinsert the terminals Are they good 2 Replace connected wire Malfunction unsolved Electrify the machine again and turn it on Check whether the voltage between 1 and 2 of Terminal CN23 is about Replace the outdoor IPM module DC5V Check whether the voltage with a new one between2 and 3 of Terminal CN23 is about DC15V Replace the outdoor mainboard with a new one 7 3 8 Power Supply Over or under voltagve fault outdoor display LED flash 6times The power supply is over voltage Method of An abnormal voltage rise or fall is detected by checking the specified voltage detection circuit Malfunction Detection Malfunction An voltage signal is fed from the voltage detection circuit to the microcomputer Decision Conditions Supposed Supply voltage not as specified Causes m the IPM module is broken the outdoor PCB is broken Haier S Domestic air conditioner Haier
19. will send the residue heat at a low speed for 12 seconds If other conditions are satisified when the compressor stops the indoor system will operate at a light speed The indoor fan will stop when the coil temperature is below the heat start temp 4 Defrosting When the system receives the defrosting signal from outdoors the indoor fan will stop and the indoor temperature display Wont change At the time any indoor coil malfunctions will be neglected When the outdoor defrosting finishes the coil malfunction will still be neglected 16 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 5 1 7 until the compressor has been started up for 30 seconds The indoor temperature display will not change and the system operates at the cold air proof mode Automatic heating temperature compensation when the system enters the heating mode the temperature compensation 4 will be added When the status is switched off the compensation will be erased strength operation a the system enters the mode after receiving the strength signal Send strength operation signal to the outdoor system The mode change finishes the strength operation Entering mute you can have normal operation or signal control such as timing to finish the strength operation When the system is at the automatic option with the strength mute function if the system enters the cooling mode the cooling strength mute function w
20. 0 5478 4 63 4 16 110 0 6700 0 5977 0 5328 4 69 4 21 111 0 6528 0 5820 0 5183 4 74 4 26 112 0 6361 0 5667 0 5043 4 80 4 31 113 0 6200 0 5518 0 4907 4 86 4 36 114 0 6043 0 5374 0 4775 4 92 4 41 115 0 5891 0 5235 0 4648 4 98 4 45 116 0 5743 0 5100 0 4524 5 04 4 50 117 0 5600 0 4968 0 4404 5 10 4 55 118 0 5460 0 4841 0 4288 5 16 4 60 119 0 5325 0 4717 0 4175 5 22 4 65 120 0 5194 0 4597 0 4066 5 28 4 70 5 3 2 Outdoor Unit R25 C 10K 2 3 Ambient Sensor Defrosting Sensor Pipe sensor B25 C 50 C 3700K 3 Temp C Max KQ Normal KQ Min KQ Tolerance C 30 165 2170 147 9497 132 3678 1 94 1 75 29 155 5754 139 5600 125 0806 1 93 1 74 28 146 5609 131 7022 118 2434 1 91 1 73 27 138 1285 124 3392 111 8256 1 89 1 71 26 130 2371 117 4366 105 7989 1 87 1 70 25 122 8484 110 9627 100 1367 1 85 1 69 24 115 9272 104 8882 94 8149 1 83 1 67 23 109 4410 99 1858 89 8106 1 81 1 66 22 103 3598 93 8305 85 1031 1 80 1 64 21 97 6556 88 7989 80 6728 1 78 1 63 20 92 3028 84 0695 76 5017 1 76 1 62 19 87 2775 79 6222 72 5729 1 74 1 60 18 82 5577 75 4384 68 8710 1 72 1 59 17 78 1230 71 5010 65 3815 1 70 1 57 16 73 9543 67 7939 62 0907 1 68 1 55 15 70 0342 64 3023 58 9863 1 66 1 54 14 66 3463 61 0123 56 0565 1 64 1 52 13 62 8755 57 9110 53 2905 1 62 1 51 12 59 6076 54 9866 50 6781 1
21. 118 2434 1 91 1 73 28 aler Domestic air conditioner 2HUM18HC03 R2 DB SM Wiring diagrams 27 138 1285 124 3392 111 8256 1 89 rel 26 130 2371 117 4366 105 7989 1 87 1 70 25 122 8484 110 9627 100 1367 1 85 1 69 24 115 9272 104 8882 94 8149 1 83 1 67 23 109 4410 99 1858 89 8106 1 81 1 66 22 103 3598 93 8305 85 1031 1 80 1 64 21 97 6556 88 7989 80 6728 1 78 1 63 20 92 3028 84 0695 76 5017 1 76 1 62 19 87 2775 79 6222 72 5729 1 74 1 60 18 82 5577 75 4384 68 8710 1 72 1 59 17 78 1230 71 5010 65 3815 1 70 1 57 16 73 9543 67 7939 62 0907 1 68 1 55 15 70 0342 64 3023 58 9863 1 66 1 54 14 66 3463 61 0123 56 0565 1 64 1 52 13 62 8755 57 9110 53 2905 1 62 1 51 12 59 6076 54 9866 50 6781 1 60 1 49 11 56 5296 52 2278 48 2099 1 58 1 47 10 53 6294 49 6244 45 8771 1 56 1 46 9 50 8956 47 1666 43 6714 1 54 1 44 8 48 3178 44 8454 41 5851 1 51 1 42 7 45 8860 42 6525 39 6112 1 49 1 40 6 43 5912 40 5800 37 7429 1 47 1 39 5 41 4249 38 6207 35 9739 1 45 1 37 4 39 3792 36 7676 34 2983 1 43 1 35 3 37 4465 35 0144 32 7108 1 41 1 33 2 35 6202 33 3552 31 2062 1 38 1 31 1 33 8936 31 7844 29 7796 1 36 1 29 0 32 2608 30 2968 28 4267 1 34 1 28 1 30 7162 28 8875 27 1431 1 32 1 26 2 29 2545 27 5519 25 9250 1 29 1 24 3 27 8708 26 2858 24 7686 1 27 1 22
22. 2HUM18HC03 R2 DB SM Wiring diagrams Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Electrify the machine again and turn it on with the remote controller Check whether the compressor is started normally Maybe there is some disturbance Test the outdoor power supply Change the IPM module 310VDC with a multimeter check whether the power is gt 150 V or lt 390V Change the IPM module NO This question may be caused by the power Repair the power supply 7 3 9 Overheat Protection For Exhaust Temperature outdoor display LEID flash 8 times Method of The exhaust temperature control is checked with the temperature being detected Malfunction by the exhaust pipe thermistor Detection Malfunction when the compressor discharge temperature is above 110 C Decision Conditions Supposed m Electronic expansion valve defective Causes a Faulty thermistor R Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred 58 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams Electrify the machine again and turn it on with the remote controller then measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit 1 The cryogen may have been leaked during installa
23. 3 11 Loss of synchronism detection Inverter side current detection is abnormal Outdoor Display LED flash 18 times LED flash 19 times Method of The position of the compressor rotor can not detected normally Malfunction Detection Malfunction when the wiring of compressor is wrong or the connection is poor Decision or the compressor is damaged Conditions Supposed m Faulty The wiring of compressor Causes m Faulty compressor R Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Within 3 minutes after the machine is supplied with power and turned on with 1 The wiring of compressor is incorrect the remote controller check whether or the connection is poor the compressor can stard up 2 The compressor is damaged At frist the compressor start up soon the compressor stopped with the LED1 on the outdoor PCB blinks 1Hz 19 18 times IPM Module is damaged and needs replacing Malfunction unsolved Maybe there is some disturbance the Malfunctions exist also the compressor is damaged replace a new one 62 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 7 3 12 High work intense protection Outdoor display LED hash 21 times Method of High work intense control is activated in the heating mode if the temperature Malfunction being sensed by the heat exchanger thermistor exceeds the limit Detect
24. 3 1460 2 50 2 20 3 1825 0899 1597 0431 1396 2333 2 48 2 19 4 1724 6540 1511 6468 1323 7551 2 47 2 17 5 1630 2870 1431 2787 1255 4324 2 45 2 16 6 1541 5904 1355 6163 1191 0048 2 43 2 15 7 1458 1938 1284 3593 1130 2298 2 41 2 14 8 1379 7528 1217 2282 1072 8813 2 40 2 13 9 1305 9472 1153 9626 1018 7481 2 38 2 12 10 1236 4792 1094 3200 967 6334 2 36 2 11 11 1171 0715 1038 0743 919 3533 2 35 2 09 12 1109 4661 985 0146 873 7359 2 33 2 08 13 1051 4226 934 9440 830 6210 2 31 2 07 14 996 7169 887 6792 789 8583 2 29 2 06 15 945 1404 843 0486 751 3077 2 27 2 04 16 896 4981 800 8922 714 8380 2 26 2 03 17 850 6086 761 0603 680 3265 2 24 2 02 18 807 3024 723 4134 647 6580 2 22 2 00 19 766 4212 687 8205 616 7252 2 20 1 99 20 727 8172 654 1596 587 4271 2 18 1 98 36 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 21 691 3524 622 3161 559 6694 2 16 1 96 22 656 8979 592 1831 533 3634 2 14 1 95 23 624 3328 563 6604 508 4261 2 12 1 93 24 593 5446 536 6540 484 7796 2 10 1 92 25 564 4275 511 0760 462 3510 2 09 1 90 26 536 9865 486 9352 441 1516 2 07 1 89 27 511 0105 464 0500 421 0258 2 05 1 87 28 486 4151 442 3499 401 9146 2 03 1 86 29 463 1208 421 7683 383 7626 2 01 1 84 30 441 0535 402 2430 366 5175 1 99 1 83 31 420 1431 383 7151 350 1301 1 9
25. 3 2 46 72 1 9714 1 8186 1 6761 2 68 2 50 73 1 9113 1 7614 1 6219 2 73 2 54 74 1 8533 1 7064 1 5697 2 78 2 58 75 1 7974 1 6533 1 5194 2 83 2 63 76 1 7434 1 6021 1 4710 2 88 2 67 77 1 6913 1 5528 1 4243 2 92 2 71 78 1 6409 1 5051 1 3794 2 97 2 75 79 1 5923 1 4592 1 3360 3 02 2 80 80 1 5454 1 4149 1 2942 3 07 2 84 81 1 5000 1 3721 1 2540 3 12 2 88 82 1 4562 1 3308 1 2151 3 17 2 93 83 1 4139 1 2910 1 1776 3 22 2 97 84 1 3730 1 2525 1 1415 3 27 3 01 85 1 3335 1 2153 1 1066 3 32 3 06 86 1 2953 1 1794 1 0730 3 38 3 10 87 1 2583 1 1448 1 0405 3 43 3 15 88 1 2226 1 1113 1 0092 3 48 3 19 89 1 1880 1 0789 0 9789 3 53 3 24 90 1 1546 1 0476 0 9497 3 58 3 28 91 1 1223 1 0174 0 9215 3 64 3 33 92 1 0910 0 9882 0 8942 3 69 3 37 93 1 0607 0 9599 0 8679 3 74 3 42 94 1 0314 0 9326 0 8424 3 80 3 46 95 1 0030 0 9061 0 8179 3 85 3 51 96 0 9756 0 8806 0 7941 3 90 3 55 97 0 9490 0 8558 0 7711 3 96 3 60 98 0 9232 0 8319 0 7489 4 01 3 64 99 0 8983 0 8088 0 7275 4 07 3 69 100 0 8741 0 7863 0 7067 4 12 3 74 101 0 8507 0 7646 0 6867 4 18 3 78 102 0 8281 0 7436 0 6672 4 23 3 83 103 0 8061 0 7233 0 6484 4 29 3 88 104 0 7848 0 7036 0 6303 4 34 3 92 105 0 7641 0 6845 0 6127 4 40 3 97 106 0 7441 0 6661 0 5957 4 46 4 02 107 0 7247 0 6482 0 5792 4 51 4 07 31 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 108 0 7059 0 6308 0 5632 4 57 4 12 109 0 6877 0 6140
