Toshiba RAS-10N2A-HX, Service Manual

Page 1: ... 06001 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS 13NKHP E2 RAS 13N2AH E RAS 13NKP E2 RAS 13N2A E RAS 13NKPX RAS 13N2AX RAS 12NKPX V RAS 12NAX V May 2006 RAS 13NKP HX RAS 13N2A HX RAS 10NKP HX RAS 10N2A HX ...

Page 2: ...NKP HX RAS 10N2A HX 6 CONTROL BLOCK DIAGRAM 6 1 RAS 13NKHP E2 RAS 13N2AH E 6 2 RAS 13NKP E2 RAS 13N2A E RAS 13NKPX RAS 13N2AX 2 2 Outdoor Unit 3 3 RAS 13NKPX RAS 13N2AX 4 6 Outdoor Unit RAS 10N2A HX FILE NO SVM 06001 3 4 7 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 ...

Page 3: ...eshooting Flowcharts 9 6 Troubleshooting for Remote Control 10 PART REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy for RAS 13NKHP E2 11 2 Indoor Unit E Parts Assy for RAS 13NKP E2 11 6 Outdoor Unit RAS 13N2AH E 11 7 Outdoor Unit RAS 13N2A E RAS 13N2AX RAS 12NAX V FILE NO SVM 06001 11 3 Indoor Unit E Parts Assy for RAS 13NKPX RAS 12NKPX...

Page 4: ...tion pipe Maximum length 1 One way Maximum height difference INDOOR UNIT RAS 13NKHP E2 Height mm 275 Dimensions Width mm 790 Depth mm 218 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 630 650 Air flow volume Medium fan m3 h 520 550 Low fan m3 h 430 490 Fan motor output W 20 Air filter Honeycomb woven filter with PP frame OUTDOOR UNIT RAS 13N2AH E Height ...

Page 5: ... 35 Interconnection Connection type Flare connection pipe Maximum length 1 One way Maximum height difference INDOOR UNIT RAS 13NKP E2 RAS 13NKPX RAS 12NKPX V Height mm 275 Dimensions Width mm 790 Depth mm 218 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 630 Air flow volume Medium fan m3 h 520 Low fan m3 h 430 Fan motor output W 20 Air filter Honeycomb w...

Page 6: ...re connection pipe Maximum length m 15 1 10 1 One way Maximum height m 6 5 difference INDOOR UNIT RAS 13NKP HX RAS 10NKP HX Height mm 275 Dimensions Width mm 790 Depth mm 218 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 630 610 Air flow volume Medium fan m3 h 520 460 Low fan m3 h 430 340 Fan motor output W 20 Air filter Honeycomb woven filter with PP fr...

Page 7: ...erature conditions Note 2 Temperature Condition JIS B8615 1 Cooling 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 FILE NO SVM 06001 1 No need to charge extra refrigerant ...

Page 8: ...r Hanger Hanger Hanger Drain hose 0 54m Connecting pipe 0 43m Flare 6 35 For stud bolt 8 10 For stud bolt 6 Installation plate outline Center line Minimum distance to ceiling 170 or more Minimum distance to ceiling 170 or more 65 or more Minimum distance to ceiling Wireless remote control 57 18 160 6 64 60 60 48 6 218 48 53 Knock out system Front panel Knock out system Heat exchanger Air filter Ai...

Page 9: ...6 4 x 11 Long holes For 8 10 anchor bolt 11 x 14 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 9 52 10 Series Gas side Flare 12 7 12 13 Series Service port 600 or more 12 13 Series A 600 mm 400 mm B 100 mm 45 mm 10 Series B or more A or more 100 or more 325 600 Air inlet Air outlet Installation dimension 120 75 5 4 B Z ZView FI...

Page 10: ...RY01 BLK 4 3 FUSE F01 73 Cx2 CN04 THERMAL FUSE R21 VARISTOR C01 1 2 3 1 2 3 3 1 3 1 5 5 CN11 CN10 BRW RED WHI YEL GRY BLK C15 IC03 CR03 C02 DB01 C63 R319 DC12V CN14 CN07 5 4 3 2 1 5 4 3 2 1 INFRARED RAYS RECEIVE AND INDICATION PARTS CN25 PNK L01 BLU BLU BLU BLU BLU BLU WHI YEL YEL YEL YEL WHI AC FAN MOTOR BLU BLU BLU BLU R27 PNK 1 1 2 2 3 3 4 4 5 5 6 6 150 C R26 R25 BLK BLK BLK BLK Louver Motor 1 ...

