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SERVICE MANUAL

FILE NO. DAS-SM-00-001

AIR-CONDITIONER

SPLIT WALL TYPE

PRINTED IN JAPAN, Nov.,1999 ToMo

RAS-07YKX / RAS-07YAX

RAS-10YKX / RAS-10YAX

RAS-11YKX / RAS-11YAX

RAS-07YK-E / RAS-07YA-E

RAS-10YK-E / RAS-10YA-E

RAS-07YK-ES/RAS-07YA-ES

RAS-10YK-ES / RAS-10YA-ES

RAS-10YK-HX / RAS-10YA-HX

RAS-07YKX-T / RAS-07YAX-T

RAS-10YKX-T / RAS-10YAX-T

Содержание RAS-07YA-E

Страница 1: ...R SUPPLEMENT SPLIT WALL TYPE RAS 07YKX RAS 07YAX RAS 10YKX RAS 10YAX RAS 11YKX RAS 11YAX RAS 07YK E RAS 07YA E RAS 10YK E RAS 10YA E RAS 07YK ES RAS 07YA ES RAS 10YK ES RAS 10YA ES RAS 10YK HX RAS 10YA HX RAS 07YKX T RAS 07YAX T RAS 10YKX T RAS 10YAX T ...

Страница 2: ...WIRING DIAGRAM 10 4 SPECIFICATIONS OF ELECTRICAL PARTS 11 5 REFRIGERANT CYCLE DIAGRAM 13 6 CONTROL BLOCK DIAGRAM 14 7 OPERATION DESCRIPTIONS 15 8 INSTALLATION PROCEDURE 20 9 TROUBLESHOOTING CHART 33 10 PART REPLACEMENT 46 11 EXPLODED VIEWS AND PARTS LIST 50 ...

Страница 3: ...ximum length of one way m 2 10 Interconnection pipe Maximum height difference Indoor unit Outdoor unit m 5 Condensate drain pipe Outer diameter mm 16 INDOOR UNIT RAS 07YK E RAS 07YKX RAS 07YKX T Height mm 265 Width mm 790 Dimensions Depth mm 189 Net weight kg 8 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m h 550 Medium fan m h 490 Air flow rate Low fan m h 430 Fan motor out...

Страница 4: ...n type Flare connection Maximum length of one way m 2 10 Interconnection pipe Maximum height difference Indoor unit Outdoor unit m 5 Condensate drain pipe Outer diameter mm 16 INDOOR UNIT RAS 10YKX RAS 10YK E RAS 10YK HX RAS 11YKX Height mm 265 Width mm 790 Dimensions Depth mm 189 Net weight kg 8 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m h 650 Medium fan m h 510 Air flo...

Страница 5: ...onnection type Flare connection Maximum length of one way m 2 10 Interconnection pipe Maximum height difference Indoor unit Outdoor unit m 5 Condensate drain pipe Outer diameter mm 16 INDOOR UNIT RAS 10YK ES RAS 10YKX T Height mm 265 Width mm 790 Dimensions Depth mm 189 Net weight kg 8 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m h 650 Medium fan m h 510 Air flow rate Low ...

Страница 6: ......

Страница 7: ...erature DB 27 C WB 19 C Outdoor unit inlet air temperature DB 35 C WB 24 C Notes 2 CHARGELESS No additional refrigerant required This air conditioner accepts a connection piping length of up to 10m and a head of up to 5m There is no need to add the refrigerant as long as the total length of the connection piping is up to 10m ...

Страница 8: ...distance to wall Minimum distance to ceiling 265 178 5 Knock out system Front panel Back body 20 20 37 40 5 60 5 790 126 269 319 76 Center line Installation plate outline Hanger Hanger 40 5 3 5 Hanger Minimum distance to wall 17 20 46 120 or more 120 or more 66 or more 2 5 Connecting pipe 0 49m 1800 07YK E 07YK ES 10YK E 10YK ES Without power cord 07YKX 10YKX 11YKX 07YKX T 10YKX T With power cord ...