26. 3 2085 3 0079 1 91 1 82 56 3 3060 3 0989 2 9021 1 95 1 85 57 3 1969 2 9935 2 8005 2 00 1 89 58 3 0919 2 8922 2 7029 2 04 1 93 59 2 9909 2 7948 2 6092 2 08 1 97 60 2 8936 2 7012 2 5193 2 13 2 01 61 2 8000 2 6112 2 4328 2 17 2 05 62 2 7099 2 5246 2 3498 2 22 2 09 63 2 6232 2 4413 2 2700 2 26 2 13 64 2 5396 2 3611 2 1932 2 31 2 17 65 2 4591 2 2840 2 1195 2 36 2 21 66 2 3815 2 2098 2 0486 2 40 2 25 67 2 3068 2 1383 1 9803 2 45 2 29 68 2 2347 2 0695 1 9147 2 49 2 34 69 2 1652 2 0032 1 8516 2 54 2 38 70 2 0983 1 9393 1 7908 2 59 2 42 71 2 0337 1 8778 1 7324 2 63 2 46 72 1 9714 1 8186 1 6761 2 68 2 50 73 1 9113 1 7614 1 6219 2 73 2 54 74 1 8533 1 7064 1 5697 2 78 2 58 75 1 7974 1 6533 1 5194 2 83 2 63 76 1 7434 1 6021 1 4710 2 88 2 67 77 1 6913 1 5528 1 4243 2 92 2 71 78 1 6409 1 5051 1 3794 2 97 2 75 79 1 5923 1 4592 1 3360 3 02 2 80 80 1 5454 1 4149 1 2942 3 07 2 84 81 1 5000 1 3721 1 2540 3 12 2 88 82 1 4562 1 3308 1 2151 3 17 2 93 83 1 4139 1 2910 1 1776 3 22 2 97 84 1 3730 1 2525 1 1415 3 27 3 01 85 1 3335 1 2153 1 1066 3 32 3 06 86 1 2953 1 1794 1 0730 3 38 3 10 34 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 87 1 2583 1 1448 1 0405 3 43 3 15 88 1 2226 1 1113 1 0092 3 48 3 19 89 1 1880 1 0789 0 9789 3
27. 53 3 24 90 1 1546 1 0476 0 9497 3 58 3 28 91 1 1223 1 0174 0 9215 3 64 3 33 92 1 0910 0 9882 0 8942 3 69 3 37 93 1 0607 0 9599 0 8679 3 74 3 42 94 1 0314 0 9326 0 8424 3 80 3 46 95 1 0030 0 9061 0 8179 3 85 3 51 96 0 9756 0 8806 0 7941 3 90 3 55 97 0 9490 0 8558 0 7711 3 96 3 60 98 0 9232 0 8319 0 7489 4 01 3 64 99 0 8983 0 8088 0 7275 4 07 3 69 100 0 8741 0 7863 0 7067 4 12 3 74 101 0 8507 0 7646 0 6867 4 18 3 78 102 0 8281 0 7436 0 6672 4 23 3 83 103 0 8061 0 7233 0 6484 4 29 3 88 104 0 7848 0 7036 0 6303 4 34 3 92 105 0 7641 0 6845 0 6127 4 40 3 97 106 0 7441 0 6661 0 5957 4 46 4 02 107 0 7247 0 6482 0 5792 4 51 4 07 108 0 7059 0 6308 0 5632 4 57 4 12 109 0 6877 0 6140 0 5478 4 63 4 16 110 0 6700 0 5977 0 5328 4 69 4 21 111 0 6528 0 5820 0 5183 4 74 4 26 112 0 6361 0 5667 0 5043 4 80 4 31 113 0 6200 0 5518 0 4907 4 86 4 36 114 0 6043 0 5374 0 4775 4 92 4 41 115 0 5891 0 5235 0 4648 4 98 4 45 116 0 5743 0 5100 0 4524 5 04 4 50 117 0 5600 0 4968 0 4404 5 10 4 55 118 0 5460 0 4841 0 4288 5 16 4 60 119 0 5325 0 4717 0 4175 5 22 4 65 120 0 5194 0 4597 0 4066 5 28 4 70 Discharging Sensor R80 C 50K 2 3 B25 80 C 4450K 3 Temp C Max KQ Normal KQ Min KQ Tolerance C 30 14646 0505 12061 7438 9924 4999 2 96 2 45 29 13654 1707 11267 8730 9290 2526 2 95 2 44 28 12735 8378 10531 3695 8700 6388 2 93 2 44 27 11885 1336 9847 7240 8152 2338 2 92 2 43 26 11096 6531 9212 8101 7641 8972 2 91 2 42
28. 5378 2 95 2 75 133 9 7563 8 9971 8 2895 3 00 2 80 134 9 4901 8 7441 8 0495 3 05 2 84 135 9 2322 8 4993 7 8175 3 09 2 88 136 8 9824 8 2623 7 5931 3 14 2 92 137 8 7404 8 0329 7 3760 3 19 2 96 138 8 5059 7 8108 7 1660 3 24 3 00 139 8 2787 7 5958 6 9629 3 29 3 04 140 8 0584 7 3875 6 7664 3 33 3 09 39 aler Domestic air conditioner Haier 2HUM18HCO03 R2 DB SM 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 or 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 40 Haier Domestic Air Conditioner Haier 2HUM18HC03 R2 DB SM Introduction 8 Installation Parts and Fun
29. 60 1 49 11 56 5296 52 2278 48 2099 1 58 1 47 10 53 6294 49 6244 45 8771 1 56 1 46 9 50 8956 47 1666 43 6714 1 54 1 44 8 48 3178 44 8454 41 5851 1 51 1 42 7 45 8860 42 6525 39 6112 1 49 1 40 6 43 5912 40 5800 37 7429 1 47 1 39 5 41 4249 38 6207 35 9739 1 45 1 37 4 39 3792 36 7676 34 2983 1 43 1 35 32 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 3 37 4465 35 0144 32 7108 1 41 1 33 2 35 6202 33 3552 31 2062 1 38 1 31 1 33 8936 31 7844 29 7796 1 36 1 29 0 32 2608 30 2968 28 4267 1 34 1 28 1 30 7162 28 8875 27 1431 1 32 1 26 2 29 2545 27 5519 25 9250 1 29 1 24 3 27 8708 26 2858 24 7686 1 27 1 22 4 26 5605 25 0851 23 6704 1 25 1 20 5 25 3193 23 9462 22 6273 1 23 1 18 6 24 1432 22 8656 21 6361 1 20 1 16 7 23 0284 21 8398 20 6939 1 18 1 14 8 21 9714 20 8659 19 7982 1 15 1 12 9 20 9688 19 9409 18 9463 1 13 1 09 10 20 0176 19 0621 18 1358 1 11 1 07 11 19 1149 18 2270 17 3646 1 08 1 05 12 18 2580 17 4331 16 6305 1 06 1 03 13 17 4442 16 6782 15 9315 1 03 1 01 14 16 6711 15 9601 15 2657 1 01 0 99 15 15 9366 15 2770 14 6315 0 98 0 96 16 15 2385 14 6268 14 0271 0 96 0 94 17 14 5748 14 0079 13 4510 0 93 0 92 18 13 9436 13 4185 12 9017 0 91 0 90 19 13 3431 12 8572 12 3778 0 88 0 87 20 12 7718 12 3223 11 8780 0 86 0 85
30. 7 1 81 32 400 3242 366 1295 334 5542 1 95 1 80 33 381 5350 349 4341 319 7460 1 93 1 78 34 363 7176 333 5801 305 6645 1 90 1 76 35 346 8176 318 5216 292 2709 1 88 1 75 36 330 7839 304 2151 279 5286 1 86 1 73 37 315 5682 290 6199 267 4031 1 84 1 71 38 301 1254 277 6976 255 8620 1 82 1 70 39 287 4128 265 4119 244 8745 1 80 1 68 40 274 3905 253 7288 234 4118 1 78 1 66 41 262 0206 242 6161 224 4465 1 76 1 64 42 250 2676 232 0436 214 9529 1 74 1 63 43 239 0983 221 9825 205 9065 1 71 1 61 44 228 4809 212 4060 197 2844 1 69 1 59 45 218 3860 203 2887 189 0648 1 67 1 57 46 208 7855 194 6066 181 2273 1 65 1 55 47 199 6531 186 3369 173 7524 1 63 1 54 48 190 9639 178 4584 166 6217 1 60 1 52 49 182 6945 170 9508 159 8181 1 58 1 50 50 174 8228 163 7951 153 3249 1 56 1 48 51 167 3280 156 9733 147 1268 1 53 1 46 52 160 1904 150 4683 141 2090 1 51 1 44 53 153 3914 144 2641 135 5577 1 49 1 42 54 146 9136 138 3454 130 1598 1 47 1 40 55 140 7403 132 6980 125 0027 1 44 1 38 56 134 8559 127 3081 120 0746 1 42 1 36 57 129 2457 122 1630 115 3645 1 40 1 34 58 123 8956 117 2504 110 8618 1 37 1 32 59 118 7926 112 5589 106 5564 1 35 1 30 60 113 9241 108 0776 102 4388 1 32 1 28 61 109 2784 103 7961 98 5000 1 30 1 26 62 104 8443 99 7046 94 7315 1 28 1 23 63 100 6112 95 7939 91 1253 1 25 1 21 64 96 5692 92 0553 87 6735 1 23 1 19 65 92 7088 88 4805 84 3690 1 20 1 17 37 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM
31. FF or TIMER ON OFF em or iaa wI flash 3 Press TIME TIME button to set time It can be adjusted within 24 hours 4 After setting correct time press SET button to confirm GDR or Gai on the remote controller stops flashing 5 Cancel TIMER mode Just press TIMER button several times until TIMER mode disappears Hints After replacing 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 time setting is the same as previous one According to the Time setting sequence of TIMER ON or TIMER OFF either Start Stop or Stop Start can be achieved B Healthy airflow Operation 1 Press ON OFF to starting Setting the comfort work conditions 2 The setting of healthy airflow function 1 Press the button of healthy airflow TS appears on the display Horizontal airflow sending Avoid the airflow blows direct to the body 2 Press the button of healthy airflow again L appears on the display Downward airflow sending Avoid the airflow blows direct to the body 3 The cancel of the healthy airflow function Press the button of healthy airflow again the unit goes on working under the condition before the setting of healthy airflow function Notice Do not direct the flap by hand Otherwise the grille will run incorrectly If the grille is not run correctly stop for a minute and then start adjustin
32. Haier SERVICE MANUAL Order No AC1012S002V0 Wall mounted Type DC Inverter EK Series Model No 2HUM18HC03 R2 DB HSM07HEKCO03 R2 DB HSMO9HEKC03 R2 DB emm HSM12HEKC03 R2 DB 1 EA P iiin dn Haier Ze HSM07HEKC03 R2 DB Se HSMO9HEKC03 R2 DB a HSM12HEKC03 R2 DB i 2HUM18HC03 R2 DB outdoor unit AWARNING This service information is designed for experienced repair technicians only and is 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 2010 Qingdao Haier Air Conditioner General corp Ltd All right reserved Unauthorized copying and distribution is a violation of law Haier Group Haier 2HUM18HC03 R2 DB SM Table of Contents Table of Contents De IMELOGUCHON DEET 1 2 LIST OF PON CUONS eegener eege AAE EEEN a E a E AEE 6 3 Specifications EE 7 4 Printed Circuit Board Connector Wiring Diagram eeee 9 5 Functions and Control 14 5 1 main functions and control specifications of indoor unit ee 14 5 2 main function and control specification of outdoor unit eee 22 5 3 Value Of Thermistor 28 6 Syst
33. N of the module board 10 CN36 Connector for communicate between indoor and outdoor unit 11 CN15 CN16 Connector for electric expansion valves PCB 2 module PCB CN10 Connector for the DC power 5V and 15V form the control PCB CN11 Connector for communicate between the control board and the module board P CN8 N CN9 Connector for CN27 CN25 on the control board LI CN3 LO CN4 Connector for reactor AC_L CN1 AC_N CN2 Connector for CN10 CN9 on the control board CN5 U CN6 V CN7 W connector for the compressor Note Other Designations PCB 1 Control PCB 1 FUSE 1 Fuse 25A 250VAC 2 LED 1 keep light representative normal if keep flash interval representative trouble Alarm 3 RV1 RV2 RV3_ Varistor E Haier Domestic air conditioner Connector wiring diagram 2HUM18HC03 R2 DB SM CN CN36 CN10 CN9 e mee Ges 164 e elle Te elle ia leie el ee 165 P CO e Be u a RAR 75 di is SE ei Eng 88000008 GE SEI e oe ele NSS A fe e ter g 8684 SEEE 6 BEBE 6 8 00 g oe EK iS igi E Det EH 2 e 1 J36 lal end w e 35 Ter e m 134 NAS Owe Ow J Wr 0 Wr Jess Jess ICN34
34. Wiring diagrams 66 89 0211 85 0614 81 2048 1 18 1 15 67 85 4976 81 7908 78 1744 1 15 1 12 68 82 1303 78 6615 75 2715 1 13 1 10 69 78 9116 75 6668 72 4902 1 10 1 08 70 75 8343 72 8004 69 8249 1 08 1 06 71 72 8916 70 0561 67 2703 1 05 1 03 72 70 0770 67 4283 64 8213 1 03 1 01 73 67 3844 64 9115 62 4731 1 00 0 99 74 64 8080 62 5006 60 2211 0 98 0 96 75 62 3423 60 1906 58 0609 0 95 0 94 76 59 9821 57 9770 55 9885 0 92 0 92 77 57 7223 55 8552 53 9998 0 90 0 89 78 55 5583 53 8210 52 0912 0 87 0 87 79 53 4856 51 8706 50 2591 0 85 0 84 80 51 5000 50 0000 48 5000 0 85 0 84 81 49 7063 48 2057 46 7083 0 85 0 85 82 47 9835 46 4842 44 9911 0 89 0 89 83 46 3286 44 8323 43 3452 0 93 0 92 84 44 7385 43 2468 41 7672 0 96 0 95 85 43 2105 41 7248 40 2540 1 00 0 99 86 41 7386 40 2604 38 7996 1 03 1 02 87 40 3241 38 8545 37 4048 1 07 1 06 88 38 9643 37 5045 36 0668 1 11 1 09 89 37 6569 36 2078 34 7831 1 14 1 13 90 36 3996 34 9622 33 5513 1 18 1 16 91 35 1903 33 7653 32 3689 1 22 1 19 92 34 0269 32 6151 31 2338 1 26 1 23 93 32 9075 31 5096 30 1438 1 30 1 27 94 31 8302 30 4467 29 0970 1 33 1 30 95 30 7933 29 4246 28 0915 1 37 1 34 96 29 7950 28 4417 27 1254 1 41 1 37 97 28 8337 27 4961 26 1970 1 45 1 41 98 27 9078 26 5864 25 3048 1 49 1 44 99 27 0160 25 7110 24 4470 1 53 1 48
