Toshiba RAS-10N3AVR-E Service Manual Download Page 78

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<Inspection procedure>

1. Remove the front panel. (Remove 2 screws.)

2. Remove the cover of the fan motor lead wires.

3. Check AC voltage with CN31 connector while the fan motor is rotating.

NOTE :

• Using a tester, measure the resistance value of each winding coil.

• Use a thin test rod.

2
1

CN31

CN33

P.C. board

WHI

BLK

RED

BLK

RED

WHI

BLU
PUR

GRY

BLU

PUR
GRY

Resistance value

Position (P.C. board)

Between

(Black) -

(Red)

Between

(Black) -

(White)

BLK
WHI

RED

PUR

GRY

BLU

(4) Indoor fan motor automatically starts to rotate by turning on power supply

of "Judgment of Trouble by Every Symptom".

• Do not disconnect the connector while the fan motor is rotating.

• For P.C. board side, proceed to the item "Only indoor fan does not operate"

FILE NO. SVM-12057

–

RAS-10N3KVR-E,
RAS-13N3KVR-E

Between

(Red) -

(White)

373±26

Ω

249±17

Ω

622±44

Ω

Summary of Contents for RAS-10N3AVR-E

Page 1: ...10A SERVICE MANUAL SPLIT TYPE Indoor Unit Outdoor Unit RAS 13N3KVR E RAS 13N3AVR E October 2012 FILE NO SVM 12057 RAS 10N3KVR E RAS 10N3AVR E PU RE SWING FAN FIX QUIET HiPOWER ONE T OUCH COM FOR T SLEE P ...

Page 2: ...6 5 WIRING DIAGRAM 18 6 SPECIFICATIONS OF ELECTRICAL PARTS 19 7 REFRIGERANT CYCLE DIAGRAM 20 8 CONTROL BLOCK DIAGRAM 24 9 OPERATION DESCRIPTION 26 10 INSTALLATION PROCEDURE 52 11 HOW TO DIAGNOSE THE TROUBLE 68 12 HOW TO REPLACE THE MAIN PARTS 91 13 EXPLODED VIEWS AND PARTS LIST 108 FILE NO SVM 12057 ...

Page 3: ...isconnect the appliance from the main power supply This appliance must be connected to the main power supply be means of a circuit breaker or a switch with a contact separation of at least 3 mm in all poles The installation circuit breaker must be used specified for the power supply line of this air conditioner DANGER FOR USE BY QUALIFIED PERSONS ONLY TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING A...

Page 4: ...ssure may by generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body CAUTION Exposure of unit to water or other moisture before installation could reslt in electric shock Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully for possible damage Do not install in a place that can in...

Page 5: ...790 Depth mm 225 Net weight kg 10 Fan motor output W 20 Air flow rate Cooling Heating m3 min 8 6 9 5 Outdoor unit Unit model RAS 10N3AVR E Dimention Height mm 550 Width mm 780 Depth mm 290 Net weight kg 33 Compressor Motor output W 750 Type Single rotary type with DC inverter variable speed control Model DA89X1C 23FZ2 Fan motor output W 43 Air flow rate Cooling Heating m3 min 30 30 Piping Type Fla...

Page 6: ... Heating 0 20 40 60 80 100 120 15 10 5 0 5 10 Outdoor temp Heating Capacity ratio Condition Indoor DB20 Indoor air flow High Pipe length 5m Capacity ratio 100 is 3 2kW Capacity ratio 100 is 2 5kW FILE NO SVM 12057 Cooling 0 1 2 3 4 5 6 7 8 9 10 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor speed rps Current A Heating 0 1 2 3 4 5 6 7 8 9 10 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor ...

Page 7: ...Fan motor output W 43 Air flow rate Cooling Heating m3 min 34 0 37 5 Piping connection Type Flare connection Indoor unit Liquid side mm 6 35 Gas side mm 9 52 Outdoor unit Liquid side mm 6 35 Gas side mm 9 52 Maximum length m 20 Maximun charge less length m 15 Maximum height difference m 10 Refrigerat Name of refrigerat R410A Weight kg 0 80 Wiring Power supply 3 Wires Includes earth Outdoor connect...

