Home

RAS-24UKHP-E3 / RAS-24UAH-E3 RAS-18UKHP-E3 / RAS

Contents

1. a D pp 1 0 I H D LL I m 5 fe l l 44 Connection pipe 0 39 Drain hose 0 54 m 157 For 24 series and RAS 18UKPX3 T2 Flare 215 88 connection pipe 0 49m Wireless remote control For 18 series except RAS 18UKPX3 T2 Flare 212 7 Flare 26 35 o 998 o 8 T 763 5 2 450 For stud bolt 26 20 20 For stud bolt 8 210 ES 3 au 2402 S 4 x M NT Outline of indoor unit 1 spes g sonm EL 15 Pe Le r1 gi e 9 aq 1 V n P gt pr 8 TERI Installation Plate outline FILE NO SVM 04008 2 2 Outdoor Unit RAS 24UAH E3 RAS 24UA E3 RAS 24UAX3 RAS 24UA AR3 RAS 24UAX3 T RAS 18UAX3 T2 96 lpueH 2717 youd ove uod eoweg _ I 886 2 apis sey 66 9 epis pinbr 19400 SU o 016 yoq Jououe OLD BS 10 E I 810 Jepno X v 40 009 900 ANY
2. BRW BROWN f FAN MOTOR WHI WHITE LOUVER Z YEL YELLOW MOTOR BLU BLUE DC MOTOR BLK BLACK GRY GRAY PNK PINK A ORN ORANGE GRN amp YEL GREEN 8YELLOW i CN 10 TH 4 Iu N 04 5601 VARISTOR v DSA T6 250 V 01 DBO1T FO1 FUSE T sj T R21 door r aa LI 91 Em 8 E ee ot oDCOV BLK DEN WHI CN30 I RED T MAIN BOARD 9 821 006 1602 IC E IC01 I CN03 _ 142 GRN amp YEL 15 CN23 i Papen p EXCHANGER _ L 1 516171819710 SENSOR INFRARED RAYS RECEIVE 4 3 TC AND INDICATION PARTS TERMINAL INDOOR _ 2 BLOCK j UNIT MAIN BOARD 890 Se repe u 1 OUTDOOR C gi POWER SUPPLY UNIT bt CNO6 DISCHARGE 220 240V 50Hz SENSSE RED Ly BLU OUTDOOR i 0505 2X a FERRITE GRN amp YEL M SG0 S dT lel INI BLK BLK eo 4 4 GRN amp YEL 250VAC 6 TNR BLK 873 5 o REDA CN01 CHASSIS j HEAT BLK RED GRY 57 E
3. L 1 2 3 8888 screw Earth line lt Packed valve handling precautions gt Screw Open the valve stem all the way out but do not try to open it beyond the stopper Securely tighten the valve stem cap with torque in the following table Power supply cord Connecting cable L NO E 70 70 10 Gas side Tightening torque 65 to 80 6 5 to 8 0 kgf m 60 to 62 6 0 to 6 2 kgf m 16 to 18 1 6 to 1 8 kgf m 9 to 10 N m 0 9 to 1 0 kgf m 80 Gas side 215 88 mm Gas side 212 70 mm Liquid side 26 35 mm 60 4mm Earth line Same as Power supply Gas side Connecting cable Fig 8 5 8 Service port RAS 24UKHP E3 RAS 24UAH E3 RAS 24UKP E3 RAS 24UA E3 RAS 24UKPX3 5 24 RAS 24UKP AR3 RAS 24UA AR3 RAS 24UKPX3 T RAS 24UAX3 T 50 Hz 220 240V Single phase 50 Hz 220 V Single phase For RAS 24UKPX3 T RAS 24UAX3 T and RAS 18UKPX3 T2 RAS 18UAX3 T2 model RAS 18UKHP E3 RAS 18UAH E3 RAS 18UKP E3 RAS 18UA E3 RAS 18UKPX3 RAS 18UAX3 RAS 18UKP AR3 RAS 18UA AR3 RAS 18UKPX3 T2 RAS 18UAX3 T2 e Hexagonel wrench A Unit mm Hexagonal wrench is required Power source Maximum 18 running current 16A Plug socket amp 20 fuse rating
4. 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 04008 5 3 RAS 24UKP E3 RAS 24UA E3 Indoorunit Evaporator 1 Cooling 039m 049m Connecting pipe 9 Connecting pipe 015 88 26 35 ve ANE III E gt 15 88 mm RS mm Packed valve Packed valve 7 215 88 26 35 Gas container connection Reinstall etc poto rmi o t ir m P m Dr qn Su WS Se Capillary tube 2 4x650 3 Accumulator Dryer Condenser Refrigerant Propeller fan MER ui ii MENS Cooling Outdoor unit Mark means check points of Gas Leak Ambient temp Standard Surface temp of heat Fan speed conditions DB WB pressure exchanger interchanging indoor C MPaG pipe T C Indoor Outdoor Standard 0 4 11 0 High 27 19 35 24 Cooling High temperature 0 7 12 0 High 32 23 43 26 Low temperature 0 3 1 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 04008 5 4 RAS 24UKPX3 RAS 24UAX3
5. 9 FILE SVM 04008 3 WIRING DIAGRAM 3 1 RAS 24UKHP E3 RAS 24UAH E3 COLOR IDENTIFICATION BRW BROWN 5 FAN MOTOR RED RED ibs WHI WHITE LOUVER A YEL YELLOW MOTOR BLU BLUE DC MOTOR BLK BLACK GRY GRAY PNK PINK A ORN ORANGE GRN amp YEL GREEN 8YELLOW Bk CN 10 TH P04 Ve N 04 5601 VARISTOR DSA T6 250 V 01 DBO1T FO1 FUSE T sj T R21 221 door e aa LI 91 Em 8 E ee ot oDCOV BLK DEN WHI CN30 I RED 1 MAIN BOARD 9 821 006 1602 IC E IC01 I I CN03 _ GRN amp YEL 145 us THERMO mim Papen p S SENSOR EXCHANGER _ L 1 516171819710 SENSOR INFRARED RAYS RECEIVE 4 3 TC AND INDICATION PARTS TERMI
6. RES 1 1 1 1 1 INDOOR TERMINAL INDOOR BLOCK INDO Cyr T LES E POWER SUPPLY OUTDOOR 220 50 Hz OUTDOOR T 5 i TERMINAL 2 SEDENS BLK RED a CHASSIS RED BLK Pq BLK GRY RED TD e WHI 7 RED a BLK capacitor Wi 2 COMPRESSOR DUN COMPRESSOR TERMINAL MAGNETIC CONTACTOR 15 FILE NO SVM 04008 4 SPECIFICATION OF ELECTRICAL PARTS Parts name Fan motor for indoor 4 1 Indoor Unit RAS 24UKHP E3 RAS 18UKHP E3 ICF 340 30 2 Specifications DC 340 V 30 W Thermo sensor TA sensor 10 kQ at 25 C DC DC transformer T01 SWT 58A DC 390 V Secondary DC 15 V 12V 7 V Microcontroller TMP87CM40AN Heat exchanger sensor TC sensor 10 kQ at 25 C Line filter LO1 5511 07190 19 mH AC 0 7 Diode 0801 D3SBA60 4 A 600 V Capacitor C02 KMH450VNSN120M25C 120uF 450 V Fuse 01 TSCR T6 3 A 250 V Power supply IC 1001 MA8920 5 A 900 V Varistor R21 R22 15G561K 560 V Resistor R01 RF 5TK4R7 4 7 Q 5W Louver motor Parts name Compressor PH310X3 4MM MP35EA12 4 2 Outdoor Unit RAS 24UAH E3 Output Rated 2 W 10 poles 1 phase DC 12V Sp
7. T _ Indoorunit _ Evaporator 1 0 39 TER 0 49 m Connecting pipe H Connecting pipe 215 88 Q 26 35 Cross flow fan gt 0 0 15 88 0 0 6 35 mm Packed valve Packed valve 215 88 26 35 Accumulator Capillary tube 3 i I 2 0x800 7 210 2 417 L Condenser Refrigerant Propeller fan R22 1 47 kg E Outdoor unit Mark means check points of Gas Leak Ambient temp Standard Surface temp of heat speed Conditions DB WB pressure exchanger interchanging indoor C MPaG T C MPaG pipe T C Indoor Outdoor Standard 0 4 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 27 FILE NO SVM 04008 6 CONTROL BLOCK DIAGRAM 6 1 RAS 24UKHP E3 RAS18UKHP E3 Indoor Unit Control Panel 1 Functions Operation 1 1 Louver Driver Noise Filter I Remote 1 1 Serial Signal Transmitter Receiver 1 Heat Exchanger Sensor 7 Louer cono sain Timer Temperature Sensor 3 minute Delay at Restart for Compressor Display 1 Filter Sign nfrared Rays Signal Receiver T Motor Revolution Co
8. Description Cabinet Front Cabinet Side Base Plate Packed Valve Guard Fan Handle Cover E Parts Fan Propeller Motor Fan AC 220 240 V 50 Hz Nut Flange Bushing Condenser Assembly Valve Packed 6 35 Dia ICI IIS OA 85 FILE NO SVM 04008 13 CAPILLARY TUBE 0 8DIA 20 CAPILLARY TUBE 2 0DIA Description 43747020 43746019 43747018 43747309 43747013 43749309 43755307 43755318 43760324 43741341 43752302 43743315 43733002 Bonnet 6 35 Dia Valve Packed 12 7 Dia Bonnet 12 7 Dia Capillary Tube 0 8 Dia Capillary Tube 2 0 Dia Rubber Cushion MF Capacitor 45uF 420 V MF Capacitor 2uF 450 V Terminal Block 6P Compressor 2JS350D5DA02 Magnetic Contactor Sub Condenser Spark Killer TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAM BOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND
9. Parts R21 Does the Is fuse 01 R22 SG01 fan motor of indoor YES C15 C01 DBO1 connector control board 2 ICO1 between blown and T01 and Unit operates are defective short circuit normally Is DC 310 340 V supplied to primary side of transfer Switch Are DC 15 V Switch Is voltage DC 12 V or 5 V indicated on rear of indoor control board normal NO YES Refer to Primary check or this problem is one step short of power P C board block Switch Are DC 15 V DC 12 V and DC 12V or Transfer switch DC7V Turn off breaker DC7V IC ICO1 for 4 supplied to once and turn it supplied to ower suppl secondary on again after secondary P or fan motor side of removing motor side of is defective transfer transfer 60 Microcomputer is defective 1 Replace main P C board Replace motor FILE NO SVM 04008 9 6 2 Only indoor fan motor does not operate lt Primary check gt 1 Is it possible to detect the power supply voltage 200 240 V between 1 2 on the terminal block 2 Does the indoor fan motor operate in cooling operation In heating operation the indoor fan motor does not operate for approximately 5 minutes after it is turned on to prevent a cold air from blowing in Turn off power supply onc
10. the diode 0 01 is defective C01 ICO2 and are defective C01 02 and T1 are defective C01 1202 ICO7 and T01 are defective Heat pump model 05 and 06 are defectice Cooling only model 1 The wire of the relay coil RYO4 comes down or the relay drive Q33 is defective 2 CN27 or RY04 is connected wrongly The lamps are defective or the housing assembly CN13 is defective Press START STOP button once to start the unit Shorten the time of the restart delay timer Set the operation mode to COOL Set the fan speed level to AUTO Set the preset temperature much lower than the room temperature The unit compressor operates continuously in the above condition 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 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 codition No Procedure Check points 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION lamp blinks Check whether or not the compressor operates Check whether or not the OPERATION la
11. 50 at 25 C Magnetic contactor CLK 26J 220 240 V 50 Hz Transformer TT 05 220 240 V Microcontroller TMP47C840N Varistor R73 R74 R86 15G471K 470V Fuse 01 MT3 T6 3 A 250 V VHV STF AC 220 240 V 4 4 Indoor Unit RAS 24UKP E3 RAS 24UKPX3 RAS 24UKP AR3 RAS 24UKPX3 T RAS 18UKP E3 RAS 18UKPX3 RAS 18UKP AR3 RAS 18UKPX3 T2 Parts name Specifications Fan motor for indoor ICF 340 30 2 DC 340 V 30 W Thermo sensor TA sensor 10 at 25 DC DC transformer T01 SWT 58A DC 390 V Secondary DC 15 V 12V 7 V Microcontroller TMP87CM40AN Heat exchanger sensor TC sensor Line filter 101 SS11V R07190 19 mH AC 0 7 A Diode 1 D3SBA60 4 A 600 V Capacitor C02 KMH450VNSN120M25S 120uF 450 V Fuse F01 TSCR T6 3 A 250 V 10 at 25 C Relay for outdoor fan motor solenoid coil RYO4 Power supply IC 01 8920 5 A 900 V Varistor R21 R22 15G561K 560 V AJQ1341 Coil DC 12 V 33 mA Rated 1 A AC 250 V Resistor R01 RF 5TK4R7 4 7 Q 5 W Louver motor MP35EA12 Output Rated 2 W 10 poles 1 phase DC 12V 17 FILE NO SVM 04008 4 5 Outdoor Unit RAS 24UA E3 RAS 24UAX3 RAS 24UAX3 T Parts name Compressor 2JS386D5BB02 Specifications Output Rated 2200 W 2 poles 1 phase 220 240 50 Hz Winding resistance Q at 20 C C R C S 0 886 1 97
12. COLOR IDENTIFICATION FILE NO SVM 04008 BRW BROWN 4 A FAN MOTOR RED RED LOUVER Darl s WHI WHITE 5 YEL YELLOW MOTOR i i BLU BLUE 1 BLK BLACK j GRY GRAY PNK PINK aas ORN ORANGE GRN amp YEL GREEN amp YELLOW GRN GREEN 990 3 1 R2 CN 10 d BLK R09 NUM TOW 1204 15601 VARISTOR DSA J L T6 3A 250 V 7 p EROR FOT EUSE Z Lr TC01 e DC15V R21 44 4 8 oDC12V BLK 4 oDC7V WHI E RED 7 o aL MAIN P C BOARD 821 n 006 i 1202 2 y IC GRN amp YEL ane ME cmi I HEAT I EXCHANGER I SENSOR INFRARED RAYS RECEIVE TC I AND INDICATION PARTS l 1 1 1 INDOOR INDOOR TERMINAL 0 UNIT BLOCK n POWER SUPPLY GUTDDOH 220 240 V 50Hz i UNIT OUTDOOR i TERMINAL 9 a 1 BLOCK GRN amp YEL BLK AED BLK i GRN amp YEL BLK RED RED CHASSIS
13. e 2 1000 009 uoisueuuip uonejeisu Ove V8IHSO L 069 jououe org 82 10J s lou 8 21 2 009 AAA 9104 81 2 LO y N ee e 06 009 7 021 FILE NO SVM 04008 2 3 Outdoor Unit RAS 18UAH E3 829 905 _ ts eta b vre 09 os 061 5 H gd seg m of 6692 lioq epis pinbi1 SUR W
14. 20A Power cord e Wrong wiring connection may cause some electrical parts burn out Be sure to comply with local codes on running the wire from indoor unit to outdoor unit size of wire and wiring method etc N Every wire must be connected firmly E 4 mm HO7RN F or 245 IEC66 or 3 5 mm AWG 12 8 5 4 Wiring connection 1 Remove the valve cover from the outdoor unit 2 Connect the connecting cable to the terminal as identified with their respective matched numbers on the terminal block of indoor and outdoor unit 3 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 NOTE Connecting cable prevent water coming in the outdoor unit e Wire type More than 1 5 mm HO7RN F or 4 Insulate the unused cords conductors from any 245 IEC66 or 1 3 mm AWG 16 water coming in the outdoor unit Proceed them so that they do not touch any electrical or metal parts 49 8 6 How to Set Remote Control Selector Switch When two indoor units as installed in seperated rooms there is no need to change the selector switch lt Remote control selector switch gt 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
15. 47121 GRN amp YEL 9t com ce ee 12434 50647 8900 6 i zaam 5 1 2137475161781971 25 4 VES A ASAGA T8 9 AU SENSOR EXCHANGER INFRARED RAYS RECEIVE TA SENSOR AND INDICATION PARTS TA 1 1 l I Me pu MEE KA ss 1 1 1 1 1 INDOOR TERMINAL INDOOR BLOCK i i UNIT SS E c ee POWER SUPPLY 220 240 50 Hz 220 50 Hz FOR RAS 24UAX3 T MODEL ONLY i o ql OUTDOOR TERMINAL N 2 OQ BLOCK GRN amp YEL BLK RED PS CHASSIS RED BLK iE BLK GRY RED TD NEUE WH Z RED CAPACITOR RED yd BLK n asas ME WH FAN MOTOR 3 L2 4 T2 PNK OOQ 9 7 e 2 1 i um EU 5 3 673 COMPRESSOR COMPRESSOR TERMINAL MAGNETIC CONTACTOR 12 FILE NO SVM 04008 3 4 RAS 18UKP E3 RAS 18UA E3 RAS 18UKPX3 RAS 18UAX3 COLOR IDENTIFICATION 4 COMPRESSOR TERMINAL 13 BRW BROWN FAN
