AY-XPC18LR/XP24LR/AE-X18/24LR Service-Manual GB
Contents
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4. 21 PCAP A090JBEZ AE 2 LX BZA455JBEZ AH Special 3 LX NZA313JBEZ AE 24 21 LBND A097JBEZ 1 WireFixingBand 622 LBND A042JBEO AC NINI NI OY N2 NIN N N N NIN NIN 9 AYXPC18LR 7 CONTROL BOX PARTS 3 59 7 CONTROL BOX PARTS 32 1 LANG A733JBWZ AK 1 Terminal Angle 3 3 LHLD B067JBEZ Washer 3 95 QTANZA072JBZZ AR Terminal Board 3 7 QTANZA071JBZZ AV 1 Terminal Board 3 13 RNF A001VBEO AF 7 Ferrite Core 3 16 TLAB E833JBRZ AK Label 3 17 DBOX A087JBWZ AZ ____ Control Box Assembly 3 19 DSGY E129JBKZ BT Control Board Unit 18 3 19 DSGY E163JBKZ BZ Control Board Unit 24 3 20 DSGY E127JBKZ BW Power Transistor PRICE NEW PART PARTS CODE RANK MARK RANK DESCRIPTION AYXPC18LR PRICE NEW PART 7 CONTROL BOX PARTS 3 21 DSGY EO30JBKZ BR 71 PFC Control Board Uni 4 3 24 PRDAFA239JBEZ BQ 3 25 PSPA A150JBZZ7 AF 9J PWBSpacr 0 2 3 26 QW iZA141JBZZ AW Comp Cord QM101 U V W COMP 3 56 RFiL A064JBEO AF 9 JFem teCoe X4 J 3 77 RTRN A300JBZZ BK 1 Active
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7. O 7 2 Heat exchange thermistor TH3 Outdoor temp thermistor TH4 Suction pipe thermistor 0 C resistance connector 14 5 Ka CN8A 1 8 25 C resistance 4 431 TH2 TH3 TH4 Tester 20 0 20 40 60 Temperature C To measure the resistance first remove the connector from the board AYXPC18LR CHAPTER 4 REFRIGERATION CYCLE 1 REFRIGERATION CYCLE 1 FLOW OF REFRIGERANT AY XPC18LR Indoor unit Evaporator Flare coupling Flare as Outdoor unit 2 way valve lt gt LIQUID Co 24 3 GAS Silencer Accumulator Heating Cooling Strainer 4 Expansion valve Comp ressor Muffler pup a Condenser O a 00 06 ege s Strainer 2 STANDARD CONDITION Indoor side AY XP24LR 15 20 Indoor unit 4 Evaporator Flare coupling Flare Outdoor unit 3 way valve lt gt LIQUID Heating 24 valve lt lt GAS Silencer Accumulator Cooling 5 Strainer 2 Expansion CY valve Comp ressor 8 Sub Muffler Accumu lator Coil 22 Condenser 00 06 NL 5 Strainer Outdoor side Dry bulb Temperature Relative humidity Dry bulb Temperature C
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9. J301 J302 J305 1304 1305 1306 QPWBNA159JBZZ from ELECTROLYTIC CAPACITOR C10 from CONTROL BOARD P W B MRY1OUT from CONTROL BOARD P W B T6 from COMPRESSOR TERMINAL U RED AYXPC18LR from TERMINAL BOARD L POWER SUPPLY WOH JAYA 5 15 W ll V SATIVA 8 JATIVA 3 3A1VA WIND 9 80109 nt ioi ayog WOI AN WEI g from TERMINAL BOARD THERMAL FUSE g 2 x m S 5 1 2 lt d 8Md WOdd 5 4 E ow lt en m 6 1N28 d ne Z EE ad oe S 0660 Deed voed used e 4669 Pes Tt 63 1 6 QOS ac 9 324 424 0724 124 2154 M 8234 8194 204 K CH goe RENTGEN OBN 1 8 YOLSINNAHL van e EN o e B mns H x H Dd er Wen EH mungen Name 8 4 1 NC a 0 id L Zp m c 8 a zat 3018 21 ety 3 oe RRE X x O lt 2 EN ad P VARESE 1 EE E 5 XE E N3349 ERASED zv sooo VGL AlddNS AN TVNIINSH3L L
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11. 1 Remove two air filters 1 Open the open panel 2 Push the air filters up slightly to unlock them 3 Pull the air filters down to remove them 5 Close the open panel Push the hook of the cabinet and lift the front panel up Cover L Screw Screw Pull the covers toward you to release the lock 3 Remove 5 screws fixing the front panel AYXPC18LR NV iN rmm mz 24000BTU MODEL 9 Remove 2 screws fixing the cover 7 Remove a screw fixing the control cover Unfix 2 hooks and remove the control cover Unfix 2 hooks and remove the PWB holder Cover M Control a 10 Remove a screw fixing the thermistor holder cover 1 Remove the thermistor holder MAI rm i P en s gt MM ill it 144 ni the connector and remove 2 screws em the control box assembly PWB holder gt 8 Remove a screw fixing the cover and unhook the cover in the direc tion of an arrow 18000BTU model only Jn dl gem SEN NU d i NU Za IB NK m men oN wen 1 M D AN Mh Mie IM i MI 1 TAA d 18000811 MODEL AYXPC18LR 13 Remove 4 screws fixing the drain pan and pull drain pan toward 16 Remove the 2 screws fixing the side coder L yOu 17 Remove 3 screw
12. LLL XIT 73sP89000 2 478 PSHE A278j8EZ 1 1 21 5 8 f PSHE A313jBEZ 7 8 42 PSKR A872j8PZ 3 171671 U f PSPA A082J8E0 7 8 44 IJ ____ 50822 _____ res F f ____ 7 res Cd PSPF BieijBEZ ___ sacas f PSP 35 1737 9 f esere soe 3 PSPF BTT4JBEZ x EVV AEB 3173 5 f VVA 31 3 5 o r dd a EZ eS AN 1 50240221 OSM E Ad MPA aama 3 QTANZA038j8Z2 1 2 13 7 877 7 4 5 QW izAi4ijBzz ree Awd 2 603 822 8 8 46 a f QW VzEezij8zz 83 83 47 P 1 VZ 1 1 41 1 8 3 48 ____ 765960822 ____ eso f 0OW vzG397J8z2 ____ 58 80 AK f 7 26398 822 K f 7 26399 822 83 32 AL 1 8 3 10 aK OW VzG403J8Z2 1 QW VzG405j8Z2 ____ 8 3 48 AR QW VzG406j8Z2 ____ 83 33 AK QW VzG407J8Z2 ____ 8 3 34 K 8 3 35 _____ 76438 822 ____ esca 1 7 26446 822 54 12 1 7 26499 822 8 8 27 OW vzGs00j8zz 83 83 28 N RIT RC AZA048j8EU
13. C es e mm mm mm 9 Black lead wire 0 7 2 Remove the 2 screws fixing the IPM then remove it 3 Remove the 3 screws fixing the PAM 4 Remove the 3 screws fixing the Active coil AYXPC18LR 5 10 AYXPC18LR SHARP PARTS LIST SPLIT TYPE AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT MODELS AY XPC18LR AE X18LR AY XP24LR AE X24LR CONTENTS 1 INDOOR UNIT PARTS 6 CYCLE PARTS 2 ACCESSORY PARTS 7 CONTROL BOX PARTS 3 INDOOR PACKING PARTS B OTHER OUTDOOR PARTS 4 OTHER PARTS 9 OUTDOOR PACKING PARTS 5 OUTDOOR UNIT PARTS m INDEX HOW TO ORDER REPLACEMENT PARTS To have your order filled promptly and correctly please furnish the following information 1 MODEL NUMBER 2 REF NO 3 PART NO 4 DESCRIPTION Parts marked with are important for maintaining the safety of the set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set ee This document has been published to be used SHARP CO RPO RATION for after sales service only The contents are subject to change without notice AYXPC18LR 1 INDOOR UNIT PARTS AYXPC18LR PRICE NEW PART 1 INDOOR UNIT PARTS 1 1 CMOT A524JBKZ BS Fan Motor Sub Assembly 1 3 PCOV B593JBF7 AP 1 4 CHLD A067JBKO AL Bearing Assembly gt 1 5 DCHS A761JBKZ BM Cabine
14. Relative humidity Heating 20 C TH 3 TEMPEATURE AT EACH PART AND PRESSURE IN 3 WAY VALVE MODEL AY XP24LR No Condition Cooling Heating Cooling Heating memor 7 amp 9 9 5s wet s 9 3 3 way valve pressure MPaG 088 283 083 302 On test run mode Temp on 2 S enon OCO 2 PERFORMANCE CURVES NOTE 1 Indoor fan speed Hi 2 Vertical adjustment louver 45 Horizontal adjustment louver front 3 Indoor air temp Cooling 27 C Heating 20 C 4 Power source 230V 50Hz 1 AY XPC18LR 1 1 Cooling 1700 1600 _ 1500 1400 Input W 1300 1200 1100 1000 20 25 30 35 40 Outside air temp C 6 2 6 0 5 8 5 6 kW 5 4 apacity Q 5 2 9 5 0 9 48 9 4 6 4 2 4 0 20 25 30 35 40 Outside air temp C A D O MEN eo A a eo pe eo A N eo Outlet air temp C A A eo A O 20 25 30 35 40 Outside air temp C 45 50 1 2 AYXPC18LR Heating 1600 1500 1400 Input W 1300 1200 1100 6 4 _ 6 0 56 gt 5 2 10 5 0 5 10 15 Outside temp C 10 5 0 5 10 15 Outlet air te
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16. 0 gt 1 e c QPWD B660J c 6 JP31 JP30 JP29 JP28 229 4 C11 C17 2312 3 R13 Cee P43 io TS e N i JPW JPO N 4 R32 SL One rn 7 Fa 0567 85348 4 13 24 Ag Cu EUN Y Ai LED101 ac FROM TERMINAL BOARD TOP I FROM TERMINAL BOARD TOP TO TERMINAL BOARD TOP 2 TO EVAPORATOR AND TERMINAL BOARD E Printed wiring board AYXPC18LR 2 Outdoor uni
