Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Toshiba RAS-24UKHP-ES-1
Summary of Contents for Toshiba RAS-24UKHP-ES-1
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Page 1: Service Manual
FILE NO. SVM-03009 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-24UKHP-ES-1 / RAS-24UAH-ES-1 RAS-18UKHP-ES2 / RAS-18UAH-ES2 RAS-24UKP-ES-1 / RAS-24UA-ES-1 RAS-18UKP-ES2 / RAS-18UA-ES2 18 Class 18 Class 24 Class (Heat pump model) (Cooling only model) Feb., 2003... -
Page 2: Table Of Contents
3-1 RAS-24UKHP-ES-1 / RAS-24UAH-ES-1 3-2 RAS-18UKHP-ES2 / RAS-18UAH-ES2 3-3 RAS-24UKP-ES-1 / RAS-24UA-ES-1 3-4 RAS-18UKP-ES2 / RAS-18UA-ES2 SPECIFICATION OF ELECTRICAL PARTS 4-1 Indoor Unit (RAS-24UKHP-ES-1, RAS-18UKHP-ES2) 4-2 Outdoor Unit (RAS-24UAH-ES-1) 4-3 Outdoor Unit (RAS-18UAH-ES2) 4-4 Indoor Unit (RAS-24UKP-ES-1, RAS-18UKP-ES2) 4-5 Outdoor Unit (RAS-24UA-ES-1) - Page 3 FILE NO. SVM-03009 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 How to Diagnose Faulty Part 9-6 Troubleshooting for Indoor Unit 9-7 Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire) 9-8 Troubleshooting for P.C.
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Page 4: Specifications
FILE NO. SVM-03009 1. SPECIFICATIONS RAS-24UKHP-ES-1 RAS-24UKP-ES-1 RAS-18UKHP-ES2 RAS-18UKP-ES2 MODEL RAS-24UAH-ES-1 RAS-24UA-ES-1 RAS-18UAH-ES2 RAS-18UA-ES2 ITEM Cooling Heating Cooling Cooling Heating Cooling 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V Capacity 6.30 6.30 6.80 6.90 6.40 6.45 5.00 5.05 5.45 5.55... - Page 5 Outdoor unit inlet air temperature (WB) 24°C 6°C Note : 2 • Charge refrigerant according to the table below. RAS-24UKHP-ES-1 / RAS-24UAH-ES-1 RAS-18UKHP-ES2 / RAS-18UAH-ES2 Refrigerant RAS-24UKP-ES-1 / RAS-24UA-ES-1 RAS-18UKP-ES2 / RAS-18UA-ES2 No need to charge 15m or less 15m or less...
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Page 6: Construction Views
FILE NO. SVM-03009 2. CONSTRUCTION VIEWS 2-1. Indoor Unit Back body Front panel Grille inlet Knock out system Knock out system Drain hose (0.54m) Connection pipe (0.39m) Connection pipe (0.49m) (Flare ∅12.7) Wireless remote control (Flare ∅6.35) 763.5 (For stud bolt ∅6) Outline of indoor unit Installation Plate outline... -
Page 7: Outdoor Unit (Ras-24Uah-Es-1, Ras24Ua-Es-1)
FILE NO. SVM-03009 2-2. Outdoor Unit (RAS-24UAH-ES-1, RAS-24UA-ES-1) – 6 –... -
Page 8: Outdoor Unit (Ras-18Uah-Es2)
FILE NO. SVM-03009 2-3. Outdoor Unit (RAS-18UAH-ES2) – 7 –... -
Page 9: Outdoor Unit (Ras-18Ua-Es2)
FILE NO. SVM-03009 2-4. Outdoor Unit (RAS-18UA-ES2) – 8 –... -
Page 10: Wiring Diagram
FILE NO. SVM-03009 3. WIRING DIAGRAM 3-1. RAS-24UKHP-ES-1 / RAS-24UAH-ES-1 COLOR IDENTIFICATION BROWN FAN MOTOR LOUVER WHITE MOTOR YELLOW BLUE DC MOTOR BLACK GRAY PINK ORANGE GRN&YEL GREEN &YELLOW GREEN CN 07 CN 10 IC04 VARISTOR SG01 T6. 3A 250V... -
Page 11: Ras-18Ukhp-Es2 / Ras-18Uah-Es2
