Related Manuals for Toshiba RAS-18UFHP-ES
Summary of Contents for Toshiba RAS-18UFHP-ES
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Page 1: Service Manual
FILE NO. SVM-02009 SERVICE MANUAL AIR-CONDITIONER UNDER CEILING / CONSOLE TYPE RAS-18UFHP-ES / RAS-18UAH-ES RAS-18UFP-ES / RAS-18UA-ES RAS-24UFHP-ES / RAS-24UAH-ES RAS-24UFP-ES / RAS-24UA-ES 18 Class 24 Class Apr., 2002... -
Page 2: Table Of Contents
2. CONSTRUCTION VIEWS 2-1 Indoor Unit 2-2 Outdoor Unit (RAS-18UAH-ES, RAS-18UA-ES) 2-3 Outdoor Unit (RAS-24UAH-ES, RAS-24UA-ES) 3. WIRING DIAGRAM 3-1 RAS-18UFHP-ES / RAS-18UAH-ES 3-2 RAS-18UFP-ES / RAS-18UA-ES 3-3 RAS-24UFHP-ES / RAS-24UAH-ES 3-4 RAS-24UFP-ES / RAS-24UA-ES 4. SPECIFICATION OF ELECTRICAL PARTS... - Page 3 FILE NO. SVM-02009 9. 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 Parts 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-02009 1. SPECIFICATIONS RAS-18UFHP-ES RAS-18UFP-ES RAS-24UFHP-ES RAS-24UFP-ES MODEL RAS-18UAH-ES RAS-18UA-ES RAS-24UAH-ES RAS-24UA-ES ITEM Cooling Heating Cooling Cooling Heating Cooling Capacity 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V 5.00 5.10 5.70 5.75 5.15 5.25 6.20... - Page 5 7°C Outdoor unit inlet air temperature (WB) 24°C 6°C Note : 2 • Charge refrigerant according to the table below. RAS-18UFHP-ES / RAS-18UAH-ES RAS-24UFHP-ES / RAS-24UAH-ES Refrigerant RAS-18UFP-ES / RAS-18UA-ES RAS-24UFP-ES / RAS-24UA-ES No need to charge 15m or less...
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Page 6: Construction Views
FILE NO. SVM-02009 2. CONSTRUCTION VIEWS 2-1. Indoor Unit Front panel 1093 Knock out system Grille air inlet Back Body UNDER CEILING & CONSOLE INSTALLATION 200 Min 1093 For stud bolt Installation plate (∅8 - ∅10) 1015 For stud bolt (∅6) Mount plate M10 Suspention bolt Wireless remote control... -
Page 7: Outdoor Unit (Ras-18Uah-Es, Ras-18Ua-Es)
FILE NO. SVM-02009 2-2. Outdoor Unit (RAS-18UAH-ES, RAS-18UA-ES) ∅6 hole ∅11x14 hole A Detail Drawing 8-∅6 holes (For fixing outdoor unit) ∅25 Drain oulet 6-∅11x14 holes (For ∅8 - ∅10 anchor bolt) Fan guard Handle ∅420 Electric 100 or more Air inlet Parts cover 600 or more... -
Page 8: Outdoor Unit (Ras-24Uah-Es, Ras-24Ua-Es)
FILE NO. SVM-02009 2-3. Outdoor Unit (RAS-24UAH-ES, RAS-24UA-ES) ∅25 Drain outlet ∅12x18 hole A Detail Drawing 4-∅12x18 holes (for ∅8 - ∅10 anchor bolt) Handle Handle Electric Parts cover 100 or more 600 or more Liquid side (Flare ∅6.35) Gas side (Flare ∅12.70) 100 or more 4-∅12x18... -
