Toshiba RAS-18S2A-E Service Manual Download Page 1

Page: 1 / 73

Revised May, 2008

FILE NO. SVM-

08032-1

SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE

24 Class

18 Class

RAS-18SKPX / RAS-18S2AX

RAS-24SKPX / RAS-24S2AX

RAS-18SKPX-V / RAS-18S2AX-V

RAS-18SKP-E / RAS-18S2A-E

RAS-24SKP-E / RAS-24S2A-E

Summary of Contents for RAS-18S2A-E

Page 1: ...ay 2008 FILE NO SVM 08032 1 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE 24 Class 18 Class RAS 18SKPX RAS 18S2AX RAS 24SKPX RAS 24S2AX RAS 18SKPX V RAS 18S2AX V RAS 18SKP E RAS 18S2A E RAS 24SKP E RAS 24S2A E ...

Page 2: ... RAS 24SKP E Outdoor Unit RAS 24S2AX RAS 24S2A E 5 REFRIGERATION CYCLE DIAGRAM 5 1 5 2 RAS 18SKPX RAS 18S2AX RAS 18SKPX V RAS 18S2AX V RAS 24SKPX RAS 24S2AX RAS 24SKP E RAS 24S2A E 6 CONTROL BLOCK DIAGRAM 7 OPERATION DESCRIPTION 7 2 Outline of Air Conditioner Control 7 3 Description of Operation Circuit 7 4 Description of Safety and Reliability Prevention Function 7 5 One Touch Operation 7 6 Hi PO...

Page 3: ...ote Control Check Code 9 5 Troubleshooting for Indoor Unit 9 6 Troubleshooting for Wiring Interconnect cable and Serial Signal Wire 9 7 Troubleshooting for P C Board 9 8 Troubleshooting for Remote Control 10 PARTS REPLACEMENT 10 1 Indoor Unit 10 2 10 3 Outdoor Unit RAS 18S2AX RAS 18S2AX V RAS 18S2A E Outdoor Unit RAS 24S2AX RAS 24S2A E 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy...

Page 4: ...tion type Flare connection pipe Maximum length m 15 1 One way 20 2 Maximum height m 8 difference INDOOR UNIT RAS 18SKPX RAS 18SKP E RAS 18SKPX V Height mm 320 Dimensions Width mm 1050 Depth mm 228 Net weight kg 14 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 900 Air volume Medium fan m3 h 800 Low fan m3 h 700 Fan motor output W 30 Air filter Honeycomb woven filter with ...

Page 5: ...nnection Connection type Flare connection pipe Maximum length m 15 1 One way Maximum height m 10 difference INDOOR UNIT RAS 24SKPX RAS 24SKP E Height mm 320 Dimensions Width mm 1050 Depth mm 228 Net weight kg 13 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 1100 Air volume Medium fan m3 h Low fan m3 h Fan motor output W Air filter Honeycomb woven filter with PP frame OUT...

Page 6: ...eed to charge 15 m or less 15 m or less extra refrigerant 2 Need to charge Over 15 m up to 25 m 30 g m Over 15 m up to 20 m 20 g m extra refrigerant Temperature Condition JIS C9612 Cooling Indoor unit inlet air temperature DB 27 C WB 19 C Outdoor unit inlet air temperature DB 35 C WB 24 C RAS 24SKPX RAS 24S2AX RAS 18SKPX V RAS 18S2AX V RAS 24SKP E RAS 24S2A E RAS 18SKP E RAS 18S2A E ...

Page 7: ...ger 8 Hanger Hanger Center line 10 Installation plate outline For stud bold For stud bold Outline of indoor unit 786 72 78 50 50 78 72 Front Panel Grille Inlet Knock out system 50 Knock out system 73 5 50 228 7 Drain hose 0 5m 12 70 Connecting pipe 0 39m Connecting pipe 0 49m 6 35 Flare Hanger For 24 Series Flare 15 88 For 18 Series Flare Hanger 132 19 157 Wireless remote controller 56 Remote cont...

