Toshiba RAV-M240A-E Service Manual Download Page 26 | Manualshive

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9. EXPLODED VIEWS AND PARTS LIST

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Summary of Contents for RAV-M240A-E

Page 1: ...SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE FILE NO A10 9506 PRINTED IN JAPAN Jan 1996 S RAV M240A E RAV M240A E Unit B Unit A Unit D Unit C RAS 09EK Combination with RAS 09EK ...

Page 2: ... Service Space 11 7 OPERATIONAL MATRIX OF ELECTRICAL PARTS 12 8 TROUBLESHOOTING CHART FOR RAS 09EK RAV M240A E 14 8 1 What to be Prechecked First 14 8 2 Primary Judgement of Trouble Sources 15 8 3 Troubleshooting Flowcharts 19 8 4 Test Points on the PC Board and List of Voltage Values 21 8 5 How to Check the Remote Control Including the Indoor PC Board 22 8 6 PC Board Layout 25 9 EXPLODED VIEWS AN...

Page 3: ...Running current Starting current Operating noise SPL Refrigerant Refrigerant control Interconnection pipe Maximum height INDOOR UNIT Model OUTDOOR UNIT Model Dimensions Net weight Condenser type Condenser fan type Fan motor output Compressor Protective device Cooling Cooling Cooling Cooling Name of refrigerant Charge volume Gas side size Coupler style Liquid side size Coupler style Standard length...

Page 4: ... 95 F DB Maximum Minimum Condenser air inlet temperature 43 C DB 109 F DB 21 C DB 70 F DB Evaporator air inlet temperature 32 C DB 22 5 C WB 95 F DB 73 F WB 21 C DB 15 5 C WB 70 F DB 60 F WB Remark Be sure to refer to the service manual file No A00 9507 for the indoor unit RAS 09EK to be connected Note 1 Cooling capacity is based on the following temperature conditions Condition A ...

Page 5: ...et 100 Space for wiring and piping When installing the inlet is to be faced to the wall side Electric parts box Carrying handle Electric parts cover Both side Refrigerant piping joint Gas side 2 Φ9 5 Refrigerant piping joint Liquid side 4 Φ 6 5 60 65 70 57 33 107 34 34 52 34 34 257 Power supply cord hole Φ19 knockout hole Inter unit wiring cord hole Φ 28 knockout hole 790 Air inlet 790 45 45 50 10...

Page 6: ... 20SRD 2 20SRC 2 1 3 5 T2 23H2 1 2 43C 2 T2 10 3 4 11 BRW BRW BRW BRW BRW BLU BLU BLU PUR BLU BLU SKB BLU BLU BLU BLU BLU 2 4 6 2 4 6 43A1 2 8 1 3 5 43A1 1 4 7 43C1 3 6 9 L H C A B 52C 1 20SRD 1 20SRC 1 1 3 5 1 2 43C 1 T1 10 3 4 11 RED SKB BLU BLU SKB BLU BLU BLK 13 N L 14 52C2 11 12 15 16 6 5 4 3 2 1 6 5 4 3 2 1 13 14 RED RED FMo CM2 RED RCo2 RED WHI F WHI GRY RED BLK RC0 CM 1 RED RCo1 RED WHI F ...

Page 7: ...Co 51C1 2 52C1 2 43A1 2 43B1 2 43C1 2 20SRA1 2 20SRB1 2 20SRC1 2 20SRD1 2 T1 2 23L1 2 Name Compressor Fan motor Running capacitor Compressor Running capacitor Fan motor Overload relay Magnetic contactor Relay Relay Solenoid coil Thermal timer Thermostat Model name PH160X2 4L STF 200 63B MT 40MP356W EAG45M355UF1 MRA99420 VC20FA 3P AC240V LY2F AC220 240V LY3F AC220 240V NEVAC240V 230 B 180 4BFP ATB ...

