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AIR CONDITIONER

1. COVER PV TOSHIB IN 550 te Nn Q 5 J 290 320 342 RM I 1 Electrical part cover ve 5 3 Liquid side Ir Til Flare 6 35 H 4 Gas side Flare 12 7 S X E aie Z View Service port Z 600 100 or more 3 Air intlel N E 600 or more Ty s _ _ Z Air outlel X 100 or more Y 600 orimor 4x 11 Long holes For 8 10 anchor bolt FILE NO SVM 09030 3 WIRING DIAGRAM ASM UNIT LED AC Louver MCC 5044 motor Thermal Thermal T2 T3T4 T5 161718619 di d CN10 fuse fuse 73 73 x 2 METAL omens BLK P04 Sh R07 5 Varistor AC RO 0801 Eu q 50 60Hz Haul BLU wre s Moo I oi feria A Lo Module b DC12V O 12V IC03 el DC5V Voltage S ER O Regulator ij Q MCU C15 ra WP 016 EE CN10
2. R10 C13 tenet 5 ng a5 ail D 0009000 Thermo Heat exchanger 6 isis me 213141515 sensor sensor TA TC AC Fan motor OUTDOOR i OUTDOOR TERMINAL BLOCK S EN i CHASSIS SOLENOID COIL BLK RED CAPACITOR RED BLK COMPRESSOR FILE NO SVM 09030 4 SPECIFICATION OF ELECTRICAL PARTS 4 1 Indoor Unit Parts name Fan motor for indoor AFN 220 20 4D Specifications AC Motor with 145 C thermo fuse Thermo sensor TA sensor 10 at 25 Micro Power Module 1 uRM1260V DC 390V Secondary DC 12V Microcontroller unit IC30 TMP87CM40ANG Heat exchanger sensor TC sensor 10kQ at 25 Line filter L01 LC SS11V R06270 27 600mA Bridge rectifier DBO1 DB105G 1A 600 V Capacitor EKMH401VSN470MP20S 47 uF 400 V Fuse F01 BET 6 3A T6 3A 250VAC Varistor R06 R07 SR561K14DL 560 V Resistor R01 RF 2TK5R6 5 60 2 W Louver motor MP24Z3T 12VDC Relay Comp RY01 G4A 1A Rating 25A AC250 V 3 48VDC Relay Fan RY03 G5NB 1A Rating 3A AC250 V 12VDC Relay Solenoide RY04 4 2 Outdoor Unit Parts name GSNB 1A Rating 3A AC250 V 12VDC Specifications Output Rated 1100W 2poles 1 phase 220 240V 50Hz Compressor PA150X2C 4FT Winding res
3. Remove the air inlet grille Open the air inlet grille upward and pull it toward you Remove the terminal cover and cord clamp Insert the connecting cable according to the local cords into the pipe hole on the wall Take out the connecting cable through the cable slot on the rear panel so that it protrudes about 15 cm from the front block and secure it tightly with screws Tightening torque 1 2 N m 0 12 kgf m Secure the connecting cable with the cord clamp Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit Insert the connecting cable fully into the terminal Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical cords and also any specific wiring instructions or limitations 34 FILE NO SVM 09030 Cord clamp Terminal cover Terminal block Connecting cable N A H w Sou M L 15 Screw Screw Connecting cable Fig 8 4 5 Earth line 80 mm 10 50 Stripping length of the connecting cable Fig 8 4 6 NOTE e Use stranded wire only e Wire type HO7RN F or more How to install the air inlet grille on the indoor unit gt e When attaching the air inlet grille the contrary of the removed operation is performed Fig 8 4
4. lt Cutting hole gt e A place where there is no obstacle near the air inlet and outlet When installing the refrigerant pipes from the rear e A place that allows easy installation of the piping to the outdoor unit e A place which allows the front panel to be opened o e The indoor unit shall be installed as top of the indoor unit B 0 0 9 comes to at least 2 m height Also it must be avoided to d put anything on the top of the indoor unit s 5 Pipe ae e Direct sunlight to the indoor unit s wireless 3 3 receiver should be avoided ema The microprocessor in the indoor unit should not be too close to RF noise sources Fig 8 4 2 For details see the owner s manual 1 After determining the pipe hole position on the Remote control gt mounting plate drill the pipe hole 1265 mm at A place where there are no obstacles such as a a slight downward slant to the outdoor side curtain that may block the signal from the indoor unit NOTE Do not install the remote control a place exposed When drilling a wall that contains a metal lath wire to direct sunlight or close to a heating source such lath or metal plate be sure to use a pipe hole brim as a stove ring sold separately
5. FAN speed AUTO If the room temperature is higher than the setting temperature by 3 5 or more the air conditioner operates at maximum 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 FAN speed One of 5 levels If the room temperature is higher than the setting temperature 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 e The indoor unit s fan speed level increase 1 tap 3 Heating operation e The preset temperature increases 2 C The value of the preset temperature on the remote control does not change e The indoor unit operates in normal heating mode except the preset temperature is higher 2 C e The indoor unit s fan speed level increase 1 tap 4 The Hi POWER mode can not be set in Dry or Fan only operation 5 The Hi POWER mode can memorize with timer function FILE NO SVM 09030 7 7 QUIET Operation When the QUIET button is pressed the fan of the indoor unit will be restricted the revolving speed at speed L until the QUIET button is pressed once again cancel Quiet mode Quiet mode is the system which control the revolving speed of indoor fan to work constantly at lower than speed L In addition noise level
6. FILE NO S VM 09030 Note 1 Capacity is based on the following temperature conditions Condition JIS C9612 Temperature Cooling Heating Indoor unit inlet air temperature Outdoor unit inlet air temperature Note 2 1 No need to charge extra refrigerant FILE NO SVM 09030 2 CONSTRUCTION VIEWS 2 1 Indoor Unit Front panel Air filter Air inlet 205 a p a N LLL JL 2 C JL 2 wan aun wam Ss CA aS JL 2 I 48 Knock out system Knock out system 116 480 193 Installation plate hanger Y I C IL Installation plate hanger Drain hose 0 50m Connecting pipe 0 35m Connecting pipe 0 40m Flare 12 7mm Flare 6 35mm 84 5 621 84 5 Remote controller holder 235 215 215 Minimum distance to ceiling 150 160 5 160 Center line Installation plate outline FILE NO SVM 09030 2 2 Outdoor Unit 28 600 x af ua R15 S g hole R5 5 i J A detail Drawing Back leg 25 Drain outlet 2 11 x 14 Hole For 28 4210 anchor bolt 86 320 FAN GUARD 436
7. Room temp SN 7 operating time gt Compressor Outdoor fan Heat exchanger temp OFF OFF 60 53 52 Fig 7 4 2 16 Fig 7 4 3 Indoor fan speed FILE NO SVM 09030 Defrost operation time control n case of B gt n case of gt 1 The heating operation is performed for at least 1 The heating operation is performed for at least 90 40 minutes minutes 2 The maximum defrost operating time is 6 minutes 2 The defrost operating time is 10 minutes The defrost operating time for the 4th cycle is 10 minutes When the outdoor temperature is Ending condition at defrost operation very low however the defrost operating time is 10 minutes 1 When the compressor current becomes 5 40A or more during defrost operation the defrost operation stops and the heating operation restarts The current sensor detects the compressor current minutes minutes minutes minutes 40 40 The defrost operation continues for at most 6 minutes or 10 minutes DEFROST LAMP E 4 e During defrost operation the PRE DEF lamp is Max 6 minutes 10 minutes on and the indoor and outdoor fans are off e The compressor start protection timer is inter Heating Defrost Heating Defrost Heating Defrost Heating Defrost gt Tels looked with the PRE DEF lamp So the PRE DEF Lamp is off the fans stop fo
8. e Keep the remote control at least 1 m apart from the nearest TV set stereo equipment This is lt Mounting the installation plate gt necessary to prevent image disturbances or noise interference e The location of the remote control should be Anchor bolt holes determined as shown below EL rrr zi 2 f s 8 O ERR Trot Zn E Side Vien Top view I oF M J SW 5 Indoor unit gt lt J _ gt ZZ EF AE oo M 7 e H el d 6 Z Remote K S A con Ee y 3 com Remote did Pi v Hook P Hook Installation P Thr ad Pipe Plate Indoor unit le Weight Mounting screw Fig 8 4 1 Fig 8 4 3 81 FILE NO SVM 09030 When the installation plate is directly mounted on 8 4 3 Electrical work mower 1 The supply voltage must be the same as the rated 1 Securely fit the installation plate onto the wall by voltage of the air conditioner screwing it in the upper and lower parts to hook up 2 Prepare the power source for exclusive use with the the indoor unit air conditioner 2 To mount the installation plate on a concrete wall with anchor bolts utilize the anchor bolt holes as f CAUTION E illustrated in the above figure 3 Install the installation plate horizontally in the wall This appliance can be connected to the
9. Open fully the valve stem of the packed valves both sides of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Compound pressure gauge Pressure gauge 101 kPa 76 cmHg Manifold valve P Me lt lt Handle Hi Handle Lo Keep full closed Charge hose Charge hose Connecting pipe Vacuum pump adapter for counter flow prevention Vacuum pump Packed valve at gas side Service port Valve core Setting pin Packed valve at liquid side Fig 8 5 7 FILE NO SVM 09030 Packed valve handling precautions Open the valve stem all the way out but do not try to open it beyond the stopper Securely tighten the valve stem cap with torque in the following table 50 to 62 5 0 to 6 2 Gas side 212 70 mm 30 to 42 N m 3 0 to 4 2 kgf m Gas side 29 52 mm 16 to 18 Num 1 6 to 1 8 kgf m Liquid side 26 35 mm 9 to 10 Nem 0 9 to 1 0 kgf m Hexagonal wrench is required e Service port Fig 8 5 8 39 8 5 4 Wiring connection Remove the valve cover from the outdoor unit Connect the connecting cable to the terminal as identified with their respective matched numbers on the terminal block of indoor and outdoor unit When connecting the connecting cable to the outdoor unit terminal mak
10. The microcontroller detects the indoor heat exchanger temperature to prevent the indoor heat exchanger from freezing The compressor and outdoor fan motor are controlled as shown in Fig 7 4 1 Heat exchanger temperature Compressor Outdoor fan Less than 2 C continues for 5 minutes OFF Fig 7 4 1 7 4 2 High Temperature Limit Control The microcontroller detects the indoor heat exchanger temperature to prevent pressure of a refrigerating cycle from increasing excessively The compressor and outdoor fan motor are controlled as shown in Fig 7 4 2 7 4 3 Defrost Operation During the heating operation the outdoor heat exchanger temperature goes down and sometimes it is frozen In this case the air conditioner stops the heating operation and starts the defrost operation to melt ice Condition to start the defrost operation The defrost operation starts whichever below conditions are satisfied 1 When the cumulative compressor operating time is longer than 40 or 90 minutes and difference between the indoor heat exchanger temperature and the room temperature is less than the specified value This value is decided by the microprocessor Control example is shown in Fig 7 4 3 In case of B or C the defrost operation starts When the current limit control or the high temperature limit control is performed for total of 90 minutes B Cumulative compressor Indoor heat exchanger temp
