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2U14CS1ERA-SM

Service diagnosis

Domestic Air Conditioner

7.4.1

Thermistor or Related Abnormality

Indoor Display E1: Room temperature sensor failure

E2: Heat-exchange sensor failure

outdoor display LED1 flash 10 times

Frost-removing temperature sensor failure

LED1 flash 11 times

Suction temperature 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

Faulty connector connection

Causes

Faulty thermistor

Faulty PCB

Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or else parts

damage may be occurred.

Thermistor resistance check method:

Remove the connector of the thermistor on the PCB, and measure the resistance of thermistor using tester.The relationship

between normal temperature and resistance is shown in the value of indoor thermistor.

Thermistor resistance check

Is it normal?

Yes

Is it normal?

Check the connector onnection.

Replace the thermistor

Replace the indoor unit PCB

Correct the connection

Содержание 2U14CS1ERA

Страница 1: ...o 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 WARNING Wall mounted Type DC Inverter Model No AS0...

Страница 2: ...l Flap 9 9 1 9 2 9 3 90 88 n a p Drain 89 Vertical Blades and Swing Motor 91 93 9 4 9 5 9 6 9 7 9 8 5 3 22 5 2 83 Removal of Front panel Removal of Air Filter of indoor unit main function and control specification of outdoor unit 2U14CS1ERA SM ...

Страница 3: ... rules of Unit Model 112 9 11 Removal of Fan and Fan Motor 100 2U14CS2ERA SM 9 13 Removal of Compressor and Heat Exhange 104 9 10 Removal of Electrical Box 99 9 12 Removal of Fan motor bracket and partition 102 9 9 Removal of Outdoor panel 95 ...

Страница 4: ...efore 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 refrigerant gas discharges during the repair work do not touch the discharging refrigerant...

Страница 5: ... welder in an enclosed room can cause oxygen deficiency 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 equi...

Страница 6: ... rules of Unit Model 112 9 11 Removal of Fan and Fan Motor 100 2U14CS1ERA SM 9 13 Removal of Compressor and Heat Exhange 104 9 10 Removal of Electrical Box 99 9 12 Removal of Fan motor bracket and partition 102 9 9 Removal of Outdoor panel 95 ...

Страница 7: ...r extension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire 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 ...

Страница 8: ...e it Corroded installation platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 M ohm or higher Faulty insulation can cause an electrical shock Be sure to check t...

Страница 9: ...HI AUTO Constant temperature dehumidification Avoid the child s wrong operation on the remote controller Sleep mode Catches most small particles and remove unpleasant odors effectively With twin blade technology the airflow can be adjusted not to blow directly The 3D airflow is able to deliver the airflow horizontally and vertically Use the timer function to set on or off or from on to off or from...

Страница 10: ...5 5 0 8 8 11 3 4 4 2 1 2 5 8 3612 1032 4988 7 4 9 5 0 2 8 30 double 20 single 20 15 20 360X871X304 3 Specification 3956 1290 4300 9 52 265 795 187 2U14CS1ERA 9 12 K 2U14CS1ERA SM 7 5 8 0 7K 9K 6 6 7 2 7K 9K 5 7 6 4 7K 9K 38 34 30 7K 9K 39 36 32 12K 48 49 8 3 8 8 12K 7 2 7 8 12K 6 1 6 6 12K 95 95 ...

Страница 11: ...0 48 R410a 1 2 35 1236 35 1236 41 38 51 540x780x270 612X905X375 1070 1090 4 9 5 0 51 40 61 61 855 ESTER OIL VG74 5 2U14CS1ERA SM DA108X1C 20FZ3 6 2U14CS1ERA ...

Страница 12: ...r L 6 CN32 Connector for display board 7 C0N6 C0N8 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...

Страница 13: ...2U14CS1ERA SM Connector wiring diagram 10 Domestic Air Conditioner PCB 1 CN11 CN32 CN1 CN26 CN27 SW1 CON2 CON1 CON8 CON7 CON6 CN34 CN20 ...

Страница 14: ...28 CN25 Connector to P and N of the module board 10 CN36 Connector for communicate between indoor and outdoor unit 11 CN15ǃCN16 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 CN1 N CN5 Connector for CN28 CN25 on the control board LO CN6 LI CN7 Co...

Страница 15: ...2U14CS1ERA SM Connector wiring diagram 12 Domestic Air Conditioner PCB 1 CN36 CN17 CN28 CN23 CN18 CN16 CN9 CN8 CN10 CN3 CN11 CN15 CN24 CN25 CN19 CN20 CN21 CN1 CN2 CN47 CN49 CN45 ...

