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Toshiba RAS-13UKHP-ES3 Service Manual

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SERVICE MANUAL

AIR CONDITIONER

RAS-13UKHP-ES3 / RAS-13UAH-ES3
RAS-13UKHP-AS3 / RAS-13UAH-AS3
RAS-10UKHP-ES3 / RAS-10UAH-ES3
RAS-10UKHP-AS3 / RAS-10UAH-AS3
RAS-13UKP-ES3 / RAS-13UA-ES3
RAS-13UKP-AS3 / RAS-13UA-AS3
RAS-10UKP-ES3 / RAS-10UA-ES3
RAS-10UKP-AS3 / RAS-10UA-AS3
RAS-07UKP-ES3 / RAS-07UA-ES3
SPLIT WALL TYPE
FILE NO. SVM-04001-(2)
May 2004

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Summary of Contents for Toshiba RAS-13UKHP-ES3

  • Page 1: Service Manual

    FILE NO. SVM-04001-(2) SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-13UKHP-ES3 / RAS-13UAH-ES3 RAS-13UKHP-AS3 / RAS-13UAH-AS3 RAS-10UKHP-ES3 / RAS-10UAH-ES3 RAS-10UKHP-AS3 / RAS-10UAH-AS3 RAS-13UKP-ES3 / RAS-13UA-ES3 RAS-13UKP-AS3 / RAS-13UA-AS3 RAS-10UKP-ES3 / RAS-10UA-ES3 RAS-10UKP-AS3 / RAS-10UA-AS3 RAS-07UKP-ES3 / RAS-07UA-ES3 May 2004...

  • Page 2: Table Of Contents

    RAS-13UKP-AS3 / RAS-13UA-AS3 3-4 RAS-10UKP-ES3 / RAS-10UA-ES3 RAS-10UKP-AS3 / RAS-10UA-AS3 RAS-07UKP-ES3 / RAS-07UA-ES3 SPECIFICATION OF ELECTRICAL PARTS 4-1 Indoor Unit (RAS-13UKHP-ES3, RAS-13UKHP-AS3, RAS-10UKHP-ES3, RAS-10UKHP-AS3) 4-2 Outdoor Unit (RAS-13UAH-ES3, RAS-13UAH-AS3) 4-3 Outdoor Unit (RAS-13UA-ES3, RAS-13UA-AS3) 4-4 Outdoor Unit (RAS-10UAH-ES3, RAS-10UAH-AS3) 4-5 Indoor Unit (RAS-13UKP-ES3, RAS-13UKP-AS3, RAS-10UKP-ES3,...
  • Page 3 FILE NO. SVM-04001-(1) OPERATION DESCRIPTION 7-1 Outline of Air Conditioner Control 7-2 Description of Operation Circuit 7-3 Hi POWER Mode 7-4 High-Temperature Limit Control 7-5 Low-Temperature Limit Control 7-6 Defrost Operation 7-7 Current Limit Control 7-8 Auto Restart Function 7-9 Filter Check Lamp 7-10 Self-Cleaning function INSTALLATION PROCEDURE 8-1 Safety Cautions...

  • Page 4: Specifications

    FILE NO. SVM-04001 1. SPECIFICATIONS MODEL RAS-13UKHP-ES3, AS3 RAS-13UKP-ES3, AS3 RAS-13UAH-ES3, AS3 RAS-13UA-ES3, AS3 ITEM Cooling Heating Cooling 220V 240V 220V 240V 220V 240V Capacity 3.60 3.60 4.20 4.26 3.75 3.75 Phase 1∅ Power source 220 − 240 Power consumption 1.10...
  • Page 5 FILE NO. SVM-04001 MODEL RAS-10UKHP-ES3, AS3 RAS-10UKP-ES3, AS3 RAS-10UAH-ES3, AS3 RAS-10UA-ES3, AS3 ITEM Cooling Heating Cooling 220V 240V 220V 240V 220V 240V Capacity 2.70 2.70 2.90 2.96 2.70 2.70 Phase 1∅ Power source 220 − 240 Power consumption 0.82 0.84 0.78 0.82 0.82...
  • Page 6 FILE NO. SVM-04001 MODEL RAS-07UKP-ES3 RAS-07UA-ES3 Cooling ITEM 220V 240V Capacity 2.15 2.18 Phase 1 ∅ Power source 220 − 240 Power consumption 0.66 0.68 Power factor Running Indoor 0.15 current Outdoor 3.10 3.15 Starting current Moisture removal lit/h Indoor (H/M/L) 38/32/26 Noise Outdoor (220-240V)
  • Page 7 Outdoor unit inlet air temperature (WB) 24°C 6°C Note : 2 • Charge refrigerant according to the table below. RAS-13UKHP-ES3 / RAS-13UAH-ES3 RAS-10UKHP-ES3 / RAS-10UAH-ES3 RAS-13UKHP-AS3 / RAS-13UAH-AS3 RAS-10UKHP-AS3 / RAS-10UAH-AS3 Refrigerant RAS-13UKP-ES3 / RAS-13UA-ES3 RAS-10UKP-ES3 / RAS-10UA-ES3 RAS-13UKP-AS3 / RAS-13UA-AS3...

