Related Manuals for Toshiba RAS-18SKHP-ES
Summary of Contents for Toshiba RAS-18SKHP-ES
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Page 1: Service Manual
FILE NO. SVM-09036 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-18SKHP-ES / RAS-18S2AH-ES RAS-24SKHP-ES / RAS-24S2AH-ES RAS-18SKP-ES / RAS-18SA-ES RAS-24SKP-ES / RAS-24SA-ES February, 2009... -
Page 2: Table Of Contents
RAS-18SKHP-ES / RAS-18S2AH-ES RAS-24SKHP-ES / RAS-24S2AH-ES SPECIFICATION OF ELECTRICAL PARTS Indoor Unit (RAS-18SKP-ES, RAS-24SKP-ES) Outdoor Unit (RAS-18SA-ES) Outdoor Unit (RAS-24SA-ES) Indoor Unit (RAS-18SKHP-ES, RASP-24SKHP-ES) Outdoor Unit (RAS-18S2AH-ES) Outdoor Unit (RAS-24S2AH-ES) REFRIGERATION CYCLE DIAGRAM RAS-18SKP-ES / RAS-18SA-ES RAS-24SKP-ES / RAS-24SA-ES RAS-18SKHP-ES / RAS-18S2AH-ES... - Page 3 FILE NO. SVM-09036 OPERATION DESCRIPTION Remote control Outline of Air Conditioner Control Description of Operation Circuit Description of Safety and Reliability Prevention Function One-Touch Operation Hi POWER Operation QUIET Operation ECO Operation COMFORT SLEEP Operation 7-10 FILTER Check lamp 7-11 Auto Restart Function 7-12 Self-Cleaning Operation INSTALLATION PROCEDURE Safety Cautions...
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Page 4: Specifications
FILE NO. SVM-09036 1. SPECIFICATIONS MODEL RAS-18SKP-ES RAS-24SKP-ES RAS-18SA-ES RAS-24SA-ES ITEM Cooling Cooling 220V 240V 220V 240V Capacity 5.30 5.35 6.80 6.85 Phase 1∅ Power source 220 - 240 Power consumption 1640 1680 2410 2450 Power factor Running 0.3/7.30 0.3/6.90 0.50/14.70 0.50/12.90 Current... - Page 5 FILE NO. SVM-09036 MODEL RAS-18SKHP-ES RAS-24SKHP-ES RAS-18S2AH-ES RAS-24S2AH-ES ITEM Cooling Heating Cooling Heating 220V 240V 220V 240V 220V 240V 220V 240V Capacity 5.10 5.12 5.45 5.56 6.30 6.35 6.80 6.90 Phase 1∅ Power source 220 - 240 Power consumption 1540...
- Page 6 6°C Note : 2 • Charge refrigerant according to the table below. RAS-18SKP-ES / RAS-18SA-ES RAS-24SKP-ES / RAS-24SA-ES Refrigerant RAS-18SKHP-ES / RAS-18S2AH-ES RAS-24SKHP-ES / RAS-24S2AH-ES No need to charge 15 m or less 15 m or less extra refrigerant Need to charge...