Page 9: Wiring Diagram
FILE NO. SVM-02009 3. WIRING DIAGRAM 3-1. RAS-18UFHP-ES / RAS-18UAH-ES INFRARED RAYS RECEIVE AND INDICATION PARTS LOUVER 1 2 3 4 5 6 7 8 9 MOTOR CN25 1 2 3 4 5 6 7 8 9 COLOR IDENTIFICATION 6 5 4... -
Page 10: Ras-18Ufp-Es / Ras-18Ua-Es
FILE NO. SVM-02009 3-2. RAS-18UFP-ES / RAS-18UA-ES INFRARED RAYS RECEIVE AND INDICATION PARTS LOUVER 1 2 3 4 5 6 7 8 9 MOTOR CN25 1 2 3 4 5 6 7 8 9 COLOR IDENTIFICATION 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9... -
Page 11: Ras-24Ufhp-Es / Ras-24Uah-Es
FILE NO. SVM-02009 3-3. RAS-24UFHP-ES / RAS-24UAH-ES INFRARED RAYS RECEIVE AND INDICATION PARTS LOUVER 1 2 3 4 5 6 7 8 9 MOTOR CN25 1 2 3 4 5 6 7 8 9 COLOR IDENTIFICATION 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9... -
Page 12: Ras-24Ufp-Es / Ras-24Ua-Es
FILE NO. SVM-02009 3-4. RAS-24UFP-ES / RAS-24UA-ES INFRARED RAYS RECEIVE AND INDICATION PARTS LOUVER 1 2 3 4 5 6 7 8 9 MOTOR CN25 1 2 3 4 5 6 7 8 9 COLOR IDENTIFICATION 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9... -
Page 13: Specification Of Electrical Parts
FILE NO. SVM-02009 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit Parts name Type Specifications Fan motor (for indoor) AFP-220-50-4A Output (Rated) 50W, 220-240V Thermo sensor (TA-sensor) ——— 10kΩ at 25°C DC-DC transformer (T01) SWT-47 DC 390V, Secondary DC 12V, 7V Microcomputer TMP87CM40AN Heat exchanger sensor... -
Page 14: Outdoor Unit (Ras-18Ua-Es)
FILE NO. SVM-02009 4-3. Outdoor Unit (RAS-18UA-ES) Parts name Type Specifications Output (Rated) 1500W, 2poles, 1phase, 220 – 240V, 50Hz Compressor PA225X3F-4L Winding resistance (Ω) Red-Black White-Black (at 20°C) 1.35 2.68 Output (Rated) 42W, 6poles, 1phase, 220 – 240V, 50Hz Fan motor (for outdoor) HF-240-42A Winding resistance (Ω) -
Page 15: Outdoor Unit (Ras-24Ua-Es)
FILE NO. SVM-02009 4-5. Outdoor Unit (RAS-24UA-ES) Parts name Type Specifications Output (Rated) 2200W, 2poles, 1phase, 220 – 240V, 50Hz Compressor PA290X3F-4MS Winding resistance (Ω) Red-Black White-Black (at 20°C) 1.07 2.20 Output (Rated) 51W, 6poles, 1phase, 220 – 240V, 50Hz Fan motor (for outdoor) KPG6-71SB5P-T1 Winding resistance (Ω) Red-Black... -
Page 16: Refrigeration Cycle Diagram
FILE NO. SVM-02009 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-18UFHP-ES / RAS-18UAH-ES Indoor unit Evaporator Cooling 0.39m 0.49m Heating (Connecting pipe) (Connecting pipe) ∅12.70 mm ∅6.35 mm Multi blade fan 0.39m (Flexible pipe) ∅12.70 mm O.D.:6.35 mm O.D.:12.70 mm Packed valve Packed valve (∅12.70) -
