Toshiba RAS-13SA-E Service Manual Download Page 53

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12. EXPLODED VIEWS AND PARTS LIST

12-1. Indoor Unit (1)

Location

Part

Description

No.

Location

Part

Description

No.

401

43T60002

Base, Terminal

3P, AC 300V, 20A

402

43T69004

Sensor, Heat Exchanger

10k

Ω

, 25°C

403

43T69005

Sensor, Thermostat

10k

Ω

, 25°C

404

43T60004

Fuse, Temperature 77°C

405

43T69007

PC Board, WRS-LED

MCC-635

406

43T69006

PC Board MCC-713

407

43T61001

Base, E-Parts

ABS, Black, UL94-5V

408

43T62006

Base, Shield

SGCC-Z08-LUB

Summary of Contents for RAS-13SA-E

Page 1: ...A N U A L S P L I T W A L L T Y P E T O S H I B A P R I N T E D I N J A P A N F e b 1 9 9 7 T o M o F I L E N O A 0 0 9 7 0 1 A I R C O N D I T I O N E R R A S 1 3 S K E R A S 1 3 S A E R A S 1 3 S K X R A S 1 3 S A X ...

Page 2: ... 7 1 How to Set the Auto Restart 16 7 7 2 How to Cancel the Auto Restart 17 7 7 3 In Case of Power Failure during the Timer Operation 17 8 INSTALLATION PROCEDURE 18 8 1 Safety Cautions 18 8 2 Installation Diagram of Indoor and Outdoor Units 20 8 3 Installation 21 8 3 1 Optional Parts 21 8 3 2 Installation Parts 21 8 4 Indoor Unit 22 8 4 1 Cutting a Hole and Mounting Installation Plate 22 8 4 2 Ele...

Page 3: ... be Turned on after Replacing Indoor PC Board 39 9 3 3 Outdoor Unit does not Operate 39 9 3 4 Only Compressor does not Operate 40 9 3 5 Only Outdoor Fan does not Operate 41 9 3 6 Only the Indoor Fan does not Operate 42 9 4 How to Check the Remote Control Including the Indoor PC Board 43 9 4 1 How to Check the PC Board 44 9 4 2 PC Board Layout 46 9 4 3 How to Reduce the Operation Time of the Anti R...

Page 4: ... current Starting current Moisture removal Noise Refrigerant Refrigerant control Interconnection pipe Condensate drain pipe INDOOR UNIT Dimensions Net weight Evaporator type Indoor fan type Air volume Fan motor output Air filter OUTDOOR UNIT Dimensions Net weight Condenser type Outdoor fan type Airflow volume Fan motor output Compressor Safety device Auto louver Usable outdoor temperature range 1 ...

Page 5: ...onditioner accepts a connection piping length of up to 15m and a head of up to 6m There is no need to add the refrigerant as long as the total length of the connection piping is up to 15m Temperature Indoor unit inlet air temperature Outdoor unit inlet air temperature Condition DB WB DB WB JIS C9612 1994 Cooling 27 C 19 C 35 C 24 C ...

Page 6: ...ose 0 54m Connecting pipe 0 39m Flare ø6 35 Flare ø12 7 Hanger 659 65 5 326 450 65 5 For stud bolt ø8 ø10 For stud bolt ø6 Hanger Minimum distance to wall Minimum distance to ceiling 265 Knock out system Front panel Back body 20 20 37 40 5 60 5 790 126 269 319 76 Center line Installation plate outline Hanger Hanger 40 5 3 5 Hanger Minimum distance to wall 17 20 46 120 or more 120 or more 66 or mor...

Page 7: ...100 or more 100 or more 600 or more 600 or more Installation dimension 600 Air inlet Air outlet 8 ø6 hole for fixing outdoor unit Liquid side Flare ø6 35 Gas side Flare ø12 7 120 ø11x14 hole ø6 hole R10 600 Detail Drawing 50 36 A A 6 ø11x14 hole for ø8 ø10 anchor bolt 600 100 130 780 90 59 27 Fan guard ø420 Z View Z 4xø11x14 Long holes for ø8 ø10 anchor bolt ...