Page 11: ...1 2 1 2 1 2 WHI YEL YEL YEL YEL 2 1 4 3 Heat Exchanger Sensor TC Thermo Sensor TA CN31 BLU CN14 CN25 BLU Infrared rays receiver and indication parts L N BLU BLU BLU BLU BLU BLU BLU BLU WHI 1 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 BLK WHI GRN YEL INDOOR TERMINAL BLOCK OUTDOOR INDOOR 3 2 RAS 13NKP E RAS 13N2A E OUTDOOR TERMINAL BLOCK 1 L 2 N...

Page 12: ...1 2 1 2 1 2 1 2 WHI YEL YEL YEL YEL 2 1 4 3 PNK TEMP FUSE Heat Exchanger Sensor TC Thermo Sensor TA 73 C PNK CN31 BLU CN14 CN25 BLU Infrared rays receiver and indication parts BLU BLU BLU BLU BLU BLU BLU BLU WHI 1 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 BLK WHI GRN YEL INDOOR TERMINAL BLOCK OUTDOOR INDOOR 3 3 RAS 13NKPX RAS 13N2AX GRN YEL B...

Page 13: ... 1 2 1 2 1 2 1 2 WHI YEL YEL YEL YEL 2 1 4 3 PNK TEMP FUSE Heat Exchanger Sensor TC Thermo Sensor TA 73 C PNK CN31 BLU CN14 CN25 BLU Infrared rays receiver and indication parts BLU BLU BLU BLU BLU BLU BLU BLU WHI 1 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 BLK WHI GRN YEL INDOOR TERMINAL BLOCK OUTDOOR INDOOR 3 4 RAS 13NKP HX RAS 13N2A HX GRN ...

Page 14: ... 1 2 1 2 1 2 1 2 WHI YEL YEL YEL YEL 2 1 4 3 PNK TEMP FUSE Heat Exchanger Sensor TC Thermo Sensor TA 73 C PNK CN31 BLU CN14 CN25 BLU Infrared rays receiver and indication parts BLU BLU BLU BLU BLU BLU BLU BLU WHI 1 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 BLK WHI GRN YEL INDOOR TERMINAL BLOCK OUTDOOR INDOOR 3 5 RAS 10NKP HX RAS 10N2A HX GRN ...

Page 15: ...stor R319 RF 2TK5R6 5 6 2 W 12 Louver motor MP24Z 12VDC 13 Relay Comp RY01 DI1U Rating 25A AC250 V 3 48VDC 14 Relay Fan RY03 G5NB 1A Rating 3A AC250 V 12VDC 15 Relay Solenoide RY04 G5NB 1A Rating 3A AC250 V 12VDC 4 2 Outdoor Unit RAS 13N2AH E No Parts name Type Specifications Output Rated 1100 W 2 poles 1 phase 220 240 V 50Hz 1 Compressor PH225X2C 4FT Winding resistance C R C S at 20 C 2 35 3 22 O...

Page 16: ... 3A T6 3A 250VAC 10 Varistor R21 R22 TND15G561K 560 V 11 Louver motor MP24Z 12VDC 12 Relay Comp RY01 DI1U Rating 25A AC250 V 3 48VDC W W TT 10 RAS 13NKP HX RAS 10NKP HX 4 4 Outdoor Unit RAS 13N2A E RAS 13N2AX RAS 12NAX V No Parts name Type Specifications Output Rated 1100 W 2 poles 1 phase 220 240 V 50Hz 1 Compressor PH225X2C 4FT Winding resistance W C R C S at 20 C 2 35 3 22 Output Rated 30 W 6 p...

Page 17: ...451155NPQB AC 450 V 1 5 F for fan motor 4 Running capacitor RS44B256U0213S AC 440 V 25 F for compressor m m 176 2 4 6 Outdoor Unit RAS 10N2A HX 5 No Overload relay P LPAP960B ar U T 6 1A 80 C OPEN 135 5 C CLOSE 78 11 C ts name Type Specifications Output Rated 750 W 2 poles 1 phase 220 240 V 50Hz 1 Compressor RM5510GNE94 Winding resistance W C R C S at 20 C 3 710 4 099 Output Rated 20 W 6 poles 1 p...