16. 220 V 0 3 0 3 11 2 11 28 0 3 10 5 0 3 10 8 0 3 10 50 0 3 10 8 0 3 10 9 0 3 10 8 0 3 10 50 Starting current A 60 67 67 67 48 Moisture removal lit h 2 5 Indoor H M L dB 45 41 37 Noise Outdoor 220 240 V dB 56 57 of refrigerant R22 Refrigerant Rated amount kg 1 80 Refrigerant control Capillary tube Gas side size Connection type 215 88 Flare connection Liquid side size Interconnection Connection type 06 35 Flare connection Maximum length One way pipe 15 25 Maximum height difference INDOOR UNIT RAS 24UKHP E3 RAS 24UKP E3 RAS 24UKPX3 RAS 24UKP AR3 298 10 RAS 24UKPX3 T Dimensions 998 208 Net weight 12 Evaporator type Finned tube Indoor fan type Cross flow fan High fan 950 Air volume Medium fan 750 Low fan 600 Fan motor output 30 Air filter OUTDOOR UNIT RAS 24UAH E3 Honeycomb woven filter with PP frame RAS 24UA E3 RAS 24UAX3 RAS 24UA AR3 RAS 24UAX3 T 690 Dimensions 880 310 Net weight 58 Condenser type Finned tube Outdoor fan type Propeller fan Airflow volume 3380 3560 3380 3560 Fan motor output 65 Compressor PH310X3 4MM 2JS386D5BB02 2200 1800
17. Causes Impluse voltage was applied or the remove the P C board assembly from electric parts base Remove the connecting cables from the terminal block Remove the connector of the motor and turn on the power supply OPERATION lamp blinks once per second it is not neccessary to check steps 1 to 3 in the right next column Press START STOP button once to start the unit Do not set the mode to Fan Only or On Timer operation Shorten the line of the restart delay timer and start unit is blown Check power supply voltage 1 Between TP2 and TP3 of CN12 220 240 V AC Except 5 24 RAS 18UKPX3 T2 model 220 V AC For RAS 24UKPX3 T RAS 18UKPX3 T2 model Between and of C02 DC310 340 V Between C04 and output side of 09 DC15 V Between 12 V and GND Between 5 V and GND Check power supply voltage lt Heat pump model gt 1 Between CN31 and CN23 DC15 60 V lt Cooling only model gt 1 Between connector of Q33 and GND for relay coil DC12 V 2 Between 1 2 of terminal block for connecting cable Check whether or not all lamps OPERATION TIMER PRE DEF or FAN ONLY ECONO and AUTO are indicated for 3 seconds and they return to normal 3 seconds later 68 indoor fan motor short circuited The terminal block or the crossover cable is connected wrongly The capacitor C01 and C15 line filter 01 resistor RO1
18. 2 The POWER mode not be Dry Fan only operation FILE NO SVM 04008 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 C 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 temperature 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
19. 35uF Magnetic contactor CLK 26J 220 240 V 50 Hz 19 FILE NO SVM 04008 5 REFRIGERATION CYCLE DIAGRAM 5 1 RAS 24UKHP E3 RAS 24UAH E3 T Indoorunit __ Evaporator 1 Cooling f 1 0 39 as 049m 4 9 Connecting pipe Connecting pipe lt Crosstown _ O D 15 88 O D 6 35 mm Packed valve Packed valve m 215 88 26 35 a gt Gas container connection Reinstall etc dec ee Sat ee ee ee a dd ee ee es A Heating Coola 4 way valve i e 1 Capillary tube 0 8x500 s Y Cooling compressor PH310X3 4MM Accumulator Capillary tube 2 4x1400 5 Condenser Uc i Refrigerant Propeller fan R22 1 63 kg gt Cooling unit Mark means check points of Gas Leak 4 Heating Ambient temp Standard Surface temp of heat Fan speed conditions DB WB pressure exchanger interchanging indoor C MPaG C pip Indoor Outdoor Standard 0 4 43 0 High 20 7 6 Heating temperature 0 5 0 7 52 0 59 0 Low 27 24 18 Low temperature 1 0 3 36 0 High 20 10 10 Standard 0 4 11 0 High 27 19 35 24 Cooling High temperature 0 5 12 0 High 32 23 43 26 Low temperature 0 3 1 0 Low 21 15 21
20. How to use self cleaning function OSTART STCS self cleaning function is set from a factory To cancel this function should keep press the temporary switch for 20 secounds till can hear the long combination sound and repeat the same procedure when need to set m O O RESET CLOCK CHECK 69 FILE NO SVM 04008 9 8 3 P C Board layout 5 gt VH N lt n 123456189 2 Bottom View 70 FILE NO SVM 04008 9 9 Troubleshooting for Remote Control The unit does not beep at all OPERATION lamp on indoor unit is not indicated Press START STOP button Is transmission mark indicated Press RESET button on remote control Is receiver on with tip of pencil indoor unit exposed to direct sunlight Does indoor unit operate when moving remote control near receiver or indoor unit Press START STOP button YES Batteries are exhausted Is transmission mark indicated YES NO Does indoor unit beep and operate YES Remote control is defective Is there any thyristor fluorescent light nearby Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote control when a signal is transmitted at distance of 5 cm from radio P C board is defective Avoid direct Keep indoor unit Replace Replace N
21. Open fully the valve stem of the packed valves dr CAUTION UN both side of Gas and Liquid 7 Remove the charging hose from the service port KEEP IMPORTANT 4 POINTS FOR PIPING WORK 8 Securely tighten the caps on the packed valves 1 Take away dust and moisture Inside of the con necting pipes Compound pressure gauge Pressure gauge 2 Tight connection between pipes and unit 3 Evacuate the air in the connecting pipes using VACUUM PUMP 4 Check gas leak connected points Handle Lo O m Charge hose 4 Charge hose Connecting pipe Vacuum pump adapter for counter flow prevention Service port Valve core Setting pin Packed valve at liquid side Fig 8 5 6 48 CHARGE REFRIGERANT Refri gerant RAS 24UKHP E3 RAS 24 RAS 24UKP E3 RAS 24 UA E3 RAS 24UKPX3 RAS 24 UAX3 RAS 24UKP AR3 RAS 24 UA AR3 RAS 24UKPX3 T RAS 24UAX3 T RAS 18UKHP E3 RAS 18UAH E3 RAS 18UKP E3 RAS 18UA E3 RAS 18UKPX3 RAS 18UAX3 RAS 18UKP AR3 RAS 18UA AR3 RAS 18UKPX3 T2 RAS 18UAX3 T2 No need to charge extra refrigerant 15 less 15 less Need to charge extra refrigerant Over 15 m up to 25 m 20 g m Over 15 m up to 20 m 20 g m FILE NO SVM 04008 lt Stripping length of connecting cable gt Terminal block
22. Overload relay is defective Gas shortage Gas leak Supply gas FILE NO SVM 04008 lt Inspection procedure gt Colling model Turn on power supply Refer to item Power can not be turned on Does OPERATION lamp blink YES Is it possible to start unit by remote control YES Is it possible to detect AC 200V 1 2 between 2 and terminal block YES 15 crossover cable normal Gonnectrerossoyer cable properly YES Rewire or replace Are all of compressor cords normal defective cords YES 15 compressor motor winding normal is defecti Replace compressor Check winding resistor Compressors P YES 15 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 15 gas quantity normal Check gas pressure YES Compressor is defective YES Replace P C borad Gas shortage Gas leak Supply gas 64 lt Inspection 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 2 and on terminal block 15 crossover ca
23. RAS 24UKPX3 T RAS 24UAX3 T T _ Indoorunit __ Evaporator 1 Cooling 0 39 0 49 m osom O Connecting pipe lt _ gt V 7 O D 15 88 mm P O D 6 35 mm Packed valve Packed valve lt 215 88 26 35 gt Gas container connection Reinstall etc Capillary tube 2 0x6504 Dryer Condenser Refrigerant Propeller fan R22 1 80 kg d Cooling Outdoor unit Mark means check points of Gas Leak Ambient temp Standard Surface temp of heat Fan speed conditions DB WB pressure P exchanger interchanging indoor C MPaG pipe T C Indoor Outdoor Standard 0 4 11 0 High 27 19 35 24 Cooling High temperature 0 7 12 0 High 32 23 43 26 Low temperature 0 3 1 0 Low 21 15 21 15 Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor 23 5 5 RAS 18UKP E3 RAS 18UA E3 FILE NO SVM 04008 T ndoor unit Evaporator 1 0 39 m Es 0 49 m Connecting pipe i Connecting pipe 912 7 di 26 35 ross flow fan i lt PEO eat UM a gt OD 127mm O D 6 35 mm Packed valve Packed valve m 212 7 26 35 m Capillary tube 2
24. Safety device IOL Td Sensor IOL Louver type Automatic louver Usable outdoor temperature range 15 43 Capacity RAS 18UKHP E3 RAS 18UAH E3 RAS 18UKP E3 RAS 18UA E3 RAS 18UKPX3 5 180 FILE NO SVM 04008 RAS 18UKP AR3 RAS 18UA AR3 RAS 18UKPX3 T2 RAS 18UAX3 T2 Cooling 240 V Heating 220 V 240 V Cooling 240 V Cooling 220V Cooling Cooling 220V 5 05 5 80 5 90 5 25 5 20 5 15 220 240 220 50 Power consumption 2040 1800 1950 1910 1990 1910 1990 1560 Power factor 88 94 86 92 85 92 85 98 Running current Indoor Outdoor 240 V 220 V 240 V 220V 240V 220V 240 V 220V 0 2 9 5 0 2 8 5 0 2 9 3 0 2 9 25 0 2 9 50 0 2 9 25 0 2 9 50 0 2 6 94 Starting current A 40 35 Moisture removal lit h 2 Indoor H M L dB Noise 42 39 35 Outdoor 220 240 V dB 51 52 Name of refrigerant R22 Refrigerant Rated amount kg 1 05 Refrigerant control Capillary tube Gas side size Connection type 212 7 Flare connection Liquid side size Interconnection Connection type 26 35 Flare connection Maximum length One way pipe 15 20 Maximum height difference INDOO
25. Timer 1 i 1 1 Power Supply Circuit Outdoor unit Louver ON OFF Signal Remote ON OFF Signal Control 1 I Y 1 From Outdoor Unit 220 240 V AC 50 Hz Except RAS 24UKPX3 T RAS 24UAX3 T Relay RY04 Outdoor Unit RAS 18UKPX3 T2 RAS 18UAX3 T2 model 220 V AC 50 Hz For RAS 24UKPX3 T RAS 24UAX3 T RAS 18UKPX3 T2 RAS 18UAX3 T2 model REMOTE CONTROL Infrared Rays Remote Control Operation START STOP Operation Mode Selection AUTO COOL DRY FAN ONLY Temperature Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver Auto Swing Louver Direction Setting ECO Hi power Filter Reset N FILE NO SVM 04008 7 OPERATION DESCRIPTION 7 1 Outline of Air Conditioner Control This is a fixed capacity type air conditioner which uses a DC motor for an indoor fan The DC motor drive circuit is mounted in the indoor unit And electrical parts which operate the compressor and the outdoor fan motor are mounted in the outdoor unit The air conditioner is mainly controlled by the indoor unit controller The controller operates the indoor fan motor based upon commands transmitted by the remote control and transfers the operation commands to the outdoor unit controller The outdoor unit controller receives operation commands from the indoor unit and operates the outdoor f
26. indoor unit in except heating operation At this time is it possible to detect DC 1 V or more between 5 30 of motor connector CN10 Check this condition within 15 seconds after starting unit Fan motor operates normally 61 Replace main board Replace bearing FILE NO SVM 04008 9 6 3 Indoor fan motor automatically starts to rotate by turning on power supply lt Cause gt The IC is built in the indoor fan motor Therefore the P C board is also mounted to the inside of the motor If the P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply lt Inspection procedure gt 1 Remove the front panel Remove 4 screws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN10 connector while the fan motor is rotating NOTE e Do not disconnect the connector while the fan motor is rotating e Use a thin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board Pa board 6 Measure voltage between 2 GND BLACK 5 Yellow and V line YELLOW of motor connector CN10 while indoor fan motor is rotating 4 White 3 Black 2 1 Red DC 1 0 V or more Under DC 1 0 V P C board is defective Motor is defective Replace P C board Replace motor 62 FILE NO SVM
27. 15 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 20 FILE SVM 04008 5 2 RAS 18UKHP E3 RAS 18UAH E3 lndoorunit Evaporator 1 Cooling i 0 49 m j 0 39 m Connecting pipe Connecting pipe 12 7 06 35 WE O D 127mm P O D 6 35 mm Packed valve Packed valve lt 212 7 26 35 Gas container connection Reinstall etc A Heating Cooling 4 way valve Capillary tube 20 8x500 dain Capillary tube 1 2x1500 f Capillary tube 2 0x1200 3 Condenser oes lt pe Refrigerant Propeller fan R22 1 29 kg E gt Cooling Outdoor unit Mark means check points of Gas Leak 4 Heating Ambient temp Standard Surface temp of heat Fan speed conditions DB WB pressure P exchanger interchanging indoor C MPaG i MPaG pipe T C Indoor Outdoor Standard 0 4 45 0 High 20 7 6 Heating temperature 1 0 5 0 6 49 0 58 0 Low 27 24 18 Low temperature 0 3 34 0 High 20 10 10 Standard 0 4 10 0 High 27 19 35 24 Cooling High temperature 0 5 15 0 High 32 23 43 26 Low temperature 0 3 1 0 Low 21 15 21 15
