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AIR-CONDITIONER

1. 8 10 1015 Installation plate F bolt 26 742 or stud bolt 26 450 20 20 Mount plate S e FIERE eg M10 Suspention bolt rj E Hi w jip Fe 4 9 o000 5 Hen A P ie 4 Y I III pes g gt jd s 18 _ _ u _ _ _ _ Wireless remote control 2 UNDER CEILING amp CONSOLE INSTALLATION Knock out system FILE NO SVM 05015 2 2 Outdoor Unit RAS 24UAH E4 RAS 24UA E4 RAS 24UAX4 RAS 24UA AR4 RAS 18UAX4 T2 96 lpueH 21 801S 886 2 pis seo 66 9 epis pinbr youd ove et 7 88 18A09 SU 9 pueH V8IHSO L
2. auier ET COMFORT Fix TIMER es 5 9H 8 eee GED CHK RESETe cCLOCK e Alphanumeric characters are used for the check code 5 is 5 B is 6 R is A h is B L is C d is D This illustration is only for Heat pump model For Cooling only model there is not the xx symbol 60 4 FILE NO SVM 05015 1 Press CHK button with a tip of pencil to set the remote control to the service mode e 00 is indicated on the display of the remote control e The timer lamp on the indoor unit blinks continuously 5 times per 1 sec Press TIMER A button If there is no fault with a code the indoor unit will beep once Pi and the display of the remote control will change as follows 7700 01 02 1d 1E 22 e Check the unit with all 35 check codes 00 to 22 as shown in Table 9 4 1 e Press TIMER Y button to change the check code backwards If there is a fault the indoor unit will beep for 10 seconds Pi Pi Note the check code on the display of the remote control 2 digits alohanumeric will be indicated on the display All lamps on the indoor unit will blink 5 times per 1 sec Press CLR button After service finish for clear service code in memory e 7F is indicated on the display of the remote control Press 0 button to release the service mode The
3. ee 1 l I l l l INDOOR TERMINAL INDOOR BLOCK i i UNIT na a POWER SUPPLY 4 OUTDOOR 220 240 V 50 Hz UNIT i i 1 1 1 1 1 1 i i i i OUTDOOR TERMINAL N 2 3 BLOCK GRN amp YEL BLK RED BLK CHASSIS RED BLK oor BLK GRY SPARK KILLER RED AB RED x RED gt CAPACITOR js LG 2 CAPACITOR 6 y FAN MOTOR eo GD GD NT z s Rd COMPRESSOR 519 E COMPRESSOR TERMINAL i MAGNETIC CONTACTOR 16 865 THERMO SENSOR HEAT EXCHANGER SENSOR FAN MOTOR FILE NO SVM 05015 4 SPECIFICATION OF ELECTRICAL PARTS 4 1 Indoor Unit Parts name Fan motor for indoor AFP 220 50 4A Specifications Output Rated 50W 220 240V Thermo sensor TA sensor 10kQ at 25 DC DC transformer T01 SWT 47 DC 390V Secondary DC 12V 7V TMP87CM40AN Microcomputer Heat exchanger sensor TC sensor 10kQ at 25 C Line filter 101 SS11V R07190 19mH ACO 7A Diode DB01 D3SBA60 4A 600V Capacitor C02 KMH400VSSN47M22S 47uF 400V Fuse F01 TSCR T6 3A 250V Varistor R21 R22 15G561K 560V Resistor R01 RF 2TK5R6 5 60 2W Louver motor 4 2 Outdoor Unit RAS 18UAH E4 Parts name Co
4. FILE NO SVM 05015 8 4 Indoor Unit lt Remote control usage gt 8 4 1 Installation place e Under Ceiling Installation A place which provides the spaces around the Ceiling indoor unit as shown in the above diagram A place where there is no obstacle near the air inlet and outlet e A place that allows easy installation of the piping to the outdoor unit A place which allows the Front panel to be opened Reception range CAUTION e Direct sunlight or fluorescent light to the indoor unit s wireless receiver should be avoided e The microprocessor in the indoor unit should not be too close to RF noise sources For details see the owner s manual S E lt Remote control gt gt 57 A place where there are no obstacles such as Busan nensi d that may block the signal from the indoor ac distance unit Do not install the remote control in a place exposed Fig 8 4 1 to direct sunlight or close to a heating source such as a stove Console Installation e Keep the remote control at least 1 m apart from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference e The location of the remote control should be determined as shown below Remote control Reception range Wall Floor Reception range Remote contr
5. FILE NO SVM 05015 INFRAREDRA YSRECEIVE ANDINDICA TIONP ARTS COMPRESSOR TERMINAL 13 LOUVER I MOTOR amp J sew COLORIDENTIFICA TION 5 BRW BROWN CN07 m Wm 560 RO9 R507 i WHI WHITE 1 YEL YELLOW BK ODIN 1004 MAINPCB BLU BLUE P04 R22 BLK BLACK MCC 865A GRY GRAY FUSE PNK PINK T6 3A 250VAC R01 ORN ORANGE MW DE IMCC 865B GRN amp YEL GREEN amp 1 YELLOW R21 15 C01 GRN GREEN vann 4 5 PUR PURPLE 2 5 CNO EE 2 WHI_CN31 leno RY401 RYS01 H cRs02 DC12V SE 0 0 9 foe TA R405 CR401 EXCHANGER WRH SENSOR GRN amp YEL po COUTE J401 1 1 I v I CN402 CN401 J FORFLOA TSWITCH FORDRAINPUMP I I Whenyouusefloat I switchyoushould I cutJ401 I I I I 1 1 1 INDOOR INDOOR TERMINAL UNIT BLOCK _ 1 H POWER SUPPLY OUTDOOR 220 240 V 50 Hz
6. FILE NO SVM 05015 INFRARED RAYS RECEIVE I AND INDICATION PARTS LOUVER MOTOR COLOR IDENTIFICATION 4 BRW E BROWN RED RED 5601 RO9 R507 WHI WHITE BLK IC04 N100 CN101 SWITCH YELLOW sort ab N WW MAIN PCB r pce MCC 865A BLK BLACK PNK PNK 250VAC I DBO1 T ORN ORANGE os W GRN amp YEL GREEN amp ROT Los eo GRN GREEN Li mmo JT PUR PURPLE CN30 Ld 602 2 MH ONS i RY401 RY501 cocos 82 lt WE DC12V o 9 4 E THERMO DC5V SENSOR 7 R405 CR501 IC03 CN23 UE I EXCHANGER ml W A SENSOR GRN amp YEL TC 2401 LK I I I 81 CN402 137 2 FOR FLOAT SWITCH FOR DRAIN PUMP OPTION OPTION When you use float i switch you should cut J401 l 22 m nka 1 1 1 1 termina 02 0 O INDOO
7. _ WM8IHSOL 104 1 0 80 104 s lou v LXLL 9 uey uun 100pino Burxiy 404 s lou 92 8 5 H T 1 og jenno OLD 80 10 IJ JO QOL B P ANY 2 40 009 Tp d JO QOL ok 009 Z uoisueuuip 5 021 amp _009 Buiweiq Ied 9 FILE NO SVM 05015 2 4 Outdoor Unit RAS 18UA E4 RAS 18UAX4 RAS 18UA AR4 B Detail Drawing Front Leg A Detail Drawing Back Leg 600 s del R15 R15 310 6 Hole R5 5 310 230 Drain outlet 2 211x14 Hole For 28 210 anchor bolt COVER PV 9436 FAN GUARD TOSHIBA Soren 8 S SN E SGT 9 3 N 310 330 Electrical part cover Liquid side Flare 6 35 Gas side Flare 12 7 e S el 2 Installation dimension Service port ZZ 100 or more enk M Airinlet l gt 600 or more eee ERU 100 or more V Air outlet 600 or mo 4x 211 Long holes For 8 10 anchor bolt 10 3 WIRING DIAGRAM 3 1 RAS 18UFHP E4 RAS 18UAH E4
8. 58 9 3 Primary Judgement 9 3 1 Role of indoor unit controller The indoor unit controller receives the operation commands from the remote control and executes them Temperature measurement at the air 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 FILE NO SVM 05015 9 3 2 Failure diagnosis The indoor unit diagnoses the operation condition and indicates the information of the self diagnosis with the lamps on the display panel of the indoor unit Table 9 3 1 Lamps Self diagnosis OPERATION lamp is blinking 1Hz Power failure when the power supply is turning on OPERATION lamp is blinking 5Hz Thermo sensor TA short or break Heat exchanger sensor TC short or break OPERATION lamp is blinking 5Hz OPERATION lamp is blinking 5Hz Indoor fan motor lock or failure OPERATION lamp is blinking BHz Indoor P C board failure OPERATION and TIMER lamps are blinking 5Hz Wrong wiring of connecting cable OPERATION TIMER and PRE DEF or FAN ONLY or cooling only model lamps are blinking Gas shortage or other refrigerant cycle trouble Heat exchanger sensor open break or short e Overload relay or thermo
9. en Pump FILE NO SVM 05015 6 2 RAS 18UFP E4 RAS 18UFPX4 RAS 18UFP AR4 RAS 18UFPX3 T2 RAS 24UFP E4 RAS 24UFPX4 RAS 24UFP AR4 indoor Unit Control Panel M C U 8 MHz Hi POWER Functions Display Louver Control Heat Exchanger Sensor FILTER Sign Temperature Sensor Display 3 minute Delay at Restart for Compressor e Motor Revolution Control FAN ONLY Sign Display un 2 e Processing Tnitiallizing Circuit Temperature Processing TIMER Display Timer nays Clock Frequency OPERATION 2367 kHz Oscillator Circuit Display Drain Pump ON OFF LI d Compressor ON OFF d Power Suppl I n Louver ON OFF Signal Remote A river Control 1 Louver Driver SM Louver Motor Noise Filter b i Float RYOA Switch Drain Y From Outdoor Unit Compressor REMOTE CONTROL Infrared Rays Remote Control AUTO COOL DRY FAN ONLY mess FILE NO SVM 05015 7 OPERATION DESCRIPTION 7 1 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 conditione
10. ipe T MPaG T Indoor Outdoor Standard 0 4 11 0 High 2719 35 24 High temperature 0 6 12 0 High 32 23 52 31 Low temperature 0 3 1 0 Low 21 15 21 15 SASO Standard s condition Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor 27 FILE NO SVM 05015 6 CONTROL BLOCK DIAGRAM 6 1 RAS 18UFHP E4 RAS 24UFHP E4 Heat Exchanger Sensor Temperature Sensor Infrared Rays Signal Receiver Infrared Rays gt 36 7 kHz From Outdoor Unit nitiallizing Circuit 1 d Clock Frequence Oscillator Circuit Power Supply Circuit Noise Filter Functions e Louver Control 3 minute Delay at Restart for Compressor Motor Revolution Control Processing Temperature Processing e Timer e Drain Pump ON OFF e Serial Signal Communication Louver ON OFF Signal Louver Driver Serial Signal Transmitter Hi POWER Display FILTER Sign Display PRE DEF Sign Display TIMER Display OPERATION Display Indoor Fan Motor Louver Motor E Float Receiver Switch Drain Serial Signal Communication REMOTE CONTROL Infrared Rays Remote Control AUTO COOL DRY HEAT FAN ONLY Temperature Setting EE S k
11. 069 919913 2 Y og 012 8 10 01 ez s lou 81 1 Joyoue 2 009 OLD 8B 10 aneio OUNT pnoy cvw m BIXSID ES 7 10 009 ft 19001 J9 UI JI g R 3 5 18 1 lt 5 05 2 009 10 009 72 900 021 009 uonejeisu 1 Sed FILE NO SVM 05015 2 3 Outdoor Unit RAS 18UAH E4 864 606 prs eta b vre 09 os 061 5 H gd seg iod of 6692 lioq epis pinbi1 SUE 0
12. Cut es Slit for drain hose hole Drain band J 8 Kor Screws Fig 8 4 15 Fig 8 4 12 Other direction piping 1 Cut the slit of connecting only upper direction 3 Place the Drain hose on the U shape space and secure it with the Drain band and two screws Slit for upper piping S J 77 Cover for rear CELL upper piping a Drain hose Fig 8 4 13 Fig 8 4 16 2 Connect the Flexible pipe to the large pipe Gas side Big pipe Che Flexible pipe Fig 8 4 17 48 FILE NO SVM 05015 8 4 5 Console installation lt Install the indoor unit gt Select the terminal of Selector SW from C position to Install the Installation plate D at the wall according to F position the Paper pattern Hang the indoor unit on the hooks of the Installation plate D Fix the lower portion of the indoor unit with Mounting screws 8 2 places J Z ou lt Indoor unit 2 N _ gt Fig 8 4 18 lt Cutting a hole and mounting the installation plate gt When installing the rear piping determine the pipe hole position drill the pipe hole 280 mm at a slight downward slant to the outdoor side e For mounting of the Installation plate D use the Paper pattern whic
13. o 9 5 8 4 38 B8 Fig 7 2 4 Fig 7 2 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 2 7 When the compressor is turning off the indoor fan motor FAN button is set to LOW LOW MED or operates in the SUPER LOW position HIGH the motor operates with a constant air flow The pattern of operation depending on the relation between room temperature and preset C temperatures is shown in Fig 7 2 5 Preset 0 L temp 0 5 Room temp 8 5 5 E e 2 D Preset temp 1 d Preset temp M 5 0 2 55 Compressor H 3 FAN AUTO Outdoor fan c 1 2 The values marked with 1 and 2 are Indoorfan L calculated and controlled by the difference in Super Low motor speed between M and L Fig 7 2 5 Fig 7 2 7 Setting of air flow FAN AUTO 3 FAN button on the remote control is set to AUTO only 4 The ECO and Hi Power operations can not be set 32 3 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 2 8 and Table 7 2 1 NOTES 1 The fan stops for 2 minutes after thermostat OFF 2 A is 24 C when the preset temperature is 24 C or more and is the preset temperature when it is FILE NO SVM 05015 7 2 5 Automatic operation
14. Bottom piping Fig 8 4 23 e Cut or remove the determined direction slit or cover 3 Cover for side piping Cover for rear upper piping Screws Terminal cover Es Cord clamp Earth terminal Fig 8 4 25 Remove the Terminal cover and the Cord clamp Insert the connecting cable into the pipe hole on the wall Insert the connecting cable fully into the Terminal block and secure it tightly with the screw Tightening torque 1 2 N m 0 12kgf m 4 Fix the connecting cable by the Cord clamp with two screws 5 Fix the Terminal cover N lt Stripping length of the connecting cable gt coo di Earth line Fig 8 4 26 NOTE Use strand wire only e Wire type More than 1 5 mm HO7RN F or 245 IEC66 or 1 3 mm AWG 16 2 U amp l w Fig 8 4 27 Connect the earth line to the metallic part mark located at the side of 3P terminal 50 8 4 7 Pipe shield for flare nut connection Joints in liquid and gas pipes of the indoor unit should be insulated with an attached Pipe shield 42 lt How to install the Pipe shield gt 1 Cut the Pipe shield 42 to appropriate length 2 Set the Pipe shield 42 3 In case of a ceiling installation orient the slit
15. Packed valve Packed valve 26 35 i lt C nC 2 2 UU Capillary ME 2 4x15002 P Compressor PH400X3CS 4KT1 Condenser Refrigerant mE Propeller fan R 22 1 70kg Ambient temp Fan speed conditions DB WB indoor C Indoor 2719 35 24 32 23 43 26 21 15 21 15 Standard 50Hz pressure P MPaG Surface temp of heat exchanger interchanging pipe T Standard 0 4 11 0 High High temperature 0 6 12 0 High Low temperature 0 3 1 0 Low Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor 26 FILE NO SVM 05015 5 7 RAS 24UFP AR4 RAS 24UA AR4 I T Indoor unit __ Evaporator 1 0 39m Connecting pipe 0 49 215 88 mm Connecting pipe 2935 mm 0 39m 2722 a Flexible pipe i fa 0715 88 mm lt P 1 O D 6 35 mm O D 15 88 mm i Packed valve Packed valve V7 215 88 26 35 X m mm n p m dl Accumulator Capillary tube 2 4 1400 3 Compressor PH400X3CS 4KTS1 Dryer Condenser Refrigerant Propeller fan R 22 1 70kg Ambient temp Standard Surface temp of heat Fan speed conditions DB WB 50Hz pressure exchanger interchanging indoor C
