Toshiba RAS-13UKHP-ES4 Service Manual

Toshiba RAS-13UKHP-ES4 Service Manual

Split wall type
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SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE
RAS-13UKHP-ES4 / RAS-13UAH-ES4
RAS-10UKHP-ES4 / RAS-10UAH-ES4
RAS-13UKP-ES4 / RAS-13UA-ES4
RAS-10UKP-ES4 / RAS-10UA-ES4
RAS-07UKP-ES4 / RAS-07UA-ES4
FILE NO. SVM-05020
May 2005

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Summary of Contents for Toshiba RAS-13UKHP-ES4

  • Page 1: Service Manual

    FILE NO. SVM-05020 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-13UKHP-ES4 / RAS-13UAH-ES4 RAS-10UKHP-ES4 / RAS-10UAH-ES4 RAS-13UKP-ES4 / RAS-13UA-ES4 RAS-10UKP-ES4 / RAS-10UA-ES4 RAS-07UKP-ES4 / RAS-07UA-ES4 May 2005...
  • Page 2: Table Of Contents

    3-2 RAS-10UKHP-ES4 / RAS-10UAH-ES4 3-3 RAS-13UKP-ES4 / RAS-13UA-ES4 3-4 RAS-10UKP-ES4 / RAS-10UA-ES4 RAS-07UKP-ES4 / RAS-07UA-ES4 SPECIFICATION OF ELECTRICAL PARTS 4-1 Indoor Unit (RAS-13UKHP-ES4 RAS-10UKHP-ES4) 4-2 Outdoor Unit (RAS-13UAH-ES4) 4-3 Outdoor Unit (RAS-13UA-ES4) 4-4 Outdoor Unit (RAS-10UAH-ES4) 4-5 Indoor Unit (RAS-13UKP-ES4, RAS-10UKP-ES4,...
  • Page 3 FILE NO. SVM-05020 INSTALLATION PROCEDURE 8-1 Safety Cautions 8-2 Installation Diagram of Indoor and Outdoor Units 8-3 Installation 8-4 Indoor Unit 8-5 Outdoor Unit 8-6 How to Set Remote Control Selector Switch 8-7 Others TROUBLESHOOTING CHART 9-1 Troubleshooting Procedure 9-2 Basic Check Items 9-3 Primary Judgement 9-4 Self-Diagnosis by Remote Control (Check Code) 9-5 Troubleshooting Flowcharts...
  • Page 4: Specifications

    FILE NO. SVM-05020 1. SPECIFICATIONS MODEL RAS-13UKHP-ES4 RAS-13UKP-ES4 RAS-13UAH-ES4 RAS-13UA-ES4 ITEM Cooling Heating Cooling 220V 240V 220V 240V 220V 240V Capacity 3.74 3.82 4.32 4.40 3.90 3.95 Phase 1∅ Power source 220 − 240 Power consumption 1.15 1.19 1.18 1.22 1.19...
  • Page 5 FILE NO. SVM-05020 MODEL RAS-10UKHP-ES4 RAS-10UKP-ES4 RAS-10UAH-ES4 RAS-10UA-ES4 ITEM Cooling Heating Cooling 220V 240V 220V 240V 220V 240V Capacity 2.73 2.73 2.92 2.96 2.73 2.73 Phase 1∅ Power source 220 − 240 Power consumption 0.83 0.85 0.79 0.82 0.83 0.85 Power factor Running Indoor...
  • Page 6 FILE NO. SVM-05020 MODEL RAS-07UKP-ES4 RAS-07UA-ES4 Cooling ITEM 220V 240V Capacity 2.23 2.27 Phase 1 ∅ Power source 220 − 240 Power consumption 0.68 0.70 Power factor Running Indoor 0.15 current Outdoor 3.00 2.90 Starting current Moisture removal lit/h Indoor (H/M/L) 38/32/26 Noise Outdoor (220-240V)
  • Page 7 FILE NO. SVM-05020 Note : 1 • Capacity is based on the following temperature conditions. Condition JIS B8615-1 Temperature Cooling Heating (DB) 27°C 20°C Indoor unit inlet air temperature (WB) 19°C 15°C (DB) 35°C 7°C Outdoor unit inlet air temperature (WB) 24°C 6°C...
  • Page 8 FILE NO. SVM-05020 2-2. Outdoor Unit (RAS-13UAH-ES4, RAS-10UAH-ES4, RAS-13UA-ES4, RAS-10UA-ES4) 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 ∅ 8-∅ 10 anchor bolt) FAN GUARD ∅...
  • Page 9: Construction Views