28. MOTOR RED RED LOUVER weg WHI WHITE AL 23 YEL YELLOW MOTOR f BLU BLUE 1 BLK BLACK GRY GRAY PNK PINK pode 4 ORN ORANGE GRN amp YEL GREEN amp YELLOW GRN GREEN _ R2 EC BLK P04 N gt 04 15601 VARISTOR DSA y e i T6 3A 250 V ie R01 m OVO t y 1 DRE Z Lu e DC15V R21 2 8 4 oDC12V BLK 8 WHI DC7V E MAIN P C BOARD SCMV MCC 821 C06 1602 2 y IC J IC01 CN13 GRN amp YEL TS 1 1 and y t i THERMOM HEAT l 25 SENSOR EXCHANGER is SENSOR l INFRARED RAYS RECEIVE TC l AND INDICATION PARTS 1 1 1 1 1 1 1 1 INDOOR TERMINAL e UNIT OP BLOCK z a 3 UL D TT UA WT me yr e POWER SUPPLY TDOOR 220 240 V 50 Hz NEE po So oT L N D 1 2 BLOCK A GRN amp YEL BLK i BLK RED BLK GRN amp YEL BLK RED RED SPARK KILLER GRY 8 5 1 L or A MAGNETIC A2 P or B WO B CAPACITOR CAPACITOR RED T RED UN H C G A 2 dE Pam S WHI 7 N WHI REDj j BLK NO Pi EUM FAN MOTOR 3 5 RAS 18UKP AR3 RAS 18UA AR3
29. Unit RAS 24UA AR3 4 7 Outdoor Unit RAS 18UAX3 RAS 18UA E3 4 8 Outdoor Unit RAS 18UA AR3 4 9 Outdoor Unit RAS 18UAX3 T2 REFRIGERATION CYCLE DIAGRAM 5 1 RAS 24UKHP E3 RAS 24UAH E3 5 2 RAS 18UKHP E3 RAS 18UAH E3 5 3 RAS 24UKP E3 RAS 24UA E3 5 4 RAS 24UKPX3 RAS 24UAX3 RAS 24UKPX3 T RAS 24UAX3 T 5 5 RAS 18UKP E3 RAS 18UA E3 5 6 RAS 18UKPX3 RAS 18UAX3 5 7 RAS 18UKP AR3 RAS 18UA AR3 5 8 RAS 18UKPX3 T2 RAS 18UAX3 T2 CONTROL BLOCK DIAGRAM 6 1 RAS 24UKHP E3 RAS 18UKHP E3 6 2 RAS 18UKP E3 RAS 18UA E3 RAS 18UKPX3 RAS 18UAX3 RAS 18UKP AR3 RAS 18UA AR3 RAS 18UKPX3 T2 RAS 18UAX3 T2 RAS 24UKP E3 RAS 24UA E3 RAS 24UKPX3 RAS 24UAX3 RAS 24UKP AR3 RAS 24UA AR3 RAS 24UKPX3 T RAS 24UAX3 T 10 11 FILE NO SVM 04008 1 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 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 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 Fau
30. assembly 5 Remove the screw for the earth and pull the electrical part base toward you to remove it from the main unit 6 Pull out the TC sensor from the sensor holder 2 screws 6 TC sensor When assembling the electrical parts assembly make the connecting cable U shaped and put it in the drain pan Part Horizontal grille Procedures 1 Remove center 2 shafts of the horizontal grille from the back body 2 Remove left shaft of the horizontal grille from the back body 3 Remove the horizontal grille from the back body FILE NO SVM 04008 Remarks 1 Center shafts 2 Left shafts Heat exchanger 1 Remove the front panel electrical parts assembly and the horizontal grille with procedure and 2 Remove the screw on the rear side of the main unit to remove the pipe holder 3 Remove 2 screws fixing the heat exchanger and the bearing base 4 Remove 2 screws fixing the heat exchanger fixtures upper and lower and the back body then pull out the upper side of the heat exchanger slowly Pipe holder 3 2 screws Cross flow fan 1 Remove the front panel electrical parts assembly horizontal grille and the heat exchanger with procedure 2 2 Loosen the set screw of the cross flow fan 3 Remove 2 screws fixing the bearing base and the back body 4 Pull the cross flow fan toward you When assembling the cross flow fan fix it with the set screw at the posi
31. is defective Replace P C board Discharge temp error Heat pump model 5 Is protective controller such as discharge thermostat normal Are wires connected NO Connect wires to to connector properly connector properly Is charged amount Check and modify charged of refrigerant normal amount of refrigerant YES Is overload relay normal Unit operates normally NO Is TD sensor resistance value 50 kQ at 25 C normal Replace TD sensor Outdoor P C board is defective Replace board 59 FILE SVM 04008 9 6 Troubleshooting for Indoor unit 9 6 1 Power can not be turned on The unit does not operate at all lt Primary check gt 1 Is the supply 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 15 the fuse 01 blown Operation Check item Conceivable principle cause Measure Turn off power supply once and 5 second later turn it on again NO Is OPERATION lamp blinking YES Item by symptoms Does transmission mark on remote control Is it possible to turn on power supply by pressing START STOP button on remote control YES flash normally and is its signal transmitted properly YES Remote control is defective Refer to 9 9 Troubleshooting for Remote Control
32. screws 24 101 3 Disconnect the lead wires from the terminal Spark killer 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 24 x 101 3 Disconnect the lead wires from the terminal 76 Running capacitor for compressor Running capacitor for fan motor Spark killer Relay or Magnetic contactor FILE NO SVM 04008 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy Location Description Location Description No 43 60002 Terminal Block 43169376 Board Assy RAS 24UKP E3 43150004 Sensor Heat Exchanger RAS 24UKPX3 RAS 24UKP AR3 RAS 24UKPX3 T 43 69005 Sensor Thermostat 43769377 P C Board Assy RAS 18UKHP E3 43169066 Board Assy WRS LED 43769378 Board Assy RAS 18UKP E3 MCC 819 RAS 18UKPX3 RAS 18UKP AR3 43 69375 Board ASSY 43 69381 P C Board Assy RAS 18UKPX3 T2 RAS 24UKHP E3 43T62003 Clamp Cord up 11 2 Indoor Unit Location No 43T00048 43T00049 43T00050 43T80306 43 80304 43 80003 43 01004 43 03010 43 03011 43 03012 43 09317 43 70301 43 21302 43 44310 43 44311 43 47311 43 47016 43 47316 43 49010 43 19003 43 49009 43 49036 43 49039 43 49038 43 49037 43 79007 43139016 43160075 43121327 43120014 220 219 213 Description Front Panel ASSY Grille ASSY For Hea
33. the air purge together at once 26 35 mm 16 to 18 1 6 to 1 8 kgf m AIR PURGE 12 70 mm 50 to 62 5 0 to 6 2 kgf m Evacuate the air in the connecting pipes and the 215 88 mm 65 to 80 6 5 to 8 0 kgf m indoor unit using a vacuum pump Do not use the refrigerant in the outdoor unit For details see the e Tightening torque of flare pipe connections manual of the vacuum pump Flare at indoor unit side lt Using a vacuum pump gt Be sure to use a vacuum pump with counter flow prevention function so that inside oil of the pump does not flow backward into pipes of the air conditioner when the pump stops 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve c 2 Connect the charge hose to the port of vacuum pump Fig 8 5 4 3 Open fully the low pressure side handle of the gauge manifold valve marais TD 4 Operate the vacuum pump to start for evacuating Half union Flare nut Perform evacuating for about 15 minutes if the Externally Internally piping length is 20 meters 15 minutes for threaded side gt 42 threaded side 20 meters assuming a pump capacity of 27 liters per minute Then confirm that the compound Use a wrench to secure Use a torque wrench to tighten pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure side valve handle of gauge Fig 8 5 5 manifold 6
34. 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 Turn the circuit breaker of the main power switch off before setting the selector switch 2 Remove the Air inlet grille and Front panel Refer to page 74 10 1 3 Select the terminal of selector switch from A position to B position Slector switch FILE NO SVM 04008 2 Set the remote control selector switch with the remote control 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 A Load the remote control with the batteries N T 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 B is indicted at the right of the present temperature display To reset the switch to the A setting press the MODE button again while pressing the CHECK button AMG MODE button CHECK button Fig 8 6 2 3 Confirm that the indoor unit can operate with the new setting 50 FILE S
35. 04008 9 6 4 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 Inspection procedure gt Cooling only model Turn on power supply Does OPERATION lamp blink Refer to 9 6 1 Power can not be turned Thermo sensor or heat exchanger sensor is defective 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 Replace thermo sensor or heat exchanger sensor Replace P C board Rewire or replace defective cords Compressor is defective Replace compressor Replace capacitor Replace overload relay Compressor is defective Replace compressor Microcontroller is defective 15 it possible to detect AC 220 240 V between 2 on the terminal block Are all of compressor cords normal YES 15 compressor motor winding normal Check winding resistor YES 15 capacitor for compressor normal YES 15 overload relay normal YES Does compressor start YES Does compressor stop after a while YES 15 gas quantity normal Check gas pressure YES Compressor is defective YES Replace Compressor 63 Miniature relay RY04 is defective Capacitor is defective
36. 1 Filter frame x 2 Mounting screw 24 x 25 2x8 gt o 8 Pan head wood screw Battery x 2 Zeolite filter x 2 O3 1x162x2 Others Name Owner s manual Installation manual This model is not equipped with an extension drain hose Option Drain nipple 1 For Heat pump model only The par marked with asterisk is packaged with the outdoor unit For the extension drain hose use an optionally available RB 821SW or commercially available one 41 FILE NO SVM 04008 8 4 Indoor Unit 8 4 2 Cutting a hole and mounting installation plate 8 4 1 Installation place Cutting a hole place which provides the spaces around the indoor unit as shown in the above diagram When installing the refrigerant pipes from the rear place where there is no obstacle near the air inlet and outlet o o A place that allows easy installation of the piping to the outdoor unit A place which allows the front panel to be opened IDIR Direct sunlight to the indoor units wireless DERE receiver should be avoided The microprocessor in the indoor unit should not be too close to RF noise sources The center of the pipe For details see the owner s manual hole is above 1h arrow x o gt 100mm o Remote control gt Fig 8 4 2 place where there are no obstacles such a
37. 2 0 700 0 Compressor 2JS350D5DA02 Dryer Condenser Refrigerant Propeller fan R22 1 05 kg Outdoor unit Mark means check points of Gas Leak Standard pressure MPaG Surface temp of heat exchanger interchanging pipe T C Ambient temp conditions DB WB C Outdoor Fan speed indoor Indoor Standard 0 4 10 0 High 27 19 35 24 0 5 Cooling High temperature 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 24 FILE SVM 04008 5 6 RAS 18UKPX3 RAS 18UAX3 ____ _____ Evaporator 1 0 39 m 0 49 Connecting pipe i Connecting pipe 12 7 6 35 Cross flow fan V 2 ONE AMO NER DE 0 D 12 7 mm Packed valve Packed valve 212 7 26 35 a gt Capillary tube l 2 0x700 3 Dryer Refrigerant Propeller fan R22 1 05 kg 3 Outdoor unit Mark means check points of Gas Leak Ambient temp Standard Surface temp of heat speed Conditions DB WB pressure exchanger interchanging indoor C MPaG T C MPaG pipe T C Indoor Outdoor Standard 0 4 11 0 High 27 19
38. 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 25 FILE NO SVM 04008 5 7 RAS 18UKP AR3 RAS 18UA AR3 Indoorunit Evaporator 1 0 39 via 0 49 Connecting pipe i Connecting pipe 2712 7 26 35 Cross flow fan ee gt y OD 127mm 10 D 6 35 mm Packed valve Packed valve lt 212 7 26 35 a gt Accumulator lt Capillary tube 22 0 1000 C S Capilla tube ha 2 D5DA02 ompressor 2JS350D5DA0 2 0 8 900 7 We Condenser Dryer Refrigerant Propeller fan R22 1 17 kg Outdoor unit Mark means check points of Gas Leak Ambient temp Standard Surface temp of heat speed conditions DB WB pressure P exchanger interchanging indoor C MPaG T C MPaG pipe T C Indoor Outdoor Standard 0 4 10 0 High 27 19 35 24 Cooling High temperature 0 6 13 0 High 32 23 52 31 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 26 FILE SVM 04008 5 8 RAS 18UKPX3 T2 RAS 18UAX3 T2
39. 6 1 FILE NO SVM 04008 8 INSTALLATION PROCEDURE 8 1 Safety Cautions For general public use Power supply cord of Outdoor unit shall be more than 4 mm HO7RN 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 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 PLA
40. 9 Fan motor for outdoor KFG6 71SB5P T Output Rated 65 W 6 poles 1 phase 220 240V 50 Hz Winding resistance Q at 20 C Red Black White Black 64 4 127 4 Running capacitor for fan motor 451355KQ AC 450 V 3 5uF Running capacitor for compressor DS441606CPNE AC 440 V 60uF Magnetic contactor CLK 35J 4 6 Outdoor Unit RAS 24UA AR3 Parts name Compressor 2JS386D5BB02 220 240 V 50 Hz Specifications Output Rated 2200 W 2 poles 1 phase 220 240 50 Hz Winding resistance Q at 20 C C R C S 0 886 1 979 Fan motor for outdoor 230 65 Output Rated 65 W 6 poles 1 phase 220 240 50 Hz Winding resistance Q at 20 C Red Black White Black 71 2 139 0 Running capacitor for fan motor 451355KQ 450 V 3 5uF Running capacitor for compressor SK42CMP60U1 S AC 420 V Magnetic contactor CLK 35J 220 240V 50 Hz 4 7 Outdoor Unit RAS 18UAX3 RAS 18UA E3 Parts name Compressor 2JS350D5DA02 Specifications Output Rated 1500 W 2 poles 1 phase 220 240 V 50 Hz Winding resistance Q at 20 C C R 5 0 981 2 845 Fan motor for outdoor HF 240 42B 1 Output Rated 42 W 6 poles 1 phase 220 240 V 50 Hz Winding resistance Q at 20 C Red Black White Blac