11. center head Fig 8 4 10 Firmly insert drains cap Do not apply lubricating oil refrigerant machine oil when lt inserting the drain cap Application causes deterioration and drain leakage of the plug Insert a hexagon wrench 4 mm Fig 8 4 11 Firmly insert the drain hose and drain cap otherwise water may leak lt in case of right or left piping After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 8 4 12 In case of bottom right or bottom left piping 35 After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool lt Left hand connection with piping gt FILE NO SVM 09030 8 4 6 Indoor unit fixing Bend the connecting pipe so that it is laid within 43 mm 1 Pass the pipe through the hole in the wall and hook above the wall surface If the connecting pipe is laid exceeding 43 mm above the wall surface the indoor unit may unstably be set on the wall When bending the 2 connecting pipe make sure to use a spring bender so as not to crush the pipe Bend the connection pipe within a radius of 30 mm To connect the pipe after installation of the unit figure To the forefront of flare E i R 30 mm Use polisin polyethylene J e SN core or the like fo
12. power supply is turned off Therefore contents of operations in the past are all displayed 45 9 5 Troubleshooting Flowcharts 9 5 1 Power can not be turned on No operation at all lt Preliminary checks gt 1 Is the supply voltage normal 2 Is the connection to the AC output OK Shut off the power supply from AC outlet once and turn it on after 5 seconds NO YES by pushing the control Does the fuse i F01 blow i Does the thermal fuse blow Under PF Terminal AC Is the indication voltage DC12V or 5V of main P C board correct YES Is the voltage across C03 measured DC310V 340V NO Refer to the paragraph Shut off the power supply once and disconnecting the motor connector CN11 Is the voltage across C07 measured DC12V Does the OPERATION lamp blink Does the power turn on button of the remote Parts R06 R07 5601 C01 DB01 C02 C03 cable is defective Pre check or defective circuit before power P C board block 01 are defective Wrong wiring of cord or connecting Does the CN14 nnector the wrong connecting No problem Does the transmission indicator of remote control flash normally and transmit certainly FILE NO SVM 09030 Operation Check Items Main cause Countermeasure Symptom Remote control is de
13. remote control receiving beep sounds from the indoor unit and the next operation is performed ae together with opening the vertical air flow louver 3 Once the operation mode is set it is memorized in the microcomputer so that the previous operation TY NS can be effected thereafter simply by pressing button 7 3 1 Fan only operation MODE button on the remote control is set to the fan only operation Preset 0 Room temp temp 5 o c Ze 1 When FAN button is set to AUTO the indoor fan motor operates as shown in Fig 7 3 1 When gt 8 gt FAN button is set to LOW LOW MED MED or 5 E HIGH the motor operates with a constant air flow Fig 7 3 2 gt 1 3 M 2 When FAN button is set to AUTO the indoor fan 42 5 motor operates as shown in Fig 7 3 3 When 4 FAN button is set to LOW LOW MED MED or zx 2 HIGH the motor operates with a constant air flow 1 5 2 8 E 1 T C 8 L a 0 5 3 M Preset 0 8 2 5 E temp amp 2 i 1 5 Preset temp 24 5 3 1 pu o 2 0 5 z NOTE 1 1 Fan speed M L x 3 4 L Preset_ 0 2 Fan speed L x 2 4 L temp s 8 Fan speed M L x 1 4 L 2 The Hi Power ECO and COMFORT SLEEP NOTE1 1 Fan speed M L x 3 4 L operation can not be set 2 Fan s
14. flow The pattern of operation depending on the relation between room temperature and preset temperatures is shown in Fig 7 3 5 Preset 0 L temp 0 5 1 Room temp EA 15 5 2 Preset temp 1 Preset temp M a 5 0 5 5 Compressor E H FAN AUTO Outdoor fan c I I I 1 Indoor fan L 34 S L L s L 4 Fan speed M L X 1 4 L Super Low 2 Fan speed M L x 2 4 L Fig 7 3 5 3 Fan speed M L x 3 4 L Calculated with Linear approximation from M and L 8 FAN button on the remote control is set to AUTO only Fig 7 3 7 4 The ECO COMFORT SLEEP QUIET and Hi POWER operations can not be set _ 14 The indoor heat exchanger restricts revolving speed of the fan motor to prevent a cold draft The upper limit of the revolving speed is shown in Fig 7 3 8 Fan speed AUTO Fan speed MANUAL Tc L H Up to 46 34 Normal AUTO setting speed 45 33 Line approximate Line approximate 33 21 H and SL with Tc H and SL with Tc 32 20 0 0 SL A 8 A 8 Stop Stop L Fan speed MANUAL or AUTO in starting Fan speed AUTO in stability No limitation while fan speed MANUAL mode is in stability A When Tsc 2 24 A is 24 and when Tsc 24 A is Tsc Tsc Set value In starting and in stability In starting In stability When 12 to 25 minutes passed after opeartion
15. name Cross flow fan Procedures lt Caution at reassembling gt 1 To incorporate the fan motor remove the fan motor rubber at shaft core side incorporate the motor into the position in the following figure and then install the fan motor Install the cross flow fan so that the right end of the 1st joint from the right of the cross flow fan is set keeping 70 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 assembling the two hooking claws of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws U groove HLE NO SVM 09030 Remarks FILE NO SVM 09030 10 2 Outdoor Unit Part name Procedures Remarks Common 1 Stop the operation of air conditioner and Cord 7 Screws ox TOL procedure disconnect the power cord from the AC supply Remove packed valve cover and Electric parts cover T 2 Screws 4 x 10L Remove the cord clamp 2 Screws 4 x 16L 2 S6rews A x10 and disconnect the connecting cable Remove the upper cabinet 5 Screws 24 10L Pullin
16. of indoor unit is less than usual Remarks 1 2 Quiet mode is unable to work in dry mode Quiet mode is appropriate to work with less cooling load and less heating load condition Because of the fan speed L may cause not enough the cooling capacity or heating capacity 7 8 ECO Operation Cooling operation The preset temperature will increase 1 C after the ECO mode has operated for 1 hour and the temperature will increase another 1 C after the ECO mode has operated for 2 hour the value of the preset temperature on the remote control does not change The indoor fan speed is depend on presetting and can change every speed after setting ECO operation Heating operation 7 The preset temperature will drop down 1 C after the ECO mode has operated for 1 hour and the temperature will drop down another 1 C after the ECO mode has operated for 2 hour the value of the preset temperature on the remote control does not change The indoor fan speed is depend on presetting and can change every speed after setting ECO operation 9 COMFORT SLEEP Operation Cooling operation e The preset temperature will increase 1 C after the comfort sleep mode has operated for 1 hour and the temperature will increase another 1 C after the comfort sleep mode has operated for 2 hour the value of the preset temper rature on the remote control does not change e Press the COMFORT SLEEP button to select this function The c
17. relay Capacitor C01 C02 is defective e Line filter L01 is defective e Resistor R01 is defective e Diode DBO01 is defective 3 M01 DBO1 R01 are defective 4 C01 are defective Make the operation status by pushing once the button except the status of FAN ONLY ON TIMER Voltage check 1 Voltage of relay coil DC 12V Between pin 2 of RYO1 and GND 2 Between No 1 and 2 of connect ing cable terminal block AC 220 240V 1 defective relay driver Q07 2 Poor contact of relay Start the operation with the system which the time of the restart delay timer is shortened 1 All indicators light for 3 sec 2 Indicators do not indicate normally after approximate 3 sec Defective indicator or poor housing assembly CN14 Make the operation status by pressing once the button 1 The 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 1 Compressor does not operate 2 OPERATION lamp blinks 1 The temperature of the indoor heat exchanger is abnomally lower 2 Poor contact of the heat exchanger sensor The connector is disconnected CNO1 3 Heat exchanger sensor main P C board are defective Refer to Table 9 6 2 for the judgment of defective resistance values 4 Main P C board is defective The
18. status of No 5 is continued and make the following condition 1 Heat operation 2 Make the setting temperature higher enough than room temperature 1 Compressor does not operate 2 OPERATION lamp blinks 1 The temperature of the heat exchanger is abnormally high 2 The heat exchanger sensor connector has short circuit CNO1 3 The heat exchanger sensor is defective Refer to Table 9 6 2 for the judgment of defective resistance values 4 P C board is defective Turn the power on after connecting the motor connector Start the operation with the following condition 1 Operation Cooling 2 Airflow High fan 3 Continuous operation 1 Motor does not rotate The key operation is accepted 2 The Motor rotates but it vibrates too much 55 1 Poor contact of the motor connector 2 P C board is defective FILE NO SVM 09030 Table 9 6 2 Approximate resistance value of thermo sensor 0 C 10 20 25 30 Resistance value 33 8 20 35 12 59 10 00 7 99 9 6 3 How to shorten time of restart delay timer 7 D Press SET button while pressing CHK hole TOSHIBA with a tip of a pencil 2 Then press 6 button to transmit the asl S a e 0 e SON ADD signal to the indoor unit BBs e HiPOWER ECO Inr e e FAN ONE TOUCH MODE O SWING FIX Hi PO
