Toshiba RAS-10UA-E2 Service Manual Download Page 72

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FILE NO. SVM-03004(1)

11-5. Outdoor Unit (RAS-13UA-E2)

Location

Part

Description

No.

43T00368 Front cabinet assembly

43T03306 Back cabinet assembly

43T42303 Base cabinet assembly

43T09318 Guard fan

43T62311 Electrical part cover

43T20307 Fan propeller

43T21323 Motor fan (HF-240-30B)

43T47001 Nut flange

43T41334 Condenser assembly

43T46311 Valve packed 6.35 Dia.

43T46019 Valve packed 12.7 Dia.

43T47020 Bonnet 6.35 Dia.

43T47018 Bonnet 12.7 Dia.

Location

Part

Description

No.

43T63303 Fixing plate valve

43T47014 Tube capillary

∅

1.7ID

43T41340 Compressor (PH160T2-4LH2)

43T47324 Bolt compressor(M6)

43T49008 Cushion rubber

43T52310 Packed valve cover assembly

43T00369 Upper cabinet assembly

43T55304 Capacitor, Plastic film (35

F 370 V)

43T55314 Capacitor, Plastic film (1.5

F 450 V)

43T60322 Terminal 2P

43T54301 Overload relay

43T63001 Overload relay holder

)

(

Summary of Contents for RAS-10UA-E2

Page 1: ...03004 1 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE July 2003 RAS 13UKHP E2 RAS 13UAH E2 RAS 10UKHP E2 RAS 10UAH E2 RAS 13UKP E2 RAS 13UA E2 RAS 10UKP E2 RAS 10UA E2 RAS 13UKPX2 RAS 13UAX2 RAS 10UKPX2 RAS 10UAX2 ...

Page 2: ... Outdoor Unit RAS 13UAX2 4 7 Outdoor Unit RAS 10UA E2 5 REFRIGERATION CYCLE DIAGRAM 5 1 RAS 13UKHP E2 RAS 13UAH E2 5 2 RAS 10UKHP E2 RAS 10UAH E2 5 3 RAS 13UKP E2 RAS 13UA E2 5 4 RAS 10UKP E2 RAS 10UA E2 5 5 RAS 13UKPX2 RAS 13UAX2 5 6 RAS 10UKPX2 RAS 10UAX2 6 CONTROL BLOCK DIAGRAM 6 1 RAS 13UKHP E2 RAS 13UAH E2 RAS 10UKHP E2 RAS 10UAH E2 6 2 RAS 13UKP E2 RAS 13UA E2 RAS 10UKP E2 RAS 10UA E2 RAS 13...

Page 3: ...ure 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 13UAH E2 11 4 Outdoor Unit RAS 10UAH E2 11 5 Outdoor Unit RAS 13UA E2 11 6 Ou...

Page 4: ...6 35 Interconnection Connection type Flare connection pipe Maximum length m 15 1 One way Maximum height m 6 difference INDOOR UNIT RAS 13UKHP E2 RAS 13UKP E2 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 520 550 520 Low fan m3 h 430 490 430 Fan motor output W 20 Air...

Page 5: ...size mm 6 35 Interconnection Connection type Flare connection pipe Maximum length m 10 1 One way Maximum height m 5 difference INDOOR UNIT RAS 10UKHP E2 RAS 10UKP E2 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 ...

Page 6: ...nnection Connection type Flare connection pipe Maximum length m 15 1 10 1 One way Maximum height m 6 5 difference INDOOR UNIT RAS 13UKPX2 RAS 10UKPX2 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 630 630 Air volume Medium fan m3 h 550 490 Low fan m3 h 460 370 Fan motor output W 20 Air filter Honeycomb wo...

Page 7: ...0UKHP E2 RAS 10UAH E2 Refrigerant RAS 13UKP E2 RAS 13UA E2 RAS 10UKP E2 RAS 10UA E2 Refrigerant RAS 13UKPX2 RAS 13UAX2 RAS 10UKPX2 RAS 10UAX2 1 No need to charge 15 m or less 10 m or less extra refrigerant Temperature Condition JIS C9612 1994 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 8: ...215 90 90 275 45 150 150 160 160 120 80 53 6 60 Hanger Hanger Hanger Hanger Hanger Drain hose 0 54 m Connecting pipe 0 43 m 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 Wireless remote control 57 18 160 For 13 series Flare 12 7 For 10 series...