Page 8: ...C Air Flow High Pip Length 5m Voltage 230V 2 6 Capacity Variation Ratio According to Temperature Cooling 50 55 60 65 70 75 80 85 90 95 100 105 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp Capacity ratio Conditions Indoor DB27 WB19 Indoor air flow High Pipe length 5m Heating 0 20 40 60 80 100 120 15 10 5 0 5 10 Outdoor temp Heating Capacity ratio Condition Indoor DB20 Indoor air flow H...

Page 9: ... in the refrig eration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a l...

Page 10: ...et joints Nominal diameter 1 4 3 8 1 2 5 8 Reference outer diameter of copper pipe jointed mm 6 35 9 52 12 70 15 88 Minimum joint thickness mm 0 50 0 60 0 70 0 80 3 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil than lubricating oils used in the installed air...

Page 11: ...0 to 0 5 0 to 0 5 0 to 0 5 0 to 0 5 Conventional flare tool Clutch type Wing nut type 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Table 3 2 4 Dimensions related to flare processing for R22 Nominal diameter 1 4 3 8 1 2 5 8 Outer diameter mm 6 35 9 52 12 70 15 88 Thickness mm 0 8 0 8 0 8 1 0 A mm Flare tool for R22 clutch type 0 to 0 5 0 to 0 5 0 to 0 5 0 ...

Page 12: ...torque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tighten ing torque comply with values designated by manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufac...

Page 13: ...ant charging Refrigerant cylinder Leakage detector Charging cylinder Usage Pipe flaring Flaring by conventional flare tool Connection of flare nut Evacuating refrigerant charge run check etc Vacuum evacuating Refrigerant charge Refrigerant charge Gas leakage check Refrigerant charge R410A air water heat pump installation Existence of new equipment for R410A Yes Yes Yes Yes Yes Yes Yes Yes Note 2 W...

Page 14: ...d the connecting port of the electronic balance and charge liquid refrigerant Indoor unit Outdoor unit Opened Opened Refrigerant cylinder with siphon Check valve Open close valve for charging Electronic balance for refrigerant charging Opened Closed Service port 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to th...

Page 15: ... of silver and copper It is used to join iron copper or copper alloy and is relatively expensive though it excels in solderability 2 Phosphor bronze brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 Low temperature brazing filler Low temperature brazing filler is generally called solder and is an alloy of tin and lead Since it is weak in adhesive stre...

Page 16: ... flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing 3 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pip...

Page 17: ...5 84 5 40 40 84 5 150 84 5 45 Installation plate outline Center line Hanger Hanger Hanger 621 170 or more 170 or more 65 or more Minimum distance to wall Minimum distance to wall Minimum distance to ceiling 16 4 1 Indoor Unit 55 60 55 50 50 60 Knock out system 8 52 58 195 Front panel Knock out system Grille Inlet 8 60 Air inlet Plasma purifier Air filter Heat exchanger 250 Wireless remote controll...

Page 18: ...Liquid side Flare 6 35 Ø Flare 9 52 Gas side 10 13 Service port 2 11 x 14 Long holes For 8 10 anchor bolt Installation dimension Air outlel 100 or more 100 or more 600 or more 600 or more Air intlel Ø Ø Ø Ø6 hole 86 Ø6 hole Ø11x14 hole R15 28 A 320 R5 5 36 108 125 50 137 92 5 4 600 320 90 600 90 275 290 550 Ø 436 Z R15 50 36 2 320 342 69 2 R5 5 x 17L Ushape For 8 10 anchor bolt FILE NO SVM 12057 ...

Page 19: ...n Line F01 FUSE 25A AC250V COIL FOR 4WAY VALVE RAS 13N3KVR E RAS 13N3AVR E RAS 10N3KVR E RAS 10N3AVR E 4 6 5 8 7 2 3 1 9 10 11 4 6 5 8 7 2 3 1 9 10 11 4 6 5 8 7 2 3 1 9 10 11 4 6 5 8 7 2 3 1 9 10 11 2 1 2 1 2 1 2 1 1 3 4 2 3 1 4 5 2 3 1 4 5 2 3 1 4 5 2 3 1 4 5 2 3 1 2 3 1 2 3 1 5 3 1 5 3 1 4 2 3 1 4 2 3 1 4 2 3 1 4 2 3 1 4 2 3 1 4 2 3 1 2 1 2 1 2 1 3 1 3 1 2 Power Supply High voltage Color indicat...

