INVERTER MULTI AIR CONDITIONER CASSETTE type Models Indoor unit RC-12LA RC-14LA RC-18LA Outdoor unit ROM-30LA4 CO NTE NTS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . 1 OUTLINE AND DIMENSIONS . . . . . . . . . . . 3 REFRIGERANT SYSTEM DIAGRAM . . . . . 5 CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . 6 INDOOR PCB CIRCUIT DIAGRAM . . . . . . 8 OUTDOOR PCB CIRCUIT DIAGRAM . . . . 9 ERROR CONTENTS . . . . . . . . . . . . . . . . . . 12 DISASSEMBLY ILLUSTRATION . . . . . . . . . 13 PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . 22 S P EC I FIC AT IONS INDOOR UNIT COOL & HEAT TYPE MODEL NAME RC-12LA , RC-14LA RC-18LA ELECTRICAL DATA (V) 230 (Hz) 50 POWER SOURCE FREQUENCY (m3/hr) AIR CIRCULATION-Hi 600 550 FAN MOTOR (V) POWER SOURCE 230 DISCRIMINATION MFA-14GTCT MFA-18GTBT (r.p.m.) 730 800 MED-SPEED (r.p.m.) 670 700 LO-SPEED 590 600 HI-SPEED INDOOR UNIT (r.p.m.) DIMENSIONS INDOOR UNIT HxWxD (mm) 235 x 580 x 580 +70 GRILLE HxWxD (mm) 35 x 650 x 650 WEIGHT 2005.05.25 INDOOR UNIT NET / GROSS (kg) 18 / 23 GRILLE NET / GROSS (kg) 2.2 / 4.3 1 OUTDOOR UNIT TYPE Colling & Heating ROM-30LA4 MODEL NAME COOLING CAPACITY (kW) 8.0 HEATING CAPACITY (kW) 9.6 ELECTRICAL SPECIFICATIONS POWER SUPPLY (V) (220) - 230 - (240) (Hz) 50 COOLIING 9.7 HEATING 10.5 COOLIING 2.22 HEATING 2.40 COOLIING 3.60 HEATING 4.00 FREQUENCY RUNNING CURRENT (A) INPUT (kW) EER (kW/kW) 3 AIR CIRCULATION - Hi (m /hr ) 3,300 COMPRESSOR TYPE Hermetic type, Inverter, 4 poles, 3-phase, DC motor, Twin Rotary DISCRIMINATION TNB220FPBM9 REFRIGERANT (g) R410 3,300 FAN MOTOR DISCRIMINATION MFE-60PO ( r.p.m. ) HI-SPEED (COOL / HEAT) DIMENSIONS HxWxD WEIGHT NET / GROSS 820 / 780 (mm) 830 x 900 x 330 (kg) 68 / 78 REFRIGERANT CHARGE (R410A) Total Pipe Length FULL CHARGE AMOUNT 50.0 m 3,300 g 60.0 m 3,550 g 70.0 m 3,800 g ADDITIONAL CHARGE 2005.05.25 25 g / m CHARGELESS 50 m MAX PIPE LENGTH (each unit) 25 m MAX PIPE LENGTH (total) 70 m MAX ELEVATION (between indoor units) 10 m MAX ELEVATION (between indoor and outdoor units) 10 m MIN. PIPE LENGTH (each unit) 5m 2 OUT L INE A ND DI ME NS I ONS INDOOR UNIT 20 35 235 (unit : mm) 650 580 66 440 580 250 650 ( 650) (Grille measurement) 650 47 111 Drain pipe (I.D. 32) 250 600 (Ceiling opening measurement) 3 54 46 86 66 2005.05.25 60 440 131 (Hanging bolt position) 606 (Hanging bolt position) 400 OUTDOOR UNIT (Unit : mm) Model : ROM-30LA4 900 31 330 21 830 40 9 400 650 370 Air Flow 2005.05.25 4 12 RE FRI GER AN T S Y ST E M DIA GRA M Outdoor unit COOL PRESSURE SWITCH(A) PRESSURE SWITCH(B) CAPILLARY TUBE HEAT ACCUMULATOR OIL BACK CAPILLARY HEAT EXCHANGER RECEIVER TANK 4-WAY VALVE OIL SEPARATOR COMPRESSOR THERMISTOR (DIS.TEMP) HEAT EXCHANGER STRAINER DISTRIBUTOR EXPANSION VALVE THERMIS -TOR PIPE (A-3WV) THERMISTOR PIPE (A-2WV) STRAINER 3-WAY VALVE 2005.04.11 EXPANSION VALVE THERMIS -TOR PIPE (B-3WV) THERMISTOR PIPE (B-2WV) EXPANSION VALVE THERMIS -TOR PIPE (C-3WV) STRAINER THERMISTOR PIPE (C-2WV) STRAINER 3-WAY VALVE 3-WAY VALVE EXPANSION VALVE THERMIS -TOR PIPE (D-3WV) THERMISTOR PIPE (D-2WV) STRAINER 3-WAY VALVE 2-WAY VALVE 2-WAY VALVE 2-WAY VALVE 2-WAY VALVE THERMISTOR THERMISTOR THERMISTOR THERMISTOR HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER Indoor unit A Indoor unit B Indoor unit C 5 Indoor unit D CIR CU I T D IA GRAM INDOOR UNITS 2005.05.06 6 Model : ROM-30LA4 TO POWER SOURCE INDOOR UNIT A 2005.05.25 INDOOR UNIT B INDOOR UNIT C INDOOR UNIT D 7 2005.05.25 230 V 50HZ IN DO OR PC B C IRCU IT DIAG RA M 8 RC-12LA : K01AL-040THSE-C1 RC-14LA : K01AL-040WHSE-C1 RC-18LA : K01AL-040EHSE-C1 CONTROLLER PCB ASSY ( MAIN PCB ) F. M. 3-WAY VALVE-C TEMP. 2-WAY VALVE-D TEMP. 3-WAY VALVE-D TEMP. 2-WAY VALVE-C TEMP. 3-WAY VALVE-A TEMP. 2-WAY VALVE-B