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Toshiba RAS-07S2AH-E, Service Manual

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Toshiba RAS-07S2AH-E Service Manual Download Page 2

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FILE NO. SVM-07023

CONTENTS

1. SPECIFICATIONS
2. CONSTRUCTION VIEWS

2-1 Indoor Unit

2-3 Outdoor Unit  (RAS-07S2AH-E)

3. WIRING DIAGRAM
4. SPECIFICATION OF ELECTRICAL PARTS

4-1 Indoor Unit (RAS-10SKHP-E, RAS-07SKHP-E)
4-2 Outdoor Unit (RAS-10S2AH-E)
4-3 Outdoor Unit (RAS-07S2AH-E)

5. REFRIGERATION CYCLE DIAGRAM

5-1 RAS-10SKHP-E / RAS-10S2AH-E
5-2 RAS-07SKHP-E / RAS-07S2AH-E

6. CONTROL BLOCK DIAGRAM

2-2 Outdoor Unit  (RAS-10S2AH-E)

7. OPERATION DESCRIPTION

7-1 Remote control
7-2 Outline of Air Conditioner Control
7-3 Description of Operation Mode
7-4 High-Temperature Limit Control
7-5 Low-Temperature Limit Control
7-6 Defrost Operation
7-7 Current Limit Control
7-8 One-Touch Comfort
7-9 Hi POWER Mode
7-10   QUIET Mode
7-11   ECO Operation
7-12   COMFORT SLEEP mode
7-13   Auto Restart Function
7-14   Self-Cleaning Function

Summary of Contents for RAS-07S2AH-E

Page 1: ...FILE NO SVM 07023 1 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE Revised May 2007 RAS 07SKHP E RAS 07S2AH E RAS 10SKHP E RAS 10S2AH E ...

Page 2: ...5 1 RAS 10SKHP E RAS 10S2AH E 5 2 RAS 07SKHP E RAS 07S2AH E 6 CONTROL BLOCK DIAGRAM 2 2 Outdoor Unit RAS 10S2AH E 7 OPERATION DESCRIPTION 7 1 Remote control 7 2 Outline of Air Conditioner Control 7 3 Description of Operation Mode 7 4 High Temperature Limit Control 7 5 Low Temperature Limit Control 7 6 Defrost Operation 7 7 Current Limit Control 7 8 One Touch Comfort 7 9 Hi POWER Mode 7 10 QUIET Mo...

Page 3: ... Others 9 TROUBLESHOOTING CHART 9 1 Troubleshooting Procedure 9 2 Basic Check Items 9 3 Primary Judgement 9 4 Self Diagnosis by Remote Control Check Code 9 5 Troubleshooting Flowcharts 9 6 Troubleshooting for Remote Control 10 PART REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy 11 2 Indoor Unit 11 3 Outdoor Unit RAS 10S2AH E 11 4 Outdo...

Page 4: ...n pipe Maximum length m 10 1 One way Maximum height m 5 difference INDOOR UNIT RAS 10SKHP E RAS 07SKHP E Height mm 250 Dimensions Width mm 740 Depth mm 195 Net weight kg 8 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 540 560 540 Airflow volume Medium fan m3 h 460 500 470 Low fan m3 h 390 400 370 Fan motor output W 20 Air filter Honeycomb woven filter with PP frame OUTDO...

Page 5: ... 1 Capacity is based on the following temperature conditions Temperature Condition JIS C9612 Cooling Heating Indoor unit inlet air temperature DB 27 C 20 C WB 19 C 15 C Outdoor unit inlet air temperature DB 35 C 7 C WB 24 C 6 C ...

Page 6: ...nock out system 8 60 Air inlet Air filter Heat exchanger Air outlet 740 250 60 55 50 50 55 60 Hanger Center line Hanger 8 Hanger Installation plate outline 10 For stud bold For stud bold 6 145 145 215 235 215 605 19 157 Connecting pipe 0 37m 6 35 Flare Drain hose 0 5m Hanger Connecting pipe 0 37m Flare 9 52 500 105 135 Wireless remote control 56 ...