17. 1 110 AL cg ier A 3MEOWORSSSUBER DCOV A347JBKZ 5 1 36 AW MsSPR A026JB8E0 6125 AB _____ 1 1 34 AL MSPR A036JBE0 64 4 AB DCOVv AsszJBKZ 131 227 tw1 DHLO AO107BKZ 171228 AK ai DHLD A037JBKZ 14 5 NBRG A057JBFA 3 1 13 AL DHLD A048JBKZ 1 1 385 a 82 3 1i 6 Bb DPNL A082JBKz 11 27 82 NFANPAT42JBFA 5 1 5 8E Dsav Eo30JEKz 73 27 e L DSGv Ei27JBKz 7 3 20 w PBOX A587JBFA 31 2 2 AX DSGY Ei29JEKZ 75 19 871 075318 2 6 2 19 Ac Dsav EiseJeKz 12 40 87 POCAP A089J8EZ 62 27 DSGY E160JBKZ 1225 871 CAP A090JBEZ 6 2 21 AE 7 DSGv Ei61JBKZ 1210 871 POMPRAGS2IBEZ 6 2 14 fo Dsay ETssJeKz 7 3 319 92 PoOv asoojsr0 12 24 a 122 BE PcOv sssijBFA OTR bvtv Bersikz 62 3 A PCOV B583JBRA 1 1i 21 8 a DVLV B074JEK7 62 4 186 fPcOv BssaJBWZ 1 2 6 DVLV B075JBKZ 625 80 COV BsSsJBFA 75220 FAL ove v s086 16K
18. 10 1 9 4 WOI 8 Md NIAd from DC FAN MOTOR from PFCM P W B AC1 from 4WAY VALVE CONTROL BOARD P W B AYXPC18LR 3 FUNCTION 1 Restart control Once the compressor stops operating it will not restart for 180 sec onds to protect the compressor Therefore if the operating compressor is shut down from the remote control and then turned back on immediately after the compressor will restart after a preset delay time The indoor unit will restart operation immediately after the ON switch is operated on the remote control Compressor operation Compressor ON Compressor can Compressor remains OFF turn ON for 180 seconds V ZA bee lt OFF operation on operation on remote control remote control Compressor ON 2 Cold air prevention control When the air conditioner starts up in heating mode the indoor unit fan will not operate until the temperature of the indoor unit heat exchanger reaches about 23 C in order to prevent cold air from blowing into the room Also the indoor unit fan operates at low speed until the temperature of the indoor unit heat exchanger reaches about 38 C so that people in the room will not feel chilly air flow Indoor unit heat exchanger temperature Set fan speed 38 C BENE 9 35 Indoor unit fan at Ultra soft Lower than Fan speed soft 23 C Indoor unit in non operation 3 Indoor unit heat exch
19. 3 min on 8 min off Same as com pressor temperature Hot keep 2 Room temperature becomes higher 1 C or more than setting temperature The fan contin ues to repeat 6 min on 8 min off Lower limit of outdoor temperature range is 10 C When the outside air temperature is low the outdoor unit fan operates at slower speed NOTE Built in protect device may work when outdoor temperature falls below 21 C depending on conditions 2 11 AYXPC18LR 27 Auto restart When power failure occurs after power is recovered the unit will auto matically restart in the same setting which were active before the power failure 27 1 Operating mode Cool Heat Dry Temperature adjustment within 2 C range automatic operation Temperature setting Fan setting Air flow direction Power ON OFF Automatic operation mode setting Swing louvre Plasmacluster mode 27 2 Setting not memorized Timer setting Full power operation setting Self clean operation 27 3 Disabling auto restart function By removing cutting jumper O JP O on the printed circuit board PCB the auto restart function can be disabled 28 Energy Saving Operation 28 1 Cool Dry Operation By pressing ENERGY SAVE button during Cool Dry operation the set temperature will vary with 1 f fluctuation 1 f fluctuation resembles fluc tuation existing in nature and is said that it gives relaxation 1 f Fuzzy Log
20. 59 LHLDWA0i10jBEZ 7 3 41 AC CCOV A288JBKZ 1 2 3 88 LPFT Ai34JBFZ 246 00 CCOV AS27JBKZ 31 31 21 aU 2 2 47 Oa GOOvo oszajBKz 139 RR tPLT AvssJBPZ CCYC 0533JBK7 1 55 59 180 tLX BzaozsJeE0 1 571 CFiL A087JBKZ 2 4 312 BB reo CHLD A067JBK0 131 4 tLX Bza3s7JBEZ 24 4 RE CKITTATSSAKKZ 1 2 7 8M LX BZA434JBEZ 6252 CMOT ABZAJEKZ taa 188 LX Bza4ss BEZ es AML CMOTLBa26JBEZ 51 7 o CA LX BZA4eijBEZ 5 1 36 1 an p _____ __ 9 72 71 LX Nzazo7JBeEZ 2 45 AE CPADBA168 BKZ 9572 LX Nza250JB8EZ 6248 AE CPiPCB413JBKZ 1 31 LX NzazeoJeez 6220 A8 41 11 71 WEE CHMC A787JBEZ 244 6 6 3 g GSKR AEiETEKZ A 1 0 eg DE DBOX A087J8EWZ 7 3 17 AZ PE DCAB A167JBKZ ster ____ __ 148 DCHS Ar61JBKZ 131 5 0 8M MJNTPATSSJE8FA 13 179 AL 0 08 58078 2 65257 MJNTPA160JBFA 1 112 p DCON A587jBPZ 62 7 MLOV A532JBFA
21. 64 09 of anyo 4 i u S 3 LRG OL NZ e Hd A Thie dvv00S9QlM 20 792 MOSZ 8 064 164 MOL 49M 2 ON ON l We o MS 3902 B AS 22 782 93804 ZHINOL 5 e 5 44 Ee 109 1280 S anyo m 5 A08 99 0 1 nl pL a X Gd YZLNO 30 QD Jn SS 1 666164 221 viam WYXY K MET VEH EGH 294 184 084 3089 Lb 690 880 AOS MOL MOL MOL OL 8v Lil PPP P D 39000 659 959 Me DOOPOOD na 6 SLY 4027 a AS lv ho We LOENZ eX9XOX9 ECO OCH LINN BOON Wee am dd D quvoa DEL M vent NS 1 3301 AS WOW CN 215 y Fm 5 SH e nio Ne me 9 anyo anyo ny GZ AOS 629 eomog AOL NEE AZ B6EANT NSZ EU D AS crus val 4120 AE SLED 8591 LLED 1 NI e L a LA HOH FeO Su anyo pM Se 5 1 S 14 7069 10221 CI 0 PN chy 989 D A0ECH cn B SEED esa Se NC o o Y 9 ssp ce Ce 4 4159 440001 LAM Sepe 1 1 89 105 AS BIEN Le 3308 PINS HOOP 33081 2700 Alddns ania 5 80 9 L Zia 3902 2 gt S ania SU MOTA 8155 Ss CH DOO Gs S04 ama d 5 00 v oa o MOSZ N
22. 7 3 50 fe 1 RC EZA250J8Z7 _____ 7 3 51 ax 1 RFiL A064j8E0 7 8 36 40 822 7 8 54 RH HXAT48J8ZZ 12 19 AX RH VXAU02J8ZZ 34 2 30 A ATAB 1 1 37 AZ 1 _ RMOT A193JBZZ 171 54 AZ RMOTSAU37J8Z2 ___ 6m7 HNF A0oiVBEO o AF f RTHN A300j8Z7 ___ 7 3 37 f RTRNWA0SiJBZZ ___ 42 31 8811 I 1 SPADBA480j8EZ 61 fa 1 8 481 8 2 5652 el 3 6 3 w SPAKCCB40JBEZ 9 7 3 BB SPAKCC881JBEZ 3 7 8 OO ed ES RES TINS B248JBRZ ___ 3 4 8 2 4 9 TiNSEASSSUBRZ 1144 72018 2 re se EEF 0 7 3 16 565768 5 1 8484 TSPC G721JBRA 1 1 4 TS8PC 8722jBRZ 5 1 34 TSPC G768JBRA 31 17 48 fa ELC 1 34 7 mou oo UBATUAO27JBEQ 2 42 AE 2200 NE 730 14740 8 6 8 7 XBPS740P08K00 8 6 14 XBPS740P20j00 es Al X0PS740P25000 8 6 8 13
23. Coll 4 3 38 LBNDKA151JBWZ AM Capacitor Clamp 3 39 LHLD B096JBFA AY HeatSink Holder 0 0 0 3 40 LHLDWA039JBEZ AC 3 41 LHLDWA040JBEZ AC 1 3 42 PSHE A313JBE7 AK 3 44 PSPA A082JBEO AB 345 PSPA A173JBEZ AE 3 50 RC AZA046JBEO BE 71 Electrolytic Cap 3 51 2 2501822 BG Electrolytic Capa 3 53 PCOV B724JBWZ AT Control Box Cover 3 54 RH HXA140JBZZ7 BC 9 Jj Thermistor Assembly 3 8 TLABCC720JBRZ AK 1 WiigDiagam 4 3 59 PSEL E183JBEZ AH Cont Box Cover Seal 3 6 1364 2 AK jContBoxAngeSed 8 OTHER OUTDOOR PARTS QW VZG402JBZZ AK 1 Lead Wire TBN T2 QW VZG403JBZZ AK TI Lead Wire TBL 11 Leen p 3 12 QW VZG446JBZZ AK Lead Wire TB CN6 3 14 QW VZG438JBZZ AK Lead Wire TBE BOX 3 27 QW VZG499JB2Z AN 71 Lead Wire MRY1 OUT DB1 AC1 3 28 QW VZG500JB2ZZ LeadWie T6 DB1AC2 3 29 QW VZG396JBZZ AL Lead Wire PFCM TNF C 3 30 20397 22 AK Lead Wire 10 IPM TP 3 31 QW VZG398JB2Z 9c Lead Wire 10 IPM TN 3 32 QW VZG399JBZZ AL Lead Wire TPF C 3 33 20406 822 Lead Wire CN14 CN114 3 34 QW VZG40
