Toshiba RAS-10UA-E Page 6 Service Manual Download

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FILE NO. SVM-02001

Note : 1

• Capacity is based on the following temperature conditions.

Note : 2

• Charge refrigerant according to the table below.

Refrigerant

No need to charge
refrigerant

RAS-13UKHP-E / RAS-13UAH-E

RAS-13UKP-E / RAS-13UA-E

RAS-13UKPX / RAS-13UAX

15m or less

RAS-10UKHP-E / RAS-10UAH-E

RAS-10UKP-E / RAS-10UA-E

RAS-10UKPX / RAS-10UAX-1

10m or less

Temperature

Condition

JIS C9612-1994

Cooling

Heating

(DB)

27 °C

20 °C

(WB)

19 °C

12 °C

(DB)

35 °C

7 °C

(WB)

24 °C

6 °C

Indoor unit inlet air temperature

Outdoor unit inlet air temperature

Summary of Contents for RAS-10UA-E

Page 1: ...AL AIR CONDITIONER SPLIT WALL TYPE FILE NO SVM 02001 RAS 13UKHP E RAS 13UAH E RAS 13UKP E RAS 13UA E RAS 13UKPX RAS 13UAX RAS 10UKHP E RAS 10UAH E RAS 10UKP E RAS 10UA E RAS 10UKPX RAS 10UAX 1 10 13 Class Apr 2002 ...

Page 2: ...tdoor Unit RAS 13UA E RAS 13UAX 4 6 Outdoor Unit RAS 10UA E RAS 10UAX 1 5 REFRIGERATION CYCLE DIAGRAM 5 1 RAS 13UKHP E RAS 13UAH E 5 2 RAS 13UKP E RAS 13UA E RAS 13UKPX RAS 13UAX 5 3 RAS 10UKHP E RAS 10UAH E 5 4 RAS 10UKP E RAS 10UA E 5 5 RAS 10UKPX RAS 10UAX 1 6 CONTROL BLOCK DIAGRAM 6 1 RAS 13UKHP E RAS 13UAH E RAS 10UKHP E RAS 10UAH E RAS 07UKHP E RAS 07UAH E 6 2 RAS 13UKP E RAS 13UA E RAS 13UK...

Page 3: ...mote Control Check Code 9 5 Troubleshooting Flowcharts 9 6 Troubleshooting for Remote Control Including The Indoor P C Board 10 PARTS REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit RAS 13UAH E 10 3 Outdoor Unit RAS 13UA E RAS 13UAX 10 4 Outdoor Unit RAS 10UAH E 10 5 Outdoor Unit RAS 10UA E RAS 10UAX 1 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit 1 11 2 Indoor Unit 2 11 3 Outdoor Unit RAS 13UA...

Page 4: ...ze mm Ø 6 35 Connection type Flare connection Maximum length m 15 1 One way Maximum height m 6 difference INDOOR UNIT RAS 13UKHP E RAS 13UKP E RAS 13UKPX Height mm 275 Dimensions Width mm 790 Depth mm 208 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 630 650 630 Air volume Medium fan m3 h 520 550 550 Low fan m3 h 430 490 460 Fan motor output W 30 Air fil...

Page 5: ...ide size mm Ø 6 35 Connection type Flare connection Maximum length m 10 1 One way Maximum height m 5 difference INDOOR UNIT RAS 10UKHP E RAS 10UKP E RAS 10UKPX Height mm 275 Dimensions Width mm 790 Depth mm 208 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 570 610 630 Air volume Medium fan m3 h 460 520 490 Low fan m3 h 340 400 370 Fan motor output W 30 A...

Page 6: ...eed to charge refrigerant RAS 13UKHP E RAS 13UAH E RAS 13UKP E RAS 13UA E RAS 13UKPX RAS 13UAX 15m or less RAS 10UKHP E RAS 10UAH E RAS 10UKP E RAS 10UA E RAS 10UKPX RAS 10UAX 1 10m or less Temperature Condition JIS C9612 1994 Cooling Heating DB 27 C 20 C WB 19 C 12 C DB 35 C 7 C WB 24 C 6 C Indoor unit inlet air temperature Outdoor unit inlet air temperature ...