FILE NO. SVM-03009 3-2. RAS-18UKHP-ES2 / RAS-18UAH-ES2 COLOR IDENTIFICATION BROWN FAN MOTOR LOUVER WHITE MOTOR YELLOW BLUE DC MOTOR BLACK GRAY PINK ORANGE GRN&YEL GREEN &YELLOW GREEN CN 07 CN 10 IC04 VARISTOR SG01 T6.3A 250V DB01 F01 FUSE DC15V DC0V DC12V CN30... -
Page 12: Ras-24Ukp-Es-1 / Ras-24Ua
FILE NO. SVM-03009 3-3. RAS-24UKP-ES-1 / RAS-24UA-ES-1 COLOR IDENTIFICATION BROWN FAN MOTOR LOUVER WHITE MOTOR YELLOW BLUE DC MOTOR BLACK GRAY PINK ORANGE GRN&YEL GREEN & YELLOW : GREEN CN 07 CN 10 IC04 VARISTOR SG01 T6.3A 250V DB01 F01 FUSE DC15V DC0V DC12V... -
Page 13: Ras-18Ukp-Es2 / Ras-18Ua-Es2
FILE NO. SVM-03009 3-4. RAS-18UKP-ES2 / RAS-18UA-ES2 COLOR IDENTIFICATION BROWN FAN MOTOR LOUVER WHITE MOTOR YELLOW BLUE DC MOTOR BLACK GRAY PINK ORANGE YELLOW GRN&YEL GREEN & GREEN CN 07 CN 10 IC04 SG01 VARISTOR T6.3A 250V DB01 F01 FUSE DC15V DC0V DC12V... -
Page 14: Specification Of Electrical Parts
FILE NO. SVM-03009 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit (RAS-24UKHP-ES-1, RAS-18UKHP-ES2) Parts name Type Specifications Fan motor (for indoor) ICF-340-30-F2 DC 340V, 30W Thermo sensor (TA-sensor) ——— 10kΩ at 25°C DC-DC transformer (T01) SWT-58A DC 390V, Secondary DC 15V, 12V, 7V... -
Page 15: Outdoor Unit (Ras-18Uah-Es2)
FILE NO. SVM-03009 4-3. Outdoor Unit (RAS-18UAH-ES2) Parts name Type Specifications Output (Rated) 1500W, 2poles, 1 phase, 220 – 240V, 50Hz Compressor PA225X3F-4L Winding resistance (Ω) Red-Black White-Black (at 20°C) 1.35 2.68 Output (Rated) 65W, 6poles, 1 phase, 220 – 240V, 50Hz Fan motor (for outdoor) HF-240-42B-2 Winding resistance (Ω) -
Page 16: Outdoor Unit (Ras-24Ua-Es-1)
FILE NO. SVM-03009 4-5. Outdoor Unit (RAS-24UA-ES-1) Parts name Type Specifications Output (Rated) 2200W, 2poles, 1 phase, 220 – 240V, 50Hz Compressor PA290X3F-4MS Winding resistance (Ω) Red-Black White-Black (at 20°C) 1.07 2.20 Output (Rated) 65W, 6poles, 1 phase, 220 – 240V, 50Hz Fan motor (for outdoor) KFG6-71SB5P-T Winding resistance (Ω) Red-Black White-Black... -
Page 17: Refrigeration Cycle Diagram
FILE NO. SVM-03009 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-24UKHP-ES-1 / RAS-24UAH-ES-1 Indoor unit Heat exchanger Cooling 0.49m 0.39m 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) Gas container connection (Reinstall etc.) -
Page 18: Ras-18Ukhp-Es2 / Ras-18Uah-Es2
FILE NO. SVM-03009 5-2. RAS-18UKHP-ES2 / RAS-18UAH-ES2 Indoor unit Evaporator Cooling 0.39m 0.49m Heating (Connecting pipe) (Connecting pipe) ∅12.7 ∅6.35 Cross flow fan O.D.:12.7mm O.D.:6.35mm Packed valve Packed valve (∅12.7) (∅6.35) Heating Cooling 4-way valve Heating Cooling Compressor PA225X3F-4L Capillary tube ∅1.0x1500s Capillary tube Accumulator... -
Page 19: Ras-24Ukp-Es-1 / Ras-24Ua
FILE NO. SVM-03009 5-3. RAS-24UKP-ES-1 / RAS-24UA-ES-1 Indoor unit Heat exchanger Cooling 0.49m 0.39m (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) Gas container connection (Reinstall etc.) Cooling Cooling Compressor PA290X3F-4MS Capillary tube Tank ∅2.0x600s... -