TEMP. 3-WAY VALVE-B TEMP. 2-WAY VALVE-A TEMP. OUTDOOR TEMPERATURE PIPE TEMPERATURE DISCHARGE TEMPERATURE HEAT SINK TEMPERATURE COMP. TEMPERATURE PRESURE SWITCH-2 PRESURE SWITCH-1 4-WAY VALVE M EXPANSION VALVE-D M EXPANSION VALVE-C M EXPANSION VALVE-B 2005.05.25 3 N L 3 N L 3 N L 3 N L N M EXPANSION VALVE-A DC FAN MOTOR INDOOR UNIT-D INDOOR UNIT-C INDOOR UNIT-B INDOOR UNIT-A AC230V 50Hz L UL1015 AWG20 PINK UL1015 AWG20 BROWN UL1015 AWG20 BLACK UL1015 AWG20 BLACK UL1015 AWG20 WHITE UL1015 AWG20 BLACK UL1015 AWG14 BLACK UL1015 AWG14 WHITE GREEN ORANGE BROWN GRAY BLACK BLUE YELLOW RED RED BROWN BLUE ORANGE YELLOW WHITE RED BROWN BLUE ORANGE YELLOW WHITE RED BROWN BLUE ORANGE YELLOW WHITE Model : ROM-30LA4 BLACK RED RED RED RED RED RED RED BLACK WHITE WHITE WHITE WHITE WHITE WHITE WHITE 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 1 2 1 2 BLACK BLACK BLUE BLUE 1 2 1 2 BLACK BLACK BROWN BROWN 1 2 1 2 BROWN BROWN RED RED 1 2 3 BLACK RED RED 1 5 6 7 8 1 2 3 4 5 6 7 1 4 5 6 7 1 2 1 2 3 4 5 6 1 2 3 4 5 6 7 B B B B SERIAL-A SERIAL-B SERIAL-C SERIAL-D W3 B W7 B W5 B W6 B W4 B RED CN40 08 XA / 172520 1007 WHITE CN39 08 XA / 172520 1007 CN21 B2B-XH-AM YELLOW CN22 B2B-XH-AM RED CN23 B2B-XAEK-1-A BLUE CN25 B2B-XAKK-1-A BLACK CN26 B2B-XAMK-1-A GREEN CN36 B2B-XASK-1-A WHITE CN37 B2B-XARK-1-A RED CN30 179844-1 WHITE BLUE CN52 06 XA / 172520 1007 GREEN CN51 06 XA / 172520 1007 WHITE CN50 06 XA / 172520 1007 RED CN27 B6B-XARK-1-A WHITE CN800 B7B-XASK-1-A W200 W201 W202 W203 E UL1015 AWG16 GREEN EMI FILTER ZCAT1518-0730 1 TURN UL1015 AWG20 WHITE BLACK BLACK BLUE BLUE BLUE BLUE BLUE BLACK GREEN GREEN GREEN GREEN GREEN BLACK WHITE WHITE WHITE WHITE WHITE RED BROWN BLUE ORANGE YELLOW WHITE BLACK WHITE YELLOW BROWN RED UL1015 AWG20 WHITE UL1015 AWG20 YELLOW EMI FILTER ZCAT1518 -0730 1 TURN UL1015 AWG20 RED UL1015 AWG20 F202 BLACK UL1015 AWG20 FSL 250 10 (EM) <250V 10A> WHITE UL1015 AWG20 BLACK UL1015 AWG14 BLACK TLC 25A-250V, B <250V 25A> F201 WHITE CT OUT UL1007 AWG24 BLACK UL1007 AWG24 BROWN UL1007 AWG24 RED 3 EMI FILTER TFC25-15-12 2 TURN 2 UL1015 AWG20 BLACK UL1015 AWG20 WHITE UL1015 AWG14 WHITE UL1015 AWG14 BLACK 1 B W8 B W9 TM102 TM101 CN1 B3B-XASK-1-A 03 VH / S I N 1015 L250 POWER SUPPLY PCB K04BA-0402HUE-P0 OUTD O OR PC B C IR CU IT D IAG RA M CN34 B2P3-VH-B-Y WHITE CT CN1 03 XA / 172520 1007 L180 AC I N W17 B W16 B UL1015 AWG14 BLACK UL1015 AWG14 RED 9 CONTROLLER PCB ASSEMBLY K04AW-0404HUE-C1 4 3 1 3 YELLOW 1 B W10 B INVERTER ASSEMBLY EZ-004HHUE - + L2 I C404 SACT32010A ACTPM L1 P 6 5 4 3 2 1 IO N2 N1 UL1015 UL1015 AWG14 AWG14 WHITE BROWN CHOKE COIL L=0.3mH 30A UL1007 AWG24 YELLOW UL1007 AWG24 ORANGE UL1007 AWG24 RED UL1007 AWG24 BROWN EMI FILTER TFC25-15-12 2 TURN UL1015 AWG14 BLUE UL1015 AWG14 YELLOW 5 4 3 1 WHITE MAIN-FLASH WHITE RED TMODE TAUX3 TCK / TRES / T I CS 6 7 8 9 10 TRXD 5 TAUX TTXD 4 GND 5V 3 / TRES 9 / T I CS TCK 8 10 TAUX3 7 TMODE TAUX TRXD 5 GND TTXD 4 5V 2 3 1 6 1 1 3 3 2 2 UL1015 AWG14 x 3 BLACK WHITE 2 1 CN601 B10B-PASK-1 SUB-FLASH WHITE CN602 B10B-PASK-1 W303 B W304 B W305 B ACTPM CONTROL CN407 06 PH / 172520 1007 L480 W13 B W12 B BLACK WHITE RED COMPRESSOR C. M. RED 2005.05.25 3-WAY VALVE-D 2-WAY VALVE-D 3-WAY VALVE-C 2-WAY VALVE-C WHITE CN40 08 XA / 172520 1007 L300 3-WAY VALVE-B 2-WAY VALVE-B 3-WAY VALVE-A 2-WAY VALVE-A WHITE OUTDOOR TH. CN39 08 XA / 172520 1007 L300 BLUE PIPE TH. CN23 B2B-XAEK-1-A RED DISCHARGE TH. CN22 B2B-XH-AM YELLOW HEART SINK CN21 B2B-XH-AM BLACK COMP. TH. CN25 B2B-XAKK-1-A GREEN PRESSUR SW2 CN26 B2B-XAMK-1-A WHITE CN36 B2B-XASK-1-A PRESSUR SW1 RED CN37 B2B-XARK-1-A 4-WAY VALVE WHITE CN30 179844-1 BROWN SERIAL-D W203 PINK SERIAL-C W202 YELLOW SERIAL-B W201 SERIAL-A W200 AC VOLT I N YELLOW CN34 B2P3-VH-B-Y K101 DW12D1 