16. UNIT 1 1 D 1 OUTDOOR 5 TERMINAL N 1 2 BLOCK GRN amp YEL BLK i BLK i RED T GRN amp YEL BLK RED RED CHASSIS IAA SPARK KILLER GRY S 1 L or A MAGNETIC CONTACTOR 2 or B CAPACITOR CAPACITOR RED ap RED 4 B lw 8 we RED 7 A BLK BLK x 7 59 z ac ee FAN MOTOR COMPRESSOR 3 4 RAS 18UFPX4 T2 RAS 18UAX4 T2 COLOR IDENTIFICATION 4 LOUVER MOTOR FILE NO SVM 05015 INFRARED RAYS RECEIVE AND INDICATION PARTS BRW BROWN CN13 RED RED WHI WHITE SG01 R09 R507 YEL YELLOW MAIN PCB BLU BLUE R22 Moe seen BLK BLACK GRY GRAY F0 FUSE PNK PINK 6 250VAC R01 ORN ORANGE ANR IMCC 865B GRN amp YEL GREEN amp L YELLOW T gt GRN GREEN ja PUR PURPLE CN30 C02 5 BLK Pa DE um CN31 RY501 H I cRso2 DC12V I eo THERMO CN27 DC5V o SENSOR R405 CR501 IC03 E EXCHANGER SENSOR GRN amp YEL api Sas ne i J401 1 7 ze I CN402 I
17. i Refrigerant a LIA A i de Cooling Outdoor unit Mark means check points of Gas Leak lt Heating 50H Standard pressure MPaG 2 Surface temp of heat exchanger interchanging pipe T C Ambient temp conditions DB WB C Outdoor Fan speed indoor Indoor Standard 0 3 45 0 High 20 76 Heating High temperature 1 0 4 0 6 49 0 58 0 Low 27 24 18 Low temperature Standard 0 3 34 0 High 20 10 10 Cooling High te mperature Low temperature Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor 1 During heating overload the high temperature limit control operation is included 21 FILE NO SVM 05015 5 2 RAS 18UFP E4 RAS 18UA E4 RAS 18UFPX4 RAS 18UAX4 Indoor unit 0 39m S 0 49m Connecting pipe Connecting pi g pipe 212 70 mm V um 26 35 mm 0 39m V Flexible pipe 212 70 mm lt O D 6 35 mm O D 12 70 Packed valve Packed valve 212 70 26 35 A Capillary tube 2 0 1400 PH340X3C 4KT1 i Dryer Condenser Refrigerant Propeller fan R 22 1 17 kg Outdoor unit Mark means check points of Gas Leak Ambient temp Standard Surface
18. 235 mm or more Fig 8 4 7 Suspension bolt M10 FILE NO SVM 05015 lt Install the indoor unit gt 1 Remove the Side covers and the Installation plate 2 Insert the Suspension bolts into the metal fittings of the indoor unit 3 Set to nuts spring washers and washers on both sides of the metal fittings and then move the indoor unit backward 4 Secure it with the M10 Nuts 4pcs 5 Attach the Side covers to the unit Installation plate Suspension QS SS Suspension bolt 1 Side dii 1 l gt Side cover Fig 8 4 9 lt Condition for installation gt The unit must not decline more than 15 mm in either axis Fig 8 4 10 47 FILE NO SVM 05015 lt Piping and Drain hose installation gt e Rear side piping with Drain hose Recommended The piping direction can be 4 ways as illustrated direction e The Drain hose is only one way Ceiling Upper piping 22222222222 22 175 mm SS STAT Rear piping hole 280 gt lt Ceiling 140 mm Side piping Wall Rear piping Drain hose Fig 8 4 11 ZA Fig 8 4 14 e How to install the Drain hose 1 Remove the two screws and the Drain band 2 Cut a slit for the drain hose hole 1 Cut or remove the determined direction slit or cover 2 Pipes and the Drain hose should be fixed together by the Drain band with two screws
19. N e Air outlet Drain outlet Fig 8 3 1 RAS 18UAX4 T2 RAS 24UAH E4 RAS 24UA E4 RAS 18UA E4 RAS 18UAX4 RAS 18UA AR4 RAS 24UAX4 RAS 24UA AR4 le 600 mm gt 115mm 125 Air inlet 32 5 mm Air inlet 9 So 120 mm 4 n E NL E By Air outlet 90 600 mm Drain outlet Fig 8 3 2 Fig 8 3 3 102 TB 95 73 n 310 mm a 340 mm Air outlet Drain outlet Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong wind Use 28 mm or 210 mm anchor bolts and nuts e If it is necessary to drain the defrost water attach Drain nipple 10 to the bottom plate of the outdoor unit before installing it 43 FILE NO SVM 05015 8 3 2 Accessory and installation parts NO Part name Q ty ak Part name Q ty NO Part name Q ty CA mul 8 Pan head wood screw Installation plate x 1 Filter frame x 2 3 1x 16 x2 Aum Drain nipple x 1 Packaged with Wireless remote control x 1 Bio enzyme amp Ginglo filter x 1 the outdoor unit 8 JJM Battery x 2 Sasa zeolite plus filter x 1 Flexible pipe x 1 Imm ET Remote control holder x 1 Mounting screw 24 x 25 2 x 8 Pipe shield x 1 Others Owner s manual Installation manual 44
20. pipe 15 20 Maximum height difference 8 INDOOR UNIT RAS 18UFHP E4 RAS 18UFP E4 RAS 18UFPX4 RAS 18UFP AR4 RAS 18UFPX4 T2 1093 Dimensions 633 208 Net weight 23 Evaporator type Finned tube Indoor fan type Multi blade fan High fan Air volume Medium fan Low fan Fan motor output 50 Air filter Washable filter OUTDOOR UNIT RAS 18UAH E4 RAS 18UA E4 RAS 18UAX4 RAS 18UA AR4 RAS 18UAX4 T2 830 880 Dimensions 538 690 300 Net weight 54 41 51 Condenser type Finned tube Outdoor fan type Propeller fan Airflow volume 2310 2105 2120 2200 2120 2200 3380 Fan motor output 65 2 65 Model Compressor 2JS350D5A02 PH340X3C 4KT1 PH340X3C 4KTS1 PH290X2C 4FT1 Output 1700 1500 1800 1700 Safety device IOL Td Sensor IOL Louver type Automatic louver Usable outdoor temperature range Note 1 Chargeless pipe 2 Maximum pipe 15 43 21 52 Capacity RAS 24UFHP E4 24UAH E4 FILE NO RAS 24UFP E4 24UA E4 RAS 24UFPX4 24UAX4 SVM 05015 RAS 24UFP AR4 24UA AR4 Cooling Heating 240V 220V Cooling 6 90 6 10 1 Power source V 220 240 Hz 5 0 Power cons
21. 18 Parts name Compressor 4 7 Outdoor Unit RAS 24UAH E4 2JS386D5BB02 FILE NO SVM 05015 Specifications Output Rated 2200 W 2 poles 1 phase 220 240 V 50 Hz Winding resistance 0 C R C S at 20 C 0 886 1 979 Fan motor for outdoor KFG6 71SB5P T1 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz Winding resistance Q Red Black White Black at 20 C 64 4 127 4 Running capacitor for fan motor 451355L AC 450 V 3 5uF Running capacitor for compressor BUM44X6005C AC 440 V Solenoid coil for 4 way valve VHV STF AC 220 240 V Thermo sensor TE TD 10 at 25 C 50 at 25 C Magnetic contactor A35 220 240 V 50 Hz Transformer TT 05 220 240 V Microcontroller TMP47C840N Varistor R73 R74 R86 15G471K 470 V Fuse F01 Parts name Compressor MT3 PH400X3CS 4KT1 T6 3 A 250 V 4 8 Outdoor Unit RAS 24UA E4 RAS 24UAX4 Specifications Output Rated 2200 W 2 poles 1 phase 220 240V 50 Hz Winding resistance C R C S at 20 C 1 13 2 10 Fan motor for outdoor KFG6 71SB5P T Output Rated 65 W 6 poles 1 phase 220 240V 50 Hz Winding resistance Q Red Black White Black 64 4 127 4 at 20 C Running capacitor for fan motor 451355L AC 450 V 3 5uF Runnin
22. MODE button on the remote control is set to the automatic operation 1 One of 3 operations Cooling Fan only or Heating One of 5 speed Up to setting 2 Temporary Auto under 24 3 SUL means Super Ultra Low 4 Calculated from difference in motor speed between SUL and HIGH Fig 7 2 8 Cold draft preventing control 5 and 6 5 Table 7 2 1 Starting period Fig 7 2 9 C is selected according to difference between the Manual preset temperature and the room temperature at which the automatic operation has started as shown in Fig 7 2 9 The Fan only operation continues until the room temperature reaches a LH level at which another mode is selected speed When the TEMPORARY button on the indoor unit is pushed the preset temperature is fixed at 24 C and the indoor unit is controlled as shown in Cooling operation The louver moves to the position same as Hi POWER operation 4 Cooling operation Fan only operation Heating operation Room temp Preset temp RAS 18UFHP E4 RAS 24UFHP E4 RAS 18UFP E4 RAS 18UFPX4 RAS 18UFPX4 T2 RAS 18UFP AR4 RAS 24UFP E4 RAS 24UFPX4 RAS 24UFP AR4 6 Stabilized period Up until 12 minutes passed after starting the unit From 12 to 25 minutes passed after starting the unit and room temperature is 3 C lower than preset temperature From 12 to 25 minutes passed after startin
23. 3 Unfasten the screw of Cord clamp and disconnect the connecting cable 4 Remove the Connector cover and disconnect the Fan motor cords 5 Remove the TC sensor and earth wire from Refrigeration assembly 6 Remove the Electrical parts assembly NOTE When install the electrical parts assembly fix the screw after the Back body is fixed Continue Terminal cover Connector cover TC Refrigeration Connecting sensor assembly cable Cord clamp Earth wire Electrical parts assembly Fan motor cords Part name Refrigeration assembly Procedures lt How to remove the Refrigeration assembly gt 1 Remove the Air inlet grille the Front panel and the Drain pan assembly Q 2 Stop the gas at the Outdoor unit 3 Remove 2 pipes from the Refrigeration assembly 4 Remove the TC sensor from holder 5 Remove the pipe holder 6 Remove the earth wire 7 Remove 2 screws and remove the refrigeration assembly with pushing it to right hand FILE NO SVM 05015 Earth wire TC sensor Remarks Pipe holder 2 Screws Multiblade fan and Fan motor lt How to remove the Multiblade fan and Fan motor gt 1 Remove the Air inlet grille and the Front panel 2 Disconnect 2 connectors 3 Remove the Fan covers 4 Remove the Motor band with holding the Fan motor and then remove the Fan motor with the Multi blade fans 5 Unfasten the Set screw and remove the Multi blade
24. 43T50004 Temperature sensor 43 69313 PC Board 43 60002 Terminal 43 69314 PC Board 43 62003 Cord clamp 43T08349 Switch cover Note Location No 401 and N0 407 43T69311 used for these models RAS 24UFHP E4 RAS 24UFHP E4 RAS 24UFHP ES4 43T69312 used for these models RAS 24UFP E4 RAS 24UFPX E4 RAS 24UFP AR4 RAS 24UFP ES4 RAS 24UFP E4 RAS 18UFPX4 T2 43T69313 used for these models RAS 18UFHP E4 RAS 18UFHP E4 RAS 18UFHP ES4 43T69314 used for these models RAS 18UFP E4 RAS 18UFPX4 RAS 18UFP AR4 RAS 18UFP ES4 RAS 18UFP E4 85 11 2 Indoor Unit 43T09312 43T00357 43T00361 43T00358 43T01004 43T79303 43T80302 43T00359 43T00360 43T20303 43T20304 43T20305 43T19309 43T21325 43T72301 43T79304 43T19303 43T09313 43T44318 43T44319 43T03303 43T09314 AIR GRILLE PANEL ARM ASSY FOR Heat pump model PANEL ARM ASSY FOR Cooling model FRONT PANEL ASSY MARK DRAIN BAND AIR FILTER CAP SCREW C CAP SCREW LR FAN COVER MOTOR BAND ASSY FAN ASSY MULTIBLADE FAN SCREW SET D T FAN MOTOR DRAIN PAN ASSY DRAIN HOSE ASSY STEPPING MOTOR HORIZONAL LOUVER FLOCK REFRIGERATION ASSY FOR 24 Class RAS 18UFPX4 T2 REFRIGERATION ASSY FOR 18 Class BACK BODY ASSY VERTICAL LOUVER 43T49303 43T19304 43T19305 43T19306 43T19307 43T19308 43T82302 43T60314 43T62303 43T83003 43T69421 43T69422 43T85490 43T85491 43T85492 43T49304 43T49305 43T80003 4
25. COMPRESSOR PH340X3C 4KTS1 43T09318 GUARD FAN 43T47324 BOLT COMPRESSOR M6 43T62311 ELECTRIC PART COVER 43T49008 CUSHION RUBBER 43T20307 FAN PROPELLER 43T52310 PACKED VALVE COVER ASSEMBLY 43T21348 FAN MOTOR 43T00396 UPPER CABINET ASSEMBLY 43T47001 NUT FLANGE 43T55326 MF CAPACITOR 50uF 440V 43T43360 CONDENSER ASSEMBLY 43T55324 CAPACITOR PLASTIC FILM 43T46308 VALVE PACKED 6 35 DIA 43T60352 TERMINAL BLOCK 6P 43T46019 VALVE PACKED 12 7 DIA 43T52302 MAGNETIC CONTACTOR AC220 240V 43T47331 BONNET 6 35 DIA 43T33002 SPARK KILLER 43T47333 BONNET 12 70 DIA 89 FILE NO SVM 05015 11 6 Outdoor Unit RAS 180 4 2 1214 11 13 Location Location a ee ss 43T00024 PANEL AIR OUTLET 43T41369 COMPRESSOR PH290X2C 4FT1 43T00025 PANEL FRONT 43T62014 PROTECTOR CORD 43T00026 PANEL SIDE 43T62015 PROTECTOR CORD 43T42316 BASE ASSY 43T49008 CUSHION RUBBER 43T19320 GUARD FIN 43T21314 MOTOR FAN AC220 240V 50Hz 43T19319 GUARD FAN 43T20301 FAN PROPELLER PP491 43T91001 PLATE ROOF 43T96001 BUSHING 43T42005 PLATE VALVE PACKED 43T96004 BUSHING CORD 43T15001 HANDLE 43T62013 COVER E PARTS 43T43320 CONDENSER ASSEMBLY 43T52302 MAGNETIC CONTACTOR AC220 240V 43T46014 VALVE PACKED 15 88 43T55320 MF CAPACITOR 35uF 440V 43T46016 VALVE PACKED 6 35 43T55321 MF CAPACITOR 3 5uF 450V 43T47334 BONNET 15 88 DIA 43T96003 CLIP CABLE 43T47331 BONNE
26. FIN 43T20301 FAN PROPELLER PP491 43T19019 GUARD FAN 43796001 BUSHING 43T91001 PLATE ROOF 43T96004 BUSHING CORD 43T42005 PLATE VALVE PACKED 43T62013 COVER E PARTS 43T15001 HANDLE 43752305 MAGNETIC CONTACTOR 43T43349 CONDENSER ASSEMBLY 43T55309 MF CAPACITOR 60uF 420V 43 46014 VALVE PACKED 15 88 43T55321 MF CAPACITOR 3 5uF 450V 43T46016 VALVE PACKED 6 35 43T96003 CLIP CABLE 43T47334 BONNET 15 88 DIA 43147317 NUT FLANGE 43747031 BONNET 6 35 DIA 43T33002 SPARK KILLER 43T60324 TERMINAL BLOCK 6P 43147025 CAPILLARY TUBE 2 4 DIA 43741374 COMPRESSOR PH400X3CS 4KS1 43147309 CAPILLARY TUBE 0 8 DIA 92 TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAM BOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND
27. PH400X3CS 4KT1 PH400X3CS 4KTS1 Output 1800 1800 1900 Safety device IOL Td Sensor IOL Louver type Automat ic louver Usable outdoor temperature range 10 24 15 43 Note 1 Capacity is based on the following temperature conditions Temperature Indoor unit inlet air temperature Condition FILE NO SVM 05015 JIS B8615 1 Cooling Heating Outdoor unit inlet air temperature Note 2 Charge refrigerant according to the table below Refrigerant RAS 18UFHP E4 RAS 18UAH E4 RAS 18UFP E4 RAS 18UA E4 RAS 18UFPX4 RAS 18UAX4 RAS 18UFP AR4 RAS 18UA AR4 RAS 18UFPX4 T2 RAS 18UAX4 T2 RAS 24UFHP E4 RAS 24UAH E4 RAS 24UFP E4 RAS 24UA E4 RAS 24UFPX4 RAS 24UAX4 RAS 24UFP AR4 RAS 24UA AR4 No need to charge refrigerant 15m or less 15m or less Need to charge refrigerant Over 15m up to 20m 20g m Over 15m up to 25m 30g m FILE NO SVM 05015 2 CONSTRUCTION VIEWS 2 1 Indoor Unit Front panel 1093 208 Knock out system Grille air inlet Back Body For stud bolt 200 Min 1093