35. ating it is needed to satisfy F MIN d lt F lt F MAX d When heating it is needed to satisfy F MIN r lt F lt F MA Xt 5 2 2 The outdoor fan control exchange fan When the fan is changed among every airflow speed including stop blowing in order to avoid the airflow speed from skipping frequently it must be kept under each mode for over 30 seconds and then it can be changed to another mode when refrigerating the time is changed to 15 seconds 5 2 2 1 The outdoor fan control when refrigerating or dehumidifying After the compressor is started for 5 seconds the outdoor fan is started at the medium speed at first after 30 seconds it begins to control the airflow speed according to the temperature conditions of the outdoor environment The temperature of the The temperature of the outdoor Airflow speed outdoor air Ta coil Te Ta 30 C Se High 26 C Ta lt 30 C Keeping the speed 24 C Ta lt 26 C Medium 23 C Ta lt 24 C Keeping the speed 5 C Ta lt 23 C Low Ta lt 5 C 15 C Te Low 15 C gt Te Stop 5 2 2 2 The outdoor fan control when heating The temperature of the outdoor Airflow speed air Ta Ta 22 C Low 19 C Ta lt 22 C Keeping the speed 16 C STa lt 22 C Medium 14 C Ta lt 16 C Keeping the speed Ta lt 14 C High 5 2 3 The control of the outdoor electronic expansion valve When starting the compressor the
36. ayed the complete appliance s malfunctions are prior to the units malfunctions Annex 1 Malfunction codes of the whole unit Remarks under the mode of refrigeration the malfunctions of each unit s thin pipe temperature sensor are not reported under the mode of heating the malfunctions of each unit s thick pipe temperature sensor are not reported F12 1 Outdoor EEPROM error F1 2 The protection of IPM F22 3 Overcurrent protection of AC electricity for the outdoor model F3 4 Communication fault between the IPM and outdoor PCB F19 6 Power voltage is too high or low F4 8 Overheat protection for exhaust temperature F21 10 Frost removing temperature sensor failure F6 12 Ambient temperature sensor failure F25 13 Exhaust temperature sensor failure E7 15 Communication fault between indoor and outdoor units F11 18 deviate from the normal for the compressor 19 Loop of the station detect error E9 21 High work intense protection 24 Overcurrent of the compressor 25 Overcurrent protection for single phase of the compressor 36 The socket protect 5 3 Value of Thermistor 5 3 1 intdoor Unit Room sensor and Pipe Sensor R25 C 10K2 3 B25 C 50 C 3700K 3 Temp C Max KQ Normal KQ Min KQ Tolerance C 30 165 2170 147 9497 132 3678 1 94 1 75 29 155 5754 139 5600 125 0806 1 93 1 74 28 146 5609 131 7022
37. ctions R Indoor Unit Mi Remote controller 7 TEMP display 8 POWER SOFT display 9 HEALTH display 10 QUIET button 11 HEAT button 12 COOL button 13 AUTO button e 14 FAN button o 16 HEALTH butt utton O EA ow 17 LOCK button lt Used to lock buttons and LCD HES Fran A display bd 18 LIGHT button Control the lightening and Sea 29 extinguishi i e p guishing of the indoor Inlet Display board huel aH VS LED display board 2 Inlet grille Emergency Switch en Co ee 19 POWER ON OFF button 37 Outlet Air Purifying Filter D oo o 20 DRY button inside _ Ll 21 TEMP button Vertical blade 22 SWING button adjust left and right air flow Horizontal flap 1 Mode display 23 HOUR button Operation mode SMART auTo cooL DRY Heat FAN 24 EXTRA FUNCTION button Sec KAN KEJ EJE EAEI 25 CANCEL CONFIRM button adjust up and down air flow Don t adjust it manually 2 Signal sending display Used to confirm timer and 3 SWING display clock settings Please be subject to the actual produce purchased the KS ey Ke S Kena gn troll above picture is just from your reference i al N ROL appears abnormal use a sharp 5 LOCK display pointed article to press this 6 TIMER OFF display button to reset the remote E Outdoor Unit TIMER ON display R Loading of the battery 1 Rem
38. d once which means the start of this operation e When power switch is turning on for the first time and emergency operation starts the unit will run automatically in the following modes Room Designated Fan emergency temperature temperature speed loperation switch Above 23 C 26 C AUTO Below 23 C 23 C AUTO is also not possible to operate in timer or dry mode fr est operation d Test operation switch is the same as emergency switch e Use this switch in the test operation when the room temperature is below 16 C do not use it in the normal operation e Continue to press the test operation switch for more than 5 seconds After you hear the Pi sound twice release your finger from the switch the cooling operation starts with the air flow speed Hi e Under this operation mode the fan motor of indoor unit will run in high speed E B Air Flow Direction Adjustment 1 Status display of air flow COOL DRY gt gt Y E KE U gt Y HEAT KU ENM EN gt y EE initial state 2 Left and right air flow adjustment manual Move the vertical blade by a knob on air conditioner to adjust left and right direction referring to Fig SE Ett STEE 3D Cautions e When adjusting the flap by hand turn off the unit e When humidity is high condensate water might occur at air outlet if all vertical louvers are adjusted to left or ri
39. der and manifold for charging amoo Haier Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Introduction Maintenance For Smart Use of The Air Conditioner Setting of proper room Do not block the air inlet Remote Controller temperature or outlet Indoor Body Proper wipe the air conditioner by using a temperatura soft and dry cloth For serious stains use a neutral detergent diluted with water Wring the water out of the cloth before wiping then wipe off the detergent completely P Do not usewater wipe the controller with a dry cloth Do not use glass cleaner or chemical cloth Do not use the following for cleaning Close doors and windows Use the timer effectively during operation ar T Ge Gasoline benzine thinner or cleanser Hot water over 40 C 104 F may may damage the coating of the unit cause discoloring or deformation During cooling operation Air Filter cleaning prevent the penetration of direct sunlight with E E 1 Open the inlet grille by pulling it upward 2 Remove the filter ei E Push up the filter s center tab slightly until it is f released from the stopper and remove the filter downward i 3 Clean the filter If the unit is not to be used Use a vacuum cleaner to remove dust or wash the filter with fora long time turn off the water After washing dry the filter completely in the shade power supply main switch 4 Attach the filter Attach the fil
40. e to avoid electrical shocks Be sure to turn off the power switch and unplug the power cable when cleaning the equipment The internal 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 CAGOY 1 1 2 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 For Incorrect use of the installation frame and improper installation can cause the equipmen
41. e connect or disconnect connector 51 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams or else parts damage may be occurred Pull out the terminal the ind Check whether terminals ee es nee ane o indoor pobiis weli mainboard and reinsert them Electrify the machine again and turn it on in the cooling operation Measure voltage between the positions 1and 3 of Terminal CNS on the indoor PCB the voltage is about 90 220vac Measure whether there is voltage pulse 0 5VDC between the positions middle wire and black wire check whether motor can run of Terminal CN2 on the indoor PCB when turn on the unit the indoor motor is damaged and need replace the indoor pcb is damaged and need replace 52 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 7 3 4 Outdoor DC fan motor fault Check whether Terminal on the outdoor mainboard is well inserted Reinsert the terminals Yes Electrify the machine again and turn NO it on in the Cool state with the remote controller check whether motor can run 7 Measure the voltage between 1 and 3 of the terminal of fan motor on the mainboard about DC310V Measure the voltage between 3 and 4 of the terminal about DC15V Measure the voltage between 5 and 3 of the Measure the voltage between 3 and 6 of the terminal about 0 5v terminal OIS the motor of the outdoor unit is damaged The ma
42. e in the room during cooling operation 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 e The refrigerating circuit is leak proof The machine is adaptive in following situation 1 Applicable ambient temperature range Maximum D B W B 32 C 23 C Indoor Minimum D B W B 21 C 15 C Cooling Maximum D B W B 43 C 26 C Outdoor Minimum DB 18 C Maximum D B 27 C Indoor winimum D B ger Heating A F o o Outdoor Maximum D BANS 24 C 18 C Minimum D B W B 7 C 8 C Outdoor Maximum D B W B 24 C 18 C INVERTER Minimum D B 15 C 2 If the power supply cord is damaged it must be replaced by the manufacturer or its service agent or a similar qualified person 3 If the fuse of indoor unit on PC board is broken please change it with the type of T 3 15A 250V If the fuse of outdoor unit is broken change it with the type of T 25A 250V 4 The wiring method should be in line with the local wiring standard 5 After installation the power plug should be easily reached 6 The waste battery should be disposed properly 7 The appliance is not intended for use by young children or infirm persons without supervision 8 Young children should b
