Table of Contents
Troubleshooting
Related Manuals for Toshiba RAS-18GFHP-ES2
Summary of Contents for Toshiba RAS-18GFHP-ES2
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Page 1: Service Manual
FILE NO. SVM-06021 SERVICE MANUAL AIR-CONDITIONER UNDER CEILING / CONSOLE TYPE RAS-18GFHP-ES2 / RAS-18GAH-ES2 RAS-18GFP-ES2 / RAS-18GA-ES2 RAS-24GFHP-ES2 / RAS-24GAH-ES2 RAS-24GFP-ES2 / RAS-24GA-ES2 18 Class 24 Class June, 2006... -
Page 2: Table Of Contents
3-1 RAS-18GFHP-ES2 / RAS-18GAH-ES2 3-2 RAS-24GFHP-ES2 / RAS-24GAH-ES2 3-3 RAS-18GFP-ES2 / RAS-18GA-ES2 3-4 RAS-24GFP-ES2 / RAS-24GA-ES2 4. SPECIFICATION OF ELECTRICAL PARTS 4-1 Indoor Unit (RAS-24GFHP-ES2, RAS-18GFHP-ES2) 4-2 Outdoor Unit (RAS-24GAH-ES2) 4-3 Outdoor Unit (RAS-18GAH-ES2) 4-4 Indoor Unit (RAS-24GFP-ES2, RAS-18GFP-ES2) 4-5 Outdoor Unit (RAS-24GA-ES2) 4-6 Outdoor Unit (RAS-18GA-ES2) 5. - Page 3 FILE NO. SVM-06021 8. INSTALLATION PROCEDURE 8-1 Safety Cautions 8-2 Installation Diagram of Indoor and Outdoor Units 8-3 Installation 8-4 Indoor Unit 8-5 Outdoor unit 8-6 How to Set Remote Control Selector Switch 8-7 How to Use Drain Pump Kit of Option 8-8 Others 9.
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Page 4: Specifications
FILE NO. SVM-06021 1. SPECIFICATIONS RAS-18GFHP-ES2 RAS-18GFP-ES2 RAS-24GFHP-ES2 RAS-24GFP-ES2 MODEL RAS-18GAH-ES2 RAS-18GA-ES2 RAS-24GAH-ES2 RAS-24GA-ES2 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 5.30 5.35 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-18GFHP-ES2 / RAS-18GAH-ES2 RAS-24GFHP-ES2 / RAS-24GAH-ES2 Refrigerant RAS-18GFP-ES2 / RAS-18GA-ES2 RAS-24GFP-ES2 / RAS-24GA-ES2 No need to charge 15m or less...
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Page 6: Construction Views
FILE NO. SVM-06021 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 (24 Class)
FILE NO. SVM-06021 2.2 Outdoor Unit (24 Class) 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... -
Page 8: Outdoor Unit (18 Class)
FILE NO. SVM-06021 2.3 Outdoor Unit (18 Class) Ø6 hole R5.5 Ø6 hole Ø11x14 hole A detail Drawing (Back leg) Ø 11 x 14 Hole Ø 25 Drain outlet B Detail Drawing (Front leg) (For 8 - 10 anchor bolt) Ø... -
Page 9: Wiring Diagram
FILE NO. SVM-06021 3. WIRING DIAGRAM 3-1. RAS-18GFHP-ES2 / RAS-18GAH-ES2 INFRARED RA YS RECEIVE AND INDICA TION P AR TS LOUVER 1 2 3 4 5 6 7 8 9 MOT OR CN25 BR W 1 2 3 4 5 6... -
Page 10: Ras-24Gfhp-Es2 / Ras-24Gah-Es2
FILE NO. SVM-06021 3-2. RAS-24GFHP-ES2 / RAS-24GAH-ES2 INFRARED RA YS RECEIVE AND INDICA TION P AR TS LOUVER 1 2 3 4 5 6 7 8 9 MOT OR CN25 BR W 1 2 3 4 5 6 7 8 9 COLOR IDENTIFICA TION 6 5 4... -
Page 11: Ras-18Gfp-Es2 / Ras-18Ga-Es2
FILE NO. SVM-06021 3-3. RAS-18GFP-ES2 / RAS-18GA-ES2 OR N INF R AR E D R AY S R E C E IV E R E D AND INDIC AT ION PAR T S P NK LOUV E R Y E L 1 2 3 4 5 6 7 8 9... -
Page 12: Ras-24Gfp-Es2 / Ras-24Ga-Es2
FILE NO. SVM-06021 3-4. RAS-24GFP-ES2 / RAS-24GA-ES2 INFRARED RA YS RECEIVE AND INDICA TION P AR TS LOUVER 1 2 3 4 5 6 7 8 9 MOT OR CN25 BR W 1 2 3 4 5 6 7 8 9 COLOR IDENTIFICA TION 6 5 4... -
Page 13: Specifications
FILE NO. SVM-06021 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit (RAS-24GFHP-ES2, RAS-18GFHP-ES2) 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... -
