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FILE NO. SVM-0

6010

8-3-2. Accessory and installation parts

Part

No.

Part name (Q'ty)

Installation plate x 1

Wireless remote control x 1

Battery x 2

Part name (Q'ty)

Remote control holder x 1

Sasa-Zeolite plus filter x 2

Plasma air purifier x 1

Part

No.

Part

No.

Others

Name

Owner’s manual

Installation manual

Part name (Q'ty)

Mounting screw

∅

4 x 25 x 8

Pan head wood screw

∅

3.1 x 16 x 2

Drain nipple * x 1

(For Heat pump model only)

The part marked with asterisk (*) is packaged with the

outdoor unit.

Содержание RAS-18N2AX-T

Страница 1: ...FILE NO SVM 06010 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE June 2006 RAS 24NKHD E5 RAS 24NAH E RAS 18NKDX5 T RAS 18N2AX T RAS 24NKDX5 T RAS 24N2AX T ...

Страница 2: ... 4 Outdoor Unit RAS 18N2AX T 5 REFRIGERATION CYCLE DIAGRAM 5 1 RAS 24NKHD E5 RAS 24NAH E 5 2 RAS 24NKDX5 T RAS 24N2AX T 5 3 RAS 18NKDX5 T RAS 18N2AX T 6 CONTROL BLOCK DIAGRAM 6 1 RAS 24NKHD E5 6 2 RAS 18 24NKDX5 T 1 4 4 Outdoor Unit RAS 24N2AX T 7 10 QUIET Mode 7 OPERA 7 11 COMFORT SLEEP mode TION DESCRIPTION 7 1 Outline of Air Conditioner Control 7 2 Description of Operation Circuit 7 3 Hi POWER ...

Страница 3: ...Primary Judgement 9 4 Self Diagnosis by Remote Control Check Code 9 5 How to Diagnose Faulty 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 10 PARTS REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy 1...

Страница 4: ...Maximum length m 15 1 One way 25 2 Maximum height INDOOR UNIT RAS 24NKHD E5 RAS 18NKDX5 T RAS 24NKDX5 T Height mm 298 Dimensions Width mm 998 Depth mm 220 Net weight kg 13 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 1050 1050 1050 Air volume Medium fan m3 h 830 900 975 Low fan m3 h 625 667 667 Fan motor output W 30 Air filter Honeycomb woven filter with PP frame OUTDOO...

Страница 5: ...ng Heating Indoor unit inlet air temperature DB 27 C 20 C WB 19 C 15 C Outdoor unit inlet air temperature DB 35 C 7 C WB 24 C 6 C Refrigerant RAS 24NKHD E5 RAS 24NAH E RAS 18NKDX5 T RAS 18N2AX T RAS 24NKDX5 T RAS 24N2AX T 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 4 ...

Страница 6: ...19 163 Wireless remote control Connection 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 Flare 15 88 Back body Front panel Grille inlet 298 75 7 51 Knock out system ...

Страница 7: ...hole 28 321 86 A 124 109 600 or more Air out let 321 600 Air inlet 4xØ11 Long holes For Ø8 Ø10 anchor bolt Gas side Flare Ø 15 88 Liquid side Flare Ø 6 35 90 600 90 69 342 321 Z 50 36 R15 B Detail Drawing Front leg Ø 436 FAN GUARD 715 290 275 600 or more 84 129 5 4 Electrical part cover 321 307 100 or more 100 or more Installation dimension 2 2 Outdoor Unit FILE NO SVM 06010 6 ...

Страница 8: ...YE LLOW BLU BLUE BLK BLACK GR Y GR AY OR N OR ANGE GR N GR E E N PNK PINK GR N YE L GR E E N YE LLOW 4 5 S erial S ignal circuit MAIN P C BOAR D WP 008 3 2 1 CN30 FAN MOTOR DC MOTOR CN10 sensor TA Thermo TC sensor Heat exchanger B LK B LK B LK B LK CN03 CN01 1 2 2 1 2 1 2 1 WP 008 electrode Air purifier electrode Ion B LK B LK R E D R E D BLK 5V 12V B 12V A Power supply High voltage BLK BR W R E D...