Page 20: Ras-18Ukp-Es2 / Ras-18Ua-Es2
FILE NO. SVM-03009 5-4. RAS-18UKP-ES2 / RAS-18UA-ES2 Indoor unit Evaporator Cooling 0.39m 0.49m (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) Cooling Muffler Cooling Compressor PA225X3F-4L Capillary tube ∅1.7x350s Accumulator Condenser Refrigerant R410A 1.2 kg Propeller fan... -
Page 21: Control Block Diagram
FILE NO. SVM-03009 6. CONTROL BLOCK DIAGRAM 6-1. RAS-24UKHP-ES-1, RAS18UKHP-ES2 Indoor Unit Control Panel M.C.U. Functions Operation Heat Exchanger Sensor • Louver Control Display Timer • 3-minute Delay at Restart for Compressor Temperature Sensor Display Filter Sign • Motor Revolution Control... -
Page 22: Ras-24Ukp-Es-1, Ras-18Ukp-Es2
FILE NO. SVM-03009 6-2. RAS-24UKP-ES-1, RAS18UKP-ES2 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 • Motor Revolution Control Infrared Rays Signal Receiver Display Fan Only •... -
Page 23: Operation Description
• Transferring of operation commands to the Table 7-1-1 outdoor unit • Receiving of information of the operation status RAS-24UKHP-ES-1 RAS-18UKHP-ES2 and judging of the information or indication of MODEL error Motor speed Air flow level Motor speed Air flow level... -
Page 24: Description Of Operation Circuit
FILE NO. SVM-03009 7-2-2. Cooling operation 7-2. Description of Operation Circuit ([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 lamp are controlled as shown in... - Page 25 FILE NO. SVM-03009 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 lamp are controlled as shown in operation display lamp are controlled as shown in...
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Page 26: Cooling Operation
*3: SUL means Super Ultra Low. Fan only operation *4: Calculated from difference in motor speed between SUL and HIGH. Fig. 7-2-8 Cold draft preventing control Heating operation *5 and *6: RAS-24UKHP-ES-1 RAS-24UKP-ES-1 RAS-18UKHP-ES2 RAS-18UKP-ES2 Table 7-2-1 Fig. 7-2-9 speed... -
Page 27: Hi Power Mode
FILE NO. SVM-03009 7-3. Hi POWER Mode 7-4. High-Temperature Limit Control *Heat pump model only ([Hi POWER] button on the remote 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 28: Auto Restart Function
FILE NO. SVM-03009 7-7-1. How to set auto restart function 7-7. 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 29: Filter Check Lamp
FILE NO. SVM-03009 7-7-2. 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 30: Installation Procedure
FILE NO. SVM-03009 8. INSTALLATION PROCEDURE 8-1. Safety Cautions For general public use Power supply cord of Outdoor unit shall be more than 4 mm (H07RN-F or 245 IEC66 : polychloroprene sheathed flexible cord) or 3.5 mm (AWG-12). CAUTION New Refrigerant Air conditioner Installation •... - Page 31 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.