5V 9 8 7 6 5 4 3 2 1 3 1 12V 4 2 R92 L202 C71 C70 0.1 <F> BL02Rn1 x2 5V L203 BL02Rn1 8 8 8 8 18 18 18 18 7 7 6 12V 12V C160 0.1 <F> C161 0.1 <F> R157 14K R156 10K <1/10W> <1/10W> (1%) C159 0.1 <F> C158 0.1 <F> 2 1 4 3 2 1 4 3 2 1 5 3 2 1 5 4 3 2 1 4 5 4 3 2 1 5V 16 15 14 13 12 11 10 9 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 5V 5V 5V 1 2 3 6 3 R54 27K 2 <1/10W> 3 PANT3WV4 PANT2WV4 PANT3WV3 PANT2WV3 PANT3WV2 PANT2WV2 PANT3WV1 PANT2WV1 P-CMPTH P-AN-HT P-AN-TD P-AN-TT P-AN-TA P-SWPRS1 P-SWPRS2 P-E2PCS1 P-E2PSK1 P-E2PDI 1 P-LED1 P-LED2 P-LED3 P-LED4 P-SO4 P-SO3 P-SO2 P-V2 P-4WV-AC P-LED P-PR P-SO1 P-FM1SEL C180 0.022 <F> 3 2 1 VCC 5 VOUT 4 GND 3 R34 5V 2 10K <1/10W> x 2 X150 1 8.00MHz <EF0EC> 3 C177 0.1 <F> 1 NC 2 SUB R194 10K <1/10W> C179 0.1 <F> R35 1.0K DSS803 <1/10W> x2 P-AN-HT P-CMPTH P-AN-TT P-AN-TA P-AN-TD 6 5 4 P-S I4 P-S I3 P-S I2 P-POWER P-S I P-S I1 3 17 16 2 35 3 59 58 60 21 34 47 27 28 29 30 31 32 33 57 41 42 43 44 10 9 8 7 5 6 4 22 23 P63 VCC 56 P62 AVCC 11 P46 P00 25 P01 26 P12 P50 P17 40 P37 P13 36 P36 P14 37 P40 P15 38 MD2 P16 39 AVR 12 P11 P26 P24 45 P25 46 P02 P03 P30 50 P04 P31 51 P05 P32 52 P06 P33 53 P07 P34 54 P10 P35 55 C P60 14 P20 P61 15 P21 MD0 18 P22 MD1 20 P23 P44 64 P57 P43 63 P42 62 P56 P41 61 P55 P54 P45 1 P52 RSTX 19 P27 48 P53 P51 AGND 13 GND 24 X0 X1 GND 49 IC1 MB90F462PFM -G-181-BND-E1 17 1 63 62 61 60 59 58 57 56 55 54 53 52 40 41 42 43 44 45 46 47 48 49 50 51 12 11 10 9 8 7 X1 8.00MHz <EF0EC> 2 C79 MICOM-MAIN 0.1 <F> 1 0.1 <F> x 2 C40 0.1 <F> AVR VCC MOD AVCC RSTX P30 P31 PE0 PE1 P32 PE2 P33 PE3 P34 PG0 P35 P00 P36 P01 P37 P02 P40 P03 P41 P04 P42 P05 P43 P06 P50 P07 P51 P10 P52 P11 P53 P12 P60 P61 P13 P14 P62 P20 P63 P21 P64 P22 P65 P23 P66 P24 P67 X0 P70 P71 X1 X1A P80 X0A P81 AGND P82 GND P83 MICOM-SUB 2 13 21 6 5 4 3 18 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 14 15 19 20 64 16 0.1 <F> x 2 I C150 MB95F108HSPFM -G-101-E1 I C153 BD4742G 5V 5V C174 4.7/50V <PS> 5V 5V R72 1.0K <1/10W> C17 0.1 <F> 5V 10 R158 10K <1/10W> R36 1.0K <1/10W> U X V Y W Z B B + + + C116 0.1 <HCP> C201 - C203 500/450V x 3 15V SMOOTHING CIRCUIT R201 220K <2W> 1 2 SUB TAUX-1 P-E2PCS1 P-FM1SEL FM1FDBK P-E2PD I1 P-E2PSK1 P-AFDC P-AFE P-U P-X P-V P-Y P-W P-Z P-S I1 P-S I2 P-S I3 P-S I4 KSM0632B I C6 BD4742G VCC 5 VOUT 4 GND 3 R73 100K <1/10W> 1 NC P-EPV2-D P-EPV2-C P-EPV2-A P-EPV2-B P-EPV4-A P-EPV4-C P-EPV4-D P-EPV3-B P-EPV3-A P-EPV3-C P-EPV3-D R4 330 <1/4W> C3 <PJ> 100/16V + D2 D1FL20U R3 100 C2 0.047 <1W> <ECQB> 5V P-SWPRS2 P-SWPRS1 TCK-1 TRXD-1 C1 220P <BN> R2 1.0K <RS - 3W> RSTX-1 P-AFS FH3 PFC5000 -0502 F2 T 3.15A 250V FH4 PFC5000 -0502 1 3 1 I G D401 C406 2 D1FL + 220/50V 20U <PJ> R437 3 DTA143 FLASH-MAIN R20 10K <1/10W> R611 4.7K <1/10W> 5V 5V R605 10K <1/10W> x 5 FLASH-SUB 22K <1/10W> TAUX-1 TTXD-1 TRXD-1 TMODE-1 TAUX3-1 TCK-1 RSTX-1 TTXD-2 TRXD-2 TAUX3-2 TCK-2 RSTX-2 + 1 I G 2 O 3 O 3 TMODE TAUX3 6 7 9 10 WHITE CN601 B10B-PASK-1 / TICS / TRES TCK TRXD 5 8 TTXD TAUX / TICS / TRES TCK TAUX3 TMODE TRXD TTXD TAUX CN602 B10B-PARK -1 (LF) RED 4 3 2 1 5V 10 9 8 7 5 4 3 + + I C8 TA7805 5V CN407 06 PH / 172520 1007 L480 ACTPM CONTROL WHITE 18V 18V ACTPM C415 CONTROL 1 0.01 1 <F> 2 A 2 Q403 FM2FDBK P-U P-V P-W P-X P-Y P-Z P-TRIP P-FM1POW FM1FDBK C7 220/ 35V + 12V I C407 uPC24M18 18V D7 D8 D1FL20U x 2 1 2 3 6 7 8 15V T1 JPZ-200 + D100 D1FL20U 16 15 13 12 10 9 SW POWER SUPPLY A A C413 Q401 5V DTC124EUA R438 0.01 <F> A 1 270 <1/10W> A 2 (1%) x 2 3 10K 5V 5V 4 R613 <1/10W> x 3 22K 5 <1/10W> 6 C416 1000P <B> R411 22K <1/10W> 2 R189 - R190 10K <1/10W> x 2 SUB-CLK SUB-FWD SUB-BKWD SW150 3 2 R126 - R128 10K <1/10W> x 3 SUB-FWD SUB-BKWD TMODE-1 5V PANT3WV2 PANT2WV2 PANT3WV1 PANT2WV1 PANT3WV4 PANT2WV4 PANT3WV3 PANT2WV3 C20 + 4.7/50V <PS> R608 10K <1/10W> 0.1 <F> x 2 BLUE W13 R403 C409 R402 2.2K 10/25V <1/4W> VILTAGE LOCK OUT <PS> I C400-1 D402 5V 15V + uPC393 RD3.3ES 8 <B2> 10K <1/10W> x 2 - 2 1 R435 + 3 R441 - 6 7 + 5 1.0K <1/10W> I C400-2 C35 - C36 x2 uPC393 4 0.01 <F> x 2 C414 C411 C412 0.01 0.01 <F> 0.1 <F> 5V DAN217U x 2 15V <F> 15V D82 D81 R113 R102 1 2 1 2 1.0K I C11-1 22K <1/10W> uPC393 3 <1/10W> 3 3 1 - 23 1 C95 + R114 100P R108 R103 4.7K C87 27K 2 <CH> 2.87K 330P <B> <1/10W> <1/10W> <1/10W> Q91 C88 C89 (1%) 2SC242K 0.1 470P COMP POSITION DETECT <BQ> <F> <B> R196 1.0K <1/10W> C181 0.1 <F> 22K <1/10W> x3 + 5V P-CP-POS P-AFE P-AFDC CONTROLLER PCB ASSEMBLY K04AW-0404HUE-C1 R193 1.0K R192 100K <1/10W> <1/10W> C53 10K <1/10W> P-FM1POW TTXD-1 TAUX3-1 P-AFS P-CP-POS P-S I P-SO P-PR P-LED P-4WV-AC P-V2 P-TRIP P-EPV-A P-EPV-B P-EPV-C P-EPV-D 5V 10K <1/10W> x 2 SW1 FM2FDBK SUB-CLH P-FM2POW P-POWER P-AN-CT P-EPV1-C P-EPV1-D P-SO2 P-SO3 P-SO4 P-EPV1-A P-EPV1-B P-EPV4-B P-SO1 TRXD-2 TTXD-2 TCK-2 P-POWER TAUX3-2 RSTX-2 P-LED1 P-LED2 P-LED3 P-LED4 C169 0.022 <F> C168 0.022 <F> C167 0.022 <F> Q51 2SC2412K <BQ> R53 1.0K <1/10W> 2 2SC2412K <BQ> R164 R167 1.0K 4.7K <1/10W> <1/10W> 3 R165 27K 1 <1/10W> Q151 2 2SC2412K <BQ> EEPROM THERMISTOR 1 1 R56 27K <1/10W> R55 1.0K <1/10W> Q52 2SC2412K <BQ> R160 R163 1.0K 4.7K <1/10W> <1/10W> 3 R161 27K 1 Q150 2<1/10W> C51 0.022 <F> R58 4.7K <1/10W> I C151 uLN2003A R206 10K <1/10W> CS SK DI NC R51 4.7K <1/10W> R52 1.0K <1/10W> 5V I C201 BR93L56RF-WE2 1B 2B 3B 4B 5B 6B 7B E I C3 uLN2003A 1B 2B 3B 4B 5B 6B 7B E 8 VCC 4 DO 7 NC 5 GND 1C 2C 3C 4C 5C 6C 7C COM 1C 2C 3C 4C 5C 6C 7C COM R43 2.2K <1/4W> SLR-332VR <RED> C91 0.1 <F> R155 14K R154 10K <1/10W> <1/10W> (1%) R153 14K R152 10K <1/10W> <1/10W> (1%) R151 14K R150 10K <1/10W> <1/10W> (1%) C46 0.1 <F> C24 R123 14K R122 10K 0.1 <1/10W> <1/10W> <F> (1%) C44 0.1 <F> C43 0.1 <F> C45 0.1 <F> C39 0.1 <F> C38 0.1 <F> C37 0.1 <F> C61 0.1 <F> C60 0.1 <F> 12V 3 5 4 3 2 1 12V D28 5V C23 R121 14K R120 10K <1/10W> <1/10W> 0.1 (1%) <F> C22 R119 14K R118 10K <1/10W> <1/10W> 0.1 (1%) <F> 10 5V 5 5 5V 4 BLACK W17 RED W16 5 4 3 2 1 5 5V HY I C 4 HU2001 6 10 HY I C 3 HU2001 6 10 HY I C 2 HU2001 6 HY I C 1 HU2001 10 B C115 0.1 <HCP> B SLR-332VR <RED> x 4 14 7 14 7 14 14 4 1 PR-SW R116 10K <1/10W> R66 10K <1/10W> R64 10K <1/10W> R62 10K <1/10W> R99 10K <1/10W> C21 R117 14K <1/10W> 0.1 (1%) <F> R67 38.3K <1/10W> (1%) R65 4.75K <1/10W> (1%) R63 6.65K <1/10W> (1%) R98 1.0K <1/10W> (1%) - + D101 D25XB60 0.01 <F> x 2 BL02Rn1 R100 6.65K R101 10K <1/10W> <1/10W> (1%) 5V L201 3 2 1.0K <1/10W> x2 4WV K17 G5NB-1A 2.2K <1/10W> x2 R93 CR5 RE1202 SERIAL L204 BL02Rn1 5V 9 8 7 6 5 4 3 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 B B B B 1 3 PFC5000 F4 PFC5000 VA103 -0502 T 5A -0502 470V FH2 250V FH1 <TNR> B 2 R185 W11 R91 D153 D152 R184 WHITE R90 D151 R183 1 C73 2.2K x 4 <1/4W> 3 C72 D150 R182 R50 10K <1/10W> R57 10K <1/10W> R162 10K <1/10W> R166 10K <1/10W> 4 R16 12V R17 C176 B R195 C175 C19 Q1 2SC4236 100K <2W> x 2 R1 R6 R140 1.2 <2W> BLACK R11 R186 R407 D1 D1FL20U D10 RD5.6ES <B2> W10 C18 YELLOW R21 R187 W12 R610 R603 MAIN CURRENT R601 R200 ZPR0RCH400 C77 R609 R602 R188 R401 2.94K R406 2.87K R440 R400 R105 <1/10W> <1/10W> 180K <RN - 1/2W> (1%) x 2 2.49K (1%) (1%) R104 L100 <1/10W> R106 (1%) 195K <RN - 1/2W> SN-PLATED (1%) x 2 DIA 0.6 R107 A R88 R110 P-EPV4-A P-EPV4-B P-EPV4-C P-EPV4-D P-EPV3-A P-EPV3-B P-EPV3-C P-EPV3-D P-EPV2-A P-EPV2-B P-EPV2-C P-EPV2-D P-EPV1-A P-EPV1-B P-EPV1-C P-EPV1-D VN I 14 VNC 15 C IN 16 CFO 17 FO 18 UN 19 VN 20 WN 21 P 22 U 23 V 24 W 25 N 26 DC FAN1 1 2 1.5K 1.5K 1.5K 1.5K 1.5K 1.5K 1.5K 1.5K D61 DAN217U 3 3 2 <1/10W> <1/10W> <1/10W> <1/10W> <1/10W> <1/10W> <1/10W> <1/10W> 12V 12V 12V 3 6 11 14 1 8 10 15 