Страница 9: ... 9 10 10 CN34 2 1 1 2 1 1 2 2 4 3 3 4 BR W BLU Micro S W BR W BR W BR W R E D CN34 B R W B R W R E D BR W BLK High voltage Power supply 12V A 12V B 5V BLK R E D B LK R E D B LK Ion electrode Air purifier electrode WP 008 1 2 1 2 1 2 2 1 CN01 CN03 B LK B LK B LK B LK Heat exchanger sensor TC Thermo TA sensor CN10 DC MOTOR FAN MOTOR R elay CN30 1 2 3 1 1 3 3 MAIN P C BOAR D BLK P04 Varistor DS A F01...

Страница 10: ... 7 8 8 9 9 10 10 CN34 2 1 1 2 1 1 2 2 4 3 3 4 BR W BLU Micro S W BR W BR W BR W R E D CN34 B R W B R W R E D BR W BLK High voltage Power supply 12V A 12V B 5V BLK R E D B LK R E D B LK Ion electrode Air purifier electrode WP 008 1 2 1 2 1 2 2 1 CN01 CN03 B LK B LK B LK B LK Heat exchanger sensor TC Thermo TA sensor CN10 DC MOTOR FAN MOTOR R elay CN30 1 2 3 1 1 3 3 MAIN P C BOAR D BLK P04 Varistor ...

Страница 11: ...TD 10 kΩ at 25 C 50 kΩ at 25 C 7 Magnetic contactor A35 220 240 V 50 Hz 8 Transformer TT 05 220 240 V 9 Microcontroller TMP47C840N 10 Varistor R73 R74 R86 15G471K 470 V 11 Fuse F01 MT3 T6 3 A 250 V No Parts name Type Specifications 1 Fan motor for indoor ICF 340 30 2 DC 310 340V 30W 2 Thermo sensor TA sensor 10 kΩ at 25 C 3 Switchins transformer T01 SWT 77 Output DC 7V 12Va and 12Vb 4 Microcontrol...

Страница 12: ...5L AC 450 V 3 0µF for fan motor 4 Running capacitor RA44B356U0215S AC 440 V 35µF for compressor 5 Magnetic contactor CLK 26J 220 240 V 50 Hz 11 No Parts name Type Specifications Output Rated 2200 W 2 poles 1 phase 220 240V 50 Hz 1 Compressor PH400X3CS 4KT1 Winding resistance Ω C R C S at 20 C Output Rated 42 W 4 poles 1 phase 220 240V 50 Hz Winding resistance Ω Red Black White Black 2 Fan motor fo...

Страница 13: ...ling High temperature 0 53 15 7 High 32 23 43 26 Low temperature 0 34 1 4 Low 21 15 21 15 Standar d pressure P MPaG Surface temp of heat exchang er inter changing 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 PH400X3CS 4KT1 Accumulator Cooling Heating Mark means check points of Gas L...

Страница 14: ...ed valve 6 35 Packed valve 1 5 88 0 39 m Connecting pipe 1 5 88 0 49 m Connecting pipe 6 35 T P Refrigerant R22 1 68 kg Mark means check points of Gas Leak Capillary tube 2 4x700 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 46 10 4 High 27 19 35 24 Cooling High temperature 0 56 13 8 High 32 23 43...

Страница 15: ... 49 m Connecting pipe 6 35 Mark means check points of Gas Leak Capillary tube 2 0x1000 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 52 11 0 High 27 19 35 24 Cooling High temperature 0 62 14 7 High 32 23 43 26 Low temperature 0 38 3 0 Low 21 15 21 15 Fan speed indoor 50 Hz Standard p...

Страница 16: ... Infrared Rays Signal Receiver Initiallizing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Noise Filter From Outdoor Unit 220 240 V AC 50 Hz M C U Functions Louver Control 3 minute Delay at Restart for Compressor Motor Revolution Control Processing Timer Serial Signal Communication Louver ON OFF Signal Louver Driver Serial Signal Transmitter Receiver Serial Signal Communication O...