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Page 32: Installation Diagram Of Indoor And Outdoor Units
FILE NO. SVM-03009 8-2. Installation Diagram of Indoor and Outdoor Units Hook Installation For the rear left and left plate piping Wall Insert the cushion between the indoor unit and wall, and lift the indoor unit for better operation. Shield pipe Do not allow the drain Purifying filter... -
Page 33: Installation
FILE NO. SVM-03009 8-3. Installation 8-3-1. Optional installation parts Part Parts name Q'ty Code Refrigerant piping Liquid side : ∅6.35 mm each : ∅12.7 mm Gas side Pipe insulating material (polyethylene foam, 6 mm thick) Putty, PVC tapes each <Fixing bolt arrangement of outdoor unit> RAS-24UKP-ES-1 / RAS-24UA-ES-1 600 mm Air inlet... - Page 34 FILE NO. SVM-03009 8-3-2. Accessory and installation parts Part Part Part Part name (Q'ty) Part name (Q'ty) Part name (Q'ty) Installation plate x 1 Remote control holder x 1 Purifying filter x 2 Mounting screw ∅4 x 25 s x 8 Wireless remote control x 1 Filter frame x 2 Pan head wood screw...
- Page 35 FILE NO. SVM-03009 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) •...
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Page 36: Indoor Unit
FILE NO. SVM-03009 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 37 FILE NO. SVM-03009 <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 38 FILE NO. SVM-03009 8-4-4. Wiring connection CAUTION Air Inlet grille • Be sure to refer to the wiring system diagram labeled inside the front panel. • Check local electrical cords and also any specific Front panel wiring instructions or limitations. Connecting cable Fig.
- Page 39 FILE NO. SVM-03009 8-4-5. Piping and Drain Hose Installation To connect the pipe after installation of the unit (figure) <In case of rightward piping> (To the forefront of flare) • After scribing slits of the body-right by a knife or a 400 mm Liquid side making-off pin, cut them by a pair of nippers or the...
- Page 40 FILE NO. SVM-03009 8-4-6. Indoor unit fixing 8-4-7. Drainage 1. Pass the pipe through the hole in the wall, and hook 1. Run the drain hose sloped downwards. the indoor unit on the installation plate at the upper hooks. NOTE •...
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Page 41: Outdoor Unit
FILE NO. SVM-03009 8-5-2. Refrigerant piping connection 8-5. Outdoor Unit 1. Cut the pipe with a pipe cutter. 8-5-1. Installation place • A place which provides the spaces around the outdoor unit as shown in the left diagram. Roughness Warp Obliquity 90°... - Page 42 FILE NO. SVM-03009 (Unit : N·m) 8-5-3. Evacuating Outer dia. After the piping has been connected to the indoor unit, Tightening torque of copper pipe you can perform the air purge together at once. ∅6.35 mm 16 to 18 (1.6 to 1.8 kgf·m) AIR PURGE ∅9.52 mm 30 to 42 (3.0 to 4.2 kgf·m)
- Page 43 FILE NO. SVM-03009 8-5-4. Wiring connection TO CHARGE REFRIGERANT RAS-24UKHP-ES-1/24UAH-ES-1 RAS-18UKHP-ES2/18UAH-ES2 1. Remove the valve cover from the outdoor unit. Refrigerant RAS-24UKP-ES-1/24UA-ES-1 RAS-18UKP-ES2/18UA-ES2 2. Connect the connecting cable to the terminal as No need to charge 15 m or less...
- Page 44 FILE NO. SVM-03009 2. Set the remote control selector switch with the 8-6. How to Set Remote Control Selector remote control Switch When two indoor units as installed in seperated rooms, [B] is indicated on the liquid crystal display when there is no need to change the selector switch.
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Page 45: Others
FILE NO. SVM-03009 8-7-3. Auto restart setting 8-7. Others This product is designed so that, after a power failure, 8-7-1. Gas leak test it can restart automatically in the same operating mode Electric parts cover as before the power failure. Information Flare nut connections The product was shipped with Auto Restart function... -
Page 46: Troubleshooting Chart
FILE NO. SVM-03009 9. TROUBLESHOOTING CHART 9-2-2. Incorrect cable connection between Indoor 9-1. Troubleshooting Procedure : and outdoor units Follow the details of 9-2. Basic Check Items. The indoor unit is connected to the outdoor unit with 4 If there is no trouble corresponding to 9-2, check cables. -
Page 47: Primary Judgement
FILE NO. SVM-03009 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 48: Self-Diagnosis By Remote Control (Check Code)
FILE NO. SVM-03009 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 49 FILE NO. SVM-03009 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.