3 6 11 14 1 8 10 15 3 6 11 14 1 8 10 15 I C22 TD62064 O1 2 I1 I2 O2 7 O3 9 I3 O4 16 I4 4 COM1 GND1 5 COM2 GND2 12 NC1 GND3 13 NC2 GND4 I C21 TD62064 O1 2 I1 O2 7 I2 O3 9 I3 O4 16 I4 4 COM1 GND1 5 COM2 GND2 12 NC1 GND3 13 NC2 GND4 I C20 TD62064 O1 2 I1 I2 O2 7 O3 9 I3 O4 16 I4 4 COM1 GND1 5 COM2 GND212 NC1 GND3 13 NC2 GND4 I C4 TD62064 O1 2 O2 7 O3 9 O4 16 4 GND1 5 8 COM2 GND2 12 10 NC1 GND3 15 NC2 13 GND4 C29 0.1 <F> R802 560 <1/4W> 1.5K <1/10W> x 4 R97 3 I1 R96 6 I2 R95 11 I 3 R94 14 I 4 12V 1 COM1 <1/10W> R173 1.5K <1/10W> R172 1.5K <1/10W> R171 1.5K <1/10W> R170 1.5K <1/10W> R181 R180 R179 R178 1 C800 + 100/ 16V <PJ> 5V 5V R807 D804 1 10K <1/10W> DAN217U 5V R808 1.0K E.E.-VALVE R177 R176 R175 R174 3 2 B B B 8 7 6 5 4 3 2 1 12V 7 6 5 4 3 2 1 12V 7 6 5 4 3 2 1 12V 6 5 4 3 2 1 12V 4 3 2 1 5V 7 6 5 4 3 2 1 INVERTER R33 10K <1/10W> C802 0.1 <F> L800 BL02Rn1 R801 1.0K <1/2W> 15V R804 1.0K D803 <1/10W> DAN217U 1 <1/10W> C801 0.01 <B> 3 1 15V 5V 5V Q801 R803 10K DTA143EUA x2 2 Q800 3 5V C328 2200P <B> C327 0.022 <F> R302 1.0K <1/10W> R40 1.0K <1/10W> I PM I C310 PS21867-A UP VP I VUFB VUFS VP VP I VVFB VVFS WP VP I VPC VWFB VWFS C33 0.01 <F> C311 - C316 1000P <B> x 6 P-AN-CT 2 + 1 2 3 4 5 6 7 8 9 10 11 12 13 15V C332 C333 L300 0.1 47/ BL02Rn <F> 35V + R370, R371, R373, R374 0.03 <2W> x 4 R375, R376, R378, R379 0.03 <2W> x 4 C324 - C326 0.1 <F> x 3 1.0K <1/10W> x 6 + + R89 R112 195K <RN - 1/2W> x6 R86 R111 R340 R341 R342 R343 R344 R345 U1JU44 x 3 Model : ROM-30LA4 C78 R612 R604 680 (1%) R87 2.94K <1/10W> <1/10W> (1%) R5 10K <1/10W> C4 <PJ> 470/25V C5 <PJ> 220/16V R360 39 <1/2W> C6 <PJ> 100/16V C418 <PJ> 10/35V D303 D302 D301 C321 C322 C323 0.1 <F> x 3 330K R362 R363 R361 <1/10W> C305 x 3 47/35V <PJ> x 3 C304 C303 CT EXPANSION VALVE-B EXPANSION VALVE-D WHITE CN52 06 XA / 172520 1007 L300 EXPANSION VALVE-C WHITE CN51 06 XA / 172520 1007 L300 WHITE CN50 06 XA / 172520 1007 L300 EXPANSION VALVE-A RED CN27 B6B-XARK-1-A WHITE CN1 03 XA / 172520 1007 L180 DC FAN MOTOR-1 WHITE CN800 B7B-XASK-1-A BLACK W303 WHITE W304 RED W305 2005.05.25 AC VOLT OUT WHITE W9 BLACK W8 GREEN W3 WHITE W7 BLACK W6 WHITE W5 EARTH TO INDOOR UNIT POWER SOURCE 230V 50Hz BLACK W4 Model : ROM-30LA4 B B B B B B B VA101 470V <TNR> VA102 470V <TNR> SA100 RA-302M C101 3.3 <LE> C106 3.3 <LE> 11 L1 RCH4730-021PF07 C104 0.033 <YE> C105 0.033 <YE> R60 1.0K <1/10W> (1%) C60 + 220/16V <PJ> D60 5V DAN217U CT1 CT-1B C107 3.3 <LE> L2 N300300K1D7C TM100 POWER SUPPLY PCB ASSEMBLY K04BA-0400HUE-P0 R61 3.74K <1/10W> (1%) VR1 B2K C64 0.1 <F> C65 0.1 R68 22K <F> <1/10W> C111 3.3 <LE> L4 RCH4730-021PF07 5V 3 2 1 B B CT OUT WHITE CN1 B3B-XASK-1-A TM102 TM101 ER ROR CO NTEN T S Operation can be checked by lighting and flashing of the grille display section OPERATION and TIMER lamps. Perform judgment in accordance with the following. SWING SWING LAMP (Orange) TIMER OPERATION TIMER LAMP (Green) INDOOR UNIT Error display MANUAL AUTO OPERATION LAMP (Red) TEST RUNNING When the air conditioner is run by pressing the remote control unit test run button, the OPERATION and TIMER lamps flash slowly at the same time. TIMER lamp SWING lamp Blinks Blinks Goes off Indoor unit Model information abnormal (permanent type) Pulses 4 times Blinks Goes off Indoor unit Drain abnormal (permanent type) Pulses 6 times Blinks Goes off Indoor fan abnormal Goes off Room air temperature thermistor open circuit Blinks Room air temperature thermistor short circuit Pulses 2 times Pulses 3 times CHECK ITEMS Blinks Goes off Indoor unit Piping thermistor open circuit Blinks Indoor unit Piping thermistor short circuit Blinks 1. INDOOR UNIT (1) Is operation of each button on the remote control unit normal? (2) Does each lamp light normally? (3) Do not air flow direction louvers operate normally? (4) Is the drain normal? (5) Is there any abnormal noise and vibration during operation? 