  • Page 8: Construction Views

    FILE NO. SVM-04001 2. CONSTRUCTION VIEWS 2-1. Indoor Unit Front panel Air inlet Air filter Heat exchanger Back body Air outlet Knock out system Knock out system Hanger Connecting pipe (0.43m) Drain hose (0.54m) (Flare ∅6.35) Hanger Connecting pipe (0.33m) (For 13 series ;...

  • Page 9: Outdoor Unit

    FILE NO. SVM-04001 2-2. Outdoor Unit (RAS-13UAH-ES3, RAS-13UAH-AS3, RAS-10UAH-ES3, RAS-10UAH-AS3, RAS-13UA-ES3, RAS-13UA-AS3, RAS-10UA-ES3, RAS-10UA-AS3) 32.5 A Detail Drawing (Back Leg) B Detail Drawing (Front Leg) ∅ 6 Hole ∅ 6 Hole ∅ 11x14 Hole R5.5 ∅ 30 Drain outlet 2-∅ 11x14 Hole (For ∅...
  • Page 10 FILE NO. SVM-04001 Outdoor Unit (RAS-07UA-ES3) B Detail Drawing (Front Leg) A Detail Drawing (Back Leg) R 15 ∅6 Hole ∅6 Hole R 15 ∅11x14 Hole R 5.5 ∅25Drain outlet 2-∅11x14 hole (for ∅8-∅10 anchor bolt) Fan guard Cover PV ∅420 (11) 273.5 (pitch)

  • Page 11: Wiring Diagram

    FILE NO. SVM-04001 3. WIRING DIAGRAM 3-1. RAS-13UKHP-ES3 / RAS-13UAH-ES3 RAS-13UKHP-AS3 / RAS-13UAH-AS3 73°C THERMAL FUSE INFRARED RAYS RECEIVE AND INDICATION PARTS 4 5 6 7 8 9 10 11 CN25 4 5 6 7 8 9 10 11 6 7 8 9 10 11...

  • Page 12: Ras-10Ukhp-Es3 / Ras-10Uah-Es3

    FILE NO. SVM-04001 3-2. RAS-10UKHP-ES3 / RAS-10UAH-ES3 RAS-10UKHP-AS3 / RAS-10UAH-AS3 Louver motor 73°C THERMAL FUSE INFRARED RAYS RECEIVE AND INDICATION PARTS 4 5 6 7 8 9 10 11 CN25 4 5 6 7 8 9 10 11 6 7 8 9 10 11 4 5 6 7 8 9 10 11 CN04 CN07...

  • Page 13: Ras-13Ukp-Es3 / Ras-13Ua-Es3

    FILE NO. SVM-04001 3-3. RAS-13UKP-ES3 / RAS-13UA-ES3, RAS-13UKP-AS3 / RAS-13UA-AS3 RAS-10UKP-ES3 / RAS-10UA-ES3, RAS-10UKP-AS3 / RAS-10UA-AS3 RAS-07UKP-ES3 / RAS-07UA-ES3, RAS-07UKP-AS3 / RAS-07UA-AS3 Infrared rays receiver and indication parts. TRANS (TT-10) CN25 CN14 CN05 CN06 MCC-920 CN07 DB50 Heat Exchanger CN01 Sensor (TC) RY01 DC 12 V...