Page 7: ...as side Flare 9 52 Service port 2 11x14 Long holes For 8 10 anchor bolt Installation dimension Air outlel 100 or more 45 or more 600 or more 400 or more Air intlel Ø Ø Ø Ø6 hole 86 Ø6 hole Ø11x14 hole R15 30 A 320 R5 5 36 108 125 50 129 84 5 4 600 320 90 600 90 275 290 550 Ø 436 Z R15 50 36 2 321 342 69 Ø Ø Ø 2 2 Outdoor Unit RAS 10S2AH E FILE NO SVM 07023 6 2 R5 5x17L UShape For 8 Ø Ø10 anchor bo...

Page 8: ...C L C L 2 3 Outdoor Unit RAS 07S2AH E FILE NO SVM 07023 7 ...

Page 9: ...LK BLK BLK THERMO SENSOR TA HEAT EXCHANGER SENSOR TC CN03 CN01 C01 C02 R319 DB01 3 2 1 6 5 4 8 7 3 2 1 6 5 4 8 7 BLU BLU BLU BLU BLU BLU WHI BLU CN14 1 1 2 2 CN04 1 5 3 4 2 1 5 3 4 2 WHI YEL YEL YEL LOUVER MOTOR INFRARED RAYS RECEIVE AND INDICATION PARTS CN25 BLK BRW BLU GRN YEL SINGLE PHASE 220 240V 50 60Hz R21 VARISTOR YEL PINK PINK CN07 THERMAL FUSE 73 C x2 L01 C63 Power Module Micro DC12V Volt...

Page 10: ...RF 2TK5R6 5 6 2 W 12 Louver motor 24BYJ48 12VDC 13 Relay Comp RY01 G4A 1A E CA Rating 20A AC250 V 12VDC 14 Relay Fan RY03 G5NB 1A Rating 3A AC250 V 12VDC 15 Relay Solenoide RY04 G5NB 1A Rating 3A AC250 V 12VDC W W W FILE NO SVM 07023 4 2 Outdoor Unit RAS 10S2AH E SKF 240 20B No 235 2 260 1 Parts name Type Specifications Output Rated 1000 W 2 poles 1 phase 220 240 V 50Hz 1 Compressor PH180X1C 4DZDN...

Page 11: ...W 6poles 1 phase 220 240V 50Hz 2 Fan motor for outdoor SKF 240 20B Winding resistance Ω Red Black White Black at 20 C 235 2 260 1 3 Running capacitor DS451155NPQB AC 450V 1 5 F for fan motor 4 Running capacitor RS44B256U0213S AC 440V 25 F for compressor 5 Overload relay JMRA99208 9102 U T 4 2A 80 C OPEN 135 5 C CLOSE 69 11 C 4 3 Outdoor Unit RAS 07S2AH E FILE NO SVM 07023 m m ...

Page 12: ...ger Ambient temp conditions DB WB C Indoor Outdoor Standard 1 59 41 0 High 20 15 7 6 Heating Overload 1 2 14 2 36 50 0 58 0 Low 27 24 18 Low temperature 1 30 32 0 High 20 Standard 0 52 12 0 High 27 19 35 24 Cooling Overload 0 62 16 0 High 32 23 43 26 Low temperature 0 44 5 0 Low 21 15 21 15 Standar d pressure P MPaG Surface temp of heat exchanger inter changing pipe T1 C Fan speed indoor 50Hz Note...

Page 13: ...pe 6 35 T1 P Refrigerant R 22 0 64 kg Accumulator Heat exchanger Capillary tube 1 0x1000S 2 pcs Standard 1 32 35 0 High 20 7 6 Heating Overload 1 93 50 0 Low 27 24 18 Low temperature 1 14 30 0 High 20 10 10 Standard 0 52 13 0 High 27 19 35 24 Cooling Overload 0 68 18 0 High 32 23 43 26 Low temperature 0 32 7 0 Low 21 15 21 15 Note Measure the heat exchanger temperature at the center of U bend By m...