19. to selectter Quiet Indicates when quiet is activated Press quiet button to start and press it again to stop operation One Touch Indicates when one touch comfort is activated Press one touch button to start the operation Swing Indicates when louver is swing Press swing button to start the swing operation and press it again to stop the swing operation 7 2 Outline of Air Conditioner Control This is a fixed capacity type air conditioner which uses a AC motor for an indoor fan The AC motor drive circuit is mounted in the indoor unit And electrical parts which operate the compressor and the outdoor fan motor are mounted in the outdoor unit The air conditioner is mainly controlled by the indoor unit controller The controller operates the indoor fan motor based upon commands transmitted by the remote control and transfers the operation commands to the outdoor unit The outdoor unit receives operation commands from the 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 e 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 control e Indoor fan motor operation control e LED display control e Transferring o
20. 030 1 SPECIFICATIONS RAS 13SKHP ES RAS 13S2AH ES ITEM Cooling Heating 240 V 220V Capacity kW 3 82 4 20 12 Power source V 220 240 Hz 50 Power consumption kW Power factor 96 Running Indoor A 0 15 current Outdoor A Starting current A 29 Moisture removal lit h 2 0 Indoor H M L dB 41 38 35 33 31 Outdoor 220 240 V dB Name of refrigerant R410A Rated amount kg 0 95 Refrigerant control Capillary tube Gas side size O12 7 Connection type Flare connection Liquid side size 26 35 Interconnection Connection type Flare connection Noise Refrigerant pipe Maximum length One way 15 Maximum height difference INDOOR UNIT RAS 13SKHP ES Height 275 Dimensions Width 790 Depth 205 Net weight 9 Evaporator type Finned tube 6 Indoor fan type Cross flow fan High fan Air flow volume Medium fan Low fan Fan motor output 20 Air filter Honeycomb woven filter with PP frame OUTDOOR UNIT RAS 13S2AH ES Height 550 Dimensions Width 780 Depth 290 Net weight 38 Condenser type Finned tube Outdoor fan type Propeller fan Air flow volume 2200 2120 Fan motor output 42 Model PA150X2C 4FT Output 1100 Safety device Fuse Overload relay Compressor Louver type Automatic louver Usable outdoor temperature range C
21. 7 8 4 5 Piping and drain hose installation lt Piping and drain hose forming gt Since dewing results in a machine trouble make sure to insulate both the connecting pipes Use polyethylene foam as insulating material Rear right _ ssp et Bonom et en Bonom right je 1 Die cutting Front panel slit drain hose gt gt gt c x D D 2 A Changing l Die cutting FILE NO SVM 09030 How to fix the drains cap 1 2 Cut out the slit on the leftward or right side of the front panel for the left or right connection and the slit on the bottom left or right side of the front panel for the bottom left or right connection with a pair of nippers 2 Changing drain hose For leftward connection bottom leftward connection and rear leftward connection s piping it is necessary to change the drain hose and drain cap How to remove the drains cap Clip drain cap by needle nose plier and pull out n Piel Fig 8 4 8 How to install the drain hose e The drain hose can be removed by take off screw after that twisting and pulling e When removing the drain hose be careful of any sharp edges of steel plate The edges can cause injuries Heat insulator Drain hose Fig 8 4 9 No gap 2 Insert hexagonal wrench 4
22. A place where high frequency waves are likely to be generated as from audio equipment welders and medical equipment 2 37 8 5 2 Refrigerant piping connection 1 Cut the pipe with a pipe cutter Obliquity Roughness 2 0 Us Fig 8 5 2 2 Insert a flare nut into the pipe and flare the pipe e Projection margin in flaring A Unit mm Fig 8 5 3 Outer dia Warp FILE NO SVM 09030 Unit N m Outer dia of copper pipe 26 35 29 52 212 70 Tightening torque 16 to 18 1 6 to 1 8 kgf m 30 to 42 3 0 to 4 2 kgf m 50 to 62 5 0 to 6 2 kgf m e Tightening torque of flare pipe connections Flare at indoor unit side Flare at outdoor unit side Fig 8 5 4 of copper pipe Rigid Imperial 0 5 to 1 0 1 0 to 1 5 26 35 0 5 to 1 0 1 0 to 1 5 29 52 Mark line 0 5 to 1 0 1 5 to 2 0 212 70 Tightening connection Align the centers of the connecting pipes and tighten the flare nut as far as possible with your fingers Then tighten the nut with a spanner and torque wrench as shown in the figure Do not apply excess torque e Otherwise the nut may crack depending on the conditions Fig 8 5 5 Half union 0 nut Use a torque wrench to tighten Fig 8 5 6 Internally threaded side Externally threaded side Use a wrench to secure CAUTION L e K
23. EEP IMPORTANT 5 POINTS FOR PIPING WORK 1 Take away dust and moisture Inside of the connecting pipes 2 Tight connection between pipes and unit 3 Evacuate the air in the connecting pipes using VACUUM PUMP 4 Check gas leak connected points 5 Be save to fully open the packed valves c before operation 38 8 5 3 Evacuating After the piping has been connected to the indoor unit you can perform the air purge together at once AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using a vacuum pump Do not use the refrigerant in the outdoor unit For details see the manual of the vacuum pump lt Using a vacuum pump gt Be sure to use a vacuum pump with counter flow prevention function so that inside oil of the pump does not flow backward into pipes of the air conditioner when the pump stops 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to start evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Then confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure side valve handle of gauge manifold 6
24. FF OFF ON rpm is depend on presetting FCU fan ON SL OFF FCU louver OPEN OPEN 12 79 CLOSE ON or OFF Timer display depend on presetting of timer function ON or OFF ON depend on presetting of timer function ON or OFF Compressor depend on presetting per room temperature OFF ON or OFF depend on presetting per room temperature CDU fan OFF Cool mode or dry mode operation more than 10 mins TIT Turn off by remote controller or Self Cleaning mode operate 20 mins gt Operation time Automatically turn off timer off function 7 12 2 Self Cleaning function release How to cencel Self Cleaning function To cancel the Self Cleaning function proceed as follows Press RESET button one time or use remote control to turn on air conditioner Display will show in green color Hold down the RESET button for more than 20 seconds The air conditioner will stop suddenly when the RESET is pressed but keep holding it continue The will beep 3 times in the first 3 seconds but it is not related to Self Cleaning function After holding about 20 seconds the air conditioner will beep 5 times without any blinking of display The Self Cleaning Operation had been cancelled Remark Presetting of Self Cleaning function above AUTO RESTART function had been cancelled To set AUTO RESTART again How to set Self Cleaning function To s
25. ON DESCRIPTION 7 1 Remote control 7 1 1 Function of Push Putton amp C 6 Infrared signal emitter Start Stop button Mode select button MODE Temperature button TEMP Fan speed button FAN Swing louver button SWING Set louver button FIX On timer button ON Off timer button OFF Sleep timer button SLEEP Timer setup button SET Timer clear button CLR Memory and Preset button PRESET One Touch button ONE TOUCH High power button Hi POWER Economy button ECO Quiet button QUIET Comfort sleep button COMFORT SLEEP Filter reset button FILTER Clock Reset button CLOCK Check button CHK 10 2 GO OOO r TOSHIBA AB O A x 0 A Eu Mil 79922 man HiPOWER PRESET FAN g ONE TOUCH MODE 8 QUIET SLEEP 9 e SWING FIX Hid e ECO e 16 TIMER 2 9 CHK erit CLOCK e J FILE NO SVM 09030 7 1 2 Display of Remote Control All indications excep for the clock time indicator are displayed by pressing the button 1 Transmission mark This transmission mark A indicates when the remote controller transmits signals to the indoor unit 2 Mode indicator Indicates the current operation mode A Auto XX Cool D
26. OR CAPACITOR PLASTIC FILM TERMINAL 4P 4 WAY VALVE COIL V 4WAY AC220 240V 50Hz DRAIN NIPPLE CAPILLARY TUBE 1 2 DIA TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND
27. P C board 2 When removing the P C board hold the edge of 2 The board consists of the following 2 parts the P C board and do not apply force to the a Main P C board part power relay indoor fan motor drive circuit parts 90 3 When connecting or disconnecting the connec control circuit C P U and peripheral circuits tors on the P C board hold the Whole housing buzzer drive circuit and buzzer b Infrared rays receive and indication parts Do not pull at the lead wire Infrared rays receiver unit and LED 54 3 Checking procedure Procedure Shut off the power supply and remove the P C board assembly from the electronic parts base Remove the connecting cable from the terminal block Table 9 6 1 Check Point Symptom 1 Is the fuse blown FILE NO SVM 09030 Causes 1 Application of shock voltage e Overload by short circuit of the parts Remove the connector for the motor and turn the power on If the OPERATION lamp blinks 0 5 sec ON 0 5 sec OFF when the power turning on the checking points described as 1 4 of right column are not necessary to perform Voltage check 1 Between TP1 and N AC 220 240V 2 Between and of DC 310 340V 3 Between 12V and 4 Between 5V and GND GND AC power cord is defective e Poor contact of the terminal plate e Miss wiring of the power
28. R PIPE HOLDER Location 66 43T03364 43T39327 43T39328 43T39329 43T09409 43T79313 43T44413 43T00496 43T80318 43T80319 43T09416 FILE NO SVM 09030 Electric Parts Assembly Description BACK BODY ASSEMBLY BEARING BASE MOTOR BAND LEFT MOTOR BAND RIGHT HORIZONTAL LOUVER CAP DRAIN REFRIGERANT CYCLE ASSEMBLY PANEL SERVICE ASSEMBLY AIR FILTER R AIR FILTER L GRILLE OF AIR INLET 11 3 Outdoor Unit Location No O OQ GQ N 43T42328 43T41380 43T49008 43T97001 43T43383 43T00448 43T46332 43T46335 43T47331 43T47333 43T47008 43T00468 43T00459 43T00451 43T21362 43T20319 43T47001 Description BASE PLATE ASSEMBLY COMPRESSOR Made in China CUSHION RUBBER NUT CONDENSER ASSEMBLY FIXING PLATE VALVE VALVE PACKED 6 35 DIA VALVE PACKED 12 7 DIA H4 BONNET 6 35 DIA BONNET 12 70 DIA CAPILLARY TUBE 1 5 DIA FRONT CABINET LEFT CABINET RIGHT CABINET ASSEMBLY FAN MOTOR Made in China PROPELLER FAN NUT FLANGE FILE NO SVM 09030 11 CAPILARY TUBE 1 5 Dia 35 CAPILARY TUBE 1 2 Dia 43T19329 43T04301 43T39333 43T39318 43T19330 43T00460 43T96305 43T62325 43T19331 43T61308 43T55350 43T55325 43T60373 43746337 43746339 43779305 43747007 Description FAN GUARD PARTITION MOTOR BASE CONNECTION PLATE MOTOR BASE PACKED VALVE COVER UPPER CABINET ASSEMBLY BUSHING ELECTRIC PART COVER FIN GUARD ELECTRIC PARTS BASE MF CAPACIT