41. CE AGAIN BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT R410A WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CYCLE BECOMES ABNORMALLY HIGH AND IT RESULTINGLY CAUSES BURST OF THE PIPE AND INJURIES ON PERSONS IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED BY FIRE OR SOMETHING ELSE IT CAUSES GENERATION OF POISONOUS GAS WARNING Never modify this unit by removing any of the safety guards or bypassing any of the safety interlock switches Do not install in a place which cannot bear the weight of the unit Personal injury and property damage can result if the unit falls Before doing the electrical work attach an approved plug to the power supply cord Also make sure the equipment is properly earthed Appliance shall be installed in accordance with national wiring regulations If you detect any damage do not install the unit Contact your TOSHIBA dealer immediately Exposure of unit to water or other moisture before installation could result in electric shock Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully for possible damage Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level o
42. D Green on NO outdoor P C board blink 08 Four way valve error Heat pump model Does four way valve operate properly YES Indoor P C board is defective Does coil terminal have 220 240 V in heating operation Are circuit wires normal YES Is outdoor P C board normal YES Four way valve is defective CN11 220 240 V Indoor P C board Replace is defective P C board Is TC sensor resistance value 10 at 25 C normal Replace TC sensor 56 FILE SVM 04008 09 Other cycle error 1 Heat pump model Does compressor operate YES YE Does inner Check charged amount of refrigerant Is compressor overload relay Check defective overload turned off shortly in compressor Check compressor NO operate Failure Wiring check modification normal YES Is outdoor P C Outdoor P C board Replace board normal is defective P C board Connect TC Indoor P C board Replace sensor properly is defective P C board YES 09 Other cycle error 2 Is TC sensor resistance value 10 at 25 C normal NO Is TC sensor disconnected from the sensing element YES Does indoor fan operate YES Are filters clogged Clean filters NO Connect Is connector connected properly YES connector properly Is TC sensor Em resi
43. FILE NO SVM 04008 1 TOSHIBA SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS 24UKHP E3 RAS 24UAH E3 RAS 18UKHP E3 RAS 18UAH E3 RAS 24UKP E3 RAS 24UA E3 RAS 18UKP E3 RAS 18UA E3 RAS 24UKP AR3 RAS 24UA AR3 RAS 18UKP AR3 RAS 18UA AR3 RAS 24UKPX3 RAS 24UAX3 RAS 18UKPX3 RAS 18UAX3 RAS 24UKPX3 T RAS 24UAX3 T RAS 18UKPX3 T2 RAS 18UAX3 T2 1 24 Class 18 Class 18 Class Heat pump model Cooling only model June 2004 FILE SVM 04008 CONTENTS SPECIFICATIONS CONSTRUCTION VIEWS 2 1 Indoor Unit 2 2 Outdoor Unit RAS 24UAH E3 RAS 24UA E3 RAS 24UAX3 RAS 24UA AR3 RAS 24UAX3 T RAS 18UAX3 T2 2 3 Outdoor Unit RAS 18UAH E3 2 4 Outdoor Unit RAS 18UA E3 RAS 18UAX3 RAS 18UA AR3 WIRING DIAGRAM 3 1 RAS 24UKHP E3 RAS 24UAH E3 3 2 RAS 18UKHP E3 RAS 18UAH E3 3 3 RAS 24UKP E3 RAS 24UA E3 RAS 24UKP AR3 RAS 24UA AR3 RAS 24UKPX3 RAS 24UAX3 RAS 24UKPX3 T RAS 24UAX3 T 3 4 RAS 18UKP E3 RAS 18UA E3 RAS 18UKPX3 RAS 18UAX3 3 5 RAS 18UKP AR3 RAS 18UA AR3 3 6 RAS 18UKPX3 T2 RAS 18UAX3 T2 SPECIFICATION OF ELECTRICAL PARTS 4 1 Indoor Unit RAS 24UKHP E3 RAS 18UKHP E3 4 2 Outdoor Unit RAS 24UAH E3 4 3 Outdoor Unit RAS 18UAH E3 4 4 Indoor Unit RAS 24UKP E3 RAS 24UKPX3 RAS 24UKP AR3 RAS 24UKPX3 T RAS 18UKP E3 RAS 18UKPX3 RAS 18UKP AR3 RAS 18UKPX3 T2 4 5 Outdoor Unit RAS 24UA E3 RAS 24UAX3 RAS 24UAX3 T 4 6 Outdoor
44. Iw SPARK KILLER GRY at Lora MAGNETIC d i CONTACTOR 1 RED B RED AN P ap VO T PNK pik 4 s REDi J ps FAN MOTOR COMPRESSOR COMPRESSOR TERMINAL 14 FILE NO SVM 04008 3 6 RAS 18UKPX3 T2 RAS 18UAX3 T2 COLOR IDENTIFICATION RED RED FAN MOTOR RED RED N WHI WHITE LOUVER E p YEL YELLOW MOTOR BLU BLUE oc oro BLK BLACK i GRY GRAY PINK ORN ORANGE GRN amp YEL GREEN amp YELLOW GRN GREEN BLK R22 Rog i e lumi 1204 P04 5501 VARISTOR Xt d PSA T63A 250 V R01 0801 La MA ET F01 F SE T 100077 T fem ce Is oDC15V C02 8 E ae 4 4 oDC12V BLK CN30 8 oe WHI CN31 RED CN27 7 S gt MAIN BOARD DC0V 821 06 11002 c 9 Cot i ree Ae a E CN13 CN03 CN01 GRN amp YEL 7 1 x i e 2 3 HEAT INFRARED RAYS RECEIVE TR SENSOR I EXCHANGER AND INDICATION PARTS TA TC 1 l 1
45. M8IHSOL 104 012 805 104 0 9 uey 100pino 404 s lou 92 8 5 H T 1 jenno 018 80 10 IJ JO QOL B P ANY 40 009 Tp d JO QOL ok 009 Z uoisueuuip 5 021 amp _009 Buiweiq Ied 9 FILE NO SVM 04008 2 4 Outdoor Unit RAS 18UA E3 RAS 18UAX3 RAS 18UA AR3 uod 210 apis sey 66 9 epis pinbr sued ou 93 OLD 82 10 EN NS Jy X X JO 001 do 5 09 2 Y wo N jejut av lt JO 0095 5 1 JO 001 009 uoisueuuip 10 3 04 92 8 V8IHSOL 0270 ugy eju VIXLIS p 11620 3 606 444 J O 9 OcL 864 0
46. NAL INDOOR _ 2 BLOCK j UNIT MAIN BOARD 890 X TRANSFORMER 1 OUTDOOR C ao Bika POWER SUPPLY UNIT bt CNO6 DISCHARGE 220 240V 50Hz SENSSE RED Ly BLU OUTDOOR 1 1 RED 06 CN05 CN07 5 iM mw 2 m FERRITE CORE GRNGVEL m 8001 ma 77 EE 8 7 BLK 7o NO 4 BLK GRN amp YEL e 250 T6 3A TNR 873 5 4 E BLK RED EM GRY 57 EXCHANGER SENSOR TE RYO7 MAGNETIC CONTACTOR E BLUE f o_o 4 l CN11 A VEL 312 5 13 CRI1 620 0 11 4 72 6 13 pn I 9225 1 S LO ie T F CR12 COIL FOR i 4 WAY VALVE cris RY06 CAPACITOR CAPACITOR 4 o TD RD I dp dp Be eS Poe Ss wu 9 e PNK Ad BLK d BLK BLK f 7 7 N COMPRESSOR TERMINAL Nee COMPRESSOR FAN MOTOR 10 3 2 RAS 18UKHP E3 RAS 18UAH E3 COLOR IDENTIFICATION FILE NO SVM 04008
47. ORARY button for more than three seconds TEMPORARY button 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 The lamp changes from and continues to operate 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 e While this function is being set if the unit is in 7 8 Filter Check Lamp operation the orange lamp is on When the elapsed time reaches 1000 hours the filter 7 7 3 Power failure during timer operation 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 sta
48. PILLARY TUBE 2 0DIA 45 CAPILLARY TUBE 0 8DIA Description Protector Cord Protector Cord Rubber Cushion Motor Fan AC220 240 V 50 Hz Fan Propeller 491 Bushing Bushing Cord Cover E Parts Switch Magnet AC 220 240 V 50Hz MF Capacitor 35uF 370V MF Capacitor 3 5uF 450V Clip Cable Nut Flange Spark Killer Capillary Tube 0 8 DIA Location No 43005144 43005143 43T42306 43T00378 43719314 43719005 43762007 43020302 43721335 43747001 43763004 43796001 43743348 Outdoor Unit RAS 18UA E3 RAS 18UAX3 Location D iption escriptio Mo Cabinet Front Cabinet Side Base Plate Packed Valve Guard Fan Handle Cover E Parts Fan Propeller Motor Fan AC 220 240 V 50 Hz Nut Flange Clamp Lead Wire Bushing Condenser Assembly 84 20 CAPILLARY TUBE 2 001 43T46311 43747020 43746019 43747018 43747013 43749309 43755316 43755318 43760324 43741341 43752302 43733002 FILE NO SVM 04008 1 Description Valve Packed 6 35 Dia Bonnet 6 35 Dia Valve Packed 12 7 Dia Bonnet 12 7 Dia Capillary Tube 2 0 Dia Rubber Cushion MF Capacitor 45uF 370 V MF Capacitor 2uF 450 V Terminal Block 6P Compressor 2JS350D5DA02 Magnetic Contactor Spark Killer 11 9 Outdoor Unit RAS 18UA AR3 43005144 43005143 43742306 43700378 43719314 43719005 43762007 43020302 43721339 43747001 43796001 43043618 43746311
49. R UNIT RAS 18UKHP E3 RAS 18UKP E3 RAS 18UKPX3 RAS 18UKP AR3 RAS 18UKPX3 T2 298 8 Dimensions 998 208 Net weight 12 Evaporator type Finned tube Indoor fan type Cross flow fan High fan 750 Air volume Medium fan 650 Low fan 530 Fan motor output 30 Air filter OUTDOOR UNIT Height RAS 18UAH E3 Honeycomb woven filter with PP frame RAS 18UAX3 RAS 18UA AR3 RAS 18UAX3 T2 RAS 18UA E3 Dimensions Width Depth Net weight 46 Condenser type Finned tube Outdoor fan type Propeller fan Airflow volume 2105 2310 1830 2010 3380 Fan motor output 65 42 65 Compressor PH250X3 4LM 2JS350D5DA02 PH210T2 4L7 15 1700 1500 Safety device IOL Td Sensor IOL Louver type Automatic louver Usable outdoor temperature range 15 43 Note 1 Capacity is based on the following temperature conditions Condition Temperature Indoor unit inlet air temperature FILE NO SVM 04008 JIS C9612 1994 Cooling Heating Outdoor unit inlet air temperature Note 2 Charge refrigerant according to the table below Refrigerant RAS 24UKHP E3 RAS 24UAH E3 RAS 24UKP E3 RAS 24UA E3 RAS 24UKPX3 RAS 24UAX3 RAS 24UKP AR3 RAS 24UA AR3 RAS 24UKPX3 T RAS 24UAX3 T RAS 18UKHP E3 RAS 18UAH E3 RA
50. RAS 18UAH E3 Location No 43005144 43T00005 43T00004 43 42305 43T00011 43T19314 43T19005 43T62301 43020302 43 21333 43 47001 43796001 43043609 43746311 43747020 43746019 43747018 43747309 Description Cabinet Front Cabinet Back Cabinet Side Base Plate Packed Valve Guard Fan Handle Cover E Parts Fan Propeller Motor Fan AC 220 240 V 50 Hz Nut Flange Bushing Condenser Assembly Valve Packed 6 35 Dia Bonnet 6 35 Dia Valve Packed 12 7 Dia Bonnet 12 7 Dia Capillary Tube 0 8 Dia 15 16 FILE NO SVM 04008 17 18 8 19 CAPILLARY TUBE 0 8DIA 20 CAPILLARY TUBE 1 2DIA 37 CAPILLARY TUBE 2 0DIA Location No 43747007 43749008 43755316 43755318 43760324 43741800 43752302 43746319 43746310 43769059 43769060 43779305 43758301 43769336 43743316 43747013 43760325 Description Capillary Tube 1 2 Dia Cushion Rubber MF Capacitor 45uF 370V MF Capacitor 2uF 450V Terminal Block 6P Compressor PH250X3 4LM Magnetic Contactor Valve 4way Coil V 4way AC 220 240 V VHV Sensor Sensor TD Nipple Drain Transformer TT 05 PC Board Assembly Sab Condenser Assembly Capillary Tube 2 0 Dia Filter Clamp FILE SVM 04008 11 5 Outdoor Unit RAS 24UA E3 RAS 24UAX3 RAS 24UAX3 T x S 9 11 13 1214 15 CAPILLARY TUBE 2 0DIA Location ene Location Descriptio
51. S 18UKP E3 RAS 18UA E3 RAS 18UKPX3 RAS 18UAX3 RAS 18UKP AR3 RAS 18UA AR3 RAS 18UKPX3 T2 RAS 18UAX3 T2 No need to charge extra refrigerant 15 less 15 less extra refrigerant Over 15 m up to 25 m 30 g m Over 15 m up to 20 m 20 g m 2 1 Indoor Unit 2 CONSTRUCTION VIEWS FILE NO SVM 04008 I T I 208 Front panel 998 Grille inlet N S LO 2 2 151 Knock out system Ls Knock out system 50 18
52. VM 04008 8 7 Others 8 7 3 Auto restart setting 8 7 1 Gas leak test This product is designed so that after a power failure it can restart automatically in the same operating mode Electric partS covet as before the power failure Qe iii N information ul The product was shipped with Auto Restart function in the off position Turn it on as required Valve stem cap Flare nut connections connection lt How to set the auto restart gt Outdoor unit A e Press and hold the TEMPORARY button for about F AN 3 seconds After 3 seconds the electronic beeper RI CLA 27 Service cap connection makes three short beeps to tell you the Auto Valve stem cap connection Restart has been selected e To cancel the Auto Restart follow the steps described in the section Auto Restart Function of the Owner s Manual Fig 8 7 1 Check the flare nut connections valve stem cap connections and service port cap connections for gas leak with a leak detector or soap water 8 7 2 Test operation To switch the TEST RUN COOL mode press TEMPORARY button for 10 sec The beeper will make a short beep TEMPORARY button Fig 8 7 2 51 FILE NO SVM 04008 9 TROUBLESHOOTING CHART 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
53. XCHANGER SENSOR TE I I i I RY07 MAGNETIC 45 15 4 CONTACTOR BLU x 0 CN11 ji 620 2 BLU mg I 9 29 d 2 0 ie T F CR12 COIL FOR i 4 WAY VALVE cris RY06 CAPACITOR CAPACITOR n o 2 TD RD I dp Be eS Poe Ss wu 9 e BLK AIA BLK BLK 7 P N 3 COMPRESSOR TERMINAL lt COMPRESSOR FAN MOTOR 11 FILE NO SVM 04008 3 3 RAS 24UKP E3 RAS 24UA E3 RAS 24UKP AR3 RAS 24UA AR3 RAS 24UKPX3 RAS 24UAX3 RAS 24UKPX3 T RAS 24UAX3 T COLOR IDENTIFICATION BRW BROWN RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE GRN amp YEL GREEN amp YELLOW GRN GREEN FAN MOTOR Z S I DC MOTOR R22 R BLK Ge Rog e 5 2 J 15601 VARISTOR DSA 4 T6 3A 250 V F 1 FUSE T 1 2 oDC15V 5 t oDCOV DC12VI BLK CN30 8 5 CN31 i RED CN27 1 gt ior MAIN P C BOARD ae 821 4 C06 IC02 JY CN13 CN03 2 2 S 12304 5647 XB KOKO