43. e supervised to ensure that they do not play with the appliance 9 Please employ the proper power plug which fit into the power supply cord 10 The power plug and connecting cable must have acquired the local attestation 11 In order to protect the units please turn off the A C first and at least 30 seconds later cutting off the power Introduction Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 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 None of the units Check the power supply Check to make sure that the rated voltage is supplied operates Check the indoor PCB Check to make sure that the indoor PCB is broken Operation Check the power supply A power failure of 2 to 10 cycles can stop air conditioner sometimes stops operation Check for faulty operation Set the units to cooling operation and compare the Equipment of the electronic temperatures of the liquid side connection pipes of the operates but does
44. ecreases to the lowest frequency When the temperatures are lower than 65 C and higher than 60 C keep the frequency of the compressor When the temperatures are lower than 60 C relieve the defrosting temperature protection Malfunction display and malfunction handling a For the complete appliance s malfunctions Annex 2 If there s malfunction with the outdoor unit the light of the outdoor unit will flash and its frequency is 1HZ the number of times is according to the table when a round of flashing is finished the 27 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams light shoud be off for 5 seconds b For the units malfunctins Annex 1 If there s malfunction with the units this will not affect the run of the complete appliance but this can be displayed by the malfunction light the light flashing frequency is 0 5HZ the number of times is according to the malfunction table of the indoor units When a round of flashing is finished the light shoud be off for 10 seconds Then report according to the order unit A unit B unit C unit D that is if there s malfunction with several units then just report the indoor unit with the highest priority level Among the unit malfunctions the priority level of the communication malfunction is the highest for others that appears first will have the priority Remarks in 3 minutes when the compressor stops the units malfunctions are not displ
45. eed should be delayed for 3 minutes remain at high speed for 3 minutes before the next switch Manual When the sensor is off or Tr lt Ts 3 C the manual operation can not be made obligatory automatic operation Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the frosting on the indoor heat exchanger when cooling or demoisture When the compressor works continuously for 1 6 minutes adaptable in EEPROM and the temperature of the indoor coils has been below zero centigrade for 10 seconds the compressor will be stopped and the malfunction will be recorded in the malfunction list The indoor system will continue to run When the temperature of the indoor coil is raised to 7 C the compressor will be restarted again the prerequirement of 3 minutes delay should be satisfied coil protection synchronic overheating protection are installed for the four directions latch malfunctions when demoisturing 15 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams timing system on off function Dormant control function Heating operation mode temperature control range 16 30 C temperature difference 1 C control feature the temperature compensation is automatically added and the system will send the heating signals to the outdoor system If Tr lt Ts the outdoor compressor is turned on the indoor fan will be at the cold ai
46. egree to 30 degree When the temperature goes beyond this range the abnormality can be confirmed If the temperature goes back into the range the system will automatically resume 2 indoor heat interaction sensor abnormality under the operation the normal temperature ranges from 120 degree to 30 degree When the temperature goes beyond this range the abnormality can be confirmed If the temperature goes back into the range the system will automatically resume 3 indoor malfunction Out door malfunction When the indoor system receives the outdoor malfunction codes it will store the code into E2 for the malfunction list resume The indoor system will continue to operate according to the original status the malfunction code will not be revealed or processed 4 transmission abnormality If the indoor system can t receive the outdoor system for 8 minutes the communication abnormality can be confirmed and reported and the outdoor system will be stopped 5 1 16 Single indoor system operation Enter condition First set the high speed airflow and 30 centigrade set temperature then press the dormant keys for 6 times within 7 seconds the system will feedback with 6 rings After the system enters the separate indoor system operation mode the indoor system will 20 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 5 1 17 operate according to the set mode and neglect the communication signals of the outdo
47. em Configuration ee e A0 6 1 System E e Tele EE 40 O2 ee ET 40 7 Error Codes and Description 48 EE EE 64 9 Removal Procedure teeter eee eee terete nee e ee ea eens 68 9 1 Removal EE ae ee 68 B Removal Of ET RE 70 9 3 Removal of Horiaontal Flap SR TRR NR Ree ale RR a EA E E A T 72 9 4 Removal of Drain pan ssisssriisieriuvrisiesren EEN ERR RON KRSR RER 73 9 5 Removal of Vertical Blades and Swing Motor 74 9 6 Removal of Electrical BOX 0cscecec cece ec ec ease eee ee ee ee eee eeeeeeeeeaeneaeneeeeees 75 9 7 Removal of Heat Exchanger d een ZEIEN ege ENER e eech 76 9 8 Removal of Fan Rotor and Fan Motor ENNEN 78 Haier r r S ststi T CC DomesticAir Conditioner 9 9 Removal of Outdoor panel Seege 80 9 10 Removal of Fan and Fan Motor esse eee eee eee 85 9 1 1 Removal of Electrical Box S653868 A R 88 8 8 8 0 08 0 48 8 8 AAR 80 8 04 8 0 48 8 48 84 805 86 9 12 Removal of Left Side Plate eenegen eege Eege 87 9 13 Removal of Fan motor and Bracket ee eee 89 9 14 Removal of Right Side Hate AAA 93 9 15 Removal of Compressor and Heat Evbanger eee 94 10 PD DENG EE 91 10 1 Piping RTE see e e bebia weeaemsnnateenedesmaencess 91 10 2 Wiring VANS EE 92 10 3 Circuit IAG FAS aeger sanerainedsceynenienun iene yermans cian die neta eae nN 94 11 Description of Coding rules of Unit Model 95 Hoier Domestic Air Conditioner Hoater 2HUMBHCOSIR2 DB SM_ introduction 1 Introduction 1 1 Safety Cautio
48. ent of the compressor Outdoor Display LED1 flash 3 or 24 or 25 times Method of The current of the compressor is too high Malfunction Detection Malfunction when the IPM Module is damaged Decision or the compressor is damaged Conditions power supply voltage is too low or too high Supposed m Faulty IPM Module Causes m Faulty compressor R Faulty power supply Wiring diagrams Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 55 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams Electrify the machine again and turn it on with the remote controller lf malfunctions IPM Module is damaged and are reported before or upon the needs replacing compressor being started up The compressor is started normally Yes but malfunctions are reported after it has run for some time Check the Repair the power supply power supply is too low or too high the system may have been over or under charged with gas which can be judged through the pressure of the measuring system 7 3 7 The communication fault between IPM and outdoor PCB Outdoor display LED1 flash 4 times Method of Communication is detected by checking the IPM module and the outdoor PCB Malfunction Detection Malfunction m The outdoor PCB broken leads to communication fault Decision m The IPM module broken leads
49. er N wire 5 6 CN32 Connector for display board CONT Connector for power L 7 CON6 CON8 Connector for ions generator 8 CON7 Connector for communicate between the indoor board and the outdoor board 9 CN27 Connector for fan motor s PG back 10 CN34 Connector for long range control 11 CN20 Connector for room card Note Other designations PCB 1 INdoor Control PCB 1 SW1 Connector for Forced operation ON OFF switch 2 SW2 1 Select remote code A or B 2 Select 25 or 35 3 Select room card able or disable 3 SW4 Select 20 or other if select 20 SW2 must select 25 ON 4 RV1 Varistor 5 FUSE1 Fuse 3 15A 250VAC Haler Domestic air conditioner Ne mS ZD CS 2HUM18HC03 R2 DB SM PCB 1 B o CN31 TRANS l Connector wiring diagram anscrooeva0 Haier 10 Domestic air conditioner 2HUM18HC03 R2 DB SM Connector wiring diagram 4 2 outdoor unit Connectors PCB 1 Control PCB 1 CN1 CN2 Connector for power N and L 2 CN3 Connector for ground 3 CN23 Connector for DC POWER 15Vand 5V to the module board 4 CN9 CN10 Connector for CN2 CN1 on the module board 5 CN22 Connector for fan motor 6 CN11 Connector for four way valve coil 7 CN17 CN18 CN19 CN20 CN21 Connector for thermistors 8 CN24 Connector for communicate between the control board and the module board 9 CN28 CN25 Connector to P and
50. er 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 5 aler Domestic Air Conditioner Haier 2HUM18HC03 R2 DB SM List of Functions 2 List of Functions EE EEN The setting temprature and the indoor noise can be adjusted to a more comfortable level when you set the sleep mode during night sleep dehumidification Note Y Holding Functions N No Functions Sleep mode Haie OU Domestic Air Conditioner Haier 2HUM8HC03 R2 DB SM Specifications 3 Specification 2HUM18HC03 R2 DB 9 12 K 2HUM18HC03 R2 DB 12 12 K Model Cooling Heating Cooling Heating kW 5 05 1 3 5 75 5 7 1 73 6 45 5 1 1 39 5 8 5 7 1 91 6 6 Capacity Rated Min Max Btu h 17200 4450 19600 19450 5900 22000 17400 4750 19800 19450 6500 22500 kcal h 4343 1118 4945 4902 1488 5547 4386 1195 4988 4902 1643 5676 Moisture Removal L h 2 8 3 2 Running Current Rated A 7 6 7 6 7 7 7 6 Power Consumption Rated Min Max w 1575
