Related Manuals for Toshiba RAS-07SKSX-1
Summary of Contents for Toshiba RAS-07SKSX-1
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Page 1: Air Conditioner
FILE NO. SVM-08028 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-07SKSX-1 / RAS-07S2AX-1 RAS-09SKSX-1 / RAS-09SASX-1 April, 2008... -
Page 2: Table Of Contents
SPECIFICATION OF ELECTRICAL PARTS 4-1 Indoor Unit 4-2 Outdoor Unit (RAS-07S2AX-1) 4-3 Outdoor Unit (RAS-09SASX-1) REFRIGERATION CYCLE DIAGRAM 5-1 RAS-07SKSX-1 / RAS-07S2AX-1 5-2 RAS-09SKSX-1 / RAS-09SASX-1 CONTROL BLOCK DIAGRAM OPERATION DESCRIPTION 7-1 Outline of Air Conditioner Control 7-2 Description of Operation Circuit... - Page 3 FILE NO. SVM-08028 10. PARTS REPLACEMENT 10-1 Indoor Unit 10-2 Outdoor Unit (RAS-07S2SX-1) 10-3 Outdoor Unit (RAS-09SASX-1) 11. EXPLODED VIEWS AND PARTS LIST 11-1 Indoor Unit (E-Parts Assy) 11-2 Indoor Unit 11-3 Outdoor Unit (RAS-07S2SX-1) 11-4 Outdoor Unit (RAS-09SASX-1) − 2 −...
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Page 4: Specifications
FILE NO. SVM-08028 1. SPECIFICATIONS MODE L RA S-09SKSX-1 / RA S-09SASX-1 RA S-07SKSX-1 / RA S-07S2AX-1 Cooling IT E M 220V 240V 220V 240V Capacity 2.00 2.00 2.50 2.50 Phase Power source 220 - 240 Power consumption 0.62 0.66 0.84 0.88 Power factor... - Page 5 FILE NO. SVM-08028 Note : 1 • Capacity is based on the following temperature conditions. JIS C9612 Condition Temperature Cooling (DB) 27°C Indoor unit inlet air temperature (WB) 19°C (DB) 35°C Outdoor unit inlet air temperature (WB) 24°C Note : 2 *1 No need to charge extra refrigerant.
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Page 6: Construction Views
FILE NO. SVM-08028 2. CONSTRUCTION VIEWS 2-1. Indoor Unit Wireless remote control – 5 –... -
Page 7: Outdoor Unit (Ras-09Sasx-1)
FILE NO. SVM-08028 2-2. Outdoor Unit − 6 −... -
Page 8: Wiring Diagram
FILE NO. SVM-08028 3. WIRING DIAGRAM GRN&YEL SINGLE PHASE 1∅ 220-240V 50Hz CN31 Heat exchanger CN07 WP-018 DB01 Heat exchanger CN01 Sensor(TC) RY01 DC 12V Switching power supply Louver motor CN03 6.3 A Thermo sensor(TA) 250 VAC DC 5V Voltage regulator CN11 SG01 CN25... -
Page 9: Specification Of Electrical Parts
FILE NO. SVM-08028 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit Parts name Type Specifications Fan motor (for indoor) AFS-220-20-4AR AC Motor with 145 °C thermo fuse ° Thermo sensor (TA-sensor) 10k at 25 C Switching power supply (T01) ST-001 Microcontroller unit (IC30) TMP87CM40ANG-6P68 Heat exchanger sensor... -
Page 10: Outdoor Unit (Ras-09Sasx-1)
FILE NO. SVM-08028 4-3. Outdoor Unit (RAS-09SASX-1) Specifications Parts name Type Output (Rated) 780W, 2 poles, 1 phase, 220 - 240 V~, 50Hz Compressor QK164PBA Winding resistance (Ω) (at 20ºC) 3.51 3.67 Output (Rated) 20 W, 6 poles, 1 phase, 220 - 240 V~, 50Hz WLF-240-20A Winding resistance (Ω) Red-Black... -
Page 11: Refrigeration Cycle Diagram
FILE NO. SVM-08028 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-07SKSX-1 / RAS-07S2AX-1 Indoor unit Heat exchanger Cooling 0.49m 0.39m (Connecting pipe) (Connecting pipe) ∅6.35 ∅9.52 Cross flow fan O.D.:9.52mm O.D.:6.35mm Packed valve Packed valve (∅9.52) (∅6.35) Cooling Cooling Compressor PH108X1C-4DZDN2 Capillary tube ∅1.2x500s... -
Page 12: Ras-09Sksx-1 / Ras-09Sasx-1
FILE NO. SVM-08028 5-2. RAS-09SKSX-1 / RAS-09SASX-1 Indoor unit Heat exchanger Cooling 0.49m 0.39m (Connecting pipe) (Connecting pipe) ∅6.35 ∅9.52 Cross flow fan O.D.:9.52mm O.D.:6.35mm Packed valve Packed valve (∅9.52) (∅6.35) Cooling Cooling Compressor QK164PBA Capillary tube ∅1.5x700s Heat exchanger Refrigerant R22 : 0.58 kg. -
Page 13: Control Block Diagram
FILE NO. SVM-08028 6. CONTROL BLOCK DIAGRAM Main Unit Control Panel M.C.U. Operation Heat Exchange sensor Functions Display Thermo. Sensor • Louver Control Timer Display Infrared Rays Signal Reciver • 3-minutes Delay at Restart for Compressor Fan Only Sign Display Initiallizing Circuit •... -
Page 14: Operation Description
FILE NO. SVM-08028 7. OPERATION DESCRIPTION 7-1. Remote control 7-1-1. Function of Push Putton Infrared signal emitter Set louver button (FIX) Auto Louver button ( SWING MODE TEMP. AUTO AUTO Mode select button (MODE) COOL QUIET Reset button (RST) Hr.ON AUTO FAN On timer button (ON) TEMP. - Page 15 FILE NO. SVM-08028 7-1-2. Display of Remote Control All indications, except for the clock time indicator, are displayed by pressing the button. Transmission mark . Swing Indicate when louver is swing. This transmission mark indicates when the Press swing button to start the swing operation remote controller transmits signals to the indoor unit.