Page 17: Ras-18Ufp-Es / Ras-18Ua-Es
FILE NO. SVM-02009 5-2. RAS-18UFP-ES / RAS-18UA-ES Indoor unit Evaporator 0.49m 0.39m (Connecting pipe) (Connecting pipe) ∅6.35 mm ∅12.70 mm Multi blade fan 0.39m (Flexible pipe) ∅12.70 mm O.D.:6.35 mm O.D.:12.70 mm Packed valve Packed valve (∅6.35) (∅12.70) Accumulator Muffler Compressor PA225X3F-4L Capillary tube... -
Page 18: Ras-24Ufhp-Es / Ras-24Uah-Es
FILE NO. SVM-02009 5-3. RAS-24UFHP-ES / RAS-24UAH-ES Indoor unit Evaporator Cooling 0.39m 0.49m Heating (Connecting pipe) (Connecting pipe) ∅12.70 mm ∅6.35 mm Multi blade fan 0.39m (Flexible pipe) ∅12.70 mm O.D.:6.35 mm O.D.:12.70 mm Packed valve Packed valve (∅6.35) (∅12.70) Heating Cooling 4-way valve... -
Page 19: Ras-24Ufp-Es / Ras-24Ua-Es
FILE NO. SVM-02009 5-4. RAS-24UFP-ES / RAS-24UA-ES Indoor unit Evaporator Cooling 0.39m 0.49m (Connecting pipe) (Connecting pipe) ∅12.70 mm ∅6.35 mm Multi blade fan 0.39m (Flexible pipe) ∅12.70 mm O.D.:6.35 mm O.D.:12.70 mm Packed valve Packed valve (∅6.35) (∅12.70 ) Tank Capillary tube ∅2.0x600S... -
Page 20: Control Block Diagram
FILE NO. SVM-02009 6. CONTROL BLOCK DIAGRAM 6-1. RAS-18UFHP-ES, RAS-24UFHP-ES Indoor Unit Control Panel M.C.U. 8 MHz Hi POWER Functions Heat Exchanger Sensor Display • Louver Control FILTER Sign • 3-minute Delay at Restart for Compressor Temperature Sensor Display • Motor Revolution Control PRE DEF. -
Page 21: Ras-18Ufp-Es, Ras-24Ufp-Es
FILE NO. SVM-02009 6-2. RAS-18UFP-ES, RAS-24UFP-ES Indoor Unit Control Panel M.C.U. 8 MHz Hi POWER Functions Heat Exchanger Sensor Display • Louver Control FILTER Sign • 3-minute Delay at Restart for Compressor Temperature Sensor Display • Motor Revolution Control FAN-ONLY Infrared Rays Signal Receiver Sign Display •... -
Page 22: Operation Description
• Receiving of information of the operation status Table 7-1-1 and judging of the information or indication of error. RAS-18UFHP-ES RAS-24UFHP-ES MODEL Motor speed Air flow level Motor speed Air flow level (2) Role of outdoor unit controller... -
Page 23: Description Of Operation Circuit
FILE NO. SVM-02009 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 on the remote control are... - Page 24 FILE NO. SVM-02009 7-2-4. Heating operation *Heating and cooling model only 7-2-3. Dry operation ([MODE] button on the remote control is set ([MODE] button on the remote control is set to to the dry operation.) 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...