Страница 16: ...2U14CS1ERA SM Connector wiring diagram 13 Domestic Air Conditioner PCB 2 CN1 CN5 CN6 CN7 CN10 CN11 CN8 CN9 CN2 CN3 CN4 ...

Страница 17: ...s under the Tr Ts 3ć 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 temper...

Страница 18: ...t low speed When Tr 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 f1ć difference Wind speed control Automatic When Tr Ts 5ć high speed When Ts 3ćdTr Ts 5ć medium speed When Ts 2ćdTr Ts 3ć low speed When Tr Ts 2ć light speed If the outdoor fan stopped the indoor fan will be paused for 3 minute...

Страница 19: ...gh speed When Ts Tr Ts 2ć medium speed When Tr Ts 2ć low speed When the airflow speed has no delay from the high to low switching the speed should be delayed for 3 minutes 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 is as the following diagram the ai...

Страница 20: ... 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 5 1 8 Timing You can set 24 hours o...

Страница 21: ...ades 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 timin...

Страница 22: ...e 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...

Страница 23: ...ge 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...

Страница 24: ...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 cooling can be quitted after receiving the remote signal and the system will enter the remote setting status 2 Fixed heating a und...

Страница 25: ...t color will be shown The lighting key of the control board can turn on or off the display 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 34Hz 96Hz Refrigeration 34 Hz 72Hz 5 2 1 ...

Страница 26: ...the compressor ˢˉ INˉ is the minimum operation frequency of the compressor 1 ǃThe frequency limitation which is affected by the environment temperature Heating mode Serial No Temperature scope Frequency limitation 1 Wh_c 12 Max_hz8 96 HZ 2 Wh_c 8 Max_hz7 96 HZ 3 Wh_c 2 Max_h z4 96 HZ 4 Wh_c 5 Max_hz5 96 HZ 5 5 Twh 12 Max_hz1 85HZ 6 12 Twh 18 Max_hz2 56 HZ 7 18 Twh Max_hz6 44HZ Remarks the above ar...

Страница 27: ...Ti Pi ěPi Ti Tst_i Tnh_i the indoor environment temperature Pi i the ability of the indoor unit Refrigeration dehumidification Heating mode K ěKi the number of running machines The calculation of the actual output frequency when there is no healthy airflow F F ED hPhK When the healthy airflow has been set F F ED hPhK airflow speed hK healthy airflow When refrigerating it is needed to satisfy ˢˉ IN...

Страница 28: ... 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 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 val...

Страница 29: ...ng the frequency 1HZ 10second 90 Increasing the frequency 1HZ 1second TTC 110 lasts for 20 seconds Overheating protection of air blowing alarm malfunction to the indoor others don t last 5 2 5 2 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 ...

Страница 30: ...otection 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 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 curr...

Страница 31: ...than 3 minutes the compressor recovers 5 2 5 8 Temperature protection of the outdoor refrigerating coil When the defrosting temperature and the sensor s temperature are higher than 65ć the frequency of the compressor decreases 1hz 10seconds Keep the frequency until it decreases to the lowest frequency When the temperatures are lower than 65ć and higher than 60ć keep the frequency of the compressor...

Страница 32: ... 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 senso...

Страница 33: ...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 ...

Страница 34: ...500 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 ...

Страница 35: ... 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 ...

Страница 36: ...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...

Страница 37: ...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...

Страница 38: ...516 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 ...

Страница 39: ...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 R80ć 50K f3 B25 80ć 4450Kf3 Temp ć Max Kȍ Normal Kȍ Min Kȍ Tolerance ć 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 369...

Страница 40: ... 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 ...

Страница 41: ...7 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 110 861...

Страница 42: ...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 48 100 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...

Страница 43: ...0 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 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...

Страница 44: ...41 2U14CS1ERA SM ...

Страница 45: ...ay SLEEP display Ambient temp display When receiving the remote control signal display the set displayed and this room time the room temperature is temperature and in the rest temperature is only for reference Note to the power failure resume press the sleep button ten times in five seconds and enter function after hearing four sounds And press the sleep button ten times within five seconds and le...

Страница 46: ...rature When FAN is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature In FAN operation mode the unit will not operate in COOL or HEAT mode but only in FAN mode AUTO is not available in FAN mode And temp setting is disabled In FAN mode sleep operation is not available Emergency Operation Use this operation only when the remote controller is defective o...