Page 7: ...ystem 6 60 275 790 208 48 48 26 45 190 40 32 64 590 320 620 235 235 215 215 90 90 275 45 150 150 160 160 120 80 53 6 60 Hanger Hanger Hanger Hanger Hanger Drain hose 0 54m Connecting pipe 0 43m Flare 6 35 For stud bolt 8 10 For stud bolt 6 Installation plate outline Center line Minimum distance to ceiling 170 or more Minimum distance to ceiling 170 or more 65 or more Minimum distance to ceiling Wi...

Page 8: ... more 600 or more Installation dimension 600 Air inlet Air outlet 8 6 hole for fixing outdoor unit Liquid side Flare 6 35 Gas side Flare 12 7 120 11x14 hole 6 hole R10 600 Detail Drawing 50 36 A A 4 11x14 hole for 8 10 anchor bolt 600 100 130 780 90 59 27 Fan guard 420 Z View Z 4x 11x14 Long holes for 8 10 anchor bolt 2 2 Outdoor Unit RAS 13UAH E RAS 13UA E RAS 13UAX ...

Page 9: ... Handle 11 525 530 5 268 Fan guard 420 770 59 89 200 11 12 Electric parts cover Z 54 62 Access for charging 250 Z View 600 45 or more Air inlet 600 or more Minimum distance of the wall 4 11x14 Long holes 400 or more Air outlet Center port 230 100 or more Air inlet Visible outline of the product A Detail Drawing Mounting dimension of anchor bolt 268 770 59 89 For anchor bolt 8 10 2 3 Outdoor Unit R...

Page 10: ...T02 C T DSA VARISTOR RY01 4 3 F01 C15 L01 IC03 C58 R48 CN01 CN03 THERMO SENSOR TA HEAT EXCHANGER SENSOR TC CN10 R46 CR03 D38 C01 R01 DB01 POWER SUPPLY CIRCUIT C02 DC12V DC5V R21 VARISTOR MAIN P C BOARD MCC 862 T6 3A 250V P04 SG01 CN04 R22 PNK PNK YEL YEL YEL WHI INFRARED RAYS RECEIVE AND INDICATION PARTS CN11 AC FAN MOTOR INDOOR OUTDOOR BLK BLK 1 3 5 1 3 5 2 4 2 4 6 6 4 5 6 7 8 9 10 11 3 1 2 3 2 1...

Page 11: ...4 3 F01 C15 L01 IC03 C58 R48 CN01 CN03 THERMO SENSOR TA HEAT EXCHANGER SENSOR TC CN10 R46 CR03 D38 C01 R01 DB01 POWER SUPPLY CIRCUIT C02 DC12V DC5V R21 VARISTOR MAIN P C BOARD MCC 862 T6 3A 250V P04 SG01 CN04 R22 PNK PNK YEL YEL YEL WHI INFRARED RAYS RECEIVE AND INDICATION PARTS CN11 AC FAN MOTOR INDOOR OUTDOOR BLK BLK 1 3 5 1 3 5 2 4 2 4 6 6 4 5 6 7 8 9 10 11 3 1 2 3 2 1 4 3 2 1 4 4 5 6 7 8 9 10 ...

Page 12: ... RED RED RED WHI WHI BLK C BLK BLK GRN YEL CHASSIS RED FAN MOTOR OVER LOAD RELAY COMPRESSOR C S R COMORESSOR TERMINAL R S YEL 135 GRY BRW BLK WHI RED CN01 CN03 THERMO SENSOR TA HEAT EXCHANGER SENSOR TC CN10 CN11 AC FAN MOTOR BLK BLK 1 3 5 1 3 5 2 4 2 4 6 6 1 3 5 1 3 5 1 2 1 2 3 3 1 1 2 2 BLK BLK 1 1 2 2 BROWN RED WHITE YELLOW BLUE BLACK GRAY PINK ORANGE GREEN GREEN GRN YELLOW BRW RED WHI YEL BLU B...