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Page 7: Construction Views
FILE NO. SVM-09036 2. CONSTRUCTION VIEWS 2-1. Indoor Unit Heat exchanger Grille Inlet Air inlet Air filter 1050 Front Panel Air outlet Knock out system Knock out system Wireless remote controller Drain hose (0.5m) Hanger Hanger Remote controller holder Connecting pipe (0.49m) Connecting pipe (0.39m) (Flare 6.35) -
Page 8: Outdoor Unit
FILE NO. SVM-09036 2-2. Outdoor Unit Ø6 hole Ø6 Hole Ø11x14 Hole A Detail Drawing (Back leg) 2 Ø 11x14 Hole B Detail Drawing (Front leg) Ø 25 Drain outlet (For Ø 8-Ø 10 anchor bolt) HANDLE FAN-GUARD HANDLE Ø 436 COVER-PV Electrical part cover Liquid side... -
Page 9: Wiring Diagram
FILE NO. SVM-09036 3. WIRING DIAGRAM 3-1. RAS-18SKP-ES / RAS-18SA-ES, RAS-24SKP-ES / RAS-24SA-ES OUTDOOR POWER SUPPLY UNIT 220 − 240 V ~ 50 Hz OUTDOOR TERMINAL BLOCK CHASSIS SPARK KILLER CAPACITOR FAN MOTOR CAPACITOR COMPRESSOR MAGNETIC CONTACTOR – 8 –... -
Page 10: Ras-18Skhp-Es / Ras-18S2Ah-Es Ras-24Skhp-Es / Ras-24S2Ah-Es
FILE NO. SVM-09036 3-2. RAS-18SKHP-ES / RAS-18S2AH-ES, RAS-24SKHP-ES / RAS-24S2AH-ES MAIN P.C. B OARD (MCC-890) T R A N S F O R M E R POWER SUPPLY DISCHARGE CN06 220- 240 V ~ 50 Hz PIPE SENSOR (TD) GRN&YEL... -
Page 11: Specification Of Electrical Parts
FILE NO. SVM-09036 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit (RAS-18SKP-ES, RAS-24SKP-ES) ts name Specifications Fan motor (for indoor) ICF-340-30-2B DC 340V, 30W Thermo sensor (TA-sensor) ——— 10 kΩ at 25°C Switching Transformer (T01) SWT-77 DC7V, 12 V Microcontroller TMP87CM40ANG-6P68 Heat exchanger sensor ———... -
Page 12: Outdoor Unit (Ras-24Sa-Es)
(for fan motor) Running capacitor B 32332I5606J063 AC 450V, 60µ F (for compressor) 220 − 240V, 50Hz Magnetic contactor CLK-35J 4-4. Indoor Unit (RAS-18SKHP-ES, RAS-24SKHP-ES) Parts name Type Specifications Fan motor (for indoor) ICF-340-30-2B DC 340V, 30W Thermo sensor (TA-sensor) ———... -
Page 13: Outdoor Unit (Ras-18S2Ah-Es)
FILE NO. SVM-08037 4-5. Outdoor Unit (RAS-18S2AH-ES) Parts name Type Specifications Output (Rated) 1500W, 2poles, 1 phase, 220 − 240V, 50Hz Compressor PA200X2CS-4KU1 Winding resistance (Ω) Red-Black White-Black (at 20°C) 1.85 2.62 Output (Rated) 42W, 4poles, 1 phase, 220 – 240V, 50Hz Fan motor (for outdoor) Winding resistance (Ω) Red-Black... -
Page 14: Refrigeration Cycle Diagram
FILE NO. SVM-09036 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-18SKP-ES / RAS-18SA-ES Heat exchanger 0.39 m 0.49 m (Connecting pipe) (Connecting pipe) ∅12.7 ∅6.35 Cross flow fan O.D.:12.7 mm O.D.:6.35 mm Packed valve Packed valve (∅12.7) (∅6.35) Capillary tube ∅2.0x1100 s PA200X2CS-4KU1 Compressor Heat exchanger... -
Page 15: Ras-24Skp-Es / Ras-24Sa-Es
FILE NO. SVM-09036 5-2. RAS-24SKP-ES / RAS-24SA-ES Indoor unit Heat exchanger Cooling 0.39 m 0.49 m (Connecting pipe) (Connecting pipe) ∅12.7 ∅6 .35 Cross flow fan O.D.:12.7 mm O.D.:6.35 mm Packed valve Packed valve (∅12.7 ) (∅ 6.35) Gas container connection (Reinstall etc.) Cooling Capillary tube ∅2.0x1000 s... -
Page 16: Ras-18Skhp-Es / Ras-18S2Ah-Es
FILE NO. SVM-09036 5-3. RAS-18SKHP-ES / RAS-18S2AH-ES Indoor unit Heat exchanger 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 Cooling 4-way valve Capillary tube Æ2.0 x 1000... -
Page 17: Ras-24Skhp-Es / Ras-24S2Ah-Es
FILE NO. SVM-09036 5-4. RAS-24SKHP-ES / RAS-24S2AH-ES Indoor unit Heat exchanger 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 Cooling 4-way valve Capillary tube Æ2.0 x 900 Heating Cooling... -
Page 18: Control Block Diagram
FILE NO. SVM-09036 6. CONTROL BLOCK DIAGRAM 6.1 RAS-18SKP-ES / RAS-18S2A-ES, RAS-24SKP-ES / RAS-24S2A-ES Indoor Unit Control Panel M.C.U. Operation Functions Heat Exchanger Sensor Display • Louver Control Timer • 3-minute Delay at Restart for Compressor Temperature Sensor Display Filter Sign •... -
Page 19: Ras-18Skhp-Es / Ras-18S2Ah-Es Ras-24Skhp-Es / Ras-24S2Ah-Es
FILE NO. SVM-09036 6.2 RAS-18SKHP-ES / RAS-18S2AH-ES, RAS-24SKHP-ES / RAS-24S2AH-ES Indoor Unit Control Panel M.C.U. Functions Operation Heat Exchanger Sensor Display • Louver Control Timer Temperature Sensor • 3-minute Delay at Restart for Compressor Display Filter Sign Infrared Rays Signal Receiver •... -
Page 20: Operation Description