Page 8: ...ical part cover Liquid side Flare 6 35 Ø Ø Gas side Flare 12 7 Service port 4x 11 Long holes For 8 10 anchor bolt Installation dimension Air outlel 100 or more 100 or more 600 or more 600 or more Air intlel Ø Ø Ø Ø6 hole 86 Ø6 hole Ø11x14 hole R15 32 5 A 320 R5 5 36 108 125 50 129 84 5 4 600 320 90 600 90 275 290 550 Ø 436 Z R15 50 36 2 320 342 69 Ø Ø Ø 2 2 Outdoor Unit 18 Class ...

Page 9: ... 36 R15 R5 5 Ø6 hole 32 5 320 86 A 125 108 600 or more Air out let 320 600 Air inlet 4xØ11 Long holes For Ø8 Ø10 anchor bolt Gas side Flare Ø 15 88 Liquid side Flare Ø 6 35 90 600 90 69 342 320 Z 50 36 R15 B Detail Drawing Front leg Ø 436 FAN GUARD 715 290 275 600 or more 84 129 5 4 Electrical part cover 320 306 100 or more 100 or more Installation dimension 2 3 Outdoor Unit 24 Class ...

Page 10: ...1 6 3A 250VAC L01 C25 C26 AC Motor IC03 12V MCU 4 3 1 2 R64 RY02 MCC 5044 COLOR IDENTIFICATION BRW BROWN RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY GRN YEL GREEN YELLOW 3 1 2 i RED GRY RED BLK BLK BLK GRN YEL CHASSIS MAGNETIC CONTACTOR A1 A2 U V W R S T SPARK KILLER FAN MOTOR WHI BLK RED RED CAPACITOR WHI BLK PNK S R C or A or B 3 1 2 CAPACITOR COMPRESSOR RED INDOOR TERMINAL BLOCK OU...

Page 11: ... i RED RED CHASSIS GRY POWER SUPPLY 220 240V 50 Hz SPARK KILLER MAGNETIC CONTACTOR BLK BLK RED A2 A1 52C 1 L1 2 T1 3 L2 4 T2 5 L3 6 T3 COMPRESSOR WHI PNK BLK C S R CAPACITOR CAPACITOR WHI RED FAN MOTOR BLK RED RED 3 1 2 3 1 2 BLK BLK OUTDOOR TERMINAL BLOCK OUTDOOR UNIT GRN YEL ...

Page 12: ...250 V 10 Varistor R62 R63 SR561K14DL 560 V 11 Resistor R64 RF 2TK5R6 5 6Ω 2W 12 Louver motor MP24Z3T Output Rated 2 W 6 poles 1 2 phase DC 12 V 11 FILE NO SVM 08032 4 2 Outdoor Unit RAS 18S2AX RAS 18S2AX V RAS 18S2A E No Parts name Type Specifications Output Rated 1500 W 2 poles 1 phase 220 240V 50 Hz 1 Compressor SHX33SC4 U Winding resistance Ω C R C S at 20 C 1 47 2 88 Output Rated 42 W 6 poles ...

Page 13: ...120 µF 450 V 9 Fuse F01 BET6 3A T6 3 A 250 V 10 Varistor R09 R10 SR561K14DL 560 V 11 Resistor R01 RF 5TK1R8 1 8Ω 5W 12 Louver motor MP24Z3T Output Rated 2 W 6 poles 1 2 phase DC 12 V 4 4 Outdoor Unit RAS 24S2AX RAS S2A E No Parts name Type Specifications Output Rated 2200 W 2 poles 1 phase 220 240V 50Hz 1 Compressor PH400X3CS 4KT1 Winding resistance Ω C R C S at 20 C Output Rated 42 W 4 poles 1 ph...

Page 14: ... 32 23 43 26 Low temperature 0 32 6 5 Low 21 15 21 15 Fan speed indoor 50 Hz Standard pressure P MPaG Cross flow fan Compressor Propeller fan Outdoor unit SHX33SC4 U O D 12 7 mm O D 6 35 mm Packed valve 12 7 Packed valve 6 35 T P Refrigerant R22 1 23 kg 0 39 m Connecting pipe 12 7 0 49 m Connecting pipe 6 35 Mark means check points of Gas Leak Capillary tube 2 0x1100 s Surface temp of heat exchang...