28. T Ld FAN button is set to LOW LOW MED MED or m HIGH the motor operates with a constant air flow 5 41 5 E 1 8 E 40 5 2 Preset 0 a Preset temp 24 C NOTE id 1 The values marked with 1 are calculated and die controlled by the difference in motor speed between M and L NOTE 2 The Hi POWER ECO and COMFORT SLEEP 1 values marked with 1 are calculated and operation cannot be set controlled by the difference in motor speed Fig 7 2 1 Setting of air flow AUTO between M and L Fig 7 2 3 Setting of air flow FAN AUTO 31 FILE NO SVM 05015 7 2 3 Dry operation 7 2 4 Heating operation Heat pump model only IMODE button on the remote control is set IMODE button on the remote control is set to the dry 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 2 4 Fig 7 2 6 amp Eil 5 zu zu 248 oo Preset 0 oa ee E temp EEL JES 2 FF S 5 oo OO A 9 8 X 05 Preset 0 s s gt Es 3 gt lt gt E o gt 9 06 RIL x
29. for fan motor 451155L AC 450 V 1 5uF Running capacitor for compressor BUM44X4505B AC 440 V 45uF Magnetic contactor CLK 26J 4 5 Outdoor Unit RAS 18UA AR4 Parts name Compressor PH340X3C 4KTS1 220 240 V 50 Hz Specifications Output Rated 1500 W 2 poles 1 phase 220 240 V 50 Hz Winding resistance Q at 20 C C R 5 1 23 2 58 Fan motor for outdoor WLF 240 42B Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz Winding resistance 0 at 20 C Red Black White Black 197 255 Running capacitor for fan motor 451205L AC 450 V 2uF Running capacitor for compressor SK42CMP45U1 S AC 420 V 45uF Magnetic contactor CLK 26J 4 6 Outdoor Unit RAS 18UAX4 T2 Parts name Compressor PH290X2C 4FT1 220 240 V 50 Hz Specifications Output Rated 1500 W 2 poles 1 phase 220 240 V 50 Hz Winding resistance at 20 C R C S 1 71 3 09 Fan motor for outdoor KFG6 71SB5P T Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz Winding resistance Q at 20 C Red Black White Black 64 4 127 4 Running capacitor for fan motor 451355L AC 450 V 3 5uF Running capacitor for compressor BUM44X3505A AC 440 V 35uF Magnetic contactor CLK 26J 220 240 V 50 Hz
30. 04 x 221 4 screws 04 x 10L Running capacitor for compressor Perform the common procedure 1 Remove the capacitor band 1 screw 24 x 101 Disconnect the lead wires from the capacitor terminal Running capacitor Perform the common procedure 1 Remove the fixing screw 1 screw 24 x 10L Disconnect the lead wires from the capacitor terminal Magnetic contactor Perform the common procedure 1 Remove the fixing screw 2 screw 24 x 16L Disconnect the lead wires from the terminal Transformer Perform the common procedure 1 Remove the fixing screw 2 screws 24 x 10L Disconnect the housing from the P C Board P C Board Perform the common procedure 1 Disconnect the lead wires from the P C Board Remove Board after unhooking 4 clams 83 Running capacitor for compressor Running capacitor for fan motor Magnetic contactor P C Board Transformer FILE NO SVM 05015 10 4 Outdoor Unit RAS 18UA E4 RAS 18UAX4 RAS 18UA AR4 Part name Common procedure Procedures 1 Stop the operation of the air conditioner and turn off its main power supply or remove the power supply cord 2 Remove the packed valved cover and the electrical Parts cover 3 screws 24 x 101 3 Remove 2 cord clamps 4 screws 4 x 22L and disconnect the power supply cord and connecting cable after removing 6 screws on the terminal block and 1 ground screw on the electrical parts
31. 10 minutes or more to restart the unit Gas has a low circulation Gas shortage Gas leak Pipe clogging Measure gas pressure Compressor is turned off and on automatically by thermo sensor Heat pump Model or thermostat Cooling only Model 2 The outdoor unit stops once it would not operate until the power is turned on again Refer to 9 6 4 Compressor does not operate 3 The outdoor unit stops between 10 minutes to 1 hour after starting and a check code is indicated on the remote control Check code 03 1E Refer to Table 9 4 1 72 FILE NO SVM 05015 9 8 Troubleshooting for P C Board lt Inspection procedure gt 9 8 1 How to check indoor P C board 1 If the P C board is detective check for lt Cautions for handling P C board gt 1 When removing the front panel and the board 2 be sure to turn off the power supply 2 When removing the board hold the edge of the P C board and do not apply force to the parts 3 When connecting or disconnecting the connectors on the board hold the housing Do not pull at lead wires disconnection burn or discoloration of the copper foil pattern of the P C board The P C board consists of the following 2 parts a Main P C board parts Power relay indoor fan motor drive circuit and control circuit C P U and peripheral circuits buzzer drive circuit and buzzer b Infrared rays parts Infrared rays receiving circu
32. A place which provides the spaces around the O outdoor unit as shown in the left diagram uds X ay place which bear the weight of the outdoor lt A d Ef Cd 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 A When the outdoor unit is to be installed in an 7 i elevated position be sure to secure its feet An allowable length of the connecting pipe is up to Die Pipe 15 m Refer to the table of TO CHARGE REFRIGERANT for detail Fig 8 5 3 An allowable height level is up to 8 m A place where the drain water does not raise any Projection margin in flaring A Unit mm problem Outer dia Fig 8 5 2 2 Insert a flare nut into the pipe and flare the pipe of copper pipe Rigid Imperial lt CAUTION 6 35 1 0 to 1 5 1 5 to 2 0 1 Install the outdoor unit without anything 12 70 1 0 to 1 5 2 0 to 2 5 blocking the air discharging 2 When the outdoor unit is installed in a place 15 88 1 0 to 1 5 2 5 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 Especially in windy area install the unit to prevent the admission of wind 4 Installation in th
33. CAUSES GENERATION OF POISONOUS GAS e Never modify this unit by removing any of the safety guards or bypassing any of the safety interlock switches e 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 e Before doing the electrical work attach an approved plug to the power supply cord Also make sure the equipment is properly earthed e 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 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 40 FILE NO SVM 05015 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 experienc
34. FOR FLOAT SWITCH FORDRAINPUMP 1 I FAN I When you use float MOTOR switch you should I cut J401 I Ku eb oed od ey aad RM Und pag 2 26 1 l l l INDOOR TERMINAL 5 3 i INDOOR BLOCK H 1 i UNIT s R n c POWER SUPPLY 1 OUTDOOR 220 V 50 Hz i UNIT i i OUTDOOR i TERMINAL 2 3 BLOCK GRN amp YEL BLK T RED i BLK CHASSIS RED BLK AWA I BLK GRY RED TD RED WHI lt CAPACITOR RED BLK t CAPACITOR FAN MOTOR ee A 1 I COMPRESSOR XD CG COMPRESSOR TERMINAL i Lu ese MAGNETIC CONTACTOR 14 3 5 RAS 24UFHP E4 RAS 24UAH E4 FILE NO SVM 05015 INFRARED RAYS RECEIVE AND INDICATION PARTS LOUVER a CN25 P COLOR IDENTIFICATION BRW BROWN CN13 P RED RED 5001 R09 R507 iD WHI WHITE B
35. P C board layout TOSHIBA Bottom View 75 FILE NO SVM 05015 9 9 Troubleshooting for Remote Control The unit does not beep at all OPERATION lamp on indoor unit is not indicated Press 0 button Is transmission mark indicated Press RESET button on remote control with tip of pencil Is receiver on indoor unit exposed to direct sunlight Does indoor unit operate when moving remote control near receiver or Press 5 button Is there any thyristor fluorescent light nearby indoor unit Batteries are exhausted Does indoor unit start to operate by automatic restart function Is transmission mark NO indicated YES NO Does indoor unit beep and operate YES Does radio sound is affected by remote control when a signal is transmitted at distance of 5 cm from radio Remote control is defective P C board is defective Avoid direct Keep indoor unit Replace Replace Normal Replace sunlight away from P C board batteries operation remote control thyristor fluorescent light Note After replacing batteries press the RESET button with a tip of a pencil 76 FILE NO SVM 05015 10 PARTS REPLACEMENT 10 1 Indoor Unit Part name Procedures Remarks Air Inlet grille lt How to remove the Air inlet grille gt 1 Stop the operation of the Air conditioner and turn off its main power s
36. as 26 35 1 6 to 1 8 kgf m Gas side 9 to 10 Service port 0 9 to 1 0 kgf m Cord clamp Connecting cable e Hexagonal wrench A Unit mm Hexagonal wrench E N 123 is required 1 3 x S 4 TENE Prog P A lt Earth line Power supply cord Connecting cable Fig 8 5 9 10 N 4 18 Class 24 Class Power source 50 Hz 220 240 V Single phase Maximum running 16 18 Plug socket amp fuse rating 20 4 mm H07RN F or 245 IEC 66 3 5 AWG 12 Power cord 54 RAS 18UFPX4 T2 18UAX4 T2 RAS 24UFPX4 T 24UAX4 T Power source 50 Hz 220 V Single phase Maximum running 16A current 18A Plug socket amp 20A fuse rating 4 mm HO7RN F or 245 IEC 66 or 3 5 mm AWG 12 Power cord 7 f CAUTION e Wrong wiring connection may cause some electrical parts burn out e 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 22 NOTE Connection cable e Wire type More than 1 5 mm HO7RN F or 245 IEC66 or 1 3 mm AWG 16 FILE NO SVM 05015 8 6 How to Set Remote Control Selector Switch When two indoor units are installed in seperated rooms there is no
37. at the top of the pipe 4 Fix the Pipe shield 42 with vinyl tape Slit Vinyl tape 2 Pipe shield Fig 8 4 28 FILE NO SVM 05015 8 4 8 Drainage 1 Run the Drain hose sloping downward NOTE The hole should be made at a slight downward slant on the outdoor side Under Ceiling Installation Console Installation 3 A t 50 mm Lom 50 mm 22 or more or more Fig 8 4 29 In the case of upward drainage from the unit Under Ceiling Installation it is necessary to use Drain pump kit of optional part N 1 Do not raise the Drain hose 2 Do not put the Drain hose into water 3 Do not form the Drain hose into a wave shape 4 Do not put the Drain hose end in the drainage ditch E 2 Open the louver manually and put some water into it Then check the flow of water from the Drain hose Fig 8 4 30 3 When connecting the Extension drain hose insulate the connecting part of Extension drain hose with the Pipe shield Pipe Shield B Drain n Inside the room Extension drain hose Fig 8 4 31 Arrange the drain pipe for proper drainage from the unit Improper drainage can result in dew dropping Provided by customer 51 FILE NO SVM 05015 8 5 Outdoor Unit 8 5 2 Refrigerant piping connection 8 5 1 Installation place 1 Cut the pipe with a pipe cutter
38. display of the remote control returns to as it was before service mode was engaged FILE NO SVM 05015 Table 9 4 1 Block level Diagnosis function Check Check Unit n Judgement and action code PEU code Symptom status Condition Indoor The indoor thermo sensor TA is Operation The lamp on the 1 Check the indoor thermo sensor TA P C board Vi defective continues indoor unit blinks 2 Check the indoor P C board Lith Disconnection or short circuit when error is defected The indoor heat exchanger Operation The lamp on the 1 Check the indoor heat exchanger sensor is defective continues indoor unit blinks sensor TC Disconnection or short circuit when error is 2 Check the indoor board defected The indoor fan motor or its circuit All off The lamp on the 1 Check the connector circuit of the I is defective indoor unit blinks indoor fan motor CN10 when error is 2 Check the indoor fan motor defected 3 Check the indoor P C board The part other than the above Operation The lamp on the 1 Check the indoor P C board Livi parts on the indoor PC board is continues indoor unit blinks EEPROM and peripheral circuits U defective when error is EEPROM access error defected IOL operation All off The lamp on the Overload operation of refrigerating cycle indoor unit blinks 12 I when error is defected Cable The serial sig
39. during timer operation Motions The unit is on standby Y The unit starts to operate The orange lamp is on After approx three seconds The unit beeps three times and continues to operate The lamp changes from orange to green If the unit is not required to operate at this time push TEMPORARY button once more or use the remote control to turn it off Motions The unit is in operation The orange lamp is on The unit stops operating The orange lamp is turned off After approx three seconds The unit beeps three times If the unit is required to operate at this time push TEMPORARY button once more or use the remote control to turn it on 7 8 Filter Check Lamp When the elapsed time reaches 1000 hours the filter check lamp indicates After cleaning the filters turn off the filter check lamp When the unit is in Timer operation if it is turned off because of power failure the timer operation is 7 8 1 How to turn off filter check lamp cancelled Therefore set the timer operation again Press FILTER button on the remote control Or push TEMPORARY button on the indoor unit Note If TEMPORARY button is pushed while the filter check lamp is not indicating the indoor unit will start the Automatic Operation 27 FILE NO SVM 05015 7 9 Self Cleaning function Self Cleaning function is designed to reduce humidity that causes mold to form inside the air conditioning u
40. equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of 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 FILE NO SVM 05015 7 7 1 How to set 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 Push the TEMPORARY 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 on standby Not operating Operation Push TEMPORARY button for more than three seconds Push TEMPORARY button for more than three seconds HiPOWER FILTER P Q TEMPORARY button e While this function is being set if the unit is in operation the orange lamp is on e This function can not be set if the timer operation has been selected Motions The unit is on standby The unit starts to operate The green lamp is on After approx three seconds The unit beeps three times and continues to oper