  • Page 14: Specification Of Electrical Parts

    FILE NO. SVM-04001 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit (RAS-13UKHP-ES3, RAS-13UKHP-AS3, RAS-10UKHP-ES3, RAS-10UKHP-AS3) Parts name Type Specifications Fan motor (for indoor) SKF-220-20-4A-1 AC Motor with 150°C ther mo fuse Thermo sensor (T A-sensor) 10kΩ at 25°C Switching transformer (T01)

  • Page 15: Outdoor Unit (Ras-13Ua-Es3, Ras-13Ua-As3)

    FILE NO. SVM-04001 4-3. Outdoor Unit (RAS-13UA-ES3, RAS-13UA-AS3) Parts name Type Specifications Output (Rated) 1100W , 2poles, 1 phase, 220 − 240V, 50Hz Compressor PA150X2T-4FM1 Winding resistance (Ω) (at 20°C) 2.49 3.95 Output (Rated) 30W, 6poles, 1 phase, 220 − 240V, 50Hz Fan motor (for outdoor) HF-240-30B Winding resistance (Ω)

  • Page 16: Indoor Unit (Ras-13Ukp-Es3, Ras-13Ukp-As3, Ras-10Ukp-Es3, Ras-10Ukp-As3, Ras-07Ukp-Es3)

    FILE NO. SVM-04001 4-5. Indoor Unit (RAS-13UKP-ES3, RAS-13UKP-AS3, RAS-10UKP-ES3, RAS-10UKP-AS3, RAS-07UKP-ES3) Parts name Type Specifications Fan motor (for indoor) AC Motor with 150°C thermo fuse SKF-220-20-4A-1 Thermo sensor (TA-sensor) 10kΩ at 25°C Switching transformer TT-10 Microcontroller unit (IC30) TMP87CM40AN Heat exchanger sensor 10kΩ...

  • Page 17: Outdoor Unit (Ras-07Ua-Es3)

    FILE NO. SVM-04001 4-7. Outdoor Unit (RAS-07UA-ES3) Parts name Type Specifications Output (Rated) 605W, 2poles, 1 phase , 220 − 240V, 50Hz Compressor Winding resistance (Ω) PA79X1T-4FZ5 (at 20°C) 4.80 8.37 Output (Rated) 30W, 6poles, 1 phase , 220 − 240V, 50Hz Fan motor (for outdoor) HF-240-30B Winding resistance (Ω)

  • Page 18: Refrigeration Cycle Diagram

    FILE NO. SVM-04001 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-13UKHP-ES3/ RAS-13UAH-ES3 RAS-13UKHP-AS3 / RAS-13UAH-AS3 Indoor unit Evaporator Cooling 0.39m 0.49m Heating (Connecting pipe) (Connecting pipe) ∅12.7 ∅6.35 Cross flow fan O.D.:12.7mm O.D.:6.35mm Packed valve Packed valve (∅12.7) (∅6.35) Heating Cooling 4-way valve...

  • Page 19: Ras-10Ukhp-Es3 / Ras-10Uah-Es3

    FILE NO. SVM-04001 5-2. RAS-10UKHP-ES3 / RAS-10UAH-ES3 RAS-10UKHP-AS3 / RAS-10UAH-AS3 Indoor unit Evaporator Cooling 0.39m 0.49m Heating (Connecting pipe) (Connecting pipe) ∅9.52 ∅6.35 Cross flow fan O.D.:9.52mm O.D.:6.35mm Packed valve Packed valve (∅9.52) (∅6.35) Heating Cooling 4-way valve Heating Cooling Compressor PA108X1T-4FZ1 Capillary tube Capillary tube...

  • Page 20: Ras-13Ukp-Es3 / Ras-13Ua-Es3

    FILE NO. SVM-04001 5-3. RAS-13UKP-ES3 / RAS-13UA-ES3 RAS-13UKP-AS3 / RAS-13UA-AS3 Indoor unit Heat exchanger Cooling 0.49m 0.39m (Connecting pipe) (Connecting pipe) ∅6.35 ∅12.7 Cross flow fan O.D.:12.7mm O.D.:6.35mm Packed valve Packed valve (∅12.7) (∅6.35) Cooling Cooling Compressor PA150X2T-4FM1 Capillary tube ∅1.5x500 Condenser Refrigerant...

  • Page 21: Ras-10Ukp-Es3 / Ras-10Ua-Es3

    FILE NO. SVM-04001 5-4. RAS-10UKP-ES3 / RAS-10UA-ES3 RAS-10UKP-AS3 / RAS-10UA-AS3 Indoor unit Evaporator Cooling 0.39m 0.49m (Connecting pipe) (Connecting pipe) ∅9.52 ∅6.35 Cross flow fan O.D.:9.52mm O.D.:6.35mm Packed valve Packed valve (∅9.52) (∅6.35) Cooling Cooling Compressor PA108X1T-4FZ1 Capillary tube ∅1.5x1100l Condenser Refrigerant R410A : 0.65 kg.

