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FILE NO. SVM-05016

11. EXPLODED VIEWS AND PARTS LIST

11-1. Indoor Unit (E-Parts Assy)

Location Part

Location

Part

No. No.

No.

402 43T60002 TERMINAL BLOCK; 3P

411 43T69455

PC BOARD (FOR RAS-24NKD-E4,

403 43T50004 SENSOR; HEAT EXCHANGER

RAS-24NKD-AR4, RAS-24NKDX4,

404 43T69005 SENSOR;THERMOSTAT

43T69456 PC BOARD (FOR RAS-18NKHD-E4

405 43T69482 PC BOARD ASSY; WRS-LED MCC-819

43T69457

PC BOARD (FOR RAS-18NKD-E4,

406 43T62003 CORD CLAMP

411

43T69454

PC BOARD (FOR RAS-24NKHD-E4

Description

RAS-24NKDX4-T

RAS-18NKD-AR4, RAS-18NKDX4

43T69458

PC BOARD (FOR RAS-18NKDX4-T2)

407 43T62003 C

LAMP, CORD

407 43T60355 P

OWER CORD

411

43T51305

MICRO SWITCH

412

Содержание RAS-18NKD-AR4

Страница 1: ...8NKHD E4 RAS 18UAH E4 RAS 24NKD E4 RAS 24UA E4 RAS 18NKD E4 RAS 18UA E4 RAS 24NKD AR4 RAS 24UA AR4 RAS 18NKD AR4 RAS 18UA AR4 RAS 24NKDX4 RAS 24UAX4 RAS 18NKDX4 RAS 18UAX4 RAS 24NKDX4 T RAS 24UAX3 T1 RAS 18NKDX4 T2 RAS 18UAX4 T2 18 Class Heat pump model 24 Class 18 Class Cooling only model June 2005 ...

Страница 2: ...E4 RAS 24NKDX4 RAS 24NKD AR4 RAS 24NKDX4 T RAS 18NKD E4 RAS 18NKDX4 RAS 18NKD AR4 RAS 18NKDX4 T2 4 5 Outdoor Unit RAS 24UA E4 RAS 24UAX4 RAS 24UAX3 T1 4 6 Outdoor Unit RAS 24UA AR4 4 7 Outdoor Unit RAS 18UAX4 RAS 18UA E4 4 8 Outdoor Unit RAS 18UA AR4 4 9 Outdoor Unit RAS 18UAX4 T2 5 REFRIGERATION CYCLE DIAGRAM 5 1 RAS 24NKHD E4 RAS 24UAH E4 5 2 RAS 18NKHD E4 RAS 18UAH E4 5 3 RAS 24NKD E4 RAS 24UA ...

Страница 3: ...ty Part 9 6 Troubleshooting for Indoor Unit 9 7 Troubleshooting for Wiring Interconnect cable and Serial Signal Wire 9 9 Troubleshooting for P C Board 9 10 Troubleshooting for Remote Control 10 PARTS REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit RAS 24UAH E4 RAS 24UA E4 RAS 24UAX4 RAS 24UA AR4 RAS 24UAX3 T1 RAS 18UAX4 T2 10 3 Outdoor Unit RAS 18UAH E4 10 4 Outdoor Unit RAS 18UA E4 RAS 18UAX4 RAS ...

Страница 4: ...ype Flare connection Liquid side size mm 6 35 Interconnection Connection type Flare connection pipe Maximum length m 15 1 One way 25 2 Maximum height m 10 difference INDOOR UNIT RAS 24NKHD E4 RAS 24NKD E4 RAS 24NKDX4 RAS 24NKD AR4 RAS 24NKDX4 T Height mm 298 Dimensions Width mm 998 Depth mm 220 Net weight kg 14 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 900 Air volume...

Страница 5: ...ion Liquid side size mm 6 35 Interconnection Connection type Flare connection pipe Maximum length m 15 1 One way 20 2 Maximum height m 8 difference INDOOR UNIT RAS 18NKHD E4 RAS 18NKD E4 RAS 18NKDX4 RAS 18NKD AR4 RAS 18NKDX4 T2 Height mm 298 Dimensions Width mm 998 Depth mm 220 Net weight kg 14 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 750 800 750 900 Air volume Medi...

Страница 6: ... RAS 24UAX4 RAS 18NKDX4 RAS 18UAX4 RAS 24NKD AR4 RAS 24UA AR4 RAS 18NKD AR4 RAS 18UA AR4 RAS 24NKDX4 T RAS 24UAX3 T1 RAS 18NKDX4 T2 RAS 18UAX4 T2 1 No need to charge 15 m or less 15 m or less extra refrigerant 2 Need to charge Over 15 m up to 25 m 30 g m Over 15 m up to 20 m 20 g m extra refrigerant Temperature Condition JIS B8615 1 Cooling Heating Indoor unit inlet air temperature DB 27 C 20 C WB...