24. FLOW button again NOTE The COANDA AIR FLOW setting is cancelled When you press FULL POWER button while COANDA AIR FLOW is set If you want AIR FLOW operation in FULL POWER mode press COANDA AIR FLOW button during FULL POWER operation 19 Difference relating to set temperature __ Cooling Heating Dehumidifying Can be changed Can be changed between 18 C and 32 C using remote control Automatic setting Can be changed within 2 C between 18 C and 32 C using remote control 2 10 20 Dehumidifying operation control If the room temperature is 26 C or higher when dehumidifying opera tion starts the dehumidifying operation provides a low cooling effect in accordance with the room temperature setting automatically deter mined based on the outside air operation The setting value is the same as the set temperature for cooling operation in the auto mode If the room temperature is lower than 26 C when dehumidifying opera tion starts the dehumidifying operation minimizes the lowering of the room temperature 21 FULL POWER Operation In this operation the air conditioner works at the maximum power to make the room cool or warm rapidly During operation press the FULL POWER button The remote control will display A The temperature display will go off The green FULL POWER lamp on The unit will light up TO CANCEL Press the FULL POWER button again The FULL POWER operation will als
25. LIN BL 9 o 0 9 NEUTRAL INE um B dr BT POWER SIGNAL 12 SUPPLY 1 GN M it FUSES 2501 T TERMINAL BOARD P POWER SUPPLY FUSES CIRCUIT nV 1A 250V al E WH QOP WH 21 1 11101114 Luz YE TP FUSETOT m mS E TPF rim SS Re i 2501 HOE TNF gna me 01101 d 420V MODULE aam IPM 4 ELECTRICAL PARTS 1 Indoor unit PartName _ Specifications Terminal Board 300V 25A Printed Wiring Board Paper Base Phenolic Resin UL94V O MLB438 DC Motor Louver Motor DC12V MP24GA 2 Outdoor unit PartName Items Specifications 250V 2A 250V 1 A DC Brush less Motor 1000W MLB078 DC Motor Compessor AYXPC18LR CHAPTER 2 EXPLANATION OF CIRCUIT AND OPERATION 1 BLOCK DIAGRAMS 1 Indoor unit DC power supply circuit 2 5A Fan motor phase control circuit Indoor fan motor FUSE1 lt Rotation pulse input circuit Fan motor pulse detect AC clock circuit Louvre motor drive circuit Flow direction control Remote controller signal reception circuit Wireless remote control operation Buzzer drive circuit reset circuit 00000000 CPU oscillator circuit Room temp detect circuit Room temp thermistor Heat exchanger pipe thermo circuit Heat exchanger pipe thermistor Outdoor ratings Switchover circuit 4 Wireless preheat Indoor outdoor control
26. Tube Holder 4 1 37 RMOT A192JBZ7 AZ 0 0 0 1 41 201684 822 AP 1 head Wire 4 1 43 TSPC G721JBRA AK NameLabel 8 001 1 43 TSPC G768JBRA AK 0 1 44 TLABCC718JBRZ AK cL WiingDiagam 4 1 52 DWAK B002JBKZ BB FRONT PANEL Assembly 1 53 PSEL E004JBEZ2Z AL SEAL 7 1 54 RMOT A193JBZZ AZ JjLowerMotr 0 0 1 5 PSEL E003JBEZ AK Seah 1 56 PSEL E199JBEZ AH 1 Insulator O 1 58 PSEL E087JBEZ7 AH X insulator Attach to 1 28 1 59 PCOV B754JBFA AK Coes 4 1 6 PCOV B772JBEZ AK 1 2 2 PBOX A537JBFA AX 1 JConodBox 4 23 CCOV A283JBKZ Control Cover Assembly 24 LHLD B070JBFZ AK 1 Thermistor Holder 2 6 PCOV B584JBWZ AP 2 7 CKi TTA133AKKZ BM Plasmacluster Unit 2 10 DSGY E156JBKZ BT Control Board Unit Main 18 2 10 DSGY E161JBKZ BT X Control Board Unit Main 24 2 13 QTANZA039JBZZ AQ Terminal Board 4P 2 6 LHLD B033JBFA AK Cord Holder 2 17 LHLD A539JBFA AE CordHoder 2 19 RH HXA148JBZZ AX 1 Thermistor 7 2 20 PCOV B585JBFA AL 2 221 LHLD B030JBFA AL LEDHoldeB 4 2 22 LHLD B031JBFA AP PWBHoder 4 2 23 PCOV B588JBWZ AP JTeminaCove
27. for 1800 Btu type accessory kit parts of OUTDOOR UNIT 4 7 LPFT A135JBFZ AH Drain Tray for 1800 Btu type accessory kit parts of OUTDOOR UNIT 48 XTTS745P30000 Tapping Screw 4 9 TiNS B246JBRZ AK Installation Manual 18 4 9 TiNS B270JBRZ AP Installation Manual 24 4 11 TiNSEA639JBRZ AN Operation Manual 412 CFiL A087JBKZ BB Puriy Filter Assembly 3 INDOOR PACKING PARTS 6 1 NEW PART 3 INDOOR PACKING PARTS 6 1 SPADBA480JBEZ 71 Packing Pad 6 2 SPADBA481JBEZ AP Packing Pad 6 3 SPAKCC839JBEZ BB Packing Case 18 6 3 SPAKCC857JBEZ BB J Packing Case 24 4 OTHER PARTS 21 QFS iA001JBZZ AH 1 2 5 250 01 2 19 Q8W PA024JBZZ AH 1 Switch SW1 2 30 RH VXA002JBZZ AF 2 31 RTRNWAO51JBZZ BB Transformer TR AYXPC18LR 5 OUTDOOR UNIT PARTS PRICE NEW PART 5 OUTDOOR UNIT PARTS CMOTLB426JBEZ LANGKA253JBPZ Fan Motor Angle Sub AYXPC18LR PRICE NEW PART 5 OUTDOOR UNIT PARTS 1 3 LANGKA267JBPZ AY MotorAngle 4 1 4 LANGKA268JBPZ AP MotorAngeT 4 1
28. lHvlS3H OLNV L LINN 24 9 SST IM 901083 AOS AN MOL vvd geo i i i 1 21 LHA 5803 i 1 x AS DEER Es 15 Se Sm 120 ON 210 0108 1 90198M ON SL ovas woot er 29d 02 Net Lid 12 eed i 772 LLd 3vvoosoary 8 9 4 vz 544 v 5038 0drl E ez vid ozd 98 92 Eld Le DE Tz zza val HH 288 _L quvog YOLON gt r 82 114 iNV ES MOTTA VNIWH3I 62 044 4 701 6 D I 90d A siNv TS i 0001
29. monitoring the AC input voltage in the control circuit in order to be the same phase and wave shape as this voltage wave shape IGBT is made ON OFF by the carrier frequency of approximately 20 kHz By adoption of this PFC Module the current wave shape can be made to the sine wave synchronized to the commercial power source and the power factor can be made to almost 99 As a result of this reactor can be disused PFC Module works for the improvement of power factor and as the countermeasures for the har monic current Power supply voltage 50 60 Hz Current waveform Before Current waveform KS NA Active filter 29 2 PFC Module Voltage Raise Circuit The IGBT in the figure below is the switching transistor of the PFC Module By adding ON signal to the gate of IGBT from the control IC IGBT turns ON and the collector current Ic flows This current flows from the side of the diode bridge DB to the Choke coil the side of the diode bridge DB through IGBT from the Choke coil L At this time energy is stored in the choke coil L Next when gate signal of IGBT turned OFF IGBT will be turned OFF and the energy stored in L during the ON time of IGBT will be discharged through the diode D electrolytic capacitor C load primary side and the side of DB Assuming the input voltage of PFC Module voltage between and of DB as Ei the output voltage voltage at the both ends of smooth capacitor as Vo switching cycle of
30. prevent electric shock ane TE at ORANGE 811 GREENYELLOW in case that FUSE101 protector has been fused the voltage is kept high at C9 C10 BR BROWN WH WHITE YELLOW BL D indication pattern Abnormal comments STOEN CNG ile Abnormal signal line e 2 o X 1times Short circuit of the thermistor 3 x 2times ____ Overheat error Compressor Power module X 5times circuit of the thermistor Dn 5 o x 6times Power module IPM abnormality H Blo x 7times Abnormal AC current 7 8tims anra wire check Blo x 9 times Cycle temperature error d EE GIE Ge error 10 9 X 11 times Rotation error of the fan motor LN DANGER HIGH VOLTAGE HIGH VOLTAGE mox Tims Thermal fuse error of terminal board m The microcomputer s GND line which X 14 times nar factor PFC module error or control the thermistor etc share the FAN MOTOR EE clock signal line of 330V line This circuit i aneda pe Donel 4 LED INDICATION OF SELF DIAGNOSIS ON OUTD the control circuit components as it LED BLINKING may result in electrical shock hazard e LED turns on Do not earth osilloscope etc during measurement as it may result in EN Slow flashing 1 time for 1 second TERMINAL BOARD damage UNS Quick flashing 3 times for 1 second To INDOOR UNIT SEES 5 Example No 3 Overheat error Compressor Power module S d on
