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SPLITTYPE
ROOMAIRCONDITIONER
WALLMOUNTEDTYPE
Indoorunit Outdoorunit
MW18Y3H MR18Y3H
MW24Y3H MR24Y3H
CONTENTS
SPECIFICATIONS....................1
DIMENSIONS........................2
REFRIGERANTSYSTEMDIAGRAM.....4
CIRCUITDIAGRAM...................5
INDOORPCBCIRCUITDIAGRAM.......7
OUTDOORPCBCIRCUITDIAGRAM....10
ERRORDERECTION.................16
PARTS(INDOORUNIT) ..............18
PARTS(OUTDOORUNIT)............22
ACCESSORIES.....................26
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SPECIFICATIONS ELECTRICALDATA TYPE Cool&heatinverter INDOORUNIT MW18Y3H MW24Y3H OUTDOORUNIT MR18Y3H MR24Y3H COOLINGCAPACITY 18,000BTU/h 5.28kW 22,000BTU/h 6.50kW 21,600BTU/h 6.30kW 27,600BTU/h 8.10kW HEATINGCAPACITY POWERSOURCE 208V/230V 208V/230V FREQUENCY 60Hz 60Hz Cooling 6.3A 7.9A RUNNINGCURRENT Heating 8.0A 10.5A Cooling 1.38kW 1.76kW INPUTWATTS Heating 1.80kW 2.38kW E.E.R. Cooling 13.0BTU/kW 3.83kW/kW 12.5BTU/kW 3.69kW/kW COP Heating 12.0BTU/kW 3.50kW/kW 11.6BTU/kW 3.40kW/kW MOISTURE REMOV
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DIMENSIONS INDOORUNIT Unit:inch(mm) 12-5/8" (320) 39-1/4" (998) 9" (228) Drainpipediameter Inside:5/8inch(16mm) Outside:1-3/32inch(28mm) Liquidpipediameter:3/8inch(9.52mm) Gaspipediameter:5/8inch(15.88mm) 2010.02.26 2
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OUTDOORUNIT Unit:inch(mm) 1/2" 13"(330) (12) 35-1/2"(900) 3"(77) 1-1/4" (31) 15-3/4"(400) AirFlow 25-5/8"(650) 5-3/4"(147) 6-3/4"(170) 2010.02.26 3 32-3/4"(830) 14-5/8"(370) 7/8" (21) 3/8" (9) 3-7/8" 17-3/8"(440) (99) 7-3/4"(196)
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REFRIGERANT SYSTEM DIAGRAM Heatexchanger (INDOOR) 3-Wayvalve (Large) 3-Wayvalve Muffler (Small) Pressure Strainer switch Expansion valve 4-Wayvalve Heatexchanger Strainer (OUTDOOR) Coolingflow Heatingflow Refrigerantpipediameter Liquid:3/8"(9.52mm) Gas:5/8"(15.88mm) 2010.02.08 3 Compressor Sub-accumulator
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CIRCUIT DIAGRAM MW18Y3H/MR18Y3H INDOORUNIT OUTDOORUNIT TEST HIGHPRESSURESWITCH RED 2 2 1 2 5 3 4 RED CN90 1 1 CN13 BLUE EXOUT 2 1 1 THERMISTOR(COMPRESSORTEMP.) YELLOW (OPTION) BROWN 1 2 2 3 3 WHITE 3 3 CN64 2 2 BLACK CN42 CN40 CN200 CN400 BROWN 3 4 4 FM FANMOTOR 1 1 EX IN 2 5 5 12345 12345 678 9 1 2 1234 THERMISTOR(OUTDOORTEMP.) (OPTION) RED BLUE 1 6 6 2345 23456789 2 1234 1 1 1 3 3 CN62 2 2 BLUE THERMISTOR(PIPETEMP.) BLUE 1 1 6 6 PINK BLACK THERMISTOR(PIPETEMP.) 5 5 INVERTERPCBASSY BLACK BLACK
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MW24Y3H/MR24Y3H INDOORUNIT OUTDOORUNIT TEST HIGHPRESSURESWITCH RED 2 2 1 2 3 4 5 RED CN90 1 1 CN13 BLUE EXOUT 2 1 1 THERMISTOR(COMPRESSORTEMP.) YELLOW (OPTION) BROWN 1 2 2 3 3 WHITE 3 3 CN64 2 2 BLACK CN42 CN40 CN200 CN400 BROWN 3 4 4 FM FANMOTOR 1 1 EXIN 2 5 5 12345 123456789 1 2 1234 THERMISTOR(OUTDOORTEMP.) (OPTION) RED BLUE 1 6 6 12345 12345 678 9 1 2 1234 3 3 CN62 2 2 BLUE BLUE THERMISTOR(PIPETEMP.) 6 6 1 1 PINK BLACK INVERTERPCBASSY THERMISTOR(PIPETEMP.) 5 5 BLACK BLACK M STEPMOTOR(DIFFUSE