Страница 9: ...ole Handle 11 525 530 5 268 Fan guard ø420 TOSHIBA 770 59 89 200 11 12 Electric parts cover Z 54 62 Access for charging 250 Z View 600 45 or more Inlet port 600 or more Minimum distance of the wall 4 Ø11x14 Long holes For anchor bolt Ø8 Ø10 400 or more Outlet port Center port 230 100 or more Inlet port Visible outline of the product A Detail Drawing Mounting dimension of anchor bolt 268 770 59 89 ...

Страница 10: ...ANGE GREEN YELLOW BRW RED WHI YEL BLU BLK GRY PNK ORN GRN YEL COLOR IDENTIFICATION VARISTOR 1 9 8 7 6 5 4 3 2 1 9 8 7 6 5 9 8 7 6 5 4 4 3 3 2 2 1 1 2 2 1 SG01 DSA 1 2 3 5 3 1 1 2 3 YEL BLK BLK BRW PNK WHI 1 2 1 2 COMPRESSOR BLU PNK BLK WHI BLU BLU BLU BLU BLU OUTDOOR TERMINAL BLOCK RAS 10YK HX RAS 07YK E RAS 10YK E RAS 07YK ES RAS 10YK ES RAS 07YK E 10YK E RAS 07YK ES 10YK ES RAS 07YKX RAS 10YKX R...

Страница 11: ...10poles 1phase DC 12V 4 2 Outdoor Unit RAS 07YAX RAS 07YA E RAS 07YAX T No PARTS NAME TYPE SPECIFICATIONS Output Rated 605W 2poles 1phase 220 240V 50Hz C R C S 1 Compressor PH80T1 4C Winding resistance W at 20 C 4 80 8 37 Output Rated 18W 6poles 1phase 220 240V 50 60Hz Red Black White Black RAS 07YA E UE6 21SJ5P Winding resistance W at 20 C 370 370 Output Rated 18W 6poles 1phase 220 240V 50 60Hz R...

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Страница 14: ...nger Sensor Infrared Rays Initializing Circuit C P U Indoor Unit Control Panel AC 220 240V 50Hz AC 220V 50Hz RAS 07YKX T 10YKX T only Remote Control Operation Display Timer Display ECONO Sign Display FAN ONLY Sign Display Indoor Fan Motor Louver ON OFF Signal Compressor Outdoor Fan ON OFF Signal Louver Motor Compressor RY02 RY01 Noise Filter Power Supply Circuit Outdoor Fan Motor Relay Thermo Sens...

Страница 15: ...7 2 2 3 Once the setting is made the operation mode is memorized in the microcomputer so that the same operation can be effected thereafter simply by pushing the START STOP button HIGH MED LOW LOW LOW 28 27 26 25 24 Room temp Set temp Set temp Fig 7 1 1 Auto setting of air volume Table 7 1 1 Manual setting of FAN SPEED For model RAS 07YKX RAS 07YK E RAS 07YK ES RAS 07YKX T Indication of FAN SPEED ...

Страница 16: ...gain swinging stops 7 3 DRY Operation MODE of the remote control DRY 1 Compressor outdoor fan and operation display are controlled as shown in Fig 7 3 1 Room temp Set temp Set temp ON 3 2 1 0 OFF OPERATION display Compressor Outdoor fan RY01 Common relay RY02 ON 6min OFF 4min ON 5min OFF 5min ON Fig 7 3 1 The microprocessor turns the compressor on and off at regular intervals 4 to 6 minutes on and...

Страница 17: ...is lit and the indoor unit operates quietly and mildly with controlling airflow 7 5 1 Cooling 1 In the ECONO mode the set temp by the remote control is changed automatically as shown in Fig 7 5 1 2 Fan speed LOW 7 6 Low Temperature Limit Control Cooling Operation The microprocessor detects the indoor heat ex changer temperature so as to prevent freezing up the indoor heat exchanger Control is perf...

