Toshiba RAS-13UKHP-E3 Service Manual
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Toshiba RAS-13UKHP-E3 Service Manual

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SERVICE MANUAL

AIR CONDITIONER

RAS-13UKHP-E3 / RAS-13UAH-E3
RAS-10UKHP-E3 / RAS-10UAH-E3
RAS-07UKHP-E3 / RAS-07UAH-E3
RAS-13UKP-E3 / RAS-13UA-E3
RAS-10UKP-E3 / RAS-10UA-E3
RAS-07UKP-E3 / RAS-07UA-E3
RAS-13UKPX3 / RAS-13UAX3
RAS-10UKPX3 / RAS-10UAX3
RAS-07UKPX3 / RAS-07UAX3
RAS-12UKPX3 / RAS-12UAX3
FILE NO. SVM-04004-3
SPLIT WALL TYPE
Revised on Oct, 2005

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Summary of Contents for Toshiba RAS-13UKHP-E3

  • Page 1: Air Conditioner

    FILE NO. SVM-04004-3 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-13UKHP-E3 / RAS-13UAH-E3 RAS-10UKHP-E3 / RAS-10UAH-E3 RAS-07UKHP-E3 / RAS-07UAH-E3 RAS-13UKP-E3 / RAS-13UA-E3 RAS-10UKP-E3 / RAS-10UA-E3 RAS-07UKP-E3 / RAS-07UA-E3 RAS-13UKPX3 / RAS-13UAX3 RAS-10UKPX3 / RAS-10UAX3 RAS-07UKPX3 / RAS-07UAX3 RAS-12UKPX3 / RAS-12UAX3...

  • Page 2: Table Of Contents

    RAS-12UKPX3 / RAS-12UAX3 RAS-10UKP-E3 / RAS-10UA-E3, RAS-10UKPX3 / RAS-10UAX3 RAS-07UKP-E3 / RAS-07UA-E3, RAS-07UKPX3 / RAS-07UAX3 CONTROL BLOCK DIAGRAM RAS-13UKHP-E3 / RAS-13UAH-E3, RAS-10UKHP-E3 / RAS-10UAH-E3, RAS-07UKHP-E3 / RAS-07UAH-E3 RAS-13UKP-E3 / RAS-13UA-E3, RAS-10UKP-E3 / RAS-10UA-E3, RAS-07UKP-E3 / RAS-07UA-E3, RAS-13UKPX3 / RAS-13UAX3, RAS-07UKPX3 / RAS-07UAX3, RAS-12UKPX3 / RAS-12UAX3...
  • Page 3 FILE NO. SVM-04004-1 OPERATION DESCRIPTION Outline of Air Conditioner Control Description of Operation Circuit Hi POWER Mode High-Temperature Limit Control Low-Temperature Limit Control Defrost Operation Current Limit Control Auto Restart Function Filter Check Lamp 7-10 Self-Cleaning function INSTALLATION PROCEDURE Safety Cautions Installation Diagram of Indoor and Outdoor Units Installation Indoor Unit...

  • Page 4: Specifications

    FILE NO. SVM-04004 1. SPECIFICATIONS MODEL RAS-13UKHP-E3 / RAS-13UAH-E 3 RAS-13UKP-E3 / RAS-13UA-E3 ITEM Cooling Heating Cooling 220 V 240 V 220 V 240 V 220 V 240 V Capacity 3.55 3.60 4.40 4.45 3.70 3.75 Phase 1Æ Power source...
  • Page 5 FILE NO. SVM-04004 MODEL RAS-10UKHP-E3 / RAS-10UAH-E3 RAS-10UKP-E3 / RAS-10UA-E3 ITEM Cooling Heating Cooling 220 V 240 V 220 V 240 V 220 V 240 V Capacity 2.70 2.75 3.12 3.15 2.65 2.70 Phase 1Æ Power source 220 - 240 Power consumption 1.00 1.05...
  • Page 6 FILE NO. SVM-04004 RAS-07UKHP-E3 RAS-07UKP-E3 RAS-07UKPX3 MODEL RAS-07UAH-E3 RAS-07UA-E3 RAS-07UAX3 ITEM Cooling Heating Cooling Cooling 220V 240V 220V 240V 220V 240V 220V 240V Capacity 2.00 2.05 2.20 2.25 2.10 2.15 2.10 2.15 Phase 1∅ Power source 220 − 240 Power consumption 0.69 0.76 0.60...
  • Page 7 FILE NO. SVM-04004 RAS-13UKPX3 / RAS-13UAX3 RAS-12UKPX3 / RAS-12UAX3 RAS-10UKPX3 / RAS-10UAX3 MODEL ITEM Cooling 220 V 240 V 220 V 220 V 240 V 240 V Capacity 3.40 3.48 3.70 3.75 2.65 2.70 Phase 1Æ 220 - 240 Power source Power consumption 1.24 1.24...