41. heat exchanger is extremely high 2 The connector of the heat ex changer sensor short circuited CN01 3 The heat exchanger sensor and the P C board are defactive Refer to Table 9 8 2 4 The main P C board is defective Connect the motor connector to the motor and turn on the power supply Start the unit in the following condition Set the operation mode to FAN Set the fan speed level to HIGH The unit compressor operates continuously in the above condition Check it is impossible to detect the voltage between and of the CN11 The motor does not operate But it is possible to receive the signal from the remote control The motor rotates but vibrates strongly 1 The indoor fan motor is defective Protected operation of P C board 2 The connection of the motor connector is loose 3 The board is defective Table 9 8 2 Approximate resistance value of thermo sensor Temperature Resistance value 9 8 2 How to Shorten Time of Restart Delay Timer TOSHIBA Press CLR button while pressing CHK button with a tip of a pencil 2 Then press 6 button to transmit the signal to the indoor unit A AUTOA t ODO ff e CHK AM EGE H ts C HERB HiPOWER mmm m COMFORT QUIET AIRFLOW ENERGY SWING RESETe cCLOCK 74 FILE NO SVM 05015 9 8 4
42. outdoor heat exchanger TD All off The lamp on the 1 Check the outdoor heat exchanger r sensor is defective indoor unit blinks sensor TD I Disconnection or short circuit when error is 2 Check the outdoor P C board defected Other parts The reply serial signal has been Operation The lamp on the 1 Repeatedly turn the indoor unit on and including transmitted when starting the continues indoor unit blinks off with the interval of approx 10 to 40 compressor unit but stops being transmitted when error is minutes The check code is not shortly after defected And it indicated during operation And supply 1 Compressor thermo operation returns to the gas Check gas leak ss Gas shortage normal condition 2 The indoor unit operates normally l l Gas leak when recovering during the check Lg 2 Instantaneous power failure from errors If the reply serial signal continues to be transmitted between 2 and 3 of the indoor terminal block replace the outdoor P C board aes If the signal stops between them replace the indoor board ms ps The discharge temperature is All off The lamp on the 1 Check the heat exchanger sensor TD n over 120 C indoor unit blinks 2 Gas purging Ur when error is A defected The IOL operation is defective All off The lamp on the When turning on the unit the normal J J indoor unit blinks phase RST is detected but waveform when error is has not been det
43. supplied to once and turn it SW transformer secondar T01 or Tr 001 panied on again after y idr power Supply transfer removing molor transfer is defective switch switch Replace motor 66 FILE NO SVM 05015 9 6 2 Only indoor fan motor does not operate Shut off the power supply once Turn the power supply Does the fan stop NO no operating status Control P C board is defective Replace the P C board YES Start the operation 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 NO NO NO Does the fan rotate Shut off the power supply Thermal fuse operated due to prevent temperature rising cause of incompleted connecting Repair the bearing of the fan Does the cross flow NO fan rotate normally YES Change the setting of cooling to high fan Turn on the power supply Does the fan speed Operation become higher stops YES Motor control circuit failure IC30 IC03 RY501 or 12V power circuit failire D305 D306 Q301 T01 Replace the P C board NO Replace the of fan motor Is the rotation signal DC 5V 0V output be
44. voltage normal 2 Is the connection to the AC output OK 3 Are the connection of the primary side and the secondary side of the power transformer inserted into the P C board 4 Is the fuse F01 blown Conceivable principle Cause Measure Turn off power supply once and Item by symptoms 5 second later turn it on again Is OPERATION lamp blinking Is it possible to turn on power Unit operates normally button on remote control transmission mark on remote control NO Refer to 9 9 flash normally and Remote control is Troubleshooting for is its signal defective Remote Control transmitted properly YES Check selector switch of remocon Aor B is correct same as remote controller Select switch to NO remocon A B for correct same as remote controller YES Parts R21 E Boo Does the s fuse YES fan motor NO of indoor 15 C01 connector between control board DB01 C02 blown and T01 are defective short circuit Is voltage DC 12V or 5V indicated on rear of indoor control board normal Microcomputer is defective Replace main P C board Is DC 310 340V supplied to primary side of transfer switch Refer to lt Primary check gt or this problem is one step short of power board block Are AC 14V Turn off breaker s an
45. with earth must be used This plug must be easily accessible after installation The plug must be disconnected 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 R 22 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 INTHE 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
46. 0 1 Indoor Unit 10 2 Outdoor Unit RAS 24UAH E4 RAS 24UA E4 RAS 24UAX4 RAS 24UA AR4 RAS 18UAX4 T2 10 3 Outdoor Unit RAS 18UAH E4 10 4 Outdoor Unit RAS 18UA E4 RAS 18UAX4 RAS 18UA AR4 11 EXPLODED VIEWS AND PARTS LIST 11 1 11 2 11 3 11 4 11 5 11 6 11 7 11 8 11 9 Indoor Unit E Parts Assy Indoor Unit Outdoor Unit RAS 18 UAH E4 Outdoor Unit RAS 18UA E4 RAS 18UAX4 Indoor Unit RAS 18UA AR4 Outdoor Unit RAS 18UAX4 T2 Outdoor Unit RAS 24UAH E4 Outdoor Unit RAS 24UA E4 RAS 24UAX4 Outdoor Unit RAS 24UA AR4 FILE NO SVM 05015 Capacity 1 SPECIFICATIONS RAS 18UFHP E4 18UAH E4 RAS 18UFP E4 18UA E4 RAS 18UFPX4 18UAX4 FILE NO SVM 05015 RAS 18UFP AR4 18UA AR4 RAS 18UFPX4 T2 18UAX4 T2 Cooling Heating Cooling Power source V Hz Power consumption w Power factor Indoor A Running current Outdoor A Starting current A 4 42 Moisture removal lit h 2 0 Indoor H M L dB 43 4 1 39 37 36 46 43 4 1 38 36 Noise Outdoor dB 54 51 52 56 Name of refrigerant Refrigerant Rated amount R 22 1 17 Refrigerant control Capillary tube Gas side size Connection type mm 12 70 Flare connection Liquid side size mm Interconnection Connection type 6 35 Flare connection Maximum length One way
47. 309 RUBBER CUSHION RUBBER GROMMET 91 FILE NO SVM 05015 11 8 Outdoor Unit RAS 24UA E4 RAS 24UAX4 28 12 14 11 13 Location Location 43T00024 PANEL AIR OUTLET 43T62014 PROTECTOR CORD 43T00025 PANEL FRONT 43T62015 PROTECTOR CORD 43T00026 PANEL SIDE 43T49316 RUBBER CUSHION 43T42316 BASE ASSY 43T21314 MOTOR FAN AC220 240V 50Hz 43T19320 GUARD FIN 43T20301 FAN PROPELLER PP491 43T19319 GUARD FAN 43T96001 BUSHING 43T91001 PLATE ROOF 43T96004 BUSHING CORD 43T42005 PLATE VALVE PACKED 43T62013 COVER E PARTS 43T15001 HANDLE 43T52305 MAGNETIC CONTACTOR 43T43349 CONDENSER ASSEMBLY 43T55322 MF CAPACITOR 45uF 440V 43T46014 VALVE PACKED 15 88 43T55321 MF CAPACITOR 3 5uF 450V 43T46016 VALVE PACKED 6 35 43T96003 CLIP CABLE 43T47334 BONNET 15 88 DIA 43T47317 NUT FLANGE 43T47331 BONNET 6 35 DIA 43T33002 SPARK KILLER 43T60324 TERMINAL BLOCK 6P 43T47025 CAPILLARY TUBE 2 4 DIA 43T41370 COMPRESSOR PH400X3CS 4KT1 92 FILE NO SVM 05015 11 9 Outdoor Unit RAS 24UA AR4 28 11 13 N M N 44 CAPILLARY TUBE 2 4DIA 6 4 2 45 CAPILLARY TUBE 0 8DIA Location Location Description Description 43T00024 PANEL AIR OUTLET 43T62014 PROTECTOR CORD 43T00025 PANEL FRONT 43T62015 PROTECTOR CORD 43T00026 PANEL SIDE 43749316 RUBBER CUSHION 43742316 BASE ASSY 43721316 MOTOR FAN AC220 240V 50HZ 43T19320 GUARD
48. 312 5 L3 5 620 10 71 412 6 T3 Z pn BLU I i cal 7 2 CN02 U W 4 J gr 8B pu 1 COIL FOR i I 4 WAY VALVE RY06 CAPACITOR CAPACITOR 4 o o RED RED TA I Hh qh 2 New 552775 oe WHI N BLK AIA BLK BLK f 7 N 4 COMPRESSOR TERMINAL EE COMPRESSOR FAN MOTOR Bs 3 6 RAS 24UFP E4 RAS 24UA E4 RAS 24UFPX4 RAS 24UAX4 RAS 24UFP AR4 RAS 24UA AR4 r COLOR IDENTIFICATION LOUVER MOTOR FILE NO SVM 05015 INFRARED RAYS RECEIVE AND INDICATION PARTS BRW BROWN SPY Nan 560 R507 WHI WHITE 1 BLK IC04 Ye YELLOW 4 0 N W W MAIN PCB BLK BLACK MCC 865A GRY GRAY F01 FUSE TT PNK PINK T6 3A 250VAC ORN ORANGE GRN amp YEL GREEN amp 919 I lawa YELLOW 529 5 GRN GREEN amp PUR PURPLE CN30 2 E WHI 1 RY401 55 RED E 25 R405 CR401 GRN amp YEL ne 4 J401 i I CN402 1 FOR FLOAT SWITCH FORDRANPUMP MA i OPTION OPTION When you use float switch you should cut J401 1
49. 3T00365 FILE NO SVM 05015 PIPE HOLDER COVER BODY L COVER BODY R COVER BODY LD BUSH BODY R BUSH BODY D INSTALLATION PLATE TERMINAL COVER CONNECTOR COVER HOLDER REMOTE CONTROLLER WIRELESS REMOCO WH H01EE FOR Heat pump model WIRELESS REMOCO WC H01EE FOR Cooling model OWNER S MANUAL OWNER S MANUAL FOR RAS 18 24UKHP E4 UKP E4 OWNER S MANUAL FOR RAS 18UFPX4 T2 RAS 18 24UFPX FLEXIBLE PIPE ASSY FOR 18 Class FLEXIBLE PIPE ASSY FOR 24 Class RAS 18UFPX4 T2 FILTER FRAME ASM GRILLE STOPPER FILE NO SVM 05015 11 3 Outdoor Unit RAS 18UAH E4 Location Location Description Description 43005144 CABINET FRONT 43T49309 RUBBER CUSHION RUBBER GROMME 43T00005 CABINET BACK 43T55322 MF CAPACITOR 45uF 440V 43T00004 CABINET SIDE 43T55324 CAPACITOR PLASTIC FILM 43T42306 BASE 43T60324 TERMINAL BLOCK 6P 43T00011 PLATE PACKED VALVE 43T41341 COMPRESSOR 2JS350D5DA02 43T19314 GUARD FAN 43T52302 MAGNETIC CONTACTOR AC220 240V 43T19005 HANDLE 43T46319 4 WAY VALVE 43 62301 5 43 46330 COIL V 4WAY AC220 240V 50Hz 43020302 FAN PROPELLER PP411 43T69059 SENSOR TE 43 21333 MOTOR FAN AC220 240V 50Hz 43T69060 SENSOR TD 43147001 NUT FLANGE 43 79305 DRAIN NIPPLE 43T96001 BUSHING 43 58301 TRANSFORMER TT 05 43043609 CONDENSER ASSEMBLY 43 69336 PC Board 43146311 VALVE PACKED 6 35 DIA 43743316 SUB CONDENSOR 43147331 BONNET
50. 6 35 DIA 43147013 CAPILLARY TUBE 2 0 DIA 43146019 VALVE PACKED 12 7 DIA 43T60325 FILTER CLAMP 43147333 BONNET 12 70 DIA 43T53001 STARTER ELECTRIC 43147309 CAPILLARY TUBE 0 8 DIA 43045085 DRY TANK 87 FILE NO SVM 05015 11 4 Outdoor Unit RAS 18UA E4 RAS 18UAX4 20 21 Location Location Description Description 43T00368 FRONT CABINET ASSEMBLY 43T63303 FIXING PLATE VALVE 43T03308 BACK CABINET ASSEMBLY 43T47013 CAPILLARY TUBE 2 0 DIA 43T42317 BASE COAT ASSEMBLY 43T41371 COMPRESSOR PH340X3C 4KT1 43T09318 GUARD FAN 43T47324 BOLT COMPRESSOR M6 43T62311 ELECTRIC PART COVER 43T49008 CUSHION RUBBER 43T20307 FAN PROPELLER 43T52310 PACKED VALVE COVER ASSEMBLY 43T21345 FAN MOTOR 43T00396 UPPER CABINET ASSEMBLY 43T47001 NUT FLANGE 43T55322 MF CAPACITOR 45uF 440V 43T43359 CONDENSER ASSEMBLY 43T55325 CAPACITOR PLASTIC FILM 43T46308 VALVE PACKED 6 35 DIA 43T60352 TERMINAL BLOCK 6P 43T46019 VALVE PACKED 12 7 DIA 43T52302 MAGNETIC CONTACTOR AC220 240V 43T47331 BONNET 6 35 DIA 43T33002 SPARK KILLER 43T47333 BONNET 12 70 DIA 88 FILE NO SVM 05015 11 5 Outdoor Unit RAS 18UA AR4 14 10 12 11 13 Location m Location Part Description Description No No No 01 14 43T00368 FRONT CABINET ASSEMBLY 43T63303 FIXING PLATE VALVE 43T03308 BACK CABINET ASSEMBLY 43T47013 CAPILLARY TUBE 2 0 DIA 43T42317 BASE COAT ASSEMBLY 43T41372
51. 8 8 2 Test operation To switch the TEST RUN COOL mode press TEMPORARY button for 10 sec The beeper will make a short beep HiPOWER FILTER PH TEMPORARY button Fig 8 8 2 8 8 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 How to set the auto restart Press and hold the TEMPORARY button for about 3 seconds After 3 seconds the electronic beeper makes three short beeps to tell you the Auto Restart has been selected To cancel the Auto Restart follow the steps described in the section Auto Restart Function of the Owner s Manual 57 FILE NO SVM 05015 FILE NO SVM 05015 9 TROUBLESHOOTING CHART 9 2 2 Incorrect cable connection between indoor and outdoor units 9 1 Troubleshooting Procedure Follow the details of 9 2 Basic Check 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 The indoor unit is connected to the outdoor unit with 4 cables 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 operate normally or OPERATION lamp and T
52. 900 920 750 rpm RAS 24UFP Series 1170 1090 Air flow volume m h 900 810 750 30 FILE NO SVM 05015 7 2 Description of Operation Circuit 7 2 2 Cooling operation MODE button on the remote control is set 1 When turning on the breaker the operation lamp the E 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 2 When pressing 5 button on the operation display lamp are controlled as shown in remote control receiving beep sounds from the indoor unit and the next operation is performed together with opening the vertical air flow louver 21 C 3 Once the operation mode is set it is memorized in the microcomputer so that the previous operation 05 be effected thereafter simply by pressing 6 button 7 2 1 Fan only operation IMODE button on the remote control is set to the fan only operation Preset 0 temp 1 When button is set to AUTO the indoor fan n motor operates as shown in Fig 7 2 1 When FAN button is set to LOW LOW MED MED or HIGH the motor operates with a constant air flow Room temp Compressor 4 way valve Outdoor fan OPERATION display lamp 5 C Fig 7 2 2 3 2 When FAN button is set to AUTO the indoor fan 9 42 5 motor operates as shown in Fig 7 2 3 When