Page 9: ...or 8 10 anchor bolt 436 4 x 11 Long holes For 8 10 anchor bolt 11 x 14 Hole 6 Hole 36 52 310 330 R15 270 600 90 780 62 COVER PV Electrical part cover Liquid side Flare 6 35 Gas side Flare 9 52 10 Series Gas side Flare 12 7 13 Series Service port 600 or more 13 Series A 600 mm 400 mm B 100 mm 45 mm 10 Series B or more A or more 100 or more 325 600 Air inlet Air outlet Installation dimension 120 75 ...

Page 10: ... 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 3 2 1 1 4 4 4 5 6 7 8 9 10 1...

Page 11: ...UIT 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 4 5 6 7 8 9 10 11 3 1 2 4 5 6 7 8 9 10 11 3 1 2 2 1 3 5 4 2 1 3 5 4 1 2 1 2 N L 1 3 5 1 3 5 1 2 1 2 3 3 1 1 2 2 BLK BLK 1 1 2 2 1 3 BROWN RED WHITE YELL...

Page 12: ...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 BLK GRY PNK ORN GRN YEL COLOR IDENTIFICATION BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI YEL CN25 PNK PNK YEL YEL YEL WHI I...

Page 13: ...R6 5 6Ω 2 W 12 Louver motor MP24GA 12VDC 13 Relay Comp RY01 DI12D1 Rating 20A AC250 V 12VDC 14 Relay Fan RY03 G5N 1A Rating 3A AC250 V 12VDC 15 Relay Solenoide RY04 G5N 1A Rating 3A AC250 V 12VDC 4 2 Outdoor Unit RAS 13UAH E2 No Parts name Type Specifications Output Rated 1100 W 2 poles 1 phase 220 240 V 50Hz 1 Compressor PH170T2 4L2 Winding resistance Ω C R C S at 20 C 2 22 3 04 Output Rated 42 W...

Page 14: ... valve 6 Overload relay JMRA99269 9200 U T 6 8A 90 C OPEN 135 5 C CLOSE 69 11 C 4 4 Indoor Unit RAS 13UKP E2 RAS 10UKP E2 RAS 13UKPX2 RAS 10UKPX2 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 sensor 10kΩ a...

Page 15: ...g resistance Ω C R C S at 20 C 2 43 3 78 Output Rated 42 W 6 poles 1 phase 220 240 V 50Hz 2 Fan motor for outdoor HF 240 20B Winding resistance Ω Red Black White Black at 20 C 387 3 466 2 3 Running capacitor DS45115CBPQC AC 450 V 1 5µF for fan motor 4 Running capacitor DS371356CPN AC 370 V 35µF for compressor 5 Overload relay LAAO00A U T 9 0A 80 C OPEN 135 5 C CLOSE 75 11 C 4 6 Outdoor Unit RAS 13...

Page 16: ... m Connecting pipe T1 P Refrigerant R22 1 00 kg 12 7 6 35 Ambient temp conditions DB WB C Indoor Outdoor Standard 1 84 46 0 High 20 15 7 6 Heating Overload 1 2 00 2 42 52 0 59 0 Low 27 24 18 Low temperature 1 50 38 0 High 20 10 10 Standard 0 49 10 0 High 27 19 35 24 Cooling Overload 0 60 15 0 High 32 23 43 26 Low temperature 0 45 2 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat ex...

Page 17: ... 900s Accumulator Evaporator Ambient temp conditions DB WB C Indoor Outdoor Standard 1 65 40 0 High 20 15 7 6 Heating Overload 1 2 00 2 40 52 0 59 0 Low 27 24 18 Low temperature 1 40 35 0 High 20 10 10 Standard 0 48 12 0 High 27 19 35 24 Cooling Overload 0 58 15 0 High 32 23 43 26 Low temperature 0 45 5 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1...

Page 18: ...perature 0 45 2 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Fan speed indoor 50Hz Heat exchanger Indoor unit Cross flow fan Cooling Cooling Compressor Condenser Propeller fan Outdoor unit Capillary tube 1 7 x 1000s PH160T2 4LH2 Cooling Mark means check points of Gas Leak O D 12 7 mm O D 6 35 mm Cooling Packed valve 12 7 Packed valve 6 35 0 39 m...

Page 19: ... Connecting pipe 9 52 0 49 m Connecting pipe 6 35 T1 P Refrigerant R22 0 68 kg Evaporator Capillary tube 1 5 x 1000s Ambient temp conditions DB WB C Indoor Outdoor Standard 0 53 11 0 High 27 19 35 24 Cooling Overload 0 62 16 0 High 32 23 43 26 Low temperature 0 48 5 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Fan speed indoor 50Hz Note Measure ...