FILE NO. SVM-0936 7. OPERATION DESCRIPTION 7-1. Remote control 7-1-1. Function of Push Putton 1 1 1 1 Infrared signal emitter Start/Stop button Mode select button (MODE) Temperature button (TEMP) Fan speed button (FAN) PRESET Swing louver button (SWING) TEMP Set louver button (FIX) ONE-TOUCH MODE... - Page 21 FILE NO. SVM-09036 7-1-2. Display of Remote Control All indications, except for the clock time indicator, are displayed by pressing the button. Transmission mark . TIMER and clock time indicator This transmission mark indicates when the The time setting for timer operation or the clock remote controller transmits signals to the indoor time is indicated.
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Page 22: Outline Of Air Conditioner Control
1125 1050 1000 RAS-24SKP-ES 1100 Air flow volume (m 1025 FAN TAP Cooling Fan only OPERATION MODE Heat 1100 1000 1000 RAS-18SKHP-ES 1000 Air flow volume (m 1200 1050 1050 1050 RAS-24SKHP-ES 1100 Air flow volume (m - 21 -... -
Page 23: Description Of Operation Mode
FILE NO. SVM-09036 7-3. Description of Operation Mode 7-3-2. 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 power supply is cut off.) (1) The compressor, 4-way valve, (Heat pump model only) outdoor fan and operation display lamp are... - Page 24 FILE NO. SVM-09036 7-3-3. Dry operation 7-3-4. 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, (Heat pump model (1) The compressor, 4-way valve, outdoor fan and only) outdoor fan and operation display lamp are operation display lamp are controlled as shown in...
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Page 25: Cooling Operation
FILE NO. SVM-09036 (3) The indoor heat exchanger restricts revolving 7-3-5. Automatic operation speed of the fan motor to prevent a cold draft. The ([MODE] button on the remote control is set upper limit of the revolving speed is shown in to the automatic operation.) Fig. -
Page 26: Description Of Safety And Reliability Prevention Function
FILE NO. SVM-09036 7-4. Drescription of Safety and Reliability Prevention Function 7-4-1. Low-Temperature Limit Control 7-4-3. Defrost Operation *Heat pump model only The microcontroller detects the indoor heat exchanger When the indoor unit is in heating operation, if the temperature to prevent the indoor heat exchanger from refrigerant evaporation temperature detected by the freezing. -
Page 27: One-Touch Operation
FILE NO. SVM-09036 7-5. One-Touch Operation One touch comfort is the fully automated operation that is set according to the preferable condition in a region. Operation *AUTO/L AUTO Time after operation starts (min) *AUTO/L : Fan operates depends on the setting temperature and room temperature. During the One Touch Comfort mode if the indoor unit receives any signal with other operation mode, the unit will cancel the comfort mode and operates according to the signal received. -
Page 28: Hi Power Operation
FILE NO. SVM-09036 7-6. Hi POWER Operation 7-7. QUIET Operation ([Hi POWER] button on the remote When the [QUIET] button is pressed, the fan of the control is pressed.) indoor unit will be restricted the revolving speed at speed L− until the [QUIET] button is pressed once When [Hi POWER] button is pressed while the indoor again (cancel Quiet mode). -
Page 29: Filter Check Lamp
FILE NO. SVM-09036 7-10. FILTER Check lamp Heating mode *Heat pump model only · The preset temperature will drop down 1ºC after the When the elapsed time reaches 1000 hours after air comfort sleep mode has operated for 1 hour and purifier operation, the FILTER indicator lights. -
Page 30: Auto Restart Function
FILE NO. SVM-09036 7-11. 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 31 FILE NO. SVM-09036 7-11-2. 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 32: Self-Cleaning Operation
FILE NO. SVM-09036 7-12. Self-Cleaning Operation 1. Purpose The Self-Cleaning operation is to minimize the growth of mold, bacteria etc. by running the fan and drying so as to keep Unit now performing cooling or dry operation the inside of the air conditioner clean. Self-Cleaning operation When the cooling or dry operation shuts down, the unit Press “STOP”... - Page 33 FILE NO. SVM-09036 7-12-1. Self-Cleaning diagram Operation display FCU fan rpm is depend on presetting. (SL) FCU louver OPEN OPEN (12.7º) CLOSE ON or OFF ON or OFF Timer display depend on presetting of timer function. depend on presetting of timer function. ON or OFF Compressor depend on presetting per room temperature.
