CASSETTE type (50Hz) SPLIT TYPE AIR CONDITIONER. Models Indoor unit Outdoor unit

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1 SPLIT TYPE AIR CONDITIONER CASSETTE type (50Hz) Models Indoor unit Outdoor unit RCW-25CA RCW-30CA RO-25A RO-30A C O N T E N T S SPECIFICATIONS OUTLINE AND DIMENSIONS CIRCUIT DIAGRAM REFRIGERANT SYSTEM DIAGRAM INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM INDOOR P.C. BOARD LAYOUTS DISASSEMBLY ILLUSTRATION PARTS LIST

2 SPECIFICATIONS TYPE COOLING INDOOR UNIT RCW-25CA RCW-30CA OUTDOOR UNIT RO-25A RO-30A COOLING CAPACITY (kw) ELECTRICAL DATA POWER SOURCE V 50Hz RUNNING CURRENT (A) INPUT WATTS (kw) E.E.R. (kw/kw) STARTING CURRENT (A) MOISTURE REMOVAL ( /hr) COMPRESSOR TYPE Hermetic type, 2 pole, Single phase, Induction motor CODE AWG 5532EXC H23A42QABKA REFRIGERANT R-22 (g) 2,000 2,650 FAN SPEED HI-SPEED (r.p.m.) INDOOR UNIT MED-SPEED (r.p.m.) LO-SPEED (r.p.m.) OUTDOOR UNIT (r.p.m.) AIR FLOW INDOOR UNIT 1,100 1,200 (m 3 /h) OUTDOOR UNIT 3,000 3,320 DIMENSIONS INDOOR UNIT 246 x 830 x 830 GRILLE H x W x D (mm) 030 x 940 x 940 OUTDOOR UNIT 700 x 900 x x 900 x 350 WEIGHT INDOOR UNIT 34 / 44 NET / GROSS (kg) OUTDOOR UNIT 67 / / 97 MAX PIPE LENGTH/HEIGHT (m) 25 / / 15 REMOTE CONTROLLER TYPE WIRELESS REFRIGERANT CHARGE PIPE LENGTH 5 m 7.5 m 10 m 15 m 20 m 25 m 30 m Additional MODELS (16 ft) (25 ft) (33 ft) (49 ft) (66 ft) (82 ft) (98 ft) refrigerant 2,000 g 2,030 g 2,060 g 2,120 g 2,180 g 2,240 g 12 g/m RCW-25CA FULL CHARGE (70.5 oz) (71.6 oz) (72.7 oz) (74.8 oz) (76.9 oz) (79.0 oz) (0.4 oz / 3.3 ft) AMOUNT 2,650 g 2,693 g 2,778 g 2,863 g 2,948 g 3,033 g 17 g/m RCW-30CA (93.5 oz) (95.0 oz) (98.0 oz) (101.0 oz) (104.0 oz) (107.0 oz) (0.6 oz / 3.3 ft) 1

3 OUTLINE AND DIMENSIONS Models : RCW-25CA RCW-30CA Unit : (mm) (Drain pipe) 60 (Drain pipe) 70 (Large pipe) 100 (Small pipe) Drain inside Dia. ø32 outside Dia. ø37 70 (Large pipe) 100 (Small pipe) 2

4 Unit : (mm) Model : RO-25A 350 Model : RO-30A

5 CIRCUIT DIAGRAM Models : RCW-25CA RCW-30CA DISPLAY BOARD CN GRAY PURPLE BLUE YELLOW ORANGE BROWN MAIN RELAY FILTER BOARD L N CN Use T 3A-250V Fuse on F101 GRAY CN 12 CN 21 GREEN GRAY CN 7 CN 8 CONTROL BOARD CN 1 CN 4 CN 10 CN 15 CN BROWN ORANGE YELLOW THERMISTOR (PIPE TEMP.) THERMISTOR (ROOM TEMP.) BROWN ORANGE YELLOW FAN MOTOR CAPACITOR YELLOW YELLOW M FLOAT SWITCH M STEP MOTOR DRAIN PUMP MOTOR (N) TO OUTDOOR UNIT GRAY GRAY TERMINAL THERMAL FUSE 103 C CN 3 CN 5 CN GREEN FM FAN MOTOR GREEN/YELLOW Model : RO-25A COMPRESSOR OVERLOAD PROTECTOR S C A1 6 A2 MAIN RELAY FAN MOTOR BLUE R CR COMPOSITE FUSE 5A BROWN BROWN C OUTDOOR THERMOSTAT H L BLUE COMPRESSOR CAPACITOR L N 3 2 (N) 1 TERMINAL FAN MOTOR CAPACITOR TO POWER SUPPLY TO INDOOR UNIT 4

