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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

EK

YSHC18FSAADG

YSHC24FSAADG

Summary of Contents for york YSHC18FSAADG

Page 1: ...vise 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 EK YSHC18FSAADG YSHC24FSAADG ...

Page 2: ...n functions and control specification 10 5 2 Value of thermistor 15 6 System configuration 23 6 1 System configuration 23 6 2 Instruction 24 7 Service diagnosis 31 7 1 Caution for diagnosis 31 7 2 Problem symptoms and measures 32 8 Capacity diagrams and curves diagrams 33 9 Installations 43 10 Wiring Diagrams 47 Domestic Air Conditioner YSHC18 24FSAADG ...

Page 3: ...ck cleaning of the inside of the air conditioner Anti mold filter Catches most small particles and remove unpleasant odors effectively Sleep mode The setting temperature and the indoor noise can be adjusted to a more comfortable level when you set the sleep mode during night sleep ESF filter Trap harmful dust and remove unpleasant odors effectively Auto mode According to the fixed temperature 26 t...

Page 4: ...uipment 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 gas The refrigerant gas c...

Page 5: ...welder in an enclosed room can cause oxygen deficiency 2 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 equip...

Page 6: ... 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 pum...

Page 7: ...m can cause oxygen deficiency 2 1 3 Cautions Regarding Products after Repair Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the n...

Page 8: ...le but may nevertheless be valuable to the reader such as tips and tricks Caution Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning Warning A warning is used when there is danger of personal injury Reference A reference guides the reader to other places...

Page 9: ... 9 52 15 88 25 25 4 0 5 27 5 5 1046x299x237 6 45 2010 16 5 16 5 19 5 56 56 58 58 5 18000 HZ V 60 60 220V H P 1 H P 1 3 3 5 5 7 8 1147x320x261 9 2 0 11 0 11 20 7 1233x388x364 x388x344 1126 7 5 27 18000 22000 6 45 4 0 7 8 1640 3 21 3 21 5 5 9 2 2010 18 3 20 7 22000 Specifications Domestic Air Conditioner YSHC18 24FSAADG YSHC18FSAADG YSHC24FSAADG ...

Page 10: ...8 3 26 7 19 4 23 9 5m 3413 1480 0 6 2 45 Rotary Compressor Rotary Compresso 50A452P ASH218RN R410A Axial fan 1090 410 935 948 340 840 35 NMOC Ze Gles RB68EP or equivalent NMOC Ze Gles RB68EP or equivalent Specifications 8 Domestic Air Conditioner Conversion Formulate Indoor 20 Outdoor 7 CDB 6 CDB CDB Heating YSHC18 24FSAADG ...

Page 11: ...3 CN3 connector for transformer output 4 CN5 or CN5 1 connector for up and down step motor 5 CN6 connector for ambient temp sensor and piping temp 6 CN7 connector for receiver display 7 CN8 connector for AC fan feedback motor 8 CN9 connector for AC fan motor CN8 CN7 CN5 CN5 1 CN6 CN9 CN1 CN2 Connector Writing Diagram 9 Domestic Air Conditioner YSHC18 24FSAADG ...

Page 12: ...ween cooling mode fan mode and heating mode according to the change of the indoor ambient temperature But the automatic conversion between cooling mode and heating mode must be conducted after 15 minutes 5 1 2 Indoor temperature control Temperature control range 16 30 Temperature control precision 1 Compressor can t be controlled by temperature sensor within 2 minutes after it starts 5 1 2 1 Cooli...

Page 13: ...YSHC18 24FSAADG Functions and Control 11 Domestic Air Conditioner ...

Page 14: ...YSHC18 24FSAADG Functions and Control 12 Domestic Air Conditioner ...

Page 15: ...Function and Control 13 Domestic Air Conditioner YSHC18 24FSAADG ...

Page 16: ...s up 5 1 7 1 In cooling defrosting mode the temp setting increases 1 one hour later after start up After another hour the temp setting increase by more 1 and then run continuously for another 6 hours and then close 5 1 7 2 In heating mode the temp setting decrease 2 one hour after start up After another hour the temp setting decrease by more 2 After 3 hours the temp setting rise by 1 and then run ...

Page 17: ...e the auto recovery function of power on is unavailable If there is no EEPROM the unit is taken off the off function of the memory function of power down But the memory function of power down can also be set on off and the data is the default value of chip 5 1 11 Alarm from indoor fan motor 2 minutes later after the indoor fan motor is charged and the impulse from fan motor is not detected hen sen...