29. TOSHIBA FILE NO SVM 09030 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS 13SKHP ES RAS 13S2AH ES January 2009 pU Om on 10 11 CONTENTS SPECIFICATIONS CONSTRUCTION VIEWS 2 1 Indoor Unit 2 2 Outdoor Unit WIRING DIAGRAM SPECIFICATION OF ELECTRICAL PARTS REFRIGERATION CYCLE DIAGRAM CONTROL BLOCK DIAGRAM OPERATION DESCRIPTION 7 1 Remote Control 7 2 Outline of Air Conditioner Control 7 3 Description of Operation Mode 7 4 Drescription of Safety and Reliability Prevention Function 7 5 One Touch Operation 7 6 Hi POWER Operation 7 7 QUIET Operation 7 8 ECO Operation 7 9 COMFORT SLEEP Operation 7 10 FILTER Check lamp 7 11 Auto Restart Function 7 12 Self Cleaning Operation INSTALLATION PROCEDURE 8 4 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 Others 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 Troubleshooting Flowcharts 9 6 Troubleshooting for Remote Control Including the Indoor P C Board PART REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy 11 2 Indoor Unit 11 3 Outdoor Unit FILE NO SVM 09030 FILE NO SVM 09
30. Turn off the power supply once The remote control The indoor unit and or remote does not work then turn it on Try to operate still does not work control is are defective the remote control The remote control OK works The outdoor fan The compressor operates The outdoor unit Outdoor fan does not rotate motor is defective The compressor does not operate An internal part of the compressor or PCB is defective 43 FILE NO SVM 09030 9 4 Self Diagnosis by Remote Controller Check Code 1 If the lamps are indicated as shown B to E in Table 9 3 1 execute the self diagnosis by the remote controller 2 When the remote controller is set to the service mode the indoor controller diagnoses the operation condi tion and indicates the information of the self diagnosis on the display of the remote controller with the check codes If a fault is detected all lamps on the indoor unit will flash at 5Hz and it will beep for 10 seconds Beep Beep Beep The timer lamp usually flashes 5Hz during self diagnosis 9 4 1 How to Use Remote Controller in Service Mode S TOSHIBA DI Jj TEMP Y PRESET QUIET SLEEP SWING FIX Hi POWER ECO 0000 Ms Alphanumeric characters are used for the check codes Uis 5 B is 6 His A h is B isC d is D TIMER COCR Press CHECK button with a tip of pencil to set the remote con
31. WER ECO 000 o o ON OFF o 0 CHK FILTER CLOCK N p 9 6 4 How to set cancel the self cleaning function The self cleaning function is set from a factory To cancel this function should keep press the RESET button for 20 seconds till can hear the long combination sound and repeat the same procedure when need to set _ 56 FILE NO SVM 09030 10 HOW TO REPLACE THE MAIN PARTS WARNING Since high voltages pass through the electrical parts turn off the power without fail before proceeding with the repairs Electric shocks may occur if the power plug is not disconnected After the repairs have been completed after the front panel and cabinet have been installed perform a test run and check for smoking unusual sounds and other abnormalities If this check is omitted a fire and or electric shocks may occur Before proceeding with the test run install the front panel and cabinet Ensure that the following steps are taken when doing repairs on the refrigerating cycle 1 Do not allow any naked flames in the surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite any oil mixed with the refrigerant gas Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated Do not bring welding equipment near flammable objects Fl
32. agnoses the operation condition and 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 e Temperature measurement at the air outlet of the indoor heat exchanger by the indoor temperature sensor e Temperature setting of the indoor heat exchanger by the heat exchanger sensor Louver motor control Indoor fan motor operation control LED display control Transferring of operation commands to the outdoor unit 9 3 1 Role of indoor unit controller Table 9 3 1 OPERATION lamp is blinking 1Hz Power failure when the power supply is turning on OPERATION lamp is blinking 5Hz OPERATION lamp is blinking 5Hz OPERATION lamp is blinking 5Hz Indoor fan motor lock or failure OPERATION lamp is blinking 5Hz Indoor P C board failure OPERATION and TIMER lamps are blinking Wrong wiring of connecting cable 5Hz OPERATION TIMER and PRE DEF Cycle failure or FAN ONLY for cooling only model lamps Gas shortage or other refrigerant cycle trouble are blinking e Heat exchanger sensor open break or short e Overload relay or thermostat trouble of compressor Thermo sensor TA short or break Heat exchanger sensor TC short or break Table 9 3 2 Diagnosis by detective operation Symptom Primary judgement The remote control
33. ames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir cuitry wear rubber gloves to avoid contact with the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this unit Proceed very carefully when conducting checks since directly touching the parts on the control circuit board may result in electric shocks 10 1 Indoor Unit Part name Procedures Remarks Front panel 1 Stop operation of the air conditioner and turn off its main power supply 2 Open the air inlet grille push the arm toward the outside and remove the grille 3 Remove the left and right air filters Part name Front panel FILE NO SVM 09030 Procedures Remarks 4 Press PUSH part under the front panel and remove hooks of the front panel from f the installation plate Installation plate Front panel 5 Remove the front panel fixing screws 2 pcs 6 Take off three hooks of panel from rear side Three hooks pauz lt How to assemble the front panel gt 1 Press three center positions and two lower center positions of the air outlet and then hang the hanging hooks 3 pcs at the top side of the front panel to the rear plate 2 Tighten two screws Incomplete hanging or incomplete pressing may cause a dewdrops or gene
34. between indoor NO and outdoor units correct YES Check items as following procedure in 9 5 4 9 5 5 9 5 6 FILE NO SVM 09030 See Power can not be turned on See Power can not be turned on Relays RY01 or Q07 or IC30 is failure Correct cabling between indoor and outdoor units 48 Replace the P C board 9 5 4 Only compressor does not operate Shut off the power supply from AC outlet once and turn it on after 5 seconds YES NO Does the OPERATION lamp blink Does the power turn on by pushing the 5 button of the remote control NO YES Is the voltage across the indoor terminal NO D 3 220 240V YES Is cable connection between indoor NO and outdoor units correct YES Is the voltage across the outdoor terminal N NO D 220 240V YES NO Are all the cords for compressor normal YES 15 the compressor motor winding normal NO Check the winding resistor YES NO Is the capacitor for compressor normal YES NO Is the overload relay normal YES NO Does the compressor start YES Compressor starts but it stops after a while YES Is the gas quantity normal NO Check the pressure YES Compressor is defective See Power can not be turned on See Power can not be turned on Relays RY01 or Q07 or IC30 is failure FILE NO SVM 09030 Replace the P C b
35. d 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 Air conditioner starts to operation when the signal is received even if the air conditioner was OFF Operation mode is set according to room temperature the same as AUTO mode Target temperature is 24 C Louver position is set as stored position Fan is controlled as diagrom OQ N 2 505 lt 19 7 6 Hi POWER Operation Hi POWER button on the remote control is pressed When Hi POWER button is pressed while the indoor unit is in Auto Cooling or Heating operation Hi POWER mark is indicated on the display of the remote control and the unit operates as follows 1 Automatic operation e The indoor unit operates in according to the current operation 2 Cooling operation The setting temperature drops 3 C The value of the setting temperature on the remote control does not change e f the room temperature is higher than the setting temperature by 3 5 C or more the horizontal louver moves to the Hi POWER position automatically Then when the room temperature is 1 C less than the setting temperature the horizontal louver returns automatically
36. e a loop as shown in the installation diagram of indoor and outdoor unit to prevent water coming in the outdoor unit Insulate the unused cords conductors from any water coming in the outdoor unit Proceed them so that they do not touch any electrical or metal parts Stripping length of connecting cable 100 mm 10mm Earth line Terminal gt screw QA Terminal block 10 mm N Connecting _ X 50 mm cable Cord clamp Fig 8 5 9 CAUTION Wrong wiring connection may cause some electrical parts burn out e 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 P NOTE Wire type HO7RN F or 245 IEC66 2 0 mm or more FILE NO SVM 09030 8 6 How to Set Remote Control Selector Switch When two indoor units are installed in the seperated rooms It is not necessary to change the selector switches Remote control selector switch gt When two indoor units are installed in the same room or adjacent two rooms if operating a unit two units may receive the remote control signal simultaneously and operate In this case the operation can be preserved by setting either one indoor unit or remote control to B setting Both are set to A setting in factory shipment The remote control signal is not received when the settings of indoor unit and remot
37. e control are different There is no relation between A setting B setting and A room B room when connecting the piping and cables Remote control A B selection gt To separate using of remote control for each indoor unit in case of 2 air conditioners are installed nearly 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 Press MODE during pushing CHK B will show on the display and 00 will disappear and the air conditioner will turn OFF The Remote Control B is memorized NOTE 1 Repeat above step to reset Remote Control to be A 2 Remote Control A has not A display 3 Default setting of Remote Control from factory is A AL em Ld W sa hc S 40 8 7 Others 8 7 1 Gas leak test the indoor unit Valve cover n o DR IP Electric parts cover Vq aa Fig 8 7 1 Check places for the outdoor unit e Check the flare nut connections valve stem cap connections and service port cap connections for gas leak with a leak detector or soap water 8 7 2 Test operation To switch the TEST RUN COOL mode press RESET button for 10 sec The beeper will make a short beep F