Page 8: ...00 63B VC20FA MT 40MP356W EAG45M355UF1 NEV AC240 LY2F LY3F 230 B 180 4BFP Specifications Output 1 1 kW 2 pole 1ø 220 240V 50 Hz Winding resistance Main coil 2 2Ω Aux coil 3 5Ω Output 63W 6 pole 1ø 220 240V 50 Hz AC 240V For compressor 1 2 PH160X2 4L AC 400V 35 µF For fan motor AC 450V 3 5 µF AC 220 240V Coil 220 240V 50 60 Hz Coil 220 240V 50 60 Hz AC 220 240V 3 min Delay ...

Page 9: ...ser Compressor1 20SRD1 Accumulator Packed valve CYCLE 1 20SRCI Indoor unit C Evaporator Indoor unit D Evaporator RAS 09EK RAS 09EK Packed valve x 2 Two way valve x2 20SRA2 20SRB2 Two way valve 20SRC2 Dryer Condenser Compressor2 20SRD2 Accumulator Packed valve CYCLE 2 Refrigerant pipe Liquld side φ6 4mm Capillary tube φ1 7 x 600 Outdoor Unit φ2 x 300 Capillary φ2x 300 Capillary Refrigerant pipe Liq...

Page 10: ...rging Subject the refrigerant tube of outdoor and in door units to air purge with a vacuum pump Do not carry out this air purge by using the refrig erant filled in the outdoor unit To handle valves a 5 mm hexagon wrench is needed Phosphate deoxidized copper seamless pipes for air conditioners RAS 09EK 9 5 6 4 Piping material Model Larger Smaller Piping size mm 5 1 4 Refrigerant Pipe Connecting Pos...

Page 11: ...ervicing Fig 6 1 Do not install in a place that can increase the vibration and amplify the noise level of the units Be sure to fix the outdoor unit with four 4 M10 anchor bolts according to foundation drawings below Fig 6 2 790 340 15 45 45 364 100 or more 100 or more 500 or more 500 or more 500 or more 100 or more 300 or more ...

Page 12: ...O O O X O 43B2 D X X X X O X X O X O O X O O O O 43C1 O X X O O X X X X X O X X X X X 43C2 O O O X X O X X X X X X X X X X T1 O X X O O X X X X X O X X X X X T2 O O O X X O X X X X X X X X X X A A A A A A A A B B B B B B B B D D D D D D D D M240A E Power ON No indoor unit operating C C C C C C C C Operating indoor unit Parts K7 Indoor unit cooling operation relay output 52C1 52C2 Compressor magnet...

Page 13: ... C C C C C C C Operating indoor unit Parts 20SR A1 2 Indoor unit changeover 2 way valve solenoid coil 20SR B1 2 Indoor unit changeover 2 way valve solenoid coil 20SR C1 2 Compensation 2 way valve solenoid coil OFF at the time of both indoor unit in a cycle in operation 20SR D1 2 2 way valve solenoid coil for bypass O ON X OFF Discharge thermo switch 23H1 2 ON at high temp OFF at low temp Suction t...

Page 14: ...s When there is no trouble corresponding to above check in detail the faulty parts following How to judge faulty parts by symptoms later Operation of air conditioner When the POWER plug of the indoor unit is inserted the OPERATION lamp flashes Room temperature is in the range under which the compressor is turned on but the compressor will not start Fan speed remains unchanged when the fan speed bu...

Page 15: ...ry to operate the remote control again Primary judgement The indoor part including the remote control is defective O K The outdoor part is defective outdoor fan motor The inside part is defective Remote control is not possible Remote control is possible Check The compressor operates The compressor does not operate Block display OPERATION display flashing 1 Hz OPERATION display flashing 5 Hz OPERAT...

Page 16: ...he setting temperature is displayed on the display and other display is turned off 2 Selecting ordinary mode Push the all clear button ACL on the rear bottom of the wireless remote controller by a tip of pencil for more than 3 seconds Make sure the operation mode display wind volume display clock display and setting temperature display are turned on and of the clock display is blinking Cautions wh...