  • Page 8: Indoor Unit

    7°C Outdoor unit inlet air temperature (WB) 24°C 6°C Note : 2 · Charge refrigerant according to the table below. RAS-13UKHP-E3 / RAS-13UAH-E3 RAS-10UKHP-E3 / RAS-10UAH-E3 Refrigerant RAS-13UKP-E3 / RAS-13UA-E3 RAS-10UKP-E3 / RAS-10UA-E3 Refrigerant RAS-13UKPX3 / RAS-13UAX3 RAS-10UKPX3 / RAS-10UAX3...
  • Page 9 FILE NO. SVM-04004 2. CONSTRUCTION VIEWS 2-1. Indoor Unit Front panel Air filter Air inlet Heat exchanger Back body Air outlet Knock out system Knock out system Hanger Connecting pipe (0.43 m) Drain hose (0.54 m) (Flare ∅6.35) Hanger Connecting pipe (0.33 m) (For 13 series ;...
  • Page 10 FILE NO. SVM-04004 2-2. Outdoor Unit (RAS-13UAH-E3 , RAS-10UAH-E3, RAS-13UA-E3, RAS-10UA-E3, RAS-13UAX3, RAS-10UAX3, RAS-12UAX3) 32.5 A Detail Drawing (Back Leg) B Detail Drawing (Front Leg) ∅6 Hole ∅6 Hole ∅11 x 14 Hole R5.5 ∅30 Drain outlet 2-∅11 x 14 Hole (For ∅8-∅10 anchor bolt) ∅436 FAN GUARD...
  • Page 11 FILE NO. SVM-04004 2-3. Outdoor Unit (RAS-07UAH-E3, RAS-07UA-E3, RAS-07UAX3) A Detail Drawing (Back Leg) B Detail Drawing (Front 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)
  • Page 12 FILE NO. SVM-04004 3. WIRING DIAGRAM 3-1. RAS-13UKHP-E3 / RAS-13UAH-E3 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...
  • Page 13 FILE NO. SVM-04004 3-2. RAS-10UKHP-E3 / RAS-10UAH-E3 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 4 5 6 7 8 9 10 11 4 5 6 7 8 9 10 11 CN04 CN07...
  • Page 14 FILE NO. SVM-04004 3-3. RAS-07UKHP-E3 / RAS-07UAH-E3 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 15 FILE NO. SVM-04004 3-4. RAS-13UKP-E3 / RAS-13UA-E3 RAS-13UKPX3 / RAS-13UAX3 RAS-12UKPX3 / RAS-12UAX3 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)
  • Page 16 FILE NO. SVM-04004 3.5 RAS-10UKP-E3 / RAS-10UA-E3 RAS-10UKPX3 / RAS-10UAX3 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...
  • Page 17 FILE NO. SVM-04004 3.6 RAS-07UKP-E3 / RAS-07UA-E3 RAS-07UKPX3 / RAS-07UAX3 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...

  • Page 18: Specification Of Electrical Parts

    FILE NO. SVM-04004 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit (RAS-13UKHP-E3, RAS-10UKHP-E3, RAS-07UKHP-E3) Parts name Type Specifications ° Fan motor (for indoor) SKF-220-20-4A-1 AC Motor with 150 C thermo fuse ° Thermo sensor (TA-sensor) 10k at 25 C Switching transformer (T01)

  • Page 19: Outdoor Unit (Ras-10Uah-E3)

    FILE NO. SVM-04004 4-3. Outdoor Unit (RAS-10UAH-E3) Parts name Type Specifications Output (Rated) 750 W, 2 poles, 1 phase, 220 - 240 V, 50Hz Compressor PH120T1-4C Winding resistance ( ) ° (at 20 C) 4.53 8.73 Output (Rated) 20 W, 6 poles, 1 phase, 220 - 240 V, 50Hz HF-240-20B or Fan motor (for outdoor) Winding resistance ( )

  • Page 20: Indoor Unit (Ras-13Ukp-E3, Ras-10Ukp-E3, Ras-07Ukp-E3, Ras-13Ukpx3)

    FILE NO. SVM-04004 4-5. Indoor Unit (RAS-13UKP-E3, RAS-10UKP-E3, RAS-07UKP-E3, RAS-13UKPX3, RAS-10UKPX3, RAS-12UKPX3, RAS-07UKPX3) Parts name Type Specifications ° Fan motor (for indoor) SKF- 220-20-4A-1 AC Motor with 150 C thermo fuse ° Thermo sensor (TA-sensor) 10k at 25 C Switching transformer TT-10 Microcontroller unit (IC30) TMP87CM40AN...