Страница 47: ...too low for your sleep 1 hours after SLEEP mode starts temp will become 2 lower than temp setting After another 1 hours temp decrease by 2 rises by 1 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 The unit operaters in corresponding sleep mode adapted to the automatically selected operation mode O C ...

Страница 48: ...T USED 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 conditioning system treatment of the refrigerant of oil and of other part must be done by a qualified installer in accordance with relevant local and national legislation Air conditioners must be treated at a specia...

Страница 49: ... easily where piping can be conne cted with the outdoor unit Place where cold air can be spread in a room entirely Place nearby a power receptacle with enough space around Place where the distance of more than lm from televisions radios wireless apparatuses and ﬂuorescent lamps can be left In the case of ﬁxing the remote controller on a wall place where the indoor unit can receive signals when the...

Страница 50: ...nstallation of the Indoor Unit Rear piping Draw pipes and the drain hose then fasten them with the adhesive tape Left Left rear piping In case of left side piping cut away with a nipper the lid for left piping In case of left rear piping bend the pipes according to the piping direction to the mark of hole for left rear piping which is marked on heat insulation materials 1 Insert the drain hose int...

Страница 51: ...rce Installation Cutting and Flaring Work of Piping Flare tool for R410A Conventional ﬂare tool Clutch type clutch type Rigid type Wing nut type Imperial type A 0 0 5mm 1 0 1 5mm 1 5 2 0mm rth leakage breaker Lean Damage of ﬂare Partial Too outside Correct Incorrect On Drainage It becomes high midway The gap with the ground is too small There is the bad smell from a ditch It waves The end is imm e...

Страница 52: ...ocated in the right side of the indoor unit using vacuum cleaner or flaping them lightly otherwise its performance will be affected the cool and dry conditions For Smart Use of The Air Conditioner Replacement of Air Purifying Filter The white side of the photocatalyst air purifying filter face outside and the black side face the unit The green side of the bacteria killing medium air purifying filt...

Страница 53: ...CT STRICT ENFORCEMENT PROHIBITION PROHIBITION PROHIBITION PROHIBITION Do not start or stop the operation by disconnecting Do not channel the air flow directly at people especially at infants or the aged Do not try to repair or reconstruct by yourself Do not use for the purpose of storage of food art work precise equipment breeding or cultivation CAUTION Take fresh air occasionally especially when ...

Страница 54: ...diately until 3 minutes have Cautions 3 If the fuse of indoor unit on PC board is it with the type of T 3 15A 250V outdoor broken change it with the type of T 25A 250V Do not obstruct or cover the ventilation conditoner Do not put fingers inlet outlet and swing louver Do not allow children to play with the air conditioner case should children be allowed to sit on the outdoor unit The refrigerating...

Страница 55: ...s supplied Check the indoor PCB Check to make sure that the indoor PCB is broken Operation sometimes stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation Equipment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve Set the units to cooling operation and compare the temperatures of ...

Страница 56: ...o r r e M O R P E E r o o d t u O 1 F1 2 58 e g a P M P I f o n o i t c e t o r p e h T F22 3 Overcurrent protection of AC electricity for the outdoor model Page 59 F3 4 Communication fault between the IPM and outdoor PCB Page 60 F19 6 Power voltage is too high or low Page 61 F4 8 Overheat protection for exhaust temperature Page 62 F21 10 Frost removing temperature sensor failure Page 54 F6 12 Amb...

Страница 57: ...stor input is more than 4 92V or less than 0 08V during compressor Decision operation Conditions z Note The values vary slightly in some models Supposed Ŷ Faulty connector connection Causes Ŷ Faulty thermistor Ŷ Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Thermistor resistance check method Remove th...

Страница 58: ...e Data detected by the EEPROM are used to determine MCU Malfunction Detection Malfunction when the data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed Ƶ Faulty EEPROM data Causes Ƶ Faulty EEPROM Ƶ 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 mainboar...

Страница 59: ...rror due to faulty indoor unit PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Check whether terminals on indoor pcb is well Electrify the machine again and turn it on in the cooling operation Measure voltage between the positions 1and 3 of Terminal CN2 on the indoor PCB the voltage is about 90 220vac check wh...

Страница 60: ...er check whether motor can run Yes Measure the voltage between 3 and 6 of the terminal about 0 5v Is it normal N0 the motor of the outdoor unit is damaged and needs replacing 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 terminal about 1 6v NO ...