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Page 50: How To Diagnose Faulty Part
FILE NO. SVM-03009 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 51 FILE NO. SVM-03009 [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 52 FILE NO. SVM-03009 [0C Indoor TA sensor error] Is CN04 (TA sensor connector) Connect CN04 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 CN05 (TC sensor connector) Connect CN05 properly.
- Page 53 FILE NO. SVM-03009 [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 54: Troubleshooting For Indoor Unit
FILE NO. SVM-03009 9-6. Troubleshooting for Indoor unit 9-6-1. Power can not be turned on. (The unit does not operate at all.) <Primary check> Operation (1) Is the supply voltage normal? (2) Is the connection to the AC output OK? Check item (3) Are the connection of the primary side and the secondary side of the power transformer inserted into the P.C. - Page 55 FILE NO. SVM-03009 9-6-2. Only indoor fan motor does not operate. <Primary check> (1) Is it possible to detect the power supply voltage (200 – 240V) 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.) Turn off power...
- Page 56 FILE NO. SVM-03009 9-6-3. Indoor fan motor automatically starts to rotate by turning on power supply. <Cause> The IC is built in the indoor fan motor. Therefore the P.C. board is also mounted to the inside of the motor. If the P.C. board is soldered imperfectly or the IC is defective, the fan motor may automatically rotate by turning on power supply.
- Page 57 FILE NO. SVM-03009 9-6-4. 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? <Inspection procedure> -Cooling only model- Turn on power supply. Refer to 9-6-1 Power Does OPERATION can not be turned on .
- Page 58 FILE NO. SVM-03009 <Inspection procedure> -Cooling and heating model- Turn on power supply. Refer to item Power Does OPERATION can not be turned on . lamp blink? Refer to 9-9 Troubleshooting Is it possible to start for Remote Control . unit by remote control? Is it possible to detect Check TA and TC sensors...
- Page 59 FILE NO. SVM-03009 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.
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Page 60: Troubleshooting For Wiring (Interconnect Cable And Serial Signal Wire)
FILE NO. SVM-03009 9-7. Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire) 9-7-1. Outdoor unit does not operate. <Inspection procedure> (1) Is the voltage between 2 and 3 of the indoor terminal block varied? (2) Are signals from the indoor unit to the outdoor unit transmitted correctly based upon the following diagram? NOTE: •... -
Page 61: Troubleshooting For P.c. Board
FILE NO. SVM-03009 9-8. Troubleshooting for P.C. board <Inspection procedure> (1) If the P.C. board is detective, 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 62 FILE NO. SVM-03009 Procedure Check points Causes 1. The temperature of the indoor Press [START/STOP] button once 1. Check whether or not the heat exchanger is extremely low. to start the unit. compressor operates. • Shorten the time of the restart 2.
- Page 63 FILE NO. SVM-03009 9-8-3. P.C. Board layout Top View Bottom View – 61 –...
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Page 64: Troubleshooting For Remote Control
FILE NO. SVM-03009 9-9. Troubleshooting for Remote Control The unit does not beep at all. Press START/STOP 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 65: Part Replacement
FILE NO. SVM-03009 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 inlet grille toward you to open it and remove 4 screws fixing the front panel. - Page 66 FILE NO. SVM-03009 Part name Procedures Remarks Horizontal grille 1) Remove center 2 shafts of the horizontal grille from (1) Center shafts the back body. 2) Remove left shaft of the horizontal grille from the back body. (2) Left shafts 3) Remove the horizontal grille from the back body.
