Toshiba RAS-07UA-ES4, Service Manual

Page 1: ...NO SVM 05020 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS 13UKHP ES4 RAS 13UAH ES4 RAS 10UKHP ES4 RAS 10UAH ES4 RAS 13UKP ES4 RAS 13UA ES4 RAS 10UKP ES4 RAS 10UA ES4 RAS 07UKP ES4 RAS 07UA ES4 May 2005 ...

Page 2: ...KP ES4 RAS 13UA ES4 5 4 RAS 10UKP ES4 RAS 10UA ES4 6 CONTROL BLOCK DIAGRAM 6 1 RAS 13UKHP ES4 RAS 13UAH ES4 RAS 10UKHP ES4 RAS 10UAH ES4 6 2 RAS 13UKP ES4 RAS 13UA ES4 RAS 10UKP ES4 RAS 10UA ES4 RAS 07UKP ES4 RAS 07UA ES4 4 3 Outdoor Unit RAS 13UA ES4 RAS 07UKP ES4 RAS 07UA ES4 5 5 RAS 07UKP ES4 RAS 07UKP ES4 RAS 07UA ES4 Outdoor Unit RAS 07UA ES4 4 7 7 7 10 Self Cleaning function OPERATION DESCRI...

Page 3: ...shooting for Remote Control Including The Indoor P C Board 10 PARTS REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy For Heat pump model 11 4 Outdoor Unit RAS 13UAH ES4 11 5 Outdoor Unit RAS 10UAH ES4 11 6 Outdoor Unit RAS 13UA ES4 11 7 Outdoor Unit RAS 10UA ES4 This air conditioner is charged with HFC R410A that doesn t deplete the Ozon...

Page 4: ...pe Maximum length 15 1 One way Maximum height difference INDOOR UNIT RAS 13UKHP ES4 RAS 13UKP ES4 Height mm 275 Dimensions Width mm 790 Depth mm 208 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 630 650 630 Air volume Medium fan m3 h 520 550 520 Low fan m3 h 430 490 430 Fan motor output W 20 Air filter Honeycomb woven filter with PP frame OUTDOOR UNIT RA...

Page 5: ...connection Connection type Flare connection pipe Maximum length m 10 1 One way Maximum height difference INDOOR UNIT RAS 10UKHP ES4 RAS 10UKP ES4 Height mm 275 Dimensions Width mm 790 Depth mm 208 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 570 610 610 Air volume Medium fan m3 h 460 520 460 Low fan m3 h 340 400 340 Fan motor output W 20 Air filter Hone...

Page 6: ... connection pipe Maximum length m 10 1 One way Maximum height difference INDOOR UNIT RAS 07UKP ES4 Height mm 275 Dimensions Width mm 790 Depth mm 208 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 570 Air volume Medium fan m3 h 460 Low fan m3 h 340 Fan motor output W 20 Air filter Honeycomb woven filter with PP frame OUTDOOR UNIT RAS 07UA ES4 Height mm 53...

Page 7: ...erature conditions Note 2 Temperature Condition 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 1 No need to charge extra refrigerant JIS B8615 1 FILE NO SVM 05020 ...

Page 8: ...t 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 9 52 10 Series Gas side Flare 12 7 13 Series Service port 600 or more 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 Z View RAS 13...

Page 9: ...150 160 160 120 80 53 6 60 Hanger Hanger 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 For 13 series Flare 12 7 For 07 10 series Flare 9 52 Connecti...

Page 10: ...e B Detail Drawing Front Leg 50 36 R 15 660 265 273 5 6 Hole 11x14 Hole A B Z View 97 25Drain outlet 2 11x14 hole for 8 10 anchor bolt Fan guard 530 Liquid side Flare 6 35 Gas side Flare 9 52 Service port 126 48 325 100 or more 100 or more 600 or more 600 or more Installation dimension 600 Air inlet Air outlet 4x 11x14 Long holes for 8 10 anchor bolt FILE NO SVM 05020 ...

Page 11: ...1 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 1 2 2 7 8 9 10 3 4 5 6 1 2 11 7 8 9 10 3 4 5 6 1 ...