Page 18: ...pe T1 P Refrigerant R22 1 00 kg Æ12 7 Æ6 35 Ambient temp conditions DB WB C Indoor Outdoor Standard 1 84 46 0 High 20 15 7 6 Heating Overload 1 2 00 2 42 52 0 59 0 Low 27 24 18 Low temperature 1 50 38 0 High 20 Standard 0 49 10 0 High 27 19 35 24 Cooling Overload 0 60 15 0 High 32 23 43 26 Low temperature 0 45 2 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchangin...

Page 19: ...ure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Fan speed indoor 50Hz Heat exchanger Indoor unit Cross flow fan Cooling Cooling Compressor Heat exchanger Propeller fan Outdoor unit Capillary tube Æ1 7 x 1000l PH225X2C 4FT Cooling Mark means check points of Gas Leak O D 12 7 mm O D 6 35 mm Cooling Packed valve Æ12 7 Packed valve Æ6 35 0 39 m Connecting pipe Æ12 7 0 49 m Connecting...

Page 20: ...rature 0 45 2 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Fan speed indoor 50Hz Heat exchanger Indoor unit Cross flow fan Cooling Cooling Compressor Heat exchanger Propeller fan Outdoor unit Capillary tube 1 7 x 800l RM5515FNE96 Cooling Mark means check points of Gas Leak O D 12 7 mm O D 6 35 mm Cooling Packed valve 12 7 Packed valve 6 35 0 39 ...

Page 21: ... Connecting pipe 9 52 0 49 m Connecting pipe 6 35 T1 P Refrigerant R22 0 75 kg Heat exchanger Capillary tube 1 5 x 1000l Ambient temp conditions DB WB C Indoor Outdoor Standard 0 56 12 0 High 27 19 35 24 Cooling Overload 0 68 17 0 High 32 23 43 26 Low temperature 0 48 5 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Fan speed indoor 50Hz Note Meas...

Page 22: ...y RY03 Relay RY04 220 240 V 50Hz Compressor 4 Way Valve Outdoor Fan Motor Louver Control 3 minutes Delay at Restart for Compressor Processing Temperature Processing Motor Revolution Control Timer Initiallizing Circuit Clock Frequency Oscillator Circuit Thermo Sensor Current Sensor Compressor Current Infrared Rays Signal Reciver REMOTE CONTROL Remote Control Operation Mode Selection AUTO COOL DRY H...

Page 23: ...Circuit Louver Control 3 minutes Delay at Restart for Compressor Processing Temperature Processing Motor Revolution Control Timer Thermo Sensor Infrared Rays Signal Reciver 6 2 RAS 13NKP E2 RAS 13N2A E RAS 13NKPX RAS 13N2AX RAS 12NKPX V RAS 12NAX V FILE NO SVM 06001 22 Operation REMOTE CONTROL Operation Remote Control Operation Mode Selection AUTO COOL DRY FAN ONLY Temperature Setting Fan Speed Se...

Page 24: ...door fan motor are mounted in the outdoor unit LOW MED LOW MED 2 MED HIGH 2 23 The air conditioner is controlled by the controller mounted in the indoor unit The controller operates all components based on the commands transmitted from the remote control and the feedback data of the sensor is as follow The temperature measurement at the air inlet of the indoor heat exchanger by the indoor temperat...

Page 25: ...trolled by the difference in motor speed between M and L Fig 7 2 1 Setting of air flow FAN AUTO 2 The Hi POWER ECO and COMFORT SLEEP 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 on the remote control are controlled as shown in Fig 7 2 2 Fig 7 2 2 2 When FAN button is set to AUTO the indoor f...

Page 26: ...n Fig 7 2 4 Fig 7 2 4 2 The microcontroller 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...

Page 27: ...3 operations Cooling Fan only or Heating is selected according to difference between the preset temperature and the room temperature at which the automatic operation has started as shown in Fig 7 2 9 The Fan only operation continues until the room temperature reaches a level at which another mode is selected 2 Temporary Auto When the RESET button on the indoor unit is pushed the preset temperature...

Page 28: ...inutes OFF Heat exchanger temperature FILE NO SVM 06001 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 temperat...