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Page 16: Outline Of Air Conditioner Control
Cool MODE UL SUL 1300 1300 1300 1300 1250 1150 1100 950 900 800 700 650 fan speed (rpm) RAS-07SKSX-1 540 540 470 440 300 270 220 150 Air flow (m 1350 1350 1350 1300 1250 1180 1140 1000 980... -
Page 17: Description Of Operation Mode
FILE NO. SVM-08028 7-3-2. Cooling operation 7-3. Description of Operation Mode ([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, outdoor fan and operation power supply is cut off.) display lamp are controlled as shown in... -
Page 18: Cooling Operation
FILE NO. SVM-08028 7-3-3. Dry operation (1) One of 2 operations (Cooling or Fan only) ([MODE] button on the remote control is set is selected according to difference between the to the dry operation.) preset temperature and the room temperature at which the automatic operation has started, as (1) The compressor, outdoor fan and operation shown in Fig. -
Page 19: Auto Restart Function
FILE NO. SVM-08028 7-5. Auto Restart Function This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down. The operation will resume without warning three minutes after power is restored. - Page 20 FILE NO. SVM-08028 7-5-2. How to Cancel the Auto Restart Function To cancel auto restart function, proceed as follows : Repeat the setting procedure : the unit receives the signal and beeps three times. The unit will be required to be turned on with the remote controller after the main power supply is turned off. •...
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Page 21: 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 22 FILE NO. SVM-08028 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.
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Page 23: Installation Diagram Of Indoor And Outdoor Units
FILE NO. SVM-08028 8-2. Installation Diagram of Indoor and Outdoor Units For the rear left and left piping Hook Wall Installation plate Insert the cushion between the indoor unit and wall, and tilt the indoor unit for better operation. Do not allow the drain hose to get slack. -
Page 24: Installation
FILE NO. SVM-08028 8-3. Installation 8-3-1. Optional installation parts Part Parts name Q'ty Code Refrigerant piping Liquid side : ∅6.35 mm each : ∅ 9.52 mm Gas side Pipe insulating material (polyethylene foam, 6 mm thick) Putty, PVC tapes each <Fixing bolt arrangement of outdoor unit>... - Page 25 FILE NO. SVM-08028 8-3-2. Accessory and installation parts Part Part Part Part name (Q'ty) Part name (Q'ty) Part name (Q'ty) Active Carbon-Catechin filter x 2 Installation plate x 1 Battery x 2 Mounting screw ∅ 4 x 25 x 6 Remote control holder x 1 Wireless remote control x 1 Name...
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Page 26: Indoor Unit
FILE NO. SVM-08028 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 27 FILE NO. SVM-08028 <When the installation plate is directly mounted on 8-4-3. Electrical work the wall> 1. The supply voltage must be the same as the rated 1. Securely fit the installation plate onto the wall by voltage of the air conditioner. screwing it in the upper and lower parts to hook up 2.
- Page 28 FILE NO. SVM-08028 <How to connect the connecting cable> Wiring of the connecting cable can be carried out without removing the front panel. Terminal block Cord clamp 1. Remove the air inlet grille. Terminal cover Open the air inlet grille upward and pull it toward Screw Connecting cable you.
- Page 29 FILE NO. SVM-08028 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 30 FILE NO. SVM-08028 <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.
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Page 31: Outdoor Unit
FILE NO. SVM-08028 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 32 FILE NO. SVM-08028 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) Fig.
- Page 33 FILE NO. SVM-08028 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.