Page 13: ...tor R01 RF 2TK5R6 5 6Ω 2W 12 Louver motor MP24GA 12VDC 13 Relay Comp RY01 DI12D1 Rating 20A AC250V 12VDC 14 Relay Fan RY03 G5N 1A Rating 3A AC250V 12VDC 15 Relay Solenoide RY04 G5N 1A Rating 3A AC250V 12VDC No Parts name Type Specifications Output Rated 1100W 2poles 1 phase 220 240V 50Hz 1 Compressor PH170T2 4L2 Winding resistance Ω C R C S at 20 C 2 22 3 04 Output Rated 42W 6poles 1 phase 220 240...

Page 14: ... C CLOSE 69 11 C 6 Solenoid coil VH7100D AC 220 240V for 4 way valve 4 4 Indoor Unit RAS 13UKP E RAS 13UKPX RAS 10UKP E RAS 10UKPX RAS 07UKP E RAS 07UKPX No Parts name Type Specifications 1 Fan motor for indoor MMF 240 20 4A 1 AC Motor with 135 C thermo fuse 2 Thermo sensor TA sensor 10kΩ at 25 C 3 Switching transformer T01 SWT 47 4 Microcontroller unit IC30 TMP87CM40AN 2C67 5 Heat exchanger senso...

Page 15: ...5µF RAS 10UAX 1 4 Running capacitor DS371256CPNB AC 370V 25µF for compressor 5 Overload relay LPA960B U T 6 1A 80 C OPEN 135 5 C CLOSE 78 11 C 1 Compressor 2PS146D5AB02 RAS 10UA E PH102T1 4C RAS 10UAX 1 No Parts name Type Specifications Output Rated 1100W 2poles 1 phase 220 240V 50Hz 1 Compressor PH160T2 4L2 Winding resistance Ω C R C S at 20 C 2 43 3 78 Output Rated 30W 6poles 1 phase 220 240V 50...

Page 16: ... operation a value for the high temperature limit control operation is included 50Hz Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Fan speed indoor Ambient temp conditions DB WB C Indoor Outdoor Evaporator Indoor unit Cross flow fan Cooling Heating 4 way valve Heating Cooling Compressor Accumulator Condenser Propeller fan Outdoor unit Capillary tube Capillary tube...

Page 17: ...50Hz Fan speed indoor Ambient temp conditions DB WB C Indoor Outdoor Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Heat exchanger Indoor unit Cross flow fan Cooling Cooling Compressor Condenser Propeller fan Outdoor unit Capillary tube 1 7x700 PH160T2 4L2 Cooling Mark means check points of Gas Leak O D 12 7mm O D 6 35mm Cooling Packed valve 12 7 Packed valve 6 35 ...

Page 18: ...1600 Accumulator Evaporator Standard 1 55 40 0 High 20 7 6 Heating Overload 1 1 9 2 1 52 0 59 0 Low 27 24 18 Low temperature 1 3 35 0 High 20 10 10 Standard 1 94 12 0 High 27 19 35 24 Cooling Overload 2 50 15 0 High 32 23 43 26 Low temperature 0 32 2 0 Low 21 15 21 15 Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor 1 During heating overload operation a val...

Page 19: ... Ambient temp conditions DB WB C Indoor Outdoor Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Indoor unit Cross flow fan Cooling Cooling Compressor Condenser Propeller fan Outdoor unit 2PS146D5AB02 Cooling Mark means check points of Gas Leak O D 9 52mm O D 6 35mm Cooling Packed valve 9 52 Packed valve 6 35 0 39m Connecting pipe 9 52 0 49m Connecting pipe 6 35 T1 P...