Page 29: ...e 4th cycle is 10 minutes When the outdoor temperature is very low however the defrost operating time is 10 minutes Fig 7 6 2 DEFROST LAMP During defrost operation the PRE DEF lamp is on and the indoor and outdoor fans are off The compressor start protection timer is inter looked with the PRE DEF lamp So the PRE DEF Lamp is off the fans stop for about 3 minutes after the button is turned on When t...

Page 30: ...C T 13NKH Series Fig 7 7 1 2 Current limit control Heating operation Control is performed as shown in Fig 7 7 2 Fig 7 7 2 Remark Input current 13 5A I4 12 5A I3 10A I2 9A I1 Compressor Outdoor fan More than I4 continues for 3 seconds OFF More than I3 continues for 5 minutes OFF ON ON OFF Input current 13 5A I4 12 5A I3 Compressor Outdoor fan More than I4 continues for 3 seconds OFF More than I3 co...

Page 31: ...rt 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 RESET button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down While the filter check lamp is on...

Page 32: ... filter check lamp 7 9 1 How to turn off filter check lamp Push RESET button on the indoor unit Note If RESET button is pushed while the filter check lamp is not indicating the indoor unit will start the Automatic Operation Operation Motions Push RESET button for more The unit is on standby than three seconds The unit starts to operate The orange lamp is on After approx three seconds The unit beep...

Page 33: ...lay will show in orange color When AUTO RESET is ON or green color When AUTO RESTART is OFF Hold down the RESET button for more than 20 seconds The air conditioner will stop suddenly when the RESET button is pressed but keep holding it continue Then will beep 3 times is the first 3 seconds but it is not related to Self Cleaning function After holding about 20 seconds the air conditioner will beep ...

Page 34: ...apacity 7 12 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...

Page 35: ...ry 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 water or other moisture ...

Page 36: ... 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 installation acceptance please c...

Page 37: ...m left Right Rear right Bottom right Left Rear left Bottom left Gingko filter 2 Wireless remote control 8 Pan head wood screw 4 Remote control holder Insulate the refrigerant pipes separately with insulation not together 6 mm thick heat resisting polyethylene foam 100 mm or more from wall Vinyl tape Apply after carrying out a drainage test Extension drain hose Not available provided by installer 6...

Page 38: ...of outdoor unit Fig 8 3 1 Secure the outdoor unit with fixing bolts and 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 and cap water proof 10 to the bottom plate of the outdoor unit before installing it Air inlet Air outlet Drain outlet 600 mm 90 mm 125 mm 115 mm 32 5 mm 73 mm 102...

Page 39: ...a zeolite Vitamin C filter x 1 Bio enzyme Gingko filter x1 Part No 4 5 6 Part No 7 8 9 Others Name Owner s manual Installation manual The part marked with asterisk is packaged with the outdoor unit Part name Q ty Mounting screw 4 x 25 s x 6 Pan head wood screw 3 1 x 16 s x 2 Drain nipple x 1 For Heat pump model only Cap water proof x 2 For Heat pump model only FILE NO SVM 06001 ...

Page 40: ...ereo 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 plate Cutting a hole When installing the r...

Page 41: ...ate 7 mounting screws NOTE Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it Installation plate Keep horizontal direction 8 4 3 Electrical work 1 The supply voltage must be the same as the rated voltage of the air conditioner 2 Prepare the power source for exclusive use with the air conditioner CAUTION This appliance can be connected to the mai...

Page 42: ...ir inlet grille on the indoor unit 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 For Heat pump model Fig 8 4 5 Stripping length of the connecting cable Fig 8 4 6 Earth line Connecting cable Terminal cover Screw Cord clamp Terminal block about 15 cm Screw Screw Earth line Con...

Page 43: ... 8 4 11 How to fix the drains cap 1 Insert hexagonal wrench 4 mm in a center head Fig 8 4 12 2 Firmly insert drains cap Fig 8 4 13 CAUTION Firmly insert the drain hose and drain cap otherwise water may leak In case of right or left piping After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 8 4 14 In case of bottom right...

Page 44: ...ing 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 it Installation plate Auxiliary pipes Indoor unit Connecting cable 8 4 5 Indoor unit fixing 1 ...

Page 45: ...ce which is not exposed to a strong wind A place free of a leakage of combustible gases A place which does not block a passage When the outdoor unit is to be installed in an elevated position be sure to secure its feet An allowable length of the connecting pipe is up to 10 m RAS 10N2A or 15 m RAS 12NA 13N2A An allowable height level is up to 5 m RAS 10N2A or 6 m RAS 12NA 13N2A A place where the dr...