Page 15: ... indoor 50 Hz Standard pressure P MPaG Heat exchanger Indoor unit Cross flow fan Cooling Propeller fan Outdoor unit PH400X3CS 4KT1 Cooling O D 15 88 mm O D 6 35 mm Cooling Gas container connection Reinstall etc Packed valve 6 35 Packed valve 15 88 0 39 m Connecting pipe 1 5 88 0 49 m Connecting pipe 6 35 T P Refrigerant R22 1 86 kg Compressor Mark means check points of Gas Leak Capillary tube 2 0x...

Page 16: ...mpressor Motor Revolution Control Processing Timer Louver ON OFF Signal Louver Driver Operation Display Timer Display Filter Sign Display Fan Only Sign Display Indoor Fan Motor Hi Power Sign Display Louver Motor Infrared Rays Remote Control Temperature Processing Operation Operation Remote Control Operation Mode Selection AUTO COOL DRY FAN ONLY Temperature Setting Fan Speed Selection ON TIMER Sett...

Page 17: ...utton CLR 20 12 Memory and Preset button PRESET One Touch button ONE TOUCH High power button Hi POWER Economy button ECO 21 Quiet button QUIET Comfort sleep button COMFORT SLEEP Filter reset button FILTER Clock Reset button CLOCK Check button CHK 1 2 9 7 1 Remote control 7 1 1 Function of Push Putton 18 17 16 15 14 13 20 19 13 PRESET ONE TOUCH QUIET SWING TIMER ON FILTER CHK CLOCK OFF CLR SLEEP SE...

Page 18: ... pressed during operation 8 ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press it again to stop operation 9 A B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller setting is A there is no indication at this position Indicates when comfort sleep is act...

Page 19: ...e indoor unit and operates the outdoor fan motor and the compressor 1 Role of indoor unit controller The indoor unit controller receives the operation commands from the remote control and executes them Temperature measurement at the air inlet of the indoor heat exchanger by the indoor temperature sensor Temperature measurement of the indoor heat exchanger by the heat exchanger sensor Louver motor ...

Page 20: ... button on the remote control is set to the cooling operation 1 The compressor outdoor fan and operation display lamp are controlled as shown in Fig 7 3 2 Fig 7 3 2 2 When FAN button is set to AUTO the indoor fan motor operates as shown in Fig 7 3 3 When FAN button is set to LOW LOW MED MED or HIGH the motor operates with a constant air flow 1 2 3 3 2 5 2 1 5 1 0 5 0 5 0 M Preset temp C Room temp ...

Page 21: ... 6min OFF 4min ON 5min OFF 5min display lamp Room temp Preset temp Room temp Preset temp 1 Preset temp Compressor Outdoor fan Indoor fan L S L S L L L S L L ON ON ON ON OFF OFF OFF Super Low C 7 3 4 Automatic operation MODE button on the remote control is set to the automatic operation 1 One of 2 operations Cooling or Fan only is selected according to difference between the preset temperature and ...

Page 22: ...he 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 Operation description When an indoor unit receives One Touch Comfort Signal from the remote controller the indoor unit operates as following 1 Air conditioner starts to oper...

Page 23: ...ture by 3 5 C or more the air conditioner operates at higher consecutive airflow level If the room temperature is higher than the setting temperature by less than 3 5 C the air conditioner operates at normal airflow level 3 The Hi POWER mode can not be set in Dry or Fan only operation The indoor unit s fan speed level increase 1 tap 7 7 QUIET Operation When the QUIET button is pressed the fan of t...

Page 24: ...eset temperature on the Press the COMFORT SLEEP button to select this function The comfort sleep function will be Period of operation time can be selected by re press the COMFORT SLEEP button activate together with Auto shut down function 7 10 FILTER Check lamp When the elapsed time reaches 1000 hours the FILTER indicator lights After cleaning the filters turn off the FILTER indicator How to Turn ...

Page 25: ...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 This function is not set to work when shipped from the factory Therefore it is necessary to...

Page 26: ...te at this time press RESET button once more or use the remote controller to turn it on 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 When the system is on s...