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Page 67: Outdoor Unit (Ras-24Uah-Es-1, Ras-24Ua-Es-1)
FILE NO. SVM-03009 10-2. Outdoor Unit (RAS-24UAH-ES-1, RAS-24UA-ES-1) Part name Procedures Remarks Common 1) Stop the operation of the air conditioner and turn off Top cabinet procedure its main power supply or remove the power supply Electrical cord. parts cover 2) Remove the electrical parts cover. -
Page 68: Outdoor Unit (Ras-18Uah-Es2)
FILE NO. SVM-03009 10-3 Outdoor Unit (RAS-18UAH-ES2) Part name Procedures Remarks Common 1) Stop the operation of the air conditioner and turn off procedure its main power supply or remove the power supply cord. 2) Remove the electrical parts cover. (4 screws ∅4 x 10L) 3) Remove 2 cord clamps (4 screws ∅4 x 22L) and Remove... -
Page 69: Outdoor Unit (Ras-18Ua-Es2)
FILE NO. SVM-03009 10-4 Outdoor Unit (RAS-18UA-ES2) Part name Procedures Remarks Common 1) Stop the operation of the air conditioner and turn off procedure its main power supply or remove the power supply cord. 2) Remove the electrical parts cover. (2 screws ∅4 x 10L) 3) Remove 2 cord clamps (4 screws ∅4 x 22L) and Remove... -
Page 70: Exploded Views And Parts List
FILE NO. SVM-03009 11. EXPLODED VIEWS AND PARTS LIST 11-1. Indoor Unit (E-Parts Assy) 406 (Heat pump model) 407 (Cooling only model) Location Part Location Part Description Description 43T60002 Terminal Block, 3P 43T69066 P.C. Board ASSY, WRS-LED 3P AC300V, 20A MCC-819 43T50004 Sensor, Heat Exchanger 43T69064 P.C. -
Page 71: Indoor Unit
FILE NO. SVM-03009 11-2. Indoor Unit Location Part Location Part Description Description 43T49037 Holder, Plate EVA-Seal 43T00048 Front Panel, ASSY 43T79007 Guide Drain 43T00049 Grille ASSY (For Heat pump model) 43T39016 Fix Motor 43T00050 Grille ASSY (For cooling only model) 43T60075 Fan Motor Cord 43T80014 Air Filter (L) 43T21327 Motor, Fan... -
Page 72: Outdoor Unit (Ras-24Uah-Es-1)
FILE NO. SVM-03009 11-3. Outdoor Unit (RAS-24UAH-ES-1) 33, 34 12, 14 11, 13 Location Part Location Part Description Description 43T00024 Panel, Air Outlet 43T49012 Base, Spring, B 43T00025 Panel, Front 43T49019 Spring, Buffer 43T00026 Panel, Side 43T21315 Motor, Fan, AC 220 – 240V 50Hz 43T42002 Base Assembly 43T20301 Fan, Propeller, 491 43T19012 Guard, Fin... -
Page 73: Outdoor Unit (Ras-18Uah-Es2)
FILE NO. SVM-03009 11-4. Outdoor Unit (RAS-18UAH-ES2) 29, 30 17, 18 15, 16 19: Capillary Tube, 1.0 Dia 20: Capillary Tube, 1.7 Dia Location Part Location Part Description Description 43005144 Cabinet, Front 43T47308 Capillary Tube, 1.0Dia. 43T00005 Cabinet, Back 43T47014 Capillary Tube, 1.7Dia. 43T00004 Cabinet, Side 43T49011 Base, Spring, A 43T42305 Base... -
Page 74: Outdoor Unit (Ras-24Ua-Es-1)
FILE NO. SVM-03009 11-5. Outdoor Unit (RAS-24UA-ES-1) 12, 14 Location Part Location Part Description Description 43T00024 Panel, Air Outlet 43T49011 Base, Spring, A 43T00025 Panel, Front 43T49012 Base, Spring, B 43T00026 Panel, Side 43T49019 Spring, Buffer 43T42002 Base Assembly 43T21314 Motor, Fan, AC 220 – 240V 50Hz 43T19012 Guard, Fin 43T20301 Fan, Propeller, 491 43T19011 Guard, Fan... -
Page 75: Outdoor Unit (Ras-18Ua-Es2)
FILE NO. SVM-03009 11-6. Outdoor Unit (RAS-18UA-ES2) 17, 18 15, 16 19: Capillary Tube, 1.7 Dia Location Part Location Part Description Description 43T46318 Valve, Packed 12.7Dia. 43005144 Cabinet, Front 43T47018 Bonnet, 12.7Dia 43005143 Cabinet, Side 43T47014 Capillary Tube, 1.7Dia. 43T42305 Base 43T49011 Base, Spring, A 43T00378 Plate, Packed, Valve 43T49012 Base, Spring, B... - Page 76 FILE NO. SVM-03009 TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000,THAILAND. – 74 –...