53. E4 RAS 18UAH E4 5 2 RAS 18UFP E4 RAS 18UA E4 RAS 18UFPX4 RAS 18UAX4 5 3 RAS 18UFP AR4 RAS 18UA AR4 5 4 RAS 18UFPX4 T2 RAS 18UAX4 T2 5 5 RAS 24UFHP E4 RAS 24UAH E4 5 6 RAS 24UFP E4 RAS 24UA E4 RAS 24UFPX4 RAS 24UAX4 5 7 RAS 24UFP AR4 RAS 24UA AR4 10 FILE NO SVM 05015 CONTROL BLOCK DIAGRAM 6 1 RAS 18UFHP E4 RAS 24UFHP E4 6 2 RAS 18UFP E4 RAS 18UFPX4 RAS 18UFP AR4 RAS 18UFPX4 T2 RAS 24UFP E4 RAS 24UFPX4 RAS 24UFP AR4 OPERATION DESCRIPTION 7 1 Outline of Air Conditioner Control 7 2 Description of Operation Circuit 7 3 Hi POWER Mode 7 4 High Temperature Limit Control 7 5 Low Temperature Limit Control 7 6 Defrosting Operation 7 7 Auto Restart Function 7 8 Filter Check Lamp 7 9 Self Cleaning function 7 10 QUIET Mode 7 11 SLEEP mode INSTALLATION PROCEDURE 8 1 Safety Cautions 8 2 Installation Diagram of Indoor and Outdoor Units 8 3 Installation 8 4 Indoor Unit 8 5 Outdoor unit 8 6 How to Set Remote Control Selector Switch 8 7 How to Use Drain Pump Kit of Option 8 8 Others TROUBLESHOOTING CHART 9 1 Troubleshooting Procedure 9 2 Basic Check Items 9 3 Primary Judgement 9 4 Self Diagnosis by Remote Control Check Code 9 5 How to Diagnose Faulty Parts 9 6 Troubleshooting for Indoor Unit 9 7 Troubleshooting for Wiring Interconnect Cable and Serial Signal Wire 9 8 Troubleshooting for P C Board 9 9 Troubleshooting for Remote Control PARTS REPLACEMENT 1
54. Gas leak Supply gas 69 lt lnspection procedure Heating model Turn on power supply Does OPERATION lamp blink YES Is it possible to start unit by remote control YES Is it possible to detect AC 70 100V between and on terminal block 15 crossover cable normal YES Is it possible to detect AC 12 V on secondary side CNO6 of transfer YES Is it possible to detect DC 5 V at IC61 and 12 V at IC51 YES Are TD and TE sensors normal TD 17 9 at 50 10 at 25 C Is it possible to detect AC 220 240 V at 11 Does MG switch operate Next Page 70 FILE NO SVM 05015 Refer to item Power can not be turned Refer to 9 9 Troubleshooting for Remote Control Check 01 04 Table 9 4 1 Connect crossover cable properly Replace transformer Replace outdoor P C board Replace sensors Replace outdoor P C board Replace MG switch l Are all of compressor cords normal YES Is compressor motor winding normal NO Check winding resistor YES 2 Is capacitor for compressor normal YES NO Is overload relay normal YES N Does compressor start 9 YES Does compressor stop after a while YES Is gas quantity normal Check gas pressure YES Compressor is defective YES Replace compressor Compressor is defective Capacitor is defective Overload relay is defecti
55. IMER lamp will blink 5 2 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 3 Program control The microcomputer 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 Descriptions When the main power supply is turned on the OPERATION lamp on the indoor unit blinks The OPERATION lamp blinks to indicate that power is turned on If the 6 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 compressor is not turned off even though the room temperature is in the range that the compressor is turned off 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 The compressor is not turned on and off even though the thermo control is operated in the Dry operation In the Dry operation the compressor is turn
56. LK IC04 N100 CN101 YEL YELLOW s W W MAIN PCB BLU BLUE R22 MCC 865A BLK BLACK Pad GRY GRAY I 01 FUSE Lot PNK PINK T6 3A 250VAC R01 DB01 IMCC 865B ORN gt ORANGE t lonoo ur rad GRN amp YEL GREEN amp R21 EI Loot YELLOW 000 GRN GREEN G5 i a PUR PURPLE BLK CN30 2 E WHI CN31 RY401 RY501 RED ORSO pctav 29 o ox B 2 THERMO DC5V o L H t Tersor IC03 EXCHANGER gt AW SENSOR GRN amp YEL rece J401 1 I l US CN402 2213 cni 1 FOR FLOAT SWITCH FOR DRAIN PUMP OPTION OPTION FAN I When you use float MOTOR I switch you should i cut J401 1 I 1 Cette i INDOOR 1 2 TERMINAL SI s INDOOR F BLOCK UNIT MAIN BOARD 890 TRANSFORMER OUTDOOR 5 4 POWER SUPPLY i UNIT 2 CN06 DISCHARGE 220 240 V 50 Hz SENS ORD RED BLU i OUTDOOR 22 CN05 cnor TERMINAL 8 3 TNR BLOCK GRN amp YEL 8601 BLK rrr fe BLK Py i 4 GRN amp YEL wi 250 6 TNR 55 R73 CNO d 2 s BLK RED CHASSIS GRY YS EXCHANGER SENSOR TE I I i I RY07 MAGNETIC CONTACTOR BLU t p 1 I CN 5 CD VEL 3 414
57. MP 4 Check gas leak connected points 52 Vacuum pump for counter flow prevention Packed valve at gas side Service port Valve core Setting pin Packed valve at liquid side Fig 8 5 6 FILE NO SVM 05015 8 5 4 Wiring connection TO CHARGE REFRIGERANT 1 Remove the electric parts cover from the outdoor 18 Class 24 Class unit No need to charge 2 Connect the connecting cable to the terminal as refrigerant 15 m or less 15 m or less identified with their respective matched numbers on Need to charge Over 15 m up to Over 15 m up to 3 n n de ae ae he refrigerant 20 m 20g m 25 m 30g m When connecting the connecting cable to the outdoor unit terminal make a loop as shown in the installation diagram of indoor and outdoor unit to Packed valve handling precautions prevent water coming in the outdoor unit 4 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 Open the valve stem all the way out but do not try to open it beyond the stopper e Securely tighten the valve stem cap with torque in lt Stripping length of connecting cable gt Pipe side Tightening torque A Gas side 65 to 80 215 88 mm 6 5 to 8 0 kgf m Gas side 50 to 62 N m 212 70 mm 5 0 to 6 2 kgf m 5mm 4mm Liquid side 16 to 18 N m Same
58. R _ _ d BLOCK i UNIT MAIN P C BOARD MCC 890 TRANSFORMER i i OUTDOOR 5 4 BLK POWER SUPPLY i UNIT CN06 DISCHARGE 220 240 V 50 Hz I SENCOR TD BLU i i OUTDOOR I RED NOS CN07 E TERMINAL T N 3 TNR PLOSK FERRITE CORE 1 CRNGVEL BLK rfi 890 1777 9 1 BLK pss Alo 4 4 GRN amp YELI I 250VAC 6 TNR BLK I WHI 9555 R73 RED SIS BEK HEAT BLK RED CHASSIS GRY YS EXCHANGER SENSOR TE I I RY07 MAGNETIC E _CONTACTOR JE BLUT _ gt CN11 ma CRI1__Ryos 520 BW nm I 22 2 CN02 U W W J gr 8B pu 1 COIL FOR i I 4 WAY VALVE RY06 CAPACITOR CAPACITOR 4 o 2 RED RED To I HB HH Nis Miu DERE Pme WHI BLK RE BLK BLK 7 7 COMPRESSOR TERMINAL u OM d COMPRESSOR FAN MOTOR 11 FILE NO SVM 05015 3 2 RAS 18UFP E4 RAS 18UA E4 RAS 18UFPX4 RAS 18UAX4 r COLOR IDENTIFICATION LOUVER MOTOR amp INFRARED RAYS RECEIVE I AND INDICATION PARTS GRN amp YEL J401 BRW BROWN CN13 RED RED EES WHI WHITE ak 5601 RO9 507 UNT b TT W W AN Po q R22 bad BLK BLACK MCC 865A 2 GRY G
59. RAY F0 FUSE Lot PINK 6 250VAC R01 ORN ORANGE AM Deut IMCC 865B GRN amp YEL GREEN amp in ug YELLOW E gt GRN GREEN OOOO PUR PURPLE 5 Blk CN30 Die WHI_CN31 ml BRD TRY501 Ris RED 4 od 5g CN27 9 2 THERMO CN401 I I I CN402 FOR FLOAT SWITCH FOR DRAIN PUMP OPTION OPTION I When you use float I switch you should I cut J401 I I 1 I D e ES de 7 as m SS E Gy a a s EN duly a es ES 1 I I I I INDOOR 2 I INDOOR TERMINAL I UNIT BLOCK 1 ERE t n POWER SUPPLY 220 240 V 50 Hz UNIT I TERMINAL L N 1 2 3 BLOCK I GRN amp YEL BLK BLK i BLK GRN amp YEL i BLK RED RED CHASSIS IM SPARK KILLER GRY S 1 MAGNETIC CONTACTOR A2 or B Y CAPACITOR CAPACITOR RED RED ZEN fy Li 2 NE 5 6 WH Z WHI PNK BLK REDj i j BLK gt ed FAN MOTOR COMPRESSOR COMPRESSOR TERMINAL 12 3 3 RAS 18UFP AR4 RAS 18UA AR4 ORN
60. T 6 35 DIA 43T47317 NUT FLANGE 43T47013 CAPILLARY TUBE 2 0 DIA 43T33002 SPARK KILLER 43T60324 TERMINAL BLOCK 6P 90 FILE NO SVM 05015 11 7 Outdoor Unit RAS 24UAH E4 RAS 24UAH E4 28 1 T S 12 14 11 13 Fe 15 CAPILLARY TUBE 2 0 DIA 49 CAPILLARY TUBE 1 0 DIA Location Part Description No No 24 43T00024 PANEL AIR OUTLET 43T21315 MOTOR FAN AC220 240V 50 HZ 43T00025 PANEL FRONT 43T20301 FAN PROPELLER PP491 43T00026 PANEL SIDE 43T96001 BUSHING 43T42307 BASE ASSY 43T96004 BUSHING CORD 43T19320 GUARD FIN 43T62013 COVER E PARTS 43T19319 GUARD FAN 43T52305 MAGNETIC CONTACTOR 43T91001 PLATE ROOF 43T55323 MF CAPACITOR 60uF 440V 43T42005 PLATE VALVE PACKED 43T55321 MF CAPACITOR 3 5uF 450V 43T15001 HANDLE 43T96003 CLIP CABLE 43T43357 CONDENSER ASSEMBLY 43T46319 4 WAY VALVE 43T46014 VALVE PACKED 15 88 43T46330 COIL V AWAY AC220 240V 50Hz 43T46016 VALVE PACKED 6 35 43T69059 SENSOR TE 43T47334 BONNET 15 88 DIA 43T69060 SENSOR TD 43T47331 BONNET 6 35 DIA 43T79305 DRAIN NIPPLE 43T47013 CAPILLARY TUBE 2 0 DIA 43T58301 TRANSFORMER TT 05 43T60324 TERMINAL BLOCK 6P 43T69336 PC Board 43T60325 FILTER CLAMP 43T47317 NUT FLANGE 43T41343 COMPRESSOR 2JS386D5BB02 43045085 DRY TANK 43T62014 PROTECTOR CORD 43T47308 CAPILLARY TUBE 1 0 DIA 43T62015 PROTECTOR CORD 43T46005 CHECK VALVE 43 49
61. TOSHIBA FILE NO SVM 05015 SERVICE MANUAL AIR CONDITIONER UNDER CEILING CONSOLE TYPE RAS 18UFHP E4 RAS 18UAH E4 RAS 18UFP E4 RAS 18UA E4 RAS 18UFPX4 RAS 18UAX4 RAS 18UFP AR4 RAS 18UA AR4 RAS 18UFPX4 T2 RAS 18UAX4 T2 RAS 24UFHP E4 RAS 24UAH E4 RAS 24UFP E4 RAS 24UA E4 RAS 24UFPX4 RAS 24UAX4 RAS 24UFP AR4 RAS 24UA AR4 18 Class 18 Class 24 Class Heat pump model Cooling only model May 2005 FILE NO SVM 05015 CONTENTS SPECIFICATIONS 1 1 18 Class 1 2 24 Class CONSTRUCTION VIEWS 2 1 Indoor Unit 2 2 Outdoor Unit RAS 24UAH E4 RAS 24UA E4 RAS 24UAX4 RAS 24UA AR4 RAS 18AX4 T2 2 3 Outdoor Unit RAS 18UAH E4 2 4 Outdoor Unit RAS 18UA E4 RAS 18UAX4 RAS 18UA AR4 WIRING DIAGRAM 3 4 RAS 18UFHP E4 RAS 18UAH E4 3 2 RAS 18UFP E4 RAS 18UA E4 RAS 18UFPX4 RAS 18UAX4 3 3 RAS 18UFP AR4 RAS 18UA AR4 3 4 RAS 18UFPX4 T2 RAS 18UAX4 T2 3 5 RAS 24UFHP E4 RAS 24UAH E4 3 6 RAS 24UFP E4 RAS 24UA E4 RAS 24UFPX4 RAS 24UAX4 RAS 24UFP AR4 RAS 24UA AR4 SPECIFICATION OF ELECTRICAL PARTS 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Outdoor Unit 4 4 Outdoor Unit 4 5 Outdoor Unit 4 6 Outdoor Unit RAS 24UAH E4 4 7 Outdoor Unit RAS 24UA E4 RAS 24UAX4 4 8 Outdoor Unit RAS 24UA AR4 RAS 18UAH E4 RAS 18UAX4 RAS 18UA E4 RAS 18UA AR4 RAS 18UAX4 T2 REFRIGERATION CYCLE DIAGRAM 5 1 RAS 18UFHP
62. art direction lt How to install the Front panel gt 1 In case of the Drain hose installation through the Front panel install the opening base for piping in the Back body by a screw M4 x 12 Prepare it by yourself 2 Fit the Front panel the pan Then fix it in the Drain pan with 2 hooks in the center of the air outlet 3 Fix 5 hooks around the Front panel with conformation the Guide rib is inserting into the Back body 4 Fix 8 screws and close 3 Cap screws 5 Install the Drain band into the Front panel 6 Check the gap between the Front panel and the Back body FILE NO SVM 05015 Remarks Guide rib Drain pan assembly lt How to remove the Drain pan gt 1 Remove the Air inlet grille and the Front panel CD 2 Remove the Louver motor from the Drain pan 3 Remove the shaft of Horizontal louver 4 Remove the LED base and Electrical wire 5 Remove the TA sensor wire 6 Remove the Drain hose Continue 79 Louver motor Electrical wire LED base Shaft of Horizontal lover Drain hose TA sensor Part name Drain pan assembly Procedures 7 Remove 7 screws and remove the Drain pan assembly FILE NO SVM 05015 Remarks Drain Pan Electrical parts assembly lt How to remove the Electrical parts assembly gt 1 Remove the Air inlet grille the Front panel and the Drain pan assembly 0 2 Remove the Terminal cover
63. ate The lamp changes from green to orange If the unit is not required to operate at this time push TEMPORARY button once more or use the remote control to turn it off Motions The unit is in operation The green lamp is on The unit stops operating The green lamp is turned off After approx three seconds The unit beeps three times If the unit is required to operate at this time push TEMPORARY button once more or use the remote control to turn it on While the filter check lamp is on the TEMPORARY button has the function of filter reset button e When the unit is turned on by this function the louver will not swing even though it was swinging automatically before shutting down 36 FILE NO SVM 05015 7 7 2 How to cancel auto restart function To cancel auto restart function proceed as follows Repeat the setting prodedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote control after the main power supply is turned off When the unit is on standby Not operating Operation Push TEMPORARY button for more than three seconds Push TEMPORARY button for more than three seconds Q IN PN TEMPORARY button e While this function is being set if the unit is in operation the orange lamp is on 7 7 3 Power failure
64. ature 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 Heating operation e The preset temperature increases 2 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 The Hi POWER mode can not be set in Dry or Fan only operation FILE NO SVM 05015 7 4 High Temperature Limit Control Heat pump model only 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 1 Compressor Outdoor fan Heat exchanger temp OFF OFF 60 ON OFF 55 ON ON 52 Fig 7 4 1 7 5 Low Temperature Limit Control 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 5 1 Heat exchanger temperature Compressor Outdoor fan Less than 2 C continues for 5 minutes OFF Fig 7 5 1 7 6 Defrost Operation Heat pump model only When the indoor unit is in heating operation if the refrigerant evaporation temperatu
65. base 4 Remove the upper cabinet 4 scerws 24 x 101 Pulling out upward 5 Remove the front cabinet 3 screws 24 x 101 Pull the front right protion toward you and remove it pulling out upward Remarks Electric parts cover 2 Cord clamps 4 screws 24 x 22L I Packed valve cover Upper cabinet cabinet Running capacitor for compressor 1 Perform the common procedure 1 2 Remove the capacitor band 1 screw 24 x 101 3 Disconnect the lead wires from the capacitor terminal Running capacitor for fan motor 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 24 x 101 3 Disconnect the lead wires from the capacitor terminal Magnetic contactor 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 10L 3 Disconnect the lead wires from the terminal Spark killer 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the terminal Running capacitor for compressor Magnetic contactor Running capacitor for fan motor FILE NO SVM 05015 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy 401 408 Location Description Description No 43T69311 PC Board 43T69315 Display unit 43T69312 PC Board 43150302 Temperature sensor 43 69313 PC Board 43 69311 PC Board 43 69314 PC Board 43 69312 PC Board