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Page 25: Cooling Operation
*3: SUL means Super Ultra Low. Fan only operation *4: Calculated from difference in motor speed –1 between SUL and HIGH. Heating operation Fig. 7-2-8 Cold draft preventing control RAS-18UFHP-ES RAS-18UFP-ES RAS-24UFHP-ES RAS-24UFP-ES *5 and *6: Fig. 7-2-9 Table 7-2-1... -
Page 26: Hi Power Mode
FILE NO. SVM-02009 7-3. Hi POWER Mode 7-4. High-Temperature Limit Control ([Hi POWER] button on the remote The microcontroller detects the indoor heat exchanger control is pressed.) temperature to prevent pressure of a refrigerating cycle from increasing excessively. When [Hi POWER] button is pressed while the indoor The compressor and outdoor fan motor are controlled unit is in Auto, Cooling or Heating operation, Hi as shown in Fig. -
Page 27: Auto Restart Function
FILE NO. SVM-02009 7-7. Auto Restart Function 7-7-1. 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 28: Filter Check Lamp
FILE NO. SVM-02009 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 29: Installation Procedure
FILE NO. SVM-02009 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 245IEC66 : polychloroprene sheathed flexible cord) or 3.5 mm (AWG-12). CAUTION New Refrigerant Air conditioner Installation •... - Page 30 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 31: Installation Diagram Of Indoor And Outdoor Units
FILE NO. SVM-02009 8-2. Installation Diagram of Indoor and Outdoor Units For installation of the indoor unit, use the Paper pattern, which is inside the package box cover. (Under Ceiling Installation) (Console Installation) Hook Installation plate Pipe shield Mounting screw Before install the wireless remote control Wireless remote... -
Page 32: Installation
FILE NO. SVM-02009 8-3. Installation 8-3-1. Optional installation parts Part Parts name Q'ty Code Refrigerant piping Liquid side : ∅6.35 mm each : ∅12.70 mm Gas side Pipe insulating material (polyethylene foam, 6 mm thick) Putty, PVC tapes each <Fixing bolt arrangement of outdoor unit> RAS-18UAH-ES, RAS-18UA-ES 600 mm Air inlet... - Page 33 FILE NO. SVM-02009 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 s x 2 Installation plate x 1 Filter frame x 2 Drain nipple x 1 (Packaged with Wireless remote control x 1 Zeolite filter x 1 the outdoor unit)
- Page 34 FILE NO. SVM-02009 8-3-3. Installation/Servicing tools <Changes in the product and components> In the case of an air conditioner using R-410A, 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 35: Indoor Unit
FILE NO. SVM-02009 8-4. Indoor Unit <Remote control usage> • Under Ceiling Installation 8-4-1. Installation place • A place which provides the spaces around the Ceiling indoor unit as shown in the above diagram. • A place where there is no obstacle near the air inlet and outlet. - Page 36 FILE NO. SVM-02009 8-4-2. Before installation 8-4-3. After installation <Remove the Air inlet grille> <Install the Air inlet grille> 1. Open the Air inlet grille with both hands. 1. Insert the three Panel arms on the Air inlet grille and 2.
- Page 37 FILE NO. SVM-02009 8-4-4. Under ceiling installation <Install the indoor unit> 1. Remove the Side covers and the Installation plate For the installation of the indoor unit, use the Paper pattern, which is inside the package box cover. 2. Insert the Suspension bolts into the metal fittings of <Install the Suspension bolts>...
- Page 38 FILE NO. SVM-02009 • Rear side piping with Drain hose. (Recommended <Piping and Drain hose installation> direction) • The piping direction can be 4 ways as illustrated. • The Drain hose is only one way. Ceiling Upper piping 175 mm or more Rear piping hole ∅80 140 mm...
- Page 39 FILE NO. SVM-02009 8-4-5. Console installation <Install the indoor unit> • Install the Installation plate 1 at the wall according to • Select the terminal of Selector-SW from [C position] to the Paper pattern. [F position]. • Hang the indoor unit on the hooks of the Installation plate 1.
- Page 40 FILE NO. SVM-02009 <Piping and Drain hose installation> 8-4-6. Wiring connection • The piping direction can be the following 3 ways with <How to connect the connecting cable> the Drain hose. Terminal cover • Each piping direction should be connected with the Screws Flexible pipe ".
- Page 41 FILE NO. SVM-02009 8-4-7. Pipe shield for flare nut connection 8-4-8. Drainage 1. Run the Drain hose sloping downward. Joints in liquid and gas pipes of the indoor unit should be insulated with an attached Pipe shield #. NOTE: • The hole should be made at a slight downward slant <How to install the Pipe shield>...