Page 18: ...9853 55 3351 1 22 1 17 7 59 4984 55 9729 52 5917 1 20 1 15 8 56 3905 53 1320 50 0006 1 17 1 13 9 53 4631 50 4521 47 5523 1 15 1 11 10 50 7048 47 9230 45 2384 1 13 1 09 11 48 1049 45 5355 43 0505 1 10 1 07 12 45 6534 43 2808 40 9813 1 08 1 04 13 43 3410 41 1509 39 0236 1 05 1 02 14 41 1592 39 1381 37 1708 1 03 1 00 15 39 0998 37 2355 35 4167 1 00 0 98 16 37 1553 35 4363 33 7555 0 98 0 96 17 35 3186...

Page 19: ...64 51 7 9531 7 4280 6 9291 1 77 1 68 52 7 6489 7 1353 6 6480 1 81 1 72 53 7 3580 6 8556 6 3797 1 85 1 76 54 7 0796 6 5884 6 1237 1 90 1 79 55 6 8131 6 3329 5 8793 1 94 1 83 56 6 5581 6 0887 5 6459 1 99 1 87 57 6 3140 5 8552 5 4230 2 03 1 91 58 6 0802 5 6318 5 2100 2 07 1 95 59 5 8563 5 4181 5 0065 2 12 1 99 60 5 6417 5 2136 4 8120 2 16 2 03 61 5 4361 5 0178 4 6260 2 21 2 07 62 5 2391 4 8304 4 4481...

Page 20: ...7 3 56 97 1 6138 1 4347 1 2739 4 02 3 61 98 1 5650 1 3900 1 2331 4 08 3 66 99 1 5180 1 3470 1 1937 4 13 3 70 100 1 4726 1 3054 1 1559 4 19 3 75 101 1 4287 1 2654 1 1194 4 24 3 80 102 1 3864 1 2268 1 0842 4 30 3 84 103 1 3455 1 1895 1 0503 4 36 3 89 104 1 3060 1 1535 1 0176 4 42 3 94 105 1 2679 1 1188 0 9860 4 47 3 98 106 1 2310 1 0853 0 9556 4 53 4 03 107 1 1954 1 0529 0 9263 4 59 4 08 108 1 1610 ...

Page 21: ...565 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 7...

Page 22: ...7 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 ...

Page 23: ...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...

Page 24: ... 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...

Page 25: ...pectation 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 be...

Page 26: ...1 2 3 5 8 5 6 4 7 4 POWER SOFT button is not available for 07k 09k 12k YSHC18 24FSAADG System Configuration 24 Domestic Air Conditioner ...

Page 27: ...en the room normal operation your finger from the switch the cooling Continue to press the test operation switch for more than 5 seconds After you hear the Pi sound twice release Test operation switch is the same as emergency switch operation starts with the air flow speed Hi Emergency operation and test operation Use this operation only when the remote controller is defective or lost When the eme...

Page 28: ...other 1 hours temp rises by 1 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 1 hours after SLEEP mode starts temp will become 2 lower than temp setting After another 1 hours temp decrease by 2 futher After more another 3hours temp rises by 1 futher The unit will run for further 3 hours then stops Tem...

Page 29: ...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 adjusting by remote controller blows direct to the body 2 In heating it is better to select the 3 In cooling it is better to select the mode mode Setting of proper room temperature Close doors and windows ...

Page 30: ...purifying filter face outside and the black side face the unit The green side of the bacteria killing medium air and the white side face the unit Please keep the bacteria killing medium air purifying filter in avoid long time directly sunshine when you stop using it or its ability of sterilization will be reduced The bacteria killing medium air purifying filter will be used for a long time no need...

Page 31: ...y 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 gas appliance is running at the same time PROHIBITION STRICT ENFORCEMENT Do not operate the switch with wet hand PROHIBITION PROHIBITION PROHIBITION PROHIBITION PROHIBITION Do not install the unit near a fireplace or other heating apparatus...

Page 32: ... easily reached 5 The wiring method should be in line with the local wiring standard 4 The distance between the indoor unit and the floor should be more than 2m 3 If the fuse on PC board is broken please change it with a fuse type T 3 15A 250V 11 The wiring diagram is attached inside the machine 2 If the supply cord is damaged it must be replaced by the manufacturer or its service agent or a simil...

Page 33: ...quipment operates but does not cool or does not heat only for heat pump Diagnosis by service port pressure and operating current Check for insufficient gas Large operating noise and vibrations Check the installation condition Check to make sure that the required spaces for installation specified in the Technical Guide etc are provided 31 YSHC18 24FSAADG 7 Codes and Description 7 1Problem Symptoms ...

Page 34: ...itch before connect or disconnect connector or else parts damage may be occurred E1 Room temperature sensor failure CN6 E2 Heat exchange sensor failure CN6 NO Check the value of the sensor to see whether the sensor is damaged or not YES The indoor PCB is broken replace with new indoor PCB Sensor is broken replace it with new sensor Pull the sensor out of the mainboard 1 Measure the value of resist...