Page 14: Outdoor Unit (Ras-18Gah-Es2)
FILE NO. SVM-06021 4-3. Outdoor Unit (RAS-18GAH-ES2) Parts name Type Specifications Output (Rated) 1500W, 2poles, 1 phase, 220 − 240V, 50Hz Compressor PA225X2CS-4KU1 Winding resistance (Ω) Red-Black White-Black (at 20°C) 1.54 2.48 Output (Rated) 42W, 4poles, 1 phase, 220 – 240V, 50Hz Fan motor (for outdoor) FG-240-42A-1 Winding resistance (Ω) -
Page 15: Outdoor Unit (Ras-24Ga-Es2)
FILE NO. SVM-06021 4-5. Outdoor Unit (RAS-24GA-ES2) Parts name Type Specifications Output (Rated) 2200W, 2poles, 1 phase, 220 − 240V, 50Hz Compressor PA290X3CS-4MU1 Winding resistance (Ω ) Red-Black White-Black (at 20°C) 1.13 2.10 Output (Rated) 42W, 4poles, 1 phase, 220 − 240V, 50Hz Fan motor (for outdoor) FG-240-42A Winding resistance (Ω) -
Page 16: Refrigeration Cycle Diagram
FILE NO. SVM-06021 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-18GFHP-ES2 / RAS-18GAH-ES2 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-18Gfp-Es2 / Ras-18Ga-Es2
FILE NO. SVM-06021 5-2. RAS-18GFP-ES2 / RAS-18GA-ES2 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) Compressor PA225X2CS-4KU1 Capillary tube ∅1.7x400S Condenser... -
Page 18: Ras-24Gfhp-Es2 / Ras-24Gah-Es2
FILE NO. SVM-06021 5-3. RAS-24GFHP-ES2 / RAS-24GAH-ES2 Indoor unit Heat exchanger 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) Gas container connection (Reinstall etc.) Heating Cooling 4-way valve Heating Cooling Compressor PA290X3CS-4MU1 Main... -
Page 19: Ras-24Gfp-Es2 / Ras-24Ga-Es2
FILE NO. SVM-06021 5-4. RAS-24GFP-ES2 / RAS-24GA-ES2 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 ∅2.0x900S... -
Page 20: Control Block Diagram
FILE NO. SVM-06021 6. CONTROL BLOCK DIAGRAM 6-1. RAS-18GFHP-ES2, RAS-24GFHP-ES2 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-18Gfp-Es2, Ras-24Gfp-Es2
FILE NO. SVM-06021 6-2. RAS-18GFP-ES2, RAS-24GFP-ES2 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
FILE NO. SVM-06021 7. OPERATION DESCRIPTION • Turning off the compressor and outdoor fan 7-1. Outline of Air Conditioner Contr when the outdoor unit receives the shutdown This is a fix ed capacity type air conditioner, which uses command a AC motor for an indoor fan. The AC motor driv •... -
Page 23: Description Of Operation Circuit
FILE NO. SVM-06021 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-06021 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-18GFHP-ES2 RAS-18GFP-ES2 RAS-24GFHP-ES2 RAS-24GFP-ES2 *5 and *6: Fig. 7-2-9 Table 7-2-1... -
Page 26: Hi Power Mode
FILE NO. SVM-06021 7-3. Hi PO WER Mode 7-4. High-Temperature Limit Control *Heat pump model only ([Hi PO WER] b utton on the remote contr ol is pressed.) The microcontroller detects the indoor heat exchanger temperature to prevent pressure of a refrigerating cycle When [Hi PO WER] b utton is pressed while the indoor... - Page 27 FILE NO. SVM-06021 7-6-1. Defrost starting condition 7-6-2. Defrost finish condition. 1) If Te ≥ 3°C at least 60 sec -->4 way value on. A-Zone : If -10°C > Teo ≥ − 18°C, defrost will 2) If Te ≥ 8°C --> 4 way value on. start when.