    FILE NO. SVM-05020 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 10: Outdoor Unit

    FILE NO. SVM-05020 2-3. Outdoor Unit (RAS-07UA-ES4) 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: Ras-10Ukhp-Es4 / Ras-10Uah-Es4

    FILE NO. SVM-05020 3-2. RAS-10UKHP-ES4 / RAS-10UAH-ES4 73°C INFRARED RAYS RECEIVE Louver THERMAL FUSE AND INDICATION PARTS Motor 9 10 9 10 CN25 9 10 9 10 CN04 CN07 CN14 Micro SG01 DC5V Power Voltage VARISTOR T6.3A 250VAC Module Regulator FUSE F01 DC12V R319...
  • Page 12: Ras-13Ukp-Es4 / Ras-13Ua-Es4

    FILE NO. SVM-05020 3-3. RAS-13UKP-ES4 / RAS-13UA-ES4 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 Regulator circuit DC 5 V T6.3 A CN03 Thermo Sensor (TA) Louver motor 250 VAC CN11...
  • Page 13: Ras-10Ukp-Es4 / Ras-10Ua-Es4

    FILE NO. SVM-05020 3-4. RAS-10UKP-ES4 / RAS-10UA-ES4 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 Regulator circuit DC 5 V T6.3 A CN03 Thermo Sensor (TA) Louver motor 250 VAC CN11...
  • Page 14: Ras-07Ukp-Es4 / Ras-07Ua-Es4

    FILE NO. SVM-05020 3-5. RAS-07UKP-ES4 / RAS-07UA-ES4 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 Regulator circuit DC 5 V T6.3 A CN03 Thermo Sensor (TA) Louver motor 250 VAC CN11...
  • Page 15 FILE NO. SVM-05020 3. WIRING DIAGRAM 3-1. RAS-13UKHP-ES4 / RAS-13UAH-ES4 73°C INFRARED RAYS RECEIVE Louver THERMAL FUSE AND INDICATION PARTS Motor 9 10 9 10 CN25 9 10 9 10 CN04 CN07 CN14 Micro SG01 DC5V Power Voltage VARISTOR T6.3A 250VAC...
  • Page 16: Outdoor Unit (Ras-13Uah-Es4)

    FILE NO. SVM-05020 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit (RAS-13UKHP-ES4, RAS-10UKHP-ES4) 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) SWT-47...
  • Page 17: Outdoor Unit (Ras-13Ua-Es4)

    FILE NO. SVM-05020 4-3. Outdoor Unit (RAS-13UA-ES4) Parts name Type Specifications Output (Rated) 1100W , 2poles, 1 phase, 220 − 240V, 50Hz Compressor Winding resistance (Ω) PA150X2C-4FT (at 20°C) 2.35 3.22 Output (Rated) 30W, 6poles, 1 phase, 220 − 240V, 50Hz HF-240-30B or Fan motor (for outdoor) Winding resistance (Ω)
  • Page 18: Indoor Unit (Ras-13Ukp-Es4, Ras-10Ukp-Es4, Ras-07Ukp-Es4)

    FILE NO. SVM-05020 4-5. Indoor Unit (RAS-13UKP-ES4, RAS-10UKP-ES4, RAS-07UKP-ES4) 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 Transformer TT-10 Microcontroller unit (IC30) TMP87CM40AN Heat exchanger sensor 10kΩ at 25°C (TC-sensor) Line filter (L01) 27mH, 600mA...
  • Page 19: Outdoor Unit (Ras-07Ua-Es4)

    FILE NO. SVM-05020 4-7. Outdoor Unit (RAS-07UA-ES4) Parts name Type Specifications Output (Rated) 605W, 2poles, 1 phase , 220 − 240V, 50Hz Compressor Winding resistance (Ω) PA82X1C-4DZDN (at 20°C) 4.84 4.40 Output (Rated) 30W, 6poles, 1 phase , 220 − 240V, 50Hz HF-240-30B or Fan motor (for outdoor) Winding resistance (Ω)
  • Page 20: Refrigeration Cycle Diagram