54. an motor and the compressor 1 Role of indoor unit controller The indoor unit controller receives the operation commands from the remote control and executes them Temperature measurement at the air inlet of the indoor heat exchanger by the indoor temperature sensor 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 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 Operation control of outdoor fan motor e Turning off the compressor and outdoor fan when the outdoor unit receives the shutdown command Defrost control in heating operation Temperature measurement by the outdoor heat exchanger and control for the four way valve and the outdoor fan motor pump Model only Operations according to the commands from the indoor unit 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 but
55. ble 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 C TE 10 kQ at 25 C Is it possible to detect AC 220 240 V at CN11 Does MG switch operate Next Page 65 FILE NO SVM 04008 Refer to item Power can not be turned Refer to 9 9 Troubleshooting for Remote Control Check 01 04 in 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 FILE NO SVM 04008 l Are all of compressor cords normal YES Rewire or replace defective cords Replace compressor RS 2 Is compressor motor winding normal NO Compressor is defective Check winding resistor YES 2 PEUT Is capacitor for compressor normal Capacitor is defective YES NO Is overload relay normal Overload relay is defective YES NO Does compressor start Compressor is defective YES Does compressor stop after a while YES Is gas quantity normal Check gas pressure YES Compressor is defective YES Replace compressor Replace capacitor Replace overload relay Replace compressor Gas shortage Gas leak Supply gas 66 FILE SVM 04008 9 7 Troubleshooting for Wiring Inte
56. controlled by the difference in motor speed between M and L NOTE Fig 7 2 1 Setting of air flow FAN AUTO 1 The values marked with 1 are calculated and controlled by the difference in motor speed 2 ECO operation cannot be set between M and L Fig 7 2 3 Setting of air flow FAN AUTO 31 FILE NO SVM 04008 7 2 3 Dry operation 7 2 4 Heating operation Heat pump model only MODE button on the remote control is set MODE 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 C LL LLL zu 3 0 oa temp 5 5 zu sit u bed 2 0 5 Preset 0 temp 5 8 E Compressor 9 Tl Common relay 4 way valve Outdoor fan OPERATION display lamp OPERATION display lamp Compressor Common relay 4 way valve Outdoor fan 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 turnin
57. e and turn it on again Does Fan motor continue to operate Is it possible to detect DC 1 V or more between 5 and 30 of motor connector CN10 YES Start to operate indoor unit in cooling operation at airflow level LOW Does indoor fan operate YES Is it possible to detect DC 310 340 V between 19 and of motor connector CN10 YES Turn off indoor unit and Mot ti diti remove connector from Motor connection condition motor Then press Is it possible to detect DC 15 V NO between 49 30 of motor 3 STOP button on connector CN10 Change airflow level to High remote control to stop blinking lamp on indoor unit Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1 V or more between 58 and 30 of motor connector CN10 Is it possible to detect DC 15 V between 49 and 30 of motor connector CN10 4 Turn off indoor unit remove connector from r NO motor Then start to leat P LAM bu flow operate indoor unit with AN Oy NANE remote control Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby At this time is it possible to detect DC 1 V or more between 5 and of motor connector CN10 NO Is it possible to change airflow level to High Start to operate the
58. e self diagnosis with the lamps on the display panel of the indoor unit Table 9 3 1 Lamps Self diagnosis OPERATION lamp is blinking 1 Hz Power failure when the power supply is turning on OPERATION lamp is blinking 5 Hz Thermo sensor TA short or break Heat exchanger sensor TC short or break OPERATION lamp is blinking 5 Hz Indoor fan motor lock or failure 1 Hz 5 Hz OPERATION lamp is blinking 5 Hz 5 Hz OPERATION lamp is blinking 5 Hz Indoor board failure OPERATION and TIMER lamps are blinking 5 Hz Wrong wiring of connecting cable OPERATION TIMER and PRE DEF or FAN ONLY for cooling only model lamps are blinking Cycle failure Gas shortage or other refrigerant cycle trouble Heat exchanger sensor open break or short e Overload relay or thermostat trouble of compressor Table 9 3 2 Diagnosis by detective operation Symptom The remote control does not work then turn it on Try to operate the remote control Turn off the power supply once 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 or board is de
59. e upper and lower parts to hookup 2 Prepare the power source for exclusive use with the the indoor unit air conditioner 2 To mount the installation plate on a concrete wall with anchor bolts utilize the anchor bolt holes as NOTE illustrated in the above figure e Wire type More than 1 5 mm HO7RN F or 3 Install the installation plate horizontally in the wall 245 IEC66 or 1 3 mm AWG 16 N CAUTION CAUTION When installing the installation plate with a e This appliance can be connected to the mains in mounting screw do not use the anchor bolt hole the following way Otherwise the unit may fall down and result in Connection to fixed wiring personal injury and property damage A switch or circuit breaker which disconnects all poles and has a contact separation of at least Installation plate 3 mm must be incorporate in the fixed wiring An lt Keep horizontal direction gt L I IL J gey som lt eum C approved circuit breaker or switches must used E x O LIT e Perform wiring works so as to allow a generous wiring capacity Projection 5 mm dia hole 15 mm or less Mounting A screw x 252 M Clip anchor local parts Fig 8 4 4 Failure to firmly install the unit may result in personal injury and property damage if the unit falls In case of block brick concrete or similar type walls make 5 mm dia holes in the wall Insert clip anch
60. ecifications Output Rated 2200 W 2 poles 1 phase 220 240 V 50 Hz at 20 C Winding resistance Q C R C S 0 8 2 16 Fan motor for outdoor KFG6 71SB5P T1 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz at 20 C Winding resistance Q Red Black White Black 64 4 127 4 Running capacitor 451355KQ 450 V 3 5uF for fan motor Running capacitor for compressor DS441606CPNE 440 V 60uF Solenoid coil for 4 way valve VENTE 220 240 V TE TD CLK 35J Transformer TT 05 Microcontroller TMP47C840N Varistor R73 R74 R86 15G471K 470 V Fuse F01 T6 3 250 V 10 at 25 C 50 at 25 C 220 240 V 50 Hz 220 240 V Thermo sensor Magnetic contactor 16 FILE NO SVM 04008 4 3 Outdoor Unit RAS 18UAH E3 Parts name Specifications Output Rated 1500 W 2 poles 1 phase 220 240 V 50 Hz Compressor PH250X3 4LM Winding resistance Q C R 5 at 20 C 2 29 1 22 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz Fan motor for outdoor KFG6 71SB5P T3 Winding resistance Q Red Black White Black at 20 C 64 4 127 4 Running capacitor for fan motor 451205KQ AC 450 V 2uF Running capacitor 371456JCR AC 370 V 45uF for compressor Solenoid coil for 4 way valve Thermo sensor TE TD 10 at 25
61. ecure the connecting cable with the cord clamp Connect the earth line to the metallic part mark 8 Fix the terminal cover rear plate bushing and air located at the side of 3P terminal inlet grille on the indoor unit How to install the air inlet grille on the indoor unit When attaching the air inlet grille the contrary of the removed operation is performed 44 FILE NO SVM 04008 8 4 5 Piping and Drain Hose Installation To connect the pipe after installation of the unit figure lt In case of rightward piping gt To the forefront of flare e After scribing slits of the body right by a knife or a making off pin cut them by a pair of nippers or the like Outward form of indoor unit core or the like for bending pipe 30 mm Use polisin polyethylene 1 9 Body righ Slit Body right Use the handle of screwdriver etc Fig 8 4 10 Fig 8 4 12 wnward piping n case of do ard piping NOTE If the pipe is bent incorrectly the indoor unit may unstably be set on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them CAUTION Bind the auxiliary pipes two and connecting cable with facing tape tightly In case of leftward pi
62. er Terminal FILE SVM 04008 11 3 Outdoor Unit RAS 24UAH E3 a S gi 1 Su Y io AN 9 d c 65 Location Description Location Description No 43T00024 Panel Air Outlet 43T49012 Base Spring B 43700025 Panel Front 43T49019 Spring Buffer 43T00026 Panel Side 43T21315 Motor Fan AC 220 240 V 50 Hz 43142002 Base Assembly 43720301 Fan Propeller 491 43T19318 Guard Fin 43T96001 Bushing 43T19011 Guard Fan 43T96004 Bushing Cord 43191001 Plate Roof 43 62013 Cover E Parts 43142005 Plate Valve Packed 43 52301 Switch Magnet CLK 35J 220 240 43115001 Handle 50 2 43 43317 Condenser Assembly 43155319 MF Capacitor GOLF 440 V 43746014 Valve Packed 15 88 Dia 43155317 MF Capacitor 3 5uF 450 V 43146016 Valve Packed 6 35 Dia 43196003 Clip Cable 43T47310 Bonnet 15 88 Dia 43746319 Valve 4way 43 47020 Bonnet 6 35 Dia 43146310 Coil V 4way AC 220 240 V 43147025 Capillary Tube 2 4 Dia 43 69059 Sensor 43 60324 Terminal Block 6P 43 69060 Sensor TD 43760325 Filter Clamp 43 79305 Nipple Drain 43741313 Compressor PH310X3 4MM 43T58301 Transformer 05 43162014 Protector Cord 43 69336 PC Board Assembly 43162015 Protector Cord 43747317 Nut Flange 43749011 Base Spring 43 47309 Capillary Tube 0 8 Dia 79 11 4 Outdoor Unit
63. er 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 00 01 02 1d 1 Bae al Check the unit with all 35 check codes 00 10 22 as shown in Table 9 4 1 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 Pi Note the check code on the display of the remote control e 2 digits alphanumeric 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 is indicated on the display of the remote control Press START STOP button to release the service mode The display of the remote control returns to as it was before service mode was engaged FILE NO SVM 04008 Table 9 4 1 Block level Diagnosis function Check Check Unit Judgement and action Block iti code code Symptom status Condition Indoor Vi The indoor thermo sensor TA is Operation The lamp on the 1 Check the indoor thermo sensor TA J IJ 4 board defective continues indoor unit blinks 2 Check the indoor P C board li e IT Disconnection or short circuit when error is defected 1 indoor heat exchanger Operation The lamp on the 1 Check the
64. f 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 instruc tions for proper installation 37 FILE NO SVM 04008 REQUIREMENT OF REPORT TO THE LOCAL POWER SUPPLIER Please make absolutely sure that the installation of this appliance is reported to the local power supplier before installation If you experience any problems or if the installation is not accepted by the supplier the service agency will take adequate countermeasures Remark per EMC Directive 89 336 EEC For Europe model only To 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 16A 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 38 8 2 Installation Diagram of Indoo
65. fective 53 9 4 Self Diagnosis by Remote Control 1 If the lamps are indicated as shown B to G in Table 2 Check Code 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 9 4 1 How to use remote conirol in service mode e Alphanumeric characters are used for the check code RESET CLOCK CHECK AAUTOA 0050 88 LILI oo HiPOWER 2 PM 8 88 cH G a a CO A START STOP auro PRESET OG RESET CLOCK CHECK 5 is 5 55 6 R is b is is d is D This illustration is only for Heat pump model For Cooling only model there is not the xx symbol FILE NO SVM 04008 1 Press CHECK button with a tip of pencil to set the 4 lt 54 remote control to the service mode e 00 is indicated on the display of the remote control The timer lamp on the indoor unit blinks continuously 5 times p
66. for control fan speed and the operation mode is changed every 15 minutes according to difference between the room temperature and the preset temperature The Fan only operation continues in the Automatic operation When the room temperature is in the range Preset temperature 1 C the Fan only operation is selected The ECO operation or operation does not work These operations do not work when the unit is in the Dry operation or Fan only operation When Hi POWER button is pressed the display on the remote control does not change at all Note 5 and 6 are for Heat pump model The display on the remote control does not change when Hi POWER button is pressed However the microcontroller gives commands to change the preset temperature and air flow level 52 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 04008 9 3 2 Failure diagnosis The indoor unit diagnoses the operation condition and indicates the information of th