Страница 17: ...iver Indoor Unit Control Panel Temperature Sensor Infrared Rays Signal Receiver Initiallizing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Noise Filter From Outdoor Unit 220 240 V AC 50 Hz 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...

Страница 18: ...mands from the indoor unit and operates the outdoor fan motor and the compressor 1 Role of indoor unit controller The indoor unit controller receives the operation commands from the remote control and executes them 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 Louv...

Страница 19: ...ked 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 is s...

Страница 20: ...n 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 The ...

Страница 21: ...r mode is selected 2 Temporary Auto 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 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 temper...

Страница 22: ...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 23: ...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 24: ...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 25: ...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 24 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 26: ...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 27: ... 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 28: ...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 29: ...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 30: ...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 unit to...

Страница 31: ... 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 install...

Страница 32: ...lt the indoor unit for better operation get slack Make sure to run the drain hose sloped downward Cut the piping hole sloped slightly 100 mm or more 170 mm or more 170 mm or more 1 Installation 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 ...

Страница 33: ...d nuts if the unit is likely to be exposed to 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 Fig 8 3 1 Air inlet Air outlet Drain outlet 600 mm 90 mm 124 mm 109 mm 28 mm 86 mm 116 mm 321 mm 2 5 Æ B C 1 One each Pipe insulating mater polyethylene foam 6 mm thick Pu...

Страница 34: ... 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 35: ...t 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 installation p...

Страница 36: ...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 mounting screws 7 NOTE Secure four corners and lower parts of the installation plate with 6 to 8 mounting screws to install it Installation plate Keep horizontal direction 8 4 3 Electrical work 1 The supply voltage must be t...

Страница 37: ...ting 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 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 Fig 8 4 6 Stripping length of con...

Страница 38: ...e 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 of ...

Страница 39: ...in 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 Swing...

Страница 40: ...e 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 frequency waves are likely to be generated as from audio equipment welders and medical equipment Fig 8 5 1 Strong wind 8 5 2 Refrigerant piping connection 1 Cut the pipe with a pipe cutter Fig 8 5 2 2 Insert a flare nut into the pipe and flare the pip...

Страница 41: ...uge reading is 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 thr...

Страница 42: ...kgf m Gas side Service port 9 to 10 N m 0 9 to 1 0 kgf m A Hexagonal wrench is required Stripping length of connecting cable Fig 8 5 8 CAUTION 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 Every wire must be connected firmly NOTE Connecting cable Wire type M...

Страница 43: ...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 44: ...y 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 for about 3 seconds After 3 seconds the electronic beeper makes three short beeps to tell you the Auto Restart has been selected To cancel the Auto Restart follow the steps ...

Страница 45: ...ontrol is operated in the Dry operation 5 The compressor is not turned on even though the room temperature is in the range that the compressor is turned on 6 The operation mode changes in the Automatic operation 7 The Fan only operation continues in the Automatic operation 8 The ECO operation or Hi POWER operation does not work 9 When Hi POWER button is pressed the display on the remote control do...

Страница 46: ...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 47: ... 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 48: ...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 49: ...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 50: ...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 51: ...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 52: ...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 53: ... signal transmitted properly Remote control is defective Refer to 9 9 Remote Control Parts R10 C01 DB01 or C02 C03 IC01 are defective Is fuse F01 of indoor control board blown Is voltage DC 12V or 5V indicated on rear of indoor control board normal Microconlroler defective Replace main P C board Is DC 310 340V across C03 Are DC 12V across C27 Turn off breaker once and turn it on again after removi...

Страница 54: ...ssible to detect the power supply voltage 200 240 V between 1 and 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 ...

Страница 55: ...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 56: ...f compressor motor windining normal 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 Replace ...

Страница 57: ... 56 Inspection procedure Heating model Replace transformer FILE NO SVM 06010 AC 70 100V outdoor P C board CN06 of transformer ...

Страница 58: ... 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 59: ...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 60: ...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 61: ...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 62: ... and 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 capaci...

Страница 63: ...r is 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 Che...