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Page 34: How To Set Remote Control Selector Switch
FILE NO. SVM-08028 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 35: Others
FILE NO. SVM-08028 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 36: Troubleshooting Chart
FILE NO. SVM-08028 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 37: Primary Judgement
FILE NO. SVM-08028 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 38: Self-Diagnosis By Remote Control (Check Code)
FILE NO. SVM-08028 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 opera- tion condition and indicate the information of the self-diagnosis on the display of the remote control... - Page 39 FILE NO. SVM-08028 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 40 FILE NO. SVM-08028 9-5. Troubleshootig 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 Main cause Shut off the power supply from AC outlet once and Countermeasure turn it on after 5 seconds.
- Page 41 FILE NO. SVM-08028 9-5-2. Power can not be turned on after replacing indoor P.C. board <Checking Procedure> Connect the AC Power supply 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.
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Page 42: Outdoor Unit Does Not Operate
FILE NO. SVM-08028 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 the [START/STOP] button See "Power can not be turned on". - Page 43 FILE NO. SVM-08028 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 44 FILE NO. SVM-08028 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 45 FILE NO. SVM-08028 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...
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Page 46: Troubleshooting For Remote Control (Including The Indoor P.c. Board)
FILE NO. SVM-08028 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 47 FILE NO. SVM-08028 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 48 FILE NO. SVM-08028 (3) Checking procedure le 9-6-1 ocedure Check Point (Symptom) Causes Shut off the power supply and 1. Is the fuse blown? • Application of shoc oltage remove the P.C. board assembly • Ov load b y shor t-circuit of the from the electronic parts base.
- Page 49 FILE NO. SVM-08028 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.
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Page 50: Part Replacement
FILE NO. SVM-08028 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 51 FILE NO. SVM-08028 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.
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Page 52: Outdoor Unit (Ras-07S2Sx-1)
FILE NO. SVM-08028 10-2. Outdoor Unit Part name Procedures Remarks Common 1. Detachment Upper cabinet procedure 1) Stop operation of the air conditioner, and turn off the main switch and breaker of the Wiring cover air conditioner. 2) Remove the valve cover. (ST1T∅4 x 10s Valve cover 1 pc) •... - Page 53 FILE NO. SVM-08028 Part name Procedures Remarks Fan motor 1) Perform work of item 1 of 1 and 1 of 2. 2) Remove the flange nut fixing the fan motor Fan motor and the propeller fan. Propeller fan • Flange nut is loosened by turning clockwise.
- Page 54 FILE NO. SVM-08028 Part name Procedures Remarks Fan guard 1. Detachment 1) Perform work of item 1 of 1 and 1 of 2. Requirement: Perform the work on a corrugated cardboard, cloth, etc. to prevent scratches to the product. 2) Remove the front cabinet, and place it down so that the fan guard side faces downwards.
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Page 55: Exploded Views And Parts List
11-1. Indoor Unit (E-Parts Assy) Location Part Location Part Description Description 43T60378 TERMINAL 43T62003 CORD CLAMP 43T69371 SENSOR;HEAT EXCHANGER 43T69745 PC BOARD (RAS-07SKSX-1) 43T69005 SENSOR;THERMOSTAT 43T69746 PC BOARD (RAS-09SKSX-1) 43T69612 DISPLAY UNIT 43T60343 POWER CORD 43T69364 FUSE,TEMPERATURE − 54 −... -
Page 56: Indoor Unit
FILE NO. SVM-08028 11-2. Indoor Unit Location Part Location Part Description Description 43T00462 FRONT PANEL ASSY 43T49006 HOLDER FOR PLATE 43T09393 GRILLE OF AIR INLET 43T22312 BEARING ASSY, MOLD 43T03358 BACK BODY ASSY 43T39319 BASE BEARING 43T80315 AIR FILTER 43T20323 ASSY CROSS FLOW FAN 43T09392 HORIZONTAL LOUVER... - Page 57 FILE NO. SVM-08028 11-3. Outdoor Unit (RAS-07S2AX-1) 8,10 Location Part Location Part Description Description 43T42335 BASE PLATE ASSEMBLY 43T19335 FAN GUARD 43T41365 COMPRESSOR(Made in China) 43T04304 PARTITION 43T49327 CUSHION,RUBBER 43T39326 MOTOR BASE CONNECTION PLATE 43T97001 43T39325 MOTOR BASE 43T43407 CONDENSER ASSEMBLY 43T19337 PACKED VALVE COVER 43T00448...
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Page 58: Outdoor Unit (Ras-09Sasx-1)
FILE NO. SVM-08028 11-4. Outdoor Unit (RAS-09SASX-1) Location Part Location Part Description Description 43T42335 BASE PLATE ASSEMBLY 43T19335 FAN GUARD 43T41390 COMPRESSOR 43T04304 PARTITION 43T49327 CUSHION,RUBBER 43T39326 MOTOR BASE CONNECTION PLATE 43T97001 43T39325 MOTOR BASE 43T43406 CONDENSER ASSEMBLY 43T19337 PACKED VALVE COVER 43T00448 FIXING PLATE VALVE 43T00481... - Page 59 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 –...