51. erature sensor failure Page 50 F25 13 Exhaust temperature sensor failure Page 50 F11 18 deviate from the normal for the compressor Page 61 F28 19 Loop of the station detect error Page 61 F2 24 Overcurrent of the compressor Page 55 F23 25 Overcurrent protection for single phase of the Page 55 compressor 49 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 7 3 1 Thermistor or Related Abnormality Indoor Display E1 Room temperature sensor failure E2 Heat exchange sensor failure outdoor display LED1 flash 10 times Frost removing temperature sensor failure LED flash 11 times Suction temperature sensor failure LED1 flash 12 times Ambient temperature sensor failure LED1 flash 13 times Exhaust temperature sensor failure Method of The temperatures detected by the thermistors are used to determine thermistor errors Malfunction Detection Malfunction when the thermistor input is more than 4 92V or less than 0 08V during compressor Decision operation Conditions Note The values vary slightly in some models Supposed m Faulty connector connection Causes m Faulty thermistor m Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Check the connector onnection NO Correct the connection en Yes Thermistor resistance check NO Replace the thermistor Yes Replace the indoor unit PCB Remove the con
52. expansion valve connection section among rooms to check the opening and not cool or does l f l not heat only for closing operation of the electronic expansion valves of the heat pump individual units Diagnosis by service port Check for insufficient gas pressure and operating current Large operating Check the installation Check to make sure that the required spaces for noise and condition installation specified in the Technical Guide etc are vibrations provided 48 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 7 3 Error Codes and Description indoor display Code indication Outdoor Description ec indoor LED1 flash age times Indoorand Outdoor E7 15 Communication fault between indoor and Page 60 outdoor units E1 Room temperature sensor failure Page 50 Indoor Malfunction E2 Heat exchange sensor failure Page 50 E4 Indoor EEPROM error Page 51 E14 Indoor fan motor malfunction Page 52 F12 1 Outdoor EEPROM error Page 51 F1 2 The protection of IPM Page 54 outdoor 3 Overcurrent rotection of AC electricit Malfunction F22 P y Page 55 for the outdoor model Communication fault between the IPM and FS j outdoor PCB Page 36 F19 6 Power voltage is too high or low Page 57 F4 8 Overheat protection for exhaust temperature Page 58 F21 10 Frost removing temperature sensor failure Page 50 F6 12 Ambient temp
53. frequency slowly 2 1HZ 10seconds 5 2 1 4 The calculation of the compressor s frequency 1 The minimum maximum frequency limitation A While refrigerating F M A X r is the maximum operation frequency of the compressor F MIN r is the minimum operation frequency of the compressor B While heating F MA X d_ is the maximum operation frequency of the compressor F MIN dis the minimum operation frequency of the compressor 1 The frequency limitation which is affected by the environment temperature Heating mode 22 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams Serial Temperature scope Frequency limitation No 1 Wh_c lt 12 Max_hz8 120 HZ 2 Wh_c lt 8 Max_hz7 120HZ 3 Wh_c lt 2 Max_hz4 120 HZ 4 Wh_c lt 5 Max_hz5 120HZ 5 Wh_c lt 12 Max bai 100HZ D Wh_c lt 18 Max hai 56HZ 7 Wh_c gt 18 Max_hz6 44HZ Remarks the above are the maximum frequency limitations of the complete appliance which are affected by the environment and they have nothing to do with the ability of the indoor unit Refrigeration dehumidification mode Serial No Temperature scope Frequency limitation 1 Wh_c lt 16 Max bai 26 HZ 2 Wh_c lt 24 Max_hz2 40HZ 3 Wh_c lt 32 Max_hz3 58 HZ 4 Wh_c lt 44 Max_hz4 80HZ 5 Wh_c gt 44 Max_hz5 40HZ Remarks the above are not only the maximum frequency limitations of the complete app
54. frigerant 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 Haie Dome Air Conditioner Warning Do not repair the electrical components with wet hands Working on the equipment with wet hands can cause an electrical shock Do not clean the air conditioner by splashing water Washing the unit with water can cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or wet plac
55. g In SOFT operation mode fan speed automatically takes low speed of AUTO fan mode Note During POWER operation in rapid HEAT or COOL mode the room will show inhomogeneous temperature distribution Long period SOFT operation will cause effect of not too cool or not too warm To cancel POWER or SOFT operation Press POWER SOFT button again POWER or SOFT disappears B HEALTHY Operation Healthy Negative ions The anion generator in the airconditioner can generate a lot of anion effectively balance the quantity of position and anion in the air and also to kill bacteria and speed up the dust sediment in the room and finally clean the air in the room About UV light degerming function UV light emitted by the UV light device of the indoor unit catalytically activates the nano TiO2 on the multi lights touching intermediary and the degerming effect is highly efficient and lasting Note when the function is running don t open the inlet grille Haier Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Introduction Operation E Timer On Off On Off Operation Set clock correctly before starting TIMER operation 1 After unit starts select your desired operation mode 2 Press TIMER button to change TIMER mode Every time the button is pressed display changes as follows Remote controller om en en en TIMER ON TIMER OFF TIMER ON OFF TIMER OFF ON Then select your desired TIMER mode TIMER ON or TIMER O
56. g by remote controller Note 1 After setting the healthy airflow function the position grill is fixed 2 In heating it is better to select the l mode 3 In cooling it is better to select the mode 4 In cooling and dry using the air conditioner for a long time under the high air humidity condensate water may occur at the grille 44 EUROPEAN REGULATIONS CONFORMITY FOR THE MODELS CE All the products are in conformity with the following European provision Low Voltage Directive 73 23 EEC Low Voltage Directive 2006 95 EC Electomagnetic CompatibilitY 89 336 EEC Electomagnetic CompatibilitY 2004 108 EC ROHS The products are fulfilled with the requirements in the directive 2002 95 EEC of the European parliament and of council on the Restriction of the use of Certain Hazardous Substances in Electrical and Electronic Equipment EU RoHS Directive WEEE In accordance with the directive 2002 96 CE of the European parliament herewith we inform the consumer about the dis posal requirements of the electrical and electronic products DISPOSAL REQUIREMENTS Your air conditioning product is marked with this symbol This means that electrical and electronic products shall not be mixed with unsorted household waste Do not try to dismantle the system yourself the dismantling of the air conditioning system treatment of the refrigerant of oil and of other part must be done by a qualified installer in accordance wit
57. g can be quitted after receiving the remote signal and the system will enter the remote setting status 2 Fixed heating a under G code condition high speed heating set 30 C press temperature key and the set key at the same time The system will enter the fixed frequency operation after the buzzer rings twice b The proceeding programs are as the follows Entering the fixed frequency operation you can set the fixed strength location 1 and send the heating signal to the outdoor system Meanwhile you can fix the indoor system at high speed mode the location of the airflow directin board can be switched to the maximal position c Quitting condition The fixed frequency heating can be quitted after receiving the remote signal and the system will enter the remote setting status 5 1 19 Test program First connect the test program terminal on the mainboard then connect the system to the power circuit The test program will operate as follows HV series display The buzzer rings for one time the signal will be sent to outdoor system for 0 5 second the violet is sent for 0 5 the background light turns to white the back ground light turns to white the background light turns to white the background light is fully lighted for 0 5 21 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams second LED screen lights for 0 5 second the step in motor fully output for 0 5 second then the motor does
58. ght period of the time due to cold draft prevention function s i 2 HEAT Eed When FAN is set to AUTO the air conditioner automatically e It IS advisable not to keep horizontal flap at downward adjusts the fan speed according to room temperature ah S E position for a long time in COOLor DRY mode In FAN operation mode the unit will not operate in e COOL or HEAT mode but only in FAN mode otherwise condensate water might occur FAN AUTO is not available in FAN mode And temp setting is disabled In FAN mode sleep operation Note is not available When restart after remote turning off the remote controller will automatically memorize the previous set swing position 42 Haier Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Introduction Operation B 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 Sek a da Use of SLEEP function After the unit starts set the operation status then press SLEEP button before which the clock must be adjudted and time being set Operation Mode 1 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 futher 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 S SLEEP operation starts SLEEP
59. h relevant local and national legislation Air conditioners must be treated at a specialized treatment facility for reuse recycling and recovery By ensuring this product is disposed of correctly you will help to prevent potential negative cons equences for the environment and humen health Please contact the installer or local authority for more information Battery must be removed from the remote controller and dis posed of separately in accordance with relevant local and nation legislation IMPORTANT INFORMATION REGA RDING THE REFRIGERANT USED Contains fluorinated greenhouse gases covered by the Kyoto Protocol F E This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent into the atmosphere Refrigerant type R410A GWP value 1975 GWP global warming potential Please fill in with indelible ink sl he factory refrigerant charge of the product 2 the additional refrigerant amount charged in the field and e 1 2 the total refrigerant charge on the refrigerant charge label supplied with the product The filled out label must be adhered in the proximity of the product charging port e g onto the inside of the stop value cover A contains fluorinated greenhouse gases covered by the Kyoto Protocol B factory refrigerant charge of the product see unit name plate additional refrigerant amount charged in the field total refrigerant charge outdoor unit refrigerant cylin