Page 8: ...T3 15A 250V R21 RY01 RY02 WHI BLK 3 4 3 4 POWER TERMINAL BLOCK INDOOR TERMINAL BLOCK INFRARED RAYS RECEIVE AND INDICATION PARTS THERMO SENSOR TA HEAT EXCHANGER SENSOR TC LOUVER MOTOR FAN MOTOR BROWN RED WHITE YELLOW BLUE BLACK GRAY PINK ORANGE GREEN YELLOW BRW RED WHI YEL BLU BLK GRY PNK ORN GRN YEL COLOR IDENTIFICATION THERMAL FUSE 77 C x 2 VARISTOR 3 1 1 2 3 4 6 5 1 2 3 4 5 1 2 3 4 5 3 1 DC MOTO...

Page 9: ...30 FJ 15G561K ERF 5TK5R6 MP35EA7 Specifications DC35V 19W 10kΩ at 25 C DC390V Secondary DC35V 12V 7V Coil DC12V 75mA Rated AC250V 20A 10kΩ at 25 C 10mH AC 0 6A 4A 600V 100µF 450V T3 15A 250V 4A 600V 560V 5 6 Ω 5W Output Rated 2W 10poles 1phase DC12V No 1 2 3 4 5 Parts name Compressor Fan motor for outdoor Running capacitor for fan motor Running capacitor for compressor Overload relay Type PH160T2 ...

Page 10: ...check points of Gas Leak Auxiliary pipe 0 49m ø6 35 ø1 4 in T1 P Refrigerant R22 0 83kg Connecting pipe ø6 35 O D ø1 4 in Auxiliary pipe 0 39m ø9 52 ø3 8 in Connecting pipe ø12 7 O D ø1 2 in Max longth 15m Allowable height 6m Cooling 50Hz Standard Cooling High temperature Low temperature Standard pressure P kg cm G 13SK E 13SKX 5 0 6 0 3 0 Surface temp of heat exchanger interchanging pipe T1 C 13S...

Page 11: ...ator Circuit Heat Exchanger Sensor Infrared Rays Initializing Circuit C P U Main Unit Control Panel 220 230 240V 50Hz Remote Control Operation Display Timer Display ECONO Sign Display FAN ONLY Sign Display Indoor Fan Motor Louver ON OFF Signal Compressor Outdoor Fan ON OFF Signal Louver Motor Compressor RY02 RY01 Noise Filter Power Supply Circuit Outdoor Fan Motor Relay Thermo Sensor Louver Contro...

Page 12: ... button Fig 7 1 1 Auto setting of air volume Table 7 1 1 Manual setting of FAN SPEED 2 Once the setting is made the operation mode is memorized in the microcomputer so that the same operation can be effected thereafter simply by pushing the START STOP button Fig 7 2 1 2 Relays RY01 and RY02 are turned on to energize the outdoor unit and a cool operation is carried out 1 When the FAN is set to AUTO...

Page 13: ...controlled as shown in Fig 7 3 1 Fig 7 3 1 The microprocessor turns the compressor on and off at regular intervals 4 to 6 minutes on and or off During the compressor off the in door fan will operate in the super low position The indoor fan will operate in the AUTO posi tion 2 The pattern of operation depending on the rela tion between room temperature and set tempera ture is shown below Room temp ...

Page 14: ...selected 7 4 1 Temporary Auto When theTEMPORARY button is pushed the set tem perature is fixed at 24 C and controlled in accordance with the chart shown in Fig 7 4 1 Fig 7 4 1 Cooling mode Cooling mode Dry mode 4 1 The same cooling mode as the room temperature control is set at set temp The Louver moved downward The same cooling mode as the room temperature control is set at set temp The same dry ...