Page 14: ...elay RY03 Relay RY04 220 240 V 50Hz Compressor 4 Way Valve Outdoor Fan Motor Louver Control 3 minutes Delay at Restart for Compressor Processing Temperature Processing Motor Revolution Control Timer Initiallizing Circuit Clock Frequency Oscillator Circuit Thermo Sensor Current Sensor Compressor Current Infrared Rays Signal Reciver REMOTE CONTROL Remote Control Operation START STOP Operation Mode S...

Page 15: ... 11 Timer clear button CLR 20 12 Memory and Preset button PRESET One Touch button ONE TOUCH High power button Hi POWER Economy button ECO Comfort sleep button COMFORT SLEEP Filter reset button FILTER Clock Reset button CLOCK Check button CHK 2 9 7 1 Remote control 7 1 1 Function of Push Putton PRESET ONE TOUCH QUIET SWING TIMER ON FILTER CHK CLOCK OFF CLR SLEEP SET FIX Hi POWER ECO COMFORT SLEEP M...

Page 16: ...g down the button for more than 3 seconds while the mark is flashing Press another button to turn off the mark 8 ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press it again to stop operation 9 A B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller set...

Page 17: ...e control and executes them Temperature measurement at the air inlet of the indoor heat exchanger by the indoor temperature sensor Temperature measurement of the indoor heat exchanger by the heat exchanger sensor Louver motor control Indoor fan motor operation control LED display control Transferring of operation commands to the outdoor unit Receiving of information of the operation status and jud...

Page 18: ...emote control is set to the cooling operation 1 The compressor 4 way valve outdoor fan and operation display lamp are controlled as shown in Fig 7 3 4 Fig 7 3 4 2 When FAN button is set to AUTO the indoor fan motor operates as shown in Fig 7 3 5 When FAN button is set to LOW LOW MED MED or HIGH the motor operates with a constant air flow 1 2 3 3 2 5 2 1 5 1 0 5 0 5 0 M Preset temp C Room temp Pres...

Page 19: ...r operates in the SUPER LOW position The pattern of operation depending on the relation between room temperature and preset temperatures is shown in Fig 7 3 7 Fig 7 3 7 3 FAN button on the remote control is set to AUTO only 4 The ECO and Hi Power operations can not be set Preset temp 3 2 1 0 OFF ON OFF 4 way valve Outdoor fan OPERATION Compressor ON 6min OFF 4min ON 5min OFF 5min OFF ON 6min OFF 4...

Page 20: ... temp Preset temp C 0 1 Heating operation Cooling operation Fan only operation No limitation while fan speed MANUAL mode is in stability A When Tsc 24 A is 24 and when Tsc 24 A is Tsc Tsc Set value H WE Line approximate H and SUL with Tc SUL W2 Stop 46 46 Tc 34 45 45 33 33 33 21 32 32 20 A 4 A 4 A 4 A 4 A 4 A 4 Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting Fig...

Page 21: ...stops the heating operation and starts the defrost operation to melt ice 7 6 1 Condition to start the defrost operation The defrost operation starts whichever below conditions are satisfied 1 When the cumulative compressor operating time is longer than 40 or 90 minutes and difference between the indoor heat exchanger temperature and the room temperature is less than the specified value This value ...

Page 22: ...amp goes off and the indoor fan starts minutes 40 Heating Heating Heating Heating Defrost Defrost Defrost Defrost minutes 40 Max 6 minutes minutes 40 10 minutes 1 cycle minutes 40 In case of C 1 The heating operation is performed for at least 90 minutes 2 The defrost operating time is 10 minutes 7 6 3 Ending condition at defrost operation 1 When the compressor current becomes 8 0A or more during d...

Page 23: ...C T Fig 7 7 1 2 Current limit control Heating operation Control is performed as shown in Fig 7 7 2 Fig 7 7 2 Remark 1 This function is available only for heat pump model Cooling models have no a current sensor C T Input current 15 0A I4 14 0A I3 9 0A I2 8 0A I1 Compressor Outdoor fan More than I4 continues for 3 seconds OFF More than I3 continues for 5 minutes OFF ON ON OFF Input current 15 0A I4 ...

Page 24: ...operates according to the signal received Operation description When an indoor unit receives One Touch Comfort Signal from the remote controller the indoor unit operates as following 1 Air conditioner starts to operation when the signal is received even if the air conditioner was OFF 2 Operation mode is set according to room temperature the same as AUTO mode 3 Target temperature is 24ºC 4 Louver p...