  • Page 22: Ras-07Ukp-Es3 / Ras-07Ua-Es3

    FILE NO. SVM-04001 5-5. RAS-07UKP-ES3 / RAS-07UA-ES3 Indoor unit Evaporator Cooling 0.39m 0.49m (Connecting pipe) (Connecting pipe) ∅9.52 ∅6.35 Cross flow fan O.D.:9.52mm O.D.:6.35mm Packed valve Packed valve (∅9.52) (∅6.35) Cooling Cooling Compressor PA79X1T-4FZ5 Capillary tube ∅1.2x650l Condenser Refrigerant R-22 : 0.65 kg. Propeller fan Outdoor unit Cooling...

  • Page 23: Control Block Diagram

    FILE NO. SVM-04001 6. CONTROL BLOCK DIAGRAM 6-1. RAS-13UKHP-ES3 / RAS-13UAH-ES3, RAS-13UKHP-AS3 / RAS-13UAH-AS3, RAS-10UKHP-ES3 / RAS-10UAH-ES3, RAS-10UKHP-AS3 / RAS-10UAH-AS3 M.C.U. Main Unit Control Panel Operation Heat Exchange sensor Functions Display Timer Thermo. Sensor • Louver Control Display Filter Sign Current Sensor •...

  • Page 24: Ras-13Ukp-Es3 / Ras-13Ua-Es3

    FILE NO. SVM-04001 6-2. RAS-13UKP-ES3 / RAS-13UA-ES3, RAS-13UKP-AS3 / RAS-13UA-AS3 RAS-10UKP-ES3 / RAS-10UA-ES3, RAS-10UKP-AS3 / RAS-10UA-AS3 RAS-07UKP-ES3 / RAS-07UA-ES3 Main Unit Control Panel M.C.U. Operation Heat Exchange sensor Functions Display Timer Display Thermo. Sensor • Louver Control Filter Sign Display Infrared Rays Signal Reciver •...

  • Page 25: Operation Description

    • Transferring of operation commands to the LOW+MED outdoor unit • Receiving of information of the operation status MED+HIGH and judging of the information or indication of error Table 7-1-1 RAS-13UKHP-ES3 RAS-10UKHP-ES3 RAS-13UKHP-AS3 RAS-10UKHP-AS3 Model Air flow level Air flow level Motor speed...

  • Page 26: Description Of Operation Circuit

    FILE NO. SVM-04001 7-2. Description of Operation Circuit 7-2-2. Cooling operation ([MODE] button on the remote control is set (1) When turning on the breaker, the operation lamp to the cooling operation.) blinks. This means that the power is on (or the (1) The compressor, 4-way valve, outdoor fan and power supply is cut off.) operation display on the remote control are...
  • Page 27 FILE NO. SVM-04001 7-2-3. Dry operation 7-2-4. Heating operation *Heat pump model only ([MODE] button on the remote control is set ([MODE] button on the remote control is set to the dry operation.) to the heating operation.) (1) The compressor, 4-way valve, outdoor fan and (1) The compressor, 4-way valve, outdoor fan and operation display on the remote control are operation display on the remote control are...

  • Page 28: Cooling Operation

    Fig. 7-2-8 and Table 7-2-1. speed Starting period Stabilized period • From 12 to 25 minutes RAS-13UKHP-ES3, RAS-13UKHP-AS3 AUTO • Up until 12 minutes passed after starting passed after starting the unit...
  • Page 29 Fig. 7-5-1 and 7-5-2. air conditioner operates at maximum airflow level. If the difference between the preset RAS-13UKHP-ES3 temperature and the room temperature is small, RAS-13UKHP-AS3 the air conditioner operates at normal airflow level.
  • Page 30 FILE NO. SVM-04001 7-6. Defrost Operation * <In case of C> Heat pump model only (1) The heating operation is performed for at least 90 During the heating operation, the outdoor heat minutes. exchanger temperature goes down and sometimes it is frozen.
  • Page 31 (1) Current limit control (Cooling operation) Control is performed as shown below by detecting the compressor operating current with a current sensor (C.T). RAS-13UKHP-ES3, RAS-13UKHP-AS3 / RAS-10UKHP-ES3, RAS-10UKHP-AS3 Input current Compressor Outdoor fan More than I4 continues for 3 seconds 13.5A/ 19.2A I4...