Page 27: ...on of the stop code 3 After the Self Cleaning operation has been performed for the specified period the unit stops operation Unit now performing cooling or dry operation Press STOP button Only timer indicator lights and Self Cleaning operation starts Time set now elapses Operation stops During Self Cleaning operations The louver opens slightly The indoor fan operates continuously at a speed of SL ...

Page 28: ...st 3 seconds but it is not related to Self Cleaning function After holding about 20 seconds the air conditioner will beep 5 times and OPERATION display blinks 5 times The Self Cleaning function had been set Remark Presetting of Self Cleaning function above AUTO RESTART function had been cancelled To set AUTO RESTART again RESET Hi POWER FILTER PAP TIMER OPERATION 7 12 1 Self Cleaning diagram How t...

Page 29: ...ht of the unit Personal injury and property damage can result if the unit falls Before doing the electrical work attach an approved plug to the power supply cord 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...

Page 30: ...ER 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 ...

Page 31: ...er operation Do not allow the drain hose to get slack Make sure to run the drain hose sloped downward Cut the piping hole sloped slightly The auxiliary piping can be connected to the left rear left rear right right bottom right or bottom left Right Rear right Left Bottom right Rear left Bottom left Insulate the refrigerant pipes separately with insulation not together 8 mm thick heat resisting pol...

Page 32: ...quid side 6 35 mm Gas side 12 70 mm 18 series 15 88 mm 24 series Pipe insulating material polyethylene foam 8 mm thick Putty PVC tapes Fig 8 3 1 Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong wind Use 8 mm or 10 mm anchor bolts and nuts Air inlet Air outlet Drain outlet 600 mm 90 mm 125 mm 108 mm 32 5 mm 86 mm 102 mm 320 mm 3 0 Æ 7 mm ...

Page 33: ... x 1 Wireless remote control x 1 Battery x 2 Part name Q ty Remote control holder x 1 Super Oxi Deo filter x 2 Super Sterilizer filter x 2 Part No 4 5 6 Part No 7 8 9 Others Name Owner s manual Installation manual Part name Q ty Mounting screw 4 x 25 x 6 l Pan head wood screw 3 1 x 16 x 2 l Screw 4 x 10 x 2 l ...

Page 34: ...sturbances or noise interference The location of the remote controller should be determined as shown below 8 4 2 Drilling a Hole and Mounting Instal lation Plate Drilling a hole When install the refrigerant pipes from the rear 1 After determining the pipe hole position on the installation plate ð drill the pipe hole Ø65 mm at a slight downward slant to the outdoor side NOTE When drilling into a wa...

Page 35: ...hich discon nects all poles and has a contact separa tion of at least 3 mm must be incorporated in the fixed wiring An approved circuit breaker or switch must be used 2 Connection with power supply plug Attach power supply plug with power cord and plug it into wall outlet An approved power supply cord and plug must be used NOTE Perform wiring work being sure the wire length is long enough 8 4 4 Wi...

Page 36: ... 8 4 10 Fig 8 4 7 FILE NO SVM 08032 1 1 Die cutting front panel slit Cut out the slit on the left or right side of the front panel for the left or right connection and the slit on the bottom left or side of thefront panel for the bottom left or right connection with a pair of nippers 2 Changing drain hose For left connection left bottom connection and rear left connection s piping it is necessary ...

Page 37: ...ding radius of each connection pipe Fig 8 4 15 NOTE If the pipe is incorrectly bent the indoor unit may be unstable on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them To connect the pipe after installation of the unit figure Outer diameter Slit 43 mm Use a screwdriver handle etc To the front fl...

Page 38: ...irm that it is firmly hooked on the installation plate For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing the bottom up at the specified places Fig 8 4 18 Push Push Fig 8 4 17 50 mm or more Do not rise the drain hose Do not form the drain hose into the waved shape Do not put the drain hose end into water Do not put the drain hose end in the drai...

Page 39: ...trong wind like a coast or on a high story of a building secure the normal fan operation using a duct or a wind shield 3 Specially in windy area install the unit to prevent the admission of wind 4 Installation in the following places may result in trouble Do not install the unit in such places A place full of machine oil A saline place such as the coast A place full of sulfide gas A place where hi...