Page 15: ... is changed automatically as shown in Fig 7 5 1 2 Fan speed LOW 7 6 Low Temperature Limit Control Cooling Operation The microprocessor detects the indoor heat exchanger temperature so as to prevent freezing up the indoor heat exchanger Control is performed as shown in Fig 7 6 1 2 1 Set temp 1H 2H TIME 0H C ECONO button is pushed Set temp is changed Set temp is changed Fig 7 5 1 Fig 7 6 1 Compresso...

Page 16: ...TEMPORARY 0 3S 7 7 Auto Restart Function This unit is equipped with an Automatic restarting fa cility which allows the unit to restart and resume the set operating conditions in the event of a power sup ply shutdown without the use of the hand control The operation will resume without warning three min utes after the power is restored The Auto Restart function is set not to work on ship ment from ...

Page 17: ...rved without set ting of Auto Restart operation the reservation is cancelled with power failure The OPERATION lamp on the main unit goes on and off to inform of power failure In that case try to reserve OFF TIMER operation When Auto Restart operation is set OFF TIMER reservation is also cancelled with power failure OPERATION Press the TEMPORARY button continuously more than three seconds MOTION St...

Page 18: ... INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT OVERHEATING THE INDOOR UNIT AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORETHAN 2M FROM HEAT SOURCES SUCH AS RADIATORS HEAT RESISTORS FUR NACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT R 22 WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION ...

Page 19: ...s Please read the installation manual carefully before installing the unit It contains further important instruc tions for proper installation UK Plugs and Sockets etc Safety Regulations 1994 SI Number 1768 With regard to Schedule 3 Item 7 of the above UK Regulations this appliance must be permanently con nected to the fixed wiring of the main electrical supply by means other than the use of an ap...

Page 20: ...ric parts cover 45 mm or more 600 mm or more 2 Wireless remote control 7 Batteries Cover 6 mm thick heat resisting polyethylene foam Bottom Rear Right Rear left Left Cut the piping hole sloped slightly Wall 120 mm or more For the rear and left piping Insert the remote control holder cushion between the indoor unit and wall and lift indoor unit to make work easier Do not allow the drain hose to get...

Page 21: ...on drain hose use an optionally available RB 821SW or commercially available one 8 3 2 Installation Parts Part code A B C Parts name Refrigerant piping Liquid side ø6 35 mm Gas side ø12 7 mm Pipe insulating material polyethylene foam 6 mm thick Putty PVC tapes Q ty Each one 1 Each one Part No Name of parts Q ty Installation plate x 1 Wireless remote control x 1 Clip anchor x 6 Remote control holde...

Page 22: ...is is necessary to prevent image disturbances or noise interference The location of the remote control should be deter mined as shown below 8 4 1 Cutting a Hole and Mounting Installation Plate Cutting a hole When installing the refrigerant pipes from the rear Fig 8 4 2 1 After determining the pipe hole position with the mounting plate 80 mm drill the pipe hole ø65 mm at a slight downward slant to ...

Page 23: ... walls make 5 mm dia holes in the wall Insert 3 clip anchors for appropriate 8 mount ing screws NOTE Install the installation plate using 4 to 6 pieces of mounting screw securing four corners with screws No adjustment is necessary CAUTION Use power specified in above table This appliance can be connected to the mains in either of the following two ways 1 Connection to fixed wiring A switch or circ...

Page 24: ...ower cord Earth line 40mm 10mm 10mm 30mm L N Cord clamp Terminal cover Screw Power supply cord Terminal block Earth line Screw Screw L N Fig 8 4 5 As the colors of the flexible cord of this appliance may not correspond with the colored markings to identify terminals in your plug as follows Connect BROWN colored core to plug terminal marked letter L Connect BLUE colored core to plug terminal marked...

Page 25: ...ocal electrical codes and also any spe cific wiring instructions or limitation Stripping length of connecting cable Fig 8 4 11 Fig 8 4 9 For a three conductor cable NOTE Use stranded wire only Wire type More than H05 RN F Fig 8 4 10 How to install the front cabinet on the indoor unit Install the front cabinet through the opposite order of How to remove the front cabinet When the panel is removed a...