  • Page 21: Outdoor Unit (Ras-13Uax3, Ras-12Uax3)

    FILE NO. SVM-04004 4-7. Outdoor Unit (RAS-13UAX3, RAS-12UAX3) Parts name Type Specifications Output (Rated) 1100 W, 2 poles, 1 phase, 220 - 240 V, 50Hz PH225X2C-4FT Compressor Winding resistance (W) (at 20°C) 2.35 3.22 Output (Rated) 30 W, 6 poles, 1 phase, 220 - 240 V, 50Hz Fan motor (for outdoor) HF-240-30B Winding resistance (W)

  • Page 22: Outdoor Unit (Ras-07Uax3)

    FILE NO. SVM-04004 4-9. Outdoor Unit (RAS-07UAX3) Parts name Type Specifications Output (Rated) 560W, 2poles, 1 phase, 220 − 240V, 50Hz Compressor PH80T1-4C Winding resistance (Ω) (at 20°C) 4.80 8.37 Output (Rated) 20W, 6poles, 1 phase, 220 − 240V, 50Hz HF-240-20B or Fan motor (for outdoor) Winding resistance (Ω)

  • Page 23: Refrigeration Cycle Diagram

    FILE NO. SVM-04004 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-13UKHP-E3 / RAS-13UAH-E3 Indoor unit Evaporator Cooling 0.39 m 0.49 m Heating (Connecting pipe) (Connecting pipe) Æ12.7 Æ6.35 Cross flow fan O.D.:12.7 mm O.D.:6.35 mm Packed valve Packed valve (Æ12.7) (Æ6.35) Heating...

  • Page 24: Ras-10Ukhp-E3 / Ras-10Uah-E3

    FILE NO. SVM-04004 5-2. RAS-10UKHP-E3 / RAS-10UAH-E3 Indoor unit Evaporator Cooling 0.39 m 0.49 m Heating (Connecting pipe) (Connecting pipe) Æ9.52 Æ6.35 Cross flow fan O.D.:9.52 mm O.D.:6.35 mm Packed valve Packed valve (Æ9.52) (Æ6.35) Heating Cooling 4-way valve Heating Cooling Compressor PH120T1-4C Capillary tube Æ1.5 x 900l...

  • Page 25: Ras-07Ukhp-E3 / Ras-07Uah-E3

    FILE NO. SVM-04004 5-3. RAS-07UKHP-E3 / RAS-07UAH-E3 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 (∅6.35) (∅9.52) Heating Cooling 4-way valve Heating Cooling Compressor PH80T1-4C Capillary tube ∅1.0x800S (2 pcs.) Accumulator...

  • Page 26: Ras-12Ukpx3 / Ras-12Uax3

    FILE NO. SVM-04004 5-4. RAS-13UKP-E3 / RAS-13UA-E3 RAS-13UKPX3 / RAS-13UAX3 RAS-12UKPX3 / RAS-12UAX3 Indoor unit Heat exchanger Cooling 0.49 m 0.39 m (Connecting pipe) (Connecting pipe) Æ6.35 Æ12.7 Cross flow fan O.D.:12.7 mm O.D.:6.35 mm Packed valve Packed valve (Æ12.7) (Æ6.35) Cooling Cooling Compressor...

  • Page 27: Ras-10Ukp-E3 / Ras-10Ua-E3, Ras-10Ukpx3 / Ras-10Uax3

    FILE NO. SVM-04004 5-5. RAS-10UKP-E3 / RAS-10UA-E3 RAS-10UKPX3 / RAS-10UAX3 Indoor unit Evaporator Cooling 0.39 m 0.49 m (Connecting pipe) (Connecting pipe) Æ9.52 Æ6.35 Cross flow fan O.D.:9.52 mm O.D.:6.35 mm Packed valve Packed valve (Æ9.52) (Æ6.35) Cooling Cooling Compressor PH102T1-4CH Capillary tube Æ1.5 x 1000l...