Page 35: ...emp humidity 46 8 Capacity diagrams and curves diagrams 5300 5281 5264 5240 5209 5188 5130 5058 5315 5295 5286 5279 5231 5216 5234 5095 6315 5309 5300 5295 5248 5231 5145 5100 5329 5318 5310 5297 5251 5247 5159 5102 5340 5326 5314 5305 5265 5250 5162 5105 5345 5338 5317 5304 5270 5254 5236 5125 5351 5340 5324 5316 5283 5266 5230 5190 5362 5353 5348 5321 5296 5280 5248 5225 5418 5372 5361 5354 5329...

Page 36: ...door temp humidity 46 6350 6320 6275 6240 6210 6182 6147 6125 6410 6389 6360 6341 6327 6315 6310 6305 6131 6405 6372 6350 6340 6324 6317 6300 6460 6450 6447 6420 6417 6410 6408 6405 6478 6470 6431 6427 6422 6415 6412 6410 6492 6489 6476 6458 6450 6442 6400 6384 6528 6495 6484 6462 6458 6450 6436 6421 6570 6536 6518 6476 6460 6454 6445 6430 6630 6620 6600 6553 6524 6500 6470 6462 Cooling value Temp...

Page 37: ...ble 5120 5036 4970 5230 5167 5036 5317 5245 5102 5270 5135 5631 5579 5346 5745 5665 5486 1 2 3 4 5 6 7 15 C 20 C 25 C 5442 5345 5278 5563 35 performance curves heating capacity and indoor outdoor temp curves outdoor temp DB WB cooling capacity W 4900 5000 5100 5200 5300 5400 5500 5600 5700 5800 Capacity Domestic Air Conditioner YSHC18 24FSAADG YSHC18FSAADG ...

Page 38: ...mp table 15 C 20 C 25 C 36 performance cures heating capacity and indoor outdoor temp cures outdoor temp DB WB cooling capacity W 4900 5000 5100 5200 5300 5400 5500 5600 5700 5800 1 2 3 4 5 6 7 6180 6071 5960 6377 6286 6143 6442 6325 6278 6575 6450 6324 6660 6579 6447 6735 6640 6525 6780 6698 6579 Capacity YSHC18 24FSAADG YSHC24FSAADG ...

Page 39: ... temp DB WB 1000 1200 1400 1600 1800 2000 1072 1165 1240 1329 1448 1520 1586 1560 1245 1364 1387 1472 1514 1560 1603 1640 1325 1460 1475 1520 1575 1593 1640 1655 1386 1452 1486 1560 1594 1621 1657 1682 1420 1490 1523 1589 1615 1642 1687 1720 1496 1523 1585 1610 1640 1689 1712 1735 1514 1585 1626 1697 1768 1795 1826 1859 1537 1620 1665 1691 1750 1782 1830 1893 1624 1680 1751 1825 1892 1924 1962 199...

Page 40: ...dity 46 Power consumption temp curves Indoor temp DB WB Power consumption W 1532 1613 1601 1612 1653 1674 1689 1786 1574 1596 1607 1628 1675 1698 1723 1893 1605 1623 1664 1713 1764 1803 1862 1921 1694 1725 1764 1782 1835 1881 1925 1962 1765 1796 1823 1867 1905 1923 1985 2039 1912 1934 1965 1989 2010 2035 2078 2162 1956 1968 1989 2006 2035 2074 2126 2185 2013 2067 2095 2115 2137 2165 2234 2274 2035...

Page 41: ...1526 1608 1655 1587 1640 1695 1624 1681 1706 1685 1708 1736 1726 1755 1820 outdoor temp DB WB power consumption W power consumption temp curves 1000 1200 1400 1600 1800 2000 2200 8 4 Heating Power Consunption Value temperature Curves power consumption value temp table DB WB YSHC18 24FSAADG Domestic Air Conditioner YSHC24FSAADG ...

Page 42: ...64 1915 2175 1975 2010 2068 2035 2067 2152 2073 2136 2187 2141 2189 2253 Power consumption temp curves 1000 1200 1400 1600 1800 2000 2200 Power consumption W outdoor temp DB WB 15 5 5 7 6 15 20 25 15 21 25 performance curves power consumption value temp humidity 46 DB WB YSHC18 24FSAADG Domestic Air Conditioner YSHC24FSAADG ...

Page 43: ... 40 H M L Sound pressure level Cooling Heating Measureing location Location of microphone sound power level cooling heating Octave band cenrer frequency HZ Cooling Indoor Outdoor Model YSHC18 24FSAADG Domestic Air Conditioner YSHC18FSAADG YSHC18FSAADG ...

Page 44: ...evel Cooling Heating Model 49 46 43 H M L Measuring location Location of microphone sound power level cooling heating 58 cooling Indoor Outdoor Octave band center frequency HZ Domestic Air Conditioner YSHC18 24FSAADG YSHC24FSAADG YSHC24FSAADG ...