    FILE NO. SVM-05020 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-13UKHP-ES4/ RAS-13UAH-ES4 Indoor unit Heat exchanger 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 Heating Cooling Compressor...
  • Page 21: Ras-10Ukhp-Es4 / Ras-10Uah-Es4

    FILE NO. SVM-05020 5-2. RAS-10UKHP-ES4 / RAS-10UAH-ES4 Indoor unit Heat exchanger 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 Capillary tube ∅1.5x1300 Heating Cooling Compressor PA108X1C-4FZDN Capillary tube ∅1.5x1000...
  • Page 22: Ras-13Ukp-Es4 / Ras-13Ua-Es4

    FILE NO. SVM-05020 5-3. RAS-13UKP-ES4 / RAS-13UA-ES4 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 PA150X2C-4FT Capillary tube ∅1.7x600 Accumulator Heat exchanger Refrigerant R410A : 0.95 kg.
  • Page 23: Ras-10Ukp-Es4 / Ras-10Ua-Es4

    FILE NO. SVM-05020 5-4. RAS-10UKP-ES4 / RAS-10UA-ES4 Indoor unit Heat exchanger 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 PA108X1C-4FZDN Capillary tube ∅1.5x1100l Heat exchanger Refrigerant R410A : 0.70 kg.
  • Page 24: Ras-07Ukp-Es4 / Ras-07Ua-Es4

    FILE NO. SVM-05020 5-5. RAS-07UKP-ES4 / RAS-07UA-ES4 Indoor unit Heat exchanger 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 PA82X1C-4DZDN Capillary tube ∅1.2x550l Heat exchanger Refrigerant R-410A : 0.63 kg.
  • Page 25: Control Block Diagram

    FILE NO. SVM-05020 6. CONTROL BLOCK DIAGRAM 6-1. RAS-13UKHP-ES4 / RAS-13UAH-ES4, RAS-10UKHP-ES4 / RAS-10UAH-ES4 Main Unit Control Panel M.C.U. Operation Heat Exchange sensor Functions Display Timer Thermo. Sensor • Louver Control Display Filter Sign Current Sensor • 3-minutes Delay at Restart...
  • Page 26: Ras-13Ukp-Es4 / Ras-13Ua-Es4

    FILE NO. SVM-05020 6-2. RAS-13UKP-ES4 / RAS-13UA-ES4, RAS-10UKP-ES4 / RAS-10UA-ES4, RAS-07UKP-ES4 / RAS-07UA-ES4 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 • 3-minutes Delay at Restart for Compressor Hi Power Sign Display...
  • Page 27: Operation Description

    FILE NO. SVM-05020 7. OPERATION DESCRIPTION 7-1. Outline of Air Conditioner Control 7-1-1. Louver control (1) Vertical air flow louver This is a fixed capacity type air conditioner, which uses Position of veritcal air flow louver is automatically AC motor for an indoor fan. The AC motor drive controlled according to the operation mode.
  • Page 28: Description Of Operation Circuit

    FILE NO. SVM-05020 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 supply is on. (1) The compressor, 4-way valve, outdoor fan and (2) When pressing [ ] button on the remote control,...
  • Page 29 FILE NO. SVM-05020 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 30: Cooling Operation

    FILE NO. SVM-05020 (3) The indoor heat exchanger restricts revolving *5 and *6: Table 7-2-1 speed of the fan motor to prevent a cold draft. The upper limit of the revolving speed is shown in Fig. 7-2-8 and Table 7-2-1. speed Starting period Stabilized period...
  • Page 31: Hi Power Mode

    FILE NO. SVM-05020 7-3. Hi POWER Mode 7-4. High-Temperature Limit Control ([Hi POWER] button on the remote *Heat pump model only control is pressed.) The microcontroller detects the indoor heat exchanger temperature to prevent pressure of a refrigerating cycle When [Hi POWER] button is pressed while the indoor from increasing excessively.
  • Page 32: Defrost Operation

    FILE NO. SVM-05020 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 33: Current Limit Control