67. g off the indoor fan motor FAN button is set to LOW LOW MED MED or operates in the SUPER LOW position HIGH the motor operates with constant air flow The pattern of operation depending on the relation between room temperature and preset temperatures is shown Fig 7 2 5 Preset gt 0 L temp 0 5 a 1 Room temp di 5 Ls 2 Preset temp 1 Preset temp M 5 0 g 5 5 ompressor AUTO H Outdoor fan c 1 2 The values marked with 1 and 2 are Indoor fan 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 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 A is the preset temperature when it is FILE NO SVM 04008 7 2 5 Automatic operation MODE button on the remote control is set to the automatic operation 1 One of 3 operations Cooling Fan only or Heating One of 5 steps Up to setting 2 Temporary Auto under 24 C 3 SUL means Super Ultra L
68. 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 04008 7 7 Auto Restart Function 7 7 1 How to set auto restart function The indoor unit is equipped with an automatic To set the auto restart function proceed as follows restarting function which allows the unit to restart The power supply to the unit must be on the function operating with the set operating conditions in the event will not set if the power is off of power supply being accidentally shut down The Push the TEMPORARY button located in the center operation will resume without warning three minutes of the front panel continuously for three seconds after power is restored The unit receives the signal and beeps three times This function is not set to work when shipped from the unit then restarts operating automatically in the factory Therefore it is necessary to set it to work event of power supply being accidentally shut down When the unit is on standby Not operating Operation Motions Push TEMPORARY button for more The unit is on standby than three seconds l The unit starts to operate The green lamp is on After approx three seconds The unit beeps three times The lamp changes from and continues to operate green to orange TEMPORARY button If the unit is not required to operate at
69. indoor heat exchanger LI ci sensor TC is defective continues indoor unit blinks sensor TC Disconnection or short circuit when error is 2 Check the indoor board defected I The indoor fan motor or its circuit All off The lamp on the 1 Check the connector circuit of the 1 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 171 part other than the above Operation The lamp on the 1 Check the indoor board U parts on the indoor P C board is continues indoor unit blinks EEPROM and peripheral circuits zd defective when error is EEPROM access error defected IOL operation All off The lamp on the Overload operation of refrigerating cycle J indoor unit blinks zx when error is defected F1 I Cable Vit The serial signals can not be Operation The lamp on the 1 In the case of the outdoor unit not J connection LII 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 circuit on the outdoor P C board is defective The serial signal receiving circuit on the indoor P C board is defective normally Check whether
70. installation parts FILE NO SVM 04008 Part Code Parts name Q ty Refrigerant piping Liquid side 26 35 mm Gas side 212 70 mm 18 series except RAS 18UKPX3 T2 RAS 18UAX3 T2 each 215 88 mm 24 series and RAS 18UKPX3 T2 RAS 18UAX3 T2 One Pipe insulating material polyethylene foam 6 mm thick Putty PVC tapes One each lt Fixing bolt arrangement of outdoor unit gt RAS 24UAH E3 RAS 24UA E3 RAS 24UAX3 RAS 24UA AR3 RAS 24UAX3 T RAS 18UAX3 T2 600 mm Air inlet 340 mm Air outlet Drain outlet Fig 8 3 1 RAS 18UAH E3 600 mm Air inlet 120 mm Air outlet Fig 8 3 2 RAS 18UA E3 RAS 18UAX3 RAS 18UA AR3 600 mm Air inlet 120 mm Air outlet Fig 8 3 3 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 40 8 3 2 Accessory and installation parts FILE NO SVM 04008 he Part name Q ty Part name Q ty fess o Alm Installation plate x 1 Remote control holder x 1 Bioenzyme filter x 2 2 5 gt Wireless remote control x
71. k 176 2 290 5 Running capacitor for fan motor 451205KQ AC 450 V 2uF Running capacitor for compressor 371456JCR AC 370 V 45uF Magnetic contactor CLK 26J 220 240 V 50 Hz 18 4 8 Outdoor Unit RAS 18UA AR3 Parts name Compressor 2JS350D5DA02 FILE NO SVM 04008 Specifications Output Rated 1500 W 2 poles 1 phase 220 240 V 50 Hz Winding resistance 0 at 20 C C R 5 0 981 2 845 Fan motor for outdoor KFG6 71SB5P T4 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz Winding resistance 0 at 20 C Red Black White Black 68 15 170 50 Running capacitor for fan motor 451205KQ 450 V 2uF Running capacitor for compressor SK42CMP45U1 S AC 420 V 45uF Magnetic contactor CLK 35J 4 9 Outdoor Unit RAS 18UAX3 T2 Parts name Compressor PH210T2 4L7 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 C S 1 07 2 20 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 451355KQ AC 450 V 3 5uF Running capacitor for compressor 371356JCR AC 420 V
72. lty Part 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 10 1 Indoor Unit 10 2 Outdoor Unit RAS 24UAH E3 RAS 24UA E3 RAS 24UAX3 RAS 24UA AR3 RAS 24UAX3 T RAS 18UAX3 T2 10 3 Outdoor Unit RAS 18UAH E3 10 4 Outdoor Unit RAS 18UA E3 RAS 18UAX3 RAS 18UA AR3 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy 11 2 Indoor Unit 11 3 Outdoor Unit RAS 24UAH E3 11 4 Outdoor Unit RAS 18UAH E3 11 5 Outdoor Unit RAS 24UA E3 RAS 24UAX3 RAS 24UAX3 T 11 6 Outdoor Unit RAS 24UA AR3 11 7 Outdoor Unit RAS 18UAX3 T2 11 8 Outdoor Unit RAS 18UA E3 RAS 18UAX2 11 9 Outdoor Unit RAS 18UA AR3 Capacity 1 SPECIFICATIONS RAS 24UKHP E3 RAS 24UAH E3 RAS 24UKP E3 RAS 24UA E3 RAS 24UKPX3 RAS 24UAX3 FILE NO SVM 04008 RAS 24UKP AR3 RAS 24UA AR3 RAS 24UKPX3 T RAS 24UAX3 T Cooling Heating 220 V 240V Cooling 240 V Cooling 220V Cooling Cooling 220V 6 80 6 90 6 45 6 40 6 40 10 Power source V 220 240 220 Hz 50 Power consumption w 2390 2490 2350 2440 2350 2440 2350 2440 2350 Power factor 94 90 99 90 99 90 96 91 99 Running current A Indoor Outdoor 220 V 240 V 220 V 240 V 220 V 240 V 220 V 240 V
73. 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 e Gas shortage normal condition 2 The indoor unit operates normally Gas leak when recovering during the check 2 Instantaneous power failure from errors If the reply serial signal continues to be transmitted between and 8 of the indoor terminal block replace the outdoor P C board If the signal stops between them replace the indoor board The discharge temperature is All off The lamp on the 1 Check the heat exchanger sensor TD over 120 C indoor unit blinks 2 Gas purging when error is defected The IOL operation is defective All off The lamp on the When turning on the unit the normal indoor unit blinks when error 15 detected phase RST is detected but T R waveform has not been detected for 120 seconds or more 55 FILE NO SVM 04008 Check item Conceivable principle cause 9 5 How To Diagnose Faulty Parts 04 Serial signal error Heat pump model 1 Measure Item by symptoms NO Does outdoor unit operate Are 1 2 and 3 crossover Connect crossover wires connected properly wires properly YES YES Is connector Connect connector connected properly properly YES Does LED Orange on outdoor P C board blink Outdoor P C board is defective Does LE
74. mp blinks Check it is impossible to detect the voltage DC 15 V between 3 and of the motor terminals The motor does not operate But it is possible to receive the signal from the remote control The motor rotates but vibrates strongly FILE NO SVM 04008 Causes The temperature of the indoor heat exchanger is extremely low The connection of the heat exchanger sensor is loose The connector is disconnected 01 The heat exchanger sensor and the board are defective Refer to Table 9 8 2 The main board is defective The temperature of the indoor heat exchanger is extremely high The connector of the heat exchanger sensor short circuited 01 The heat exchanger sensor and the P C board are defective Refer to Table 9 8 2 The main board is defective The indoor fan motor is defective Protected operation of board The connection of the motor connector is loose The P C 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 Press CLR button while pressing CHECK button with a tip of a pencil AAUTOA x 9 5 6 5 Ya 2 Then press START STOP button to transmit the HP signal to the indoor unit ws AMEE D a aa PRESET 9 8 3
75. n Description No 43 00024 Panel Air Outlet 43762014 Protector Cord 43700025 Panel Front 43 62015 Protector Cord 13100026 SIde 43749309 Rubber Cushion 43 42307 Base Assembl 43721314 Motor Fan AC 220 240 V 50Hz 43 19318 Guard Fin 43119011 Guard Fan 43T20301 Fan Propeller 491 43T91001 Plate Roof 43T96001 Bushing 43742005 Plate Valve Packed 43T96004 Bushing Cord 43 15001 Handle 43T62013 Cover E Parts 43743329 Condenser Assembly 43752301 Switch Magnet AC 220 240 V 50Hz 43T46014 Valve Packed 15 88 Dia 43755319 MF Capacitor 60 F 440 V 43T46016 Valve Packed 6 35 Dia 43T55317 MF Capacitor 3 5uF 450 V 43 47310 Bonnet 15 88 Dia 43T96003 Clip Cable 43T47020 Bonnet 6 35 Dia 43T47317 Nut Flange 43T47013 Capillary Tube 2 0 Dia 43 33002 Spark Killer 43T60324 Terminal Block 6P 43 41343 Compressor 2JS386D5BB02 81 11 6 Outdoor Unit RAS 24UA AR3 Location No 43700024 43700025 43700026 43742307 43719318 43719011 43791001 43742005 43715001 43743349 43746014 43746016 43747310 43747020 43760324 43741343 43762014 N 1 277 N 1 Description Panel Air Outlet Panel Front Panel Side Base Assembly Guard Fin Guard Fan Plate Roof Plate Valve Packed Handle Condenser Assembly Valve Packed 15 88 Dia Valve Packed 6 35 Dia Bonnet 15 88 Dia B
76. ng on the breaker the operation lamp blinks This means that power is on or the power supply is cut off 1 The compressor 4 way valve outdoor fan and 2 When pressing START STOP button on the display lampara ns Shown In remote control receiving beep sounds from the 9 indoor unit and the next operation is performed ae together with opening the vertical air flow louver 5 u 3 Once the operation mode is set it is memorized in the microcomputer so that the previous operation 05 can be effected thereafter simply by pressing ES START STOP button 7 2 1 Fan only operation MODE button on the remote control is set to the fan only operation Preset 0 temp 1 When FAN button is set to AUTO the indoor fan 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 Compressor Common relay 4 way valve Outdoor fan OPERATION display lamp 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 T 4 FAN button is set to LOW LOW MED or m HIGH the motor operates with a constant air flow 5 41 5 1 8 E 40 5 2 Preset 0 a Preset temp 24 C NOTE 1 values marked with 1 are calculated and die
77. ntrol t Display E UR PRE DEF Initiallizing Circuit Processing Sign Display Infrared Temperature Processing R phani Clock Frequency Ti Hi Power c 1 Oscillator Circuit imer Sign Display Indoor Serial Signal Communication Power Supply Circuit Louver ON OFF Signal Control ZN 1 1 From Outdoor Unit 220 240 V AC 50 Hz Serial Signal Communication REMOTE CONTROL Infrared Rays Remote Control 4 Operation START STOP Operation Mode Selection AUTO COOL DRY HEAT FAN ONLY Temperature Setting Fan Speed Selection ON TIMER Setting Louver Auto Swing Louver Direction Setting m C OFF TIMER Setting Filter Reset FILE NO SVM 04008 6 2 RAS 18UKP E3 RAS 18UA E3 RAS 18UKPX3 RAS 18UAX3 RAS 18UKP AR3 RAS 18UA AR3 RAS 18UKPX3 T2 RAS 18UAX3 T2 RAS 24UKP E3 RAS 24UA E3 RAS 24UKPX3 RAS 24UAX3 RAS 24UKP AR3 RAS 24UA AR3 RAS 24UKPX3 T RAS 24UAX3 T Heat Exchanger Sensor Temperature Sensor Infrared Rays Signal Receiver fl 1 ALL Initiallizing Circuit Infrared Rays s Clock Frequency Oscillator Circuit Functions Indoor Unit Control Panel Louver Control 3 minute Delay at Restart for Compressor Motor Revolution Control Processing Temperature Processing
78. o 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 1 657 FILE NO SVM 04008 lt Inspection procedure gt 1 If the board is detective check for disconnec tion burn or discoloration of the copper foil pattern of the board The 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 circuit 9 8 Troubleshooting for P C board 9 8 1 How to check indoor P C board lt Cautions for handling P C board gt 2 1 When removing the front panel and the P C board be sure to turn off the power supply 2 When removing the P C 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 P C board hold the housing Do not pull at lead wires Check the defects of the P C board with Table 9 8 1 Table 9 8 1 Inspection procedure No Procedure Check point Turn off the power supply and Check whenther or not the fuse F01