Page 12: ... 1 2 WHI YEL YEL YEL YEL 2 1 4 3 PNK TEMP FUSE 220V 50Hz Heat Exchanger Sensor TC Thermo Sensor TA 73 C Single Phase PNK CN31 BLU CN14 CN25 BLU Infrared rays receiver and indication parts N L 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 GRN YEL BLU N BRW L 12 INDOOR OUTD...

Page 13: ... 2 1 2 1 2 1 2 WHI YEL YEL YEL YEL 2 1 4 3 PNK TEMP FUSE 220V 50Hz Heat Exchanger Sensor TC Thermo Sensor TA 73 C Single Phase PNK CN31 BLU CN14 CN25 BLU Infrared rays receiver and indication parts N L 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 GRN YEL BLU N BRW L INDO...

Page 14: ...L YEL YEL YEL 2 1 4 3 PNK TEMP FUSE 220V 50Hz Heat Exchanger Sensor TC Thermo Sensor TA 73 C Single Phase PNK CN31 BLU CN14 CN25 BLU Infrared rays receiver and indication parts N L 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 GRN YEL BLU N BRW L INDOOR 3 5 RAS 07UKP ES4 ...

Page 15: ...2 C T RY01 BLK 4 3 FUSE F01 73 C 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 Moto...

Page 16: ...01 DI12D1 Rating 20A AC250V 12VDC 14 Relay Fan RY03 G5N 1A Rating 3A AC250V 12VDC 15 Relay Solenoide RY04 G5N 1A Rating 3A AC250V 12VDC 4 2 Outdoor Unit RAS 13UAH ES4 No Parts name Type Specifications Output Rated 1100W 2poles 1 phase 220 240V 50Hz 1 Compressor PA150X2C 4FT Winding resistance Ω C R C S at 20 C 2 35 3 22 Output Rated 42W 6poles 1 phase 220 240V 50Hz 2 Fan motor for outdoor HF 240 4...

Page 17: ...ning capacitor DS441306CPNK AC 440V 30µF for compressor 4 4 Outdoor Unit RAS 10UAH ES4 No Parts name Type Specifications Output Rated 750W 2poles 1 phase 220 240V 50Hz 1 Compressor PA108X1C 4FZDN Winding resistance Ω C R C S at 20 C 3 75 4 75 Output Rated 30W 6poles 1 phase 220 240V 50Hz 2 Fan motor for outdoor HF 240 30B or Winding resistance Ω Red Black White Black at 20 C 245 or 237 388 3 or 38...

Page 18: ...CPNAL AC 440V 25µF for compressor 4 5 Indoor Unit RAS 13UKP ES4 RAS 10UKP ES4 RAS 07UKP ES4 No Parts name Type Specifications 1 Fan motor for indoor SKF 220 20 4A 1 AC Motor with 150 C thermo fuse 2 Thermo sensor TA sensor 10kΩ at 25 C 3 Transformer TT 10 4 Microcontroller unit IC30 TMP87CM40AN 5 Heat exchanger sensor 10kΩ at 25 C TC sensor 6 Line filter L01 SS11V 06270 27mH 600mA 7 Bridge rectifi...

Page 19: ...r DS451155NPQB for fan motor 4 Running capacitor for compressor DS441256CPNAL AC 440V 25µF 4 7 Outdoor Unit RAS 07UA ES4 Specifications Compressor Output Rated 605W 2poles 1 phase Winding resistance Ω at 20 C Output Rated 30W 6poles 1 phase HF 240 30B or Winding resistance Ω Red Blac at 20 C AC 450V 1 5µF PA82X1C 4DZDN FILE NO SVM 05020 WLF 240 30A ...

Page 20: ...10 Standard 0 85 10 0 High 27 19 35 24 Cooling Overload 0 99 14 0 High 32 23 43 26 Low temperature 0 65 2 0 Low 21 15 21 15 Standar d pressure P MPaG Surface temp of heat exchang er inter changing pipe T1 C Fan speed indoor 50Hz Heat exchanger Indoor unit Cross flow fan Cooling Heating 4 way valve Heating Cooling Compressor Accumulator Heat exchanger Propeller fan Outdoor unit Capillary tube 1 0x4...