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Page 42: Outdoor Unit
FILE NO. SVM-02009 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 43 FILE NO. SVM-02009 <Tightening connection> 8-5-3. Evacuating Align the centers of the connecting pipes and tighten After the piping has been connected to the indoor unit, the flare nut as far as possible with your fingers. Then you can perform the air purge together at once. tighten the nut with a spanner and torque wrench as shown in the figure.
- Page 44 FILE NO. SVM-02009 <Stripping length of connecting cable> TO CHARGE REFRIGERANT Terminal block Terminal block RAS-18UFHP-ES / 18UAH-ES RAS-24UFHP-ES / 24UAH-ES RAS-18UFP-ES / 18UA-ES RAS-24UFP-ES / 24UA-ES No need to charge 15 m or less 15 m or less Earth line...
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Page 45: How To Set Remote Control Selector Switch
FILE NO. SVM-02009 2. Set the remote control selector switch with the 8-6. How to Set Remote Control Selector remote control Switch When two indoor units ae installed in seperated rooms, [B] is indicated on the liquid crystal display when there is no need to change the selector switch. -
Page 46: How To Use Drain Pump Kit Of Option
FILE NO. SVM-02009 8-7. How to Use Drain Pump Kit of Option 8-8. Others In the case of upward drainage from the unit (Under 8-8-1. Gas leak test ceiling installation). It is necessary to use Drain pump Electric parts cover kit of option parts. -
Page 47: Troubleshooting Chart
FILE NO. SVM-02009 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 4 If there is no trouble corresponding to 9-2, check cables. -
Page 48: Primary Judgement
FILE NO. SVM-02009 9-3-2. Failure diagnosis 9-3. Primary Judgement 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 49: Self-Diagnosis By Remote Control (Check Code)
FILE NO. SVM-02009 9-4. Self-Diagnosis by Remote Control (Check Code) (1) If the lamps are indicated as shown B to H 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 50 FILE NO. SVM-02009 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 51: How To Diagnose Faulty Parts
FILE NO. SVM-02009 9-5. How to Diagnose Faulty Parts Operation Check item Conceivable principle cause [04 Serial signal error] Measure Item by symptoms Does outdoor unit operate? Connect crossover Are 1, 2 and 3 crossover wires properly. wires connected properly? Connect crossover Is connector properly. - Page 52 FILE NO. SVM-02009 [09 Other cycle error] (1) Does compressor operate? Does inner Check charged amount of refrigerant. overload relay Is compressor Check defective overload. (in compressor) turned off shortly? Check compressor. operate? Is TC sensor Failure Replace resistance value compressor.
- Page 53 FILE NO. SVM-02009 [0C Indoor TA sensor error] Connect CN03 Is CN03 (TA sensor connector) 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] Connect CN01 Is CN01 (TC sensor connector) properly.
- Page 54 FILE NO. SVM-02009 [19 outdoor TD sensor error] Connect connector Is TD sensor properly. connected properly? Is TD sensor resistance value Replace TD sensor. (50 kΩ at 25°C) normal? Indoor P.C. board is defective. Replace P.C. board. [1E Discharge temp. error] Is protective controller Are wires connected to Connect wires to...
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Page 55: Troubleshooting For Indoor Unit
FILE NO. SVM-02009 9-6. Troubleshooting for Indoor Unit Operation 9-6-1. Power can not be turned on. (The unit does not operate at all.) Check item <Primary check> (1) Is the supply voltage normal? Conceivable principle (2) Is the connection to the AC output OK? cause (3) Are the connection of the primary side and the secondary side of the power transformer inserted into the P.C. - Page 56 FILE NO. SVM-02009 9-6-2. Only indoor fan motor does not operate. Shut off the power supply once. Turn the power supply. Does the fan stop in Control P.C. board is defective. Replace the P.C. board. no operating status? Start the operation with low fan setting in cool operation.
- Page 57 FILE NO. SVM-02009 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? <Inspection procedure> -Cooling only model- Turn on power supply. Refer to 9-6-1 Does OPERATION “Power can not be lamp blink?