Страница 7: ...n pipe 0 49 m Flare 6 35 Drain hose 0 54 m 90 or more Minimum distance to ceiling 100 40 48 450 20 20 48 100 6 5 998 298 10 763 5 55 55 55 41 29 6 5 For stud bolt 6 For stud bolt 8 10 Installation Plate outline Outline of indoor unit Connection pipe 0 39 m For 24 series and RAS 18NKDX4 T2 Flare 15 88 For 18 series except RAS 18NKDX4 T2 Flare 12 7 Back body Front panel Grille inlet 298 75 7 51 Knoc...

Страница 8: ... 140 88 310 340 340 pitch 12 12 364 A 12x18 hole A Detail Drawing 25 Drain outlet 52 Handle Installation dimension 600 100 or more 100 or more 600 or more 600 or more Air outlet Air inlet Electric Parts cover Liquid side Flare 6 35 Gas side Flare 15 88 Service Port 600 340 23 68 Handle 4 12x18 for 8 10 anchor bolt 4 12x18 holes for 8 10 anchor bolt ...

Страница 9: ...cover Liquid side Flare 6 35 Gas side Flare 12 7 Installation dimension 100 or more Air inlet 600 or more 100 or more Air inlet Air outlet 600 or more 600 50 35 600 344 325 91 54 60 50 90 600 830 90 120 52 23 325 Handle 538 300 Service Port 4x 11x14 for 8 10 anchor bolt 8 6 holes for fixing outdoor unit 6 11x14 holes for 8 10 anchor bolt ...

Страница 10: ...5 125 R5 5 30 Drain outlet FAN GUARD 36 6 Hole 2 11x14 Hole For 8 10 anchor bolt 436 4x 11 Long holes For 8 10 anchor bolt 11x14 Hole 6 Hole 36 52 310 330 R15 270 600 90 780 62 COVER PV Electrical part cover Liquid side Flare 6 35 Gas side Flare 12 7 Service port 600 or more 100 or more 600 or more 100 or more 325 600 Air inlet Air outlet Installation dimension 120 75 5 4 B Z Z View ...

Страница 11: ...BRW RED RED RED BLK BLK BLK BRW BRW BRW BRW REW BLK BLK RED BRW BRW RED BRW BLU WHI BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU PNK YEL GRN RED BRW 3 1 2 INDOOR DISCHARGE PIPE SENSOR TD HEAT EXCHANGER SENSOR TE CN08 CN07 BLU BLU BLK BLK 1 1 2 3 3 1 1 2 3 3 i L N 3 1 2 i FERRITE CORE GRN YEL RED RED BLK BLK MAGNETIC CONTACTOR R A1 A2 52C U S V T W PNK WHI COMPRESSOR TERMINAL BLK S R C WHI BLK BLK COIL ...

Страница 12: ...BLK BLK RED RED BLK BLK BRW BRW BRW BRW REW BLK BLK RED BRW BRW RED BRW BLU WHI BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU PNK YEL GRN RED BRW DISCHARGE PIPE SENSOR TD HEAT EXCHANGER SENSOR TE CN08 CN07 BLU BLU BLK BLK 1 1 2 3 3 1 1 2 3 3 3 1 2 i L N 3 1 2 i FERRITE CORE GRN YEL RED RED BLK BLK MAGNETIC CONTACTOR R A1 A2 52C U S V T W PNK WHI COMPRESSOR TERMINAL BLK S R C WHI BLK BLK COIL FOR 4 WAY V...

Страница 13: ...ltage Power supply Micro SW 12 VDV 5 VDV Power supply circuit Fan motor Drive circuit Infrared reys receive and Indication parts CN07 CN13 CN25 CN34 CN33 WP 003 CN01 CN03 CN10 CN11 P04 YEL GRY BRW WHI BLK RED BLK BLK BLK BLK RED RED BLK BLK BRW BRW BRW BRW REW BLK BLK RED BRW BRW RED BRW BLU BLK RED WHI BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU PNK YEL GRN RED BRW i L N 3 1 2 i GRN YEL RED RED RED R...

Страница 14: ...1 CN03 CN10 CN11 Air purifier electrode High voltage Power supply Ion electrode Micro SW CN34 CN33 12 VCD 5 VCD 6 3A 250V BLK WHI RED GRN YEL YEL GRY BRW WHI BLK RED BLK BLK BLK BLK RED RED BLK BLK BRW BRW BRW BRW REW BLK BLK RED BRW BRW RED BRW BLU WHI BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU PNK YEL GRN RED BRW 3 1 2 INDOOR TERMINAL BLOCK INDOOR UNIT OUTDOOR UNIT i L N 3 1 2 i GRN YEL RED RED RED...

Страница 15: ...CN34 Micro SW CN13 CN25 Infrared rays receive and Indication parts P04 BLK DSA 6 3A 250V BLK WHI RED GRN YEL YEL GRY BRW WHI BLK RED BLK BLK BLK BLK RED RED RED BLK BLK BLK BRW BRW BRW BRW REW BLK BLK RED BRW BRW RED BRW BLU WHI BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU PNK YEL GRN RED BRW 3 1 2 i L N 3 1 2 i GRN YEL RED RED GRY RED BLK BLK BLK BLK GRN YEL CHASSIS POWER SUPPLY 220 240 V 50 Hz MAGNET...