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Page 34: 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 35 FILE NO. SVM-09036 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 36: Installation Diagram Of Indoor And Outdoor Units
FILE NO. SVM-09036 8-2. Installation Diagram of Indoor and Outdoor Units Hook Installation For the rear left and left piping plate Wall 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 37: Installation
FILE NO. SVM-09036 8-3. Installation 8-3-1. Optional installation parts Part Parts name Q'ty Code Refrigerant piping Liquid side : ∅6.35 mm each Gas side : ∅12.7 mm Pipe insulating material (polyethylene foam, 8 mm thick) Putty, PVC tapes each <Fixing bolt arrangement of outdoor unit> 108 mm 125 mm Air inlet... - Page 38 FILE NO. SVM-09036 8-3-2. Accessory and installation parts Part Part Part Part name (Q ’ty) Part name (Q’ty) Part name (Q’ty) Pan head wood screw ∅3 .1 x 16 x 2 Installation plate x 1 Remote control holder x 1 Screw ∅...
- Page 39 FILE NO. SVM-09036 3-3-3. 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) •...
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Page 40: Indoor Unit
FILE NO. SVM-09036 8-4. Indoor Unit 8-4-2. Drilling a Hole and Mounting Instal- lation Plate 8-4-1. Installation Place • A place which provides enough spaces around the <Drilling a hole> indoor unit as shown in the diagram. When install the refrigerant pipes from the rear. •... - Page 41 FILE NO. SVM-09036 8-4-3. Electrical Work <When the installation plate is directly 1. The supply voltage must be the same as the mounted on the wall> rated voltage of the air conditioner. 1. Securely fit the installation plate onto the wall by 2.
- Page 42 FILE NO. SVM-09036 8-4-5. Piping and Drain Hose Installation CAUTION CAUTION • Be sure to refer to the wiring system diagram <Piping and drain hose forming> labeled inside the front panel. • Since condensation results in machine trouble, • Check local electrical regulations for any make sure to insulate both the connecting pipes specific wiring instructions or limitations.
- Page 43 FILE NO. SVM-09036 <In case of bottom right or bottom left piping> <How to attach the drain cap> • After making slits on the front panel with a knife or 1. Insert hexagonal wrench (4 mm). similar tool, cut them out with a pair of nippers or an equivalent tool.
- Page 44 FILE NO. SVM-09036 CAUTION Information The lower part of indoor unit may float, due to the • Bind the auxiliary pipes (two) and connecting condition of piping and you cannot fix it to the cable with facing tape tightly. 9 screws installation plate.
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Page 45: Outdoor Unit
FILE NO. SVM-09036 8-5. Outdoor Unit 8-5-2. Refrigerant piping connection 8-5-1. Installation place 1. Cut the pipe with a pipe cutter. • A place which provides the spaces around the outdoor unit as shown in the installation diagram of indoor and outdoor unit. Roughness Warp Obliquity... - Page 46 FILE NO. SVM-09036 8-5-3. Evacuating (Unit : N . m) After the piping has been connected to the indoor unit, Outer dia. you can perform the air purge together at once. Tightening torque of copper pipe ∅6.35 mm 16 to 18 (1.6 to 1.8 kgf·m) AIR PURGE Evacuate the air in the connecting pipes and in the ∅12.70 mm...