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Page 28: Auto Restart Function
FILE NO. SVM-06021 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-06021 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: Self-Cleaning Function
FILE NO. SVM-06021 7-9. Self-Cleaning function Self-Cleaning function is designed to reduce humidity that causes mold to form inside the air conditioning unit. This advanced, efficient system reduces moisture in the coil. When air conditioner is turned off, the internal fan activates and dries the moisture in the coil for 20 minutes, then it turns off automatically. -
Page 31: Quiet Mode
FILE NO. SVM-06021 7-10. QUIET Mode 7-11-1. Cooling mode • The fan speed of indoor unit operates automatically, Quiet mode is the system which, control the it relates with the compressor's operation. revolving speed of indoor fan to work constantly at lower than speed L. -
Page 32: Installation Procedure
FILE NO. SVM-06021 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 33 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 34: Installation Diagram Of Indoor And Outdoor Units
FILE NO. SVM-06021 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 35: Installation
FILE NO. SVM-06021 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> 109 mm 124 mm Air inlet... - Page 36 FILE NO. SVM-06021 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 Bio-enzyme &...
- Page 37 FILE NO. SVM-06021 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 38: Indoor Unit
FILE NO. SVM-06021 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 39 FILE NO. SVM-06021 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 40 FILE NO. SVM-06021 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 41 FILE NO. SVM-06021 • 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 42 FILE NO. SVM-06021 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 43 FILE NO. SVM-06021 <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 44 FILE NO. SVM-06021 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 45: Outdoor Unit
FILE NO. SVM-06021 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 46 FILE NO. SVM-06021 <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 47 FILE NO. SVM-06021 <Stripping length of connecting cable> TO CHARGE REFRIGERANT Terminal block RAS-18GFHP-ES2 / 18GAH-ES2 RAS-24GFHP-ES2 / 24GAH-ES2 RAS-18GFP-ES2 / 18GA-ES2 RAS-24GFP-ES2 / 24GA-ES2 No need to charge 15 m or less 15 m or less refrigerant Need to charge...
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Page 48: How To Set Remote Control Selector Switch
FILE NO. SVM-06021 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 49: How To Use Drain Pump Kit Of Option
FILE NO. SVM-06021 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 kit of option parts. By using a Drain pump kit, it Flare nut connections (Indoor unit) becomes possible to raise 300 mm from a ceiling side. -
Page 50: Troubleshooting Chart
FILE NO. SVM-06021 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 51: Primary Judgement
FILE NO. SVM-06021 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 52: Self-Diagnosis By Remote Control (Check Code)
FILE NO. SVM-06021 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 53 FILE NO. SVM-06021 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 54: How To Diagnose Faulty Parts
FILE NO. SVM-06021 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 55 FILE NO. SVM-06021 [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 56 FILE NO. SVM-06021 [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 57 FILE NO. SVM-06021 [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 58: Troubleshooting For Indoor Unit
FILE NO. SVM-06021 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 59 FILE NO. SVM-06021 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 60 FILE NO. SVM-06021 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 61 FILE NO. SVM-06021 <Inspection procedure> - Colling 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? Replace P.C.
- Page 62 FILE NO. SVM-06021 <Inspection procedure) - Heating model - AC 70-100V Replace transformer outdoor P.C. board. − 61 −...
- Page 63 FILE NO. SVM-06021 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 64: Troubleshooting For Wiring (Interconnect Cable And Serial Signal Wire)
FILE NO. SVM-06021 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 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: Measure the voltage for 2 minutes and 30 seconds after starting the unit. -
Page 65: Troubleshooting For P.c. Board
FILE NO. SVM-06021 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 66 FILE NO. SVM-06021 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 67 FILE NO. SVM-06021 9-8-4. P.C. board layout Top View Bottom View – 66 –...
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Page 68: Troubleshooting For Remote Control
FILE NO. SVM-06021 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 69: Parts Replacement
FILE NO. SVM-06021 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 70 FILE NO. SVM-06021 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 71 FILE NO. SVM-06021 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 72 FILE NO. SVM-06021 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 73 FILE NO. SVM-06021 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 Fan motor> and Fan motor 1) Remove the Air inlet grille and the Front panel.
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Page 74: Outdoor Unit (Ras-24Gah-Es2, Ras-24Ga-Es2)
FILE NO. SVM-06021 10-2. Outdoor Unit (RAS-24GAH-ES2, RAS-24GA-ES2) Part name Procedures Remarks Top cabinet 1) Stop the operation of the air conditioner and turn off Front cabinet its main power supply or remove the power supply cord. 2) Remove the packed valve cover and the electrical parts cover (2 screws ∅... - Page 75 FILE NO. SVM-06021 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 terminal. Spark killer Running capacitor for compressor 1) Perform the common procedure 1 Running...