Страница 16: ...A CN01 CN03 CN10 AC Fan motor TEMP FUSE CN27 CN31 CN30 Relay MAIN P C BOARD WP 003 Varistor F01 Varistor P04 BLK DSA 6 3A 250V BLK WHI RED GRN YEL CN11 YEL GRY BRW WHI BLK RED BLK BLK BLK BLK RED RED BLK BLK BRW BRW BRW BRW REW BLK BLK RED BRW BRW RED BRW BLU WHI BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU PNK YEL GRN RED BRW INDOOR TERMINAL BLOCK INDOOR UNIT i L N i GRN YEL RED RED RED RED BLK BLK CH...

Страница 17: ...P35EA12 Output Rated 2 W 10 poles 1 phase DC 12 V 4 1 Indoor Unit RAS 24NKHD E4 RAS 18NKHD E4 No Parts name Type Specifications Output Rated 2200 W 2 poles 1 phase 220 240 V 50 Hz 1 Compressor 2JS386D5BB02 Winding resistance Ω C R C S at 20 C 0 886 1 979 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz 2 Fan motor for outdoor KFG6 71SB5P T1 Winding resistance Ω Red Black White Black at 20 C 64 4 ...

Страница 18: ... 2TK5R6 5 6Ω 2 W 12 Louver motor MP35EA12 Output Rated 2 W 10 poles 1 phase DC 12 V 13 Relay RY04 G5NB 1A Coil DC 12V 16 7mA Contact AC 250V 1A No Parts name Type Specifications Output Rated 1500 W 2 poles 1 phase 220 240 V 50 Hz 1 Compressor 2JS350D5DA02 Winding resistance Ω C R C S at 20 C 0 981 2 845 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz 2 Fan motor for outdoor KFG6 71SB5P T3 Windin...

Страница 19: ... 13 2 10 3 Running capacitor 451355L AC 450 V 3 5µF for fan motor BUM44X4505B 4 5 Magnetic contactor A35 220 240 V 50 Hz Running capacitor for compressor SK42CMP60U1 S AC 450 V 3 5µF No Parts name Type Specifications Output Rated 2200 W 2 poles 1 phase 220 240V 50 Hz 1 Compressor PH400X3CS 4KTS1 Winding resistance Ω C R C S at 20 C 1 01 2 32 Output Rated 65 W 6 poles 1 phase 220 240V 50 Hz 2 Fan m...

Страница 20: ... 4 Running capacitor BUM44X4505B AC 440 V 45µF for compressor 5 Magnetic contactor CLK 26J 220 240 V 50 Hz No Parts name Type Specifications Output Rated 1500 W 2 poles 1 phase 220 240 V 50 Hz 1 Compressor PH340X3C 4KTS1 Winding resistance Ω C R C S at 20 C 1 23 2 58 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz 2 Fan motor for outdoor WLF 240 42B Winding resistance Ω Red Black White Black at ...

Страница 21: ...S at 20 C 1 71 3 09 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz 2 Fan motor for outdoor KFG6 71SB5P T Winding resistance Ω Red Black White Black at 20 C 64 4 127 4 3 Running capacitor 451355L AC 450 V 3 5µF for fan motor 4 Running capacitor BUM44X3505A AC 440 V 35µF for compressor 5 Magnetic contactor CLK 26J 220 240 V 50 Hz 4 9 Outdoor Unit RAS 18UAX4 T2 ...

Страница 22: ...35 24 Cooling High temperature 0 50 12 0 High 32 23 43 26 Low temperature 0 30 1 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T C Fan speed indoor 50 Hz Evaporator Indoor unit Cross flow fan Cooling Heating 4 way valve Heating Cooling Compressor Condenser Propeller fan Outdoor unit 2JS356D5BB02 Accumulator Cooling Heating Mark means check points of G...

Страница 23: ... 8x400 s Capillary tube 2 0x600 s 5 2 RAS 18NKHD E4 RAS 18UAH E4 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 Ambient temp conditions DB WB C Indoor Outdoor Standard 1 70 45 0 High 20 7 6 Heating High temperature 1 2 10 2 26 49 0 58 0 Low 27 24 18 Low temperature 1 20 34 ...

Страница 24: ... 1 0 Low 21 15 21 15 Fan speed indoor 50 Hz Standard pressure P MPaG Evaporator Indoor unit Cross flow fan Condenser Propeller fan Outdoor unit Cooling O D 15 88 mm O D 6 35 mm Cooling Gas container connection Reinstall etc Packed valve 6 35 Packed valve 15 88 0 39 m Connecting pipe 15 88 0 49 m Connecting pipe 6 35 T P Refrigerant R22 1 70 kg Mark means check points of Gas Leak Capillary tube 2 4...