- Page 58 FILE NO. SVM-02009 <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 Is it possible to start “Troubleshooting for unit by remote control? Remote Control”.
- Page 59 FILE NO. SVM-02009 Rewire or replace Are all of compressor defective cords. cords normal? Is compressor motor Compressor is Replace compressor. winding normal? defective. (Check winding resistor.) Capacitor is Is capacitor for Replace capacitor. defective. compressor normal? Overload relay is Replace overload relay.
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Page 60: Troubleshooting For Wiring (Interconnect Cable And Serial Signal Wire)
FILE NO. SVM-02009 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-02009 9-8. Troubleshooting for P.C. Board <Inspection procedure> (1) If the P.C. board is detective, check for 9-8-1. How to check indoor P.C. board disconnection, burn or discoloration of the copper <Cautions for handling P.C. board> foil pattern of the P.C. board. (2) The P.C. - Page 62 FILE NO. SVM-02009 Procedure Check points Causes If the above condition (No. 6) still 1. Check whether or not the 1. The temperature of the indoor continues, start the unit in the compressor operates. heat exchanger is extremely high. following condition. 2.
- Page 63 FILE NO. SVM-02009 9-8-3. How to check outdoor P.C. board When the check code is detected on the outdoor unit, the following lamps are indicated on the LED display and the Dip switch (DSW01). Table 9-8-3 LED display and check code switch 1 Red 2 Yellow...
- Page 64 FILE NO. SVM-02009 9-8-4. P.C. board layout Top View Bottom View – 63 –...
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Page 65: Troubleshooting For Remote Control
FILE NO. SVM-02009 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 66: Parts Replacement
FILE NO. SVM-02009 10. PARTS REPLACEMENT 10-1. Indoor Unit Part name Procedures Remarks Air Inlet grille <How to remove the Air inlet grille> 1) Stop the operation of the Air conditioner and turn off its main power supply. 2) Open the Air inlet grille with both hands. Air inlet grille 3) Unfasten 3 screws (about two to three rounds) for fixing the Panel arms. - Page 67 FILE NO. SVM-02009 Part name Procedures Remarks Front panel <How to remove the Front panel> 1) Remove the Air inlet grille. (1) 2) In case of the Drain hose is installed through the Front panel. : Remove the Drain band from the Front panel.
- Page 68 FILE NO. SVM-02009 Part name Procedures Remarks Front panel 6) Remove both side hooks and remove the Hook Front panel by turn to air inlet part direction. <How to install the Front panel> 1) In case of the Drain hose installation through the Front panel, install the opening base for piping in the Back body by a screw (M4 x 12).
- Page 69 FILE NO. SVM-02009 Part name Procedures Remarks Drain pan Screw 7) Remove 7 screws and remove the Drain assembly pan assembly. Drain Pan Screw Electrical parts <How to remove the Electrical parts assembly> assembly 1) Remove the Air inlet grille, the Front panel Refrigeration TC sensor assembly...
- Page 70 FILE NO. SVM-02009 Part name Procedures Remarks Refrigeration 7) Remove 2 screws and remove the assembly refrigeration assembly with pushing it to right hand. 2 Screws <How to remove the Multiblade fan and Multiblade fan Fan cover and Fan motor Fan motor>...
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Page 71: Outdoor Unit (Ras-18Uah-Es, Ras-18Ua-Es)
FILE NO. SVM-02009 10-2. Outdoor Unit (Heat pump: RAS-18UAH-ES) (Cooling: RAS-18UA-ES) Part name Procedures Remarks 1) Stop the operation of the air conditioner Common procedure and turn off its main power supply or remove the power supply wires. Electrical parts cover 2) Remove the electrical parts cover. - Page 72 FILE NO. SVM-02009 10-3. Outdoor Unit (Heat pump: RAS-24UAH-ES) (Cooling: RAS-24UA-ES) Part name Procedures Remarks 1) Stop the operation of the air conditioner Common Top cabinet procedure and turn off its main power supply or remove the power supply wires. Electrical parts 2) Remove the electrical parts cover.