Страница 61: ...tion dues to faulty PCB of IPM module ƵCompressor 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 If malfunctions are reported before or upon the compressor being started up IPM Module is damaged and needs replacing 1ᇬThe sys...

Страница 62: ...ssor 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 Ŷ Faulty IPM Module Causes Ŷ Faulty compressor Ƶ Faulty power supply Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred ...

Страница 63: ...oken Ƶ Communication 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 If malfunctions are reported before or upon the compressor being started up IPM Module is damaged and needs replacing Repair the power supply the system may...

Страница 64: ...ly voltage not as specified Causes Ŷ the IPM module is broken Ƶ the outdoor PCB is broken 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 Are they good Electrify the machine again and turn it on Check whether the voltage between 1 and 2 of Terminal CN23 is about DC5V Check whether the voltage bet...

Страница 65: ... temperature is above 110ć Decision Conditions Supposed Ŷ Electronic expansion valve defective Causes Ŷ Faulty thermistor Ƶ Faulty PCB 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 Is it ok Yes ...

Страница 66: ... been leaked during installation or there may be leakage in the piping system 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 110ć Pull out the exhaust sensor and measure its resistance at standard temperatures according to the resistance temperature table the results deviate much The ...

Страница 67: ...ing disconnected Causes Ŷ The indoor PCB is broken Ƶ The outdoor PCB is broken Ƶ 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 NO A Yes NO Yes No YES Restart the a c and it becomes normally If starting up normally but malfunction occurs again after a while Check whether the linking cable...

Страница 68: ...power measure the AC voltage between positions 1 and 3 on the terminal of outdoor unit with a multimeter If 230VAC is available but 310DC not the power module is damaged replace it with a new one Test the outdoor power supply 230VAC and 310VDC with a multimeter The outdoor mainboard is damaged replace it with a new one The indoor mainboard is damaged replace it with a new one If the value varies b...

Страница 69: ...ompressor Ƶ 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 the remote controller check whether the compressor can stard up 1 The wiring of compressor is incorrect or the connection is poor 2 The compressor is damaged At frist the c...

Страница 70: ... Ŷ Dirty heat exchanger Ƶ Faulty heat exchange sensor Ƶ 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 65ć the malfunction is reported after the machine has run for some time 1 ǃ Chec...

Страница 71: ...ld and 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 A contains fluorinated greenhouse gases covered by the Kyoto Protocol B factory refrigerant charge of the product see unit name plate C additional refrigerant amount charged in the ...

Страница 72: ...door Drain hose Heating insulating material Piping hole cover Fixing of outdoor unit Fix the unit to concrete or block ƽ with bolts 10mm and nuts ﬁrmly and horizontally When ﬁtting the unit to wall ƽ surface roof or rooftop ﬁx a supporter surely with nails or wires in consideration of earthquake and strong wind If vibration may affect the ƽ house ﬁx the unit by attaching a vibration proof mat The ...

Страница 73: ...70 Domestic air conditioner WARNING CAUTION Installation 2U14CS1ERA SM ...

Страница 74: ...71 Domestic air conditioner Installation 2U14CS1ERA SM ...

Страница 75: ...rigerant to charge the system Charge the unit with gas refrigerant will cause the refrigerant in the cylinder to change its composition and will lead to a drop in performance Do not use a charging cylinder The use of charging cylinder will change the composition of the refrigerant and lead to power loss Exercise special care when handling the tools An introduction of foreign objects such as dust d...

Страница 76: ... the manual and make sure that they properly drain water so as to avoid dew condensation If not installed properly they may cause water leaks and damage the furnishings Do not spray water on the air conditioners or immerse the air conditioners in water Water on the unit presents a risk of electric shock Periodically check the platform on which is placed for damage to prevent the unit from falling ...

Страница 77: ...Installation 2U14CS1ERA SM 74 Domestic air conditioner ...

Страница 78: ...Installation 2U14CS1ERA SM 75 Domestic air conditioner ...

Страница 79: ...Installation 2U14CS1ERA SM 76 Domestic air conditioner ...

Страница 80: ...NO Wind direction Air outlet Cushion rubber 4 Installation dimension Unit mm Installation 2U14CS1ERA SM 77 Domestic air conditioner ...

Страница 81: ... B1 max 20m B2 max 20m Max Elevation A1 max 15m A2 max 15m In case the pipe total length B1 B2 is more than 20m the refrigerant should be charged according to 20 g m B Outdoor unit Indoor unit A1 B1 Indoor unit A2 B2 Outdoor unit Indoor unit B1 Indoor unit B2 Outdoor unit Indoor unit Oil trap A3 A3 max 15m B1 B2 max 30m Outdoor unit Indoor unit A1 B1 Indoor unit A2 B2 CAUTION Indoor unit Be carefu...