Page 21: ...ture 0 85 5 0 Low 21 15 21 15 Fan speed indoor 50Hz Indoor unit Cross flow fan Cooling Heating 4 way valve Heating Cooling Compressor Heat exchanger Propeller fan Outdoor unit PA108X1C 4FZDN Cooling Heating Mark means check points of Gas Leak O D 9 52mm O D 6 35mm Cooling Heating Packed valve 9 52 Packed valve 6 35 0 39m Connecting pipe 9 52 0 49m Connecting pipe 6 35 T1 P Refrigerant R410A 0 79 k...

Page 22: ...2 7 0 49m Connecting pipe 6 35 T1 P Refrigerant R410A 0 95 kg 5 3 RAS 13UKP ES4 RAS 13UA ES4 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 90 9 0 High 27 19 35 24 Cooling Overload 1 12 13 0 High 32 23 43 26 Low temperature 0 72 2 0 Low 21 15 21 15 Fan speed indoor 50Hz Standar d pressure P MPaG Su...

Page 23: ...ow 21 15 21 15 Fan speed indoor 50Hz Indoor unit Cross flow fan Cooling Cooling Compressor Heat exchanger Propeller fan Outdoor unit PA108X1C 4FZDN Cooling Mark means check points of Gas Leak O D 9 52mm O D 6 35mm Cooling Packed valve 9 52 Packed valve 6 35 0 39m Connecting pipe 9 52 0 49m Connecting pipe 6 35 T1 P Refrigerant R410A 0 70 kg Heat exchanger Capillary tube 1 5x1100l Standard pressure...

Page 24: ...mp conditions DB WB C Indoor Outdoor Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Indoor unit Cross flow fan Cooling Cooling Compressor Propeller fan Outdoor unit PA82X1C 4DZDN Cooling Mark means check points of Gas Leak O D 9 52mm O D 6 35mm Cooling Packed valve 9 52 Packed valve 6 35 0 39m Connecting pipe 9 52 0 49m Connecting pipe 6 35 T1 P Refrigerant R 410A ...

Page 25: ... Relay RY01 Relay 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 Operation Mode...

Page 26: ...Fan Only Sign Display Indoor Fan Motor Louver Motor Louver ON OFF Signal Compressor ON OFF Signal Power Supply Circuit Noise Filter Relay Driver Louver Driver Relay RY01 220 240 V 50Hz Compressor Outdoor Fan Motor Initiallizing Circuit Clock Frequency Oscillator Circuit Louver Control 3 minutes Delay at Restart for Compressor Processing Temperature Processing Motor Revolution Control Timer Thermo ...

Page 27: ...ntroller 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 temperature sensor The temperature measurement at the indoor heat exchanger by the indoor heat exchanger temperature sensor Indoor...

Page 28: ...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 29: ...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 30: ...erence 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 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 Fi...

Page 31: ...or 5 minutes OFF Heat exchanger temperature FILE NO SVM 05020 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 te...

Page 32: ...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 33: ...7 7 2 Fig 7 7 2 Remark 1 This function is available only for heat pump model Cooling models have no a current sensor C T Input current 13 5A 19 2A I4 12 5A 17 8A I3 10A 15 6A I2 9A 15 0A I1 Compressor Outdoor fan More than I4 continues for 3 seconds OFF More than I3 continues for 5 seconds OFF ON ON OFF Input current 13 5A 19 2A I4 12 5A 17 8A I3 Compressor Outdoor fan More than I4 continues for 3...

Page 34: ...ceed 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 lamp is on the TEMPOR...

Page 35: ...1 How to turn off filter check lamp 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 approx three seconds The unit beeps three tim...

Page 36: ...ill show in orange color When AUTO RESET is ON or green color When AUTO RESTART is OFF Hold down the TEMPORARY button for more than 20 seconds The air conditioner will stop suddenly when the TEMPORARY button is pressed but keep holding it continue Then will beep 3 times is the first 3 seconds but it is not related to Self Cleaning function After holding about 20 seconds the air conditioner will be...

Page 37: ...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 38: ...uired Accordingly special tools are required for the new refrigerant R410A as shown below For connecting pipes use new and clean piping materials with high pressure withstand capabilities designed for R410A only and ensure that water or dust does not enter Moreover do not use any existing piping as its pressure withstand may be insufficient and may contain impurities New Refrigerant Air conditione...

Page 39: ...roperly 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 before installation could result in electric shock Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully for possi...