Страница 25: ... 13 5 High 32 23 43 26 Low temperature 0 30 2 0 Low 21 15 21 15 Fan speed indoor 50 Hz Standard pressure P MPaG Indoor unit Cross flow fan Compressor Condenser Propeller fan Outdoor unit PH340X3C 4KT1 O D 12 7 mm O D 6 35 mm Packed valve 12 7 Packed valve 6 35 T P Refrigerant R22 1 17 kg Evaporator 0 39 m Connecting pipe 12 7 0 49 m Connecting pipe 6 35 Mark means check points of Gas Leak Capillar...

Страница 26: ...s check points of Gas Leak Capillary tube 2 0x1000 s Capillary tube 0 8x1200 s Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor Ambient temp conditions DB WB C Indoor Outdoor Standard 0 43 9 5 High 27 19 35 24 Cooling High temperature 0 48 15 7 High 32 23 52 31 Low temperature 0 30 2 0 Low 21 15 21 15 Fan speed indoor 50 Hz Standard pressure P MPaG Surface ...

Страница 27: ...50 Hz Standard pressure P MPaG Evaporator Indoor unit Cross flow fan Condenser Propeller fan Outdoor unit Cooling O D 15 88 mm O D 6 35 mm Cooling Gas container connection Reinstall etc Packed valve 6 35 Packed valve 15 88 0 39 m Connecting pipe 15 88 0 49 m Connecting pipe 6 35 T P Refrigerant R22 1 70 kg Mark means check points of Gas Leak Capillary tube 2 4 x 1400 s Surface temp of heat exchang...

Страница 28: ... 88 0 49 m Connecting pipe 6 35 Mark means check points of Gas Leak Capillary tube 2 0x800 s Accumulator Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor Ambient temp conditions DB WB C Indoor Outdoor Standard 0 56 10 0 High 27 19 35 24 Cooling High temperature 0 59 12 0 High 32 23 43 26 Low temperature 0 30 2 0 Low 21 15 21 15 Fan speed indoor 50 Hz Standa...

Страница 29: ...imer Serial Signal Communication Louver ON OFF Signal Louver Driver Serial Signal Transmitter Receiver Serial Signal Communication Operation Display Timer Display Filter Sign Display Indoor Fan Motor Hi Power Sign Display Louver Motor Infrared Rays Remote Control Temperature Processing Air Purifier Unit Micro Switch PAP Sign Display REMOTE CONTROL Operation Operation Remote Control Operation Mode ...

Страница 30: ...0 V AC 50 Hz For RAS 24NKPX4 T RAS 24UAX3 T1 RAS 18NKDX4 T2 RAS 18UAX4 T2 model M C U Functions Louver Control 3 minute Delay at Restart for Compressor Motor Revolution Control Processing Timer Louver ON OFF Signal Louver Driver Operation Display Timer Display Filter Sign Display Fan Only Sign Display Indoor Fan Motor Hi Power Sign Display Louver Motor Infrared Rays Remote Control Temperature Proc...

Страница 31: ...unit controller The indoor unit controller receives the operation commands from the remote control and executes them Temperature measurement at the air inlet of the indoor heat exchanger by the indoor temperature sensor Temperature 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 ...

Страница 32: ... marked with 1 are calculated and controlled by the difference in motor speed between M and L 7 2 2 Cooling operation MODE button on the remote control is set to the cooling operation 1 The compressor 4 way valve outdoor fan and operation display lamp are controlled as shown in Fig 7 2 2 Fig 7 2 2 2 When FAN button is set to AUTO the indoor fan motor operates as shown in Fig 7 2 3 When FAN button ...

Страница 33: ...wn in Fig 7 2 4 Fig 7 2 4 2 The microprocessor turns the compressor on and off at the regular intervals 4 to 6 minutes While the compressor is turning off the indoor fan motor operates in the SUPER LOW position The pattern of operation depending on the relation between room temperature and preset temperatures is shown in Fig 7 2 5 Fig 7 2 5 3 FAN button on the remote control is set to AUTO only 4 ...

Страница 34: ...EMPORARY button on the indoor unit is pushed the preset temperature is fixed at 24 C and the indoor unit is controlled as shown in Fig 7 2 9 Fig 7 2 9 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 Preset temperature 3 5 C A 4 A 4 A 8 A 8...

Страница 35: ...no 7 reset by RESET button on the indoor unit and Air Purifier will operate again after 1 hour Case no 7 reset by FILTER button on the remote control and Air Purifier will operate again after 1 hour Case no 7 can not reset by turning unit OFF and ON Case 1 2 3 4 1 4 2 4 3 5 6 7 8 9 Short timer is the function of the remote control that activates the setting for the sudden operation This function c...

Страница 36: ...Purifier is activated individually and the fan speed is set to LOW LOW MED MED or HIGH the speed revolution of the indoor fan will be constant In fact Plasma Air Purifier works continuously Moreover when the Plasma Air Purifier is activated individually and the fan speed is set to AUTO the speed revolution of the indoor fan and the operation of Plasma Air Purifier is shown as the fig 7 2 10 Fig 7 ...