60. ill be offered if the system enters the heating mode then the heating strength mute function will be offered if the system enters the airflow mode there will be no strength mute function Mute operation the system enters the mode after receiving the mute signal a Mute heating the airflow speed is slight the system sends the mute signal to the outdoor system b mute cooling the airflow speed is slight the system sends the mute signal to the outdoor system When the compressor operates the airflow speed is mute speed EEPROM is adaptable Mute operation can not work under the demoisturing and airflow sending operation Air refreshing After receiving the signal from the remote control HV series the background light of the health logo is green HS series the health indicator will be lighted If the fan operates the negative ion generator operates to realize the negative sending function If the indoor fan stops the negative ion generator is turned off When the negative ion generator is turned off if the air refreshing system is turned on the negative ion generator will be turned on when the fan operates Timing You can set 24 hours on off timing accordingly After the setting the timing indicator will be lightened Also the light will be turning off after the timing is finished The followings are several timing methods 1 system on timing The timing indicator will be lightened and the indoo
61. ill fall 2 centigrades after 1 hour s operation and will fall 2 centigrades 1 hours later 3 hours after the preceding operations the set temperature will be raised for 1 centigrade and the system will keep this status for 3 hours and then close down 2 3 During the dormant time except the change of the system mode or a new press on the dormant setting keys the timing of the 8 hours dormancy will take the first timing as the start time any presses on other keys will not affect the original timing 2 4 Indoor fan control under the dormant operation If the indoor fan is at the high speed before the dormant operation setting the speed will be turned to medium after the setting If the fan is at the medium speed before the dormant setting the speed will be turned to low after the setting If the fan is at the low speed before the dormant setting the speed will not change 18 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 5 1 10 Urgent on off input Press the urgency button the buzzer will ring The system will enter the automatic mode if you don t press the button for more than 5 seconds Under the system off mode if you press the urgency key for 5 to 10 seconds the system will start the test operation Under the system off mode If you press the urgency key for 10 to 15 seconds the display screen will show the resume of the last malfunction If the system is under operation the press on the urgency ke
62. inboard of the outdoor unit is and needs replacing damaged and needs replacing 53 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 7 3 5 IPM protection Outdoor display LED1 flash 2 times Method of IPM protection is detected by checking the compressor running condition and so on Malfunction Detection Malfunction m The system leads to IPM protection due to over current Decision m The compressor faulty leads to IPM protection Conditions B circuit component of IPM is broken and led to IPM protection Supposed R IPM protection dues to the compressor faulty Causes R IPM protection dues to faulty PCB of IPM module Compressor wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Electrify the machine again and turn it on with the remote controller lf malfunctions IPM Module is damaged and are reported before or upon the needs replacing compressor being started up Malfunction unsolved The compressor is started normally but malfunctions are reported after it has run for some time 1 The system may have been over or under charged with gas which can be judged through the pressure of the measuring system 2 The shaft of compressor is seized and the compressor needs replacing 54 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM 7 3 6 Over curr
63. ion Malfunction Activated when the temperature being sensed by the heat exchanger Decision rises above 65 C twices in 30 minutes Conditions Supposed m Faulty electronic expansion valve Causes a Dirty heat exchanger H Faulty heat exchange sensor H Insufficient gas Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Electrify the machine again and turn it on with the remote controller check whether the wind temperature is below 65 C 1 Check room temperature and the malfunction is reported pipe temperature sensor after the marning has run 2 the temperature monitoring circuit for some time of the indoor mainboard the indoor unit blows poorly 1 Clean the filters due to blocked filters or poor 2 Reinstall the fan condition of the fan Use some tools to measure the pressure of system 63 aler Domestic air conditioner
64. liance which are affected by the environment but also the maximum ability limitation of the system When the starting ability is not the maximum its maximum frequency limitation is calculated by the following equations The frequency limitation which is affected by the temperature and under the condition of actual ability the actural running system ability the maximum frequency which is limited by the temperature and under the condition of maximum ability the maximum designing ability of the system AT X CATI PD IP ability of the indoor unit Refrigeration dehumidification A Ti Tst_i Tnh_i the indoor environment temperature Pi i the AT lt 1 2 3 SS The percentage of 50 70 100 120 140 the rated frequency P Heating mode AT lt 1 1 2 3 gt 4 The percentage of the 50 70 100 130 180 rated frequency P K Ki the number of running machines The indoor set Breeze Low Medium High Strong Quiet Healthy airflow speed airflow The percentage 70 80 90 100 120 70 70 of the rated frequency Ki 23 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams The calculation of the actual output frequency when there is no healthy airflow F F ED x P XK When the healthy airflow has been set F F ED xP XK airflow speed XK healthy airflow When refriger
65. n t output for 0 5 second the motor fully output again for 0 5 second The test program finishes 5 1 20 Time cutting function connect the test program terminal on the mainboard after connecting the system to the power circuit The CPU of the main control will be 60 times faster 5 2 The control system of outdoor unit 5 2 1 The operation frequency of outdoor unit and its control 5 2 1 1 The operation frequency control of compressor The operation frequency scope of compressor Mode Minimun operation frequency Maximun operation frequency Heating 20Hz 120Hz Refrigeration 20 Hz 80Hz 5 2 1 2 The starting of compressor When the compressor is started for the first time it must be kept under the conditions of 58Hz 88Hz for one minute the overheating protection of the outdoor unit air blowing temperature immediately decrease the frequency when the compressor is overflowing and releasing the pressure then it can be operated towards the target frequency When the machine runs normally there s no such process After starting the compressor for operation the compressor should run according to the calculated frequency and every determined frequency for protection should be prior to the calculated frequency 5 2 1 3 The speeds of increasing or decreasing the frequency of the compressor The speed of increasing or decreasing the frequency rapidly 1 1HZ second The speed of increasing or decreasing the
66. nector of the thermistor on the PCB and measure the resistance of thermistor using tester The relationship Thermistor resistance check method between normal temperature and resistance is shown in the value of indoor thermistor 50 aler Domestic air conditioner 7 3 2 EEPROM abnormal Indoor Display E4 indoor EEPROM error Indoor display F12 Outdoor EEPROM error Outdoor LED flash 1 times Method of The Data detected by the EEPROM areused to determine MCU Malfunction Detection Malfunction when the data of EEPROM iserroror the EEPROM is damaged Decision Conditions Supposed E Faulty EEPROM data Causes R Faulty EEPROM R Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Replace the indoor or outdoor mainboard 7 3 3 Indoor AC fan motor malfunction Indoor Display E14 Method of The rotation speed detected by the Hall IC during fan motor operation is used to determine Malfunction abnormal fan motor operation Detection Malfunction when the detected rotation feedback singal don t receiced in 2 minutes Decision Conditions Supposed m Operation halt due to breaking of wire inside the fan motor Causes H Fan motor overheat protection R Operation halt due to breaking of the fan motor lead wires R Detection error due to faulty indoor unit PCB Troubleshooting Caution Be sure to turn off power switch befor
67. ng and seal on the installation frame properly If the packing and seal are not l l integra installed properly water can enter the room and wet the furniture and floor S units only 1 1 3 Inspection after Repair Warning all the way If the plug has dust or loose connection it can cause an electrical shock or fire Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet 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 Warning 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 Domestic Air Conditioner Haier 2HUM18HC03 R2 DB SM Introduction Caution Check to see if the parts and wires are mounted and connected properly and if the connections at the soldered or crimped terminals are secure Improper installation and connections can cause excessive heat generation fire or an electrical shock If the 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 Improp