66. defective overload operate Check compressor Is sensor pone resistance value 10 at 25 normal Replace compressor YES To Is circuit wiring NO 0 Wiring check modification sensor normal YES Outdoor P C board is defective Indoor P C board is defective Is TC sensor disconnected from the sensing element YES Is outdoor Replace P C board normal P C board Replace P C board 09 Other cycle error 2 Does indoor fan operate YES Is connector Are filters clogged Clean filters connected properly YES NO Connect connector properly Is TC sensor resistance value 10kQ at 25 normal YES Is charged amount of refrigerant normal ns 1 YES YES Is indoor fan Charge motor normal refrigerant Anti freezing YES Is outside air Replace low load operation fan motor NO Indoor P C board Replacd is defective P C board 63 Replace TC sensor Is condenser norma Anti freezing Replace operation condenser FILE NO SVM 05015 0 Indoor sensor error 5 Is CNO3 sensor connector Connect CN03 connected properly properly Replace TA sensor Is TA sensor resistance value 10 kQ at 25 C normal Indoor P C board is defective Replace P C board Od Indoor TC sensor error Is CNO1 TC sensor con
67. e lt 215 88 26 35 p gt po E aR bre E mn E Eee TENE ee eg EAE een AT TA TE T TT X eR Di Heating aging 4 way valve A Capillary tube 1 0x7002 Y Cooling Compressor 2JS386D5BB02 Acoumuiator Capillary tube 3 2 0x10802 Condenser 5 Refrigerant Propeller fan R 22 1 75kg _ gt Cooling Outdoor unit Mark means check points of Gas Leak Heating Ambient temp Standard Surface temp of heat Fan speed conditions DB WB 50Hz pressure P exchanger interchanging indoor pipe T Indoor Outdoor Standard 0 4 43 0 High 20 7 6 High temperature 1 52 0 59 0 Low 27 24 18 Low temperature 0 3 36 0 High 20 10 10 Standard Cooling High temperature Low temperature Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor 1 During heating overload the high temperature limit control operation is included 25 5 6 RAS 24UFP E4 RAS 24UA E4 RAS 24UFPX4 RAS 24UAX4 FILE NO SVM 05015 Ror unit __ Evaporator 1 0 39m lt Connecting pipe c 15 88 lt 2 0 39m 2 gt Flexible pipe DE 215 88 mm lt P O D 6 35 mm O D 15 88 mm
68. e any problems or if the installation is not accepted by the supplier service agency will take adequate countermeasures Remark Directive 89 336 prevent flicker impressions during the start of the compressor technical process following installation conditions do apply The power connection for the air conditioner has to be done at the main power distribution This distribution has to be of an impedance Normally the required impedance is reached at a 32A fusing point Air conditioner fuse has to be 16 max No other equipment should be connected to this power line For detailed installation acceptance please contact your power supplier whether its restriction does apply for products like washing machines air conditioners or electrical ovens For power details of the air conditioner refer to the rating plate of the product 41 FILE NO SVM 05015 8 2 Installation Diagram of Indoor and Outdoor Units For installation of the indoor unit use the paper pattern which is inside the package box cover Under Ceiling Installation Console Installation Hook Pipe shield Mounting screw efore install the Wireless remote control 2 Wireless remote SS control With the remote control cover open load the batteries supplied ES 6 Bio enzyme amp Gingko filter correctly observing their polarity 2 Wireless remote control Sasa zeolite plus filter Batt
69. e following places may result in trouble Do not install the unit in such places A place full of machine oil e saline place such as the coast A place full of sulfide gas A place where high frequency waves are likely to be generated as from audio equipment C welders and medical equipment E 52 FILE NO SVM 05015 lt Tightening connection gt 8 5 3 Evacuating 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 e Do not apply excess torque otherwise the nut may crack depending on the conditions 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 vacuum pump Do not use the refrigerant in the outdoor unit For details see the manual of the vacuum pump Using a vacuum pump Unit 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 Connect the charge hose to the port of the vacuum pump Open fully the low pressure side handle of the gauge manifold valve 4 Operate
70. ected for 120 seconds or detected more 61 FILE NO SVM 05015 Check item Conceivable principle cause Measure 9 5 How to Diagnose Faulty Parts 04 Serial signal error Item by symptoms Does outdoor unit operate Are 1 2 and 3 crossover N NO Connect crossover wires connected properly wires properly 5 Is connector Connect crossover connected properly properly YES Does LED Orange on outdoor P C board blink Does LED Green on outdoor P C board blink Outdoor P C board Replace is defective P C board Indoor P C board Replace is defective P C board 08 Four way valve error Does four way valve operate properly YES Does coil terminal have 220 240 V in heating operation NO Are circuit wires normal YES Is outdoor P C board normal YES Four way valve is defective Replace Four way valve NO Circuit check modification NO Outdoor P C board Replace is defective P C board Indoor board Replace is defective P C board Replace TC sensor Is TC sensor resistance YES value 10kQ at 25 C normal 62 FILE NO SVM 05015 09 Other cycle error 1 Does compressor operate YES Is compressor YES 2 YES Check charged amount of refrigerant turned off shortly in compressor Check
71. ed on and off automatically at the regular intervals independent of the thermo control The PRE DEF lamp is indicated when the Heating 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 compressor is not turned on even though the room temperature is in the range that the compressor is turned on 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 Auto matic operation In Automatic operation the room temperature is detacted every 15 minutes and the operation mode is changed 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 190 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
72. eries Air filter Remote control holder Pan head wood screw Insulate the refrigerant pipes separately with insulation not together 6 mm thick heat resisting polyethylene foam Vinyl tape Apply after carrying out a drainage test Extension drain hose J Saddle Extension drain hose i Not available A ens on provided by installer Extension drain hose Not available Electric C 7 parts or provided by installer cover Vinyl tape Apply after carrying out a drainage test E E 600 mm or more 600 mm or more Electric parts cover Extension lt drain hose Extension drain hose 18 Class Cooling only 18 Class Heat pump Loop the connective cable about 100 mm in diameter and 300 350 mm long Loop the connective cable about 100 mm in diameter and 300 350 mm long 42 FILE NO SVM 05015 8 3 Installation 8 3 1 Optional installation parts Part Parts name Code Refrigerant piping Liquid side 26 35 mm 9 Gasside 212 70 mm RAS 18UF 15 88 mm RAS 24UF RAS 18UFPX4 T2 Pipe insulating material polyethylene foam 6 mm thick Putty PVC tapes One y P each Fixing bolt arrangement of outdoor unit RAS 18UAH E4 600 mm Air inlet
73. fans 81 Fan cover Motor 2 Connectors Multi blade fan FILE NO SVM 05015 10 2 Outdoor Unit RAS 24UAH E4 RAS 24UA E4 RAS 24UAX4 RAS 24UA AR4 RAS 18UAX4 T2 Part name Common procedure Procedures 1 Stop the operation of the air conditioner and turn off its main power supply or remove the power supply cord 2 Remove the electrical parts cover 4 screws 24 x 101 3 Remove 2 cord clamps 4 screws 24 x 22L and disconnect the power supply cord and connecting cable after removing 6 screwson on the terminal block and 1 ground screw on the electrical parts base 4 Remove the top cabinet 7 screws 24 x 10L 5 Remove the front cabinet 2 screws 24 x 101 6 Remove the side cabinet 4 screws 4 10L amp 2 screws 24 x 141 Remarks Top cabinet Electrical parts cover Front cabinet Side cabinet 4 screws 24 x 221 Running capacitor for compressor 1 Perform the common procedure 1 2 Remove the capacitor band 1 screw 24 101 3 Disconnect the lead wires from the capacitor terminal Running capacitor for fan motor 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 24 x 101 3 Disconnect the lead wires from the capacitor terminal Magnetic contactor 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 24 x 101 3 Disconnect the lead wires from the terminal Transformer Heat pump
74. g the unit and room temperature is between preset temperature and 3 lower than preset temperature 25 minutes or more passed after starting the unit Room temperature Preset temperature 4 Room temperature gt Preset temperature 3 5 C 32 Fig 7 2 9 7 3 Hi POWER Mode 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 less than the setting temperature the horizontal louver returns automatically FAN speed AUTO If the room temperature is higher than the setting temperature by 3 5 C 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 temper
75. g capacitor for compressor BUM44X4505B AC 440 V 45uF Magnetic contactor 5 220 240 V 50 Hz 19 4 9 Outdoor Unit RAS 24UA AR4 Parts name Compressor PH400X3CS 4KTS1 FILE NO SVM 05015 Specifications Output Rated 2200 W 2 poles 1 phase 220 240V 50 Hz Winding resistance Q at 20 C C R C S 1 01 2 32 Fan motor for outdoor 230 65 Output Rated 65 W 6 poles 1 phase 220 240V 50 Hz Winding resistance at 20 C Red Black White Black 71 2 139 0 Running capacitor for fan motor 451305L 450 V 3 5uF Running capacitor for compressor SK42CMP60U1 S AC 420 V 60uF Magnetic contactor A35 220 240V 50 Hz 20 FILE NO SVM 05015 5 REFRIGERATION CYCLE DIAGRAM 5 1 RAS 18UFHP E4 RAS 18UAH E4 T Indoor unit Cooling r gt w osom ipe a 0 49m 9 pip Connecting pipe 212 70 mm 26 35 mm 0 39m i Flexible PUR 12 70 mm gt P D 6 35 mm O D 12 70 MSS Packed valve 212 70 26 35 gt A Heating 4 valve cet Capillary tube 20 8x400 Y i Heating Cooling Compressor 2JS350D5A02 Capillary tube 3 2 0x600 _ 4 Accumulator A Condenser Dryer
76. h is inside the package box cover Mounting screw 1093 5 375 742 or more Mounting screw 160 633 Fig 8 4 21 lt Condition for installation gt The unit must not decline more than 15 mm in either 390 mm or more Rear piping hole 280 axis Fig 8 4 19 15mm N X Q X Anchor bolt N Y Projection ee 5 hole 15 mm or less H SM W PiE PESE Mounting screw DA x 25 2 N Clip anchor Fig 8 4 22 local parts Fig 8 4 20 Failure to firmly install the unit may result in personal injury and property damage if the unit falls e case of block brick concrete or similar type walls make 5 mm dia holes in the wall Insert clip anchors for appropriate Mounting screws 8 NOTE Secure four corners and lower parts of the Installation plate 1 with 6 to 8 mounting screws to install it 49 lt Piping Drain hose installation gt FILE NO SVM 05015 8 4 6 Wiring connection e The piping direction can be the following ways with lt How to connect the connecting cable gt the Drain hose Each piping direction should be connected with the Flexible pipe Side piping
77. it Check the defects of the P C board with Table 9 8 1 Table 9 8 1 Inspection procedure remove the P C board assembly is blown from electric parts base Remove the connecting cables from the terminal block Procedure Check points Causes Turn off the power supply and Check whenther or not the fuse F01 Impluse voltage was applied or the indoor fan motor short circuited Remove the connector of the motor Check power supply voltage 1 The terminal block or the cross and turn on the power supply If 1 Between TP3 and TP4 of CN30 over cable is connected wrongly OPERATION lamp blinks once per and CN31 220 240V AC 2 The capacitor C01 and C15 line second it is not neccessary to 2 Between and of C02 filter 101 resistor RO1 or the check steps 1 to 3 in the right next DC310 340V column 3 Between 12V and GND 3 Q301 F02 and T01 are defective 4 Between 5V and GND 4 Q301 07 and T01 are diode DBO1 is defective defective AC70 100V Press 5 button once to Check power supply voltage Heating and cooling model start the unit Do not set the mode Heating and cooling model IC05 and IC06 are defective to Fan Only or On Timer operation 1 Between CN31 and CN23 Cooling only model Cooling only model 1 Between collector of Q33 and 1 The wire of the relay coil RY04 GND for relay coil DC12V comes down or the relay drive 2 Between 2 and 3 of
78. model 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 24 x 101 3 Disconnect the housing from the P C Board Magnetic contactor Running capacitor for compressor Running capacitor for fan motor Transformer Heat pump model Board Heat pump model 1 Perform the common procedure 1 2 Disconnect the lead wires from the P C Board 3 Remove P C Board after unhooking 4 clams Spark killer Cooling only model 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 24 x 101 3 Disconnect the lead wires from the terminal 82 Running capacitor Spark killer for compressor Running capacitor for fan motor Cooling only model Magnetic contactor 10 3 Outdoor Unit RAS 18UAH E4 Part name Common procedure Procedures Stop the operation of the air conditioner and turn off its main power supply or remove the power supply cord Remove the electrical parts cover 4 screws 4 x 10L Remove 2 cord clamps 4 screws 4 22L and disconnect the power supply cord and connecting cable after removing 6 screws on the terminal block and 1 ground screw on the electrical parts base Remove the front cabinet 8 scerws 4 10L Pull the front lower portion toward you and pull out it upward to remove it Remove the side cabinet 8 screws 4 x 101 FILE NO SVM 05015 Remarks Remove 8 screws 04 x 10L 4 screws