Страница 37: ...ure 7 3 Hi PO 2 Cooling operation The setting temperature drops 3 C The value of the setting temperature on the remote control does not change If the room temperature is higher than the setting temperature by 3 5 C or more the horizontal louver moves to the Hi POWER position automatically Then when the room temperature is 1 C less than the setting temperature the horizontal louver returns automati...

Страница 38: ...5 min ofter operation C Zone If 2ºC Teo 10 C defrost will start when 7 6 2 Defrost finish condition 1 If Te 3 C at least 60 sec 4 way value on 2 If Te 8 C 4 way value on Timing Fig 7 6 2 Operation time 4 Loops Tt Td1 Td2 FILE NO SVM 05016 37 Teo Te 3 C at least 20 sec or 60 min after operation Td3 Td4 Finish time record Start time record Defrost time rate Td Tt x 100 Heating time rate Tt Td x Tt ...

Страница 39: ...o restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Push the TEMPORARY button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down While the filter check...

Страница 40: ... to turn off filter check lamp Press FILTER button on the remote control OR push TEMPORARY button on the indoor unit Note If TEMPORARY button is pushed while the filter check lamp is not indicating the indoor unit will start the Automatic Operation Operation Motions Push TEMPORARY button for more The unit is on standby than three seconds The unit starts to operate The orange lamp is on After appro...

Страница 41: ...nction 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 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 mo...

Страница 42: ...apacity 7 11 1 Cooling mode The fan speed of indoor unit operates automatically it relates with the compressor s operation Compressor s Operation Fan Speed ON L OFF SL The preset temperature will increase 1 C after the Comfort sleep mode has operated for 1 hour and automatically the temperature will increase another 1 C after the comfort sleep mode has operated for 2 hour The value of the preset t...

Страница 43: ...ght of the unit Personal injury and property damage can result if the unit falls Before doing the electrical work attach an approved plug to the power supply cord Also make sure the equipment is properly earthed Appliance shall be installed in accordance with national wiring regulations If you detect any damage do not install the unit Contact your TOSHIBA dealer immediately CAUTION Exposure of uni...

Страница 44: ...t of the compressor technical process following installation conditions do apply 1 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 2 No other equipment should be connected to this power line 3 For detailed ins...

Страница 45: ...tion plate Hook Hook Before installing the wireless remote control With the remote control cover open load the batteries supplied correctly observing their polarity 3 Batteries 2 Wireless remote control Cover 2 Wireless remote control 6 Plasma air purifier 5 Sasa Zeolite plus filter Shield pipe 18 Class Heat pump 24 Class 100 mm or more 600 mm or more 600 mm or more 600 mm or more 600 mm or more 6...

Страница 46: ... a strong wind Use 8 mm or 10 mm anchor bolts and nuts If it is necessary to drain the defrost water attach drain nipple 9 to the bottom plate of the outdoor unit before installing it Part Code A B C Q ty One each 1 One each Parts name Refrigerant piping Liquid side 6 35 mm Gas side 12 70 mm 18 series except RAS 18NKDX4 T2 RAS 18UAX4 T2 15 88 mm 24 series and RAS 18NKDX4 T2 RAS 18UAX4 T2 Pipe insu...

Страница 47: ... Part name Q ty Remote control holder x 1 Sasa Zeolite plus filter x 2 Plasma air purifier x 1 Part No 4 5 6 Part No 7 8 9 Others Name Owner s manual Installation manual Part name Q ty Mounting screw 4 x 25 x 8 l Pan head wood screw 3 1 x 16 x 2 l Drain nipple x 1 For Heat pump model only The part marked with asterisk is packaged with the outdoor unit ...

Страница 48: ...trol 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 Fig 8 4 1 5 m 5 m 45 45 75 7 m 7 m Top view Indoor unit Axial distance Reception range Reception range Remote control Indoor unit Remote control Side view 8 4 2 Cutting a hole and mounting in...

Страница 49: ...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 anchors for appropriate 7 mounting screws NOTE Secure four corners and lower parts of the installation plate with 6 to 7 mounting screws to install it Installation plate Keep horizontal direction 8 4 3 Electrical work 1 The supply voltage must b...

Страница 50: ...nnecting cable with the cord clamp 8 Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit Earth line Connecting cable Cord clamp Terminal block Screw Terminal cover Screw Air Inlet grille Front panel CAUTION 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 ...

Страница 51: ...n 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 piping and rear leftward piping bind the auxiliary pipes two only with facing tape Carefully arrange pipes so that any pipe does not stick out...

Страница 52: ...m Drain hose Shield pipe Extension drain hose Wall Drain guide Space for pipes Do not put the drain hose end in the drainage ditch Do not form the drain hose into a wavy shape Do not put the drain hose end into water Do not rise the drain hose 50 mm or more 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 2 ...

Страница 53: ...g wind like a coast or on a high story of a building secure the normal fan operation using a duct or a wind shield 3 Specially in windy area install the unit to prevent the admission of wind 4 Installation in the following places may result in trouble Do not install the unit in such places A place full of machine oil A saline place such as the coast A place full of sulfide gas A place where high f...