31. z ui seuse J Q Figure 1 Temperature properties of indoor thermistors Thermistor Signal Color Room temperature TH1 Yellow Pipe temperature TH2 Orange Valve temperature TH3 Black the soldering as shown at right 100 80 Heat exchange thermistor TH2 Orange TH3 Black 25 C resistance 4 431 kQ 60 To measure the resistance first remove oe ITT AYXPC18LR Room temperature thermistor TH1 3 Pipe temperature thermistor TH2 1 Valve temperature thermistor TH3 5 6 6 5 Tester Room temperature 40 thermistor TH1 Yellow 25 C resistance 10 Resistance 20 40 0 10 0 10 20 30 Figure 2 A Temperature properties of outdoor thermistors TH1 compressor thermistor 500K Connector 8 300K 25 C resistance 0 45 X 200K re 5 78K 3 06K o 100K 4 17 2 28 Tester 1 72K 20 0 20 60 80 100 120 Temperature C Compressor thermistor No 1to2 Red Heat exchanger pipe thermistor 2 3 to 4 Outdoor temp thermistor No 5 to 6 Suction temp thermistor TH4 No 7 to 8 Resistance 0
32. 41 PSEL E186JBEZ AE X JAngeTopSed 4 1 5 GCAB A409JBTA BE 4 1 9 1 PSEL E132JBE7 AK V jFrotPanlL Seal 1 6 GGADFA042JBFA BH 1 7 GCAB A408JBTA AX JFrotPanelR 4 18 JHNDPA016JBFA AE ______1 10 72 AZ JSideCabnettL 0 1411 JJHNDPA028JBFA AK 1 J j 1d2 GPLTMA075JBTA BC P 4JjSideCabnetR 13 LHLD A539JBFA AE Cord Holder 1d4 LHLD B095JBFA AK Cord Clamp Holder 1 5 PSEL E120JBE7 AK _ g jSideCabinetRSed 1 16 CSKR A512JBKZ BA Bulkhead Assembly __ _ 1 1 10 1 1 46 41 PSKR A372JBPZ AU 1 162 PSEL E135JBE7Z AK S jBukhedSed 4 1 17 DCAB A167JBKZ BF TopPlate Assembly 147 GCAB A410JBTA BD _ _ _ _ _ 1 17 22 PSEL E129JBEZ AK JTopPlteSedA 1 17 3 PSEL E130JBEZ AN TopPlateSealB 1 17 4 PSEL E131JBEZ AK 44 JTopPlteSedl C 1 17 5 PSEL E153JBEZ AK 0 2 1 18 PCOV B739JBFA AN JVaveCover 1 220 LANG A737JBPZ AL Il 21 LBND A046JBEO AE 1 WireFixingBand 4 1 25 NFANPA142JBFA BE __ 1 26 PSPF B173JBEZ AZ Compressor CoverA 2 1 27 PSPF B174JBEZ AX Compressor Cove
33. 72 8 a PCOV Bs88JBWZ 1 2 28 2 593 2 1 i 3 APL DWAK B002JBKZ 1 52 88 cOv sessjBEZ ___ 6 25 AE PCOV B724JBWZ 7 3 58 GCAB A408JBTA 5 1 7 AX 262 2 5 1 36 2 AM GCAB A408JBTA 54 5 58 1218 o AN GCAB A410JBTA 5 1 17 1 Bel PCOV B740JBFA 5 1 86 3 GGADFAO42JBFA 5 1 6 BH PCOV B747JBRA 31 1 21 2 AK GLEG A157JBEZ 6242 PCOV B752JBFA 14 9 AK GLEGMA053JBPZ 6 2 5 a 87727 1 1 60 AK L GPLTMAOTZJBTR PORIZAZSSUBPZ 8 5 5 5 AN GPLTMA078JBTA 5 1 2 180 PritMAzsojBEB 31 1 25 aN ZER pr gr 5 058 782 1 1 6 AX JHNDPA016JBFA sae PPLT A686JBFZ __ 1 41 29 AV JHNDPA028JBFA St AK PPLT A756J8FZ 31 1728 AL L LLLLRRETNAT20J8WZ __ 1 47 az LANG A733JBWZ 7 38 1 o 239 82 7 3 24 LANG A737 JBPZ 5 1 20 PSEL co51JBEZ 54 4 __ __ LANGKA253 BP72 5152 aM LU 003 2 14 5 LANGKA267JBPZ Et ____ 5 1 153 LANGKA268JBPZ 54 4 MCA Je
34. 7JB2ZZ AK 71 Lead Wire PFCM TL1 Coi 3 35 QW VZG408JBZZ AK Lead Wire PFCM TL2 Coi 3 46 QW VZE603JB2ZZ AP 1 Lead Wire C9 C10 3 47 JQW VZE624JBZZ Lead Wire T5 MRY1 3 48 QW VZG213JBZZ AK Lead Wire C9 10 3 49 QW VZG405JB2ZZ Lead Wire T4 BOX 6 5 XCPS740P25000 AD Tapping Screw 6 6 5730 14 50 AA A TappngScew 6 9 XBPS740P20J00 AF 71 6 10 LX BZA075JBEO AA A SpedalSrew 0 0 6 41 XJTS740P10000 AC 71 TapTightScrew 6 12 XTPS730P12XS80 AF Tapping Screw 6 14 XBPS740P08K00 AK Machine Screw 6 15 PSEL E136JBEZ AK Cont Box Ang Seal 6 16 PSEL E137JBEZ AM Cont Box Cover Seal M HIA AERA Le cb LEE EB 10 AYXPC18LR 9 OUTDOOR PACKING PARTS PRICE NEW PART 9 OUTDOOR PACKING PARTS 7 1 CPADBA164JBKZ AZ Bottom Pad Assembly o 7 2 CPADBA165JBKZ AN Packing Pad Assembly 7 3 SPAKCC840JBE7 BB 7 jPeckngCase 18 73 SPAKCC861JBE7 BB Packing Case 24 AYXPC18LR BINDEX PRICE NEW PART PRICE NEW PART lt lt 1 LHLDWAO3SJBEZ 7 3 40 AC __
35. AYXPC18LR SHARP SERVICE MANUAL 93011AYXPC8LRT SPLIT TYPE ROOM AIR CONDITIONER M DEL INDOOR UNIT ODELS AY XPC18LR AY XP24LR OUTDOOR UNIT AE X18LR AE X24LR CONTENTS CHAPTER 1 PRODUCT SPECIFICATIONS CHAPTER 4 REFRIGERATION CYCLE 1 SPECIFICATION 1 1 1 REFRIGERATION 4 1 2 EXTERNAL DIMENTIONS e 1 3 2 PERFORMANCE CURVES ee 4 2 3 WIRING DIAGRAMS ee 1 5 3 REFRIGERANT PIPE INSTALLATION A ELECTRICAL 1 5 WORKS nnee 4 3 CHAPTER 2 EXPLANATION OF CIRCUIT AND OP CHAPTER 5 DISASSEMBLING PROCEDURE ERATION 1 INDOOR UNIT 5 1 1 BLOCK DIAGRAMS ees 2 1 2 OUTDOOR UNIT ee 5 5 2 MICROCOMPUTER CONTROL SYSTEM 2 3 3 FUNCTION 2 8 Parts Guide CHAPTER 3 FUNCTION AND OPERATION OF PRO TECTIVE PROCEDURES 1 TROUBLESHOOTING GUIDE 3 1 2 CHART nnen 3 2 Parts marked with A are important for maintaining the safety of the set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set This document has been published to be used for S HARP CO RPO RATI O N after sales service only The contents are subject to change without notice AYXPC18LR CHAPTER 1 PRODUCT SPECIFICATIONS 1 SPECIFICATION 1 AY XPC18LR AE X18LR MODEL INDOOR UNIT OUTDOOR UNIT ITEMS AY XPC18LR AE X18LR Cooling capacity
36. IGBT as T and ON time of IGBT as ton the voltage between collector emitter of IGBT Vs will be as follows Vs 0 during ON of IGBT ton Vs Vo during OFF of IGBT T ton Here assuming no loss in L and IGBT average value of Vs turns equal to Ei Ei T ton T x Vo Therefore Vo T T ton x Ei As ton is a smaller value than T output voltage Vo will be higher than input voltage Ei 2 12 AYXPC18LR Control IC 29 3 PFC Module Driving Electronics Circuit The PFC Module circuit operates continuously while the compressor is driving The microcomputer detects output DC voltage of the PFC Module circuit with pin 69 and controls to keep the DC voltage to be the target value The microcomputer controls so that the input AC current wave form will become a sine wave detecting the input AC voltage of the PFC Module circuit with pin 71 and detecting AC current wave form with pin 72 The microcomputer calculates to do above mentioned controls and outputs the PFC signal ON OFF duty control of 20kHz from 89 The signal is input to IN of PFCM and the PFC Module circuit operates 29 4 Output voltage of PFC Module The output DC voltage of the PFC Module circuit changes within the range from 310V to 370V in proportion to the voltage value of the power supply When the power supply voltage is AC 230V the output DC voltage is DC 330V 2 13 AYXPC18LR CHAPTER 3 FUNCTION AND OPERATION OF PROTECTIVE PROCEDURES 1 TR
37. L 310091 As r O O O DOOD 9014 ME 308 INL 559 SOA 8 4 el 00493 WOO YN geg d EIER h zov 23 210 ouo 809 880 emm m A gt lt N S NGE oo quvog M gt Se 4 PL M T 7899 K ee JLAM voet T 9 189 LOEND d Tue al 4 d Voz 0223 MOSZ 3 aay AOS M Q2 Y 007 1 EE ten oer 1086 2 Noe NE 019 9 AU m QO 9 5 anggo 2014 dL MOTI3A anggo Si C7 D B oega ZE MOTI3A Y f 222 DEEG A e 7060 zii Van 92 0 NdDLOLNO 4 YOZ MOTISA vv Lolasns Wal as CUP AVEO 7 4 LIO L Ju ama 804 ircuit diagram trol c Electronic con AYXPC18LR from CONTROL BOARD P W B BCN13 from ELECTROLYTIC CAPACITOR 10 from COMPRESSOR TERMINAL W ORANGE from COMPRESSOR TERMINAL V WHITE R32 gab x C313 R303 R304 H C302 12 from ELECTROLYTIC CAPACITOR C9 ZZ8f v60VNEMdO from CONTROL PWB BCN1 from PFC COIL from CONTROL PWB CN14 from ELECTROLYTIC CAPACITOR C9 nscy UBKZ W M TNR R309 e M 2 3 Qo ac e 26 TL1 from PFC COIL 25 27 RN _ el PFCM P W B FROM CONTROL PWB 2 er si Ce SEMINE 2 2 oO gt og 20 08 IPM P W B
38. Min Max 5 00 1 40 5 70 Electrical data Rated current 3 Min Max 6 8 1 3 10 7 Rated input Min Max Power factor 3 Compressor Refrigerant system Noise level cooling low EE Sot dBA 33 Direct drive Air flow quantity cooling ow 124 o So mm 95 Connections 1 2 1 4 Drain piping mm Others Safety device Compressor Thermal protector Fan motors Thermal fuse Fuse Micro computer control Air filters Polypropylene net Washable Fan system Net dimensions 850 710 330 NOTE The conditions of stars marked item are based on 14511 2 AY XP24LR AE X24LR MODEL INDOOR UNIT OUTDOOR UNIT ITEMS AY XP24LR AE X24LR Moisture removal at Ge Electrical data Rated voltage Rated current 9 6 1 2 13 3 MINOS Rated input EGO Powerfactor Loog Im Heat HB Compressor Refrigerant system Noise level ES Low Sot 883 LI Fan system Air flow quantity cooling Low mmm _ 144 LI mimm 107 Connections Others Safety device Net dimensions NOTE The conditions of stars marked item are based on EN14511 AY XPC18LR AYXPC18LR 2 EXTERNAL DIMENTIONS 1 Indoor unit