Page 25: ...door unit operates in normal heating mode except the preset temperature is higher 2 C 4 The Hi POWER mode can not be set in Dry or Fan only operation The indoor unit s fan speed level increase 1 tap The indoor unit s fan speed level increase 1 tap 7 10 QUIET mode When the QUIET button is pressed the fan of the indoor unit will be restricted the revolving speed at speed L until the OUIET button is ...

Page 26: ...re automatically The air condition can shut down by itself auto matically Quietness for more comfortable When room Save energy by changing room temperature 1 Comfort sleep mode will not operate in dry mode and fan only mode Remarks FILE NO SVM 07023 25 7 12 COMFORT SLEEP mode Cooling operation The preset temperature will increase 1ºC after the comfort sleep mode has operated for 1 hour and the tem...

Page 27: ...ction This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 7 1...

Page 28: ...o operate at this time press RESET button once more or use the remote controller to turn it on 7 13 2 How to Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote controller after the main power supply is turned off When the system ...

Page 29: ...eption of the stop code 3 After the Self Cleaning operation has been performed for the specified period the unit stops operation Unit now performing cooling or dry operation Press STOP button Only timer indicator lights and Self Cleaning operation starts Time set now elapses Operation stops During Self Cleaning operations The louver opens slightly The indoor fan operates continuously at a speed of...

Page 30: ...unction After holding about 20 seconds the air conditioner will beep 5 times and OPERATION display blinks 5 times The Self Cleaning function had been set Remark Presetting of Self Cleaning function above AUTO RESTART function had been cancelled To set AUTO RESTART again 7 14 1 Self Cleaning diagram How to cencel Self Cleaning function To cancel the Self Cleaning function proceed as follows Press R...

Page 31: ...unit Personal injury and property damage can result if the unit falls Before doing the electrical work attach an approved plug to the power supply cord Also make sure the equipment is properly earthed Appliance shall be installed in accordance with national wiring regulations If you detect any damage do not install the unit Contact your TOSHIBA dealer immediately CAUTION Exposure of unit to water ...

Page 32: ...mpressor technical process following installation conditions do apply 1 The power connection for the air conditioner has to be done at the main power distribution This distribution has to be of an impedance Normally the required impedance is reached at a 32A fusing point Air conditioner fuse has to be 16A max 2 No other equipment should be connected to this power line 3 For detailed installation a...

Page 33: ...insulation not together 6 mm thick heat resisting polyethylene foam Wall Do not allow the drain hose to get slack Make sure to run the drain hose sloped downward Cut the piping hole sloped slightly For the rear left and left piping Insert the cushion between the indoor unit and wall and tilt the indoor unit for better operation The auxiliary piping can be connected to the left rear left rear right...

Page 34: ...tdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong wind Use 8 mm or 10 mm anchor bolts and nuts If it is necessary to drain the defrost water attach drain nipple 9 and cap water proof 10 to the bottom plate of the outdoor unit before installing it Air inlet Air outlet Drain outlet 600 mm 90 mm 125 mm 108 mm 33 mm 86 mm 102 mm 320 mm 7 mm 3 0 Q ty One each 1 One e...

Page 35: ...ote control holder x 1 Super Oxi Deo filter x 1 Super Sterilizer filter x 1 Part No 4 5 6 Part No 7 8 9 Others Name Owner s manual Installation manual The part marked with asterisk is packaged with the outdoor unit Part name Q ty Mounting screw 4 x 25 s x 6 Pan head wood screw 3 1 x 16 s x 2 Drain nipple x 1 For Heat pump model only Cap water proof x 2 For 10k model only ...

Page 36: ...ch as a stove Keep the remote control at least 1 m apart from the nearest TV set or stereo equipment This 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 75 Top view Indoor unit Reception range Reception range Remote control Indoor unit Remote control Side view 8 4 2 Cutting a hole and mounting instal...