Page 20: ...minal block 5P AC250V 20A 9 Coil for PMV DC12V 10 Coil for 4 way valve AC220 240V CAM MD12TCTH 5 STF 01AJ646A1 Compressor 3 phases 4 poles Inverter attached Inverter attached Inverter attached 8 Inverter attached DA89X1C 23FZ2 Parts name Model name Rating ICF 140 43 4R L 19mH 10A CH 69 No Fan motor for indoor 2 Room temp sensor TA sensor 10kΩ at 25 C 3 Heat exchanger temp sensor TC sensor 10kΩ at ...

Page 21: ...r pipe Outer dia 6 35mm Thickness 0 8mm Sectional shape of heat insulator Allowable height difference 10m Allowable pipe length P Pressure measurement Gauge attaching port Vacuum pump connecting port Strainer Pulse Modulating valve at liquid side TD 4 way valve Compressor DA89X1C 23FZ2 TS T2 Outdoor heat exchanger Temp measurement Propeller fan Refrigerant amount 0 80kg OUTDOOR UNIT Muffler Muffle...

Page 22: ...hickness 0 8mm Sectional shape of heat insulator Allowable height difference 10m Allowable pipe length P Pressure measurement Gauge attaching port Vacuum pump connecting port Strainer Pulse Modulating valve at liquid side TD 4 way valve Compressor DA89X1C 23FZ2 TS T2 Outdoor heat exchanger Temp measurement Propeller fan Refrigerant amount 0 80kg OUTDOOR UNIT Muffler Muffler TE Min 2m Chargeless 15...

Page 23: ...High High 49 Heating Tempeature Standard Heat exchanger Indoor Outdoor Compressor condition C pressure pipe temp fan mode fan mode revolution Indoor Outdoor P MPa T1 C T2 C rps 20 7 6 2 5 to 2 7 39 to 41 0 to 3 High High 60 NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchaner path U bent Thermistor themometer 2 Connecting piping condition 5 m FILE NO SVM 12057 ...

Page 24: ...11 to 13 46 to 48 High High 75 Heating Tempeature Standard Heat exchanger Indoor Outdoor Compressor condition C pressure pipe temp fan mode fan mode revolution Indoor Outdoor P MPa T1 C T2 C rps 20 7 6 2 6 to 2 8 41 to 43 0 to 2 High High 80 NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchaner path U bent Thermistor themometer 2 Connecting piping condition 5 m ...

Page 25: ...on Serial Signal Transmitter Receiver Micro Switch Converter D C circuit Noise Filter Indoor Air purifier unit Louver Motor Louver Motor Drive Control Indoor Fan Motor Control Initializing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Operation Heat Exchanger Sensor Tc Room Temperature Sensor Ta Infrared Rays Signal Receiver and Indication Functions Cold draft preventing Function...

Page 26: ... PWM synthesis function Input current release control IGBT over current detect control Outdoor fan control High power factor correction control Inverter output frequency control A D converter function P M V control Discharge temp control 4 way valve control Signal communication to indoor unit P M V Pulse Motor Valve M C U Micro Control Unit M C U For INDOOR UNIT 4 way valve P M V Inverter DC AC Ga...

Page 27: ...ion control 2 Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role Compressor operation control Operation control of outdoor fan motor P M V control 4 way valve control Operations followed to judgment of serial signal from indoor side Detection of inverter input current and current release operation ...

Page 28: ...ion 38 11 Air purifying control Detection of abnormality 39 12 Discharge temperature control 39 13 Pulse Modulating valve P M V control 40 14 Self Cleaning function 42 15 Remote A or B selection 44 9 3 Auto Restart Function 47 9 3 1 How to Set the Auto Restart Function 47 9 3 2 How to Cancel the Auto Restart Function 48 9 3 3 Power Failure During Timer Operation 48 21 FILTER Indicator 46 9 4 Remot...