39. OUBLESHOOTING GUIDE 1 SELF DIAGNOSIS FUNCTION AND DISPLAY MODE 1 To call out the content of the self diagnosis memory hold down the emergency operation button for more than five seconds when the indoor unit is not operating a According to the content of the self diagnosis memory the Operation LED main category and the Plasmacluster lon LEDs sub category flash in sync with the Timer LED on the indoor unit b In the event a complete shutdown occurs due to a malfunction the Operation LED red Timer LED yellow and Plasmacluster lon LED blue flash to indicate the general information of the generated malfunction c If the power cord is unplugged from the AC outlet or the circuit breaker is turned off the self diagnosis memory loses the stored data 2 Display of detailed self diagnosis result with main category and sub category indications When malfunction information is called out the main category and sub category of the self diagnosis result are indicated by the Operation Timer and Plasmacluster lon LEDs on the indoor unit 1 Example of self diagnosis result displayed on indoor unit Suction thermistor open circuit error Main category Sub category 1 Example of self diagnosis result displayed on indoor unit Suction thermistor open circuit error Malfunction N D _ Basic flashing cycle due to error 1 sech sec 5 sec 16 8 4 2 1 OFF Figures in indicate numbers binary notation assig
40. ad he H 4 052 mes 7 ens 81 3418 n 40001 O ETE A A EWO T 99 zev 4 E 80108 gp Ee SC di pnm A i 295 BEL xus ER ees OP f E VS gge S 5 289 i doozz 2 lt ed 9 e LEVIA A08 m E 221 27 ce x 918 bit dina SH E i a p Em E 5 AS SIS 688 S mI z 5 pH 991 1 4 5 2 ey lt 20065 dooZv i IU 39022 zza vezvem SI8LVDI ilz Gg 499 AOS T x NOZINLa 1 82 e 679 m 120 rz Sr E e alls 80029 doot 528 LvO 4 Laa i a ogvasza 228 002 1015 195 ME L ao zaz ngs S fis AA 4 52 foe sot ett el 0 c _i AYXPC18LR FROM CLUSTER GENERATOR FROM LOUVER MOTOR VERICAL FROM LOUVER MOTOR HORIZONTAL FROM THERMISTOR TO TERMINAL BOARD FROM FAN MOTOR TOP N WII Wl ali en 11555187 1 IPT N a JP46 0207 M ge C36 r e C35 JP27 JP 26 a _ R50 E139124 SANE A PAN 05 94VO 79 e
41. anger freeze prevention con trol If the temperature of the indoor unit heat exchanger remains below 09 for 4 consecutive minutes during cooling or dehumidifying opera tion the compressor operation stops temporarily in order to prevent freezing When the temperature of the indoor unit heat exchanger rises to 2 C or higher after about 180 seconds the compressor restarts and resumes normal operation 4 Outdoor unit 2 way valve freeze prevention con trol If the temperature of the outdoor unit 2 way valve remains below 0 C for 10 consecutive minutes during cooling or dehumidifying operation the compressor operation stops temporarily in order to prevent freez ing When the temperature of the 2 way valve rises to 10 C or higher after about 180 seconds the compressor restarts and resumes normal operation 5 Indoor unit overheat prevention control During heating operation if the temperature of the indoor unit heat exchanger exceeds the indoor unit heat exchanger overheat preven tion temperature about 45 to 54 C which is determined by the operat ing frequency and operating status the operating frequency is decreased by about 4 to 15 Hz Then this operation is repeated every 60 seconds until the temperature of the indoor unit heat exchanger drops below the overheat protection temperature Once the temperature of the indoor unit heat exchanger drops below the overheat protection temperature the operating frequency is i
42. deCabinetRSed 0 1 1 22 LHLD B097JBFA AK Thermistor Holder 1 38 PSEL E184JBE7 AE Condenser SealA 1 39 PSEL E185JBEZ AE jCondmserSedB 21 CCHS B151JB17 BB Base Pan Sub Assembly 22 GLEGMA059JBPZ AK jBasStad 23 DVLV B073JBKZ AY 1 j2WayVaveUnit 4 24 DVLV B074JBKZ BC j93WayVaveUnt 18 0 0 0 0 24 DVLV B087JBKZ BF 1 3Way Valve Unit 24 0 0 0 0 2 3 3 PDAi A254JBPZ AN Flare Coupling Base 2 5 DVLV B075JBKZ BU jReveseValeAssemby 29 1 RCiL A132JBZ7 AX Ch 2 5 2 LX BZA434JBEZ AR Special Screw 2 6 DVLV B086JBKZ BM Expan Valve Assembly 2 7 DCON A580JBP7 18 2 7 DCON A587JBPZ BM 2 242 GLEG A157JBEZ AK Comp Cushion Rubber 2 13 LX NZA395JBEZ AK Nut 2 14 PCMPRA652JBEZ DD Compressor J J O J 5 PCOV B633JBEZ AE 1 Terminal Cover 7 6 PSEL E047JBEZ AE Terminal Gasket 2 317 RMOTSA037JBZZ BC 8 LX NZA250JBEZ AE 9 PCAP A075JBFZ Nu bone 2 20 2 AG 1 0011 LX NZA299JBEZ AR 1 jFlaeNu 24 7 21 PCAP A089JBEZ AX
43. dually varied after one hour reduced 1 C three times max 3 C in heating or increased 0 3 C three times max 1 C in cooling or dehumidifying operation so that the room temperature remains suitable for comfortable sleeping Heating operation Set temperature Activation of 1 hour Max Max Timer setting OFF timer later 1 5 hours 2 hours reached later later Cooling dehumidifying operation 0 3 C 0 3 0 3 C Set temperature Activation of 1 hour Max Max Timer setting OFF timer later 1 5 hours 2 hours reached later later AYXPC18LR 14 Power ON start If a jumper cable is inserted in the location marked with HAJP on the indoor unit control printed circuit board control PCB connecting the power cord to an AC outlet starts the air conditioner in either cooling or heating mode which is determined automatically by the room temper ature sensor When a circuit breaker is used to control the ON OFF operation please insert a jumper as described above 15 Self diagnostic malfunction code display 15 1 Indoor unit 1 When a malfunction is confirmed all relays turn off and a flashing operation LED timer LED Plasamacluter LED is displayed to indi cate the type of malfunction When the air conditioner is in non operating condition holding down AUX button for more than 5 seconds activates the malfunc tion code display function The operation continues only in the case of a serial open circu
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45. ejdes 2 40 ue un Joopino 2 uonejjejsuI BINDS JO JOJOW UEL OQ yun uone ejsur BU 3994102 1 ay Jo END 1012euuoo 1 103902 un y poujeuj uoneoo uonoedsu uonnedoi jo JOQUINN uoneJedo 5 e jou y INQ UONCOIUNWILUOD jenas HUN 3y SI sisouDeip JO 14 2109 941 E anp UO JOU jun JOOPINO Joen uoneJedo o 4015 KjeJoduug yun JOOPINO uoneJedo ui JOOPUI Joen uoneJedo syun uedo ueeAg9q Sol 3SN duue uoneJedo SINPON 23d INO3d SINPON 24d Jeyy SINPON Odd eBejoA SINPON 944 ueuno JO 1039 uonoejeq 191sn 2 uoneJedo Joen duue uoneJedo Joen uoneJedo e npoiN 044 Joopino Joen uoneJedo Burzibueue 208 101610 10869 4 2 Jejsn 2 uoneJedo Buizi amp jeue 202 10869 4 2 Jejsn 2 duue uoneJedo Joen duue uoneJedo 4109 dnyuejs JOsseidwog 9q Ajddns Jemod pJeoq ul