Страница 18: ...automatically The above Auto Restart settings can be carried out During subsequent operation the orange light goes on The Auto Restart function will not accept an instruction if timer operation with the remote control is selected During louver swing AUTO operation after restarting by the Auto Restart function the louver swing stops OPERATION Push the TEMPORARY button continuously more than three s...

Страница 19: ...n three seconds MOTION Operating The orange light is lit The system stops to operate The orange light is turned off about three seconds after The unit beeps three times The system stops If the system is not required to stop at this time use the remote control and to restart TEMPORARY 0 3S When the system is operating During subsequent operation the green light goes on 7 7 3 In Case of Power Failur...

Страница 20: ...NOT PRESS OR FIX THE CORD AND CABLES FIRMLY WITH STAPLES etc DO NOT USE THE EXTENSION CABLE FOR POWER SUPPLY CORD OR INTER CONNECTING CABLE NEVER EXECUTE THE CONNECTION OF WIRING WITH OTHER METHOD THAN THE APPROVED ONE OTHERWISE OVERHEAT SMOKE OR FIRE MAY BE GENERATED BY CONTACT ERROR TURN OFF MAIN POWER SUPPLY AND BREAKER BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES AND BREA...

Страница 21: ...t install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where noise and discharged air might disturb user s neighbors To avoid personal injury be careful when handling parts with sharp edges Please read the installation manual carefully before installing the unit It contains further important instructions for proper...

Страница 22: ...Electric parts cover 45 mm or more 600 mm or more 2 Wireless remote control 3 Batteries Cover 6 mm thick heat resisting polyethylene foam Bottom Rear Right Rear left Left Cut the piping hole sloped slightly Wall 120 mm or more For the rear left and left piping Do not allow the drain hose to get slack Make sure to run the drain hose sloped downward The auxiliary piping can be connected the left rea...

Страница 23: ...l polyethylene foam 6 mm thickness Putty PVC tapes Q ty Each one 1 Each one Others Name Installation manual Owner s manual This model is not equipped with an extension drain hose Option For the extension drain hose use an optionally available RB 821SW or commercially available one 8 3 2 Installation Parts Purifying filter x 1 Part No Name of parts Q ty Name of parts Q ty Part No 1 7 8 2 4 3 5 6 In...

Страница 24: ...s is necessary to prevent image disturbances or noise interference The location of the remote control should be determined as shown below Fig 8 4 1 Top view Indoor unit 5 m 5m 45 45 Remote control Reception range Axial distance Remote control Reception range 7m Side view Indoor unit 7m 7 5 8 4 1 Cutting a Hole and Mounting Installation Plate Cutting a hole When installing the refrigerant pipes fro...

Страница 25: ...voltage must be the same as the rated voltage of the air conditioner 2 Prepare the power source for exclusive use with the air conditioner CAUTION Use power specified above table This appliance can be connected to the mains in either of the following two ways 1 Connection to fixed wiring A switch or circuit breaker which disconnects all poles and has a contact separation of at least 3 mm must be i...

Страница 26: ...red core to plug terminal marked Earth Symbol The installation of the cables has to be done in such a way that the basic insulated wires for the infrared sensor can not be touched How to remove the front cabinet L N L N LIVE NEUTRAL EARTH Brown Blue Green and Yow Taking out the power cord Cut off the slitted portion in the side face of the rear panel to take out the power cord After this remove bu...

Страница 27: ...connecting cable How to install the front cabinet on the indoor unit Install the front cabinet through the opposite order of How to remove the front cabinet When the panel is removed and mounted again take the following actions After fastening the two screws one each at the left and right of the air outlet be sure to push the upper center Q right end R left end S and the lower center T of the air ...

Страница 28: ...nnecting cable Installation plate Auxiliary pipes Carefully arrange pipes so that any pipe does not stick out of the rear plate of the indoor unit Carefully connect the auxiliary pipes and connecting pipes to each other and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc Since dewing results in a machine t...

