SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED TYPE Indoor unit Outdoor unit MW18Y3H MR18Y3H MW24Y3H MR24Y3H C ON TEN TS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . 1 DIMENSIONS. . . . . . . . . . . . . . . . . . . . . . . . 2 REFRIGERANT SYSTEM DIAGRAM . . . . . 4 CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . 5 INDOOR PCB CIRCUIT DIAGRAM. . . . . . . 7 OUTDOOR PCB CIRCUIT DIAGRAM . . . .10 ERROR DERECTION . . . . . . . . . . . . . . . . .16 PARTS (INDOOR UNIT) . . . . . . . . . . .
S PECI F I CAT I O NS ELECTRICAL DATA Cool & heat inverter TYPE MW18Y3H INDOOR UNIT OUTDOOR UNIT MW24Y3H MR18Y3H MR24Y3H COOLING CAPACITY 18,000 BTU/h 5.28 kW 22,000 BTU/h 6.50 kW HEATING CAPACITY 21,600 BTU/h 6.30 kW 27,600 BTU/h 8.10 kW POWER SOURCE 208 V / 230 V 208 V / 230 V 60 Hz 60 Hz Cooling 6.3 A 7.9 A Heating 8.0 A 10.5 A Cooling 1.38 kW 1.76 kW Heating 1.80 kW 2.38 kW FREQUENCY RUNNING CURRENT INPUT WATTS E.E.R. Cooling 13.0 BTU/kW 3.83 kW/kW 12.5 BTU/kW 3.
DIMEN S IO N S INDOOR UNIT Unit : inch (mm) 12-5/8" (320) 39-1/4" (998) 9" (228) Drain pipe diameter Inside : 5/8 inch (16 mm) Outside : 1-3/32 inch (28 mm) Liquid pipe diameter : 3/8 inch (9.52 mm) Gas pipe diameter : 5/8 inch (15.88 mm) 2010.02.
OUTDOOR UNIT Unit : inch (mm) 35-1/2" (900) 13" (330) 3"(77) 1/2" (12) 3/8" (9) 7/8" (21) 17-3/8" (440) 32-3/4" (830) 1-1/4" (31) 15-3/4" (400) 25-5/8" (650) 7-3/4" (196) 3-7/8" (99) 14-5/8" (370) Air Flow 5-3/4" (147) 6-3/4" (170) 2010.02.
R E FRI G ERANT S Y S T EM DI AG RAM 3-Way valve (Large) Heat exchanger ( INDOOR ) 3-Way valve (Small) Compressor Muffler Sub-accumulator Pressure switch Strainer Expansion valve 4-Way valve Heat exchanger ( OUTDOOR ) Cooling flow Heating flow Refrigerant pipe diameter Liquid : 3/8" (9.52 mm) Gas : 5/8" (15.88 mm) 2010.02.
2010.02.26 TERMINAL BOARD THERMAL FUSE 102 BLACK 6 5 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1 5 4 3 2 1 7 6 5 4 3 2 1 5 4 3 2 1 2 1 2 1 6 5 4 3 2 1 6 5 4 3 2 1 1 2 RED 3 TM4 TM2 TM1 WHITE WHITE WHITE WHITE WHITE WHITE RED WHITE CN201 7 6 5 INDICATOR 4 PCB ASSY 3 2 1 WIRED REMOTE CONTROL ( OPTION ) 7 6 5 4 3 2 1 BLACK BLACK WHITE RED THERMISTOR ( ROOM TEMP. ) 3 3 2 2 1 1 BLACK BLACK THERMISTOR ( PIPE TEMP.
2010.02.26 TERMINAL BOARD THERMAL FUSE 102 BLACK 6 5 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1 5 4 3 2 1 7 6 5 4 3 2 1 5 4 3 2 1 2 1 2 1 6 5 4 3 2 1 6 5 4 3 2 1 1 2 RED 3 TM4 TM2 TM1 WHITE WHITE WHITE WHITE WHITE WHITE RED WHITE CN201 7 6 5 INDICATOR 4 PCB ASSY 3 2 1 WIRED REMOTE CONTROL UNIT ( OPTION ) 7 6 5 4 3 2 1 BLACK BLACK WHITE RED THERMISTOR ( ROOM TEMP. ) 3 3 2 2 1 1 BLACK BLACK THERMISTOR ( PIPE TEMP.