79. ompressor 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 turned 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 Automatic operation In Automatic operation the room temperature is detected all time
80. onnet 6 35 Dia Terminal Block 6P Compressor 2JS386D5BB02 Protector Cord Location No 82 43 62015 43 49309 43 21316 43 20301 43 96001 43T96004 43 62013 43 52301 43 55309 43 55317 43 96003 43 47317 43 33002 43 47025 43 47309 FILE SVM 04008 15 CAPILLARY TUBE 2 0DIA Description Protector Cord Rubber Cushion Motor Fan AC220 240 V 50 Hz Fan Propeller 491 Bushing Bushing Cord Cover E Parts Switch Magnet 220 240 V 50Hz MF Capacitor 60uF 420V MF Capacitor 3 5uF 450 V Clip Cable Nut Flange Spark Killer Capillary Tube 2 4 Dia Capillary Tube 0 8 Dia 11 7 Outdoor Unit RAS 18UAX3 T2 Location No 43700024 43700025 43700026 43742002 43719318 43719011 43791001 43742005 43715001 43743320 43746014 43746016 43747310 43747020 43747013 43760324 43741314 Description Panel Air Outlet Panel Front Panel Side Base Assembly Guard Fin Guard Fan Plate Roof Plate Valve Packed Handle Condenser Assembly Valve Packed 15 88 Dia Valve Packed 6 35 Dia Bonnet 15 88 Dia Bonnet 6 35 Dia Capillary Tube 2 0 Dia Terminal Block 6P Compressor PH210T2 4L7 Location No 83 43 62014 43 62015 43749008 43721314 43720301 43796001 43796004 43762013 43752302 43755304 43755317 43796003 43747317 43733002 43747309 FILE SVM 04008 11 13 12 14 15 CA
81. or not both of serial LED Green and serial LED Orange is blinking If the serial LED Green is not blinking check the outdoor P C board If the serial LED Orange is not blinking check the indoor board The operation command signals Operation The lamp on the If the operation command signals continue LI 21 are not transmitted from the continues indoor unit blinks to be transmitted between 2 8 of the indoor unit to the outdoor unit when error is indoor terminal block replace the outdoor defected And it P C board returns to the normal condition when recovering from errors _ Outdoor The outdoor thermo sensor All off The lamp on the 1 Check the outdoor thermo sensor TE JI board is defective indoor unit blinks 2 Check the outdoor P C board Disconnection or short circuit when error is defected TT The outdoor heat exchanger TD All off The lamp on the 1 Check the outdoor heat exchanger I 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 reply serial signal has been Operation The lamp on the 1 Repeatedly turn the indoor unit on and Li 2 including 4 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 15
82. ormal 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 74 10 1 Indoor Unit Part name Front panel 10 PART REPLACEMENT Procedures How to remove the front panel 1 Stop the operation of the air conditioner and turn off its main power supply 2 Pull the inlet grille toward you to open it and remove 4 screws fixing the front panel 3 Remove upper 3 hooks of the front panel from the back body 4 Open the horizontal grille right below by hand 5 Pull the lower side of the front panel toward you until it touches the horizontal grille to remove it How to mount the front panel 1 Mount the front panel with the inverse procedure of How to remove the front panel 2 Push 3 places right left and center of the air outlet 3 Check the gap between the front panel and the back body If you operate the air conditioner in cooling or dry operation without pushing the 3 places the surface of the front panel may be covered with frost and have dewdrops FILE NO SVM 04008 Remarks 4 screws Electrical part assembly 1 Remove the front panel with the procedure 1 2 Remove the screw fixing the electrical part box 3 Remove the drain guide 4 Remove the connector 5P for the fan motor and the connector 6P for the louver motor from the microcomputer
83. ors for appropriate mounting screws NOTE Secure four corners and lower parts of the installation plate with 6 to 8 mounting screws to install it 43 FILE NO SVM 04008 8 4 4 Wiring connection CAUTION s Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical cords and also any specific wiring instructions or limitations Front panel Connecting cable DA Terminal block Fig 8 4 6 Cord clam Earth lt Stripping length of connecting cable gt H line P Terminal cover Screw 10 Earth line Connecting cable Fig 8 4 7 Fig 8 4 5 NOTE Use stranded wire only lt How to connect the connecting cable gt Wire type More than 1 5 mm HO7RN F or Wiring of the connecting cable can be carried out 245 IEC66 1 3 AWG 16 without removing of the front panel 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord clamp 3 Insert the connecting cable according to local cords into pipe hole on the wall 4 Take out the connecting cable through the cable slot on the rear panel so that it protrudes about 15 cm from the front 5 Insert the connecting cable fully into the terminal Fig 8 4 8 block and secure it tightly with screws 6 Tightening torque 1 2 N m 0 12 kgf m NOTE 7 S
84. ow 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 24UKHP E3 RAS 18UKHP E3 RAS 24UKP E3 RAS 24UKPX3 RAS 24UKP AR3 RAS 24UKPX3 T RAS 18UKP E3 RAS 18UKPX3 RAS 18UKP AR3 RAS 18UAPX3 T2 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 starting the unit and room temperature is between preset temperature and 3 C lower than preset temperature 25 minutes or more passed after starting the unit Room temperature lt Preset temperature 4 Room tempera
85. per drainage from the unit Improper drainage can result in dew dropping This air conditioner has the structure designed to drain water collected from dew which forms on the back of the indoor unit to the drain pan Therefore do not store the power cord and other parts at a height above the drain guide Wall Drain guide Space for pipes 4 Fig 8 4 17 46 8 5 Outdoor Unit 8 5 1 Installation place A place which provides the spaces around the outdoor unit as shown in the left diagram A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration Aplace where the operation noise and discharged air do not disturb your neighbors A place which is not exposed to a strong wind A place free of a leakage of combustible gases A place which does not block a passage When the outdoor unit is to be installed in an elevated position be sure to secure its feet Anallowable length of the connecting pipe is up 15 m Refer to the table of TO CHARGE REFRIGERANT for detail Anallowable height level is up to 8 m RAS 18UA or 10 m RAS 24UA A place where the drain water does not raise any problem CAUTION 1 Install the outdoor unit without anything blocking the air discharging 2 When the outdoor unit is installed in a place exposed always to a strong wind like a coast or on a high story of a building secure the no
86. ping and rear leftward piping bind the auxiliary pipes two only with facing tape e After scribing slits of the body right by a knife or a making off pin cut them by a pair of nippers or the like Slit Body right a Indoor unit Fig 8 4 11 CHR O pipas Connecting cable lt Left hand connection with piping gt Drain hose Bend the connecting pipe so that it is laid within 43 mm Installation plate above the wall surface If the connecting pipe is laid exceeding 43 mm above the wall surface the indoor unit may unstably be set on the wall When bending the connecting pipe make sure to use a spring bender so as not to crush the pipe Carefully arrange pipes so that any pipe does not Stick out of the rear plate of the indoor unit Carefully connect the auxiliary pipes and connecting pipes to each other and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc Since dewing results in a machine trouble make sure to insulate both the connecting pipes Use polyethylene foam as insulating material When bending a pipe carefully do it not to crush C it J Bend the connection pipe within a radius of 30 mm 45 8 4 6 Indoor unit fixing 1 Pass the pipe through the hole in the wall and hook the indoor unit on the installation plate at the upper hooks Swing the indoor unit to right and lef
87. r and Outdoor Units 65 mm or more plate 7 e Zeolite filter Pan head wood screw With the remote control cover open load the batteries supplied correctly observing their polarity Remote control holder Wireless remote control Wireless remote control Vinyl tape Apply after carrying out a drainage test Extension F4 Saddle i drainhose 5 Option 3 Extension E RB 821SW Ej e E drain hose Option Ee 45 RB 821SW 5 Electric B 3 z x gt gt parts Dj CU Electric wa i J 21 parts cover sss zi Ss o my Mor 18 55 Heat pump 18 Class 24 Class Cooling only Loop the connective cable about 100 mm in diameter and 300 350 mm long 39 1 Installation FILE NO SVM 04008 For the rear left and left piping Insert the cushion between the indoor unit and wall and lift the indoor unit for better operation Cut the piping hole sloped slightly Make sure to run the drain hose sloped downward The auxiliary piping can be connected the left rear left rear right or bottom Insulate the refrigerant pipes separately with insulation not together Loop the connective cable about 100 mm in diameter and 300 350 mm long 8 3 Installation 8 3 1 Optional
88. rconnect cable and Serial Signal Wire 9 7 1 Outdoor unit does not operate lt Inspection procedure gt 1 Is the voltage between 1 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 Prepare a diode for checking Heatpump model M Tester 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 30 seconds Voltage between 2 and 3 of the of the indoor s Terminal block should be equal AC 220 240V For Asia model AC 220V For Thai model Abnormal condition Don t found voltage AC 220 240V For Asia model AC 220V For Thai model from terminal block 0V 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 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 therm
89. re 1 Disconnect the lead wires from the P C Board Remove Board after unhooking 4 clams 75 Running capacitor for compressor Running capacitor for fan motor Magnetic contactor P C Board Transformer FILE SVM 04008 10 4 Outdoor Unit RAS 18UA E3 RAS 18UAX3 RAS 18UA AR3 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 2 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 base 4 Remove the front cabinet 8 scerws 24 x 10L Pull the front lower portion toward you and pull out it upward to remove it 5 Remove the back cabinet 4 screws 24 x 101 Remarks Remove 8 screws 24 x 10L 4 screws 24 x 22L 4 screws 24 x 10L Running capacitor for compressor 1 Perform the common procedure 1 2 Remove the capacitor band 1 screw 24 x 10L 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
90. rmal fan operation using a duct or a wind shield 3 Specially in windy area install the unit to prevent the admission of wind 4 Installation in the following places may result in trouble Do not install the unit in such places A place full of machine oil e A 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 welders and medical equipment 39 Me FILE NO SVM 04008 8 5 2 Refrigerant piping connection 1 Cut the pipe with a pipe cutter 90 Obliquity Roughness Warp 5j Fig 8 5 2 2 Insert a flare nut into the pipe and flare the pipe Projection margin in flaring A Unit mm gt Fig 8 5 3 Outer dia of copper pipe Rigid 1 0 to 1 5 1 0 to 1 5 1 0 to 1 5 Imperial 1 5 to 2 0 2 0 to 2 5 2 0 to 2 5 6 35 12 70 15 88 lt Tightening connection gt Align the centers of the connecting pipes and tighten the flare nut as far as possible with your fingers Then tighten the nut with a spanner and torque wrench as shown in the figure Do not apply excess torque Otherwise the nut may crack depending on the conditions 47 FILE NO SVM 04008 Unit 8 5 3 Evacuating Outer dia After the piping has been connected to the indoor unit of copper pipe Tightening torque you can perform
91. rt the Automatic Operation 36 FILE NO SVM 04008 1 7 9 Self Cleaning function Self Cleaning function is designed to reduce humidity that causes mold to form inside the air conditioning unit This advanced efficient system reduces moisture in the coil When you turn off your air conditioner the internal fan activates and dries the moisture in the coil for 20 minutes then turns off automatically ON FCU fan rpm is depend on preseting rpm is SUL speed pr FCU louver OPEN CLOSE CLOSE Timer displa ON or OFF ON or OFF play depend on preseting of timer function depend on E of timer function ON or OFF Compressor depend on preseting per room temperature CDU fan OFF depend on per room temperature 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 e Self Cleaning operation can stop manually by press START STOP botton of the remote control one more time 7 9 1 How to cancel Self Cleaning function To cancel the Self Cleaning function proceed as 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 RESTART is ON or green color When AUTO RESTART is OFF e Hold do