6 Model :RO-30A CONNECTOR RELAY 7 BLUE BELT HEATER MAIN RELAY YELLOW A1 6 A2 BROWN GREEN/YELLOW INTERNAL OVERLOAD PROTECTOR BROWN TERMINAL C COMPRESSOR BLUE S R COMPRESSOR CAPACITOR PURPLE BROWN H L C OUTDOOR THERMOSTAT CONNECTOR THERMAL PROTECTOR FAN MOTOR CAPACITOR FUSE 5A FAN MOTOR TERMINAL 2 L N 3 (N) 1 5

7 REFRIGERANT SYSTEM DIAGRAM Models : RCW-25CA / RO-25A Indoor Unit Distributor Refrigerant pipe ø9.53mm(3/8" ) Outdoor Unit Capillary tube Dryer Evaporator Condenser Compressor Refrigerant pipe ø15.88mm(5/8" ) Charging valve Models : RCW-30CA / RO-30A Indoor Unit Outdoor Unit Refrigerant pipe ø9.53mm(3/8") Evaporator Distributor Charging valve Compressor Capillary tube Condenser Dryer Pressure check valve Accumulator Refrigerant pipe ø15.88mm(5/8") Charging valve Muffler Cooling : Flare coupling 6

8 Models : RCW-25CA RCW-30CA INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM CONTROLLER PCB ASSEMBLY ( MAIN PCB ) EZ-000PWSE-C ROOM TEMPERATURE THERMISTOR AUTORESTART SWITCHING CUSTOM CODE SWITCHING CUSTOM CODE SWITCHING HEAT EXCHANGER THERMISTOR INDICATOR PCB EZ-0000THSE-D OPERATE POWER SUPPLY PCB EZ-0007WSE-P TIMER LOUVER MANUAL AUTO SWITCH 440V 6uF FLOAT SWITCH ZONE CONTROL SWITCHING ROOM TEMPERATURE CORRECTION ( HEATING OPERATION ) ROOM TEMPERATURE CORRECTION ( HEATING OPERATION ) 7

9 INDOOR P. C. BOARD L AYO U T S CONTROLLER PCB ASSEMBLY (MAIN PCB) (Viewed from the component side) FILTER PCB ASSEMBLY (Viewed from the component side) 8

10 CONTROLLER PCB ASSEMBLY (MAIN PCB) (Viewed from the solder side) INDICATOR PCB ASSEMBLY (Viewed from the solder side) FILTER PCB ASSEMBLY (Viewed from the solder side) 9

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22 RCW-25CA RCW-30CA PARTS LIST INDOOR UNIT When you order parts, please make a photocopy of this page and fill the number of the parts in the "Order" column. Ref. No. Description RCW-25CA Part No. RCW-30CA Ord. Q'ty Ref. No. Description RCW-25CA Part No. RCW-30CA Ord. Q'ty 34 Capacitor (Fan Motor) Decoration Plate Grille Hook Holder Filter Hex. Nut w/spring Washer Louver Support Holder Drain Hose Separate Wall Clamp NK-6N Evaporator Assy Special Nut M Drain Pan Assy Fan Motor Assy-In Cabinet-E Thermostat Spring-A Clamp No Clamp SKB Wind Guide Board Main Relay Control Box Turbo Fan Assy Special Washer Bellmouth (B) Float Switch Insulation (Grille) A Insulation (Grille) B Pump Unit Hook Grille Hinge Wire Drain Pan Plug Control Box Cover Joint Gear Terminal Plate Panel Base Panel Frame Holder Panel Base Holder Panel Frame Insulation (Inner Box) Evaporator Holder Assy Locking Spacer-B Motor Gear Thermistor Assy-Room Thermistor Assy-Pipe Controller PCB Assy Remote Control Unit Pipe Cover Coupling Pipe Assy Reinforcement (Eva.)-A Reinforcement (Eva.)-B Motor Holder Joint-A Joint Shaft Louver Intake Grille-B Distributor Assy Remote Control Unit Holder Case Grille Hook-A Grille Hook-B Pump Hook Bracket Cabinet-D Locking Spacer Indicator PCB Assy Reinforcement (Drain Pan) Pump Cover-A Pump Cover-B Top Cover Plate Assy Cabinet-A Assy Cabinet-B Assy Drain Port Special Nut-B (Small) Cabinet-C Terminal-3P Fuse Wire Cover-A Wire Cover-B Cushion Rubber (Pump) Louver Supporter Grille Spring Holder (PCB) Filter PCB Assy Special Nut-A (Large) Grille Reinforcement-A Grille Reinforcement-B Grille Reinforcement-C Grille Reinforcement-D Grille Reinforcement-E Step Motor Rubber (Vibration-proof)-A Rubber (Vibration-proof)-B Cord Clamp Bypass Pipe-A Bypass Pipe-B