2005.05.24 12 Error contents OPERATION lamp Pulses 5 times Blinks Goes off Outdoor unit circuit board error or miswiring between outdoor unit and indoor unit Blinks Pulses 5 times Goes off Outdoor unit discharge temperature sensor error Blinks Pulses 3 times Goes off Outdoor unit piping sensor error Blinks Pulses 4 times Goes off Outdoor unit outdoor temperature sensor error D IS A SSEM B LY IL LU S T RATI O N INDOOR UNITS Models : RC-12LA, RC-14LA 462 467 464 244 484 465 187 495 287 313 117-3 67 338 465 834 798 484 478 835 164 127 965 411 797 836 964 990 479 470 482 652-1 138 411 196 235 411 146 184-1 395 160 474 476-3 475 476-2 476-1 743 399 469 430 457 240 488 468 301 234 2005.05.25 13 Model : RC-18LA 462 467 464 244 484 287 465 187 495 313 117-3 67 338 465 834 798 484 478 164 127 411 965 836 797 479 470 482 196 652-1 138 411 235 146 411 184-1 395 160 474 476-3 475 476-2 476-1 743 399 469 430 457 488 468 240 301 234 2005.05.25 14 Models : RC-12LA RC-14LA RC-18LA 34 381 628 381 381 629 824-3 628 236 815 381 875 185 287 223 989-2 989-1 514 2005.05.25 15 Model : UTG-UDFB-W 417 417 416 416 226 165 392 694 692 876-2 691 690 385 763 705 705 692 691 690 196 690 392 690 692 700 758 691 777 776 710 711-2 93 776 711-1 2005.05.25 16 Model : ROM-30LA4 2005.05.25 17 Model : ROM-30LA4 2005.05.25 18 Model : ROM-30LA4 2005.05.25 19 Model : ROM-30LA4 2005.05.25 20 Model : ROM-30LA4 (Connector:BLACK) 2005.05.25 21 PAR T S L IST INDOOR UNIT 2005.05.25 Part No. Ref. No. Description 34 67 117-3 127 138 146 160 164 184-1 185 Capacitor (Fan Motor) Rubber Special Washer M6 Drain Hose Separate Wall-A Evaporator Assy-IN Drain Pan Fan Motor Assy-IN Thermo. Spring-A Rubber Bushing 9704305046 9361279001 313306391007 9359659013 9359647003 9373214014 9359651000 9601040064 313728262708 313005066051 9704305046 9361279001 313306391007 9359659013 9359647003 9373214014 9359651000 9601040064 313728262708 313005066051 187 196 223 234 235 236 240 244 287 301 Clamp No. 1219 Clamp SKB-150 Control Box Thermistor Assy-Room Thermistor Assy-Pipe Controller PCB Assy Remote Control Unit Pipe Cover Cap (Power) Clamp NK-2N 313361271706 313035356905 9359661016 9703299032 9703297014 9704557933 9371190037 9359646006 9352173011 313985355201 313361271706 313035356905 9359661016 9703299032 9703297014 9704557940 9371190037 9359646006 9352173011 313985355201 313 338 381 395 399 411 430 457 462 464 Hooking Wire Motor Fixture Locking Spacer Supporter (Eva. ) Air Duct Supporter-A Clamp NK-7N Drain Pan Support Top Cover Plate Body-A 9359983002 9359656005 313209391506 9373179016 9359660002 9359655008 313095365602 9359652007 9359642015 9359643005 9359983002 9359656005 313209391506 9373179016 9359660002 9359655008 313095365602 9359652007 9359642015 9359643005 465 467 468 469 470 474 475 476-1 476-2 476-3 Body-B Drain Port Special Nut-A (Large) Special Nut-B (Small) Separate Wall-B Turbo Fan Turbo Fan Rubber Special Nut M8 Special Washer Special Washer 9359645009 313005415658 313005446653 313005446759 9359648000 9359658009 9366013006 313005360755 301801185049 9359954002 9359645009 313005415658 313005446653 313005446759 9359648000 9359658009 9366013006 313005360755 301801185049 9359954002 478 479 482 484 488 495 514 628 629 652-1 Sensor M. Bracket Float Switch Pump Unit Hanger Metal Drain Pan Plug Clamp No. 2U46 Control Box Cover Locking Spacer-B EMI Filter Therm. Holder Pipe 9359654001 313005416154 9359974000 9359644002 9359653004 9352715006 9359662006 313005446558 0400197119 313806262805 9359654001 313005416154 9359974000 9359644002 9359653004 9352715006 9359662006 313005446558 