Страница 54: ...101 kPa 76 cmHg 5 Close the low pressure side valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both side of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Fig 8 5 6 Use a wrench to secure Unit N m Use a torque wrench to tighten Flare nut Half union Externally threaded side Internally threaded side Flar...

Страница 55: ...AX4 RAS 18NKDX4 RAS 18UAX4 RAS 24NKD AR4 RAS 24UA AR4 RAS 18NKD AR4 RAS 18UA AR4 RAS 24NKDX4 T RAS 24UAX3 T1 RAS 18NKDX4 T2 RAS 18UAX4 T2 No need to charge 15 m or less 15 m or less extra refrigerant Need to charge Over 15 m up to Over 15 m up to extra refrigerant 25 m 20 g m 20 m 20 g m A Hexagonal wrench is required Stripping length of connecting cable Fig 8 5 8 CAUTION Wrong wiring connection m...

Страница 56: ...mote control B is indicated on the liquid crystal display when setting remote control from A to B A is not indicated on the display even if the selector is set to A 1 Load the remote control with the batteries 2 Press the CHECK button using something with sharp point The preset temperature on the remote control changes to 00 3 Press the MODE button while pressing the CHECK button B is indicted at ...

Страница 57: ...s Indoor unit Valve stem cap connection TEMPORARY button D C A B 8 7 3 Auto restart setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure Information The product was shipped with Auto Restart function in the off position Turn it on as required How to set the auto restart Press and hold the TEMPORARY button...

Страница 58: ...r is turned on 8 The operation mode changes in the Automatic operation 9 The Fan only operation continues in the Automatic operation 10 The ECO operation or Hi POWER operation does not work 11 When Hi POWER button is pressed the display on the remote control does not change at all No Operation of air conditioner Descriptions The OPERATION lamp blinks to indicate that power is turned on If the butt...

Страница 59: ...Hz E OPERATION lamp is blinking 5 Hz F OPERATION and TIMER lamps are blinking 5 Hz G OPERATION TIMER and PRE DEF or FAN ONLY for cooling only model lamps are blinking Table 9 3 2 Diagnosis by detective operation The remote control does not work The outdoor fan does not rotate Turn off the power supply once then turn it on Try to operate the remote control The compressor operates The compressor doe...

Страница 60: ... no fault with a code the indoor unit will beep once Pi and the display of the remote control will change as follows Check the unit with all 52 check codes 00 to 33 as shown in Table 9 4 1 Press ON 8 or OFF 9 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 2 digits alphanumeric ...

Страница 61: ...m errors The lamp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is defected And it returns to the normal condition when recovering from errors The lamp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is detected 1 Check the indoor thermo sensor T...

Страница 62: ...ct crossover wires properly Connect connector properly Indoor P C board is defective Replace P C board Operation Check item Conceivable principle cause Measure Item by symptoms Does four way valve operate properly Does coil terminal have 220 240 V in heating operation Are circuit wires normal Is outdoor P C board normal Four way valve is defective Outdoor P C board is defective CN11 220 240 V Indo...

Страница 63: ...Outdoor P C board is defective Indoor P C board is defective Is TC sensor resistance value 10 kΩ at 25 C normal Failure 09 Other cycle error 1 Heat pump model 09 Other cycle error 2 Clean filters Replace TC sensor Charge refrigerant Replacd P C board Anti freezing operation Anti freezing operation Does indoor fan operate Are filters clogged Is charged amount of refrigerant normal Is outside air lo...

Страница 64: ...e Connect CN03 properly Replace TA sensor Replace P C board NO NO YES YES Is CN01 TC sensor connector connected properly Is TC sensor resistance value 10 kΩ at 25 C normal Indoor P C board is defective Connect CN01 properly Replace TC sensor Replace P C board NO NO YES YES Is TE sensor connector connected properly Is TE sensor resistance value 10 kΩ at 25 C normal Indoor P C board is defective Con...

Страница 65: ...mal Is TD sensor resistance value 50 kΩ at 25 C normal Are wires connected to connector properly Outdoor P C board is defective Connect wires to connector properly Check and modify charged amount of refrigerant Unit operates normally Replace TD sensor Replace P C board NO NO YES YES Is TD sensor connected properly Is TD sensor resistance value 50 kΩ at 25 C normal Outdoor P C board is defective Co...

Страница 66: ...s signal transmitted properly Remote control is defective Refer to 9 9 Ò Troubleshooting for Remote Control Ó Parts R21 R22 SG01 C01 DB01 C02 M01 and IC04 are defective Is fuse F01 of indoor control board blown Is voltage DC 12V or 5V indicated on rear of indoor control board normal Microcomputer is defective Replace main P C board Is DC 310 340V across C63 Are DC 12V across C66 Turn off breaker o...

Страница 67: ...ising cause of incompleted connecting Shut off the power supply Turn on the power supply Does the fan speed become higher Operation stops Motor control circuit failure IC30 IC03 D38 R25 R26 Q17 or 12V power circuit failure Replace the P C board Is the rotation signal DC 5V 0V output between 2 gray lead wire and 3 brown lead wire of the motor connector CN11 when rotating the cross flow fan by hand ...