- Page 47 FILE NO. SVM-09036 Terminal block TO CHARGE REFRIGERANT 1 2 3 Refrigerant 24 class 18 class Terminal screw No need to charge Earth line 15 m or less 15 m or less Earth line extra refrigerant Cord clamp Screw Cord clamp Need to charge Over 15 m up to Over 15 m up to...
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Page 48: Test Operation
FILE NO. SVM-09036 8-6. Test Operation 8-6-4. Remote Controller A or B Selection Setting 8-6-1. Gas Leak Test When two indoor units are installed in the separated rooms, it • Check the flare nut connections for gas leaks with is not necessary to change the selector switches. a gas leak detector and/or soapy water. -
Page 49: Troubleshooting Chart
FILE NO. SVM-09036 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 trouble corresponding to 9-2, check 4 cables. - Page 50 FILE NO. SVM-09036 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 51 Press [CHECK] button with a tip of pencil to set the remote controller to the service mode. • “ ” is indicated on the display of the remote controller. TOSHIBA Press [ON ] or [OFF ] button If there is no fault with a code, the indoor unit will beep...
- Page 52 FILE NO. SVM-09036 Table 9-4-1 Block level Diagnosis function Judgement and action Check Check Unit Block Symptom Condition code code status Indoor The indoor thermo sensor (TA) is Operation The lamp on the 1. Check the indoor thermo sensor (TA). P.C.
- Page 53 FILE NO. SVM-09036 9-5. How To Diagnose Faulty Parts Operation Check item Conceivable principle cause [04 Serial signal error] (Heat pump model) Measure Item by symptoms Does outdoor unit operate? Connect crossover Are 1, 2 and 3 crossover wires properly. wires connected properly? Is connector Connect connector...
- Page 54 FILE NO. SVM-09036 [09 Other cycle error] (1) (Heat pump model) Does compressor operate? Does inner Check charged amount of refrigerant. Is compressor overload relay Check defective overload. turned off shortly? (in compressor) Check compressor. operate? Failure Replace Is TC sensor resistance value compressor.
- Page 55 FILE NO. SVM-09036 [0C Indoor TA sensor error] Is CN03 (TA sensor connector) Connect CN03 properly. connected properly? Is TA sensor resistance value Replace TA sensor. (10 kΩ at 25°C) normal? Indoor P.C. board is defective. Replace P.C. board. [0d Indoor TC sensor error] Is CN01 (TC sensor connector) Connect CN01 properly.
- Page 56 FILE NO. SVM-09036 [19 outdoor TD sensor error] (Heat pump model) Connect connector Is TD sensor connected properly? properly. Is TD sensor resistance value Replace TD sensor. (50 kΩ at 25°C) normal? Outdoor P.C. board is defective. Replace P.C. board. [1E Discharge temp.
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Page 57: Troubleshooting For Indoor Unit
FILE NO. SVM-09036 9-6. Troubleshooting for Indoor unit 9-6-1. Power can not be turned on. (The unit does not operate at all.) <Primar check> (1) Is the supply voltage normal? (2) Is the connection to the AC output OK? Operation (3) Is the fuse (F01) blown? Check item Turn off power... - Page 58 FILE NO. SVM-09036 9-6-2. Only indoor fan motor does not operate. <Primary check> (1) Is it possible to detect the power supply voltage (200 – 240 V) between 1 and 2 on the terminal block? (2) Does the indoor fan motor operate in cooling operation? (In heating operation, the indoor fan motor does not operate for approximately 5 minutes after it is turned on, to prevent a cold air from blowing in.) –...
- Page 59 FILE NO. SVM-09036 9-6-3. Compressor does not operate. <Primary check> (1) Is the preset temperature higher than the room temperature in cooling operation? (2) Is the crossover cable connected properly? RAS-18,24SKP-ES <Inspection procedure> Turn on power supply. Refer to 9-5-1 “Power Does OPERATION can not be turned on”.