Page 29: ...N OFF Air conditioner Air purifier Operation select COOL HEAT AUTO DRY Temperature setup Air direction Swing Air volume select AUTO LOW LOW MED MED HIGH ECO ON timer setup OFF timer setup Hi POWER Indoor unit control Command signal generating function of indoor unit operation Calculation function temperature calculation Activation compensation function of indoor fan Cold draft preventive function ...

Page 30: ...d by the previous operation mode 4 DRY operation DRY operation is performed according to the difference between room temperature and the setup temperature as shown below In DRY operation fan speed is controlled in order to prevent lowering of the room temperature and to avoid air flow from blowing directly to persons 1 Detects the room temperature Ta when the DRY operation started 2 Starts operati...

Page 31: ... speed M L x 2 4 L 5 Fan speed M L x 1 4 L Linear approximation from M and L FILE NO SVM 12057 Table 1 Indoor fan air flow rate Quiet L of louver 1 When setting the fan speed to L L M M H or Quiet on the remote controller the operation is performed with the constant speed shown in Fig 1 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the f...

Page 32: ...0 5 c 1 0 d 1 5 e 2 0 f 2 5 g 5 0 5 5 L W9 M WD 1 2 3 H WE H WE Line approximate H and SUL with Tc SUL W2 Stop 46 46 Tc 34 45 45 33 33 33 21 32 32 20 A 4 A 4 A 4 A 4 A 4 A 4 Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting L L M M H W8 L M 2 WB M H 2 WE Indication Fan speed Fan speed setup HEAT ON AUTO YES NO MANUAL TC 42 C Min air flow rate control Tc 52 51 42 4...

Page 33: ...o 38 C When To is abnormal 13 8 31 7 32 3 MAX MIN MAX MIN MAX MIN MAX f 2 f 3 f A f C f D f F f 2 f 3 f 7 f A f 9 f C f 1 f 3 f 2 f 5 f 4 f 7 f 1 f 1 f 1 f 2 f 2 f 4 f 2 f 3 f B f C f C f D In cooling operation Compressor speed rps To 15 C To To 15 C To 5 5 C To 5 0 C To 15 C During To 15 C ECO mode To 5 5 C To 5 5 C When To is abnormal 16 8 47 9 48 5 MAX f 3 f 8 f 9 f 3 f 9 f A f 8 f A f D f B f ...

Page 34: ...wer of the compressor drive circuit does not exceed the specified value 5 Current release control Outdoor temp To Setup of current release point Current decrease Outdoor unit inverter main circuit control current High Low Reduce compressor speed Operating current Setup value FILE NO SVM 12057 Capacity control continues 1 The input current of the outdoor unit is detected in the inverter section of ...

Page 35: ...pressor speed is kept Q zone When temperature of the indoor heat exchanger drops in the range from 48 C to under 55 C the compressor speed is kept Q zone 2 When temperature of the indoor heat exchanger rises to 55 C or higher the compressor speed is reduced P zone 3 When temperature of the indoor heat exchanger does not rise to 52 C or when it drops below to 48 C the capacity control operation ret...

Page 36: ...lower stop the indoor fan Finish of defrost operation Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 C or higher 2 Temperature of outdoor heat exchanger is kept at 5 C or higher for 80 seconds 3 Defrost operation continues for 15 minutes Returning from defrost operation 1 Stop operation of the compressor for approx 50 seconds 2 I...

Page 37: ...ically controlled according to the operation The set louver position is stored in memory by the microcomputer The angle of the louver is indicated as the louver closes fully is 0 1 Louver position in cooling operation mode COOL HEAT and the louver returns to the stored position when the next operation is performed Cooling Heating memory position The louver position can be arbitrarily set up by pre...

Page 38: ... min 11 DRY max COOL min 6 x 4 COOL min 10 DRY max COOL min 6 x 3 COOL min 9 DRY max COOL min 6 x 2 COOL min 8 DRY max COOL min 6 x 1 COOL min C during the ECO operation 3 5 3 0 2 5 1 5 1 0 TSC 1 0 2 0 5 5 1H 2H 11 10 7 6 5 4 3 2 1 OFF Dry Max 12 11 9 8 10 6 0 6 5 3H 4H 5 0 4 5 4 0 2 0 0 5 0 5 12 9 8 Time Zone Frequency FAN Min Hz The indoor fan speed is not controlled and can be selected Heating ...