Page 20: ... Ambient temp conditions DB WB C Indoor Outdoor Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Indoor unit Cross flow fan Cooling Cooling Compressor Condenser Propeller fan Outdoor unit PH102T1 4C Cooling Mark means check points of Gas Leak O D 9 52mm O D 6 35mm Cooling Packed valve 9 52 Packed valve 6 35 0 39m Connecting pipe 9 52 0 49m Connecting pipe 6 35 T1 P R...

Page 21: ... OFF Signal Relay Driver Louver Driver Operation Display Timer Display Filter Sign Display PRE DEF Sign Display Indoor Fan Motor Hi Power Sign Display Louver Motor M C U Main Unit Control Panel Compressor ON OFF Signal Outdoor Fan ON OFF Signal 4 Way Valve ON OFF Signal Relay Relay Relay Compressor Outdoor Fan Motor 4 Way Valve Remote Control Operation START STOP Operation Mode Selection AUTO COOL...

Page 22: ...red Rays REMOTE CONTROL Heat Exchanger Sensor Thermo Sensor Infrared Rays Signal Receiver Initiallizing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Noise Filter Louver ON OFF Signal Relay Driver Louver Driver Compressor Outdoor Fan Motor Operation Display Timer Display Filter Sign Display Fan Only Sign Display Indoor Fan Motor Hi Power Sign Display Louver Motor Compressor ON OF...

Page 23: ...D 1 050 490 1 100 520 1 150 550 LOW 980 450 1 000 460 1 100 520 LOW 900 400 900 400 1 050 490 Model RAS 07UKP E RAS 10UKP E RAS 13UKP E RAS 07UKPX RAS 10UKPX RAS 13UKPX HIGH 1 200 570 1 300 630 1 300 630 Cooling MED 1 100 520 1 180 560 1 220 600 and MED 1 000 460 1 050 490 1 150 550 Fan only LOW 900 400 950 430 1 070 500 LOW 800 340 850 370 1 000 460 7 1 Outline of Air Conditioner Control This is ...

Page 24: ...air flow NOTE 1 The values marked with 1 are calculated and controlled by the difference in motor speed between M and L Fig 7 2 1 Setting of air flow FAN AUTO 2 The Hi POWER operation cannot be set 7 2 2 Cooling Operation MODE button on the remote control is set to the cooling operation 1 The compressor 4 way valve outdoor fan and operation display on the remote control are controlled as shown in ...

Page 25: ...mote control are controlled as shown in Fig 7 2 4 Fig 7 2 4 2 The microcontroller turns the compressor on and off at the regular intervals 4 to 6 minutes While the compressor is turning off the indoor fan motor operates in the SUPER LOW position The pattern of operation depending on the relation between room temperature and preset tempera tures is shown in Fig 7 2 5 Fig 7 2 5 3 FAN button on the r...

Page 26: ...ng the unit Room temperature Preset temperature 3 5 C 7 2 5 Automatic Operation MODE button on the remote control is set to the automatic operation 1 One of 3 operations Cooling Fan only or Heating is selected according to difference between the preset temperature and the room temperature at which the automatic operation has started as shown in Fig 7 2 9 The Fan only operation continues until the ...

Page 27: ...air conditioner operates at normal airflow level 3 Heating operation Heating and Cooling Model only The preset temperature increases 2 C The value of the preset temperature on the remote control does not change The indoor 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 Fig 7 4 1 60 53 52 Compressor Out...

Page 28: ... for the 4th cycle is 10 minutes When the outdoor temperature is very low however the defrost operating time is 10 minutes Fig 7 6 2 DEFROST LAMP During defrost operation the PRE DEF lamp is on and the indoor and outdoor fans are off The compressor start protection timer is inter looked with the PRE DEF lamp So the PRE DEF Lamp is off the fans stop for about 3 minutes after the START STOP button i...