  • Page 28: Ras-07Ukp-E3 / Ras-07Ua-E3, Ras-07Ukpx3 / Ras-07Uax3

    FILE NO. SVM-4004 5-6. RAS-07UKP-E3 / RAS-07UA-E3 RAS-07UKPX3 / RAS-07UAX3 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 PH80T1-4C Capillary tube ∅1.5x1200S Condenser Refrigerant R-22 : 0.57 kg.

  • Page 29: Control Block Diagram

    FILE NO. SVM-04004 6. CONTROL BLOCK DIAGRAM 6-1. RAS-13UKHP-E3 / RAS-13UAH-E3, RAS-10UKHP-E3 / RAS-10UAH-E3, RAS-07UKHP-E3 / RAS-07UAH-E3 M.C.U. Main Unit Control Panel Operation Heat Exchange sensor Functions Display Timer Thermo. Sensor • Louver Control Display Filter Sign Current Sensor • 3-minutes Delay at Restart...

  • Page 30: Ras-13Ukp-E3 / Ras-13Ua-E3, Ras-10Ukp-E3 / Ras-10Ua-E3

    FILE NO. SVM-04004 6-2. RAS-13UKP-E3 / RAS-13UA-E3, RAS-10UKP-E3 / RAS-10UA-E3, RAS-07UKP-E3 / RAS-07UA-E3 RAS-13UKPX3 / RAS-13UAX3, RAS-10UKPX3 / RAS-10UAX3, RAS-07UKPX3 / RAS-07UAX3 RAS-12UKPX3 / RAS-12UAX3 Main Unit Control Panel M.C.U. Operation Heat Exchange sensor Functions Display Timer Display Thermo. Sensor •...

  • Page 31: 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-07UKHP-E3 RAS-13UKHP-E3 RAS-10UKHP-E3 Model Air flo Motor speed Air flo Motor speed Air flo Motor speed...

  • Page 32: Description Of Operation Circuit

    FILE NO. SVM-04004 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 33 FILE NO. SVM-04004 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 34: Cooling Operation

    Fig. 7-2-8 and Table 7-2-1. speed Starting period Stabilized period · · RAS-13UKHP-E3 From 12 to 25 minutes AUTO Up until 12 minutes passed after starting passed after starting the unit the unit and room °C...

  • Page 35: Hi Power Mode

    Fig. 7-5-1 and 7-5-2. air conditioner operates at maximum airflow level. If the difference between the preset RAS-13UKHP-E3 temperature and the room temperature is small, RAS-13UKP-E3 the air conditioner operates at normal airflow RAS-13UKPX3 level.
  • Page 36 FILE NO. SVM-04004 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 37 (2). (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-E3 / RAS-10UKHP-E3, RAS-07UKHP-E3 Input current Compressor Outdoor fan More than I4 continues for 3 seconds 13.5A/ 19.2A I4...

  • Page 38: Auto Restart Function

    FILE NO. SVM-04004 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 39: Filter Check Lamp

    FILE NO. SVM-04004 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 40: Self-Cleaning Function

    FILE NO. SVM-04004-1 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 41: Installation Procedure

    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 42 FILE NO. SVM-04004 REQUIREMENT OF REPORT TO THE LOCAL POWER SUPPLIER Please make absolutely sure that the installation of this appliance is reported to the local power supplier before installation. If you experience any problems, or if the installation is not accepted by the supplier, the service agency will take adequate countermeasures.

  • Page 43: Installation Diagram Of Indoor And Outdoor Units

    FILE NO. SVM-04004 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 44: Installation

    FILE NO. SVM-04004 8-3. Installation 8-3-1. Optional installation parts Part Parts name Q'ty Code Refrigerant piping Æ Liquid side : 6.35 mm Æ Gas side 9.52 mm (07,10 series) each Æ Gas side 12.70 mm (13 series) Pipe insulating material (polyethylene foam, 6 mm thick) Putty, PVC tapes each...
  • Page 45 FILE NO. SVM-04004 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 46: Indoor Unit