68. ns 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 an 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 1 1 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 equipment If the re
69. oard needs malfunction occurs again after a dedust while Check whether the linking cable 1 Reconnect the linking cable between the indoor and outdoor is well 2 Replace the linking cable with new connected or whether its core wires are lone well insulated 60 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams A Check the indoor mainboard Yes measure the voltage between Jumpers 3 and 4 of IC1 on the indoor mainboard with a multimeter Test the outdoor power supply 230VAC land 310VDC with a multimeter If the voltage is of a constant value of OV DCto5V DC If 230VAC is available but 310DC not he power module is damaged replace it If both 230VAC and 310DC are NO F S The indoor mainboard is damaged replace available measure 12V from7805 NO it with a new one is available The outdoor mainboard is damaged Replace them with a new one YES measure the AC voltage between positions 1 land 3 on the terminal of outdoor unit with a If the value is constant at about 30V the multimeter indoor mainboard is damaged replace it with a new one If the value varies between 0 and 80 VAC the The outdoor mainboard is damaged replace loutdoor mainboard is damaged replace it it with a new one ith a new one 61 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 7
70. operation stops Approx 6hrs Temp setting Unit stop In COOL DRY mode 2 In HEAT mode 1 hours after SLEEP mode starts temp will become 2 C lower than temp setting After another 1 hours temp decrease by 2 C futher After more another 3 hours temp rises by 1 C futher The unit will run for further 3 hours then stops Temp is lower than temp setting so that room temperature won t be too high for your sleep E Temp setting Unit stop SLEEP SLEEP operation starts operation stops In HEAT mode 3 In AUTO mode The unit operaters in corresponding sleep mode adapted to the automatically selected operation mode 43 4 In FAN mode It has no SLEEP function 5 Set the wind speed change when sleeping If the wind speed is high or middle before setting for the sleep set for lowing the wind speed after sleeping If it is low wind no change Note 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 m OER ee 1 POWER Operation When you need rapid heating or cooling you can use this function In COOL mode fan speed automatically takes high speed of AUTO fan mode In HEAT mode fan speed automatically takes medial speed of AUTO fan mode 2 SOFT Operation You can use this function when silence is needed for rest or readin
71. or 3 minutes The malfunction will be stored in the malfunction resume and will not be revealed 5 1 12 High load protection control The outdoor system will be stopped if the coil temperature is above 65 C for 2 minutes The indoor fan will be controlled by the thermostat The outdoor system can be restarted when the coil temperature is below 42 C and the system has been stopped for 3 minutes The malfunction will be stored in the malfunction resume and will not be revealed 19 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 5 1 13 abnormal operation of indoor system When the outdoor system operates if the indoor system operation differs from the outdoor system the abnormal operation malfunction will be reported 10s after the report the indoor system will be closed Outdoor system mode Indoor system mode conflicts cooling heating yes cooling cooling no cooling airflow no heating heating no heating airflow yes heating cooling yes 5 1 14 Malfunction list resume Nothing is presented if there is no code list The malfunction display will automatically finish in 10 seconds The remote control only receives the sigals for stop According to the signals the malfunction resume presentation finishes The resume restores after the power supply restores 5 1 15 abnormality confirmation approaches 1 indoor temperature sensor abnormality under the operation the normal temperature ranges from 120 d
72. or system However it has to send signals to the outdoor system Quitting condition This mode can be quitted after receiving the quitting signal from the remote control or urgency system The indoor system thus can quit the single operation mode Power cut compensation Entering condition Press dormant button 10 times within 7 second the buzzer will ring 4 times and the present system status will be stored into the EEPROM of the indoor system After entering the power cut compensation mode the processing of the indoor system should be as the followings Remote control urgency singal operate according to the remote control and the urgent conditions the present status will be stored into the EEPROM of the indoor system Quitting conditions Press dormant button 10 times within 7 seconds and the buzzer will ring twice 5 1 18 Fixed frequency operation 1 Fixed cooling a under G code condition high speed cooling set 16 C press temperature key and the set key at the same time The system will enter the fixed frequency operation after the buzzer rings twice b The proceeding programs are as the follows Entering the fixed frequency operation you can set the fixed strength location 1 and send the coolng signal to the outdoor system Meanwhile you can fix the indoor system at high speed mode the location of the airflow directin board can be switched to the maximal position c Quitting condition The fixed frequency coolin
73. ote controller unit starts 2 Select temp setting Press TEMP TEMP button TEMP Every time the button is pressed temp setting increase 1 C if kept depressed it will increase rapidly TEMP Every time the button is pressed temp setting decrease 1 C if kept depressed it will decrease rapidly Select a desired temperature 3 Fan speed selection Press FAN button For each press fan speed changes as follows Remote controller ggf antl LOW MED HI 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 Operation Remote Mode Controller AUTO Under the mode of auto operation air conditioner will automatically select Cool or Heat operation according to room temperature When FAN is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature Z In DRY mode when room temperature becomes lower than temp setting 2 C unit will run DRY intermittently at LOW speed regardless of FAN setting In HEAT mode warm air will blow out after a short B Emergency operation and test operation Emergency Operation e Use this operation only when the remote controller is defective or lost and with function of emergency running air conditoner can run automatically for a while e When the emergency operation switch is pressed the Pi sound is hear
74. ove the battery cover 2 2 Load the batteries as illustrated 2 R 03 batteries resetting key a cylinder 3 Be sure that the loading is in line with the VT 4 Load the battery then put on the cover again Ss SS GER Note OUTLET CONNECTING RIEING AND ELECTRICAL WIRING The distance between the signal transmission head and the rece INLET DRAIN HOSE iver hole should be within 7m without any obstacle as well When electronic sta rted type fluorescent lamp or change over type fluorescent lamp or wireless telephone is installed in the Please be subject to the actual produce purchased the room the recei ver is apt to be disturbed in receiving the signals ET EE referenc so the distance to the indoor unit should be shorter H J you Full display or unclear display during operation indicates the batteries have been used up Please change batteries f the remote controller can trun normally during operation please remove the batteries and reload several minutes later Hint Remove the batteries in case won t be in use for a long period If there is any display after taking out just press reset key 41 Haier Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Introduction Operation W Base Operation em Q Cool E HEAT prv TEMP SS TZ fan O O G Lock Ve RESET 1 Unit start Press ON OFF on the rem
75. r proof mode If Tr gt Ts the outdoor system is turned off the indoor fan will be at the heat residue sending mode If Tr lt Ts the outdoor system will be turned on again the indoor fan will be at the cold air proof mode Indoor fan control manual control You can choose high medium low and automatic speed control Automatic When Tr lt Ts high speed When Ts lt Tr lt Ts 2 C medium speed When Tr gt Ts 2 C low speed When the airflow speed has no delay from the high to low switching the speed should be delayed for 3 minutes remain at high speed for 3 minutes before the next switch Airgate location control the location for the airgate can be set according to your needs Coldair proof operation 1 The indoor operation within 4 minutes after the start up is as the following diagram the air speed can be raised only after the speed has reached a certain level Set speed Heat start temp 1 Low speed Keep the high Heat start t 2 eat start temp speed The fan Light speed Heat start temp 3 doesn t stop Heat start temp 4 Fan off 2 4 minutes after the start up of the indoor fan the light airflow and the low airflow will be turned to the set speed airflow 3 In the cold air proof operation the fan won t stop after the start up 4 During the cold air proof operation the indoor system will continuously send indoor high speed signals to the outdoor system Residue heat sending The indoor fan