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Page 76: Outdoor Unit (Ras-18Gah-Es2, Ras-18Ga-Es2)
FILE NO. SVM-06021 10-3 Outdoor Unit (RAS-18GAH-ES2, RAS-18GA-ES2) Part name Procedures Remarks 2 screws ∅ 4 x 10L Common 1) Stop the operation of the air conditioner and turn off procedure its main power supply or remove the power supply cord. -
Page 77: Exploded Views And Parts List
43T69560 PC BOARD (FOR RAS-24GFHP-ES2) 43T69315 DISPLAY UNIT 43T69561 PC BOARD (FOR RAS-24GFP-ES2) 43T50302 TEMPERATURE SENSOR 43T69562 PC BOARD (FOR RAS-18GFHP-ES2) 43T69560 PC BOARD (FOR RAS-24GFHP-ES2) 43T69563 PC BOARD (FOR RAS-18GFP-ES2) 43T69561 PC BOARD (FOR RAS-24GFP-ES2) 43T50004 SENSOR; HEAT EXCHANGER... -
Page 78: Indoor Unit
11-2. Indoor Unit Location Part Location Part Description Description 43T09379 AIR-GRILLE 43T44319 REFRIGERATION ASSY 43T00357 PANEL ARM ASSY (FOR RAS-18GFHP-ES2,GFP-ES2) 43T00431 FRONT PANEL ASSY 43T03344 BACK BODY ASSY (FOR RAS-18,24GFP-ES2) 43T09314 VERTICAL LOUVER 43T00432 FRONT PANEL ASSY 43T49303 PIPE HOLDER (FOR RAS-18,24GFHP-ES2) -
Page 79: Outdoor Unit (Ras-24Gah-Es2)
FILE NO. SVM-06021 11-3. Outdoor Unit (RAS-24GAH-ES2) Location Part Location Part Description Description 43T42324 BASE PLATE ASSEMBLY 43T19330 PACKED VALVE COVER 43T41397 COMPRESSOR;PA290X3CS-4MU 43T00455 UPPER CABINET 43T49011 SPRING BASE(UPPER) 43T96305 BUSHING 43T49012 SPRING BASE (LOWER) 43T62325 ELECTRIC PART COVER 43T49019 SPRING;... -
Page 80: Outdoor Unit (Ras-18Gah-Es2)
FILE NO. SVM-06021 11-4. Outdoor Unit (RAS-18GAH-ES2) Location Part Location Part Description Description 43T42324 BASE PLATE ASSEMBLY 43T39317 MOTOR BASE CONNECTION PLATE 43T41396 COMPRESSOR;PA225X2C-4KU1 43T39318 MOTOR BASE 43T49011 SPRING BASE(UPPER) 43T19330 PACKED VALVE COVER 43T49012 SPRING BASE (LOWER) 43T00460 UPPER CABINER ASSEMBLY 43T49019 SPRING;... -
Page 81: Outdoor Unit (Ras-24Ga-Es2)
FILE NO. SVM-06021 11-5. Outdoor Unit (RAS-24GA-ES2) Location Part Location Part Description Description 43T42324 BASE PLATE ASSEMBLY 43T19329 FAN GUARD 43T41397 COMPRESSOR;PA290X3CS-4MU 43T04302 PARTITION 43T49011 SPRING BASE(UPPER) 43T39317 MOTOR BASE CONNECTION PLATE 43T49012 SPRING BASE (LOWER) 43T39318 MOTOR BASE 43T49019 SPRING;... -
Page 82: Outdoor Unit (Ras-18Ga-Es2)
FILE NO. SVM-06021 11-6. Outdoor Unit (RAS-18GA-ES2) Location Part Location Part Description Description 43T42324 BASE PLATE ASSEMBLY 43T47001 NUT FLANGE 43T41396 COMPRESSOR;PA225X2C-4KU1 43T19329 FAN GUARD 43T49011 SPRING BASE(UPPER) 43T04301 PARTITION 43T49012 SPRING BASE (LOWER) 43T39317 MOTOR BASE CONNECTION PLATE 43T49019 SPRING;... - Page 83 FILE NO. SVM-03009(1) TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000,THAILAND. – 75 –...
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