Page 40: ...101 kPa 76 cmHg 5 Close the low pressure side valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both side of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Fig 8 5 6 Use a wrench to secure Unit N m Use a torque wrench to tighten Flare nut Half union Externally threaded side Internally threaded side Flar...

Page 41: ... 10 N m 0 9 to 1 0 kgf m A Hexagonal wrench is required Stripping length of connecting cable CAUTION Wrong wiring connection may cause some electrical parts burn out Be sure to comply with local codes on running the wire from indoor unit to outdoor unit size of wire and wiring method etc Every wire must be connected firmly NOTE Connecting cable Wire type More than 1 5 mm2 H07RN F or 245 IEC66 or 1...

Page 42: ... of remote control for each indoor unit in case of 2 air conditioner are installed nearly the remote control signal simultaneously and operate In this Remote Control B Setup 1 Press RESET button on the indoor unit to turn the air conditioner ON 2 Point the remote control at the indoor unit 3 Push and hold CHK button on the Remote Control by the tip of the pencil 00 will be shown on the display 4 P...

Page 43: ...ontrol is operated in the Dry operation 5 6 7 8 9 No Operation of air conditioner Descriptions The OPERATION lamp blinks to indicate that power is turned on If the button is pressed the lamp stops blinking The indoor fan motor speed is automatically controlled in the Dry operation The compressor has a function that it is not turned off for 3 minutes after it is turned on even though the room tempe...

Page 44: ... 5 Hz E OPERATION lamp is blinking 5 Hz F OPERATION and TIMER lamps are blinking 5 Hz G OPERATION and TIMER or FAN ONLY for cooling only model lamps are blinking Table 9 3 2 Diagnosis by detective operation The remote control does not work The outdoor fan does not rotate Turn off the power supply once then turn it on Try to operate the remote control The compressor operates The compressor does not...

Page 45: ...oor unit will beep once Beep and the display of the remote controller will change as follows The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes to as shown in Table 11 4 1 Press ON or OFF button to change the check code backward If there is a fault the indoor unit will beep for 10 seconds Beep Beep Beep Note the check code on the di...

Page 46: ...m errors The lamp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is defected And it returns to the normal condition when recovering from errors The lamp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is detected 1 Check the indoor thermo sensor T...

Page 47: ...KPX 18SKPX V and 18SKP E C01 C02 SG01 DB01 R09 R10 T01 and IC10 for 24SKPX and 24SKP E are defective Is fuse F01 of indoor control board blown Is voltage DC 12V or 5V indicated on rear of indoor control board normal Microconlroler defective Replace main P C board C27 for 18SKPX Are DC 12V across C32 Turn off breaker once and turn it on again after removing motor T01 is defective Replace motor YES ...

Page 48: ...ecting terminal connecting cable or power supply cord completely Does not found the short wire about connecting cable and power cord Change the setting of cooling to high fan Does the cross flow fan rotate normally Repair the bearing of the fan Shut off the power supply Turn on the power supply Does the fan speed become higher Operation stops Motor control circuit failure IC30 IC03 D38 R25 R26 Q17...

Page 49: ... 48 FILE NO SVM 08032 RAS 24SKPX RAS 24SKP E ...

Page 50: ...2 and 3 on terminal block Are all of compressor cords normal Is compressor motor winding normal Check winding resistor Is capacitor for compressor normal Is overload relay normal Does compressor start Does compressor stop after a while Is gas quantity normal Check gas pressure Compressor is defective NO YES YES YES Replace P C board Gas shortage Gas leak Compressor is defective Microcomputer is de...

Page 51: ...ssor motor winding normal Check winding resistor Is capacitor for compressor normal Is overload relay normal Does compressor start Does compressor stop after a while Is gas quantity normal Check gas pressure Compressor is defective NO YES YES YES Replace P C board Gas shortage Gas leak Compressor is defective Microcomputer is defective Miniature relay RY03 is defective Overload relay is defective ...

Page 52: ...tance of compressor motor windining normal NO Compressor is defective YES Replace compressor Is capacitor for compressor normal NO Capacitor is defective Is it possible to detect AC 200V between 2 and 3 on terminal block Is crossover cable normal YES Is overload relay normal Does compressor start Does compressor stop after a while Is gas quantity normal Check gas pressure Compressor is defective R...