Page 29: ...P E RAS 10UKHP E RAS 07UKHP E 2 Current limit control Heating Control is performed as shown in Fig 7 7 2 RAS 13UKHP E RAS 10UKHP E RAS 07UKHP E Remark This function is available only for heat pump model Cooling models have no a current sensor C T Input current 13 5A 19 2A I4 12 5A 17 8A I3 Compressor Outdoor fan More than I4 continues for 3 seconds OFF More than I3 continues for 5 seconds OFF ON I...

Page 30: ...e on the function will not set if the power is off Push the TEMPORARY button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down When the unit is on standby Not operating When the unit is in operation Operation Motions Push ...

Page 31: ... OR push TEMPORARY button on the indoor unit Note If TEMPORARY button is pushed while the filter check lamp is not indicating the indoor unit will start the Automatic Operation When the unit is on standby Not operating Operation Motions Push TEMPORARY button for more The unit is on standby than three seconds The unit starts to operate The orange lamp is on After approx three seconds The unit beeps...

Page 32: ...a place which cannot bear the weight of the 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 im...

Page 33: ...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 34: ...g out a drainage test Saddle A B 07 10 class 400 mm 45 mm 10 13 Class 07 Class 600 mm or more B mm or more 100 mm or more A mm or more 600 mm or more Vinyl tape Apply after carrying out a drainage test Saddle Extension drain hose Option RB 821SW Hook 170 mm or more Wall Insert the cushion between the indoor unit and wall and tilt the indoor unit for better operation The auxiliary piping can be con...

Page 35: ...ylene foam 6 mm thick Putty PVC tapes Air outlet RAS 13UAH E RAS 13UA E RAS 13UAX 600 mm 325 mm 52 5 mm 120 mm Air inlet Drain outlet RAS 10UAH E RAS 10UA E RAS 10UAX 1 Air outlet Fig 8 3 2 600 mm 111 mm 30 mm 230 mm Fig 8 3 3 Air outlet Drain outlet Air inlet Secure the outdoor 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 ...

Page 36: ...ilter x 1 Part No 4 5 6 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 heating model only Part No 7 8 9 The part marked with asterisk is packaged with the outdoor unit 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 Others Name Owner s m...

Page 37: ...should be determined as shown below CAUTION Direct sunlight to the indoor unit s wireless receiver should be avoided The microprocessor in the indoor unit should not be too close to RF noise sources For details see the owner s manual Top view Indoor unit Axial distance Reception range Reception range Remote control Indoor unit Remote control Side view 8 4 2 Cutting a Hole and Mounting Installation...

Page 38: ...mounting screws NOTE Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it 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 conditioner CAUTION This appliance can be connected to the mains in either of the following two ways 1 Connection...

Page 39: ...power cord connect a power cord to it as mentioned below 1 Open the air inlet grille upward 2 Remove the four screws securing the front panel 3 Slightly open the lower part of the front panel then pull the upper part of the front panel toward you to remove it from the rear plate 4 After removing the front panel remove the power cord connect cover and the cord camp 5 Connect and secure the power su...

Page 40: ... on the indoor unit For RAS 07UKHP E RAS 10UKHP E RAS 13UKHP E Terminal cover Screw Cord clamp Connecting cable Screw about 15 cm Connecting cable Screw Terminal block Stripping length of the connecting cable Earth line Connecting cable Earth line CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical cords and also any specific wiring instructi...

Page 41: ...tor How to fix the Drains Cap 1 Insert hexagonal wrench 4 mm in a center head 2 Firmly insert drains cap 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 In case of bottom right or bottom left piping After scribing slits of the front panel with a knife or a making off pin cut them with a p...

Page 42: ...eeding 43 mm above the wall surface the indoor unit may unstably be set on the wall When bending the connecting pipe make sure to use a spring bender so as not to crush the pipe Bend the connection pipe within a radius of 30 mm To connect the pipe after installation of the unit figure NOTE If the pipe is bent incorrectly the indoor unit may unstably be set on the wall After passing the connecting ...

Page 43: ...am 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 an elevated position be ...