Page 37: ...m dia holes in the wall Insert clip anchors for appropriate 7 mounting screws NOTE Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it Installation plate Keep horizontal direction 8 4 3 Electrical work 1 The supply voltage must be the same as the rated voltage of the air conditioner 2 Prepare the power source for exclusive use with the air condit...

Page 38: ... Tightening torque 1 2 N m 0 12 kgf m 7 Secure the connecting cable with the cord clamp 8 Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical cords and also any specific wiring instructions or limitations NOTE Use stranded wire only Wire type H07 RN F or more Ho...

Page 39: ...heat insulator Fig 8 4 11 How to fix the drains cap 1 Insert hexagonal wrench 4 mm in a center head Fig 8 4 12 2 Firmly insert drains cap Fig 8 4 13 CAUTION Firmly insert the drain hose and drain cap otherwise water may leak In case of right or left piping After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 8 4 14 In ca...

Page 40: ...ut 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 trouble make sure to insulate both the connecting pipes Use polyethylene foam as insulating material When bending a pipe carefully do it not to crush it Installation plate Auxiliary pipes Indoor unit Connecting cable 8 4 5 Ind...

Page 41: ... 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 an elevated position be sure to secure its feet An allowable length of the connecting pipe is up to 10 m An allowable height level is up to 5 m A place where the drain water does...

Page 42: ... 1 8 kgf m 9 52 30 to 42 3 0 to 4 2 kgf m 90 Outer dia A of copper pipe Rigid Imperial 6 35 0 5 to 1 0 1 0 to 1 5 9 52 0 5 to 1 0 1 0 to 1 5 8 5 2 Refrigerant piping connection 1 Cut the pipe with a pipe cutter Fig 8 5 2 2 Insert a flare nut into the pipe and flare the pipe Projection margin in flaring A Unit mm Fig 8 5 3 Tightening connection Align the centers of the connecting pipes and tighten ...

Page 43: ...itioner when the pump stops 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to start evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters a...

Page 44: ...arth line Earth line 8 6 How to Set Remote Contr Remote Control B Setup 1 Press RESET button on the indoor unit to turn ol Selector A or B When operating one indoor unit in a situation where two indoor units have been installed in the same The indoor unit on which the remote controller selection has been set to B receives the signal of the remote controller also set to B At the factory the remote ...

Page 45: ... 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 How to set the auto restart Press and hold the RESET button for about 3 seconds After 3 seconds the electronic beeper makes three short beeps to tell you the Auto Restart has been selected To can...

Page 46: ...d off 4 The compressor is not turned on and off even though the thermo control is operated in the Dry operation 5 The outdoor fan motor stops in the Heating operation 6 The compressor is not turned on even though the room temperature is in the range that the compressor is turned on 7 The operation mode changes in the Automatic operation 8 The Fan only operation continues in the Automatic operation...

Page 47: ...TION lamp is blinking 5Hz E OPERATION lamp is blinking 5Hz F OPERATION and TIMER lamps are blinking 5Hz G OPERATION and TIMER lamps are blinking Table 9 3 2 Diagnosis by detective operation The remote control does not work The outdoor fan does not rotate Turn off the power supply once then turn it on Try to operate the remote control The compressor operates The compressor does not operate The remo...

Page 48: ... will beep once Beep and the display of the remote controller will change as follows The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes to as shown in Table 11 4 1 Press ON or OFF button to change the check code backward If there is a fault the indoor unit will beep for 10 seconds Beep Beep Beep Note the check code on the display of...

Page 49: ...or 2 If it is OK check P C board 1 Check heat thermal fuse is blow or not Terminal block part 2 If the thermal fuse is not blow check indoor fan motor Refer to trouble shooting flow charts Replace P C borad 1 Check connective cable correct if wiring is wrong 2 Check thermal fuse and Terminal blocks 3 If it is OK check P C board 1 If overload relay and themostat for compres sor are OK check refrige...

Page 50: ...ective YES YES YES YES YES YES NO NO NO NO NO Does the thermal fuse blow Under PF Terminal Wrong wiring of AC cord or connecting cable is defective Replace the thermal fuse set Check connection Is the indication voltage DC12V or 5V of main P C board correct Does the CN14 connector the wrong connecting P C board is defective Replace the main P C board Is the voltage across C63 measured DC310V 340V ...