  • Page 32: Auto Restart Function

    FILE NO. SVM-04001 7-8. Auto Restart Function 7-8-1. How to set auto restart function To set the auto restart function, proceed as follows: The indoor unit is equipped with an automatic The power supply to the unit must be on; the function restarting function which allows the unit to restart will not set if the power is off.

  • Page 33: Filter Check Lamp

    FILE NO. SVM-04001 7-8-2. How to cancel auto restart function To cancel auto restart function, proceed as follows: Repeat the setting prodedure: the unit receives the signal and beeps three times. The unit will be required to be turned on with the remote control after the main power supply is turned off.
  • Page 34 FILE NO. SVM-04001-(1) 7-10. Self-Cleaning function. Self-Cleaning function is designed to reduce humidity that causes mold to form inside the air conditioning unit. This advanced, efficient system reduces moisture in the coil. When you turn off your air conditioner, the internal fan activates and dries the moisture in the coil for 20 minutes, then turns off automatically.

  • Page 35: Installation Procedure

    FILE NO. SVM-04001 8. INSTALLATION PROCEDURE 8-1. Safety Cautions For general public use Power supply cord of parts of appliance for Outdoor use shall be at least polychloroprene sheathed flexible cord (design H07 RN-F), or cord designation 245 IEC66. CAUTION New Refrigerant Air conditioner Installation •...
  • Page 36 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 or other moisture before installation could result in electric shock.

  • Page 37: Installation Diagram Of Indoor And Outdoor Units

    FILE NO. SVM-04001 8-2. Installation Diagram of Indoor and Outdoor Units Before installing the For the rear left and left wireless remote control piping Hook • With the remote control cover Installation open, load the batteries supplied plate Wall correctly, observing their polarity.
  • Page 38 FILE NO. SVM-04001 8-3. Installation 8-3-1. Optional installation parts Part Parts name Q'ty Code Refrigerant piping Liquid side : ∅6.35 mm : ∅9.52 mm (07, 10 series) Gas side each : ∅12.70 mm (13 series) Gas side Pipe insulating material (polyethylene foam, 6 mm thick) Putty, PVC tapes each...
  • Page 39 FILE NO. SVM-04001 8-3-2. Accessory and installation parts Part Part Part Part name (Q'ty) Part name (Q'ty) Part name (Q'ty) Mounting screw ∅4 x 25 s x 6 Installation plate x 1 Remote control holder x 1 Pan head wood screw ∅3.1 x 16 s x 2 Wireless remote control x 1 Zeolite filter x 1...
  • Page 40 FILE NO. SVM-04001 8-3-3. Installation/Servicing tools <Changes in the product and components> In the case of an air conditioner using R410A, in order to prevent any other refrigerant from being charged accidentally, the service port diameter of the outdoor unit control valve (3 way valve) has been changed. (1/2 UNF 20 threads per inch) •...
  • Page 41 FILE NO. SVM-04001 8-4-2. Cutting a hole and mounting installation 8-4. Indoor Unit plate 8-4-1. Installation place <Cutting a hole> • A place which provides the spaces around the When installing the refrigerant pipes from the rear. indoor unit as shown in the above diagram. •...
  • Page 42 Anchor bolt NOTE • Ensure all wiring is used within its electrical rating. Projection 15 mm or less 5 mm dia. hole RAS-13UKHP-ES3 RAS-10UKHP-ES3 RAS-13UKHP-AS3 RAS-10UKHP-AS3 Model RAS-13UKP-ES3 RAS-10UKP-ES3 7 Mounting RAS-13UKP-AS3...
  • Page 43 FILE NO. SVM-04001 <How to connect the connecting cable> For RAS-13/10/07UK Wiring of the connecting cable can be carried out Cord clamp Terminal Terminal block without removing the front panel. cover 1. Remove the air inlet grille. Screw Open the air inlet grille upward and pull it toward Connecting cable you.
  • Page 44 FILE NO. SVM-04001 8-4-4. Piping and drain hose installation How to fix the drains cap 1) Insert hexagonal wrench (4 mm) in a center <Piping and drain hose forming> head. * Since dewing results in a machine trouble, make sure to insulate both the connecting pipes. (Use polyethylene foam as insulating material.) 4 mm Rear right...
  • Page 45 FILE NO. SVM-04001 <Left-hand connection with piping> 8-4-5. Indoor unit fixing Bend the connecting pipe so that it is laid within 43 mm 1. Pass the pipe through the hole in the wall, and hook above the wall surface. If the connecting pipe is laid the indoor unit on the installation plate at the upper exceeding 43 mm above the wall surface, the indoor hooks.
  • Page 46 FILE NO. SVM-04001 8-4-6. Drainage 8-5. Outdoor Unit 1. Run the drain hose sloped downwards. 8-5-1. Installation place • A place which provides the spaces around the NOTE outdoor unit as shown in the left diagram. • Hole should be made at a slight downward slant on •...
  • Page 47 FILE NO. SVM-04001 8-5-2. Refrigerant piping connection (Unit : N·m) Outer dia. 1. Cut the pipe with a pipe cutter. Tightening torque of copper pipe ∅6.35 16 to 18 (1.6 to 1.8 kgf·m) Roughness Warp Obliquity 90° ∅9.52 30 to 42 (3.0 to 4.2 kgf·m) ∅12.70 50 to 62 (5.0 to 6.2 kgf·m) Fig.
  • Page 48 FILE NO. SVM-04001 8-5-3. Evacuating <Packed valve handling precautions> After the piping has been connected to the indoor unit, • Open the valve stem all the way out; but do not try you can perform the air purge together at once. to open it beyond the stopper.
  • Page 49 FILE NO. SVM-04001 8-5-4. Wiring connection 8-6. How to Set Remote Control Selector Switch 1. Remove the valve cover from the outdoor unit. 2. Connect the connecting cable to the terminal as When two indoor units ae installed in seperated rooms, identified with their respective matched numbers on there is no need to change the selector switch.
  • Page 50 FILE NO. SVM-04001 2. Set the remote control selector switch with the 8-7. Others remote control 8-7-1. Gas leak test [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.