Страница 82: ...Installation 2U14CS1ERA SM 79 Domestic air conditioner ...

Страница 83: ...d refrigerant into air conditioner according to the amount marked on the name plate Please do not let other cooling medium except speciﬁed one R410A or air ƽ enter into the cooling circulation system Otherwise there will be abnormal high pressure in the system to make it crack and lead to personal injuries Each indoor unit musts to be vacuumed according to the above steps ƽ ƽ Installation 2U14CS1E...

Страница 84: ...ing Power cable 3G2 5mm2 4G0 75mm 2 C 3 N 1 L 2 C 3 N 1 L 2 Outdoor unit A Outdoor unit B POWER To Indoor unit A To Indoor unit B DOUBLE DOUBLE 14K Outdoor unit A Outdoor unit B POWER To Indoor unit A To Indoor unit B 18K Installation 2U14CS1ERA SM 81 Domestic air conditioner ...

Страница 85: ...ne Qingdao 266101 P R China Contacts TEL 86 532 8893 6943 FAX 86 532 8893 1010 Website www haier com Suction temperature sensor failure When the The wiring of compressor is wrong or the connection is poor 17 16 15 m Lack of refrigerant Check if there is leakage in the unit Installation 2U14CS1ERA SM 82 Domestic air conditioner ...

Страница 86: ...83 Domestic air conditioner Removal of procedure 2U14CS1ERA SM ...

Страница 87: ...ir conditioner Removal of procedure 2U14CS1ERA SM 2 Please embed the two during installation hooks on air filter completely into the unit Please embed the air filters into the unit along the grooves as installation ...

Страница 88: ...el Please close the panels before start the removal procedure of front grille Slide the front panel from one side to another to release each axis Open the front panel until it is on the horizontal position and then release the pivots on both sides of the unit to remove the front panel ...

Страница 89: ...86 Domestic air conditioner Removal of procedure 2U14CS1ERA SM three two HOOKS ...

Страница 90: ...87 Domestic air conditioner Removal of procedure 2U14CS1ERA SM 3 horizontal flap flap flap flap flap ...

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Страница 94: ... RI UHIULJHUDQW DXWLRQ R QRW FRQWDPLQDWH DQ JDV LQFOXGLQJ DLU RWKHU WKDQ WKH VSHFLILHG UHIULJHUDQW 5 LQWR UHIULJHUDQW F FOH RQWDPLQDWLQJ RI DLU RU RWKHU JDV FDXVHV DEQRUPDO KLJK SUHVVXUH LQ UHIULJHUDWLQJ F FOH DQG WKLV UHVXOWV LQ SLSH EUHDNDJH RU SHUVRQDO LQMXULHV 3D DWWHQWLRQ VR WKDW WKH UHVLGXDO ZDWHU LQ WKH GUDLQ ZLOO QRW PDNH WKH IORRU ZHW Q FDVH WKDW D GUDLQ KRVH LV EXULHG LQVLGH D ZDOO UHPRY...

Страница 95: ... air conditioner Removal of procedure 2U14CS1ERA SM 77 5HOHDVH WKH KRRNV 5HOHDVH WKH KRRN IURP WKH EDFN VLGH LIW XS WKH ORZHU SDUW RI WKH IL WXUH SODWH DQG UHPRYH LW 6WHS 3URFHGXUH 3RLQWV 5HPRYH WKH KHDW H FKDQJHU ...

Страница 96: ... Domestic air conditioner Removal of procedure 2U14CS1ERA SM 8 ...

Страница 97: ... Domestic air conditioner Removal of procedure 2U14CS1ERA SM 5HPRYH WKH IDQ LIW XS WKH ULJKW SDUW RI WKH IDQ PRWRU DQG VOLGH LW WR WKH ULJKWZDUG WR UHPRYH 6WHS 3URFHGXUH 3RLQWV RRVHQ WKH PDUNHG VFUHZ ...

Страница 98: ...Domestic air conditioner Removal of procedure 2U14CS1ERA SM 9 ...

Страница 99: ... Domestic air conditioner Removal of procedure 2U14CS1ERA SM Loosen the top panel screws 1 2 Lift the top panel ...

Страница 100: ... Domestic air conditioner Removal of procedure 2U14CS1ERA SM Loosen the csrews and pull the panel ...