23 RO-25A RO-30A OUTDOOR UNIT When you order parts, please make a photocopy of this page and fill the number of the parts in the "Order" column. Ref. No. Description RO-25A Part No. RO-30A Ord. Q'ty Ref. No. Description RO-25A Part No. RO-30A Ord. Q'ty 2 Fan Cover (Guard) Emblem-Rear Cabinet-A, Painted Connector Cover Wire Assy (Shield)-D Cabinet-B, Painted Base Assy, Painted Way Valve (5/8) Packed Valve (5/8A) Packed Valve (3/8) Dryer Condenser Assy U Pipe-Y Suction Pipe Suction Pipe-A Joint Pipe (Capillary) Capillary Tube Discharge Pipe Assy Discharge Pipe-B Compressor Cover-A Sleeve-A (For Comp.) Terminal Cover (For Comp.) Terminal Packing (For Comp.) Capillary Holder Rubber Clamp No Power Relay Power Relay Muffler Accumulator Suction Pipe-E Outlet Pipe (Cond.) Assy Outlet Pipe-E Switch Bracket Accumulator Support Assy Grip Terminal-2P Clamp (Cable) No Discharge Pipe-A Bellmouth Protection Net Separate Wall Control Box Metal Control Box Metal-A Capacitor (Fan Motor) Running Capacitor Capacitor Clamp Propeller Fan Fan Motor Assy-Out Motor Bracket Metal Motor Bracket-Top Metal Thermostat-Outdoor Thermostat-Outdoor Inlet Pipe (Cond.) Assy Compressor Cover-B Bolt (Fan Motor Fixing) Cabinet Top Plate Clamp (Condenser) Belt Heater Terminal-5P Terminal-8P Compressor Assy Condensing Pipe Special Nut M8 (For Comp.) Cabinet Left Check Joint Assy Check Joint Bracket Metal Valve Cover Valve Fixing Plate Metal Rubber Seat-A (For Comp.) Thermostat Fixture Fuse Holder Fuse Accumulator Holder Rubber Network Screw, Painted White Thermostat Cover Cord Clamp-A Cord Clamp-B

24 RCW-25CA RCW-30CA [INDOOR UNIT] CONTROLLER PCB ASSEMBLY (Ref. No.236) Ref. No. Description Part No. IC1 IC upd78014hcw IC2 IC NJM7812FA IC3 IC NJM7805FA IC4-6 Xstr Array Upa2003gr IC7 IC BR93LC46RF-E IC8 IC PST600CMTR IC9 Photocoupler TLP621(D4)-GB IC13 IC G3WA-201PL IC14 IC BA10393F IC15 Photocoupler PS VL Q1 Xstr 2SC Q2 Xstr 2SC Q3,4 Xstr DTC124EKA Q8 Xstr upa609t Q9,10 Xstr 2SC D1 Diode D3SB D2,4,7 Diode D1FL20U D3 Diode MTZJ5.1B D5 Diode 1SR D6 Diode D2FL20U D8,14 Diode D1F D9 Diode DA226U D12,17 Diode DAN202K D15 Diode MTZJ11B D16 Diode MTZJ7.5B R1 Res. Cement 5W 3.3ohm+-10% R2 Res. Metal Oxide 2W 1.5ohm+-5% R3 Res. 1/10W 100ohm+-5% R4 Res. Metal Film 2W 330kohm+-5% R5 Res. Metal Oxide 2W 62kohm+-5% R6 Res. 1/2W 100ohm+-5% R7 Res. 1/4W 330ohm+-5% R8,10,13,15-17, Res. 1/10W 10kohm+-5% ,39,48,50,52, 53,55,59,68,70 R9,47 Res. 1/10W 390ohm+-5% R11 Res. Metal Oxide 1W 56kohm+-5% R12,18-20,25- Res. 1/10W 1kohm+-5% ,33-36,38,42, 44,46,49,51,57, 58,67,69,73 R40,41,71,72,79 Res. 1/10W 4.7kohm+-5% R43 Res. 1/10W 10kohm+-1% R45 Res. 1/10W 49.9kohm+-1% R54 Res. 1/10W 47ohm+-5% R56,CJ1 Res. 1/10W 0 ohm R75,76 Res. Metal Oxide 2W 22kohm+-5% R77 Res. 1/4W 470ohm+-5% R80 Res. 1/10W 33ohm+-5% R81,87 Res. 1/10W 33kohm+-1% R82 Res. 1/10W 5.6kohm+-1% R83 Res. 1/10W 3.9kohm+-1% R84 Res. 1/10W 15kohm+-1% Ord. Q'ty Ref. No. When you order parts, please make a photocopy of this page and fill the number of the parts in the "Order" column. Description Part No. R85 Res. 1/10W 3.3kohm+-1% R86 Res. 1/10W 39kohm+-5% R88 Res. 1/10W 22kohm+-1% R89 Res. 1/4W 1kohm+-5% R90 Res. 1/10W 47kohm+-5% R91 Res. 1/10W 2.2kohm+-5% JM9 Res. 0 ohm C1,2 Cap. Plastic 0.22uF C4 Cap. Ceramic 50V 470pF C5 Cap. Elec. 450V 100uF C6 Cap. Plastic 4700pF C7 Cap. Plastic 50V 0.047uF C8 Cap. Elec. 25V 100uF C9 Cap. Elec. 25V 1000uF C10,11,33,36,41 Cap. Elec. 25V 10uF C12,57 Cap. Elec. 25V 1000uF C13,15,34,37,39, Cap. Ceramic 50V 0.1uF ,45,47,60 C14 Cap. Elec. 25V 100uF C16-31,38,40, Cap. Ceramic 50V 0.01uF ,46,49,CJ2 C32,35,43,50-53 Cap. Ceramic 50V 1000pF C54 Cap. Ceramic 0.01uF C58 Cap. Elec. 25V 220uF C61 Cap. Ceramic 50V 4700pF C62 Cap. Elec. 25V 22uF K4 Relay G5N-1A T1 Switching Transformer ETS28AS118AH SW1,4 Slide Switch DSS SW2 Rotary Switch DRS CR1 CR Absorber RPEL C VA4,5 Varistor TNR10V471K E1 Wire w/terminal GRN L= L5 High Frequency Coil LQH3C470K34T JM2,3 Wire 0.6dia. L=10mm X1 Ceramic Resonator EF0EC8384T BZ1 Buzzer PKM13EPY-4000-TF CN1 Plug, PCB CN3 Plug, PCB CN4 Plug, PCB CN5 Plug, PCB CN6 Plug, PCB CN7 Plug, PCB B2B-XAKK-1-A CN8 Plug, PCB B2B-XASK-1-A CN9 Plug, PCB B5P-SHF-1AA CN10 Plug, PCB B5B-XASK-1-A CN12 Plug, PCB B3B-XASK-1-A CN13 Plug, PCB B8B-XASK-1-A CN14 Plug, PCB B4B-XH-AM CN15 Plug, PCB B3B-XARK-1-A CN16 Plug, PCB CN21 Plug, PCB Ord. Q'ty 23