Page 44: ...AUTION Do not apply excess torque Otherwise the nut may crack depending on the conditions Outer dia of copper pipe Ø6 35 mm Ø9 52 mm Ø12 70 mm Tightening torque of flare pipe connections Use a wrench to secure Tightening torque 16 to 18 1 6 to 1 8 kgf m 30 to 42 3 0 to 4 2 kgf m 50 to 62 5 0 to 6 2 kgf m Unit N m Flare at indoor unit side Flare at outdoor unit side Fig 8 5 4 For RAS 07 UA Mark lin...

Page 45: ...es for 20 meters assuming a pump capacity of 27 liters per minute Then confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure side valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both sides of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Service port Valve core ...

Page 46: ...amp Earth line Screw Connecting cable Earth line Fig 8 5 10 CAUTION Wrong wiring connection may cause some electrical parts burn out Be sure to comply with local codes on running the wire from indoor unit to outdoor unit size of wire and wiring method etc Every wire must be connected firmly 8 6 How to Set Remote Control Selector Switch When two indoor units ae installed in seperated rooms there is...

Page 47: ...n Fig 8 7 3 PRESET FAN MODE Hi POWER ON OFF SET CLR ECO AUTO TIMER CLOCK CHECK RESET FILTER FIX SWING MEMO START STOP A B A B 2 Set the remote control selector switch with the remote control B is indicated on the liquid crystal display when setting remote control selector switch to B A is not indicated on the display even if the selector switch is set to A 1 Load the remote control with the batter...

Page 48: ...the Auto Restart Press and hold the TEMPORARY 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 cancel the Auto Restart follow the steps described in the section Auto Restart Function of the Owner s Manual Information The product was shipped with Auto Restart function in the off position Turn it on as required...

Page 49: ...E DEF lamp is indicated when the Heating operation starts The outdoor fan motor stops in the Heating operation The compressor is not turned on even though the room temperature is in the range that the compressor is turned on The operation mode changes in the Automatic operation The Fan only operation continues in the Automatic operation The Hi POWER operation does not work The OPERATION lamp blink...

Page 50: ... lamps are blinking 5Hz G OPERATION TIMER and PRE DEF or FAN ONLY or cooling only model lamps are blinking H OPERATION TIMER and PRE DEF or FAN ONLY or cooling only model lamps are blinking Power failure when the power supply is turning on Thermo sensor TA short or break Heat exchanger sensor TC short or break Indoor fan motor lock or failure Indoor P C board failure Wrong wiring of connecting cab...

Page 51: ...to set the remote control to the service mode 00 is indicated on the display of the remote control The timer lamp on the indoor unit blinks continu ously 5 times per 1 sec Alphanumeric characters are used for the check code is 5 is 6 is A is B is C is D This illustration is only for RAS 13UKHP E RAS 10UKHP E and RAS 07UKHP E 2 Press TIMER 8 button If there is no fault with a code the indoor unit w...

Page 52: ...cted abnormal Indicated when detected abnormal Indicated when detected abnormal 1 Check thermo sensor 2 If it is OK check P C board 1 Check heat exchanger sensor 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 i...

Page 53: ... 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 PC board correct Does the CN13 connector the wrong connecting P C board is defective Replace the main P C board Is the voltage across C02 measured DC310V 340V Refer to the paragraph Pre check or defecti...

Page 54: ... 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 Double winding Indoor terminal block Power terminal block Black White Blue Brown RY01 P C board CN31 T02 Bind Band Indoor terminal block Power terminal block Black White Blue Brown RY01 P C board CN31 T02 1 2 3 4 N L 1 2 3 4 N L ...

Page 55: ... not be turned on NO NO NO NO YES YES YES YES Does the power turn on by pushing the START STOP button of the remote control Is AC 220 240V supplied between terminal block 1 2 Relays RY01 or IC31 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 tur...

Page 56: ...oard Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the indoor 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 t...

Page 57: ...nal 2 4 AC 220 240V Relays RY03 or IC31 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 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 ou...