Page 46: ... 0 to 4 2 kgf m 12 70 50 to 62 5 0 to 6 2 kgf m 90 Outer dia A of copper pipe Rigid Imperial 6 35 0 5 to 1 0 1 0 to 1 5 9 52 0 5 to 1 0 1 0 to 1 5 12 70 0 5 to 1 0 1 5 to 2 0 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 pipe Projection margin in flaring A Unit mm Fig 8 5 3 Tightening connection Align the centers of...

Page 47: ...conditioner when the pump stops 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to start evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 mete...

Page 48: ...mm2 or more 8 6 How to Set Remote Control Selector Switch When two indoor units ae installed in seperated rooms there is no need to change the selector switch Remote control selector switch 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 sett...

Page 49: ...l you the Auto Restart has been selected To cancel the Auto Restart follow the steps described in the section Auto Restart Function of the Owner s Manual Valve stem cap connection Service cap connection Valve cover 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 ...

Page 50: ...ion starts 6 The outdoor fan motor stops in the Heating operation 7 The compressor is not turned on even though the room temperature is in the range that the compressor is turned on 8 The operation mode changes in the Automatic operation 9 The Fan only operation continues in the Automatic operation 10 The Hi POWER operation does not work No Operation of air conditioner Descriptions The OPERATION l...

Page 51: ...amp is blinking 5Hz F OPERATION and TIMER lamps are blinking 5Hz 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 does not operate The ...

Page 52: ...mes per 1 sec 2 Press TIMER 8 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 Check the unit with all 35 check codes 00 to 22 as shown in Table 9 4 1 Press TIMER 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...

Page 53: ...heck P C board 1 Check heat thermal fuse is blow or not Terminal block part 2 If the thermal fuse is not blow check indoor fan motor Refer to trouble shooting flow charts Replace P C borad 1 Check connective cable correct if wiring is wrong 2 Check thermal fuse and Terminal blocks 3 If it is OK check P C board 1 If overload relay and themostat for compres sor are OK check refrigerant cycle 2 If re...

Page 54: ...YES YES YES NO NO NO NO Does the thermal fuse blow Under PF Terminal Wrong wiring of AC cord or connecting cable is defective Replace the thermal fuse set Check connection Is the indication voltage DC12V or 5V of main P C board correct Does the CN14 connector the wrong connecting P C board is defective Replace the main P C board Is the voltage across C63 measured DC310V 340V Refer to the paragraph...

Page 55: ...ive Replace the thermal fuse set Check connection Is the indication voltage DC12V or 5V of main P C board correct Does the CN14 connector the wrong connecting P C board is defective Replace the main P C board Is the voltage across C50 measured DC12V 15V Refer to the paragraph Pre check or defective circuit before power P C board block Is the secondary voltage of transformer TT 10 Shut off the powe...

Page 56: ...ay is returned to the normal procedure To the paragraph of No Power turns on YES NO NO YES FILE NO SVM 06001 RAS 13NKHP E2 55 4 3 1 2 Green Yellow PC Board Indoor Terminal Block Blue Brown Black White Red Blue Green yellow CN31 RY01 T02 Power Cord RAS 13NKP E2 RAS 13NKPX RAS 12NKPX V RAS 10NKP HX RAS 13NKP HX Green Yellow White Black Indooe Terminal Block CN31 RY01 Power Cord 2 1 Green Yellow Brow...

Page 57: ...e power turn on by pushing the button of the remote control Is AC 220 240V supplied between terminal block 1 2 Relays RY01 or IC31 Cooling only model Q16 Heat pump only model or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Does the OPERATION lamp blink See Power can not be turned on 9 5 3 Outdoor...

Page 58: ...n indoor and outdoor units Is the voltage across the outdoor terminal 1 2 AC 220 240V Cables between indoor and outdoor units are defective Are all the cords for compressor normal Re wire or replace the defective cords Is the compressor motor winding normal Check the winding resistor Compressor is defective Is the capacitor for compressor normal Capacitor is defective Is the overload relay normal ...

Page 59: ...RY03 or Q25 or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the terminal 2 4 Heat pump model 1 2 Cooling only model AC 220 240V Cables between indoor and outdoor units are defective Are all the cords for outdoor fan motor normal Correct the wire or replace the defective cord...