Страница 68: ...possible to detect AC 220 240V between 2 and 3 on terminal block Are all of compressor cords normal Is compressor motor winding normal Check winding resistor Is capacitor for compressor normal Is overload relay normal Does compressor start Does compressor stop after a while Is gas quantity normal Check gas pressure Compressor is defective NO YES YES YES Replace P C board Gas shortage Gas leak Comp...

Страница 69: ...r winding normal Check winding resistor NO Compressor is defective YES Replace compressor Is capacitor for compressor normal NO Capacitor is defective Is it possible to detect AC 200V between 2 and 3 on terminal block Is crossover cable normal YES Is overload relay normal Does compressor start Does compressor stop after a while Is gas quantity normal Check gas pressure Compressor is defective Repl...

Страница 70: ... 69 Inspection procedure Heating model Replace transformer FILE NO SVM 05016 AC 70 100V outdoor P C board ...

Страница 71: ... compressor motor winding normal Check winding resistor Is gas quantity normal Check gas pressure Is capacitor for compressor normal Is overload relay normal Does compressor start Does compressor stop after a while Replace compressor Compressor is defective Compressor is defective NO Capacitor is defective NO Overload relay is defective NO Compressor is defective NO Gas shortage Gas leak FILE NO S...

Страница 72: ...es or more to restart the unit 2 1 3 Terminal block on indoor side Terminal block Tester Red White 2 The outdoor unit stops once it would not operate until the power is turned on again 3 The outdoor unit stops between 10 minutes to 1 hour after starting and a check code is indicated on the remote control Check code 03 1E Refer to Table 9 4 1 Measure gas pressure Gas shortage Pipe clogging Compress...

Страница 73: ...ote control is in status which is shortened by time on the reactivation preventive timer and all display lamps go on for approx 3 seconds when a signal is received If time on the reactivation preventive timer is not shortened the high voltage is not applied to electrode of the air purifier for approx 1 hour While the air purifier operates check that the fan speed AUTO is not displayed Because the ...

Страница 74: ...rring to the right figure check the high voltage output of the air ionizer In this time peel the thermal insulator and attach it to the original position after check operation NOTE Use an exclusive high voltage tester otherwise the tester may be broken Does the plasma lamp go off within 2 seconds after it was ON and does the filter lamp Orange go on Does the indoor fan rotate Micro switch is stuck...

Страница 75: ...d control circuit C P U and peripheral circuits buzzer drive circuit and buzzer b Infrared rays parts Infrared rays receiving circuit Check the defects of the P C board with Table 9 8 1 Table 9 9 1 Inspection procedure No Procedure Check points Causes Impluse voltage was applied or the indoor fan motor short circuited 1 The terminal block or the crossover cable is connected wrongly 2 The capacitor...

Страница 76: ...extremely high 2 The connector of the heat exchanger sensor short circuited CN01 3 The heat exchanger sensor and the P C board are defective Refer to Table 9 8 2 4 The main P C board is defective 1 The indoor fan motor is defective Protected operation of P C board 2 The connection of the motor connector is loose 3 The P C board is defective 1 Check whether or not the compressor operates 2 Check wh...

Страница 77: ...ontrol is defective Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote control when a signal is transmitted at distance of 5 cm from radio P C board is defective Keep indoor unit away from thyristor fluorescent light Avoid direct sunlight Replace P C board Replace batteries Normal operation Replace remote control The unit does not beep at all OPE...

Страница 78: ...shing the 3 places the surface of the front panel may be covered with frost and have dewdrops Open the horizontal grille right below by hand 5 body by pulling it toward you Pull the lower side of the front panel toward you 6 until it touches the horizontal grille to remove it 1 Remove the front panel with the procedure 1 2 Remove the screw fixing the electrical part box 3 Remove the drain guide 4 ...

Страница 79: ...t exchanger with procedure 4 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 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...

Страница 80: ...om the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 10L 3 Disconnect the lead wires from the terminal 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 10L 3 Disconnect the housing from the P C Board 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 1 Perform...

Страница 81: ...ect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 2 screw 4 x 16L 3 Disconnect the lead wires from the terminal 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 10L 3 Disconnect the housing ...

Страница 82: ...Remove the capacitor band 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 10L 3 Disconnect the lead wires from the terminal 1 Perform the common procedure 1 2 Remove the fix...

Страница 83: ...NGER RAS 24NKD AR4 RAS 24NKDX4 404 43T69005 SENSOR THERMOSTAT 43T69456 PC BOARD FOR RAS 18NKHD E4 405 43T69482 PC BOARD ASSY WRS LED MCC 819 43T69457 PC BOARD FOR RAS 18NKD E4 406 43T62003 CORD CLAMP 411 43T69454 PC BOARD FOR RAS 24NKHD E4 Description Description RAS 24NKDX4 T RAS 18NKD AR4 RAS 18NKDX4 43T69458 PC BOARD FOR RAS 18NKDX4 T2 407 43T62003 CLAMP CORD 407 43T60355 POWER CORD 411 411 411...