Page 58: ...ol See Power can not be turned on Is the voltage across the terminal 2 3 220 240V Relays RY04 or IC31 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 terminal 2 3 220 240V Cables between indoor and outddor units are defective Is the wiring of solenoid coil for 4 way valv...

Page 59: ...g cable and power cord Change the setting of cooling to hight 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 T01 or 12V power circuit failire D03...

Page 60: ...the air conditioner main unit to TEST RUN or TEMPORARY AUTO Can any signal tone be heard in a trasistor radio when transmitting within 5cm 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 Short circuit the metal terminal at the side of t...

Page 61: ...ors 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 burnng or discoloration of the copper foil pattern or this P C board 2 the P C board consists of the follwing 2 parts a Main P C board part power relay indoor fan motor drive circuit and control circuit C P U and peripheral circuits bu...

Page 62: ...12V Between pin 10 of IC31 and GND Between pin 11 of IC31 and GND 2 Between No 1 and 2 of 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 Mo...

Page 63: ...cil 2 Then press START STOP button to transmit the signal to the indoor unit Table 9 6 2 Approximate resistance value of thermo sensor Temperature 0 C 10 C 20 C 25 C 30 C Resistance value 35 8 20 7 12 6 10 0 7 92 kΩ PRESET FAN MODE Hi POWER ON OFF SET CLR ECO AUTO TIMER CLOCK CHECK RESET FILTER FIX SWING MEMO START STOP 17 1 2 A B AUTOA ...

Page 64: ...m the sensor holder 6 Remove the screw for the ground connection remove the 2 screws for the electrical part box and remove the screw from the LED unit Then remove the LED unit 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 2 screws on the electrical part box 3 Connect th...

Page 65: ...d then remove the cross flow fan 3 Loosen the set screw of the cross flow fan then separate the fan and the fan motor Notice To assemble cross flow fan and fan motor to the unit please turn the fan motor unit the center of its terminal meets the lowest point of band motor R point A Fix the cross flow fan with the set screw at the position where the gap between the back body and the right surface o...

Page 66: ... 4 x 10L with nylon washer Pull the front lower portion toward you and remove it pulling 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 1 Perform the common procedure 1 2 Remove the te...

Page 67: ...nt lower portion toward you and remove it pulling 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 1 Screw 4 x 10L 3 Disconnect the lead wires 1 Perform the common procedure 1 2 Remove the terminal cover of compressor 3 Remove the overload relay holder ...

Page 68: ... 4 x 10L with nylon washer Pull the front lower portion toward you and remove it pulling 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 1 Perform the common procedure 1 2 Remove the te...

Page 69: ... out upward 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 1 Screw 4 x 8L 3 Disconnect the lead wires 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 1 Screw 4 x 8L 3 Disconnect the lead wires RAS 10UAX 1 1 Perform the common procedure 1 2 Remove the fixing screw 3 Disconnect the lead wires 1 Perform the common procedure 1 2 Remo...

Page 70: ...05 Sensor Thermostat 10kΩ 25 C 405 43T69079 P C Board ASSY WRS LED MCC 861 406 43T60077 Fuse Temperature 77 C Location Part No Description No 410 43T62003 Clamper Cord 411 43T69075 P C Board ASSY MCC 862 RAS 10UKHP E 412 43T69076 P C Board ASSY MCC 862 RAS 10UKP E 10UKPX 413 43T69077 P C Board ASSY MCC 862 RAS 13UKHP E 414 43T69078 P C Board ASSY MCC 862 RAS 13UKP E 13UKPX 410 403 402 404 401 406 ...

Page 71: ...2 Pipe Shield RAS 13UKHP E 13UKP E 13UKPX Location Part No Description No 215 43T19302 Holder Sensor 216 43T49302 Plate of EVA Seal 217 43T49006 Holder Plate EVA Seal 218 43T79302 Guide Drain 219 43T22002 Bearing 220 43T39301 Base Bearing 221 43T20302 Cross Flow Fan 222 43T39302 Band Motor L 223 43T21322 Motor Fan MMF 240 20 4A 1 AC 220 240V 224 43T39303 Band Motor R 225 43T82301 Plate Installatio...