Page 17: ...lso blinking This shows that the protection circuit on the indoor PC board is working d Operate the TEMP key and make sure the remote control display shows and blink ing of the OPERATION lamp If the operation lamp is blinking it shows the protection cir cuits for connecting cable is working or ther mal fuse is blown e In the same way operate the TEMP key so that the display is increased one by one...

Page 18: ...if wiring is wrong If it is OK check PC board Check thermal fuse If it is OK check motor If motor is OK check PC board Check gas quantity Check gas leakage If it is OK check heat exchanger sensor If heat exchanger sensor is OK check overload relay If overload relay is OK check refrigerant cycle If refrigerant cycle is OK check PC board Check compressor If it is OK check PC board Check code Block l...

Page 19: ...remote control Is 220 230 240V AC supplied to the primary side of the power source transformer Does the transmission indicator of the remote control blink normally and is the transmission really performed Is 12V AC supplied to the secondary side of the power transformer Remote control is failure Replace YES NO Power transformer is failure Microcomputer is failure Replace the PC board YES YES Refer...

Page 20: ...or FAN ONLY operation Check procedure Does the OPERATION lamp flash Replace MF capacitor MF capacitor is defective Fan motor is defective Point for placing the tester bar Polarity Polarity On fan operation 0 5V AC Normal voltage value YES YES NO See Power cannot be turned on NO Turn the power ON Pin 3 of IC04 Is the photocoupler IC03 normal 5V Point for placing the tester bar CN13 terminal No CN13...

Page 21: ... 12V Normal voltage value YES YES Outdoor unit is failure NO NO YES NO YES Approximate resistance value of the sensor 10 C 20 C 30 C 20 7k Ω 12 6k Ω 7 97k Ω Refer to Power cannot be turned on NO Turn the power ON RY07 ON Pin 5 of RY07 8 4 Test Points on the PC Board and List of Voltage Values The test points TP are indicated on the rear of the PC board The voltage values on the test points for def...

Page 22: ...ransmitting within 5cm distance from the radio Avoid direct sunlight NO NO PC board is failure Battery life Push the all clear button ACL on the wireless remote control with a tip of pencil for more than 3 seconds Does the transmission indicator light Is there any reception tone and operation Replace the batteries Remote control is failure Replace remote control Replace PC board NO YES NO YES NO Y...

Page 23: ... electronic parts base Remove the flat cable from the terminal plate Remove the motor connector from MOTOR Turn the power ON If the OPERATION lamp flash 0 5 sec ON 0 5 sec OFF steps 1 3 in the right column are not neces sary Push the START STOP button once to set in operation mode Do not set to the fan only or on timer mode Start operation by using the anti restart timer Trouble cause Application ...

Page 24: ... Check point Symptom 1 The compressor does not operate 2 The OPERATION lamp flashes 1 There is a voltage of 120V or more between the red and black motor connector leads 2 The motor does not rotate But the key operation of the remote control is accepted 3 Motor rotates but vibrates hard 10 C 20 7 20 C 12 6 0 C 35 8 kΩ Wireless remote controller Timer short diode Drill 2 holes on the rear of the wir...

Page 25: ... 25 8 6 PC Board Layout Bottom view Top view ...

Page 26: ... 26 33 24 01 10 22 02 23 03 30 21 19 29 25 13 24 33 03 24 27 12 9 EXPLODED VIEWS AND PARTS LIST ...

Page 27: ... 10 43121636 Motor Fan STF 200 63B 11 43051259 Timer Thermal 12 43191494 Guard Fan 13 43046270 2 Way Valve 14 43054380 Relay Overload 16 43154141 Relay LY2F L Location Part Description No No 17 43154135 Relay 18 43155146 Capacitor Electrolytic 19 43046229 Packed Valve 3 8 21 43046228 Packed Valve 6 35 22 43145103 Dryer 23 43119390 Hanger 24 43146443 Solenoid Coil 25 43047492 Capillary Tube 1 7 Dia...

Page 28: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 01 JAPAN ...

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