  • Page 51: Troubleshooting Chart

    FILE NO. SVM-04001 9. TROUBLESHOOTING CHART 9-1. Troubleshooting Procedure 9-2-2. Incorrect cable connection between Indoor and outdoor units Follow the details of 9-2. Basic Check Items. The indoor unit is connected to the outdoor unit with If there is no troub le corresponding to 9-2, check 5 cables (Heat pump model) or 3 cables (Cooling Only whether or not there are faulty parts following model).

  • Page 52: Primary Judgement

    FILE NO. SVM-04001 9-3. Primary Judgement 9-3-2. Failure diagnosis The indoor unit diagnoses the operation condition and 9-3-1. Role of indoor unit controller indicates the information of the self-diagnosis with the The indoor unit controller receives the operation lamps on the display panel of the indoor unit. commands from the remote control and executes them.
  • Page 53 FILE NO. SVM-04001 9-4. Self-Diagnosis by Remote Control (Check Code) (1) If the lamps are indicated as shown B to G in Table 9-3-1, exchanger the self-diagnosis by the remote control. (2) When the remote control is set to the service mode, the indoor controller diagnoses the operation condition and indicate the information of the self-diagnosis on the display of the remote...
  • Page 54 FILE NO. SVM-04001 Table 9-4-1 Block level Diagnosis function Judgement and action Check Check Block Symptom Conditioner Condition code code status Indoor Thermo. sensor Indicated Continued 1.Check thermo sensor. P.C. board short/break. when detected operation. 2.If it is OK, check abnormal P.C.

  • Page 55: Troubleshooting Flowcharts

    FILE NO. SVM-04001 9-5. Troubleshooting Flowcharts 9-5-1. Power can not be turned on (No operation at all) <Preliminary checks> (1) Is the supply voltage normal? Operation (2) Is the connection to the AC output OK.? Check Items Heat pump Model Main cause Shut off the power supply from AC outlet once and...
  • Page 56 FILE NO. SVM-04001 Cooling Model Operation Check Items Main cause Shut off the power supply from AC outlet once and Countermeasure turn it on after 5 seconds. Symptom Does the OPERATION lamp blink? Does the power turn on Does the transmission by pushing the [START/ indicator of remote Remote control is...
  • Page 57 Return the wiring of the Does the OPERATION Is it wired as shown power relay is returned to lamp blink? in Figure below? the normal procedure. To the paragraph of "No Power turns on". RAS-13UKHP-ES3, RAS-13UKHP-AS3 RAS-10UKHP-ES3, RAS-10UKHP-AS3 − 55 −...