    FILE NO. SVM-05020 7-7. Current Limit Control *Heat pump model only The microcontroller detects the input current so as to prevent it exceeds a specified value by means of controlling the outdoor fan control as described in (1) and (2). (1) Current limit control (Cooling operation) Control is performed as shown below by detecting the compressor operating current with a current...
  • Page 34: Auto Restart Function

    FILE NO. SVM-05020 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 35: Filter Check Lamp

    FILE NO. SVM-05020 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 36: Self-Cleaning Function

    FILE NO. SVM-05020 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 air conditioner is turned off, the internal fan activates and dries the moisture in the coil for 20 minutes, then it turns off automatically.
  • Page 37: Quiet Mode

    FILE NO. SVM-05020 7-11. QUIET Mode 7-12-1. Cooling mode • The fan speed of indoor unit operates automatically, Quiet mode is the system which, control the it relates with the compressor's operation. revolving speed of indoor fan to work constantly at lower than speed L.
  • Page 38: Installation Procedure

    FILE NO. SVM-05020 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 39 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 40: Installation Diagram Of Indoor And Outdoor Units

    FILE NO. SVM-05020 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 41: Installation

    FILE NO. SVM-05020 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 42 FILE NO. SVM-05020 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 Sasa Zeolite Plus filter x 1...
  • Page 43 FILE NO. SVM-05020 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 44: Indoor Unit

    FILE NO. SVM-05020 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 45 Anchor bolt NOTE • Ensure all wiring is used within its electrical rating. Projection 15 mm or less 5 mm dia. hole RAS-13UKHP-ES4 RAS-10UKHP-ES4 Model RAS-13UKP-ES4 RAS-10UKP-ES4 7 Mounting RAS-07UKP-ES4 screw ∅4 x 25s s s s s Power source 50 Hz, 220 −...
  • Page 46 FILE NO. SVM-05020 <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 47 FILE NO. SVM-05020 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 48 FILE NO. SVM-05020 <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 49: Outdoor Unit

    FILE NO. SVM-05020 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 50 FILE NO. SVM-05020 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 51 FILE NO. SVM-05020 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 52: How To Set Remote Control Selector Switch

    FILE NO. SVM-05020 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 53: Others

    FILE NO. SVM-05020 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 54: Troubleshooting Chart

    FILE NO. SVM-05020 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 55: Primary Judgement

    FILE NO. SVM-05020 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 56: Self-Diagnosis By Remote Control (Check Code)

    FILE NO. SVM-05020 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 57 FILE NO. SVM-05020 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 58: Troubleshooting Flowcharts

    FILE NO. SVM-05020 9-5. Troubleshooting Flowcharts 9-5-1. Power can not be turned on (No operation at all) <Preliminary checks> Operation (1) Is the supply voltage normal? (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 59: Cooling Model

    FILE NO. SVM-05020 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 [ indicator of remote Remote control is...
  • Page 60 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-ES4 Brown Blue Green & Yellow Indoor Terminal Block RY01 CN31 PC Board...
  • Page 61 FILE NO. SVM-05020 RAS-13UKP-ES4, RAS-10UKP-ES4, RAS-07UKP-ES4 Black White Green / Yellow RY01 Indooe Terminal Block CN31 Brown Blue Green / Yellow PC Board 9-5-3. Outdoor unit does not operate Shut off the power supply from AC outlet once and turn it on after 5 seconds.
  • Page 62 FILE NO. SVM-05020 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 63: Only Outdoor Fan Does Not Operate

    FILE NO. SVM-05020 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 64 FILE NO. SVM-05020 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 65 FILE NO. SVM-05020 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 66 FILE NO. SVM-05020 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 67: Troubleshooting For Remote Control (Including The Indoor P.c. Board)

    FILE NO. SVM-05020 9-6. Troubleshooting for Remote Control (Including the Indoor P.C. Board) There is no been from the indoor unit. Push the [ ] 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 68 FILE NO. SVM-05020 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 69 FILE NO. SVM-05020 (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 70 FILE NO. SVM-05020 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 71 FILE NO. SVM-05020 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 [CHK] button with a tip of a pencil.
  • Page 72: Part Replacement

    FILE NO. SVM-05020 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 73 FILE NO. SVM-05020 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 74: Outdoor Unit