Страница 29: ...n in the diagram in page 19 A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration A place where the operation noise and discharged air do not disturb your neighbors A place which is not exposed to a strong wind A place free of a leakage of combustible gases A place which does not block a passage When the outdoor unit is to be installed in...

Страница 30: ... accidentally each port of the manifold has been changed in shape Differences in Port Size between Conventional R22 and R410A Outer dia 6 35mm 9 52mm Tightening touque N m kgf m 16 18 1 6 1 8 30 42 3 0 4 2 Port size Manifold for R22 Manifold for R410A 7 16 UNF 1 2 UNF 20 threads per inch 20 threads per inch AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using vacuum pump...

Страница 31: ...able to the terminals as identified with their respective matched numbers on the terminal block of indoor and outdoor units Strip the sheath of connecting cable with follow ing stripping length to and insert into the terminal block 3 When connect the connecting cable to outdoor unit terminal make a loop as shown in the installation diagram of indoor and outdoor unit to prevent water coming in the ...

Страница 32: ...Y TEMPORARY button Fig 8 6 2 8 6 3 Auto Restart Setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure INFORMATION The product was shipped with Auto Restart function in the off position Turn it on as required See detail in section 7 7 Auto Restart Function Flare nut connections indoor unit Electric parts co...

Страница 33: ...r plug or the power cord of the indoor unit is inserted the OPERATION lamp on the setting indication part blinks The OPERATION lamp blinks indicating that power is turned on If this happens push the START STOP button once to cause the lamp to stop blinking A power outage also causes the lamp to blink 2 Fan speed remains unchanged in the dry mode Fan speed is automatically controlled in the dry mod...

Страница 34: ...king 1 Hz Power failure when power is ON B OPERATION display blinking 5 Hz Thermo sensor TA short break C OPERATION display blinking 5 Hz Heat exchanger sensor TC short break D OPERATION display blinking 5 Hz Indoor fan lock abnormality of indoor fan E OPERATION display blinking 5 Hz Indoor P C board failure F OPERATION TIMER and FAN ONLY display blinking 5 Hz Gas shortage other refrigerant cycle ...

Страница 35: ...to one before check The servicing check operation can be also released by ACL button Hr ON OFFTIMER C MODE FAN TEMP TEMP START STOP TIMER WC E1BE ECONO ON OFF RSV CNL ACL CHK FAN SET MODE AUTO AUTO COOL DRY FANONLY AUTO LOW MED HIGH 1 2 3 4 5 6 1 4 6 2 3 Block level Diagnosis function Check code Block Check code Symptom Air Conditioner status Condition Judgment and action Thermo sensor short break...

Страница 36: ...nnecting cable is defective Replace the thermal fuse set Check connection Is the indication voltage DC12V or 5V of main PC board correct Is the voltage across C02 measured DC310V 340V Refer to the paragraph Pre check or defective circuit before power P C board block Shut off the power supply once and turn it on again after dis connecting the motor connector CN10 Is the secondary voltage of SW tran...

Страница 37: ...f the power supply from AC outlet once and turn it on after 5 seconds Does the OPERATION lamp blink Does the power turn on by pushing the START STOP button of the remote control Is cable connection between indoor and outdoor units correct for model RAS 07YKX T RAS 10YKX T Check items as following procedure in 9 3 4 9 3 5 9 3 6 Replace the P C board See Power can not be turned on Relays RY01 RY02 o...

Страница 38: ...eck the winding resistor Is the capacitor for compressor normal Is the overload relay normal Does the compressor start Compressor starts but it stops after a while Cables between indoor and outdoor units are defective Re wire or replace the defective cords Compressor is defective Capacitor is defective Overload relay is defective Compressor is defective Correct cabling between indoor and outdoor u...

Страница 39: ...ng resistance Is the capacitor for compressor normal Outdoor fan motor is defective Cables between indoor and outdoor units are defective Outdoor fan motor is defective Correct cabling between indoor and outdoor units NO NO NO NO YES YES YES YES Are all the cords for outdoor fan motor normal Correct the wire or replace the defective cords Capacitor for outdoor fan motor is defective See Power can ...