46. ez 7218 ae LBND A042JBE0 5 6 22 fac C Pser Eoerseez __ 171 58 p 86 PSEL E120JBEZ saets AK LBND A046JBE0 5427 __ et LBND A087JBEZ 6 231 AE __ 2018 2 ___ 5 1 17 3 LBNDKAiSTJBWZ 1 7 3 38 NI P8EL E1s0J8EZ 5 1 17 3 N THED AZTTUBKEO T 7 24 qn EE Id LHID A588 8FR i 2 i7 A PSE s 1 5 i AK eet PSEL E138JBEZ Stier LHLD B030JBFA 1 2 231 __ L PSEL ET387882 _ 773 981 Jaf LHLD B031JBFA 1 2 22 neni LHLD B083JBFA 1 2 16 ak ____ 5 7 8616 moserne 75 3 f PSEL E153JBEZ 5 1 17 8 a LHLD B070JBFZ 1 2 4 E Pome 1537 LHLD B095JBFA sacia ak 84 8 2 7 3 59 ARL LHLD B096JBFA 7 3 39 ao FSEL ETE4JBEZ 68 1238 AE LHLD B097JBFA 1 22 1 L 5 82 61 39 AE 1 12 AYXPC18LR PRICE NEW PART PRICE NEW PART PSEL E188j8EZ 5 1 4 XjTS740P10000 ___ een BSEL E188JBEZ 31 1788 H _ 861 173 2 L XIPS740P25000 155 2 PSEN A053JBKZ AN
47. i Coil of expansion istor oan wy White V 1 4 Orange W 2 SCH A pU NOTE Caution to the position of connectors when reinstalling 10 Remove the 5 screws fixing the controlbox assembly then remove it Control Box Assembly 11 Remove the 11 screws fixing the side cover R and slide the side cabinet R Side cabinet Side cabinet R AYXPC18LR 1 Tilt the side cabinet R then remove the left side hook 13 Remove the 2 screws fixing the bulkhead then remove it 2 Keep the above condition and remove the side cabinet R by sliding to sideways 14 Remove the compressor covers 3pcs mmm Fa r 1 T Mr Side cabinet L AYXPC18LR 15 Cut the fixing bands and remove thermistors 18 Disconnect 3 terminals NOTE Caution to the position of connectors when reinstalling Orange C J Thermistor White S 5 Ther gt 16 Remove the compressor cover f AYXPC18LR 21 Remove the 4 screws fixing the fan motor then remove it e os e the fix CS eat won lt gt LS and EEE Lire a are Wei ida 23 How to disassemble the control box assembly 1 Remove the 4 screws fixing the PWB then remove it comm 22 Position of the thermistors NOTE Caution to the position when reinstalling
48. ic By varying the set temperature in 1 C 0 33 C range follow ing 1 f fluctuation the rise in set temperature will correspond to 0 5 C in calculation Since this air conditioner model is inverter type com pressor output will also vary in the same manner As a result this will help saving electricity cost 28 2 Heat Operation By pressing ENERGY SAVE button during Heat operation set temper ature will vary in 2 C 1 C range and will correspond to lowering the set temperature 1 C in calculation NOTE When used in combination with Full Power control priority is given to the latter pushed button s control AYXPC18LR 29 PFC MODULE CIRCUIT These model s circuit uses PFCM Power Factor Correction Module and IPM as the figure below for the high efficiency operation of compressor Choke coil Active filter n 2 1 tion circuit ise f BENE T2 Noise filter omp circuit m ressor Positional detection Sine wave current Voltage raise ON OFF 7 IPM Compressor Control Driving signal source Control mur 29 1 PFC Module In the case the direct current is obtained by the diode bridge and smooth capacitor from the commercial power source the current wave shape will be the pulse shape at the peak of the voltage wave shape as shown in the figure below For this reason the harmonic current will be generated and at the same time the power factor will be deteriorated While
49. it and the main relay turns off after 30 seconds if the open circuit con dition remains In the case of a serial short circuit the air conditioner continues operating without a malfunction code display and the main relay turns off after 30 seconds if the short circuit condition remains The malfunction information is stored in memory and can be recalled later and shown on display 2 memory can be recalled and shown on the dis play by stopping the operation and holding down AUX button for more than 5 seconds For details refer to the troubleshooting section 15 2 Outdoor unit If a malfunction occurs LED1 on the outdoor unit flashes in 0 2 sec ond intervals as shown below Example Compressor high temperature abnormality ON OFF 1 sec 1sec 0 6 sec 16 AUXILIARY MODE Use this mode when the remote control is not available To turn on lift the open panel of the indoor unit and press the AUX but ton The unit start operating the AUTO mode e The fan speed and temperature setting are set to AUTO To turn off press the AUX button again AYXPC18LR 17 Airflow control 17 1 VERTICAL AIR FLOW DIRCTION 1 Press the SWING button 57 on the remote control once The vertical air flow louvre will swing 2 Press the SWING button 7 again when the vertical air flow lou vre is at the desired position The adjusted position will be memorized and will be automati call
50. mp C eo eo eo N Get eo A O Outside air temp C 0 5 10 15 Outside air temp C AYXPC18LR 2 AY XP24LR 2 1 Cooling 2 2 Heating 2500 2150 2400 2050 2300 z 2200 1950 2100 z 1850 2000 1750 1900 1656 1800 1700 22 1600 1450 20 25 30 35 40 45 50 10 5 0 5 10 15 Outside air temp C Outside temp C 8 6 8 6 _ 8 2 7 8 7 8 7 0 7 4 5 6 2 0 O O 2 7 0 254 5 5 5 6 6 2 4 6 6 2 3 8 5 8 3 0 20 25 30 35 40 45 50 10 5 0 5 10 15 Outside air temp C Outside air temp C 16 0 44 0 15 0 42 0 140 a 13 0 5 38 0 12 0 5 5 36 0 11 0 34 0 10 0 32 0 20 25 30 35 40 45 50 10 5 0 5 10 15 Outside air temp C Outside air temp C 3 REFRIGERANT PIPE INSTALLATION WORKS Refrigerant pipe length and level difference between the indoor and outdoor units MODEL PIPESIZE STANDARD PERMISSIBLE PERMISSIBLE LEVEL CHARGE LESS ADDITIONAL LIQUID LENGTH DIFERENCE LENGTH CHARGE AY XPC18LR 1 2 AY XP24LR AYXPC18LR CHAPTER 5 DISASSEMBLING PROCEDURE If in carrying out repairs and modification
51. ncreased by about 4 to 10 Hz every 60 seconds until the normal oper ation condition resumes If the temperature of the indoor unit heat exchanger exceeds the over heat protection temperature for 60 seconds at minimum operating fre quency the compressor stops operating and then restarts after about 180 seconds and the above mentioned control is repeated 6 Outdoor unit overheat prevention control During cooling operation if the temperature of the outdoor unit heat exchanger exceeds the outdoor unit heat exchanger overheat preven tion temperature about 55 C the operating frequency is decreased by about 4 to 15 Hz Then this operation is repeated every 60 sec onds until the temperature of the outdoor unit heat exchanger drops to about 54 C or lower Once the temperature of the outdoor unit heat exchanger drops to about 54 C or lower the operating frequency is increased by about 4 to 10 Hz every 60 seconds until the normal operation condition resumes If the temperature of the outdoor unit heat exchanger exceeds the out door unit heat exchanger overheat protection temperature for 120 sec outdoor temperature gt 40 C 60 sec outdoor temperature lt 40 C at minimum operating frequency the compressor stops operat ing and then restarts after about 180 seconds and the above men tioned control is repeated 7 Compressor overheat prevention control If the temperature of the compressor exceeds the compressor over hea