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INDOOR PCB CIRCUIT DIAGRAM CONTROLUNIT MW18Y3H:EZ-0090HHSE MW24Y3H:EZ-0090KHSE TERMINALBOARD N THERMAL 1 FUSE102 L 2 OUTDOORUNIT SERIAL 3 EARTH EARTHTERMINAL INDICATORPCBASSEMBLY K05CY-0902HSE-D0 W5 TM2 TM1 TM4 GREEN 22007 22007 22007 RED WHITE BLACK CONTROLLERPCBASSEMBLY MW18Y3H:K08CX-0903HSE-C1 MW24Y3H:K08CX-0904HSE-C1 CN6-1 RED CN6-2 WHITE WIREDREMOTECONTROLUNIT CN6-3 BLACK CN11 CN201 B07B-PASK JB20-07HG CN2 1 CN11-1 RED 1 LOUVER(RIGHT/LEFT) SJH20-05WS CN11-2 WHITE 2 2 CN2-1 RED 1 3 CN11-3 WH
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T1 340V MY064 D7 D9 UD7G-TB D1FL20U 6 D12 D2FL20U 5 12V W5 4 D10 D1FL20U R79,R81-R84 5V 3 8 IC26 20V F1 10k<1/10W> x5 C6 R45 C32 2 9 GK-LV3011E4 + T1-12 C4 FSL 3.15A 1 10 100k 0.01 R67 100/ 47pF/ 250V 150 IC26-14 IC26-10 420V (EM) TH1 1kV AUTORESTART/PULAGON JM5 <1/10W> 18 14 10 54 3 2 1 5D2-10-LCS 1 SL IC1-76 R106 D8 C35 ROOMTEMPERARURE 8 7 6 5 43 2 1 R48 5V C38 R53 JM6 K1-4 R64 CORRECTION-1 1.0k 2 3 1SS355 IC1-42 0.01 200k VA6 IC26-10 1.8k 0.1 5.6k ROOMTEMPERARURE <1/2W> C13 TM2
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INDOORUNIT INDICATORPCBASSEMBLY K05CY-0902HSE-D0 5V 5V CN201 07JB20/PAP 1061L=230 D201 SLR-325MC 1 GREEN 2 3 D202 SLR-325DC 4 ORANGE 5 C201 6 0.1 GREEN 7 D203 SLR-325MC 5V IC201 R201 GP1UM261RKVF 47 VCC 2 <1/4W> OUT 1 GND 3 +C202 47/ 10V 2010.01.20 9
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OUTDOOR PCB CIRCUIT DIAGRAM INVERTERASSEMBLY MR18Y3H:EZ-009SHUE POWERSUPPLYPCBASSEMBLY TRANSISTORPCBASSEMBLY MR24Y3H:EZ-009THUE MR18Y3H:K09DH-0904HUE-FL0 (I.P.M.) EMIFILTER ZCAT2132-1130 MR24Y3H:K09DH-0900HUE-FL0 MR18Y3H:K07BT-0905HUE-TR0 1T UL1015 AWG14 MR24Y3H:K07BT-0906HUE-TR0 WHITE EMIFILTER N UL1015 UL1015 POWERSOURCE W1 AWG14 ZCAT2132-1130 AWG14 B BLACK BLACK UL1015 2T L UL3271 AWG14 W28 AWG20 W2 ORANGE TM101 RED B B 3 UL1015 2 1 AWG20 + WHITE EMIFILTER 3 4 INDOORUNIT 2 ZCAT1518-0730 UL101
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CN200 1-1747052-2 GIC7.92-2P RED D12 1 1SS355 DCVOLT IN 2 R601 F201 R18 1.0k R603 C8 C9 T3.15A250V(EM) IC5 5V 18V <1/10W> 22k 150k 2200p 220/ CT600 OUTDOORUNIT 7818 1 1% <1/10W> <2W> CT-1B C211 15V 50V 1 I O 3 3 + P-AN-CT R14 G TM601 3 1 2 33/ D9 + C19 + C10 C601 INVERTERPCBASSEMBLY(MAINPCB) + 560k 2 86028 450V D1FL20U 0.1 10/50V D600 0.1 D2 <1/8W> 15V 5 2 DAN217U 1SS355 D7 D1FL20Ux3 TM600 1% A MR18Y3H:K07BS-090EHUE-C1 1 10 86028 R600 C600 R602 2 9 + C13 12V D13 D8 3 8 1.0k 220/ 4.75k
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W16 TM101 B ORANGE RED 2 1 C161 + 0.1 34 W17 - TM102 OUTDOORUNIT B BROWN BLACK D100 LL25XB60 TRANSISTORPCBASSEMBLY(IPM PCB ) MR18Y3H:K07BT-0905HUE-TR0 CN303 1971032-5 MR24Y3H:K07BT-0906HUE-TR0 WHITE IC70-2 BA2903F-E2 1 5 2 7 + 6 - 3 4 5 R55 C50 0R0 0R0 W306 IPM-GND B WHITE TM301 P YELLOW R284,R285,R302 0.04<5W>x3 TM302 POWER-G POWER-G N BLUE W307 POWER-GND L70 B BLACK R71 150k 15V <1/3W> 1% R360 C332 C302 D307 68 0.1 100/ ZP1027-TP R70 <1/4W> 35V R312 120k L300 R304 + 820 <1/3W> 0.1