Page 20: ...perature 0 45 2 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Fan speed indoor 50Hz Heat exchanger Indoor unit Cross flow fan Cooling Cooling Compressor Condenser Propeller fan Outdoor unit Capillary tube 1 7x1000s PH160T2 4LH2 Cooling Mark means check points of Gas Leak O D 12 7 mm O D 6 35 mm Cooling Packed valve 12 7 Packed valve 6 35 0 39 m C...

Page 21: ... Connecting pipe 9 52 0 49 m Connecting pipe 6 35 T1 P Refrigerant R22 0 65 kg Evaporator Capillary tube 1 5x1000s Ambient temp conditions DB WB C Indoor Outdoor Standard 0 53 11 0 High 27 19 35 24 Cooling Overload 0 62 16 0 High 32 23 43 26 Low temperature 0 48 5 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Fan speed indoor 50Hz Note Measure th...

Page 22: ...uver Driver Relay RY01 Relay 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 STA...

Page 23: ...r Display Filter Sign Display Fan Only Sign Display Indoor Fan Motor Louver Motor Louver ON OFF Signal Compressor ON OFF Signal Power Supply Circuit Noise Filter Relay Driver Louver Driver Relay RY01 220 240 V 50Hz Compressor Outdoor Fan Motor Initiallizing Circuit Clock Frequency Oscillator Circuit Louver Control 3 minutes Delay at Restart for Compressor Processing Temperature Processing Motor Re...

Page 24: ...ller operates the indoor fan motor based upon commands transmitted by the remote control and transfers the operation commands to the outdoor unit controller The outdoor unit controller receives operation commands from the indoor unit and operates the outdoor fan motor and the compressor 1 Role of indoor unit controller The indoor unit controller receives the operation commands from the remote cont...

Page 25: ...OTE 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 Fig 7 2 2 ...

Page 26: ...ntrol 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 temperatures is shown in Fig 7 2 5 Fig 7 2 5 3 FAN button on the remote co...

Page 27: ...e 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 room temperature reaches a level at which another mode is selected 2 Temporary Auto When the TEMPORARY button on the indoor unit is pushed the preset temperature is fixed at 24 C and the indoor unit is controlled as shown in Fig 7 2...

Page 28: ...he air conditioner operates at normal airflow level 3 Heating operation Heat pump 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 7 4 High Temperature Limit Control Heat ...

Page 29: ...ating time 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 STO...

Page 30: ... 10UKHP E2 Fig 7 7 1 2 Current limit control Heating operation Control is performed as shown in Fig 7 7 2 RAS 13UKP E2 RAS 10UKP E2 RAS 13UKPX2 RAS 10UKPX2 Fig 7 7 2 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 10A 15 6A I2 9A 15 0A I1 Compressor Outdoor fan More than I4 continues for 3 seconds OF...

Page 31: ...to restart function proceed as follows The power supply to the unit must be 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 While the filter chec...

Page 32: ...w to turn off filter check lamp Press FILTER button on the remote control 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 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 appr...

Page 33: ... 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 34: ...ompressor 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 ...

Page 35: ...ear left rear right right bottom right or bottom left Right Rear right Bottom right Insulate the refrigerant pipes separately with insulation not together For the rear left and left piping Insert the cushion between the indoor unit and wall and tilt the indoor unit for better operation 1 Installation plate Wall Left Rear left Bottom left 6 mm thick heat resisting polyethylene foam Saddle Do not al...

Page 36: ... Fixing bolt arrangement of outdoor unit Fig 8 3 1 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 nuts If it is necessary to drain the defrost water attach drain nipple 9 and cap water proof to the bottom plate of the outdoor unit before installing it Air inlet Air outlet Drain outlet 600 mm 90 mm 125 mm 11...

Page 37: ...6 Part No 7 8 9 Others Name Owner s manual Installation manual 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 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...

Page 38: ...earest 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 5 m 5 m 45 45 75 7 m 7 m 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 plate Cutting a hole Wh...

Page 39: ...nchors for appropriate mounting screws 7 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 RAS 13UKHP E2 RAS 10UKHP E2 Model RAS 13UKP E2 RAS 10UKP E2 RAS 13UKPX2 RAS 10UKPX2 Power source 50Hz 220 240 V Single phase Maximum 12A 7 5A running current Plug socket 16A fuse rating Power cord 1 3 mm2 ...

Page 40: ...ing 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 supply cord and secure the cord camp and the power connect cover 6 Put the power supply cord through the notch 7 Be sure to ...

Page 41: ...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 For RAS 13 10UKHP Fig 8 4 9 Stripping length of the connecting cable Fig 8 4 10 Earth line Connecting cable Terminal cover Screw Cord clamp Terminal block about 15 cm Screw Sc...