Page 39: ...ration of air conditioner air purifier an operation of air conditioner air purifier starts by pushing AC button on the remote controller Operation of air conditioner air purifier is stored in memory 1 Swing is available 2 Fan speed is Fan Auto mode varies in order M 1 L L SL Filter lamp ON Press RESET button Did you press RESET button for 3 seconds or more Did you press RESET button for 10 seconds...

Page 40: ... an error is judged again 12 Discharge temperature control Reset by RESET button Reset by RESET button or by the stop direction from the remote controller When the breaker is turned ON In restart time after power failure or RESET button is pressed while the FILTER indicator is turned on the air purifier is not turned on until the integrated operation time of the indoor fan exceeds 1 hour after ope...

Page 41: ...lve so that it is in the range of set tempera ture Discharge temp control SH Super Heat amount Ts Temperature of suction pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pulse Modulating Valve control FILE NO SVM 12057 4 When defrost operation is performed the open degree of valve is adjusted accord ing to each setup conditions during preparation for defrost and d...

Page 42: ... operation performed prior to the reception of the stop code 3 After the Self Cleaning operation has been performed for the specified period the unit stops operating Unit now performing cooling or dry operation Press STOP button Only timer indicator lights and Self Cleaning operation starts Time set now elapses Operation stops function During Self Cleaning operations The louver opens slightly The ...

Page 43: ...embly 2 To cancel Self Cleaning operation 3 To set Self Cleaning operation Turn the power supply ON Press the RESET button located on the front panel of the indoor unit for more than 3 seconds After 3 seconds the unit beeps three times The Self Cleaning is cancelled Turn the power supply ON Press the RESET button located on the front panel of the indoor unit for more than 3 seconds After 3 seconds...

Page 44: ...y 3 Default setting of Remote Control from Control B is memorized Picture factory is A the display Picture 1 2 1 2 PCB NO MCC 5046 J201 43 To separate using of remote controller for each indoor unit in case of 2 air conditioner are installed nearly This operation is to operate only one indoor unit using one remote controller When operating one indoor unit in a situation where two indoor units have...

Page 45: ...hours Repeat pressing to select the hours If the COMFORT SLEEP button is pressed again means cancel comfort sleep mode Heating mode The preset temperature will drop down as show on ECO operation Item No 9 choose the operating hours Repeat Press the COMFORT SLEEP button to pressing to setect thehours If the COMFORT SLEEP button is pressed again means cancel comfort sleep mode 1hr 3hr 5hr or 9hr 1hr...

Page 46: ...ame as AUTO mode 3 Target temperature is 24ºC 4 Louver position is set as stored position of the operating mode 5 Fan is controlled as followings Mode POWER mark is indicated on the display of the remote controller and the unit operates as follows 1 Automatic operation The indoor unit operates in according to the current operation 2 Cooling operation remote controller does not change The indoor un...

Page 47: ...dentally shut down When the unit is stand by Not operating When the unit is in operation Operation Push RESET button for more than three seconds Less than 10 seconds Motions The unit is in operation The green indicator is on The unit stops operating The green indicator is turned off After approx three seconds The unit beeps three times The green indicator flashes for 5 seconds If the unit is requi...

Page 48: ...e at this time push RESET button once more or use the remote controller to turn it off When the system is operating Operation Push RESET button for more than three seconds Less than 10 seconds Motions The unit is in operation The green indicator is on The unit stops operating The green indicator is turned off After approx three seconds The unit beeps three times If the unit is required to operate ...

Page 49: ...ntrol 9 4 1 Remote Controller and Its Functions Note The provided Remote Controller is a wireless type which also can be used as a wire Please see How to Connect The Remote Controller for Wired Operation located in installation instruction in case of wired control is required In wire operation remote controller will return to initial condition PRESET TIMER and CLOCK will return to initial conditio...