Page 51: ...s the OPERATION lamp blink Is it wired as shown in Figure below Return the wiring of the power relay is returned to the normal procedure To the paragraph of No Power turns on YES NO NO YES RAS 07SKHP E RAS 10SKHP E 4 3 1 2 Black White Red Blue RY01 3 4 T02 CN31 Indoor Terminal Block Green yellow L N Supply AC 220 240 V 50 60 Hz Brown Blue ...

Page 52: ...an not be turned on NO NO NO NO YES YES YES YES Does the power turn on by pushing the button of the remote control Is AC 220 240V supplied between terminal block 1 2 Relays RY01 or Q16 or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Does the OPERATION lamp blink See Power can not be turned on 51 ...

Page 53: ...ble connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the outdoor terminal 1 2 AC 220 240V Cables between indoor and outdoor units are defective Are all the cords for compressor normal Re wire or replace the defective cords Is the compressor motor winding normal Check the winding resistor Compressor is defective Is the capaci...

Page 54: ...ce the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the terminal 2 4 AC 220 240V Cables between indoor and outdoor units are defective Are all the cords for outdoor fan motor normal Correct the wire or replace the defective cords Is the outdoor fan motor winding normal Check the winding resistance Outd...

Page 55: ... not be turned on Is the voltage across the indoor terminal 2 3 220 240V Relays RY04 or Q24 or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the outdoor terminal 2 3 220 240V Cables between indoor and outdoor units are defective Is the wiring of solenoid coil for 4 way valve ...

Page 56: ...ng cable and power cord Change the setting of cooling to high fan Does the cross flow fan rotate normally Repair the bearing of the fan Thermal fuse operated due to prevent temperature rising cause of incompleted connecting Shut off the power supply Turn on the power supply Does the fan speed become higher Operation stops Motor control circuit failure IC30 IC03 Q17 D38 R25 R26 or 12V power circuit...

Page 57: ... NO NO NO Is operation possible when setting the temporary switch of the air conditioner main unit to TEST RUN or TEMPORARY AUTO Can any signal tone be heard when transmitting within 5 cm distance from the radio P C board is failure Replace P C board Is operation possible when the transmitter is moved nearer to the infrared sinnal receiver of the air conditioner Battery life Replace the batteries ...

Page 58: ...rs on the P C board hold the Whole housing Do not pull at the lead wire 2 Inspection procedres 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 ...

Page 59: ... connect ing cable terminal block AC 220 240V 1 All indicators light for 3 sec 2 Indicators do not indicate normally after approximate 3 sec 1 Compressor does not operate 2 OPERATION lamp blinks 1 Compressor does not operate 2 OPERATION lamp blinks 1 Motor does not rotate The key operation is accepted 2 The Motor rotates but it vibrates too much Shut off the power supply and remove the P C board a...

Page 60: ...C 25 C 30 C Resistance value 33 8 20 35 12 59 10 00 7 99 kΩ 9 6 3 How to set cancel the self cleaning function The self cleaning function is set from a factory To cancel this function should keep press the temporary button for 20 seconds till can hear the long combination sound and repeat the same procedure when need to set FILE NO SVM 07023 1 PRESET ONE TOUCH QUIET SWING TIMER ON FILTER CHK CLOCK...

Page 61: ...he screw for the electrical part box Then remove the LED and the electrical part box from the main unit How to mount the electrical part 1 To put back the electrical part box lock it to the upper hook of the back body 2 Tighten the screws on the electrical part box 3 Connect the 3 connectors and arrange the wiring same as original condition and then tighten the screw from the LED unit to the back ...

Page 62: ... assemble cross flow fan and fan motor to the unit please turn the fan motor unit the center of its terminal meets the top position of band motor R Fix the cross flow fan with the set screw at the position where the gap between the back body and the right surface of the cross flow fan is 4 7 mm 1 Remove the front panel electrical part horizontal louver heat exchanger and the cross flow fan followi...