38. e indoor fan cross flow fan is operated by the phase control induction motor The fan rotates in 5 stages in MANUAL mode and in 5 stages in AUTO mode respectively Table 7 2 3 When setting the fan speed to L L M M or H on the remote controller the operation is performed with the constant speed shown in Table 7 2 1 and Table 7 2 2 Table 7 2 2 Heating Indication Fan speed Indication Fan speed L Low L Low L L 72 L PL L M 2 M PTL M H 2 PTL Med M H 2 H aua High High 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level show in Table 7 2 3 according to the setup temperature room temperature and heat exchanger temperature Cooling OPERATION Fan only MODE Dry rpm 1300 RAS 13SKHP ES Air flow volume m h 620 12 FILE NO SVM 09030 7 3 Description of Operation Mode 7 3 2 Cooling operation 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 power supply is cut off 1 The compressor 4 way valve outdoor fan and i isplay h i 2 When pressing 6 button on the display lamp are controlled as shown in
39. eating operation starts The PRE DEF lamp is indicated during the Defrosting operation or if the indoor heat exchanger temperature is low when the Heating operation starts At this time the indoor fan motor stops to prevent cold air from blowing in the room The outdoor fan motor stops in the Heating operation When the indoor heat exchanger temperature is high the outdoor fan motor is stopped by the high temperature limit control operation the room temperature is in the range that the compressor is turned on The compressor is not turned on even though The compressor is not turned on in the restart delay timer 3 minutes timer operation It is also not turned on after the power supply is turned on because of this timer operation The operation mode changes in the Automatic operation In Automatic operation the room temperature is detected all time for control fan speed and the operation mode is changed every 15 minutes according to difference between the room temperature and the preset temperature The Fan only operation continues in the Automatic operation When the room temperature is in the range Preset temperature 1 C the Fan only operation is selected The Hi POWER operation does not work This operation does not work when the unit is in the Dry operation or Fan only operation 42 FILE NO SVM 09030 9 3 Primary Judgement 9 3 2 Failure diagnosis The indoor unit di
40. ency will take adequate countermeasures 27 FILE NO SVM 09030 8 2 Installation Diagram of Indoor and Outdoor Units For the rear left and left piping 65 mm or more Installation plate Wall Insert the cushion between the indoor unit and wall and tilt the indoor unit for better operation Do not allow the drain hose to get slack Cut the piping Shield pipe hole sloped Super Oxi Deo filter slightly SIE Super Sterilizer filter ds Make sure to run the drain hose sloped downward Pd 4 Remote control holder The auxiliary piping can be connected Batteries to the left rear left rear right right Vinyl tape bottom right or bottom left o Apply after carrying out a drainage test Right i Rear Z right m Left Bottom Rear right let Bottom left Q I Ed 600 mm or more 3 Q g CA S Saddle Insulate the refrigerant pipes separately with insulation not Extension drain hose Not available provided by installer Before installing the wireless remote controller Loading Batteries 1 Remove the battery cover 2 Insert 2 new batteries AAA type following the and positions P d d amp y 9 Batteries 2 Wireless remote controller 28 8 3 Installation 8 3 1 Optional installation parts ied Parts name Q ty Refrigerant pip
41. et the Self Cleaning function proceed as follows Press RESET button one time or use remote control to turn on air conditioner Display will show in green color Hold down the RESET button for more than 20 seconds The air conditioner will stop suddenly when the RESET is pressed but keep holding it continue Then will beep 3 times is the first 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 25 Presetting of Self Cleaning function above AUTO RESTART function had been cancelled To set AUTO RESTART again i li FILE NO SVM 09030 8 INSTALLATION PROCEDURE 8 1 Safety Cautions For general public use Power supply cord of parts of appliance for Outdoor use shall be at least polychloroprene sheathed flexible cord design H07 RN F or cord designation 245 IEC66 Shall be installed in accordance with national wiring regulations CAUTION To Disconnect the Appliance from the Main Power Supply This appliance must be connected to the main power supply by means of a circuit breaker or a switch with a contact separation of at least 3 mm in all poles If this is not possible a power supply plug with earth must be used This plug must be easily accessible after installation The plug must be disco
42. f operation commands to the outdoor unit e Receiving of information of the operation status and judging of the information or indication of error Role of outdoor unit controller The outdoor unit controller receives the operation commands from the indoor controller and executes them e Compressor operation control Operation control of outdoor fan motor Operations according to the commands from the indoor unit Table 7 2 3 Indoor fan and air flow rate FILE NO SVM 09030 e Turning off the compressor and outdoor fan when the outdoor unit receives the shutdown command e Defrost control in heating operation Temperature measurement by the Indoor heat exchanger control the four way valve and outdoor fan motor control 7 2 1 Louver control 1 2 Vertical air flow louver Position of veritcal air flow louver is automatically controlled according to the operation mode Besides position of vertical air flow louver can be arbitrarily set by pressing FIX button The louver position which is set by FIX button is stored in the microcomputer and the louver is automatically set at the stored position for the next operation Swing If SWING button is pressed when the indoor unit is in operation the vertical air flow louver starts swinging When SWING button is pressed it stops swinging 7 2 2 Indoor Fan Control 1 Table 7 2 1 Cooling The operation controls the fan speed at indoor unit side Th
43. fective Replace the remote control Replace the thermal fuse set Check connection P C board is defective Check Resistance of Pin 1 and 3 of Fan motor 1620 Re wiring the cable Replace Fan motor and P C board Replace P C board Be sure to disconnect the motor connector CN10 after shut off the power supply or it will be a cause of damage of the motor 46 FILE NO SVM 09030 9 5 2 Power can not be turned on after replacing indoor P C board lt Checking Procedure gt Connect the AC Power supply Does the OPERATION lamp blink Is itwiredds shown Return the wiring of the in Figure below power relay is returned to the normal procedure YES To the paragraph of No Power turns on RYO1 White TO1 Black PC Board g GreenYellow ig ASM Terminal block 47 9 5 3 Outdoor unit does not operate Shut off the power supply from AC outlet once and turn it on after 5 seconds NO Does the OPERATION lamp blink YES Does the power turn on by pushing NO the button of the remote control YES Is AC 220 240V supplied between NO terminal block 2 YES Is cable connection
44. g out upword Remove the front cabinet 8 Screws 24 x 10L Pull the front right portion toward you and remove it pulling out upward Packed valve cover gt Upper gt cabinet Front cabinet Capacitor for 1 Perform the common procedure 1 pm Capacitor band compressor 2 Remove the fixing screw and the capacitor band 1 Screw 24 10L 3 Disconnect the lead wires Capacitor for 1 Perform the common procedure 1 fan motor 2 Remove the fixing screw and the capacitor band 1 Screw 4 10L 3 Disconnect the lead wires Capacitor for fan motor 64 FILE NO SVM 09030 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy Location Description No 43T60385 TERMINAL BLOCK 2P 43T60365 TERMINAL BLOCK 3P 43T69004 SENSOR HEAT EXCHANGER 43T69005 SENSOR THERMOSTAT 43T69641 PC BOARD ASSY WRS LED Location No 406 407 410 411 _ 65 43760077 43760396 43762003 43769811 406 403 404 410 Description FUSE TEMPERATURE 73C TERMINAL BLOCK 3P CORD CLAMP PC BOARD 11 2 Indoor Unit Location No 43T21397 43T21409 43T22312 43T70313 43T20325 43T49010 43T83003 43T60382 43T82310 43T19333 43T09408 Description LOUVER MOTOR FAN MOTOR BEARING ASSY MOLD HOSE DRAIN CROSS FLOW FAN ASSEMBLY PIPE SHIELD HOLDER REMOTE CONTROL MOTOR CORD INSTALLATION PLATE HOLDER SENSO
45. he unit is not required to operate at this time press RESET button once more or use the remote controller to turn it off When the unit is in operation Operation Motions Press RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds j The unit stops operating The green indicator 15 turned off After approx three seconds The unit beeps three times The green indicator blinks for 5 seconds If the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on RESET 22 _ FILE NO SVM 09030 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 stand by not operating Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds The unit starts to operate The green indicator is on After approx three seconds The unit beeps three times and continues to operate If the unit is not required to operate at this time press RESET button
46. ig 8 7 2 FILE NO SVM 09030 8 7 3 Auto restart setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure The product was shipped with Auto Restart function in the off position Turn it on as required lt How to set the auto restart gt e Press and hold the RESET button for about 3 seconds After 3 seconds the electronic beeper makes three short beeps to tell you the Auto Restart has been selected e To cancel the Auto Restart follow the steps described in the section Auto Restart Function of the Owner s Manual 41 FILE NO SVM 09030 9 TROUBLESHOOTING CHART 9 1 Troubleshooting Procedure Follow the details of 9 2 Basic Chec k Items If there is no trouble corresponding to 9 2 check whether or not there are faulty parts following 9 4 Self Diagnosis by Remote Control 9 2 Basic Check Items 9 2 1 Power supply voltage The line voltage must be AC 220 240V If it is not within this range the air conditioner may not operate normally 9 2 2 Incorrect cable connection between Indoor and outdoor units The indoor unit is connected to the outdoor unit with 5 cables Heat pump model or 3 cables Cooling Only model Check that the indoor and outdoor units have been properly connected with terminals assigned the same numbers If the connectors are not properly connected the outdoor unit will not opera