Page 26: ...two and connecting cable with facing tape tightly In case of left ward piping and rear leftward piping bind the auxiliary pipes two only with facing tape Carefully arrange pipes so that any pipe does not stick out of the rear plate of the indoor unit Carefully connect the auxiliary pipes and con necting pipes to each other and cut off the in sulating tape wound on the connecting pipe to avoid doub...

Page 27: ...ing its bottom up by the specified parts Space for pipes Wall Drain guide Fig 8 4 18 CAUTION Arrange the drain pipe for proper drainage from the unit Improper drainage can result in damage to prop erty This air conditioner has the structure designed to drain water collected from dew which forms on the back of the indoor unit to the drain pan Therefore do not store the power cord and other parts at...

Page 28: ... and discharged air do not disturb your neighbors A place which is not exposed to a strong wind A place free of a leakage of combustible gases A place which does not block a passage When the outdoor unit is to be installed in an el evated position be sure to secure its feet An allowable length of the connecting pipe is up to 15 m An allowable head level is up to 6 m A place where the drain water d...

Page 29: ...each of the packed valve stems Fig 8 5 5 Die Pipe A Fig 8 5 2 2 Insert a flare nut into the pipe and flare the pipe Fig 8 5 4 Half union or packed valve Flare nut Externally threaded side Internally threaded side Use a wrench to secure Use a torque wrench to tighten 90 Obliquity Roughness Warp Outer diam 6 35 mm 12 7 mm Imperial 1 3 mm 1 8 mm Rigid 0 7 mm 1 0 1 1 mm A mm VP Outdoor unit Charge hos...

Page 30: ...ock of indoor and outdoor units Strip the sheath of connecting cable with follow ing stripping length to and insert into the terminal block 3 When connecting the connecting cable to outdoor unit terminal make a loop as shown in the instal lation diagram of indoor and outdoor unit to pre vent water coming in the outdoor unit 4 Insulate the unused cords conductors with wa ter coming in the outdoor u...

Page 31: ...seconds the electronic beeper makes three short beeps to tell you the Auto Restart has been selected To cancel the Auto Restart follow the page 16 17 TEMPORARY TEMPORARY button Fig 8 6 1 Check the flare nut connections valve stem cap connections and service cap connections for gas leak with a leak detector or soap water 8 6 2 Test Operation To switch the TEST RUN COOL mode press TEM PORARY button ...

Page 32: ...Power Supply Voltage The line voltage must be AC 220 230 240V If the line voltage is not within this range this air conditioner may not work normally 9 1 2 Incorrect Cable Connection between Indoor and Outdoor Units The indoor unit is connected to the outdoor unit with 3 cables Make certain that the indoor and outdoor units have been connected properly with terminals assigned the same numbers wire...

Page 33: ...the power is turned on the opera tion starts automatically Description The OPERATION lamp flashes indicating that power is turned on If this happens push the START STOP button once to cause the lamp to stop flashing A power outage also causes the lamp to flash Fan speed is automatically controlled in the dry mode The compressor will not stop while the compressor on hold timer 3 minutes timer is ac...

Page 34: ...tents of the self diagnosis as block displays on the display panel of the indoor unit Table 9 2 1 1 Judgement from defective operation or abnormal operation Table 9 2 2 A B C D E F Block display OPERATION display flashing 1 Hz OPERATION display flashing 5 Hz OPERATION display flashing 5 Hz OPERATION display flashing 5 Hz OPERATION display flashing 5 Hz OPERATION TIMER and FAN ONLY display flashing...

Page 35: ...erature is displayed on the display and other display is turned off 2 Selecting ordinary mode Push the all clear button ACL on the rear bot tom of the wireless remote control with a tip of pencil for more than 3 seconds Make sure the operation mode display wind volume dis play clock display and setting temperature dis play are turned on and of the clock display is flashing Cautions when doing serv...