Page 40: ... or bottom left Right Rear right Bottom right Insulate the refrigerant pipes separately with insulation not together For the rear left and left piping Insert the cushion between the indoor unit and wall and tilt the indoor unit for better operation 1 Installation plate Wall Left Rear left Bottom left 6 mm thick heat resisting polyethylene foam Saddle Do not allow the drain hose to get slack Make s...

Page 41: ...ent 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 9 drain nipple and 10 cap water proof 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...

Page 42: ...ntrol holder x 1 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 Bio enzyme Gingko filter x 1 Sasa Zeolite Plus filter x 1 ...

Page 43: ...erant from being charged each port diameter has been changed Charge hose In order to increase pressure withstand strength hose materials and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size Electronic balance As pressure is high and gasification speed is fast for refrigerant charging it is difficult to read the indicated valu...

Page 44: ...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 45: ...riate 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 RAS 13UKHP ES4 RAS 10UKHP ES4 Model RAS 13UKP ES4 RAS 10UKP ES4 Power source 50 Hz 220 240 V Single phase Maximum 12A 7 5A running current Plug socket 16A fuse rating Power cord 1 3 mm2 or more 1 mm2 or more RAS 07UKP ES4 ...

Page 46: ...air 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 RAS 13 10UKH 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 Conne...

Page 47: ... 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 48: ...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 49: ... A place which is not exposed to a strong wind A place free of a leakage of combustible gases A place which does not block a passage When the outdoor unit is to be installed in an elevated position be sure to secure its feet An allowable length of the connecting pipe is up to 10 m RAS 10UA or 15 m RAS 13UA An allowable height level is up to 5 m RAS 10 07UA or 6 m RAS 13UA A place where the drain w...

Page 50: ...de Internally threaded side Flare at indoor unit side Flare at outdoor unit side Mark line Outer dia R410A of copper pipe 6 35 1 5 to 2 0 9 52 1 5 to 2 0 12 70 2 0 to 2 5 Outer dia Tightening torque of copper pipe 6 35 16 to 18 1 6 to 1 8 kgf m 9 52 30 to 42 3 0 to 4 2 kgf m 12 70 50 to 62 5 0 to 6 2 kgf m Outer dia R410A Conventional of copper pipe tool used tool used 6 35 0 to 0 5 1 0 to 1 5 9 5...

Page 51: ...he air conditioner which use R410A refrigeration cycle trouble may result 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 ...

Page 52: ...m2 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 setti...

Page 53: ...he 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 display...

Page 54: ...n 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 lamp blinks to indicate that...

Page 55: ...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 56: ...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 57: ...or 2 If it is OK check 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 refrige...

Page 58: ...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 59: ...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 60: ...iring of the power relay is returned to the normal procedure To the paragraph of No Power turns on YES NO NO YES FILE NO SVM 05020 RAS 10UKHP ES4 RAS 13UKHP ES4 59 L N 4 3 1 2 Green Yellow PC Board Indoor Terminal Block Blue Brown Black White Red Blue Green yellow CN31 RY01 T02 L N 4 3 1 2 Green Yellow PC Board Indoor Terminal Block Blue Brown Black White Red Blue Green yellow CN31 RY01 T02 ...

Page 61: ...nds See Power can not be turned on NO NO NO NO YES YES YES YES Does the 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...

Page 62: ...oard Is cable connection between indoor and outdoor units correct Correct cabling between 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 ...

Page 63: ...y model AC 220 240V Relays RY03 or IC31 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 o...

Page 64: ... not be turned on Is the voltage across the indoor terminal 2 3 220 240V Relays RY04 or IC31 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...

Page 65: ...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 66: ...o 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 f an 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 67: ...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 68: ...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 69: ...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 70: ...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 71: ...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 05...

Page 72: ... 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 73: ...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 74: ...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 75: ...fan motor Capacitor for Compressor 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 1 Screw 4 x 8L for 10k 13k 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 RAS 10K 13K RAS 07K 1 Screw 4 x 10L for 07k FILE NO SVM 05020 ...

Page 76: ...0kΩ 25 C 404 43T69005 Sensor Thermostat 10kΩ 25 C 405 43T69079 P C Board ASSY WRS LED MCC 861 Location Part Description No No 406 43T60077 Fuse Temperature 73 C 410 43T62003 Cord Clamp 43T69431 P C Board RAS 13UKHP ES4 43T69432 411 411 P C Board RAS 10UKHP ES4 401 43T60001 Terminal Block 2P For Heat pump model 402 43T60002 Terminal Block 3P ...