47. ing One A Liquid side 26 35 mm ach Gas side 212 70 mm B Pipe insulating material 1 polyethylene foam 6 mm thick Putty PVC tapes One each lt Fixing bolt arrangement of outdoor unit gt 600 mm 108mm Air inlet a e tle gy Air outlet Drain outlet 86 mm P 320 Fig 8 3 1 FILE SVM 09030 e Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong wind e Use 28 mm or 210 mm anchor bolts and nuts 29 8 3 2 Accessory and installation parts FILE NO SVM 09030 Par No Part name Q ty Part No Part name Q ty Par No Part name Q ty i Installation plate x 1 Remote control holder 1 On Imm Mounting screw 24 x 25 x 6 Wireless remote control x 1 Super Oxi Deo filter x 1 head wood screw 3 1x16 2 x2 9 Battery x 2 ATINI Super Sterilizer filter x 1 9 Others Name Owner s manual Installation manual 30 Cap water proof x 2 The part marked with asterisk is packaged with the outdoor unit FILE NO SVM 07037 1 8 4 Indoor Unit 8 4 1 Installation place 8 4 2 Cutting a hole and mounting installation e A place which provides the spaces around the plate indoor unit as shown in the diagram
48. ing so as to keep the inside of the air conditioner clean Self Cleaning operation When the cooling or dry operation shuts down the unit automatically starts the Self Cleaning operation which is then performed for the specified period based on duration of the operation which was performed prior to the shutdown after which the Self Cleaning operation stops The Self Cleaning operation is not performed after a heating operation 2 Operation 1 When the stop signal from the remote controller or timer off function is received only the timer indicator light 2 The period of the Self Cleaning operation is determined by the duration of the operation performed prior to the reception of the stop code 3 After the Self Cleaning operation has been performed for the specified period the unit stops operation Self Cleaning operation time No Self Cleaning operation performed 0 minutes Cooling Auto cooling Dry 10 minutes or longer 20 mins Heating Auto heating Auto fan only Shutdown No Self Cleaning operation performed To stop an ongoing Self Cleaning operation at any time Press the start stop button on the remote controller twice during the Self Cleaning operation After pressing the button for the first time press it for the second time without delay w ithin 10 minutes 24 7 12 1 Self Cleaning diagram Operation display ON FILE NO SVM 09030 O
49. istance Q C R C S at 20 C 2 35 3 22 Fan motor for outdoor WLF 240 42A Output Rated 42W 6poles 1 phase 220 240V 50Hz Winding resistance Q Red Black White Black at 20 C 188 289 Running capacitor for fan motor DS451155NPQB AC 450V 1 5uF Running capacitor for compressor B3233215306J063 AC 450V 30uF Solenoid coil for 4 way valve for Heat pump model STF 01AJ503H1 AC 220 240V 50Hz FILE NO SVM 09030 5 REFRIGERATION CYCLE DIAGRAM T1 lndoorunit __ Heat exchanger 1 Cooling c 0 39 0 49 m Connecting pipe Connecting pipe iod lt Cross flow fan 26 35 O D 6 35 mm P Packed valve Packed valve lt 2127 26 35 gt r ee A Heating 4 way valve E RS Heating Cooling Compressor PA150X2C 4FT Y Capillary tube Capillary tube 3 Accumulator 1 5 1100 3 21 2 8000 L Heat exchanger CSS N Refrigerant sS l Propeller fan R410A 0 95 kg E Cooling Outdoor unit Mark means check points of Gas Leak Heating Ambient temp Standard Surface temp of heat Fan speed conditions DB WB pressure P exchanger interchanging indoor C MPaG ipe pipe T1 Indoor Outdo
50. mains in either of the following two ways 1 Connection to fixed wiring CAUTION A switch or circuit breaker which disconnects When installing the installation plate with a all poles and has a contact separation of at mounting screw do not use the anchor bolt hole least 3 mm must be incorporate in the fixed Otherwise the unit may fall down and result in wiring An approved circuit breaker or personal injury and property damage switches must used 2 Connection with power supply plug Installation plate Attach power supply plug with power cord Keep horizontel direction and plug it into wall outlet An approved Ld sa a power supply cord and plug must be used C Bol s n NOTE gt O gt ee e Ensure all wiring is used within its electrical rating Projection 5 mm dia hole 15 mm or less lt Power source 50Hz 220 240 V Single phase e em A mounino E screw Maximum 12 4 x 252 running current ww CERES anchor 16 local parts Power cord 1 5 mm or more Fig 8 4 4 Failure to firmly install the unit may result in personal injury and property damage if the unit falls e Incase of block brick concrete or similar type walls make 5 mm dia holes in the wall e Insert clip anchors for appropriate 7 mounting Screws NOTE e Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it 89 Wiring Connection How to connec
51. nnected from the power supply socket in order to disconnect the appliance completely from the mains FOR USE BY QUALIFIED PERSONS ONLY TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK CONNECT THE CONNECTING CABLE CORRECTLY IF THE CONNECTING CABLE IS CONNECTED WRONGLY ELECTRIC PARTS MAY BE DAMAGED CHECK THE EARTH WIRE THAT IT IS NOT BROKEN OR DISCONNECTED BEFORE INSTALLATION DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT OVERHEATING THE INDOOR UNIT AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEATORS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT R22 WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CYCLE BECOMES ABNORMALLY HIGH AND IT RESULTINGLY CAUSES BURST OF THE PIPE AND INJURIES ON PERSONS IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED BY FIRE OR SOMETHING ELSE IT CAUSES GENERATION OF POISONOUS GAS WARNING Never modify this unit by removing any of the safet
52. oard Correct cabling between indoor and outdoor units 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 Gas shortage Gas leakage 49 9 5 5 Only outdoor fan does not operate Shut off the power supply from AC outlet once and turn it on after 5 seconds NO Does the OPERATION lamp blink YES Does the power turn on by NO pushing the 5 button of the remote control YES Is the voltage across the indoor terminal 4 Heat pump model 1 2 Cooling only model AC 220 240V YES Is cable connection between indoor NO and outdoor units correct YES Is the voltage across the terminal NO Heat pump model 4 Cooling only model AC 220 240V YES Are all the cords for outdoor NO fan motor normal YES Is the outdoor fan motor winding normal NO Check the winding resistance YES NO Is the capacitor for compressor normal YES Outdoor fan motor is defective See Power can not be turned on See Power can not be turned on Relays RY03 or Q09 or IC30 is failure FILE NO SVM 09030 Replace the P C board Correct cabling between indoor and outdoor units Cables between indoor and outdo
53. omfort sleep function will be activate togetther with Auto shut down function Period of operation time can be select by re press the COMFORT SLEEP button The period of operation time are follows gt 1H gt 5H 9H Cancel lt 20 Heating mode e The preset temperature will drop down 1 C after the comfort sleep mode has operated for 1 hour and the temperature will decrease another 1 C after the comfort sleep mode has operated for 2 hour The value of the preset temperature on the remote control does not change e Press the COMFORT SLEEP button to select this function and period of operation time same as cooling mode operation The principles of comfort sleep mode are e Quietness for more comfortable When room temperature reach setting temperature e Save energy by changing room temperature automatically e The air condition can shut down by itself auto matically Remarks Comfort sleep mode will not operate in dry mode and fan only mode FILE NO SVM 09030 7 10 FILTER Check lamp When the elapsed time reaches 1000 hours after air purifier operation the FILTER indicator lights After cleaning the filters turn off the FILTER indicator How to Turn Off FILTER Indicator Press RESET button on the indoor unit or press filter button on the remote control NOTE If RESET button is pushed while the FILTER indicator is not lit the indoor unit will s
54. on with low fan setting in cool operation Does connecting terminal connecting cable or power supply cord completely Does not found the short wire about connecting cable and power cord YES Does AC 120V or higher voltage apply to between red and black lead of fan motor YES Shut off the power supply Thermal fuse operated due to prevent temperature rising cause of incompleted connecting Does the cross flow NO Repair the fan rotate normally YES bearing of the fan Change the setting of cooling to high fan Turn on the power supply Motor control circuit failure ICO3 or 12V power circuit failure Does the fan rotate NO NO YES Does the fan speed Operation become higher stops YES Replace the P C board Is the rotation signal DC 5V 0V output between 2 gray lead wire and 3 brown lead wire of the motor connector CN11 when rotating Replace the fan motor the cross flow fan by hand in no operating status 1 pulse one turn Replace connecting the cable or power cord thermal fuse and terminal block Replace the control 52 FILE NO SVM 09030 9 6 Troubleshooting for Remote Control Including the Indoor P C Board There is no been from the indoor unit The operation lamp of the air conditioner main unit does not light Push the d button Does the
55. once more or use the remote controller to turn it off RESET When the system is operating Operation Motions Press RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds The unit stops operating The green indicator is turned off After approx three seconds The unit beeps three times If the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on 7 11 3 Power Failure During Timer Operation When the unit is turned off because of power failure during timer operation the timer operation is cancelled In that case set the timer operation again NOTE The Everyday Timer is reset while a command signal can be received from the remote controller even if it stopped due to a power failure s99 7 12 Self Cleaning Operation Unit now performing cooling or dry operation Press STOP button Only timer indicator lights and Self Cleaning operation starts Time set n ow elapses Operation stops During Self Cleaning operations The louver opens slightly The indoor fan operates continuously at a speed of SL rpm Self Cleaning operation times Operation time Up to 10 minutes FILE NO SVM 09030 1 Purpose The Self Cleaning operation is to minimize the growth of mold bacteria etc by running the fan and dry