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OUTDOORUNIT MR18Y3H POWERSUPPLYPCBASSEMBLY K09DH-0904HUE-FL0 CTOUT W9 W21 B B BLACK GRAY PTCTHERMISTOR R101 ZPR0RCH400 C101,C102 C104,C105 VA100,VA101 0.033 0.022 470V 12V L102 x2 W1 x2 N200500K1D7C-02N x2 W28 L 3 4 3 3 4 4 B B BLACK ORANGE 2 1 C100 C103 C106 C108 K101 POWERSOURCE 3.3 3.3 3.3 3.3 G4A-1A or W2 W29 N DW12D1 B B 12 WHITE 12 BROWN SA100 L100 L101 RA-302M RCH3818-022PF07 RCH3818-022PF07 CN100 12V 172520-2 F100 1 5.00A POWERRELAYCONTROL 2 250V F101
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OUTDOORUNIT MR24Y3H POWERSUPPLYPCBASSEMBLY K09DH-0900HUE-FL0 CTOUT W25 W9 W21 B B B ORANGE BLACK GRAY PTCOUT W26 B ORANGE C101,C102 C104,C105 VA100,VA101 0.033 0.022 470V 12V L102 x2 x2 W1 N200500K1D7C-02N x2 W28 L 4 3 4 3 3 4 B B BLACK ORANGE 2 1 C100 C103 C106 C108 K101 POWERSOURCE 3.3 3.3 3.3 3.3 G4A-1A or W2 N W29 DW12D1 B B 12 12 WHITE BROWN L100 SA100 L101 RA-302M RCH3818-022PF07 RCH3818-022PF07 CN100 12V 172520-2 F100 1 5.00A POWERRELAYCONTROL 2 250V F1
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OUTDOORUNIT MR18Y3H CAPACITORPCBASSEMBLY K05FB-0902HUE-P0 W12 W7 P B B WHITE YELLOW C201 C203 + + 660/ 660/ 450V 450V W8 W13 N B B BLUE VIOLET POWER_G MR24Y3H CAPACITORPCBASSEMBLY K05FB-0903HUE-P0 W12 W7 P B B WHITE YELLOW C200-C202 660/ + + + 450V x3 W13 W8 N B B BLUE VIOLET POWER_G 2010.01.25 15
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ERROR DETECTION Display Error Error Operation TimerLED LED 2flash Serialsignal(reverse)error,atoperationstartup 3flash Serialsignal(reverse)error,duringoeration Serialsignalerror Normal 4flash Serialsignal(forward)error,atoperationstartup 5flash Serialsignal(forward)error,duringoperation 8flash Wiredremotecontrollererror 2flash Indoortemperaturethermistoropen/short Indoorunitthermistorerror 2flash 3flash Heatexchangermiddlethermistoropen/short 2flash Dischargethermistoropen/short 3flash Heatexch
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OUTDOORUNIT LED ERROR on Dischargetemperatureabnormal 0.5secondon/0.5secondoff IPMovercurrentprotection 0.1secondon/0.1secondoff Thermistorabnormal CTabnormal 2.0secondon/2.0secondoff 0.1secondon/2.0secondoff Compressorlocationabnormal 5.0secondon/5.0secondoff Fanabnormal 2010.02.26 17
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PARTS INDOORUNIT 5 4 5 2 6 4 3 Ref Descriprion Partnumber 1 FrontPanelTotalAssy 9315335258 2 FrontPanel 9314991080 3 IntakeGrilleAssy 9315336064 1 4 AirFilter 9315014016 5 ClamperGrille 9306755010 6 ReceiverWindow 9315010018 -- Remote 9379219013 -- RemoteHolder 9305642045 2010.02.26 18
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16 INDOOR UNIT 15 18 19 20 23 25 21 24 11 Ref Descriprion Partnumber Ref Descriprion Partnumber 11 CasingAssy 9315331045 21 LouverU 9315000019 12 CasingCoverB 9315016010 22 LouverZ 9315001016 13 CasingCoverL 9315017017 23 DiffuserU 9315002013 14 CasingCoverR 9315018014 24 DiffuserZ 9315003010 15 CasingCoverF 9315019011 25 SpringC 9314142017 16 DrainCap 9367677009 26 PillerA 9315009012 17 DrainHoseAssy 9315769015 27 JointB 9315006011 18 BushB 9312156016 -- FanGuard 9305751051 19 SpacerB 931244101