  • Page 58: Outdoor Unit Does Not Operate

    FILE NO. SVM-04001 RAS-13UKP-ES3, RAS-13UKP-AS3, RAS-10UKP-ES3, RAS-10UKP-AS3 9-5-3. Outdoor unit does not operate Shut off the power supply from AC outlet once and turn it on after 5 seconds. Does the OPERATION lamp blink? See "Power can not be turned on". Does the power turn on by pushing See "Power can not be turned on".
  • Page 59 FILE NO. SVM-04001 9-5-4. Only compressor does not operate Shut off the power supply from AC outlet once and turn it on after 5 seconds. Does the OPERATION lamp blink? See "Power can not be turned on". Does the power turn on by See "Power can not be turned on".

  • Page 60: Only Outdoor Fan Does Not Operate

    FILE NO. SVM-04001 9-5-5. Only outdoor fan does not operate Shut off the power supply from AC outlet once and turn it on after 5 seconds. Does the OPERATION lamp blink? See "Power can not be turned on". Does the power turn on by See "Power can not be turned on".
  • Page 61 FILE NO. SVM-04001 9-5-6. Only 4-Way valve does not operate (During heating operation) Heat Pump Model Shut off the power supply from AC outlet once and turn it on after 5 seconds. Does the OPERATION lamp blink? See "Power can not be turned on". Does the power turn on by See "Power can not be turned on".
  • Page 62 FILE NO. SVM-04001 9-5-7. Only the indoor fan does not operate <Check procedure> Heat Pump Model Shut off the power supply once. Turn the power supply. Does the fan stop in Replace the P.C. board. Control P.C. board is defective. no operating status? Start the operation with low fan setting...
  • Page 63 FILE NO. SVM-04001 Cooling Model Shut off the power supply once. Turn the power supply. Does the fan stop in Replace the P.C. board. Control P.C. board is defective. no operating status? Start the operation with low fan setting in cool operation. Does connecting terminal, connecting Does AC 120V...
  • Page 64 FILE NO. SVM-04001 9-6. Troubleshooting for Remote Control (Including the Indoor P.C. Board) There is no been from the indoor unit. Push the START/STOP button. The operation lamp of the air conditioner main unit does not light. Does the transmission indicator blink? Reset the remote control by use the tip pencil push...
  • Page 65 FILE NO. SVM-04001 9-6-1 How to check the P.C. board (2) Inspection procedres 1) When a P.C. board is judged to be defective, (1) Operating precautions check for disconnection, burning, or discolora- 1) When removing the front panel or the P.C. board, tion of the copper foil pattern or this P.C.
  • Page 66 FILE NO. SVM-04001 (3) Checking procedure Heat Pump Model Table 9-6-1 Procedure Check Point (Symptom) Causes Shut off the power supply and 1. Is the fuse blown? 1. • Application of shock voltage. remove the P.C. board assembly • Overload by short-circuit of the from the electronic parts base.
  • Page 67 FILE NO. SVM-04001 Cooling Model Table 9-6-2 Procedure Check Point (Symptom) Causes Shut off the power supply and 1. Is the fuse blown? 1. • Application of shock voltage. remove the P.C. board assembly • Overload by short-circuit of the from the electronic parts base.
  • Page 68 FILE NO. SVM-04001 Table 9-6-3 Approximate resistance value of thermo sensor (kΩ) Temperature 0°C 10°C 20°C 25°C 30°C Resistance value 33.8 20.35 12.59 10.00 7.99 9-6-3. How to shorten time of restart delay timer Press [CLR] button while pressing [CHECK] button with a tip of a pencil.

  • Page 69: Part Replacement

    FILE NO. SVM-04001 10. PART REPLACEMENT 10-1. Indoor Unit Part name Procedures Remarks Front panel How to remove the front panel 1) Stop the operation of the air conditioner and turn off its main power supply. 2) Pull the air inlet grille toward you to open it and remove the air inlet grille.
  • Page 70 FILE NO. SVM-04001 Part name Procedures Remarks Heat exchanger 1) Remove the front panel, electrical part and the horizontal louver following procedure 3. 2) Remove the pipe holder at the rear side of main unit. 3) Remove the 2 screws on the heat exchanger at the base bearing.
  • Page 71 FILE NO. SVM-04001 10-2. Outdoor Unit Part name Procedures Remarks Common 1) Stop the operation of air-conditioner, and 2-Screws Ø4 x 22L Cord clamp procedure disconnect the power cord from the AC Electric supply. parts cover 2) Remove packed valve cover and Electric parts cover.
  • Page 72 FILE NO. SVM-04001 Part name Procedures Remarks 1) Perform the common procedure Capacitor for Screws 2) Remove the fixing screw and the capacitor ∅4 x 8L Capacitor band compressor band. (1-Screw ∅4 x 8L for 10k, 13k) (1-Screw ∅4 x 10L for 07k) 3) Disconnect the lead wires.