Страница 84: ...3012 Hide Claw 210 43T09345 Louver H 211 43T70301 Hose ASSY Drain 212 43T21302 Motor Stepping 213 43T44310 Refrigeration Cycle ASSY For 24 Series 213 43T44311 Refrigeration Cycle ASSY For 18 Series 214 43T47311 Pipe Deliver 215 43T47016 Pipe Suction 216 43T49010 Pipe Shield 217 43T19003 Holder Sensor 218 43T49009 Spring 219 43T49036 Plate EVA Seal 220 43T49039 Holder Plate EVA Seal 221 43T49038 Pl...

Страница 85: ...7 43T60325 Filter Clamp 18 43T41343 Compressor 2JS386D5BB02 19 43T62014 Protector Cord 20 43T62015 Protector Cord Location Part Description No No 23 43T49309 Rubber Cushion 24 43T21315 Motor Fan AC 220 240V 50 Hz 25 43T20301 Fan Propeller 491 26 43T96001 Bushing 27 43T96004 Bushing Cord 28 43T62013 Cover E Parts 29 43T52305 Magnetic Contactor 30 43T55323 MF Capacitor 60µF 440 V 31 43T55321 MF Capa...

Страница 86: ...t 6 35 Dia 17 43T46019 Valve Packed 12 7 Dia 18 43T47333 Bonnet 12 7 Dia 19 43T47309 Capillary Tube 0 8 Dia Location Part Description No No 23 43T49309 Cushion Rubber 24 43T55322 MF Capacitor 45µF 440V 25 43T55324 Capacitor Plastic film 26 43T60324 Terminal Block 6P 27 43T41341 Compressor 2JS350D5DA02 28 43T52302 Magnetic Contactor 29 43T46319 Valve 4way 30 43T46330 Coil V 4WAY AC220 240V 50Hz 31 ...

Страница 87: ...alve Packed 6 35 Dia 13 43T47334 Bonnet 15 88 Dia 14 43T47331 Bonnet 6 35 Dia 16 43T60324 Terminal Block 6P 18 43T41370 PH400X3CS 4KT1 19 43T62014 Protector Cord 20 43T62015 Protector Cord Location Part Description No No 23 43T49316 Rubber Cushion 24 43T21314 Motor Fan AC 220 240 V 50Hz 25 43T20301 Fan Propeller 491 26 43T96001 Bushing 27 43T96004 Bushing Cord 28 43T62013 Cover E Parts 29 43T52305...

Страница 88: ...34 Bonnet 15 88 Dia 14 43T47331 Bonnet 6 35 Dia 16 43T60324 Terminal Block 6P 18 43T41374 Compressor PH400X3CS 4KTS1 19 43T62014 Protector Cord 20 43T62015 Protector Cord Location Part Description No No 23 43T49316 Rubber Cushion 24 43T21316 Motor Fan AC220 240 V 50 Hz 25 43T20301 Fan Propeller 491 26 43T96001 Bushing 27 43T96004 Bushing Cord 28 43T62013 Cover E Parts 29 30 43T52305 Magnetic Conta...

Страница 89: ...Dia 13 43T47334 Bonnet 15 88 Dia 14 43T47331 Bonnet 6 35 Dia 15 43T47013 Capillary Tube 2 0 Dia 16 43T60324 Terminal Block 6P 18 43T41369 PH290X2C 4FT1 19 43T62014 Protector Cord 20 43T62015 Protector Cord Location Part Description No No 23 43T49008 Rubber Cushion 24 43T21314 Motor Fan AC220 240 V 50 Hz 25 43T20301 Fan Propeller 491 26 43T96001 Bushing 27 43T96004 Bushing Cord 28 43T62013 Cover E ...

Страница 90: ...denser Assembly 10 43T46308 Valve Packed 6 35 Dia 12 43T47331 Bonnet 6 35 Dia 16 43T41371 Compressor PH340X3C 4KT1 13 43T47333 Bonnet 12 7 Dia 18 43T49008 Rubber Cushion 19 43T52310 Packed Valve Cover Assembly 21 43T55322 MF Capacitor 45µ F 440 V 23 43T60352 Terminal Block 6P 27 43T52302 Magnetic Contactor 28 43T33002 Location Part Description 04 43T09318 Guard Fan 14 43T63303 Fixing Plate Valve 1...

Страница 91: ...Location Part Description No No 11 43T46019 Valve Packed 12 7 Dia 18 43T47333 Bonnet 12 7 Dia 14 43T63303 Fixing Plate Valve 15 43T47013 Capillary Tube 2 0 Dia 18 43T49008 Rubber Cushion 21 43T55326 MF Capacitor 50µF 440 V 23 43T60352 Terminal Block 6P 16 43T41372 Compressor PH340X3C 4KTS1 27 43T52302 Magnetic Contactor 22 43T55324 Capacitor Plastic Film 28 43T33002 Spark Killer 11 9 Outdoor Unit ...

Страница 92: ... 87 FILE NO SVM 03010 1 TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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