Page 53: ...nutes or more to restart the unit 2 The outdoor unit stops once it would not operate until the power is turned on again 3 The outdoor unit stops between 10 minutes to 1 hour after starting and a check code is indicated on the remote control Check code 03 1E Refer to Table 9 4 1 Measure gas pressure Gas shortage Pipe clogging Compressor is turned off and on automatically by thermo sensor Heat pump ...

Page 54: ... Main P C board parts Power relay indoor fan motor drive circuit and control circuit C P U and peripheral circuits buzzer drive circuit and buzzer b Infrared rays parts Infrared rays receiving circuit Check the defects of the P C board with Table 9 7 1 Table 9 7 1 Inspection procedure No Procedure Check points Causes Impluse voltage was applied or the indoor fan motor short circuited 1 The termina...

Page 55: ... the heat exchanger sensor is loose The connector is disconnected CN01 3 The heat exchanger sensor and the P C board are defective Refer to Table 9 7 2 4 The main P C board is defective 1 The temperature of the indoor heat exchanger is extremely high 2 The connector of the heat exchanger sensor short circuited CN01 3 The heat exchanger sensor and the P C board are defective Refer to Table 9 7 2 4 ...

Page 56: ... of terminal block for connecting cable Check whether or not all lamps OPERATION Auto restart TIMERPAP FILTER and Hi power are indicated for 3 seconds and they return to normal 3 seconds later RAS 24SKPX RAS 24SKP E FILE NO SVM 08032 5 Press button once to start the unit Shorten the time of the restart delay timer Set the operation mode to COOL Set the fan speed level to AUTO Set the preset temper...

Page 57: ...ure 0 C 10 C 20 C 25 C 30 C Resistance value 33 8 20 35 12 59 10 00 7 99 kΩ 9 7 3 How to set cancel self cleaning function The self cleaning function is set from a factory To cancel this function should keep press the RESET button on Indoor unit for 20 seconds till can hear the long combination sound and repeat the same procedure when need to set PRESET ONE TOUCH QUIET SWING TIMER ON FILTER CHK CL...

Page 58: ...control is defective Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote control when a signal is transmitted at distance of 5 cm from radio P C board is defective Keep indoor unit away from thyristor fluorescent light Avoid direct sunlight Replace P C board Replace batteries Normal operation Replace remote control The unit does not beep at all OP...

Page 59: ...s are not extinguished they may ignite any oil mixed with the refrigerant gas 2 Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated 3 Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job...

Page 60: ...ove the front panel fixing screws 4 pcs 6 Take off four hooks of panel from rear side How to assemble the front panel 1 Press three center positions and two lower center positions of the air outlet and then hang the hanging hooks 4 pcs at the top side of the front panel to the rear plate 2 Tighten four screws Incomplete hanging or incomplete pressing may cause a dewdrops 2 Screws Three hooks 4 Scr...

Page 61: ... loop the grounding wire and TC sensor leads once at the bottom 4 Disengage the display unit by simply pushing at the top of the display unit 5 Remove the fixing screw that secures the electric parts box assembly LED assembly and remove the assembly Electric part box cover TC sensor Earth Screw Fan motor connector Louver motor connector Fixing screw LED assembly Fixing screw 1 Remove screw of eart...

Page 62: ...e sliding the horizontal louver leftward Evaporator Heat exchanger 1 Follow to the procedure in the item 2 Remove the pipe holder from the rear side of the main unit 3 Remove two fixing screws at the left side of the end plate of the heat exchanger Remarks 4 Remove two fixing screw on the heat exchage fixing holder to separate the heat exchage from the back body Screw Screw 2 Screws ...

Page 63: ... 2 Remove the two screws used to secure the bearing base 3 Remove the bearing base Caution at assembling If the bearing is out from the housing push it into the specified position and then incorporate it in the main body Remarks Two screws Bearing Bearing base Two screws Bearing Bearing base ...

Page 64: ... 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 Remarks 5 Pull the fan motor outward Set screw Two screws on motor band Two screws on motor cover ...

Page 65: ...s set keeping 5 mm from wall of rear plate of the main unit Holding the set screw install the cross flow fan so that U groove of the fan motor comes to the mounting hole of the set screw Perform positioning of the fan motor as follows When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front After assemb...