56. or Standard 2 66 44 8 High 20 15 7 6 Heating Overload 1 2 85 3 36 45 9 53 2 Low 27 24 18 Low temperature 2 65 43 9 High 20 10 10 Standard Cooling Overload Low temperature e Measure the heat exchanger temperature at the center of U bend By means of TC sensor 1 e During heating overload operation a value for the high temperature limit control operation is included 8 FILE NO SVM 09030 6 CONTROL BLOCK DIAGRAM Operation Functions Display Heat Exchange sensor Timer Thermo Sensor Display e Louver Control Filter Sign Display Current Sensor e 3 minutes Delay at Restart Compressor Current for Compressor Infrared Rays Signal Reciver Hi Power Sign Display Initiallizing Circuit e Motor Revolution Control Clock Frequency e Processing Oscillator Circuit Temperature Processing e Timer PRE DEF Sign Display Indoor Fan Motor 1 Power Supply Compressor Louver Circuit ON OFF ON OFF ON OFF ON OFF Signal Signal Signal Signal Noise Filter Relay Driver Louver Driver Louver Motor ZN RYO1 RY03 RY04 I 220 240 V 50Hz REMOTE CONTROL infrared Rays Remote Control mo a rumi AUTO COOL DRY HEAT FAN ONLY Fan Speed Setcion on TNE Song 3 3 imas ems FILE NO SVM 09030 7 OPERATI
57. or units are defective Correct the wire or replace the defective cords Outdoor fan motor is defective Capacitor for outdoor fan motor is defective 50 FILE NO SVM 09030 9 5 6 Only 4 Way valve does not operate During heating operation Shut off the power supply from AC outlet once and turn it on after 5 seconds YES Does the OPERATION lamp blink Does the power turn on by pushing the 5 button of the remote control YES Is the voltage across the indoor terminal Q5 220 240v YES Is cable connection between indoor and outdoor units correct YES Is the voltage across the outdoor terminal 220 240V YES Is the wiring of solenoid coil for 4 way valve normal YES 4 way valve is defective NO NO NO NO See Power can not be turned on See Power can not be turned on Relays RY04 or Q08 R34 or IC30 is failure Correct cabling between indoor and outdoor units Cables between indoor and outddor units are defective Solenoid coil is defective 51 Replace the P C board FILE NO SVM 09030 9 5 7 Only the indoor fan does not operate lt Check procedure gt Shut off the power supply once Turn the power supply Does the fan stop in NO Control P C board is defective Replace the P C board no operating status YES Start the operati
58. other parts at a height above the drain guide Wall Drain guide Space for pipes 4 Fig 8 4 19 FILE NO SVM 09030 8 5 Outdoor Unit 8 5 1 Installation place e A place which provides the spaces around the outdoor unit as shown in the left diagram A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration A place where the operation noise 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 elevated position be sure to secure its feet An allowable length of the connecting pipe is up to 15m e Anallowable height level is up to 6m A place where the drain water does not raise any problem M CAUTION gt 1 Install the outdoor unit without anything blocking the air discharging 2 When the outdoor unit is installed in a place exposed always exposed to strong wind like a coast or on a high storey of a building secure the normal fan operation using a duct or a wind shield 3 In particularly windy areas install the unit such as to avoid 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
59. peed M L x 2 4 L Linear approximation from M and L 3 Fan speed M L x 1 4 L i Linear approximation from M and L Fig 7 3 1 Setting of air flow FAN AUTO Fig 7 3 3 Setting of air flow FAN AUTO 13 7 3 3 Dry operation IMODE button on the remote control is set IMODE button on the remote control is set to the dry operation FILE NO SVM 09030 7 3 4 Heating operation to the heating operation 1 The compressor 4 way valve outdoor fan and 1 The compressor 4 way valve outdoor fan and operation display lamp are controlled as shown in operation display lamp are controlled as shown in Fig 7 3 4 Fig 7 3 6 CIS JI 9 8 3 Preset 0 S 2 E 9 OFF ON OFF ON p 5 1 o A e 05 Preset 0 e ON ON k temp 91 gt lt E o S ES S yc o gt 5 gt s gt 55 012 5 a SIS ua Oo pe o gt n O O 05 Fbst Fig 7 3 6 2 The microprocessor turns the compressor on and 2 When FAN button is set to AUTO the indoor fan off at the regular intervals 4 to 6 minutes While motor operates as shown in Fig 7 3 7 When the compressor is turning off the indoor fan motor FAN button is set to LOW LOW MED MED or operates in the SUPER LOW position HIGH the motor operates with a constant air
60. r about 3 minutes Fig 7 4 4 after the button is turned on When the compressor is turned on the PRE DEF lamp comes on After the heat ex changer is preheated to about 24 C or higher the PRE DEF Lamp goes off and the indoor fan starts 17 FILE NO SVM 09030 7 4 4 Current Limit Control The microcontroller detects the input current so as to prevent it exceeds a specified value by means of controlling the outdoor fan control as described in 1 and 2 1 Current limit control Cooling operation Control is performed as shown below by detecting the compressor operating current with a current sensor C T Input current Compressor Outdoor fan More than 14 continues for 3 seconds 110A 14 OER More than I3 continues for 5 minutes OFF 10 0A I3 ON Fig 7 4 5 2 Current limit control Heating operation Control is performed as shown in Fig 7 4 6 Input current Compressor Outdoor fan More than 14 continues for 3 seconds OFF 11 0A 14 More than 13 continues for 5 minutes 10 0A I3 6 45 12 OFF 5 40A 11 Fig 7 4 6 18 FILE NO SVM 09030 7 5 One Touch Operation One touch comfort is the fully automated operation that is set according to the preferable condition in a region Fan Operation AUTO AUTO L L 0 12 25 Time after operation starts min AUTO L Fan operates depends on the setting temperature an
61. r bending pipe Use the handle of screwdriver etc Fig 8 4 14 NOTE If the pipe is bent incorrectly the indoor unit may unstably be set 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 e Bind the auxiliary pipes two and connecting cable with facing tape tightly In case of leftward piping and rear leftward piping bind the auxiliary pipes two only with facing tape Indoor unit Sy cable C e 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 connecting pipes to each other and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc e Since dewing results in a machine trouble make sure to insulate both the connecting pipes Use Auxiliary pipes Installation plate CAUTION polyethylene foam as insulating material Kus e When bending a pipe carefully do it not to crush ity 36 the indoor unit the installation plate at the upper hooks Swing the indoor unit to right and left to confirm that it is firmly hooked up on the installation plate While pressing the indoor unit onto the wall hook it at the lower part on the installation plate Pull the indoor unit toward yo
62. ration of a fluttering sound Part name Electric parts box assembly Procedures 1 Follow the procedure up to 3 in D above 2 Remove screw of earth lead attached to the end plate of the evaporator 3 Remove the lead wire cover and remove connector for the fan motor and connec tor for the louver motor from the electric parts box assembly 4 Pull out TC sensor from sensor holder of the evaporator 5 Disengage the display unit by simply pushing at the top of the display unit 6 Remove the fixing screw that secures the electric parts box assembly and remove the assembly How to assemble the electric parts box 1 Hook the top part of the electric parts box assembly onto the claws on the back body and secure it using the fixing screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom FILE NO SVM 09030 Remarks Electric part box cover TC sensor Fan motor Earth Screw connector Fixing screw AC fan motor connector Louver motor connector FILE NO SVM 09030 Part name Procedures Remarks Horizontal louver 1 Remove shaft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the horizon
63. ry XX Heat Fan only 3 Temperature indicator Indicates the temperature setting 17 to 30 4 FAN speed indicator Indicates the selected fan speed AUTO or five fan speed levels LOW LOW MED HIGH _ can be shown Indicate Auto will be appear with Dry operation Dry only PM 11 HiPOWER 5 10 11 12 13 _ 11 TIMER and clock time indicator The time setting for timer operation or the clock time is indicated The current time is always indicated except during TIMER operation Hi POWER indicator Indicates when the Hi POWER operation starts Press the Hi POWER button to start and press it again to stop the operation PRESET indicator Flashes for 3 seconds when the PRESET button is pressed during operation The mark is shown when holding down the button for more than 3 seconds while the mark is blinks Press another button to turn off the mark ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press it again to stop operation 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 Comfort sleep Indicates when comfort sleep is activaled Press comfort sleep button
64. start and room temp is than set 3 C between preset e When 25 minutes or more passed after operation start e Until 12 minutes passed after operation start When 12 to 25 minutes passed after operation start and room temp is 3 C or lower than set temp FAN Manual e Room temp lt Set temp 4 C e Room temp 2 Set temp 3 5 Fig 7 3 8 Cold draft preventing control 4 In order to prevent cold draft when compressor during heating operation Then louver will move to upper position and fan speed will reduce or OFF FILE NO SVM 09030 7 3 5 Automatic operation MODE button on the remote control is set to the automatic operation 1 One of 3 operations Cooling Fan only or Heating is selected according to difference between the preset temperature and the room temperature at which the automatic operation has started as shown in Fig 7 3 9 The Fan only operation continues until the room temperature reaches a level at which another mode is selected Temporary Auto When the RESET button on the indoor unit is pushed the preset temperature is fixed at 24 C and the indoor unit is controlled as shown in Fig 7 3 9 C 5 Cooling operation 3 0 a Fan only operation d a Heating operation 5 Fig 7 3 9 _ 15 FILE NO SVM 09030 7 4 Drescription of Safety and Reliability Prevention Function 7 4 1 Low Temperature Limit Control