25 RCW-25CA RCW-30CA FILTER PCB ASSEMBLY (Ref. No.875) When you order parts, please make a photocopy of this page and fill the number of the parts in the "Order" column. Ref. No. Description Part No. VA101,102 Varistor TNR10V471K SA101 Arrester DSA-362MA TM101,102 Plug Contact LF101 EMI Filter ELF18D650C F101 Fuse FH1,2 Fuse Holder PFC Ord. Q'ty Ref. No. Description Part No. C101,102 Cap. Plastic 1uF C105,106 Cap. Plastic 0.022uF W102,103 Wire #18 2P W103,104 Wire #18 2P E101 Wire w/terminal L=100 GRN Ord. Q'ty INDICATOR PCB ASSEMBLY (Ref. No.385) Ref. No. Description Part No. PHA201 Remote Control Amplifier SBX D201 Diode SLR-325VC D202 Diode SLR-325MC GRN D203 Diode SLR-325DC ORG R Res. Carbon 1/4W 330ohm+-5% Ord. Q'ty Ref. No. Description Part No. C201 Cap. Ceramic 50V 0.1uF C202 Cap. Elec. 25V 10uF SW201 Push Switch EVQ-PAG-04K CN201 Wire w/connector L= JM201 Wire 0.6dia. L= Ord. Q'ty 24

26 STANDARD ACCESSORIES INDOOR UNIT ACCESSORIES Name and Shape Q'ty Application Parts No. Remote control unit 1 Use for air conditioner operation Battery (pen light) For remote control unit Remote control unit holder 1 For mounting the remote control unit Special nut A (large flange) For installing indoor unit Special nut B (small flange) For installing indoor unit Coupler heat insulator 2 For indoor side pipe joint }1 each Template For ceiling hole cutting Tapping screw (ø3 x 12) For remote control unit holder 3 installation Blower cover insulation 2 For discharged air Hook wire 2 For installing intake grille OUTDOOR UNIT ACCESSORIES Name and Shape Q'ty Application Parts No. Hexagon wrench 1 For opening the refrigerant valve on the outdoor unit Cable clip 2 For power cord binding Tapping screw (painted) 1 For installing valve cover Drain pipe Drain cap 1 2 For outdoor unit drain piping work [Heat & Cool (Reverse cycle) model only]

27 0203J1975 March 2002 Printed in Japan