  • Page 73: Exploded Views And Parts List

    43T69364 Fuse, Temperature, 73°C 43T60001 Terminal Block, 2P 43T60002 Terminal Block, 3P 43T62003 Cord Clamp 43T69371 TC Sensor 43T69384 P.C. Board (RAS-10UKHP-ES3/AS3) 10kΩ 25°C 43T69385 P.C. Board (RAS-13UKHP-ES3/AS3) 43T69005 Sensor, Thermostat 10kΩ 25°C 43T69079 P.C. Board ASSY,WRS-LED MCC-861 − 71 −...
  • Page 74 FILE NO. SVM-04001 11. EXPLODED VIEWS AND PARTS LIST Indoor Unit (E-Parts Assy) (For Cooling model) Location Part Location Part Description Description 43T69364 Fuse, Temperature, 73°C 43T60002 Terminal Block, 3P 43T69371 TC Sensor 43T62003 Cord Clamp 10kΩ 25°C 43T69365 P.C. Board (RAS-07UKP-ES3) 43T69005 Sensor, Thermostat 10kΩ...
  • Page 75 FILE NO. SVM-04001-(1) 11-2. Indoor Unit Location Part Location Part Description Description 43T00391 Front Panel Assy 43T22002 Bearing 43T09326 Inlet Grille Assy 43T39301 Base, Bearing 43T03302 Back Body Assy 43T20302 Cross Flow Fan 43T80301 Air Filter 43T39302 Band Motor-L 43T09328 Horizontal Louver 43T21338 Motor, Fan, SKF-220-20-4A-1, 43T08392 LED Panel Assy AC 220-240V...
  • Page 76 FILE NO. SVM-04001 11-3. Outdoor Unit (RAS-13UAH-ES3, RAS-13UAH-AS3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T03303 Fixing plate valve 43T03308 Back cabinet assembly Capillary Tube ∅1.5ID 43T47011 43T42310 Base cabinet assembly 43T41321 Compressor (PA150XT2-4FM1) 43T47324 Bolt compressor(M6) 43T00395 Upper cabinet assembly 43T09318 Guard fan 43T49008 Cushion rubber...
  • Page 77 FILE NO. SVM-04001 11-4. Outdoor Unit (RAS-10UAH-ES3, RAS-10UAH-AS3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T63303 Fixing plate valve 43T03306 Back cabinet assembly 43T47007 Capillary Tube ∅1.2ID 43T42311 Base coat assembly 43T41327 Compressor (PA108X1T-4FZ1) 43T00396 Upper cabinet assembly 43T47325 Bolt compressor(M6) 43T09318 Guard fan 43T49001 Cushion rubber...
  • Page 78 FILE NO. SVM-04001 11-5. Outdoor Unit (RAS-13UA-ES3, RAS-13UA-AS3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T47333 Bonnet 12.7 Dia 43T03308 Back cabinet assembly 43T63303 Finxing plate valve 43T42310 Base coat assembly 43T47008 Capillary tube 1.5 Dia 43T09318 Guard Fan 43T41321 Compressor (PA150X2T-4FM1) 43T62311 Electric part cover 43T47327 Bolt compressor (M6)
  • Page 79 FI LE NO. SVM -04001 11-6. Outdoor Unit (RAS-10UA-ES3, RAS-10UA-AS3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T47332 Bonnet 9.52 Dia 43T03308 Back cabinet assembly 43T63303 Finxing plate valve 43T42311 Base coat assembly 43T47008 Capillary tube 1.5 Dia 43T09318 Guard Fan 43T41327 Compressor (PA108X1T-4FZ1) 43T62311 Electric part cover...
  • Page 80 FILE NO. SVM-04001-(1) 11-7. Outdoor Unit (RAS-07UA-ES3) 10, 11 08 , 09 : CAPILLARY TUBE Location Part Location Part Description Description 43T19313 Guard, Fan 43T47001 Nut, Flange 43T20306 Fan, Propeller 43T19312 Handle 43T00398 Front Cabinet Coating Assembly 43T49001 Cushion, Rubber 43T43335 Condenser Assembly 43T41309 Compressor, PA79X1T-4FZ5 43T62304 Electric Parts Cover...
  • Page 81 FILE NO. SVM-03001(1) TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000,THAILAND. – 72 –...

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