79. mote control with the batteries 2 Press the CHECK button using something with sharp point The preset temperature on the remote control changes to 00 3 Press the MODE button while pressing the CHECK button is indicted at the right of the I j present temperature display B is indicated on the liquid crystal display when setting remote control selector switch to B A is not indicated on the display even if the selector switch is set to e To reset the switch to the A setting press the MODE button again while pressing the CHECK A button Drain pump kit Fig 8 7 1 TOSHIBA CAB AUTOA x ORO F e OK AEEBH i BB AMIE agg HiPOWER ECO HFOIER ECO umanmi obe GES Gane TIMER 13 5 9H 8 RESET CLOCK CHK button SS gt MODE button Fig 8 6 3 3 Confirm that the indoor unit can operate with the new setting 56 8 8 Others 8 8 1 Gas leak test Electric parts cover D Flare nut connections Indoor unit Valve stem cap connection Flare nut connections A Outdoor unit JUL Valve stem cap connection Fig 8 8 1 Service cap connection Check the flare nut connections valve stem cap connections and service port cap connections for gas leak with a leak detector or soap water
80. mpressor 2JS350D5DA02 MP35EA12 DC 12V Specifications Output Rated 1500 W 2 poles 1 phase 220 240 V 50 Hz Output Rated 2W 6poles 4phase Winding resistance Q C R 5 at 20 0 981 2 845 Fan motor for outdoor KFG6 71SB5P T3 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz Winding resistance Red Black White Black at 20 C 64 4 127 4 Running capacitor for fan motor 451205L AC 450 V 2uF Running capacitor for compressor BUM44X4505B AC 440 V 45uF Solenoid coil for 4 way valve VHV STF AC 220 240 V Thermo sensor TE TD 10 at 25 50 at 25 Magnetic contactor CLK 26J 220 240 V 50 Hz Transformer 05 220 240 V Microcontroller TMP47C840N Varistor R73 R74 R86 15G471K 470 V Fuse F01 MT3 T6 3 A 250 V 17 4 4 Outdoor Unit RAS 18UAX4 RAS 18UA E4 Parts name Compressor PH340X3C 4KT1 FILE NO SVM 05015 Specifications Output Rated 1500 W 2 poles 1 phase 220 240 V 50 Hz Winding resistance 0 at 20 C R C S 1 46 2 47 Fan motor for outdoor WLF 240 42A 1 Output Rated 42 W 6 poles 1 phase 220 240 V 50 Hz Winding resistance Q at 20 C Red Black White Black 188 289 Running capacitor
81. nals can not be Operation The lamp on the 1 In the case of the outdoor unit not connection transmitted and received between continues indoor unit blinks operating at all indoor and outdoor units when error is Check the crossover cable and The crossover wire is defected connect it properly connected wrongly Check the outdoor P C board The serial signal transmitting 2 In the case of the outdoor unit operating TAN circuit on the outdoor P C board normally Li is defective Check whether or not both of serial The serial signal receiving LED Green and serial LED Orange circuit on the indoor P C board is blinking is defective If the serial LED Green is not blinking check the outdoor P C board If the serial LED Orange is not 1 blinking check the indoor P C board Lg The operation command signals Operation The lamp on the If the operation command signals continue are not transmitted from the continues indoor unit blinks to be transmitted between 2 and 3 of the indoor unit to the outdoor unit when error is indoor terminal block replace the outdoor defected board LI Dn returns to the normal condition when recovering from errors Outdoor The outdoor thermo sensor TE All off The lamp on the 1 Check the outdoor thermo sensor TE PC board TT is defective indoor unit blinks 2 Check the outdoor P C board I Disconnection or short circuit when error is defected The
82. nd By means of TC sensor 23 FILE NO SVM 05015 5 4 RAS 18UFPX4 T2 RAS 18UAX4 T2 T _ Indoorunit _ __ Evaporator 1 osom 4 4 Connecting pipe SART pipe EUR x 26 35 mm 0 39m Y i I Flexible pipe 15 88 mm lt O D 6 35 mm O D 15 88 mm Packed valve Packed valve 215 58 26 35 CUMAE Capillary tube 3 2 0 800 290 2 4 1 L Condenser Refrigerant Propeller fan R 22 1 47 kg E Outdoor unit Mark means check points of Gas Leak Ambient temp Standard Surface temp of heat Fan speed conditions DB WB 50Hz pressure P exchanger interchanging indoor C MPaG pipeLT_ C Indoor Outdoor Standard 0 5 10 0 High 27 19 35 24 Cooling High temperature 0 6 12 0 High 32 23 43 26 Low temperature 0 3 2 0 Low 21 15 21 15 Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor 24 FILE NO SVM 05015 5 5 RAS 24UFHP E4 RAS 24UAH E4 Indoor unit Cooling 4 0 39m qum DU 0 49m Connecting pipe Heating kaka g pip Connecting pipe 15 88 mm lt 26 35 mm 0 39 Flexible pipe 215 88 mm Vv lt O D 6 35 mm O D 15 88 TN i Packed valve Packed valv
83. nector Connect 01 connected properly properly Replace TC sensor Is TC sensor resistance value 10 kQ at 25 C normal Indoor P C board is defective Replace P C board 18 outdoor TE sensor error Is TE sensor connector Connect connector connected properly properly YES Replace TE sensor Is TE sensor resistance value 10 kQ at 25 C normal Indoor P C board is defective Replace P C board 64 FILE NO SVM 05015 19 outdoor TD sensor error Is TD sensor Connect connector connected properly properly YES Replace TD sensor Is TD sensor resistance value 50 at 25 normal Indoor board is defective Replace P C board 1 Discharge temp error 2 Is protective controller such as discharge thermostat normal Is charged amount of refrigerant normal YES YES Is overload relay normal NO NO Are wires connected to NO Connect wires to connector properly connector properly Check and modify charged amount of refrigerant Unit operates normally NO Is TD sensor resistance value 50 kQ at 25 C normal Replace TD sensor YES Outdoor P C board is defective Replace P C board 65 FILE NO SVM 05015 9 6 Troubleshooting for Indoor Unit Operation 9 6 1 Power can not be turned on The unit does not operate at all Check item lt Primary check gt 1 Is the supply
84. need to change the selector switch lt Remote control selector switch gt e When two indoor units are installed in the same room or the adjacent two rooms they may be controlled simultaneously with a single remote control To prevent this set either unit and its remote control to B setting Both units are set to A setting before shipment e The remote control signal is not recived when the indoor unit setting is different from the remote control one 1 Set the remote control selector switch with the indoor unit 1 Turn the circuit breaker of the main power switch off before setting the selector switch 2 Remove the Air inlet grille Refer to page 47 8 4 2 Fig 8 6 1 3 Select the terminal of selector switch from A position to B position n C o TIVISNI mm 2 LL Fig 8 6 2 55 FILE NO SVM 05015 2 Set the remote control selector switch withthe 8 7 How to Use Drain Pump Kit of Option remote control In the case of upward drainage from the unit Under ceiling installation It is necessary to use Drain pump kit of option parts By using a Drain pump kit it becomes possible to raise 300 mm from a ceiling side Please follow the installation manual of Drain pump kit TCB DP10CE attachment 1 Load the re
85. nit This advanced efficient system reduces moisture in the coil When air conditioner is turned off the internal fan activates and dries the moisture in the coil for 20 minutes then it turns off automatically Operation display ON OFF OFF ON ON FCU fan rpm is depend on presetting rpm is SL speed OFF FCU louver OPEN CLOSE CLOSE Ti displ ON or OFF ON ON or OFF Une nn ay depend on presetting of timer function depend on presetting of timer function ON or OFF Compressor depend on presetting per room temperature OFF CDU fan ON or OFF OFF depend on presetting per room temperature gt Cool mode or dry mode Self Cleaning mode Operation time operation more than 10 mins operate 20 mins Automatically turn off Turn off by remote controller or timer off function The Self Cleaning function is set as default at ex factory Self Cleaning operation can stop manually by press 6 button of the remote control two more time 7 9 1 How to cancel Self Cleaning function 7 9 2 How to set Self Cleaning function To cancel the Self Cleaning function proceed as To set the Self Cleaning function proceed as follows follows e Press TEMPORARY button one time or use remote control to turn on air conditioner The OPERATION display will show in orange color When AUTO RESET is ON or green color When AUTO RESTART is OFF Hold down the TEMPORARY button for more than 20 seconds The air conditioner will
86. o work constantly at lower than speed L In addition noise level of indoor unit is less than usual 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 Remarks 1 Quiet mode is unable to work in dry mode 2 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 11 COMFORT SLEEP mode The principles of comfort sleep mode are Quietness for more comfortable e Save energy by changing room temperature automatically e The air condition can shut down by itself automatically Remarks 1 Comfort sleep mode will not operate in dry mode and fan only mode 2 Comfort sleep 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 FILE NO SVM 05015 7 11 1 Cooling mode e The fan speed of indoor unit operates automatically it relates with the compressor s operation Compressor s Operation Fan Speed ON L OFF SL 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
87. oad relay normal Overload relay is defective Replace overload relay YES NO 2 Does compressor start Compressor is defective Replace compressor YES Does compressor stop after a while YES Is gas quantity normal NO Check gas pressure YES Compressor is defective YES Replace P C board Gas shortage Gas leak Supply gas 68 FILE NO SVM 05015 lt lnspection procedure gt Colling model Turn on power supply Refer to item Power can not be turned Does OPERATION lamp blink YES Is it possible to start unit by remote control YES Is it possible to detect AC 200V 2 between 2 and terminal block YES Is crossover cable normal cable properly YES Rewire or replace Are all of compressor cords normal defective cords YES Is compressor motor winding normal C is defecti Replace compressor Check winding resistor Compressors P YES Is capacitor for compressor normal Capacitor is defective Replace compressor YES Is overload relay normal Overload relay is defective Replace overload relay YES Does compressor start Compressor is defective Replace compressor YES Refer to 9 9 Troubleshooting for Remote Control Does compressor stop after a while YES Is gas quantity normal Check gas pressure YES Compressor is defective YES Replace P C borad Gas shortage
88. ol Axial distance Fig 8 4 2 The Paper pattern is inside the package box cover Do not bend and dispose of it before installing 45 FILE NO SVM 05015 8 4 2 Before installation 8 4 3 After installation lt Remove the Air inlet grille gt lt Install the Air inlet grille gt 1 Open the Air inlet grille with both hands 1 Insert the three Panel arms on the Air inlet grille and 2 Loosen three screws for fixing the Panel arm fix each securely by screws Do not remove the screws at this time Panel arm Fig 8 4 3 3 First move the Air inlet grille upward then turn it backwards 4 Remove the Grille stopper from the axis of the Front CAUTION panel After that remove the Air inlet grille 5 Remove the Panel arms from the Front panel e The screws that fixed with Panel arms must not be loose Panel arm 2 Set the Air inlet grille arm to the axis of the Front panel 3 Insert the Grille stopper to the correct position and fix it securely with screws 4 Push the Air inlet grille to the correct position Grille stopper Axis of the Air inlet Front panel grille arm Fig 8 4 4 46 8 4 4 Under ceiling installation For the installation of the indoor unit use the Paper pattern which is inside the package box cover lt Install the Suspension bolts gt e Install the suspension bolts so that it can support the indoor unit 240 mm or more
89. r fan motor Heat pump Model only 7 1 1 Louver control 1 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 2 Swing If SWING button is pressed when the indoor unit is in operation the vertical air flow louver starts swinging When FIX button is pressed it stops swinging 7 1 2 Indoor fan control AC Fan motor 1 The indoor fan is operated by the stepless speed change AC motor 2 For air flow level speed of the indoor fan motor is controlled in five steps LOW LOW MED MED and HIGH If AUTO mode is selected the fan motor speed is automatically controlled by the difference between the preset temperature and the room temperature Low LOW MED 2 MED MEDSHIER Table 7 1 1 FAN Cooling OPERATION Heat L MODE Fan only H M M Dry M M rpm 1060 1030 970 950 RAS 18UFHP Series ar flow volume mh 800 770 720 700 rpm 1060 1030 900 RAS 18UFP Series Air flow volume m h 800 770 680 rpm 1170110901020 RAS Series Lec cea volume mh