52. ned based on the flashing sequence ON Operation LED red Flashing for main category indication 4 Plasmacluster lon LED blue Flashing for sub category indication 2 2 The self diagnosis display function of the outdoor unit indicates the error information by flashing LED1 on the outdoor unit according to the content of self diagnosis Timer LED yellow The self diagnosis display function of the outdoor unit is active only for about 3 to 10 minutes after self diagnosis is performed during operation and the display returns to normal condition after this display period The content of self diagnosis cannot be called out by the self diagnosis display function of the outdoor unit Example of self diagnosis display on outdoor unit Compressor high temperature abnormality ON 1 sec sec 0 6 sec 1 sec 0 6 sec 1 sec 1 sec 1 sec 106 sec 1 sec 0 6 sec 1 sec 1 sec OFF 3 The content of diagnosis is transferred to the indoor unit via serial communication but it does not trigger a complete shutdown operation AYXPC18LR ON Jo JequinN uwopinus e jou SBOP 1nq uoneoiunuJuJoo jenas BIA yun Joopul AU si SISOUBEIP JO E c uoneJgedo Ipiuunuep snp 19jsn 2 uonoejoJd e o o JO dos d
53. o AUTO NOTE Use of the PLASMACLUSTE operation will be memorized and it will be activated the next time you turn on the unit 24 SPOT AIR operation The louvers are adjusted so that air flow is delivered to the desired area Press the SPOT AIR button to select the desired air flow direction CEN AR AR CANCEL o Zen A GN NOTE If you want the SPOT AIR setting in the FULL POWER mode press the SPOT AIR button during the FULL POWER operation The COANDA AIRFLOW setting and the SPOT AIR setting can not be used together 25 Hot keep If the room temperature is in the Hot keep 1 or Hot keep 2 zone dur ing heating the compressor is turned on and off to prevent overheat ing The fan goes off 30 seconds after the compressor goes off AY XPC18LR MULTI USE COMPRESSOR INTER MITTENT TIME Hot keep 1 Up to 3 3 min On When room temper times 3 min Off ature reaches setting 3 min On 3 min On temperature Hot keep 2 Room temperature becomes higher 1 C or more than setting After 2nd Off temperature AY XPC18LR SINGLE USE OR AY XP24LR COMPRESSOR INTER MITTENT TIME Hot keep 1 Up to 3 3 min On When room temper times 3 min Off ature reaches setting After Ath 6 min On 3 min Off 6 min On 26 Winter cool Cooling operation is available during the winter season by the built in winter cool function Same as com pressor The fan contin ues to repeat
54. o be cancelled when the oper ation mode is changed or when the unit is turned off The green FULL POWER lamp on the unit will turn off NOTE The air conditioner will operate at Extra HIGH fan speed for 5 minutes and then shift to HIGH fan speed You can not set the temperature or fan speed during the FULL POWER operation To turn off the FULL POWER lamp press the DISPLAY button 22 Self Clean operation Heating or Fan operation and Plasmacluster operation are performed simultaneously The judgment of whether Heating or Fan operation is used is based on the outside air temperature at 3 minutes after the start of internal cleaning But the multi use of AYXPC18LR is only Fan operation The operation stops after 40 minutes e During this operation the vertical air flow louver moves and stays two positions It turns to the lower direction and stays for 30 minutes Next moves upward and stays for 10 minutes Heating operation Fan operation 24 C Outside air temperature 23 Plasmacluster lon function Plasmacluster lons released into the room will reduce some airborne mold Press the PLASMACLUSTER button during operation The Plasmacluster function is operated together with the air condi tioner operation Press the PLASMACLUSTER button when the unit is not operating The Plasmacluster function is operated in fan only mode The mode symbol of remote control will go off and the fan speed cannot be set t
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58. quency control demand issued from the indoor unit based on the room temperature 10 Outdoor unit fan delay control The compressor stops immediately after cooling dehumidifying or heating operation is shut down but the outdoor unit fan continues operation for 50 seconds before it stops 11 Defrosting 11 1 Reverse defrosting The defrost operation starts when the compressor operating time exceeds 20 minutes during heating operation as shown below and the outside air temperature and the outdoor unit heat exchanger tem perature meet certain conditions When the defrost operation starts the indoor unit fan stops The defrost operation stops when the out door unit heat exchanger temperature rises to about 10 C or higher or the defrosting time exceeds 10 minutes 20 min or more 20 min or more 20 min or more Start of heating operation Defrosting Defrosting Max 10 min Max 10 min 12 ON timer The ON timer can be activated by pressing the ON timer button When the ON timer is activated the operation start time is adjusted based on fuzzy logic calculations 1 hour before the set time so that the room temperature reaches the set temperature at the set time 13 OFF timer The OFF timer can be activated by pressing the OFF timer button When the OFF timer is set the operation stops after the set time When this timer is set the compressor operating frequency lowers for quieter operation and the room temperature is gra
59. r 2 24 PCOV A300JBFO AB Thermo Holder Cover 2 25 DSGY E160JBKZ7 BT Control Board Unit Sub gt gt 0 31 CPiPCB413JBKZ BN I JrTubeAssemby 18 0 0 0 0 0 31 CPiPCB428JBKZ BK TubeAssembly 4 3 2 PSEN A044JBKZ AG 1 Flare Nut Assembly 2 33 PSEN A053JBKZ AN 1 Flare NutAssembly 4 3 4 PVLV A381JBE7 AN Flare Union 1 4inch gt 3 5 PVLV A376JBE7 AS Flare Union 1 2 inch 18 3 55 79 8 2 AT Flare Union 5 8 inch 24 3 7 PSEL E180JBE7 AG Evaporator seal 2 3 9 CCYC C523JBKZ7 BU Evaporator Assembly 18 3 9 CCYC C533JBKZ7Z BU Evaporator Assembly 24 43 DHLD A037JBKZ AV Cord Holder Assembly 47 PPLTNA120JBWZ AZ Mounting Angle 9 1 LX BZA075JBEO AA SpecialScrew amp 0 0 0 0 0 0 Ss 2 XTPS740P25000 TAPPINGSCREW gt O N2 NIN CO NI Oy BY 00 AYXPC18LR 2 ACCESSORY PARTS 4 1 17 4 4 4 2 PRICE NEW PART 2 ACCESSORY PARTS 4 1 CRMC A797JBEZ BL Remote Control 4 2 UBATUAO27JBEO AE Battery Pack 4 4 LX BZA357JBEZ AE 1 Special screw 4 5 LX NZA207JBEZ AE Special Nut 4 6 LPFT A134JBFZ AF Drain Joint
60. rB gt J 1 33 TLABMA565JBRA AQ weer Label 1 34 TSPC G722JBRZ AK X 4 1 34 TSPC G769JBRZ AK Namelabel 24 1 35 PSPF B161JBEZ AY CompressorCoverA 1 36 DCOV A347JBKZ AW Side Cover Assembly gt 1 1 1 1 1 361 LX BZA461JBEZ AH Special Screw _ 1 36 2 PCOV B726JBWZ AM Terminal Cover 1 363 PCOV B740JBFA AN jJSideCover2 gt 1 364 PSEL CO51JBE7 AE JjSideCovrSed _ gt gt 1 37 PSPF B162JBE7 AS Compressor CoverC 6 13 LX NZA378JBEZ AK f JSpedaNu 24 6 22 LBND A042JBEO AC Wire FixingBand 7 CO UOT N e O AYXPC18LR 1 39 6 CYCLE PARTS m SD e LZ ASSAI ERE SY 52 N gt lt c LL 2 7 FOR AEX2ALR _ ECH wes ac LLI lt 84 O SC i N AYXPC18LR PRICE NEW PART PARTS CODE RANK MARK RANK DESCRIPTION 6 CYCLE PARTS 1 23 MSPR A026JBEO AB Thermistor Spring 1 224 MSPR A036JBEO0 AB Thermistor Spring 1 45 1204 2 AK JSi