Страница 101: ... Domestic air conditioner Removal of procedure 2U14CS1ERA SM 2 Pull the wind circle Push the hooks first Remove the inlet grill ...

Страница 102: ...99 Domestic air conditioner Removal of procedure 2U14CS1ERA SM 10 ...

Страница 103: ... Domestic air conditioner Removal of procedure 2U14CS1ERA SM 11 ...

Страница 104: ...101 Domestic air conditioner Removal of procedure 2U14CS1ERA SM 2 Loosen the fixing screws and remove the motor ...

Страница 105: ...Domestic air conditioner Removal of procedure 2U14CS1ERA SM 102 12 ...

Страница 106: ...103 Domestic air conditioner Removal of procedure 2U14CS1ERA SM and remove the reactor Loosen the screw ...

Страница 107: ...104 Domestic air conditioner Removal of procedure 2U14CS1ERA SM 13 Loosen the marked screws and pull out the backgurd ...

Страница 108: ...105 Domestic air conditioner Removal of procedure 2U14CS1ERA SM Loosen the marked screws and remove the stop valves Loosen the marked screws and remove the stop valves bracket 2 3 ...

Страница 109: ...106 Domestic air conditioner Removal of procedure 2U14CS1ERA SM and remove the reactor Loosen the screw ...

Страница 110: ... SSHQGL 107 10 Appendix 10 1 Piping Diagrams 2U14CS1ERA SM ...

Страница 111: ...Domestic air conditioner Wring Diagram 108 10 2 Wiring Diagrams Indoor 2U14CS1ERA SM ...

Страница 112: ...6 1625 1 1 1 5 75 3 16 21 9 9 1 1 1 0 0 1 02725 1 9 9 1 287 1 1 1 287 DON T TOUCH CAPACITOR EVEN AFTER PLUG OFF DANGER OF ELECTRIC SHOCK THE CAPACITOR RETAINS HIGH VOLTAGE EVEN AFTER THE PLUG OFF FOR YOUR SAFETY BE SURE TO WAIT AT LEAST 5 MINUTES AFTER PLUG OFF AND USE A TESTER TO CONFIRM THE VOLTAGE BETWEEN CONNECTOR 1 AND 1 ON MAIN PCB BOARD IS LESS THAN DC 10V BEFORE START SERVICING OR LED2 EXT...

Страница 113: ...V 5V 1 CON1 12v R61 10K N7 2SC2412 R60 4 7K FLZ L0 R303 10K L_IN C20 0 1UF 1 CON2 R18 4 7K C18 0 1UF C5 0 1UF C7 0 1UF C12 0 1UF C13 0 01UF C14 0 01UF C15 0 001UF C23 0 01uf 50V 1 2 3 CN7 B3B EH A 1 2 3 CN2 B3P5 VH 1 2 CN12 TJC8 02 1 2 CN13 B2B XH A 1 2 3 4 CN8 S4B XH A 1 2 3 4 5 6 7 8 CN6 B8B PH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 IC4 ULN2003 D8 RLS4148 E5 100uF 16V E2 4 7uF 16V E3 4 7uF 16V 1...

Страница 114: ... 5V 5V R69 20K 1 R72 20K 1 R73 20K 1 R74 1K R76 20K 1 R70 1K R75 1K R71 1K C28 104 50V C27 104 50V C30 104 50V C29 104 50V E17 4 7U 16V E16 4 7U 16V E19 4 7U 16V E18 4 7U 16V E15 4 7U 16V E14 4 7U 16V E13 4 7U 16V XG A CG A 5V 5V XG B CG B 5V 5V 5V R59 10K 1 R58 10K 1 R57 1K R50 1K R56 1K R45 1K R44 1K C20 102 50V C19 102 50V R67 20K 1 R65 20K 1 R63 47K 1 R68 1K R66 1K R64 1K C25 104 50V C26 104 5...

Страница 115: ...latform of outdoor units C 35PCM Platform Nominal cooling capacity 7000BTU h Type of indoor unit S wall mounted Indoor unit Description of coding rules of unit model S 0 R E 11 DCInverter means9000BTU means12000BTU 7 G S A 2 A Super match range Heat pump R410 refrigerant Apply to T1 220 240V 50HZ 1ph Nominal cooling capacity 14000BTU h The maximum combination number U 1 R E DCInverter 4 C S A 1 2 ...

Страница 116: ...W Hongjin Chen Huimin Li Peng Yang Bifei The end Sincere Forever Haier Group 88936935 2U14CS1ERA SM ...

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