Page 77: ...3T69005 Sensor Thermostat 10kΩ 25 C 405 43T69079 P C Board ASSY WRS LED Location Part Description No No 406 43T60077 Fuse Temperature 73 C 410 43T62003 Cord Clamp 43T69365 P C Board RAS 10UKP ES4 43T69366 MCC 861 411 411 P C Board RAS 07UKP ES4 402 43T60002 Terminal Block 3P For Cooling model P C Board RAS 13UKP ES4 43T69367 411 Transformer 43T69361 412 ...

Page 78: ... 202 43T09326 Inlet Grille Assy 203 43T03302 Back Body Assy 204 43T80301 Air Filter 205 43T09328 Horizontal Louver 206 43T08392 LED Panel Assy For Heat pump model 206 43T08393 LED Panel Assy For Cooling only model 207 43T70002 Drain Hose 208 43T79301 Cap Drain 209 43T21321 Motor Louver MP24Z DC 12V 210 43T44357 Refrigeration Cycle Assy For 10 Series 210 43T44359 Refrigeration Cycle Assy For 13 Ser...

Page 79: ...ia 12 43T46307 Valve packed 12 7 Dia 13 43T47331 Bonnet 6 35 Dia 14 43T47333 Bonnet 12 7 Dia Location Part Description No No 15 43T03303 Fixing plate valve 16 43T47011 1 5ID 17 43T41380 18 Compressor PA150X2C 4FT 19 43T47324 Bolt compressor M6 20 43T49008 Cushion rubber 21 43T52310 Packed valve cover assembly 22 43T55331 Capacitor Plastic film 23 43T55325 Capacitor Plastic film 24 43T60323 Termina...

Page 80: ... Drain Nipple Capillary Tube 43T49307 Solinoid Coil Location Part Description No No 01 43T00368 Front cabinet assembly 02 43T03306 Back cabinet assembly 03 43T03329 Base 04 43T00396 Upper cabinet assembly 05 43T09318 Guard fan 06 43T62311 Electrical part cover 07 43T20307 Fan propeller 08 43T21323 Motor fan HF 240 30B 09 43T47001 Nut flange 10 43T43338 Condenser assembly 11 43T46308 Valve packed 6...

Page 81: ...bly 11 43T46307 Valve packed 6 35 Dia 12 43T47331 Valve packed 12 7 Dia Location Part Description No No 13 43T47333 Bonnet 12 7 Dia 14 43T63303 Finxing plate valve 15 43T47014 Capillary tube 1 7 Dia 16 43T41380 Compressor PA150X2C 4FT 17 43T47324 Bolt compressor M6 18 43T49008 Cushion rubber 19 43T52310 Packed valve cover assembly 20 43T00395 Upper cabinet assembly 21 43T55331 Capacitor Plastic fi...

Page 82: ...308 Condenser assembly 11 43T46011 Valve packed 6 35 Dia 12 43T47331 Valve packed 9 52 Dia Location Part Description No No 13 43T47332 Bonnet 9 52 Dia 14 43T63303 Finxing plate valve 15 43T47008 Capillary tube 1 5 Dia 16 43T41379 Compressor PA108X1C 4FZDN 17 43T47325 Bolt compressor M6 18 43T49315 Cushion rubber 19 43T52310 Packed valve cover assembly 20 43T00395 Upper cabinet assembly 21 43T55330...

Page 83: ...1 Valve Packed 9 52 DIA 09 43T47332 Bonnet 9 52 DIA 10 43T46308 Valve Packed 6 35 DIA 11 43T47331 Bonnet 6 35 DIA Location Part Description No No 13 43T47001 Nut Flange 14 43T19312 Handle 15 43T49315 Cushion Rubber 18 43T41378 Compressor PA82X1C 4DZDN 19 43T62305 Packed Valve Cover 20 43T00394 Upper Cabinet Coating Assembly 21 43T63301 Fixing Plate Valve 22 43T42313 Base Coating Assembly 23 43T553...

Page 84: ... 72 FILE NO SVM 03001 1 TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...