I NDOOR P C B CI RCU I T D I A GR A M CONTROL UNIT MW18Y3H : EZ-0090HHSE MW24Y3H : EZ-0090KHSE TERMINAL BOARD N OUTDOOR UNIT 1 L 2 SERIAL 3 THERMAL FUSE 102 EARTH EARTH TERMINAL W5 GREEN INDICATOR PCB ASSEMBLY K05CY-0902HSE-D0 TM2 TM1 TM4 22007 22007 22007 RED WHITE BLACK CONTROLLER PCB ASSEMBLY MW18Y3H : K08CX-0903HSE-C1 MW24Y3H : K08CX-0904HSE-C1 WIRED REMOTE CONTROL UNIT CN6-1 RED CN6-2 WHITE CN6-3 BLACK CN201 JB20-07HG CN11 B07B-PASK CN2 SJH20-05WS LOUVER ( RIGHT / LEFT ) M 1
2010.01.22 C22 0.1 2 3 1 RED WHITE JP SWITCH BLACK L7 BLm18 12V 5 4 3 2 1 JP5 0R0 C12 0.1 3 12V 1 3 R17 10k 2 <1/10W> D3 DAN217U 5V R20 1.0k <1/10W> 12V R21 15.4k <1/10W> 1% R22 28k <1/10W> 1% C16 0.1 C15 0.1 2 3 2 3 + 6 5 + C21 0.1 L1 SS1V-R060330 1 4 C20 C17 + C18 + 0.1 330/ 10/ 25V 25V 12V R14 1.0k <1/10W> O R13 1.0k <1/10W> 2 G C14 0.01 C13 0.01 W5 C7 0.1 1 1 16 C23 0.
INDOOR UNIT INDICATOR PCB ASSEMBLY K05CY-0902HSE-D0 5V 5V D201 SLR-325MC 1 GREEN 2 3 D202 SLR-325DC 4 ORANGE GREEN D203 SLR-325MC C201 0.1 5V I C201 GP1UM261RKVF VCC 2 OUT 1 GND 3 2010.01.
2010.03.01 THERMISTOR ( PIPE TEMP. ) THERMISTOR ( DISCHARGE TEMP. ) THERMISTOR ( OUTDOOR TEMP. ) THERMISTOR ( COMP. TEMP. ) PRESSURE SWITCH 4-WAY VALVE EXPANSION VALVE DC FAN MOTOR M F. M. 1 BLACK UL1015 AWG20 BLACK BLACK BROWN BROWN BLUE BLUE BROWN BROWN RED RED 1 YELLOW RED CN65 1-1971032-3 ( G I C2.0-3P ) CN63 3-1971032-3 ( G I C2.0-3P ) 1 2 3 WHITE CN62 1971032-3 ( G I C2.0-3P ) BLUE CN64 2-1971032-3 ( G I C2.0-3P ) RED CN90 1-1871843-2 ( G I C2.
RED W4 WHITE 12V 2010.01.26 THERMISTPR ( COMPRESSOR TEMP. ) BLUE CN64 G I C2.0-3P THERMISTPR ( OUTDOOR TEMP. ) WHITE CN62 1971032-3 ( G I C2.0-3P ) THERMISTPR ( DISCHARGE TEMP. ) YELLOW CN63 3-1971032-3 ( G I C2.0-3P ) THERMISTPR ( PIPE TEMP. ) RED CN65 1-1971032-3 ( G I C2.0-3P ) 3 1 2 3 2 1 3 2 1 3 2 1 2 1 RED 5 4 3 2 1 6 RED CN90 1-1871843-2 ( G I C2.
2010.01.26 WN VN UN WP VP UP -8V +15V WHITE 1 2 3 4 5 6 7 15V N C308 + 47/ 35V -8V I P M-G C301 9 0.1 8 CN301 1971032-9 POWER-G P C300 0.1 1 - + 2 WHITE 5 4 3 2 1 CN303 1971032-5 3 1 2 R80 5.6k C73 <1/10W> 1% 330p R108 4.3k <1/10W> 1% 2 3 1 4 I P M-GND R107 39k <1/10W> 1% R81 33k <1/10W> 1% R69 120k <1/3W> 1% R70 120k <1/3W> 1% R71 150k <1/3W> 1% L70 D100 LL25XB60 D70, D71 DAN217Ux 2 POWER-G C72 470p C71 C70 0.
2010.01.25 AC VOLT OUT EARTH N TO I NDOOR UNIT L N POWER SOURCE L WHITE W20 B BLACK W19 B GREEN W3 B WHITE W18 B BLACK W17 B F100 5.00A 250V WHITE W2 B BLACK W1 B C100 3.3 F101 5.00A 250V SA100 RA-302M VA100, VA101 470V x2 C101, C102 0.033 x2 2 L100 RCH3818-022PF07 1 4 3 C104, C105 0.022 x2 OUTDOOR UNIT MR18Y3H POWER SUPPLY PCB ASSEMBLY K09DH-0904HUE-FL0 C103 3.3 W21 B GRAY BLACK CT OUT W9 B 2 3 13 L101 RCH3818-022PF07 1 4 C106 3.