Page 42: ... heat insulator Fig 8 4 15 How to fix the drains cap 1 Insert hexagonal wrench 4 mm in a center head Fig 8 4 16 2 Firmly insert drains cap Fig 8 4 17 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 18 In c...

Page 43: ...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 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 6 In...

Page 44: ...sturb 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 RAS 10UA or 15 m RAS 13UA An allowable height level is up to 5 m RAS 10UA or 6 m RAS 13UA A place ...

Page 45: ...sing VACUUM PUMP 4 Check gas leak connected points Flare nut Half union Externally threaded side Internally threaded side Flare at indoor unit side Flare at outdoor unit side Mark line Outer dia Tightening torque of copper pipe 6 35 16 to 18 1 6 to 1 8 kgf m 9 52 30 to 42 3 0 to 4 2 kgf m 12 70 50 to 62 5 0 to 6 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...

Page 46: ...into pipes of the air conditioner 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 ...

Page 47: ...or 245 IEC66 2 0 mm2 or more 8 6 How to Set Remote Control Selector Switch When two indoor units ae installed in seperated rooms there is no need to change the selector switch Remote control selector switch When two indoor units are installed in the same room or the adjacent two rooms they may be controlled simultaneously with a single remote control To prevent this set either unit and its remote ...

Page 48: ...ncel the Auto Restart follow the steps described in the section Auto Restart Function of the Owner s Manual Valve stem cap connection Service cap connection Valve cover 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 ...

Page 49: ...eating operation starts 6 The outdoor fan motor stops in the Heating operation 7 The compressor is not turned on even though the room temperature is in the range that the compressor is turned on 8 The operation mode changes in the Automatic operation 9 The Fan only operation continues in the Automatic operation 10 The Hi POWER operation does not work No Operation of air conditioner Descriptions Th...

Page 50: ...g 5Hz E OPERATION lamp is blinking 5Hz F OPERATION and TIMER lamps are blinking 5Hz G OPERATION TIMER and PRE DEF or FAN ONLY for cooling only model 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 do...

Page 51: ... with a code the indoor unit will beep once Pi and the display of the remote control will change as follows Check the unit with all 35 check codes 00 to 22 as shown in Table 9 4 1 Press TIMER 9 button to change the check code backwards If there is a fault the indoor unit will beep for 10 seconds Pi Pi Pi Note the check code on the display of the remote control 2 digits alphanumeric will be indicat...

Page 52: ...sor 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 board 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 thermostat for compressor are OK check refrig...

Page 53: ...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 DC12 V or 5 V of main P C 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 DC310 V 340 V Refer to the paragraph Pre check or ...

Page 54: ...igure 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 10UKHP E2 RAS 13UKHP E2 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: ... supply from AC outlet once and turn it on after 5 seconds See Power can 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 220 240 V 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...

Page 56: ...board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the outdoor terminal 1 2 AC 220 240 V 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 I...

Page 57: ...y model AC 220 240 V 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 Heat pump model 1 2 Cooling only model AC 220 240 V Cables between indoor and outdoor units are defective Are all the cords for outdoor fan motor normal Correct the wire...

Page 58: ...ower can not be turned on Is the voltage across the indoor terminal 2 3 220 240 V 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 outdoor terminal 2 3 220 240 V Cables between indoor and outddor units are defective Is the wiring of solenoid coil for 4...

Page 59: ...ng 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 12 V power circuit failire D...

Page 60: ...etting the temporary switch of the air conditioner main unit to TEST RUN or TEMPORARY AUTO Can any signal tone be heard in a trasistor radio 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 Reset the remote ...

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 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 62: ... 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 220 240 V 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 Moto...

Page 63: ...l 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 33 8 20 35 12 59 10 00 7 99 kΩ PRESET FAN MODE Hi POWER ON OFF SET CLR ECO AUTO TIMER CLOCK CHECK RESET FILTER FIX SWING MEMO START STOP 17 17 1 2 A B AUTOA ...

Page 64: ... 63 FILE NO SVM 03004 1 Top View Bottom View 9 6 3 P C board layout ...

Page 65: ...ove 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 the 3 connectors and arrange the wiring same as original condition and then tighten the screw from the LED unit to the bac...

Page 66: ...parate 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 of the cross flow fan is 4 mm 1 Remove the front panel electrical part horizontal louv...

Page 67: ...d 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 10 2 Outdoor Unit 1 Common procedure 2 Capacitor for compressor 3 Capacitor for fan motor No Part name Procedures Rem...