90. r 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 controller The outdoor unit controller 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 e Temperature setting of the indoor heat exchanger by the heat exchanger sensor e Louver motor control e Indoor fan motor operation control e LED display control e Transferring of 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 Compressor operation control e Operation control of outdoor fan motor Operations according to the commands from the indoor unit 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 outdoor heat exchanger and control for the four way valve and the outdoo
91. re detected by the outdoor heat exchanger sensor is under the specified temperature the outdoor unit starts the defrosting operation At this time the 4 way valve relay and the outdoor fan motor are turned off The indoor fan motor is also turned off by the cold draft preventing control of the indoor microcomputer Then PRE DEF lamp on the indoor unit comes on The defrosting operation stops and the 4 way valve relay outdoor fan motor and the indoor fan motor are turned on automatically when the refrigerant evaporation increases to the specified temperature or when the defrosting time is over 12 minutes 34 FILE NO SVM 05015 7 6 1 Defrost starting condition 7 6 2 Defrost finish condition A Zone If 10 C gt Teo gt 18 defrost will 1 If Te gt 3 at least 60 sec gt 4 way value on start when 2 If Te gt 8 C gt 4 way value on Teo Te gt 2 5 C at teat 20 sec or Timing 30 min after operation B Zone If Te 18 C defrost start instantaneously Suddenly 00 25 min ofter operation Operation time 4 Loops Tt C Zone If 2 C gt Teo gt 10 C defrost will start when 25 T4 Teo Te 3 C at least 20 sec or 60 min after operation A A Start time record Finish time record Defrost time rate Td Tt x 100 Heating time rate Tt Td x Tt Fig 7 6 2 35 7 7 Auto Restart Function The indoor unit is
92. stat trouble of compressor OPERATION TIMER and PRE DEF or FAN ONLY or cooling only model lamps are blinking Cycle failure Table 9 3 2 Diagnosis by detective operation Symptom The remote control does not work Turn off the power supply once then turn it on Try to operate the remote control Primary judgement The remote control still does not work The indoor unit and or remote control is are defective The remote control OK works The outdoor fan does not rotate The compressor operates The outdoor unit Outdoor fan motor is defective The compressor does not operate An internal part of the compressor is defective 59 9 4 Self Diagnosis by Remote Control Check Code 1 If the lamps are indicated as shown B to G in Table 9 3 1 exchanger the self diagnosis by the remote control When the remote control is set to the service mode the indoor controller diagnoses the operation condition and indicate the information of the self diagnosis on the display of the remote control with the check codes If a fault is detected all lamps on the indoor unit will blink at 5 Hz and it will beep for 10 seconds Pi Pi Pi The timer lamp usually blinks 5 Hz during the self diagnosis 2 9 4 1 How to use remote control in service mode TOSHIBA AUTO A xx gt jl gt CHK MEE 20114 C MRAR HiPOWER ECO
93. stop suddenly when the TEMPORARY button 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 e 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 e Press TEMPORARY button one time or use remote control to turn on air conditioner The OPERATION display will show in orange color When AUTO RESTART is ON or green color When AUTO RESTART is OFF Hold down the TEMPORARY button for more than 20 seconds The air conditioner will stop suddenly when the TEMPORARY button is pressed but keep holding it continue Then will beep 3 times in the first 3 seconds but it is not related to Self Cleaning function e After holding about 20 seconds the air conditioner will beep 5 times without any blinking of display e The Self Cleaning Operation had been cancelled Remarks e Per setting of Self Cleaning function above AUTO RESTART function had been cancelled To set AUTO RESTART again please follow item 7 8 1 Remarks e Per setting of Self Cleaning function above AUTO RESTART function had been cancelled To set AUTO RESTART again please follow item 7 8 1 Hipower PN TEMPORARY button 38 7 10 QUIET Mode Quiet mode is the system which control the revolving speed of indoor fan t
94. temp of heat Fan speed conditions DB WB 50Hz pressure P exchanger interchanging indoor C MPaG pipe Indoor Outdoor Standard 0 4 10 0 High 27 19 35 24 Cooling High temperature 0 5 13 0 High 32 23 43 26 Low temperature 0 3 2 0 Low 21 15 21 15 Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor 22 FILE NO SVM 05015 5 3 RAS 18UFP AR4 RAS 18UA AR4 Indoor unit 0 39m lt Connecting pipe 0 49m 12 70 mm lt M pipe 0 39m gt Flexible pipe ae 012 70 mm lt O D 6 35 mm O D 12 70 mm Packed valve Packed valve 212 70 26 35 Capillary tube 3 2 0 1000 ill Accumulator f Capillary tube ha 0 8 1200 Compressor PH340X3C 4KTS1 Es r Condenser m E Refrigerant L Propeller fan R 22 1 20 kg Outdoor unit Mark means check points of Gas Leak Ambient temp Fan speed conditions DB WB indoor Indoor Standard 0 4 10 0 High 27 19 35 24 Cooling High temperature 0 5 13 0 High 32 23 52 31 Low temperature 0 3 2 0 Low 21 15 21 15 Standard Surface temp of heat 50Hz pressure exchanger interchanging MPaG pipe T Note Measure the heat exchanger temperature at the center of U be
95. terminal block Q33 is defective for connecting cable 2 CN27 or RY04 is connected wrongly Shorten the line of the restart delay Check whether or not all lamps The lamps are defective or the timer and start unit OPERATION TIMER housing assembly CN13 is PRE DEF or FAN ONLY ECO and defective AUTO are indicated for 3 seconds Set the operation mode to COOL Setthe fan speed level to AUTO Setthe preset temperature much lower than the room temperature The unit compressor operates continuously in the above condition 73 Press 5 button once to 1 Check whether or not the 1 The temperature of the indoor start the unit compressor operates heat exchanger is extremely low Shorten the time of the restart 2 Check whether or not the 2 The connection of the heat delay timer OPERATION lamp blinks exchanger sensor is loose The connector is disconnected 01 3 The heat exchanger sensor and the P C board are defective Refer to Table 9 8 2 4 The main P C board is defective Procedure If the above condition No 6 still continues start the unit in the following condition Set the operation mode to HEAT Set the preset temperature much higher than room temperature Check points Check whether or not the compressor operates Check whether or not the OPERATION lamp blinks FILE NO SVM 05015 Causes 1 The temperature of the indoor
96. the preset temperature on the remote control does not change e Press the COMFORT SLEEP button to choose the operating hours Repeat pressing to select the hours 1hr 3hr Shr or 9hr e f the COMFORT SLEEP button is pressed again means cancel comfort sleep mode 7 11 2 Heating mode e The fan speed of indoor unit operates automatically it relates with the compressor s operation Compressor s Operation Fan Speed L OFF SL e The preset temperature will drop down 1 after the comfort sleep mode has operated for 1 hour and the temperature will decrease another 1 after the comfort sleep mode has operated for 2 hour The value of the preset temperature on the remote control dose not change Press the COMFORT SLEEP button to choose the operating hours Repeat pressing to select the hours 1hr 3hr 5hr or 9 hr e f the COMFORT SLEEP button is pressed again means cancel comfort sleep mode 39 FILE NO SVM 05015 8 INSTALLATION PROCEDURE 8 1 Safety Cautions For general public use Power supply cord of outdoor unit should be more than 4 mm H07RN F or 245 IEC66 polychloroprene sheathed flexible cord or 3 5 mm AWG 12 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 If this is not possible a power supply plug
97. the vacuum pump to start for 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 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 Outer dia of copper pipe 26 35 mm 212 70 mm 215 88 mm Tightening torque 16 to 18 1 6 to 1 8 kgf m 50 to 62 5 0 to 6 2 kgf m 65 to 80 6 5 to 8 0 kgf m 2 Tightening torque of flare pipe connections 3 Flare at outdoor unit side 6 Fig 8 5 4 Half union 00 are nut Compound pressure gauge Pressure gauge 101kPa 76cmHg Externally Internally threaded side Sf 42 threaded side Use a wrench to secure Manifold valve Handle Keep full closed Use a torque wrench to tighten Handle Lo Fig 8 5 5 CAUTION 3 Charge hose lt Charge hose Connecting pipe KEEP IMPORTANT 4 POINTS FOR 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 PU
98. tween 3 Brown lead wire and Gray lead wire of the motor connector CN11 when rotating the cross flow fan by hand in no operating status 3 pulses one turn YES Replace connecting the Replace the control cable or power cord terminal block 67 FILE NO SVM 05015 9 6 3 Compressor does not operate lt Primary check gt 1 Is the preset temperature higher than the room temperature in cooling operation 2 Is the crossover cable connected properly lt lnspection procedure gt Cooling only model Turn on power supply Does OPERATION lamp blink YES Refer to 9 6 1 Power can not be turned Is resistance value of thermo sensor TA and heat exchanger sensor TC normal Does miniature relay RY04 switch on and off due to temperature changes Thermo sensor or heat exchanger sensor is defective Replace thermo sensor or Microcomputer is defective Miniature relay RY04 is defective heat exchanger sensor Is it possible to detect AC 220 240V between 2 3 on terminal block Replace P C board Rewire or replace defective cords Are all of compressor cords normal YES Is compressor motor winding normal Check winding resistor Replace compressor Compressor is defective NO 2 Is capacitor for compressor normal Capacitor is defective Replace capacitor NO Is overl
99. umption Ww 2670 2260 Power factor 89 92 Indoor A 0 45 0 45 Running current 9 Outdoor A 12 00 10 75 Starting current A 60 Moisture removal lit h Indoor H M L dB 46 4 4 42 39 37 Noise Outdoor dB 58 56 Name of refrigerant Refrigerant Rated amount kg R 22 Refrigerant control Capilla ry tube Gas side size Connection type mm 15 88 Flare co nnection Liquid side size Interconnection Connection type 06 35 Flare co nnection Maximum length One way pipe 15 25 Maximum height difference INDOOR UNIT 1 RAS 24UFHP E4 10 0 RAS 24UFP E4 RAS 24UFPX4 93 RAS 24UFP AR4 Dimensions 633 208 Net weight 2 3 Evaporator type Finned tube Indoor fan type Multi blade fan High fan 930 Air volume Medium fan 760 Low fan 660 Fan motor output 5 0 Air filter OUTDOOR UNIT Washable filter RAS 24UAH E4 RAS 24UA E4 RAS 24UAX4 880 RAS 24UA AR4 Dimensions 690 310 Net weight Condenser type Finned tube Outdoor fan type Propel ler fan Airflow volume 3560 3380 3560 3380 3560 3380 3560 Fan motor output 6 5 Model Compressor 2JS386D5BB02
100. upply 2 Open the Air inlet grille with both hands Air inlet grille 3 Unfasten 3 screws about two to three rounds for fixing the Panel arms 4 Move the Air inlet grille toward Panel arm 5 Remove the Grille stopper from the axis of the Front panel After that remove the Air inlet grille Air inlet grille 6 Remove the Panel arms from the Front panel Panel arm lt How to install the Air inlet grille gt 1 Insert three Panel arms on the Air inlet grille and fix each securely by screws 2 Set the Air inlet grille arm to the axis of the Front panel Refer to page 47 8 4 3 3 Insert the Grille stopper to the correct position and fix it securely with screws 4 Push the Air inlet grille to the correct position 77 Part name Front panel Procedures lt How to remove the Front panel gt 1 Remove the Air inlet grille 2 In case of the Drain hose is installed through the Front panel Remove the Drain band from the Front panel Cut away the Opening base for piping from Front panel and keep parts 3 Open 3 Cap screws and remove the screws 4 Remove 5 screws fixing the Front panel 5 Remove the hooks of the Panel LED nearly side from the Drain pan Continue 78 FILE NO SVM 05015 Remarks Drain band Drain panel Cap screws Screws Part name Front panel Procedures 6 Remove both side hooks and remove the Front panel by turn to air inlet p
101. ve Compressor is defective Gas shortage Gas leak e FILE NO SVM 05015 Rewire or replace defective cords Replace compressor Replace capacitor Replace overload relay Replace compressor Supply gas FILE NO SVM 05015 9 7 Troubleshooting for Wiring Interconnect cable and Serial Signal Wire 9 7 1 Outdoor unit does not operate lt Inspection procedure gt 1 Is the voltage between 1 and Q of the indoor terminal block varied 2 Are signals from the indoor unit to the outdoor unit transmitted correctly based upon the following diagram NOTE Measure the voltage for 2 minutes and 30 seconds after starting the unit s Tester Heatpump model Terminal block on indoor side Red White Terminal block Normal condition Voltage varied between AC70 100V Abnormal condition Voltage does not vary Cooling model Terminal block on indoor side Tester Terminal block Fig 9 7 1 Normal condition After start operated about 2 minutes and 30 seconds Voltage between 2 and 3 of the of the indoor s Terminal block should be equal AC 220 240V Abnormal condition Don t found voltage AC 220 240V For Asia model AC 220V from terminal block OV 9 7 2 Outdoor unit stops a while after starting the unit Confirmation procedure Select one of 3 cases below and follow the procedure 1 The outdoor unit stops between 10 and 20 minutes passed after starting and it takes

AIR-CONDITIONER

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