Page 50: ...ode Press Start and stop the operation Note Cooling operation the set temperature will increase automatically 0 5 degree hour for 4 hours maximum 2 degrees increase For heating operation the set temperature will decrease 8 TEMPORARY OPERATION In case of the misplaced or discharged remote control Pressing the RESET button the unit can start or stop without using the remote control Operation mode is...

Page 51: ...T button on the indoor unit for 3 seconds to set the operation 3 beep sound and OPERATION lamp blink 5 time sec for 5 seconds Do not operate ON timer and OFF timer 2 Press and hold the RESET button on the indoor unit for 3 seconds to cancel the Setting operation 3 beep sound but OPERATION lamp does not blink 12 QUIET OPERATION To operate at super low fan speed for quiet operation except in DRY mod...

Page 52: ...operation starts Press the Hi POWER button to start and press it again to stop the operation 8 PRESET indicator Flashes for 3 seconds when the PRESET button is pressed during operation The mark is shown when holding down the button for more than 3 seconds while the mark is flashing Press another button to turn off the mark 9 ECO indicator Indicates when the ECO is in activated Press the ECO button...

Page 53: ...able provided by installer Shield pipe Filter Attach to the front panel Air filter Hook Installation plate Hook 65 mm or more 170 mm or more 170 mm or more 600 mm or more 100 mm or more 100 mm or more 600 mm or more 600 mm or more 5 Filter 8 Flat head wood screw Flat head wood screw Battery cover Before installing the wireless remote controller Loading Batteries 1 Remove the battery cover 2 Insert...

Page 54: ...o the bottom plate of the outdoor unit before installing it 53 Parts name Refrigerant piping Liquid side 6 35 mm Gas side 9 52 mm Pipe insulating material polyethylene foam 6 mm thick Putty PVC tapes Part Code A B C Q ty One each 1 One each FILE NO SVM 12057 10 2 Installation 10 2 1 Optional installation parts Fixing bolt arrangement of outdoor unit Air inlet Air outlet Drain outlet 600 mm 90 mm 1...

Page 55: ...nstallation parts The part marked with asterisk is packaged with the outdoor unit 10 Cap water proof x 2 Remote control holder x 1 4 Plasma air purifier x 1 6 TOSHIBA New IAQ filter L x 1 5 8 9 7 Mounting screw 4 x 25 s x 6 Flat head wood screw 3 1 x 16 s x 2 Drain nipple x 1 Flat head wood screw 3 1 x 25 s x 1 Battery cover x 1 12 11 Others Name Owner s manual Installation manual ...

Page 56: ... size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size As pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur The size of opposite sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and 3 8 By i...

Page 57: ... sunlight or close to a heating source such as a stove Keep the remote control at least 1 m apart from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference The location of the remote control should be determined as shown below Fig 10 3 1 10 3 2 Cutting a Hole and Mounting Installation Plate Cutting a hole When installing the refrigerant pipes...

Page 58: ...parts 10 3 3 Wiring Connection How to connect the connecting cable FILE NO SVM 12057 Installation plate Keep horizontal direction 7 Mounting screw 4 x 25 s screws NOTE Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it 7 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord cla...

Page 59: ...s are exist please take them out The combination of using wire controller and batteries may cause of batteries explosion 3 Make hole for insert control wire by use screwdriver break the polyester sheet as shown on figure 7 4 Insert control wire from rear side of remote controller as shown on figure 8 5 Fix control wire which arrange as shown on figure 9 and 10 to terminal by provided screws tighte...

Page 60: ...ft or right side of the front panal for the left or right connection and the slit on the bonttom left or right side of the front panel for the bottom left or right connection with a pair of nippers Heat insulator Drain hose How to install the drain hose Firmly insert drain hose connecting part until hitting on a heat insulator and fix it with a screw How to remove the drain hose Fig 10 3 12 The dr...

Page 61: ...ection pipe within a radius of 30 mm To connect the pipe after installation of the unit figure Fig 10 3 17 NOTE If the pipe is bent incorrectly the indoor unit may unstably be set on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them Bind the auxiliary pipes two and connecting cable with facing ta...