Страница 40: ...e power supply Does the cross flow fan rotate normally Turn on the power supply Is the rotation signal DC 5V 0V output between 4 blue lead wire and 2 black lead wire of the motor connector CN10 when rotating the cross flow fan by hand in no operating status 2 pulses one turn Replace the control P C board Replace the P C board Motor control circuit failure IC30 IC03 or 12V Power circuit or Thermal ...

Страница 41: ...luorescent light Is operation possible when the transmitter is moved nearer to the infrared signal receiver of the air conditioner Battery life Can any signal tone be heard in a transistor radio when transmitting within 5cm distance from the radio Does the transmission indicator light Is there any beep and operation Short circuit the metal terminal at the side of the battery compartment all clear ...

Страница 42: ... P C board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a P C board is judged to be defective check for disconnection burning or discolora tion of the copper foil pattern or this P C board 2 The P C board consists of the following 2 parts a Main P C board part Power relay indoor fan motor drive circuit and control circuit C P U and peripheral circuits buzzer d...

Страница 43: ...delay timer is shortened 1 All indicators light for 3 sec 2 Indicators do not indicate normally after approximate 3 sec ü ý þ Defective indicator or poor housing assembly CN13 5 Make the operation status by pressing once the START STOP button 1 The time of the restart delay timer is shortened 2 Cool operation 3 Air volume AUTO 4 Make the setting temperature lower enough than room temperature 5 Con...

Страница 44: ... 44 9 4 2 P C Board Layout Bottom View Top View ...

Страница 45: ...imer short mode 2 Push the CNL button while keeping CHK button pushed In this case the check mode is released and the timer short mode is waited The status is kept even if CHK and CNL buttons are released 3 Pushing START STOP buttons sends operation code timer short code 4 The timer short mode is released by only a transmission Therefore repeat steps from 2 to perform the timer short mode again Fi...

Страница 46: ...t and have a waterdrop R Electrical part assembly 1 Perform the process Q above 2 Remove the electrical part cover by pressing the nail located on upper portion of the electrical part cover 3 Remove the drain guide 4 Remove the screw securing to the end plate of the heat exchanger 5 Remove the connector 3p 3p for the fan motor and the connector 6p for the louver motor from the microcomputer assemb...

Страница 47: ...hanger and remove the screw fixing it then remove the right side of the end plate from the rib fixing the main unit by sliding the heat exchanger slightly to the right side V Cross flow fan 1 Perform the process S 2 Loosen the set screw of the cross flow fan 3 Remove the screw fixing the shaft bearing base 4 Lift slightly up the left side of the heat exchanger and pull the shaft bearing base out l...

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Страница 49: ...ard R Capacitor for compressor 1 Remove the fixing screw of the capacitor band 1 ST2T Ø4 x 8 l 2 Remove the cable connected to the terminal S Capacitor for fan motor 1 Remove the fixing screw of the capacitor band 1 ST2T Ø4 x 8 l 2 Remove the cable connected to the terminal Refer to Specifications of Electric Parts in pages 10 and 11 T Overload relay Except for 07YA ES 1 Perform the process Q abov...

Страница 50: ...43T69004 Sensor Heat Exchanger 10kΩ 25 C 404 43T69005 Sensor Thermostat 10kΩ 25 C 405 43T60061 Fuse Set Thermal 77 C Location Part Description No No 406 43T69055 P C Board Assembly MCC 798 07YK E 07YK ES 406 43T69054 P C Board Assembly MCC 798 10YK E 10YK ES 412 43T69031 P C Board Assembly WRS LED MCC 766 413 43T61001 Base E Parts ABS Black UL94 5V 402 403 405 413 412 404 406 402 ...