Page 68: ...C 404 43T69005 Sensor Thermostat 10kΩ 25 C 405 43T69079 P C Board ASSY WRS LED MCC 861 406 43T60077 Fuse Temperature 77 C Location Part Description No No 410 43T62003 Cord Clamp 411 43T69075 P C Board RAS 10UKHP E2 43T69076 P C Board RAS 10UKP E2 43T62337 P C Board RAS 10UKPX2 43T69077 P C Board RAS 13UKHP E2 43T69078 P C Board RAS 13UKP E2 43T62338 P C Board RAS 13UKPX2 411 410 403 402 404 406 40...

Page 69: ...r Sensor 216 43T49302 Plate of EVA Seal 217 43T49006 Holder Plate EVA Seal Location Part Description No No 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 220 240 V 224 43T39303 Band Motor R 225 43T82301 Plate Installation 226 43T69306 Remote Controller Wireless WC H1UE Heat pump...

Page 70: ... 11 43T46311 Valve packed 6 35 Dia 12 43T46019 Valve packed 12 7 Dia 13 43T47020 Bonnet 6 35 Dia 14 43T47018 Bonnet 12 7 Dia Location Part Description No No 15 43T63303 Fixing plate valve 16 43T47318 Tube capillary 1 2ID 17 43T47011 Tube capillary 1 5ID 18 43T41764 Compressor PH120T1 4C 19 43T47324 Bolt compressor M6 20 43T49008 Cushion rubber 21 43T52310 Packed valve cover assembly 22 43T55304 Ca...

Page 71: ...nge 10 43T41330 Condenser assembly 11 43T46311 Valve packed 6 35 Dia 12 43T00347 Valve packed 9 52 Dia 13 43T47020 Bonnet 6 35 Dia Location Part Description No No 14 43T47021 Bonnet 9 52 Dia 15 43T63303 Fixing plate valve 16 43T47011 Tube capillary 1 5ID 17 43T41331 Compressor PH120T1 4C 18 43T47325 Bolt compressor M6 19 43T49001 Cushion rubber 20 43T52310 Packed valve cover assembly 21 43T55305 C...

Page 72: ...Valve packed 6 35 Dia 11 43T46019 Valve packed 12 7 Dia 12 43T47020 Bonnet 6 35 Dia 13 43T47018 Bonnet 12 7 Dia Location Part Description No No 14 43T63303 Fixing plate valve 15 43T47014 Tube capillary 1 7ID 16 43T41340 Compressor PH160T2 4LH2 17 43T47324 Bolt compressor M6 18 43T49008 Cushion rubber 19 43T52310 Packed valve cover assembly 20 43T00369 Upper cabinet assembly 21 43T55304 Capacitor P...

Page 73: ...347 Valve packed 9 52 Dia 12 43T47020 Bonnet 6 35 Dia 13 43T47021 Bonnet 9 52 Dia Location Part Description No No 14 43T03303 Fixing plate valve 15 43T47011 Tube capillary 1 5ID 16 43T41339 Compressor PH102T1 4CH 17 43T47325 Bolt compressor M6 18 43T49001 Cushion rubber 19 43T52310 Packed valve cover assembly 20 43T00370 Upper cabinet assembly 21 43T55305 Capacitor Plastic film 25µF 370 V 22 43T55...

Page 74: ...r fan HF 240 30B 09 43T47001 Nut flange 10 43T41334 Condenser assembly 11 43T46311 Valve packed 6 35 Dia 12 43T46319 Valve packed 12 7 Dia Location Part Description No No 13 43T47020 Bonnet 6 35 Dia 14 43T47018 Bonnet 12 7 Dia 15 43T03303 Fixing plate valve 16 43T47014 Tube capillary 1 7ID 17 43T41340 Compressor PH160T2 4LH2 18 43T47324 Bolt compressor M6 19 43T49008 Cushion rubber 20 43T52310 Pac...

Page 75: ...1333 Condenser assembly 11 43T46311 Valve packed 6 35 Dia 12 43T00347 Valve packed 9 52 Dia Location Part Description No No 13 43T47020 Bonnet 6 35 Dia 14 43T47021 Bonnet 9 52 Dia 15 43T03303 Fixing plate valve 16 43T47011 Tube capillary 1 5ID 17 43T41339 Compressor PH102T1 4CH 18 43T47325 Bolt compressor M6 19 43T49001 Cushion rubber 20 43T52310 Packed valve cover assembly 21 43T55305 Capacitor P...

Page 76: ... 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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Toshiba RAS-10UA-E2, Service Manual

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