Page 60: ...the voltage across the indoor terminal 2 3 220 240V Relays RY04 or Q24 R314 or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the outdoor terminal 2 3 220 240V Cables between indoor and outddor units are defective Is the wiring of solenoid coil for 4 way valve normal Solenoid ...

Page 61: ...ge the setting of cooling to high fan Does the cross flow fan rotate normally Repair the bearing of the fan Thermal fuse operated due to prevent temperature rising 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 boa...

Page 62: ...to hight fan Does the cross flow fan rotate normally Repair the bearing of the fan Thermal fuse operated due to prevent temperature rising 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 IC31 TT 10 or 12V power circuit failire Replace the P C board Is the rotation signal DC 5...

Page 63: ...O NO NO NO NO NO NO Is operation possible when setting the temporary switch of the air conditioner main unit to TEST RUN or TEMPORARY AUTO Can any signal tone be heard in a trasistor radio when transmitting within 5 cm distance from the radio P C board is failure Replace P C board Is operation possible when the transmitter is moved nearer to the infrared signal receiver of the air conditioner Batt...

Page 64: ...d hold the Whole housing Do not pull at the lead wire 2 Inspection procedres 1 When a P C board is judged to be defective check for disconnection burning or discolora tion of the copper foil pattern or this P C board 2 The P C board consists of the following 2 parts a Main P C board part power relay indoor fan motor drive circuit and control circuit C P U and peripheral circuits buzzer drive circu...

Page 65: ...d GND 2 Between No 1 and 2 of connect ing cable terminal block AC 220 240V 1 All indicators light for 3 sec 2 Indicators do not indicate normally after approximate 3 sec 1 Compressor does not operate 2 OPERATION lamp blinks 1 Compressor does not operate 2 OPERATION lamp blinks 1 Motor does not rotate The key operation is accepted 2 The Motor rotates but it vibrates too much Shut off the power supp...

Page 66: ...rd assembly from the electronic parts base Remove the connecting cable from the terminal block Remove the connector for the motor and turn the power on If the OPERATION lamp blinks 0 5 sec ON 0 5 sec OFF when the power turning on the checking points described as 1 4 of right column are not necessary to perform Make the operation status by pushing once the button except the status of FAN ONLY ON TI...

Page 67: ...e resistance value of thermo sensor Temperature 0 C 10 C 20 C 25 C 30 C Resistance value 33 8 20 35 12 59 10 00 7 99 kΩ 9 6 4 How to set cancel the self cleaning function The self cleaning function is set from a factory To cancel this function should keep press the temporary switch for 20 seconds till can hear the long combination sound and repeat the same procedure when need to set FILE NO SVM 06...

Page 68: ... LED unit Then remove the LED unit and the electrical part box from the main unit How to mount the electrical part 1 To put back the electrical part box lock it to the upper hook of the back body 2 Tighten the screws on the electrical part box 3 Connect the 3 connectors and arrange the wiring same as original condition and then tighten the screw from the LED unit to the back body 4 Attach the TC s...

Page 69: ...the fan motor Notice To assemble cross flow fan and fan motor to the unit please turn the fan motor unit the center of its terminal meets the lowest point of band motor R point A Fix the cross flow fan with the set screw at the position where the gap between the back body and the right surface of the cross flow fan is 6 mm 1 Remove the front panel electrical part horizontal louver heat exchanger a...

Page 70: ...isconnect the connecting cable 4 Remove the upper cabinet 4 Screws 4 x 10L Pulling out upword 5 Remove the front cabinet 3 Screws 4 x 10L Pull the front right portion toward you and remove it pulling out upward 10 2 Outdoor Unit 1 Common procedure No Part name Procedures Remarks Cord clamp 3 Screws Ø4 x10L 2 Screws Ø4 x 16L Electric parts cover Packed valve cover Upper cabinet Front cabinet FILE N...

Page 71: ...s Ø4 x10L Screws 4 x 8L 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 3 Disconnect the lead wires 1 Perform the common procedure 1 2 Remove the fixing screw 1 Screw 4 x 10L 3 Disconnect the lead wires 2 Capacitor for compressor 3 Capacitor for fan motor FILE NO SVM 06001 ...