61. s the work requires the use of arc and flame producing apparatus such as welding brazing and soldering equipment this work shall only be started after the rooms have been thoroughly ventilated While the work is being carried out the mechanical venti lation if any shall be kept in constant operation and all windows and doors kept open In the case of repairs to parts of the refrigerant circuit it may be necessary that not only the workman but also a second person shall be present for observation and assistance Necessary protective equipment shall be available and in the case of open flames or arcs fire extinguishing apparatus shall be ready to hand Welding and brazing shall be carried out by qualified workmen Be sure to disconnect the power cord from the AC power outlet before starting the disassembly procedure When reassembling the unit after repair ing be sure to install screws to their original positions The screws used are not the same in specifications such as corrosion resistant treatment tip shape and length After the air conditioner is repaired or parts are replaced measure insulation resistance of the equipment using an insulation resistance meter If the measured resistance is lower than 1 MQ inspect parts and repair or replace defective parts 1 INDOOR UNIT CAUTION DISCONNECT THE UNIT FROM THE POWER SUPPLY BEFORE ANY SERVICING 1 Disassembling procedure of the indoor unit 4 Remove the screw fixing the Cord holder
62. s fixing the side cover R and remove the and fe remove the evaporator from the cabinet Right side tt n 18 Loose a screw fixing cross flow fan AYXPC18LR 2 ELECTRIC CONTROL BOX 2 Open the horizontal louver to remove it from the holders 1 Remove a screw fixing the terminal board 3 The louver and related 1 Remove the two screw fixing the louver motor CERE AYXPC18LR 2 OUTDOOR UNIT 1 Remove the 4 screws fixing the side cover and valve cover then 4 Remove the 5 screws fixing the motor angle T then remove it remove them 2 Side cover Valve cover 2 Remove the 6 screws fixing the top plate then remove it Top plate 5 29 rg 6 Remove the 4 screws fixing the front panel L then remove it Front panel L 22 3E 7 77 74 Top plate rens jii panel R down then remove it 58 _ Front panel R Wu nn fi d EN 1 LI 2 227 gt Ki AYXPC18LR 7 Cut the insulators 8 Remove the 2 screws fixing the control box cover then remove it CAUTION Discharge electrytic capacitor before touching this capaci tor or other components or wirings Control box cover 9 Disconnect the 4 connectors and the 3 terminals Thermistor m OW AURA Coil of reverse valve KE gt d J a
63. signal WO je Unit unit wiring Serial signals LED display lTestrunciruit Test run forced operation Auxiliary mode button ON OFF Power on circuit Self diagnostics fault diagnosis Cluster generator drive circuit Cluster generator Audible operation confirmation NO A AYXPC18LR 2 Outdoor unit AC clock circuit 1A 20A i rotection Power supply Protection smoothing Filter P circuit 2771 circuit PFC Module circuit Ner 2A CPU oscillator circuit protection C 3 15A DC overvoltage detection circuit pr Becton Outdoor fan drive circuit Outdoor fan 4 way valve relay drive circuit DC overcurrent detection circuit 20A protection Power transistor module drive circuit Power transistor module o No CPU Serial I O circuit Unit unit wiring AC power and serial signals CPU reset circuit Position detection circuit Compressor AC overcurrent detection circuit Current transformer Compressor thermo circuit Compressor thermistor Heat exchanger pipe thermo circuit Heat exchanger pipe thermistor Outdoor temp thermo circuit Outdoor temperature thermistor Suction temp thermo circuit Suction pipe thermistor EEPROM LED drive circuit 4 4 Test mode circuit Expansion valve drive circuit Expansion valve r NO TI NO AYXPC18LR 2 MICROCOMPUTER CONTROL SYSTEM 1 Indoor uni
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65. t Sub Assembly gt 1 1 10 1 0 o 1 6 BD CrossFlowFam 1 7 D 8RA A339JBKZ BF Drain Pan Sub Assembly 4 1 8 MJNTPA158JBFA AL X JLowerlnkL 4 19 MJNTPA159JBFA AL 1 10 MLOV A532JBFA AL 1 Verticallouver 1 d1 MLOV A533JBFA BB Horizontallower 4 1 d2 MJNTPA160JBFA AL MotorJoint 4 1 3 NBRG A057JBFA AL 1 d4 NBRG A026 BFA AB 1 Louver Bushing 4 1 16 PHOS A058JBE7 AX 4 1d7 LPLT A058JBPZ AC Hose Holder 1 18 DCOV A207JBKZ AF Drain Cover Assembly 1 1 1 1 21 CCOV A327JBKZ AU 4g jCovrRAssemmbly 2 1 21 1 PCOV B581JBFA AL Receving Filter 24 1 21 2 PCOV B747JBRA AK Cover 1 21 3 PCOV B583JBRA AS Cluster Display 1 21 4 PSHE A278JBEZ AH 1 1 22 DCOV A357JBKZ AK Cover Assembly 1 259 PFiLMA250JBEB AN 1 26 DHLD A010JBKZ AK Tube Holder Assembly o 0 1 1 1 27 DPNL A062JBKZ BD Open Panel Assembly 1 28 PPLT A756JBFZ AL JSideCoverL gt 1 22 PPLT A666JBPZ 2 24 1 34 DCOV A349JBKZ AL CoverAssembly gt gt 1 35 DHLD A049JBKZ AL Holder Assembly 1 6 LHLD A277JBFO AD 1
66. t prevention temperature 110 C the operation frequency is decreased by about 4 to 10 Hz Then this operation is repeated every 60 seconds until the temperature of the compressor drops below the overheat protection temperature 100 C Once the temperature of the compressor drops below the overheat protection temperature the operating frequency is increased by about 4 to 10 Hz every 60 seconds until the normal operation condition resumes If the temperature of the compressor exceeds the overheat protection temperature for 120 seconds in cooling operation or 60 seconds in heating operation at minimum operating frequency the compressor stops operating and then restarts after about 180 seconds and the above mentioned control is repeated 8 Startup control When the air conditioner starts in the cooling or heating mode if the room temperature is 2 C higher than the set temperature in cooling operation or 3 5 C lower in heating operation the air conditioner operates with the operating frequency at maximum Then when the set temperature is reached the air conditioner operates at the operat ing frequency determined by fuzzy logic calculation then enters the normal control mode after a while 9 Peak control If the current flowing in the air conditioner exceeds the peak control current see the table below the operation frequency is decreased until the current value drops below the peak control current regardless of the fre
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68. y set to the same position when operated the next time 17 2 HORIZONTAL AIR FLOW DIRCTION 1 Press the SWING button A on the remote control once The horizontal air flow louvre will swing 2 Press the SWING button again when the horizontal air flow louvre is at the desired position The adjusted position will be memorized and will be automati cally set to the same position when operated the next time CAUTION Never attempt to adjust the louvres manually Manual adjustment of the louvres can cause the unit to malfunc tion When the vertical air flow louvre is positioned at the lowest posi tion in the COOL or DRY mode for an extended period of time condensation may result CAUTION Never attempt to adjust the louvres manually e Manual air flow on the louvres can cause the unit to malfunction Position in the COOL or DRY mode for an extended period of time When the air flow air flow louvre is positioned at the lowest conden sation may result 18 COANDA AIR FLOW Press the COANDA AIR FLOW button during cooling or dry operation when you do not want to feel cold air Vertical air flow louvre is set obliquely upward to deliver cool air to the ceiling Press the button during heating operation Vertical air flow louvre is set downward to deliver the warm air down to the floor and warm you During operation press the COANDA AIR FLOW button The remote control will display TO CANCEL Press the COANDA AIR
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