Page 63: ...power cord and connecting cable attach the cord clamp and wiring cover Insert the upper part into the upper cabinet and insert the claw which has been hooked to the lower part into the square hole and then fix it with screw ST1T 4 x 10s 1 pc 3 Attach the valve cover ST1T 4 x 10s 1 pc Insert the upper part to the upper cabinet set the hook claw of the valve cover to square holes at three positions ...

Page 64: ...act refrigerant gas 3 Remove the partition board ST1T 4 x 10s 3 pcs 4 Remove the sound insulation material 5 Remove the terminal cover of the compressor and disconnect the lead wire of the compressor thermo and the compressor from the terminal 6 Remove the pipe connected to the compressor with a burner Make sure the flame does not touch the 4 way valve 7 Remove the fixing screw of the base plate a...

Page 65: ...n guard in the hole of the front cabinet Push the hooking claws 8 positions by your hand and fix the claws Requirement This completes all the attaching work Check that all the hooking claws are fixed to the specified positions 5 Fan guard Minus screwdriver Hooking claw 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 1 Screw 4 x 10s 6 Capacitor for compressor 7 Cap...

Page 66: ...ng out upward 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 1 Screw 4 x 10L 3 Disconnect the lead wires 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 1 Screw 4 x 10L 3 Disconnect the lead wires 10 2 2 Outdoor Unit RAS 10S2AH E 1 Common procedure 2 Capacitor for compressor 3 Capacitor for fan motor No Part name Procedures Remar...

Page 67: ...art No No No No 401 43T60378 TERMINAL 406 43T60077 FUSE TEMPERATURE 73C 402 43T60002 TERMINAL BLOCK 3P 410 43T62003 CORD CLAMP 403 43T69371 SENSOR HEAT EXCHANGER 411 43T69625 ASM PCB SERV RAS 07SKHP E 404 43T50314 SENSOR THERMOSTAT 411 43T69626 ASM PCB SERV RAS 10SKHP E 405 43T69612 PC BOARD ASSY WRS LED 412 43T60379 TERMINAL Description Description ...

Page 68: ...ILTER 219 43T20323 ASSY CROSS FLOW FAN 205 43T09392 HORIZONTAL LOUVER 220 43T39320 MOTOR BAND LEFT 206 43T70313 DRAIN HOSE 221 43T39321 MOTOR BAND RIGHT 207 43T79301 CAP DRAIN 222 43T21393 FAN MOTOR 208 43T21363 MOTOR STEPPING 224 43T82309 INSTALLATION PLATE 209 43T44386 REFRIGERATION CYCLE ASSY 225 43T69615 WIRELESS REMOTE CONTROL 210 43T47353 PIPE SUCTION RAS 13 226 43T83003 REMOTE CONTROL HOLDE...

Page 69: ...MBLY 6 43T00448 FIXING PLATE VALVE 24 43T96304 BUSHING 7 43T46332 VALVE PACKED 6 35 DIA 25 43T62325 ELECTRIC PART COVER 8 43T00347 VALVE PACKED 9 52 DIA 26 43T19331 FIN GUARD 9 43T47331 BONNET 6 35 DIA 27 43T54316 RELAY OVERLOAD 10 43T47332 BONNET 9 52 DIA 28 43T61308 ELECTRIC PARTS BASE 11 43T47007 CAPILLARY TUBE 1 2 DIA 29 43T55339 CAPACITOR PLASTIC FILM 12 43T00449 FRONT CABINET 30 43T55325 CAP...

Page 70: ...ALVE 22 43T96305 BUSHING 7 43T46308 VALVE PACKED 6 35 DIA 23 43T62323 TERMINAL COVER 8 43T00347 VALVE PACKED 9 52 DIA 24 43T19336 FIN GUARD 9 43T47331 BONNET 6 35 DIA 25 43T54314 RELAY OVERLOAD 10 43T47332 BONNET 9 52 DIA 26 43T61310 ELECTRIC PARTS BASE 11 43T47308 CAPILLARY TUBE 1 0 DIA 27 43T55338 CAPACITOR PLASTIC FILM 12 43T00486 FRONT CABINET 28 43T55325 CAPACITOR PLASTIC FILM 13 43T21341 MOT...

Page 71: ... 75 FILE NO SVM 03004 1 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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