    FILE NO. SVM-04004 8-4. Indoor Unit 8-4-2. Cutting a hole and mounting installation 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 47 Anchor bolt NOTE • Ensure all wiring is used within its electrical rating. Projection 15 mm or less 5 mm dia. hole RAS-13UKHP-E3 RAS-10UKHP-E3 RAS-13UKP-E3 RAS-07UKHP-E3 Model RAS-13UKPX3 RAS-10UKP-E3 7 Mounting RAS-12UKPX3...
  • Page 48 FILE NO. SVM-04004 <How to connect the connecting cable> For RAS-13/10/07UKP Wiring of the connecting cable can be carried out Cord clamp Terminal Terminal block without removing the front panel. cover Screw 1. Remove the air inlet grille. Connecting Open the air inlet grille upward and pull it toward cable you.
  • Page 49 FILE NO. SVM-04004 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 50 FILE NO. SVM-04004 <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 51: Outdoor Unit

    FILE NO. SVM-04004 8-4-6. Drainage 8-5. Outdoor Unit 8-5-1. Installation place 1. Run the drain hose sloped downwards. • 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 52 FILE NO. SVM-04004 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 53 FILE NO. SVM-04004 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 54: How To Set Remote Control Selector Switch

    FILE NO. SVM-04004 8-6. How to Set Remote Control Selector 8-5-4. Wiring connection 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 55: Others

    FILE NO. SVM-04004 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 56: Troubleshooting Chart

    FILE NO. SVM-04004 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 Chec k Items . The indoor unit is connected to the outdoor unit with If there is no trouble 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 57: Primary Judgement

    FILE NO. SVM-04004 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 58: Self-Diagnosis By Remote Control (Check Code)

    FILE NO. SVM-04004 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 59 FILE NO. SVM-04004 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 60: Troubleshooting Flowcharts

    FILE NO. SVM-04004 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 61 FILE NO. SVM-04004 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 62 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-E3 RAS-10UKHP-E3, RAS-07UKHP-E3 − 60 −...

  • Page 63: Outdoor Unit Does Not Operate

    FILE NO. SVM-04004 RAS-13UKP-E3, RAS-10UKP-E3, RAS-07UKP-E3, RAS-13UKPX3, RAS-12UKPX3, RAS-10UKPX3, RAS-07UKPX3 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 64 FILE NO. SVM-04004 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 65: Only Outdoor Fan Does Not Operate

    FILE NO. SVM-04004 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 66 FILE NO. SVM-04004 9-5-6. Only 4-Way valve does not operate (During heating operation) 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 67 FILE NO. SVM-04004 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 68 FILE NO. SVM-04004 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 69: Troubleshooting For Remote Control

    FILE NO. SVM-04004 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 70 FILE NO. SVM-04004 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 71 FILE NO. SVM-04004 (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 72 FILE NO. SVM-04004 Cooling 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 73 FILE NO. SVM-04004 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 74: Part Replacement

    FILE NO. SVM-04004 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 75 FILE NO. SVM-04004 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 76: Outdoor Unit

    FILE NO. SVM-04004 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 77 FILE NO. SVM-04004 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 78: Exploded Views And Parts List

    43T69364 Fuse, Temperature, 73°C 43T60002 Terminal Block, 3P 43T62003 Cord Clamp 43T69004 TC Sensor 43T69384 P.C. Board (RAS-10UKHP-E3) 10kΩ 25°C 43T69385 P.C. Board (RAS-13UKHP-E3) 43T69005 Sensor, Thermostat 10kΩ 25°C 43T69383 P.C. Board (RAS-07UKHP-E3) 43T69079 P.C. Board ASSY, WRS-LED MCC-861 - 76 -...
  • Page 79 FILE NO. SVM-04004 11. EXPLODED VIEWS AND PARTS LIST Indoor Unit (E-Parts Assy) (For Cooling model) Location Part Location Part Description Description 43T60002 Terminal Block, 3P 43T62003 Cord Clamp 43T69004 TC Sensor 43T69366 P.C. Board (RAS-10UKP-E3/UKPX3) 10kΩ 25°C 43T69367 P.C. Board (RAS-13UKP-E3/UKPX3) 43T69005 Sensor, Thermostat 10kΩ...

  • Page 80: Indoor Unit

    FILE NO. SVM-04004-1 11-2. Indoor Unit Location Part Location Part Description Description 43T00391 Front Panel Assy 43T79302 Guide Drain 43T09326 Inlet Grille Assy 43T22002 Bearing 43T03302 Back Body Assy 43T39301 Base, Bearing (RAS-07,10,13UKHP-E3 43T20302 Cross Flow Fan RAS-07,10,13UKP-E3) 43T39302 Band Motor-L 43T03304 Back Body Assy 43T21338...