Страница 64: ...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 65: ...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 66: ...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 67: ... and 1 ground screw on the electrical parts base 1 Common procedure No Part name Procedures Remarks Front cabinet Side cabinet 2 Remove the packed valve cover and the electrical parts cover 2 screws 4 x 10L 4 Remove the top cabinet 7 screws 4 x 10L Pulling out upward 5 Remove the top cabinet 2 screws 4 x 10L Pull the front right portion toward you and remove it pulling out upward Top cabinet Front...

Страница 68: ... from the terminal 2 Running capacitor for compressor 3 Running capacitor for fan motor 4 Magnetic contactor 5 Spark killer Cooling only model Spark killer Running capacitor for compressor Running capacitor for fan motor Magnetic contactor Cooling only model Procedures Remarks Part name No Heat pump model 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 10L 3 Disconnect the ...

Страница 69: ... BLOCK 3P 411 43T69537 PC BOARD FOR RAS 18NKDX5 T 403 43T50004 SENSOR HEAT EXCHANGER 411 43T69538 PC BOARD FOR RAS 24NKDX5 T 404 43T50314 SENSOR THERMOSTAT 411 43T69539 PC BOARD FOR RAS 24NKHD E5 405 43T69482 PC BOARD ASSY WRS LED 412 43T51307 MICRO SWITCH 407 43T62003 CORD CLAMP 413 43T63310 SENSOR HOLDER Description Description 411 407 412 413 ...

Страница 70: ...0301 HOSE ASSY DRAIN 230 43T03343 BACK BODY ASSY 212 43T21367 STEPPING MOTOR FOR RAS 24NKHD E5 213 43T44310 REFRIGERATION CYCLE ASSY 231 43T07022 HOLDER PIPE FOR RAS 24NKHD E5 232 43T82007 PLATE INSTALLATION 213 43T44372 REFRIGERATION CYCLE ASSY 234 43T69402 WIRELESS REMOCON FOR RAS 18 24NKDX5 T FOR RAS 24NKHD E5 214 43T47311 PIPE DELIVERY 234 43T69403 WIRELESS REMOCON 215 43T47016 PIPE SUCTION FO...

Страница 71: ...35 DIA 31 43T55333 MF CAPACITOR 10 43T46338 VALVE PACKED 15 88 DIA 32 43T60352 TERMINAL BLOCK 6P 11 43T47331 BONNET 6 35 DIA 35 43T19331 FIN GUARD 12 43T47334 BONNET 15 88 DIA 36 43T00456 UPPER FRONT CABINET A 13 43T47013 CAPILLARY TUBE 2 0 DIA 37 43T00457 UPPER FRONT CABINET B 14 43T00449 FRONT CABINET 38 43T71301 HANDLE 15 43T00453 LEFT CABINET 39 43T46337 4 WAY VALVE 16 43T00454 RIGHT CABINET 4...

Страница 72: ...VALVE 26 43T96304 BUSHING 9 43T46308 VALVE PACKED 6 35 DIA 27 43T62325 ELECTRIC PART COVER 10 43T46338 VALVE PACKED 15 88 DIA 28 43T61306 ELECTRIC PARTS BASE 11 43T47331 BONNET 6 35 DIA 29 43T52305 MAGNETIC CONTACTOR 12 43T47334 BONNET 15 88 DIA 30 43T55340 MF CAPACITOR 13 43T47013 CAPILLARY TUBE 2 0 DIA 31 43T55341 CAPACITOR PLASTIC FILM 14 43T00449 FRONT CABINET 32 43T60352 TERMINAL BLOCK 6P 15 ...

Страница 73: ...IXING PLATE VALVE 27 43T62325 ELECTRIC PART COVER 9 43T46308 VALVE PACKED 6 35 DIA 28 43T61306 ELECTRIC PARTS BASE 10 43T46338 VALVE PACKED 15 88 DIA 29 43T52302 MAGNETIC CONTACTOR 11 43T47331 BONNET 6 35 DIA AC220 240V 50Hz 12 43T47334 BONNET 15 88 DIA 30 43T55337 MF CAPACITOR 13 43T47013 CAPILLARY TUBE 2 0 DIA 31 43T55341 CAPACITOR PLASTIC FILM 14 43T00449 FRONT CABINET 32 43T60352 TERMINAL BLOC...

Страница 74: ... 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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