Page 45: ...wall place where the indoor unit can receive signals when the uorescent lamps in the room are lightened Outdoor Unit Place which is less affected by rain or direct sunlight and is suf ciently ventilated Place possible to bear the unit where vibration and noise are not increased Place where discharged wind and noise do not cause a nuisance to the neighbors Place where a distance marked is available...

Page 46: ...ent of heat insulation materials of indoor unit 2 Insert the indoor outdoor electric cable from backside of indoor unit and pull it out on the front side then connect them 3 Coat the aring seal face with refrigerant oil and connect pipes Cover the connection part with heat insulation materials closely and make sure xing with adhesive tape Fixing the indoor unit body Hang surely the unit body onto ...

Page 47: ...t pipes and indoor unit using a vacuum pump then Spanner Forced fastening without careful centering may damage the threads and cause a leakage of gas Pipe Diameter Fastening torque Liquid side6 35mm 1 4 18N m Liquid Gas side9 52mm 3 8 42 N m Gas side 12 7mm 1 2 55N m Gas side 15 88mm 5 8 60 N m Max Elevation In case the elevation A is more than 5m oil trap shoud be installed every 5 7m Max Length ...

Page 48: ... 4 Flare pipe Lean Damage of are Crack Partial Too outside t c e r r o c n I t c e r r o C On Drainage It becomes high midway The gap with the ground is too smal There is the bad smell from a ditch It waves The end is imm ersed in water Please install the drain hose so as to be downward slope without fail Please don t do the drainage as shown below Please pour water in the drain pan of the indoor ...

Page 49: ...Domestic air conditioner Piping diagrams 10 Appendix 10 1 Piping Diagrams Cooling mode Heating mode 47 YSHC18 24FSAADG ...

Page 50: ...Indoor 48 10 2 Wiring Diagrams Wiring diagrams YSHC18 24FSAADG Domestic Air Conditioner ...

Page 51: ...nes on cool only type marked with Wire is connected from 4 marked with on terminal block to 1 TO INDOOR FRESH AIR MOTOR 4 way valve CAPACITOR CAPACITOR 1 See above for wiring of heat pump type NOTE 1 FRESH AIR MOTOR 3 Some of cool only type terminal block only have 1 2 and but no the parts 4 The parts are optional 2 Y G 3 HSU 18 24HEK13 R2 49 Wiring diagrams Domestic air conditioner Outdoor ...

Page 52: ... 4 7K R37 10K 12V R36 1K E2 4 7uF 16V E3 4 7uF 16V R40 1K R SRCK RCK SER COM3 COM2 R25 560 R27 560 1 CON7 1 CON8 GND 5V A B C D CT 50HZ PGO WF ST FLZ YJ HEAT R101 1K R102 1K R103 1K SW2 SW3 5 N1 2SC2412 N2 2SC2412 N3 2SC2412 P1 2SA1037AK P2 2SB1182 XT1 8M Frashair 1 2 3 4 5 6 7 8 CN7 S8B PH 89401 0810 C23 1nF E8 100uF 16V RED BLACK step m otor CT 50HZ WF FLZ ST YJ HEAT PGO 1 2 4 3 A B C D 4 3 2 1 ...

Page 53: ...Dimensional drawings 10 4 Dimensional drawings 51 Indoor unit Domestic air conditioner 75 330 75 299 1046 237 320 1147 320 120 240 120 YSHC18 24FSAADG YSHC18FSAADG YSHC24FSAADG ...

Page 54: ...Dimensional drawings 340 948 840 9 52mm 3 8 860 760 9 52mm 3 8 52 820 308 908 Outdoor unit Domestic air conditioner YSHC18 24FSAADG YSHC18FSAADG YSHC24FSAADG ...

Page 55: ...Indoor unit 10 5 Center of gravity 795 265 190 320 115 89 780 540 302 126 245 350 Outdoor unit 53 Center of gravity Domestic air conditioner YSHC18 24FSAADG YSHC18FSAADG YSHC24FSAADG ...

Page 56: ...Indoor unit 938 265 190 377 115 89 54 Center of gravity Domestic air conditioner YSHC18 24FSAADG YSHC18 24FSAADG ...

Page 57: ... 50 DB 46 40 43 0 3 20 18 10 0 16 23 32 10 20 30 indoor temp WB Notes The graphs are based on the following condition Equivalent piping length 7 5m Level difference 0m Outdoor temp 10 6 Operation range 56 pull down Air flow rate high YSHC18 24FSAADG ...

Page 58: ...10 7 Accessories R 03 dry battery 2 6 Plastic cap 4 Cover 1 4 Pipe supporting plate 1 Drain elbow 0 Steel nail Cushion 57 Appendix Domestic air conditioner YSHC18 24FSAADG YSHC18 24FSAADG ...

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