Page 72: ...er 15 43T46311 Valve Packed 6 35 16 43T47020 Bonnet 6 35 DIA 17 43T46019 Valve Packed 12 7 Location Part No Description No 18 43T47018 Bonnet 12 7 DIA 19 43T47029 ASM PV CAP 20 43T47308 Tube Capillary 1 0 DIA 21 43T47014 Tube Capillary 1 7 DIA 22 43041764 Compressor PH170T2 4L2 23 43T97001 NUT W FW 24 43T49008 Cushion Rubber 25 43060049 Terminal Block 5P 26 43054398 Relay Over Load 27 43T79004 Nip...

Page 73: ...43043599 Condenser 15 43T46311 Valve Packed 6 35 Location Part No Description No 16 43T46019 Valve Packed 12 7 17 43T47020 Bonnet 6 35 DIA 18 43T47018 Bonnet 12 7 DIA 19 43T47029 ASM PV CAP 20 43T47014 Tube Capillary 1 7 DIA 21 43041762 Compressor PH160T2 4L2 AC 22 43T97001 NUT W FW 23 43T49008 Cushion Rubber 24 43T47322 Strainer 26 43T54301 Relay Over Load 27 43T55304 MF Capacitor 35µF 370V 28 43...

Page 74: ...43043599 Condenser 15 43T46311 Valve Packed 6 35 Location Part No Description No 16 43T46019 Valve Packed 12 7 17 43T47020 Bonnet 6 35 DIA 18 43T47018 Bonnet 12 7 DIA 19 43T47029 ASM PV CAP 20 43T47014 Tube Capillary 1 7 DIA 21 43041762 Compressor PH160T2 4L2 AC 22 43T97001 NUT W FW 23 43T49008 Cushion Rubber 24 43T47322 Strainer 26 43T54301 Relay Over Load 27 43T55304 MF Capacitor 35µF 370V 28 43...

Page 75: ... Bonnet 9 5 DIA 10 43T46311 Valve Packed 6 35 11 43T47020 Bonnet 6 35 DIA 12 43T46312 4 way valve 13 43T21320 Motor Fan Location Part No Description No 14 43T47001 Nut Flange 15 43T49030 Solenoid Coil 16 43T19005 Handle 17 43T49001 Cushion Rubber 18 43T79001 Nipple Drain 19 43T19002 Stopper Guard 20 43T63001 Holder OL Relay 21 43054403 Relay Over Load 22 43T41400 Compressor PH120T1 4C 23 43T55305 ...

Page 76: ... 35 09 43T47020 Bonnet 6 35 DIA 10 43T00347 Valve Packed 9 52 11 43T47021 Bonnet 9 52 DIA Location Part No Description No 12 43T21320 Motor Fan 13 43T47001 Nut Flange 14 43T19005 Handle 15 43T49001 Cushion Rubber 16 43T19002 Guard Stopper 18 43T54303 Relay Over Load 19 43T41405 Compressor 2PS146D5AB02 20 43045073 Dryer 21 43T55305 MF Capacitor 25µF 370V 22 43T55009 MF Capacitor 1 5µF 500V 23 43T60...

Page 77: ...Bonnet 6 35 DIA 10 43T00347 Valve Packed 9 52 11 43T47021 Bonnet 9 52 DIA 12 43T21320 Motor Fan Location Part No Description No 13 43T47001 Nut Flange 14 43T19005 Handle 15 43T49001 Cushion Rubber 16 43T19002 Guard Stopper 17 43T63001 Holder OL relay 18 43T54303 Relay Over Load 19 43T41402 Compressor PH102T1 4C 20 43T47322 Stainer 21 43T55305 MF Capacitor 25µF 370V 22 43T55022 MF Capacitor 1 5µF 5...

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Toshiba RAS-10UA-E, Service Manual

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