65. t the power cord For the air conditioner that does not have power cord connect a power cord to it as mentioned below 1 Open the air inlet grille upward 2 Remove the two screws securing the front panel 3 Slightly open the lower part of the front panel then pull theupper part of the front panel toward you to remove it from the rear plate 4 After removing the front panel remove the power cord connect cover and the cord clamp 5 Connect and secure the power supply cord and secure the cord clamp and the power cord connect cover 6 Put the power supply cord through the notch 7 Be sure to smooth the notch with a Air inlet grille block Cord clamp Screw Screw lt Screw S ak a 4 amp Power supply 2 je Power cord connect cover Fig 8 4 5 33 FILE NO SVM 09030 Stripping length of the power supply cord Earth line Fig 8 4 6 NOTE Use stranded wire only e Wire type HO7RN F or more CAUTION For the air conditioner with the power supply cord If the power supply cord is damaged it must be replaced by the manufacturer the service agency or another similarty qualitied person in order to avoid hazard Taking out the power cord Put the power supply cord through the notch Notch a 8 4 4 Wiring connection lt How to connect the connecting cable gt Wiring of the connecting cable can be carried out without removing the front panel 1
66. tal louver leftward Evaporator 1 Follow to the procedure in the item Heat exchanger 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 Li 2 ad B d 4 Remove one fixing screw on the heat exchage fixing holder to separate the heat exchage from the back body holder L ii Bis e E n d validi nmm 5 Remove right side of the end plate from two fixing rib while sliding slightly the heat exchanger rightward Rib on the right side of the end plate FILE NO SVM 09030 Part name Procedures Remarks Bearing 1 Follow to the procedure in the item 2 Remove the two screws used to secure the bearing base Two screws 3 Remove the bearing base lt Caution at assembling gt If the bearing is out from the housing push it into the specified position and then incorporate itin the main body Bearing Bearing base Part name Fan motor Procedures 1 Follow to the procedure till item 2 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 5 Pull the fan motor outward FILE NO SVM 09030 Remarks Set screw Two Screws Two screws on Motorcover motor band Part
67. tart the automatic operation When you want a temporary operation while the FILTER lamp lights press RESET button to turn off the FILTER lamp 21 FILE NO SVM 09030 7 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 set it to work 7 11 1 How to Set the Auto Restart Function To set the auto restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Press the RESET button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down When the unit is standby Not operating Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds unit starts to The green indicator is on L After approx three seconds The unit beeps three times The green indicator blinks and continues to operate for 5 seconds If t
68. te normally or OPERATION lamp and TIMER lamp will blink 5Hz 9 2 3 Program control The microcontroller operates as shown in Table 9 2 1 to control the air conditioner If there are any opera tional problems check whether or not the problems correspond to Table 9 2 1 If they correspond to the Table they are not problems with the air conditioner but they are indispensable operations to control and maintain the air conditioner properly Table 9 2 1 Operation of air conditioner When the main power supply is turned on the OPERATION lamp on the indoor unit blinks 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 does not change in the Dry operation The indoor fan motor speed is automatically controlled in the Dry operation the room temperature is in the range that the compressor is turned off The compressor is not turned off even though The compressor has a function that it is not turned off for 3 minutes after it is turned on even though the room temperature is in the range that the compressor is turned off though the thermo control is operated in the Dry operation The compressor is not turned on and off even In the Dry operation the compressor is turned on and off automatically at the regular intervals independent of the thermo control The PRE DEF lamp is indicated when the H
69. tion when detected 2 If itis OK check abnormal P C board f Heat exchanger Continued Indicated 1 Check heat exchanger i sensor operation when detected sensor short break abnormal 2 If itis OK check P C board Indoor fan lock All off Indicated 1 Check heat thermal abnormality of when detected fuse is blow or not indoor fan or abnormal Terminal block part thermal fuse break 2 If the thermal fuse is not blow check indoor fan motor Refer to trouble shooting flow charts 1 1 Abnormality of other All off Indicated Replace P C borad I indoor unit when detected board abnormal f I Cable tt 1 Wrong wiring or All off Indicated 1 Check connective J_t connection J disconnection of when detected cable correct if wiring is Thermal connective cable abnormal wrong fuse 2 Terminal fuse cut 2 Check thermal fuse Refrigerant off and Terminal blocks system 3 If it is OK check P C board 1 Otherparts j 77 1 Overload relay or All off Indicated 1 If overload relay and J 1 including LI thermostat for when detected themostat for compres compressor compressor abnormal sor are OK check break refrigerant cycle 2 If refrigerant cycle is OK check P C board 3 If heat exchanger sensor is OK check overload relay and themostat for compressor Content detected by the check codes to fid are stored in memory of the microcomputer even if the
70. transmission indicator blink NO YES Reset the remote control by use the tip pencil push in the RESET hole Is there direct sunlight on the receptor of the air conditioner NO YES Is operation possible when the transmitter is moved fluorescent light nearer to the infrared near by signal receiver of the air conditioner YES Push the 6 YES button Battery life Is there any thyristor NO NO Is operation possible Dose the when setting the temporary switch of the air conditioner main unit to TEST RUN or TEMPORARY AUTO transmission indicator light NO YES Is there any beep and operation YES NO YES Can any signal tone be heard in a trasistor radio when transmitting within 5 cm distance from the radio NO YES Remote control P C board is failure is failure Keep the air conditioner away Avoid direct from thyristor Replace Replace the Normal Replace remote sunlight fluorescent light P C board batteries control 53 FILE NO SVM 09030 9 6 1 How to check the P C board 2 Inspection procedres 1 Operating precautions 1 When a P C board is judged to be defective 1 When removing the front panel or the P C board check for disconnection burning or discolora be sure to shut off the power supply tion of the copper foil pattern or this
71. troller to the service mode is indicated on the display of the remote controller Press or OFFA button If there is no fault with a code the indoor unit will beep once Beep and the display of the remote controller will change as follows ni 144 24d dd 01 de d E7437 The TIMER indicator of the indoor unit flashes continuously b times per 1 sec Check the unit with all 52 check codes H to 33 as shown in Table 11 4 1 Press ONY or OFF Y 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 display of the remote controller e 2 digits alphanumeric will be indicated on the display All indicators on the indoor unit will flash b times per 1 sec Press CLR button After service finish for clear service code in memory is indicated the display of the remote control Press 0 button to release the service mode The display of the remote controller returns to as it was before service mode was engaged Fig 9 4 1 44 FILE NO SVM 09030 Table 9 4 1 Block level Diagnosis function Air i peu Block pit Symptom Conditioner Condition status 71 Indoor Thermo sensor Continued Indicated 1 Check thermo sensor J iJ board j short break opera
72. u to confirm that it is firmly hooked up on the installation plate Hook here E D Installation plate Press unhook Fig 8 4 15 For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing its bottom up at the specified parts Push Push Fig 8 4 16 8 4 7 Drainage 1 Run the drain hose sloped downwards NOTE e Hole should be made at a slight downward slant on the outdoor side Do not form the drain hose into a wavy shape Do not rise the drain hose 7 comm Z La l x x N I dy TH Z Do not put Do not put the drain the drain hose end hose end in into water the drainage ditch Fig 8 4 17 2 Put water in the drain pan and make sure that the water is drained out of doors 3 When connecting extension drain hose insulate the connecting part of extension drain hose with shield pipe Shield pipe E x B B Extension drain hose 1 Drain Inside the room Fig 8 4 18 Arrange the drain pipe for proper drainage from the unit Improper drainage can result in dew dropping 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
73. y guards or bypassing any of the safety interlock Switches Do not install in a place which cannot bear the weight 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 Exposure of unit to water or other moisture before installation could result in electric shock Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully for possible damage Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where noise and discharged air might disturb neighbors To avoid personal injury be careful when handling parts with sharp edges Please read this installation manual carefully before installing the unit It contains further important instructions for proper installation 26 FILE NO SVM 09030 REQUIREMENT OF REPORT TO THE LOCAL POWER SUPPLIER 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 ag

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