2010.01.25 AC VOLT OUT EARTH N TO I NDOOR UNIT L N POWER SOURCE L WHITE W20 B BLACK W19 B GREEN W3 B WHITE W18 B BLACK W17 B F100 5.00A 250V WHITE W2 B BLACK W1 B C100 3.3 F101 5.00A 250V SA100 RA-302M VA100, VA101 470V x2 C101, C102 0.033 x2 2 3 L100 RCH3818-022PF07 1 4 C104, C105 0.022 x2 OUTDOOR UNIT MR24Y3H POWER SUPPLY PCB ASSEMBLY K09DH-0900HUE-FL0 C103 3.3 W21 B GRAY BLACK CT OUT W9 B 2 3 14 L101 RCH3818-022PF07 1 4 C106 3.
OUTDOOR UNIT MR18Y3H CAPACITOR PCB ASSEMBLY K05FB-0902HUE-P0 W12 B P WHITE W7 B YELLOW C201 660/ 450V C203 660/ 450V + + W13 B N W8 B BLUE VIOLET POWER_G MR24Y3H CAPACITOR PCB ASSEMBLY K05FB-0903HUE-P0 W12 B P WHITE C200 - C202 660/ 450V x3 + + + W13 B N W8 B BLUE VIOLET POWER_G 2010.01.
E R ROR D ET ECT I O N Error Serial signal error Indoor unit thermistor error Outdoor unit thermistor error Indoor unit control error Outdoor unit control error Indoor fan motor error Refrigerant cycle error Optional function error Model information error 2010.02.
OUTDOOR UNIT 2010.02.26 LED ERROR on Discharge temperature abnormal 0.5 second on / 0.5 second off IPM overcurrent protection 0.1 second on / 0.1 second off Thermistor abnormal 2.0 second on / 2.0 second off CT abnormal 0.1 second on / 2.0 second off Compressor location abnormal 5.0 second on / 5.
PARTS INDOOR UNIT 5 4 5 2 6 4 3 Ref Descriprion Part number 1 Front Panel Total Assy 9315335258 2 Front Panel 9314991080 3 Intake Grille Assy 9315336064 4 Air Filter 9315014016 5 Clamper Grille 9306755010 6 Receiver Window 9315010018 -- Remote 9379219013 -- Remote Holder 9305642045 2010.02.
16 12 INDOOR UNIT 13 17 15 18 14 19 23 20 25 26 21 27 24 22 2010.02.
INDOOR UNIT 33 37 35 36 34 32 39 38 2010.02.
42 41 INDOOR UNIT 43 50 45 46 51 44 47 Ref Descriprion Part number 41 Controller PCB (18) 9708065168 41 Controller PCB (24) 9708065175 41 Controller PCB (30) 9708065182 42 Control Box 9314996023 43 Control Cover 9314997020 44 Motor Case 9314998027 45 Terminal Earth 9315028013 46 DC Brushless Motor 9602784004 47 Motor, Step 9900384029 48 Motor, Step 9900384036 49 Motor, Step 9900139063 50 Terminal 9900447014 51 Indicator PCB Assy 9707210057 Pipe Thermistor 9900551
1 PARTS OUTDOOR UNIT 5 4 6 Ref. Description 2 3 2010.02.
OUTDOOR UNIT 13 12 14 15 11 17 Ref. Description 16 2010.02.
OUTDOOR UNIT 26 30 28 29 21 32 24 Ref. Description 31 22 27 25 23 21 Strainer Assy 9372524015 22 3-Way Valve Sub Assy 9377958013 23 3-Way Valve Assy 9377959010 24 Check Joint Assy 9372802038 25 Compressor Sub Assy 9810135001 26 Accumulator 9385005006 27 Accumulator Support Assy 9355351003 28 4-Way Valve 9900164010 29 Solenoid 9970055034 30 Pressure Switch 9900186012 31 Expansion Valve Assy 9370947144 32 Expansion Valve Coil 9900057039 Muffler 9372369050 -- 2010.
49 42 OUTDOOR UNIT 51 Connector : Orange Connector : Blue 43 Connector : Green Connector : Red 47 48 44 52 46 53 Ref.
ACCESSO R IES Name and Shape Part number Wall hook bracket 9315023018 Remote control 9379219013 Remote control holder 9305642045 Battery (penlight) 0600185534 Cloth tape 9310519004 Tapping screw (big) 0700076046 Tapping screw (small) 0700019036 Air cleaning filter 9312153060 9311925071 Air cleaning filter frame 9368568009 Drain pipe (Outdoor unit) 9301102000 Drain cap (Outdoor unit) 313166024302 2010.02.
1002G3767