0400197119 313806262805 743 797 798 815 824-3 834 835 836 875 964 Remote Control Holder Case Separate Wall-C Pump Hook Bracket Terminal-3P Fuse Wire Cover Cushion-A (For Pump) Cushion-B (For Pump) Filter PCB Assy Flare Nut-1/2 9305642014 9359649007 9359650003 9900203016 0600222512 9359878001 9352211003 9356084016 9704561213 ----- 9305642014 9359649007 9359650003 9900203016 0600222512 9359878001 9352211003 9356084016 9704561213 9373267010 965 989-1 989-2 990 Flare Nut-B Cord Clamp-A Cord Clamp-B Distributor Assy 9351062019 9359822011 9359823018 9373034049 9351062019 9359822011 9359823018 9373034049 RC-12LA 22 RC-14LA Ord. Q'ty When you order parts, please make a photocopy of this page and fill the number of the parts in the "Order" column. INDOOR UNIT Ref. No. Part No. Description RC-18LA Ord. Q'ty Ref. No. Part No. Description RC-18LA 34 67 117-3 127 138 146 160 164 184-1 185 Capacitor (Fan Motor) Rubber Special Washer M6 Drain Hose Separate Wall-A Evaporator Assy-IN Drain Pan Fan Motor Assy-IN Thermo. Spring-A Rubber Bushing 9703306044 9361279001 313306391007 9359659013 9359647003 9373214014 9359651000 9601040057 313728262708 313005066051 465 467 468 469 470 474 475 476-1 476-2 476-3 Body-B Drain Port Special Nut-A (Large) Special Nut-B (Small) Separate Wall-B Turbo Fan Turbo Fan Rubber Special Nut M8 Special Washer Special Washer 9359645009 313005415658 313005446653 313005446759 9359648000 9359658009 9366013006 313005360755 301801185049 9359954002 187 196 223 234 235 236 240 244 287 301 Clamp No. 1219 Clamp SKB-150 Control Box Thermistor Assy-Room Thermistor Assy-Pipe Controller PCB Assy Remote Control Unit Pipe Cover Cap (Power) Clamp NK-2N 313361271706 313035356905 9359661016 9703299032 9703297014 9704557797 9371190037 9359646006 9352173011 313985355201 478 479 482 484 488 495 514 628 629 652-1 Sensor M. Bracket Float Switch Pump Unit Hanger Metal Drain Pan Plug Clamp No. 2U46 Control Box Cover Locking Spacer-B EMI Filter Therm. Holder Pipe 9359654001 313005416154 9359974000 9359644002 9359653004 9352715006 9359662006 313005446558 0400197119 313806262805 313 338 381 395 399 411 430 457 462 464 Hooking Wire Motor Fixture Locking Spacer Supporter (Eva. ) Air Duct Supporter-A Clamp NK-7N Drain Pan Support Top Cover Plate Body-A 9359983002 9359656005 313209391506 9373179016 9359660002 9359655008 313095365602 9359652007 9359642015 9359643005 743 797 798 815 824-3 834 836 875 965 989-1 Remote Control Holder Case Separate Wall-C Pump Hook Bracket Terminal-3P Fuse Wire Cover Cushion-B (For Pump) Filter PCB Assy Flare Nut-B Cord Clamp-A 9305642014 9359649007 9359650003 9900203016 0600222512 9359878001 9356084016 9704561213 9351062019 9359822011 989-2 Cord Clamp-B 9359823018 Ord. Q'ty GRILLE ASSY (UTG-UDFB-W) Ref. No. 93 165 196 226 385 392 416 417 690 691 692 2005.05.25 Description Filter Motor Cover Clamp SKB-150 Motor Gear Indicator PCB Assy Cover-A Insulation (Panel)-A Insulation (Panel)-B Joint-A Joint-B Joint Shaft Part No. 9359632009 9359623014 313035356905 9359629009 9702224011 9359622017 9359620006 9359621003 9359626008 9359627005 9359625001 Ord. Q'ty Ref. No. 694 700 705 710 711-1 711-2 758 763 776 777 876-2 23 Description Part No. Cam Gear Panel Louver Intake Grille Filter Clamp-A Filter Clamp-B Decoration Plate-A Receiver Cover Grille Stopper Grille Hook Step Motor-V 9359628002 9359619017 9359624011 9360543011 9359634003 9359635000 9360862013 9359630005 9359633013 9359761006 9360307019 Ord. Q'ty When you order parts, please make a photocopy of this page and fill the number of the parts in the "Order" column. OUTDOOR UNIT Ref. No. Part No. Description ROM-30LA4 Ord. Q'ty Part No. Ref. No. Description ROM-30LA4 1 Top Panel Sub Assy 9374417025 41 Washer (Rubber) 9358078006 2 Front Panel M 9374094066 42 Frange Nut 9358079003 3 Fan Guard 9374330010 43 Inverter Box A 9374603015 4 Grip Side 9374173013 44 Inverter Box B Assy 9374625017 5 Service Panel M 9374093069 45 Inverter Box C 9374605019 6 Right Panel M 9374599028 46 Inverter Box Duct 9374609017 7 Valve Cover Sub Assy 9374827015 47 Inverter Box Cover 9374608010 8 Grip Service 9374171019 48 Heat Sink A 9374607013 9 Grip 9374172016 49 Inverter Box D 9374606016 10 Motor Bracket Sub Assy 9374418053 50 Clamp (Cord) C 9359677000 11 Propeller Fan Assy 9366378020 51 Clamp (Cord) 9356857009 12 Motor. DC Brushless 9601882015 52 Terminal (3P) 9900203016 13 Condenser A Assy 9374433056 53 Terminal (12P) 9358660164 14 Separate Wall Assy S 9374629022 54 Fuse Holder (Big) 0501454012 15 Base Assy 9374166084 55 Fuse Holder (Small) 0501456016 16 Inverter Assy 9705824010 56 Fuse (Big) 0600086039 17 Coil. Choke 9703458019 57 Fuse (Small) 0600376116 18 Cap Foot 9374345014 58 Terminal 9701971015 19 Compressor Sub Assy 9374423064 59 ACTPM 9703457012 20 4-Way Valve Assy 9374425044 60 PWB Assy (Power Supply) 9705647039 21 Inlet Pipe (Cond) A Assy 9373461067 61 PWB Assy (Controller) 9705642058 22 Outlet Pipe (Cond) A Assy 9374266067 62 Holder (Thermo) 9372797013 23 Pressure Switch A Assy 9367726028 63 Heat Sink Thermistor 9900311018 24 Pressure Switch B Assy 9367727025 64 Compressor Temp Thermistor 9900156022 25 Accumulator Sub Assy 9374426072 65 Thermistor (Outdoor Temp) 9703516078 26 Receiver Tank Sub Assy 9373426028 66 Heat Exchanger Thermistor 9704220059 27 Valve Plate A Assy 9374628025 67 Discharg Temp Thermistor 9704219114 28 Expansion Valve Assy 9370947106 68 Wire (Pressure Sw)(Red) 9367595037 29 Capillary Assy 9372197370 69 Wire (Pressure Sw)(White) 9367595044 30 3-Way Valve Assy (1/2") 9372205051 70 Solenoid 9900165055 31 3-Way Valve Assy (3/8") 9372205044 71 Thermistor (Pipe)(White) 9900322014 32 2-Way Valve Assy 9372204054 72 Thermistor (Pipe)(Red) 9900289010 33 Coil (Expansion Valve)(A=Red) 9900057084 34 Coil (Expansion Valve)(B=White) 9900057053 35 Coil (Expansion Valve)(C=Green) 9900057060 36 Coil (Expansion Valve)(D=Blue) 9900057077 37 Rubber Seat (For Comp) 9358080009 38 Gasket 9370290004 39 Holder 9372066010 40 Terminal Cover (Comp) 9370289008 2005.05.25 24 Ord. Q'ty When you order parts, please make a photocopy of this page and fill the number of the parts in the "Order" column. STAND AR D A CCES S ORI E S INDOOR UNIT ACCESSORIES Application Name and Shape Coupler heat insulation Part No. For indoor side pipe joint 9350716029 9352766015 Special nut A (large flange) For installing indoor unit Special nut B (small flange) For installing indoor unit Template For ceiling hole cutting 313005446653 313005446759 9360256003 Remote control unit Use for air conditioner operation Battery (penlight) For remote control unit Remote control unit holder For mounting the remote control unit Tapping screw ( 3 x 12) 9371190037 0600185534 9305642014 For remote control unit holder installation 301141533125 GRILLE ASSY ACCESSORIES Bolt Part No. Application Name and Shape For opening the refrigerant valve on the outdoor unit Washer 0700139116 For mounting grille 301801155020 Blower cover insulation For discharged air 9360047007 OUTDOOR UNIT ACCESSORIES Name and Shape Q’ty Application Name and Shape Adapter E (1/4" 3/8") 6.35mm 9.52mm Drain pipe 1 For outdoor unit drain piping work (May not be supplied, depending on the model.) Drain cap 2 Putty 1 2005.05.24 For filling in a gap at the entrance of connection cords. 25 Adapter G (1/2" 5/8") 12.7mm 15.88mm Adapter D (1/2" 3/8") 12.7mm 9.52mm Q’ty Application 1 1 2 For connecting a pipe with different diameter to the outdoor unit. 0504G2830