Page 36: ...At the same time also make sure the op eration lamp is also flashing This shows that the protection circuit on the indoor PC board is working d Operate theTEMP key and make sure the remote control display shows and flashing of the operation lamp If the opera tion lamp is flashing it shows the protection circuits for connecting cable is working or thermal fuse is blown e In the same way operate the...

Page 37: ...action 1 Check thermo sensor 2 If it is OK check PC board 1 Check heat exchanger sensor 2 If it is OK check PC board 1 Disconnect the power plug from AC outlet and pull out the connector CN10 for the motor then connect the plug of AC power cord again and turn the power on 2 Check the voltage between pin 1 and 2 of the connector CN10 3 If the output voltage is 35V PC board is OK check motor Replace...

Page 38: ...rong wiring of AC cord or connecting cable is defective Replace the thermal fuse set Check connection Is the indication voltage DC12V or 5V of main PC board correct Is the voltage across C02 measured DC310V 340V Refer to the paragraph Pre check or defective circuit before power PC board block Shut off the power supply once and turn it on again after dis connecting the motor connector CN10 Is the s...

Page 39: ...ure in 9 3 4 9 3 5 9 3 6 Replace the PC board See Power can not be turned on Relays RY01 RY02 or IC31 or IC30 is failure Correct cabling between indoor and outdoor units NO NO NO NO YES YES YES YES See Power can not be turned on Is AC220 230 240V supplied between terminal block 1 2 RY01 C02 RY02 Brown N L Power terminal block T02 PC board Blue White Black 1 2 Indoor terminal block To the paragraph...

Page 40: ...winding normal Check the winding resistor Is the capacitor for compressor normal Is the overload relay normal Does the compressor start Compressor starts but it stops after a while Cables between indoor and outdoor units are defective Re wire or replace the defective cords Compressor is defective Capacitor is defective Overload relay is defective Compressor is defective Correct cabling between ind...

Page 41: ...ormal Check the winding resistance Is the capacitor for compressor normal Outdoor fan motor is defective Cables between indoor and outdoor units are defective Outdoor fan motor is defective Correct cabling between indoor and outdoor units NO NO NO NO YES YES YES YES Are all the cords for outdoor fan motor normal Correct the wire or replace the defective cords Capacitor for outdoor fan motor is def...

Page 42: ...red DC35V between 1 red lead wire and 2 black lead wire of the motor connector CN10 Shut off the power supply Does the cross flow fan rotate normally Repair the bearing of the cross flow fan Turn on the power supply Is the rotation signal DC 5V 0V output between 4 blue lead wire and 2 black lead wire of the motor connector CN10 when rotating the cross flow fan by hand in no operating status 2 puls...

Page 43: ...luorescent light Is operation possible when the transmitter is moved nearer to the infrared signal receiver of the air conditioner Battery life Can any signal tone be heard in a transistor radio when transmitting within 5cm distance from the radio Does the transmission indicator light Is there any beep and operation Short circuit the metal terminal at the side of the battery compartment all clear ...

Page 44: ... PC board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a PC board is judged to be defective check for disconnection burning or discolora tion of the copper foil pattern or this PC board 2 The PC board consists of the following 2 parts a Main PC board part Power relay indoor fan motor drive circuit and control circuit C P U and peripheral cir cuits buzzer drive...

Page 45: ...e time of the restart delay timer is shortened 2 Cool operation 3 Air volume AUTO 4 Make the setting temperature lower enough than room temperature 5 Continuous operation The status of No 5 is continued and make the following condition 1 Heat operation 2 Make the setting temperature higher enough than room tem perature Turn the power on after connecting the motor connector Start the operation with...

Page 46: ... 46 9 4 2 PC Board Layout Bottom View Top View ...