    FILE NO. SVM-05020 10-2. Outdoor Unit Part name Procedures Remarks Common 1) Stop the operation of air-conditioner, and 2-Screws Ø4 x 16L Cord clamp procedure disconnect the power cord from the AC Electric supply. parts cover 2) Remove packed valve cover and Electric parts cover.
  • Page 75 FILE NO. SVM-05020 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 76: Exploded Views And Parts List

    43T60077 Fuse, Temperature, 73°C 43T60001 Terminal Block, 2P 43T60002 Terminal Block, 3P 43T62003 Cord Clamp 43T69371 TC Sensor 43T69431 P.C. Board (RAS-10UKHP-ES4) 10kΩ 25°C 43T69432 P.C. Board (RAS-13UKHP-ES4) 43T69005 Sensor, Thermostat 10kΩ 25°C 43T69079 P.C. Board ASSY,WRS-LED MCC-861 − 75 −...
  • Page 77 FILE NO. SVM-05020 11. EXPLODED VIEWS AND PARTS LIST 11-2. Indoor Unit (E-Parts Assy) (For Cooling model) Location Part Location Part Description Description 43T60077 Fuse, Temperature, 73°C 43T60002 Terminal Block, 3P 43T69371 TC Sensor 43T62003 Cord Clamp 10kΩ 25°C 43T69365 P.C.
  • Page 78: Indoor Unit

    11-3. Indoor Unit FILE NO. SVM-05020 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 79: Outdoor Unit (Ras-13Uah-Es4)

    FILE NO. SVM-05020 11-4. Outdoor Unit (RAS-13UAH-ES4) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T03303 Fixing plate valve 43T03308 Back cabinet assembly 43T47011 Capillary Tube ∅1.5ID 43T03327 Base 43T41380 Compressor (PA150X2C-4FT) 43T47324 Bolt compressor(M6) 43T00395 Upper cabinet assembly 43T09318 Guard fan 43T49008 Cushion rubber 43T62311 Electrical part cover...
  • Page 80: Outdoor Unit (Ras-10Uah-Es4)

    FILE NO. SVM-05020 11-5. Outdoor Unit (RAS-10UAH-ES4) Location Part Location Part Description Description 43T00368 Front cabinet assem b ly 43T63303 Fixing plate valve 43T03306 Back cabinet assembly 43T47011 Capillary Tube ∅1.5ID 43T03329 Base 43T41379 Compressor (PA108X1C-4FZDN) 43T00396 Upper cabinet assembly 43T47325 Bolt compressor(M6) 43T09318 Guard fan 43T49315 Cushion rubber...
  • Page 81: Outdoor Unit (Ras-13Ua-Es4)

    FILE NO. SVM-05020 11-6. Outdoor Unit (RAS-13UA-ES4) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T47333 Bonnet 12.7 Dia 43T03308 Back cabinet assembly 43T63303 Finxing plate valve 43T03327 Base 43T47014 Capillary tube 1.7 Dia 43T09318 Guard Fan 43T41380 Compressor (PA150X2C-4FT) 43T62311 Electric part cover 43T47324 Bolt compressor (M6) 43T20307 Fan propeller...
  • Page 82: Outdoor Unit (Ras-10Ua-Es4)

    FILE NO. SVM-05020 11-7. Outdoor Unit (RAS-10UA-ES4) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T47332 Bonnet 9.52 Dia 43T03308 Back cabinet assembly 43T63303 Finxing plate valve 43T03329 Base coat assembly 43T47008 Capillary tube 1.5 Dia 43T09318 Guard Fan 43T41379 Compressor (PA108X1C-4FZDN) 43T62311 Electric part cover 43T47325 Bolt compressor (M6)
  • Page 83: Outdoor Unit (Ras-07Ua-Es4)

    FILE NO. SVM-05020 11-8. Outdoor Unit (RAS-07UA-ES4) 10, 11 08 , 09 : CAPILLARY TUBE Location Part Location Part Description Description 43T19313 Guard, Fan 43T47001 Nut, Flange 43T19312 Handle 43T20306 Fan, Propeller 43T49315 Cushion, Rubber 43T00398 Front Cabinet Coating Assembly 43T54302 RELAY;OVERLOAD 43T43335 Condenser Assembly 43T41378 Compressor , PA82X1C-4DZDN...
  • Page 84 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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