Page 72: ...06001 Location Part Location Part No No No No 401 43T60001 TERMINAL 405 43T69079 PC BOARD ASSY WRS LED 402 43T60002 TERMINAL BLOCK 3P 406 43T69364 FUSE TEMPERATURE 403 43T69004 SENSOR HEAT EXCHANGER 410 43T62003 CORD CLAMP 404 43T69005 SENSOR THERMOSTAT 411 43T69432 PC BOARD Description Description ...

Page 73: ...cation Part No No No No 402 43T60002 TERMINAL BLOCK 3P 406 43T69364 FUSE TEMPERATURE 403 43T69371 SENSOR HEAT EXCHANGER 410 43T62003 CORD CLAMP 404 43T69005 SENSOR THERMOSTAT 411 43T69367 PC BOARD 405 43T69079 PC BOARD ASSY WRS LED 412 43T69361 TRANSFORMER TT 10 Description Description ...

Page 74: ...06 43T69364 FUSE TEMPERATURE FOR RAS 12NKPX V 410 43T62003 CORD CLAMP 403 43T69371 SENSOR HEAT EXCHANGER 411 43T69366 PC BOARD FOR RAS 10NKP HX FOR RAS 13NKPX RAS 13NKP HX 411 43T69367 PC BOARD FOR RAS 13NKPX RAS 10NKP HX RAS 12NKPX V RAS 13NKP HX 404 43T69005 SENSOR THERMOSTAT 412 43T69361 TRANSFORMER TT 10 Description Description 407 43T69341 POWER CORD FOR RAS 13 10NKP HX 407 43T69342 POWER COR...

Page 75: ... 204 43T80311 AIR FILTER R 222 43T21322 MOTOR FAN FOR RAS 13NKHP E2 205 43T80310 AIR FILTER L 222 43T21338 MOTOR FAN FOR RAS 13NKP E2 206 43T09328 HORIZONTAL LOUVER 223 43T39303 BAND MOTOR R 207 43T70310 DRAIN HOSE 224 43T69421 WIRELESS REMOCO 208 43T79301 CAP DRAIN FOR RAS 13NKHP E2 209 43T21372 MOTOR STEPPING 224 43T69422 WIRELESS REMOCO 210 43T44375 REFRIGERATION CYCLE ASSY FOR RAS 13NKP E2 211...

Page 76: ...43T09357 HORIZONTAL LOUVER 219 43T22308 ASM M BEARING FOR RAS 13NKPX RAS 12NKPX V FOR RAS 13NKPX RAS 12NKPX V 207 43T70002 DRAIN HOSE 220 43T39301 BASE BEARING 221 43T20302 ASSY CROSS FLOW FAN 222 43T39302 BAND MOTOR L 208 43T79301 CAP DRAIN 223 43T21322 MOTOR FAN 209 43T21372 MOTOR STEPPING FOR RAS 13NKPX RAS 12NKPX V 210 43T44351 REFRIGERATION CYCLE ASSY 223 43T21338 MOTOR FAN FOR RAS 10NKP HX F...

Page 77: ...9318 GUARD FAN 19 43T49008 CUSHION RUBBER 06 43T62311 ELECTRIC PART COVER 20 43T52310 PACKED VALVE COVER ASSEMBLY 07 43T20307 FAN PROPELLER 21 43T55337 MF CAPACITOR 08 43T21308 MOTOR FAN 22 43T55325 CAPACITOR PLASTIC FILM 09 43T47001 NUT FLANGE 23 43T60323 TERMINAL 4P 10 43T43342 CONDENSER ASSEMBLY 24 43T46319 4 WAY VALVE 11 43T46308 VALVE PACKED 6 35 DIA 25 43T46330 COIL V 4WAY AC220 240V 50Hz 12...

Page 78: ...S 13N2A HX 16 43T41348 COMPRESSOR Made in China 07 43T21323 MOTOR FAN FOR RAS 13N2A E FOR RAS 13N2A E RAS 13N2AX RAS 10N2A HX RAS 12NAX V 07 43T21361 MOTOR FAN FOR RAS 13N2AX 17 43T47324 BOLT COMPRESSOR M6 RAS 12NAX V 18 43T49008 CUSHION RUBBER 08 43T47001 NUT FLANGE 19 43T52310 PACKED VALVE COVER ASSEMBLY 09 43T41351 CONDENSER ASSEMBLY 20 43T00395 UPPER CABINET ASSEMBLY FOR RAS 13N2A E RAS 13N2AX...

Page 79: ... 75 FILE NO SVM 03004 1 TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...