  • Page 81: Outdoor Unit (Ras-13Uah-E3)

    FILE NO. SVM-04004-2 11-3. Outdoor Unit (RAS-13UAH-E3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T47011 Capillary Tube ∅1.5ID 43T41764 43T03306 Back cabinet assembly Compressor (PH170T2-4L2) 43T47324 Bolt compressor(M6) 43T03328 Base 43T00396 Upper cabinet assembly 43T49008 Cushion rubber 43T52310 Packed valve cover assembly 43T09318 Guard fan 43T55304 Capacitor Plastic film (3 5 µ...

  • Page 82: Outdoor Unit (Ras-10Uah-E3)

    FILE NO. SVM-04004-2 11-4. Outdoor Unit (RAS-10UAH-E3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T47011 Capillary Tube ∅1.5ID 43T41400 43T03308 Back cabinet assembly Compressor (P H120T1-4C) 43T47325 Bolt compressor(M6) 43T03329 Base 43T00395 Upper cabinet assembly 43T49001 Cushion rubber 43T52310 Packed valve cover assembly 43T09318 Guard fan 43T55305 Capacitor Plastic film (25 µ...

  • Page 83: Outdoor Unit (Ras-13Ua-E3)

    FILE NO. SVM-04004-2 11-5. Outdoor Unit (RAS-13UA-E3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T47333 Bonnet 12.7 Dia 43T03306 Back cabinet assembly 43T63303 Finxing plate valve 43T03327 Base 43T47014 Capillary tube 1.7 Dia 43T09318 Guard Fan 43T41348 Compressor (PH225X2C-4FT) 43T62311 Electric part cover 43T47324 Bolt compressor (M6) 43T20307 Fan propeller...

  • Page 84: Outdoor Unit (Ras-10Ua-E3)

    FILE NO. SVM-04004-2 11-6. Outdoor Unit (RAS-10UA-E3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T63303 Finxing plate valve 43T03308 Back cabinet assembly 43T47011 Capillary tube 1.5 Dia 43T03329 Base 43T41339 Compressor (PH102T1-4CH) 43T09318 Guard Fan 43T47325 Bolt compressor (M6) 43T62311 Electric part cover 43T49001 Cushion rubber 43T20307 Fan propeller...

  • Page 85: Outdoor Unit (Ras-13Uax3, Ras-12Uax3)

    FILE NO. SVM-04004-2 11-7. Outdoor Unit (RAS-13UAX3, RAS-12UAX3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T47333 Bonnet 12.7 Dia 43T03306 Back cabinet assembly 43T63303 Finxing plate valve 43T03327 Base 43T47014 Capillary tube 1.7 Dia 43T09318 Guard Fan 43T41348 Compressor (PH225X2C-4FT) 43T62311 Electric part cover 43T47324 Bolt compressor (M6)

  • Page 86: Outdoor Unit (Ras-10Uax3)

    FILE NO. SVM-04004-2 11-8. Outdoor Unit (RAS-10UAX3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T63303 Finxing plate valve 43T03308 Back cabinet assembly 43T47011 Capillary tube 1.5 Dia 43T03329 Base 43T41339 Compressor (PH102T1-4CH) 43T09318 Guard Fan 43T47325 Bolt compressor (M6) 43T62311 Electric part cover 43T49001 Cushion rubber 43T20307 Fan propeller...

  • Page 87: Outdoor Unit (Ras-07Uax3, Ras-07Ua-E3)

    FILE NO. SVM-04004-3 11-9. Outdoor Unit (RAS-07UAX3, RAS-07UA-E3) 10, 11 08 , 09 : CAPILLARY TUBE Location Part Location Part Description Description 43T19313 Guard, Fan 43T19312 Handle 43T20306 Fan, Propeller 43T49001 Cushion, Rubber 43T00398 Front Cabinet Coating Assembly 43T63001 Holder Ol-Relay 43T43340 Condenser Assembly 43T54302 Relay Overload...

  • Page 88: Outdoor Unit (Ras-07Uah-E3)

    FILE NO. SVM-04004-3 11-10. Outdoor Unit (RAS-07UAH-E3) 10, 11 08 , 09 : CAPILLARY TUBE Location Part Location Part Description Description 43T19313 Guard, Fan 43T49001 Cushion, Rubber 43T20306 Fan, Propeller 43T63001 Holder Ol-Relay 43T00398 Front Cabinet Coating Assembly 43T54302 Relay Overload 43T41304 Compressor (PH80T1-4C) 43T43350 Condenser Assembly 43T62309 Terminal Cover...
  • Page 89 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. – 75 –...

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