92. s a curtain that may block the signal from the indoor unit e Do not install the remote control in a place exposed to direct sunlight or close to a heating source such as a stove 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 The location of the remote control should be determined as shown below For installation of the indoor unit use the paper pattern on the back 1 After determining the pipe hole position on the mounting plate gt drill the pipe hole 265 mm at a slight downward slant to the outdoor side NOTE When drilling a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately Mounting the installation plate Side view view UNS Indoor unit 9 Indoor unit emote Reception control range D Remote control Reception R range Axial distance Fig 8 4 1 g Pipe Hook Thread Hook Installation Pipe hole plate Indoor unit Weight 8 Mounting screw Fig 8 4 3 42 FILE NO SVM 04008 When the installation plate is directly mounted on 8 4 3 Electrical work the walls 1 The supply voltage must be the same as the rated 1 Securely fit the installation plate onto the wall by voltage of the air conditioner screwing it in th
93. stance value dE 10 at 25 C normal sensor Is ch d amount condenser Seer Anti freezing operation of refrigerant normal YES Charge refrigerant Is indoor fan motor normal YES Replace Is outside air YES fan motor low load NO Indoor P C board Replacd is defective P C board Anti freezing operation 57 FILE NO SVM 04008 OC Indoor TA sensor error 5 15 04 Connect 04 proper connected properly properly 15 TA sensor resistance value 10 at 25 C normal p h Indoor P C board is defective Replace P C board Od Indoor TC sensor error Is CNO5 TC sensor connector Re nee connected properly properly Is TC sensor resistance value Replace T sens r 10 KQ at 25 C normal Indoor board is defective Replace board 18 outdoor TE sensor error Heat pump model Is TE sensor connector Connect connector connected properly properly YES 15 TE sensor resistance value Se ee 10 kQ at 25 C normal p Indoor P C board is defective Replace P C board 58 FILE NO SVM 04008 19 outdoor TD sensor error Heat pump model 15 TD sensor Connect connector connected properly properly YES Is TD sensor resistance value Repl TD 50 at 25 C normal eplace ID sensor Outdoor P C board
94. t pump model Grille ASSY For cooling only model Air Filter L Air Filter R Filter Frame Mark Body Right Body Left Hide Claw Louver H Hose ASSY Drain Motor Stepping Refrigeration Cycle ASSY For 24 Series Refrigeration Cycle ASSY For 18 Series Pipe Deliver Pipe Suction For 18 Series Pipe Suction For 24 Series Pipe Shield Holder Sensor Spring Plate EVA Seal Holder Plate EVA Seal Plate EVA Seal Holder Plate EVA Seal Guide Drain Fix Motor Fan Motor Cord Motor Fan Fan Cross Flow Location No 43122002 43139015 43 03013 43 03301 43 07022 43 82007 43 85410 43 85411 43 85412 43 85413 43 85414 43 85415 43 69309 43 69310 43 83003 43 62029 FILE SVM 04008 1 Description M Bearing ASSY Base Bearing Back Body ASSY RAS 24UKHP E3 RAS 18UKHP E3 RAS 24UKP E3 RAS 24UKP AR3 RAS 18UKP E3 RAS 18UKP AR3 Back Body ASSY RAS 24UKPX3 RAS 24UKPX3 T RAS 18UKPX3 RAS 18UKPX3 T2 Holder Pipe Plate Installation Owner s Manual RAS 18 24UKHP E3 RAS 18 24UKP E3 RAS 18 24UKPX3 Owner s Manual RAS 18 24UKHP E3 RAS 18 24UKP E3 Owner s Manual RAS 18 24UKHP E3 Owner s Manual RAS 18 24UKHP E3 Owner s Manual RAS 18 24UKPX3 Owner s Manual RAS 18 24UKP AR3 RAS 18UKPX3 T2 RAS 24UKPX3 T Remote Control Wireless For Heat pump model Remote Control Wireless For Cooling model Holder Remote Control Cov
95. t to confirm that it is firmly hooked up on the installation plate While pressing the indoor unit onto the wall hook it at the lower part on the installation plate Pull the indoor unit toward you to confirm that it is firmly hooked up on the installation plate KE Hook here Installation B plate Press Hook unhook Fig 8 4 13 For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing its bottom up at the specified parts Push Push Fig 8 4 14 FILE NO SVM 04008 8 4 7 Drainage 1 Run the drain hose sloped downwards NOTE Hole should be made at a slight downward slant on the outdoor side Do not form the drain hose into a wavy shape Do not rise the drain hose 50 mm somm AX x x x VE 6 T 8 EST Do not put Do not put the drain the drain hose end hose end in into water the drainage ditch Fig 8 4 15 Put water in the drain pan and make sure that the water is drained out of doors When connecting extension drain hose insulate the connecting part of extension drain hose with shield pipe IE Extension drain hose Shield pipe Drain hose Inside the room Fig 8 4 16 Arrange the drain pipe for pro
96. there are faulty parts following 9 4 Self Diagnosis by Remote Control 9 2 Basic Check Items 9 2 1 Power supply voltage The line voltage must AC 220 240 V If it is not within this range the air conditioner may not operate normally 9 2 2 Incorrect cable connection between Indoor and outdoor units The indoor unit is connected to the outdoor unit with 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 TIMER lamp will blink 5 Hz 9 2 3 Program control The microcontroller operates as shown in Table 9 2 1 to control the air conditioner If there are any opera Operation of air conditioner When the main power supply is turned on the OPERATION lamp on the indoor unit blinks 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 Descriptions The OPERATION lamp blinks to indicate that power is turned on If the START STOP 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 c
97. this time push TEMPORARY button once more or use the remote control to turn it off When the unit is in operation Operation Motions Push TEMPORARY button for more The unit is in operation The green lamp is on than three seconds 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 TEMPORARY button e While this function is being set if the unit is in e While the filter check lamp is on the operation the orange lamp is on TEMPORARY button has the function of filter e This function can not be set if the timer operation reset button has been selected e When the unit is turned on by this function the louver will not swing even though it was swinging automatically before shutting down 35 FILE NO SVM 04008 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 TEMPORARY button When the unit is in operation Operation Push TEMP
98. tion where the gap between the back body and the right surface of the cross flow fan is 4 mm Bearing base 1 Remove the front panel electrical parts assembly horizontal grille heat exchanger and the cross flow fan with procedure 5 2 Remove the bearing from the bearing base If the housing protrudes from the base bearing put the housing in position and assemble the bearing to the bearing base Bearing base er o Bearing Fan motor 1 Remove the front panel electrical parts assembly horizontal grille and the heat exchanger with procedure 2 Loosen the set screw of the cross flow fan 3 Remove 2 screws of the motor fixture 4 Remove the lower side of the body R and move it right to remove it 5 Remove the motor from the motor fixture Motor fixture FILE SVM 04008 10 2 Outdoor Unit RAS 24UAH E3 RAS 24UA E3 RAS 24UAX3 RAS 24UA AR3 RAS 24UAX3 T RAS 18UAX3 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 4 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 4 x 10L 5 Remove the front cabinet 2 scre
99. ton 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 DC Fan motor 1 The indoor fan is operated by the stepless speed change DC 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 Table 7 1 1 RAS 24UKHP E3 RAS 18UKHP E3 MODEL Motor speed Air flow level Motor speed Air flow level rpm m3 h rpm m3 h Cooling HIGH 1350 950 1150 750 and MED 1150 750 1050 650 Fan only LOW 1000 600 900 530 HIGH 1350 950 1200 800 Heating MED 1200 800 1100 700 LOW 1050 650 950 570 MODEL RAS 18UKPX3 RAS 24UKP AR3 RAS 18UKP AR3 RAS 24UKPX3 T Cooling HIGH 1350 950 1150 750 and MED 1150 750 1050 650 Fan only LOW 1000 600 900 530 MODEL RAS 18UKPX3 T2 Cooling HIGH 1350 950 and MED 1050 650 Fan only LOW 900 530 LOW LOW MED 2 MED MED HIGH 2 30 FILE NO SVM 04008 7 2 Description of Operation Circuit 7 2 2 Cooling operation 1 When turni
100. tor Cooling only model Magnetic contactor 10 3 Outdoor Unit RAS 18UAH E3 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 04008 Remarks Remove 8 screws 04 x 10L 4 screws 04 x 221 4 screws 04 x 10L Running capacitor for compressor Perform the common procedure 1 Remove the capacitor band 1 screw 4 x 101 Disconnect the lead wires from the capacitor terminal Running capacitor Perform the common procedure 1 Remove the fixing screw 1 screw 4 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 4 x 10L Disconnect the housing from the P C Board P C Board Perform the common procedu
101. ture 2 Preset temperature 3 5 C 33 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 preset temperature drops 3 C The value of the preset temperature on the remote control does not change e If the difference between the preset temperature and the room temperature is big the horizontal louver moves to the Hi POWER position automatically Then when the difference between them gets smaller the horizontal louver returns automatically FAN speed AUTO If the difference between the preset temperature and room temperature is big the air conditioner operates at maximum airflow level If the difference between the preset temperature and the room temperature is small the air conditioner operates at normal airflow level FAN speed One of 5 levels The air conditioner operates at normal airflow level Heating operation pump model only e The preset temperature increases 2 C The value of the preset temperature on the remote control does not change e The indoor unit operates in normal heating mode except the preset temperature is higher
102. wn the TEMPORARY button for more than 20 seconds The air conditioner will stop suddenly when the TEMPORARY 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 After holding about 20 seconds the air conditioner will beep 5 times without any blinking of display e The Self Cleaning Operation had been concelled Remarks e Per setting of Self Cleaning function above AUTO RESTART function had been cancelled To set AUTO RESTART again please follow item 7 7 1 7 9 2 How to set Self Cleaning function To set the Self Cleaning function proceed as 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 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 is pressed but keep holding it continue Then will beep 3 times is the first 3 seconds but it is not related to Self Cleaning function After holding about 20 seconds the air conditioner will beep 5 times and OPERATION display blinks 5 times e The Self Cleaning function had been set n N TEMPORARY button Remarks e Per setting of Self Cleaning function above AUTO RESTART function had been cancelled To set AUTO RESTART again please follow item 7 7 1 3
103. ws 24 x 10L 6 Remove the side cabinet 4 screws 24 10L amp 2 screws 24 141 Remarks Top cabinet Electrical parts cover Front cabinet Side cabinet 4 screws 24 x 22L 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 model 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 24 x 101 3 Disconnect the housing from the Board Magnetic contactor Running capacitor for compressor Running capacitor for fan motor Transformer Heat pump model P C 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 74 Running capacitor Spark killer for compressor Running capacitor for fan mo

Download Pdf Manuals

Related Search

Related Contents

  T'nB ECDAPO104BL  障害学生支援の構図  Series 90-30 CPU374 PLUS TCP/IP Ethernet Manual, GFk-2382  SERIE JOB  Bedienungsanleitung S. 2 Operating Manual p. 23 Funk  Electrolux EI23BC30KS Owner's Guide  富士通パソコンFMV サポート＆サービスのご案内  C17- MASTER CONTROL BOARD Rev. 3.1 User manual Rev. 1 1  QROlle II - User manual - for QROlle QRP kits from Sweden  

Copyright © All rights reserved. Failed to retrieve file