- Page 60 FILE NO. SVM-09036 RAS-18,24SKHP-ES <Inspection procedure> AC 70-100V Replace transformer (CN06) of transformer? outdoor P.C. board. − 59 −...
- Page 61 FILE NO. SVM-09036 Rewire or replace Are all of compressor cords normal? defective cords. Is compressor motor winding normal? Replace compressor. Compressor is defective. (Check winding resistor.) Is capacitor for compressor normal? Replace capacitor. Capacitor is defective. Replace overload relay. Is overload relay normal? Overload relay is defective.
- Page 62 Terminal block should be equal AC 220 ~ 240V Abnor mal condition : Don't found voltage AC 220 ~ 240V from terminal block (0V) RAS-18SKHP-ES and RAS-24SKHP-ES Terminal block on indoor side White Tester Terminal block...
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Page 63: Troubleshooting For P.c. Board
FILE NO. SVM-09036 9-8. Troubleshooting for P.C. board <Inspection procedure> (1) If the P.C. board is defective , check for disconnec- 9-8-1. How to check indoor P.C. board tion, burn or discoloration of the copper foil pattern of the P.C. board. <Cautions for handling P.C. - Page 64 FILE NO. SVM-09036 Procedure Check points Causes 1. The temperature of the indoor 1. Check whether or not the If the above condition (No. 5) still heat exchanger is extremely high. compressor operates. continues, start the unit in the 2. The connector of the heat 2.
- Page 65 FILE NO. SVM-09036 RAS-18,24SKP-ES Table 9-7-1 Inspection procedure Procedure Check points Causes Impluse voltage was applied or the Turn off the power supply and Check whether or not the fuse (F01) indoor fan motor short-circuited. remove the P.C. board assembly is blown.
- Page 66 FILE NO. SVM-09036 Table 9-8-2. 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 9-8-2. How to shorten time of restart delay timer 1 Press [SET] button while pressing [CHECK] button with a tip of a pencil.
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Page 67: Troubleshooting For Remote Control
FILE NO. SVM-09036 9-9. Troubleshooting for Remote Control The unit does not beep at all. Press [ OPERATION lamp on button. indoor unit is not indicated. Is transmission mark indicated? Press RESET button on remote control Is receiver on with tip of pencil. indoor unit exposed to direct sunlight? Does indoor unit... -
Page 68: How To Replace The Main Parts
FILE NO. SVM-09036 10. HOW TO REPLACE THE MAIN PARTS WARNING • Since high voltages pass through the electrical parts, turn off the power without fail before proceeding with the repairs. Electric shocks may occur if the power plug is not disconnected. •... - Page 69 FILE NO. SVM-09036 Part name Procedures Remarks Front panel 4) Press "PUSH" part under the front panel and remove hooks of the front panel from the installation plate. Installation plate Front panel Press 5) Remove the front panel fixing screws. (4 pcs.) 6) Take off four hooks of panel from rear side.
- Page 70 FILE NO. SVM-09036 Part name Procedures Remarks ‚ Electric parts 1) Remove screw of earth lead attached to the box assembly end plate of the evaporator. 2) Remove the lead wire cover, and remove connector for the fan motor and connec- tor for the louver motor from the electric parts box assembly.
- Page 71 FILE NO. SVM-09036 Part name Procedures Remarks ƒ Horizontal louver 1) Remove shaft of the horizontal louver from the back body. (First remove the left shaft, and then remove other shafts while sliding the horizontal louver leftward.) „ ‚ Evaporator 1) Follow to the procedure in the item (Heat exchanger) 2) Remove the pipe holder from the rear side of the main unit.
- Page 72 FILE NO. SVM-09036 Part name Procedures Remarks … Bearing 1) Follow to the procedure in the item „ 2) Remove the two screws used to secure the bearing base. Two screws screws 3) Remove the bearing base. Bearing base <Caution at assembling> •...
- Page 73 FILE NO. SVM-09036 Part name Procedures Remarks † „ Fan motor 1) Follow to the procedure till item 2) Loosen the set screw of the cross flow fan. 3) Remove two fixing screws of the motor cover and them remove the motor cover. 4) Remove two more fixing screws of the motor band and remove the motor band.