Page 62: ... sloped downwards NOTE The hole should be made at a slight downward slant on the outdoor side Fig 10 3 20 2 Put water in the drain pan and make sure that the water is drained out of doors 3 When connecting extension drain hose insulate the connecting part of extension drain hose with shield pipe Fig 10 3 21 This air conditioner has the structure designed to drain water collected from dew which for...

Page 63: ...efrigerant Use a scale having a precision with at least 10 g per index line when adding the refrigerant Do not use a bathroom scale or similar instrument Use liquid refrigerant when refilling the refrigerant Since the refrigerant is in liquid form it can fill quickly Therefore perform the filling operation carefully and insert the refrigerant gradually CAUTION 1 Install the outdoor unit without an...

Page 64: ...orque wrench as shown in the figure Fig 10 4 6 Half union Flare nut Externally threaded side Internally threaded side Use a wrench to secure Use a torque wrench to tighten Outer dia of copper pipe Ø6 35 mm Ø9 52 mm Ø12 7 mm Tightening torque 16 to 18 1 6 to 1 8 kgf m 30 to 42 3 0 to 4 2 kgf m 50 to 62 5 0 to 6 2 kgf m Flare at indoor unit side Flare at outdoor unit side CAUTION Do not apply excess...

Page 65: ...For details see the vacuum pump manual Packed valve at liquid side Pressure gauge Manifold valve Packed valve at gas side Vacuum pump adapter for counter flow prevention 101 kPa 76 cmHg Handle Lo Compound pressure gauge Charge hose Connecting pipe Vacuum pump Charge hose Handle Hi Keep full closed Service port Valve core Setting pin For R410A only For R410A only For R410A only Use a vacuum pump Be...

Page 66: ...r 60245 IEC66 NOTE 1 5 mm2 or more 10 4 5 Electrical Work wiring capacity CAUTION Connection to fixed wiring A switch or circuit breaker which disconnects all poles and has a contact separation of at least 3 mm must be incorporated in the fixed wiring An approved circuit breaker or switches switched must be used Perform wiring works so as to allow a general 10 4 6 Wiring Connection 1 Remove the va...

Page 67: ...itioner ON 2 Point the remote control at the indoor unit 3 Push and hold CHECK button on the Remote Control by the tip of the pencil 00 will be shown on the display 4 Press MODE during pushing CHECK B will show on the display and 00 will disappear and the air conditioner will turn OFF The Remote Control B is memorized Picture Picture 1 2 Fig 10 5 2 NOTE 1 Repeat above step to reset Remote Control ...

Page 68: ...estart 1 Press and hold the RESET button on the indoor unit 3 seconds to set the operation 3 beep sound and OPERATION lamp blink 5 time sec for 5 seconds 2 Press and hold the RESET button on the indoor unit for 3 seconds to cancel the operation 3 beep sound but OPERATION lamp does not blink In case of ON timer or OFF timer are set RESET button Information 10 5 3 Test operation To switch the TEST R...

Page 69: ...parts on the P C board by hand The new inverter 3DV inverter will be incorporated starting with this unit 3DV 3 shunt Discrete Vector control K The control circuitry has an uninsulated construction No 1 2 3 4 5 Troubleshooting Procedure First Confirmation Primary Judgment Judgment by Flashing LED of Indoor Unit Self Diagnosis by Remote Controller Judgment of Trouble by Every Symptom No 6 7 8 9 10 ...

Page 70: ...e components Sensor leads Do NOT lay the circuit board assembly flat K Precautions when inspecting the control section of the outdoor unit NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280 to 380V remains and discharging takes a lot of time After turning off the power source if touc...

Page 71: ...creasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after In AUTO mode the operation mode is changed In HEAT mode the compressor motor speed does not increase up to the maxi mum speed or decreases before the temperature arrives at the set temperature Description The OPERATION lamp of the indoor unit fl...

Page 72: ...onditioner operates 2 When item B and C and item B and a part of item E occur concurrently priority is given to the block of item B 3 The check codes can be confirmed on the remote controller for servicing OPERATION Green Flashing display 1 Hz OPERATION Green TIMER Yellow FILTER Orange Flashing display 5 Hz OPERATION Green FILTER Orange Flashing display 5 Hz OPERATION Green TIMER Yellow Flashing d...