Страница 51: ...42 Cord Power without plug 408 43T60303 Cord Power with plug 10YK HX only 412 43T69031 P C Board Assembly WRS LED MCC 766 413 43T61001 Base E Parts ABS Black UL94 5V Location Part Description No No 402 43T60002 Base Terminal 3P AC 300V 20A 403 43T69004 Sensor Heat Exchanger 10kΩ 25 C 404 43T69005 Sensor Thermostat 10kΩ 25 C 405 43T60301 Fuse Set Thermal 77 C 406 43T69055 P C Board Assembly MCC 798...

Страница 52: ...K ES 216 43T47006 Pipe Delivery 217 43T47305 Pipe Suction 07YK E Location Part Description No No 217 43T47005 Pipe Suction 10YK E 10YK ES 218 43T49007 Pipe Shield 219 43T19003 Holder Sensor 220 43T49003 Spring 10YK E 10YK ES 221 43T49028 Plate EVA SEAL 222 43T49023 Holder Plate EVA SEAL 223 43T49004 Rubber Sound Insulation 224 43T79002 Guide Drain 225 43T39002 Band Motor L 226 43T39001 Band Motor ...

Страница 53: ...T49028 Plate EVA SEAL 222 43T49023 Holder Plate EVA SEAL 223 43T49004 Rubber Sound Insulation 224 43T79002 Guide Drain 225 43T39002 Band Motor L 226 43T39001 Band Motor R 227 43T21301 Motor Fan Location Part Description No No 228 43T20007 Fan Cross Flow 229 43T22002 Bearing 230 43T39003 Base Bearing 231 43T03001 Plate Rear 232 43T07002 Holder Pipe 233 43T82001 Plate Installation 234 43T85301 Owner...

Страница 54: ...10YKX 10YK HX 11YKX 215 43T44023 Refrigeration Cycle Ass y 10YKX T 216 43T47006 Pipe Delivery 217 43T47305 Pipe Suction 07YKX 07YKX T Location Part Description No No 217 43T47005 Pipe Suction 10YKX 10YK HX 11YKX 217 43T47304 Pipe Suction 10YKX T 218 43T49007 Pipe Shield 218 43T49010 Pipe Shield 10YKX T only 219 43T19003 Holder Sensor 220 43T49003 Spring 10YKX 11YKX 10YK HX 220 43T49009 Spring 10YK...

Страница 55: ...01 Nut Flange 14 43T19005 Handle 15 43T49001 Rubber Cushion Location Part Description No No 16 43T19002 Stopper Guard 17 43T63001 Holder OL Relay 07YA E 18 43T54302 Relay Over Load 07YA E 18 43T54303 Relay Over Load 10YA E 10YA HX 19 43T41304 Compressor PH80T1 4C 07YA E 19 43T41405 Compressor 2PS146D5AB02 10YA E 10YA HX 20 43055470 Capacitor 15µF 400V 07YA E only 20 43055483 Capacitor 25µF 400V 21...

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Страница 57: ... 10 43T46010 Valve Packed 6 35 11 43T47020 Bonnet Location Part Description No No 12 43021001 Motor Fan UE6 21SJ5P 13 43T47001 Nut Flange 14 43T19005 Handle 15 43T49001 Rubber Cushion 16 43T19002 Stopper Guard 17 43T41302 Compressor PA98X1T 4FZ 18 43055483 Capacitor 25µF 400V 19 43T55001 Capacitor 1 5µF 500V 20 43T60006 Base Terminal 3P 21 43T45004 Dryer 22 43T97001 Nut Flat Washer 7 CAPILLARY TUB...

Страница 58: ...12 43021928 Motor Fan UE6 21AJ5P 07YAX 07YAX T 10YAX 11YAX 12 43021981 Motor Fan UE6 31C5P 10YAX T 13 43T47001 Nut Flange 14 43T19005 Handle 15 43T49001 Rubber Cushion Location Part Description No No 16 43T19002 Stopper Guard 17 43T63001 Holder OL Relay 07YAX 07YAX T 10YAX 18 43T54302 Relay Over Load 07YAX 07YAX T 18 43T54303 Relay Over Load 10YAX 10YAX T 11YAX 19 43T41304 Compressor PH80T1 4C 07Y...

Страница 59: ...TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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