76. r system is under the 17 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams waiting mode The light will be turned off when the timing is finished and the rest of the system will operate under a normal condition The timing starts since the last reception of the timing singal You can have the dormacy setting under the timing mode the order of your settings will be operated according to the timing settings 2 system off timing When the system is turned on the timing indicator is lightened the rest of the system will operated under a normal condition When set time comes the indicator light will be turned off and the system will be turned off If you have set the dormant functions the order of your settings will be operated according to the timing settings 3 system on and off timing The settings will be completed according to the orders 5 1 9 Dormant operation The dormant timing is an eight hours unadaptable one The timing signs are shown on the V series board RC series show the dormant signal the timing light is lighted on the 6 lights board 2 1 Under the cooling demoisture operation after the setting of the dormant operation the set temperature will be raised for 1 centigrade after 1 hour s operation and will be raised for 1 centigrade 1 hour later The system will keep this status for 6 hours and then close 2 2 Under the heating mode after the setting of the dormant operation the et temperature w
77. rol features When Tr Cinput airflow gt Ts set temperature C the compressor will be opened the indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system When Tr Cinput airflow lt Ts set temperature C the compressor will be opened the indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system The system will keep the original status if Tr Ts Airflow speed control temperature difference 1 C Automatic When Tr gt Ts 3 C high speed When Ts 1 C lt Tr lt Ts 3 C medium speed When Tr lt Ts 1 C low speed When the sensor is off low speed When the airflow speed has no delay from the high to low switching the speed should be delayed for 3 minutes remain at high speed for 3 minutes before the next switch 14 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams Manus When the system is operating you can set the high medium or low speed manually When the sensor is on or off the system will change the speed 2 seconds after receiving the signal Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the frosting on the indoor heat exchanger when cooling or demoisture When the compressor works continuously for 1 6 minutes adaptable in EEPROM and the temperature of the indoor coils has been below zero centigrade for 10 seconds the compressor will be
78. s up Then the system will operate according to the chosen mode In the following conditions Tr stands for indoor temperature and Ts stands for outdoor temperature The system will choose the operation mode according to the following conditions when entering into the automatic operation option for the first time Tr Ts 3 C Choose the cooling mode Tr lt Ts 3 C Choose the warming mode Under the automatic option the system will switch between the cooling and warming modes according to the change of the indoor temperature If the air conditionic is under the cooling mode when the preset temperature for stopping the compressor is reached the compressor will be stopped The indoor temperature will be tested again 15 minutes after the stop of the compressor At the moment if the tested temperature is under the Tr lt Ts 3 C condition the system will be switched into the warming mode If not the system will remain in the cooling mode If the air conditionic is under the warming mode when the preset temperature for stopping the compressor is reached the compressor will be stopped The indoor temperature will be tested again 15 minutes after the stop of the compressor At the moment if the tested temperature is under the Tr gt Ts 3 C condition the system will be switched into the cooling mode If not the system will remain in the warming mode Cooling operation mode Temperature control range 16 C 30 C Temperature difference 1 C Cont
79. t to fall resulting integral in injury units only l l l l l For Be sure to install the product securely in the installation frame mounted on a window frame l SE l E integral If the unit is not securely mounted it can fall and cause injury l units only 2 aler Domestic Air Conditioner Haier 2HUM18HC03 R2 DB SM Introduction Warning Be sure to use an exclusive power circuit for the equipment and follow the technical standards related to the electrical equipment the internal wiring regulations and the instruction manual for installation when conducting electrical work Insufficient 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
80. ter correctly so that the FRONT indication is facing to the front Make sure that the filter is ch completely fixed behind the stopper H the right es and left filters are not attached correctly that K OFF S may cause defects 5 Close the inlet grille 1 Open the Inlet Grille i 4 Attach the standard air filter Prop up the inlet grille by using a Necessary installation small device named grille support J fe which located in the right side of the indoor unit ATTENTION The white side of the photocatalyst air purifying filter 2 Detach the standard air filter face outside and the black side face the unit The green P d side of the bacteria killing medium air purifying filter face ae e an soniy Sa outside and the white side face the unit 5 Close the Inlet Grille Close the Grille surely NOTE e The photocatalyst air purifying filter will be solarized in fixed time In normal family it will be solarized every 6 months EION lela Detach old Air Purifying Filter e The bacteria killing medium air purifying filter will be used for a long time no need for replacement But in the period of using them you should remove the dust frequently by 3 Attach Air Purifying Filter using vacuum cleaner or flaping them lightly otherwise its performance will be affected Put air purifying filter appliances into the GIN P right and left fil
81. ter frames LIO ii 6 Please keep the bacteria killing medium air purifying filter in Ze the cool and dry conditions avoid long time directly sunshine when you stop using it or its ability of sterilization will be reduced 45 Haier Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Introduction Cautions AA WARNING 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 A WARNING When abnormality such as burnt small found Use an exclusive Check proper immediately stop the operation button and power source installation of the contact sales shop with a circuit drainage securely Q breaker q OFF STRICT Q STRICT ENFORCEMENT ENFORCEMENT Connect power supply cord Use the proper voltage 1 Do not use power supply cord extended to the outlet completely or connected in halfway 2 Do not install in the place where there is any possibility of inflammable gas leakage around the unit 3 Do not get the unit exposed STRICT STRICT to vapor or oil steam ENFORCEMENT ENFORCEMENT PROHIBITION Do not use power supply Take care not to damage Do not insert objects into the air cord in a bundle the power supply cord inlet or outlet ei D e PROHIBITION D f _ PROHIBITION WW Do not start or stop the Do not channel the air
82. tion or there may be leakage in the piping the temperature exceeds tem 110C shortly after the SEH machine starts up 2 There may be other causes to make the exhaust temperature too high Malfunctions occur after running for some time even though the measured temperature is below 110 C Pull out the exhaust sensor and measure its resistance at standard temperatures according to the resistance temperature table The sensor is damaged Replace the sensor the results deviate with a new one much The outdoor mainboard is damaged and needs be replaced 59 aler Domestic air conditioner Haier 2HUM18HC03 R2 DB SM Wiring diagrams 7 3 10 The communication fault between indoor and outdoor Indoor display E7 outdoor display LED1 flash 15 times Method of Communication is detected by checking the indoor PCB and the outdoor PCB Malfunction Detection Malfunction m The outdoor PCB broken leads to communication fault Decision m The indoor PCB broken leads to communication fault Conditions Supposed Communication wiring disconnected Causes m The indoor PCB is broken R The outdoor PCB is broken R The Module PCB is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred The outdoor mainboard needs Restart the a c and it idehumidification becomes normally If starting up normally but The outdoor mainb
83. y will stop it Under the system off mode the display screen will show automatic running sign Under the system off mode the system will not receive the remote control signal if the press on the urgency key doesn t last for 15 seconds or if the key is loosened Urgency operation If you press the urgency key for less than 5 seconds the buzzer will ring when you press the on off key The system will enter the urgency operation when the urgency key is loosened The urgency operation is fully automatic Test operation The inlet temperature sensor doesn t work the indoor fan and the indoor air direction board motor works synchronically High speed airflow cooling outdoor system on etc will send the ambient temperature 30 centigrade and coil temperature 16 centigrade information to the outdoor system Test operation The defrost protection of the evaporator doesn t work The temperature control doesn t work The test operation will be finished in 30 minutes The test operation can be stopped by the relative commands from the remote control 5 1 11 Low load protection control In order to prevent the frosting of the indoor heat interaction device the outdoor system will be stopped if the indoor heat interaction temperature is below zero centigrade for 5 minutes but the fan will continue to operate The outdoor system will be started again when the heat interaction temperature is above 7 centigrade and the system has been stopped f

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