- Page 74 FILE NO. SVM-09036 Part name Procedures Remarks ‡ Cross flow fan <Caution at reassembling> 1) To incorporate the fan motor, remove the fan motor rubber (at shaft core side), incorporate the motor into the position in the following figure, and then install the fan motor. •...
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Page 75: Outdoor Unit
FILE NO. SVM-09036 10-2. Outdoor Unit Part name Procedures Remarks Top cabinet Common 1) Stop the operation of the air conditioner and turn off Front cabinet procedure its main power supply or remove the power supply cord. 2) Remove the packed valve cover and the electrical parts cover (2 screws ∅... - Page 76 FILE NO. SVM-09036 Part name Procedures Remarks 1) Perform the common procedure 1 Running Running capacitor Spark killer for compressor 2) Remove the capacitor band. (1 screw ∅4 x 10L) capacitor 3) Disconnect the lead wires from the capacitor for compressor terminal.
- Page 77 FILE NO. SVM-09036 Part name Procedures Remarks 1) Perform the common procedure 1 Running 2) Remove the capacitor band. (1 screw ∅4 x 10L) capacitor 3) Disconnect the lead wires from the capacitor for compressor Running capacitor for Running capacitor terminal.
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Page 78: Exploded Views And Parts List
PC BOARD (For RAS-18SKP-ES) 43T50004 SENSOR; HEAT EXCHANGER 43T69821 PC BOARD (For RAS-24SKP-ES) 43T69005 SENSOR;THERMOSTAT 43T69822 PC BOARD (For RAS-24SKHP-ES) 43T69736 PC BOARD ASSY;WRS-LED 43T69747 ASM-STEPPING-MOTOR 43T62003 CORD CLAMP 43T60386 MOTOR CORD 43T69816 PC BOARD (For RAS-18SKHP-ES) – 77 –... -
Page 79: Indoor Unit
FILE NO. SVM-09036 11-2. Indoor Unit Location Part Location Part Description Description 43T00524 FRONT PANEL ASSY 43T22312 BEARING ASSY, MOLD (For RAS-18,24SKP-ES) 43T39020 BAND, MOTOR, LEFT 43T00525 FRONT PANEL ASSY 43T39022 BAND, MOTOR, RIGHT UP (For RAS-18,24SKHP-ES) 43T39023 BAND, MOTOR, RIGHT DOWN 43T09445 GRILLE OF AIR INLET ASSY 43T44429... -
Page 80: Outdoor Unit (Ras-18Sa-Es, Ras-24Sa-Es)
FILE NO. SVM-09036 11-3. Outdoor Unit (RAS-18SA-ES, RAS-24SA-ES) − 79 −... - Page 81 FILE NO. SVM-09036 Location Part Location Part Description Description 43T42324 BASE PLATE ASSEMBLY 43T04302 PARTITION 43T41427 COMPRESSOR;PA200X2CS-4KU1 43T39333 MOTOR BASE CONNECTION PLATE (For RAS-18SA-ES) 43T39318 MOTOR BASE 43T41428 COMPRESSOR;PA270X3CS-4MU2 43T19330 PACKED VALVE COVER (For RAS-24SA-ES) 43T00521 UPPER CABINET ASSEMBLY 43T49011 SPRING BASE(UPPER) 43T96305 BUSHING...
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Page 82: Outdoor Unit (Ras-18S2Ah-Es, Ras-24S2Ah-Es)
FILE NO. SVM-09036 11-4. Outdoor Unit (RAS-18S2AH-ES, RAS-24S2AH-ES) − 79 −... - Page 83 FILE NO. SVM-09036 Location Part Location Part Description Description 43T42324 BASE PLATE ASSEMBLY 43T96305 BUSHING 43T41427 COMPRESSOR;PA200X2CS-4KU1 43T62330 ELECTRIC PART COVER ASSEMBLY (For RAS-18S2AH-ES) 43T61306 ELECTRIC PARTS BASE 43T41428 COMPRESSOR;PA270X3CS-4MU2 43T52309 SWITCH;MAGNET; CLK-35J-S649 (For RAS-24S2AH-ES) (For RAS-24S2AH-ES) 43T49011 SPRING BASE(UPPER) 43T52312 SWITCH;MAGNET;...
- Page 84 FILE NO. SVM-03010(1) TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND. – 87 –...