Page 47: ...hrough holes on the rear of the wire less remote control unit Push the START STOP button to start operation with the diode attached Fig 9 4 1 Timer short diode Wireless remote control Table 9 4 2 Approximate value of the sensor thermistor resistance TA TC kΩ Temperature Sensor Themo Sensor 0 C 10 C 20 C 25 C 30 C 35 8 20 7 12 6 10 0 7 92 ...

Page 48: ... unit If cooling or drying operation is performed without pressing the center of the air outlet the surface of the front panel may be covered with frost and have a waterdrop 1 Perform the process above 2 Remove the screw securing the shield metal plate 3 Remove the electrical part cover by pressing the nail located on upper portion of the electrical part cover 4 Remove the drain guide 5 Remove the...

Page 49: ...tly to the right side 1 Perform the process 2 Loosen the set screw of the cross flow fan 3 Remove the screw fixing the shaft bearing base 4 Lift slightly up the left side of the heat exchanger and pull the shaft bearing base out left downwards When assembling it fix it with the set screw on the position where the gap between the rear plate surface and the left end surface of the cross flow fan is ...

Page 50: ... the process above 2 Remove terminal cover Up Down 3 Disconnect the terminal blocks connected with the connecting cable and the power cord from base E parts by removing the screws 4 Remove the thermal fuse 77 C from base E parts 10 2 Microcomputer RAS 13SK E RAS 13SKX No Part name Common procedure Thermal fuse replacement Remarks Replace the thermal fuse terminal block power cord microcomputer ass...

Page 51: ...pward 1 Perform the process above 2 Remove the fixing screw securing the capacitor band 1 ST2T ø4 x 8 3 Remove the cable connected to the terminal 1 Perform the process above 2 Remove the fixing screw 1 ST2T ø4 x 8 3 Remove the cable connected to the terminal 1 Perform the process above 2 Remove terminal cover of compressor 3 Remove thermo holder and thermostal bimetal up 4 Remove Fastons of leads...

Page 52: ... CT T02 RY01 C02 RY02 Brown N L Power terminal block T02 PC board Blue White Black 1 2 Indoor terminal block ON OFF 1 2 3 4 5 6 1 2 3 4 5 6 OFF OFF ON OFF ON 11 CAUTIONS ON REPLACEMENT OF PC BOARD ASSEMBLY 1 Set the switch SW03 provided on the PC board as follows ...

Page 53: ...Part Description No No 401 43T60002 Base Terminal 3P AC 300V 20A 402 43T69004 Sensor Heat Exchanger 10kΩ 25 C 403 43T69005 Sensor Thermostat 10kΩ 25 C 404 43T60004 Fuse Temperature 77 C 405 43T69007 PC Board WRS LED MCC 635 406 43T69006 PC Board MCC 713 407 43T61001 Base E Parts ABS Black UL94 5V 408 43T62006 Base Shield SGCC Z08 LUB ...

Page 54: ...3 43T21003 Motor Stepping 214 43T07001 Bushing 215 43T44004 Refrigerantion Cycle Assembly 216 43T47006 Pipe Delivery 217 43T47016 Pipe Suction 218 43T49010 Pipe Shield 219 43T19003 Holder Sensor 220 43T49009 Spring 221 43T49005 Plate of EVA SEAL 222 43T49006 Holder for Plate of EVA SEAL 224 43T79002 Drain Guide 225 43T39002 Motor Band Left 226 43T39001 Motor Band Right 227 43T21005 Fan Motor 228 4...

Page 55: ...0 240V 50Hz 10 43T47001 Flange Nut 11 43T63004 Holder Wire Lead 12 43T96001 Bushing 13 43043599 Condenser 14 43T46002 Packed Valve 6 35 15 43T47003 Bonnet 6 35 DIA 16 43T46004 Packed Valve 12 7 17 43T47009 Bonnet 12 7 DIA 18 43047607 ASM Packed Valve Cap 12 7 6 35 19 43T47014 Capillary Tube 1 7 DIA 20 43041762 Compressor AC 220 240V 1100W 21 43T97001 Nut Flat Washer 22 43T49008 Cushion Rubber 23 4...

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