Page 66: ...orm the common procedure 1 2 Remove the capacitor band 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 10L 3 Disconnect the lead wires from the terminal 1 Perform the common...

Page 67: ...terminal block and 1 ground screw on the electrical parts base No Part name Procedures Remarks Front cabinet 2 Remove the packed valve cover and the electrical parts cover 2 screws 4 x 10L 4 Remove the top cabinet 7 screws 4 x 10L Pulling out upward 5 Remove the top cabinet 2 screws 4 x 10L Pull the front right portion toward you and remove it pulling out upward Top cabinet 4 x 10L 4 screws 4 x 16...

Page 68: ...inal 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 18L 3 Disconnect the lead wires from the terminal 1 Perform the common procedure 1 2 Remove the fixing screw 1 screws 4 x 10L 3 Disconnect the lead wires from the terminal 2 Running capacitor for compressor 3 Running capacitor for fan motor 4 Magnetic contactor 5 Spark killer Spark killer Running capacitor for compressor ...

Page 69: ...TERMINAL 3P 411 43T69730 ASM PCB SERV FOR 24SKPX 403 43T50004 SENSOR HEAT EXCHANGER 24SKP E 404 43T69005 SENSOR THERMOSTAT 414 43T69747 ASM STEPPING MOTOR 405 415 43T60386 MOTOR CORD 43T69736 UNIT LED ACCEP Description Description 407 43T62003 CORDCLAMP 411 43T69729 ASM PCB SERV FOR 18SKPX 18SKPX V 18SKP E 402 405 403 404 414 407 411 415 ...

Page 70: ...3T20016 FAN ASSY CROSS FLOW 220 43T62031 COVER TERMINAL FOR 24SKPX 24SKP E 221 43T69616 WIRELESS REMOTE CONTROL 210 43T39332 REFRIGERATION CYCLE ASSEMBLY 222 43T83003 HOLDER REMOTE CONTROL BEARING ASSY MOLD 212 43T39020 BAND MOTOR LEFT MOTOR BAND RIGHT UP ASSY FOR 18SKPX 18SKPX V 18SKP E 213 43T39022 BAND MOTOR RIGHT UP FOR 24SKPX 24SKP E 214 43T39331 Description Description 203 43T03368 FOR 18 24...

Page 71: ... BUSHING 10 43T46019 VALVE PACKED 12 7 DIA 27 43T62325 ELECTRIC PART COVER 11 43T47331 BONNET 6 35 DIA 28 43T61304 ELECTRIC PART BASE 12 43T47333 BONNET 12 70 DIA 29 43T52302 MAGNETIC CONTACTOR 13 43T47013 CAPILLARY TUBE 2 0 DIA AC220 240V 50Hz 14 43T00449 FRONT CABINET 30 43T55340 MF CAPACITOR 50uF 440V 15 43T00473 LEFT CABINET 31 43T55324 CAPACITOR PLASTIC FILM 16 43T00451 RIGHT CABINET ASSEMBLY...

Page 72: ...05 BUSHING 9 43T46332 VALVE PACKED 6 35 DIA 27 43T62325 ELECTRIC PART COVER 10 43T46338 VALVE PACKED 15 88 DIA 28 43T61306 ELECTRIC PARTS BASE 11 43T47331 BONNET 6 35 DIA 29 43T52305 MAGNETIC CONTACTOR 12 43T47334 BONNET 15 88 DIA 30 43T55340 MF CAPACITOR 50uF 440V 13 43T47013 CAPILLARY TUBE 2 0 DIA 31 43T55341 CAPACITOR PLASTIC FILM 14 43T00449 FRONT CABINET 32 43T60387 TERMINAL BLOCK 5P 15 43T00...

Page 73: ... 87 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 ...

Search results

Summary of Contents for RAS-18S2A-E

Reviews:

Related manuals for RAS-18S2A-E

Brands by name

Popular brands

Toshiba RAS-18S2A-E, Service Manual

Search results

Summary of Contents for RAS-18S2A-E

Reviews:

Related manuals for RAS-18S2A-E

Brands by name

Popular brands