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Page 73: Exploded Views And Parts List
Description Description 43T69311 PC Board (RAS-24UFHP-ES) 43T69315 Display unit 43T69312 PC Board (RAS-24UFP-ES) 43T50302 Temperature sensor 43T69313 PC Board (RAS-18UFHP-ES) 43T69311 PC Board (RAS-24UFHP-ES) 43T69314 PC Board (RAS-18UFP-ES) 43T69312 PC Board (RAS-24UFP-ES) 43T50004 Temperature sensor 43T69313 PC Board (RAS-18UFHP-ES) 43T60002 Terminal... -
Page 74: Indoor Unit
43T62303 Connector Cover 43T20304 Motor Band Assy 43T83003 Remote control Holder 43T20305 Multiblade Fan 43T69309 Wireless Remote control 43T19309 Screw Set (D-T) (RAS-18UFHP-ES, RAS-24UFHP-ES) 43T21325 Fan Motor 43T69310 Wireless Remote control 43T72301 Drain Pan Assy (RAS-18UFP-ES, RAS-24UFP-ES) 43T79304 Drain Hose Assy 43T85335 Owner’s Manual (Heat) -
Page 75: Outdoor Unit (Ras-18Uah-Es)
FILE NO. SVM-02009 11-3. Outdoor Unit (RAS-18UAH-ES) Location Part Location Part Description Description 43T47308 Capillary Tube, 1.0Dia. 43005144 Front Cabinet 43T00005 Back Cabinet 43T47014 Capillary Tube, 1.7Dia. 43T00004 Side Cabinet 43T49011 Base, Spring, A 43T49012 Base, Spring, B 43042446 Base 43T49019 Spring, Buffer 43T00011 Packed Valve Plate 43T19007 Fan Guard... -
Page 76: Outdoor Unit (Ras-18Ua-Es)
FILE NO. SVM-02009 11-4. Outdoor Unit (RAS-18UA-ES) Location Part Location Part Description Description 43005144 Front Cabinet 43T47020 Bonnet, 6.35Dia. 43T00005 Back Cabinet 43T46307 Valve Packed 12.7Dia. 43T00004 Side Cabinet 43T47018 Bonnet, 12.7Dia. 43042446 Base 43T47014 Capillary Tube, 1.7Dia. 43T00011 Packed Valve Plate 43T49011 Base, Spring, A 43T19007 Fan Guard 43T49012 Base, Spring B... -
Page 77: Outdoor Unit (Ras-24Uah-Es)
FILE NO. SVM-02009 11-5. Outdoor Unit (RAS-24UAH-ES) Location Part Location Part Description Description 43T00024 Panel, Air Outlet 43T62015 Protector, Cord 43T00025 Panel, Front 43T49011 Base, Spring, A 43T00026 Panel, Side 43T49012 Base, Spring, B 43T42002 Base Assembly 43T49019 Spring, Buffer 43T19012 Guard, Fin 43T21306 Motor, Fan, AC 220 –... -
Page 78: Outdoor Unit (Ras-24Ua-Es)
FILE NO. SVM-02009 11-6. Outdoor Unit (RAS-24UA-ES) Location Part Location Part Description Description 43T00024 Panel, Air Outlet 43T41310 Compressor, PA290X3F-4MS 43T00025 Panel, Front 43T62014 Protector, Cord 43T00026 Panel, Side 43T62015 Protector, Cord 43T42002 Base Assembly 43T49011 Base, Spring, A 43T19012 Guard, Fin 43T49012 Base, Spring, B 43T19011 Guard, Fan 43T49019 Spring, Buffer... - Page 79 FILE NO. SVM-02009 TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000,THAILAND. – 78 –...