Page 73: ...ton If there is no fault with a code the indoor unit will beep once Beep and the display of the remote controller will change as follows The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes to as shown in Table 11 4 1 Press ON or OFF button to change the check code backward If there is a fault the indoor unit will beep for 10 seconds ...

Page 74: ...rns the initial status However the check codes are not deleted even if the power supply is turned off because they are stored in the fixed memory 3 After servicing press CLR button under check mode status and then send the check code 7F to the indoor unit The error code stored in memory is cleared Table 11 4 1 Block distinction Operation of diagnosis function Block Indoor P C board etc Not display...

Page 75: ...tion Block Outdoor P C board Not displayed Outdoor P C board Others including compressor Operation of diagnosis function Cause of operation Inverter over current protective circuit operates Short time Position detect circuit error or short circuit between windings of compressor Current detect circuit error Being out of place disconnection or short circuit of the outdoor heat exchanger sensor TE or...

Page 76: ...of indoor control board normal Does transmission mark on remote controller flash normally and is its signal transmitted properly Item by symptoms Operation Check Item Considerable principle cause Measures Parts R01 C01 C02 R02 C03 D01 D02 D03 D04 Remote controller is defective Refer to 5 Troubleshooting for remote controller Parts of a power supply circuit defective Unit operates normally Replace ...

Page 77: ... by hand at the operation stop condition is the rotation signal DC 12V 0V detected between 2 Purple lead and 3 Blue lead of the motor connector CN33 1 pulse 1 revolutio Dose AC120V or higher voltage apply to between red and black lead of the motor Is it possible to change airflow level to HIGH Stop the operation Does fan motor continue to operate Does indoor fan operate Fan motor operates normally...

Page 78: ...N33 P C board WHI BLK RED BLK RED WHI BLU PUR GRY BLU PUR GRY Resistance value Position P C board Between 3 Black 1 Red Between 3 Black 5 White BLK WHI RED PUR GRY BLU 4 Indoor fan motor automatically starts to rotate by turning on power supply of Judgment of Trouble by Every Symptom Do not disconnect the connector while the fan motor is rotating For P C board side proceed to the item Only indoor ...

Page 79: ...unit to TEST RUN or TEMPORARY AUTO Can any signal tone be heard in a transistor 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 Battery life Replace the batteries Reset the remote control by take off batteries Dose the transmission ind...

Page 80: ...transmission from indoor unit to outdoor unit is correctly performed based upon the follow ing diagram NOTE Measurement should be performed 2 minutes and 30 seconds after starting of the operation Be sure to prepare a diode for judgment Normal time Voltage swings between DC15 and 60V Inverter Assembly check 11 8 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after ope...

Page 81: ...ressure is low Is connecter of coil connected to inverter Is coil of the pulse motor valve P M V correctly set Existence of condensation at outlet of P M V If there is condensation at outlet 1 4 inch Ø6 35mm valve side the valve is clogged Are temp sensors of indoor outdoor units correctly set to the holder NOTE The temperature sensors which are used to control pulse motor valve include indoor hea...

Page 82: ... C board Micro switch is stuck Micro switch malfunction To item Power supply is not turned on Replace the main P C board Replace micro switch Does the PURE indicator go off within 2 seconds after it was ON and does the FILTER indicator Orange go on Are the electric dust collector and ionizer dried Electrode check Dry the electric dust collector and ionizer Is DC 5V to DC 10V applied between Brown ...

Page 83: ...duction of micro switch connector under OFF status of the micro switch Front panel opened Is there conduction of micro switch connector under ON status of the micro switch Front panel closed Does the indoor fan rotate Does the PURE indicator Blue or the FILTER indicator Orange go on Is DC12V applied between Red DC12V and Brown GND of CN1 of the high voltage generator in the air purifier Micro swit...

Page 84: ...mary If fuse was blown be sure to check the electrolytic capacitor and diode block DB01 Connect discharge resistance approx 100Ω 40W or soldering iron plug between terminals of the electro lytic capacitor 500µF or 760µF of C14 with printed CAUTION HIGH VOLTAGE on P C board OK if 500µF or 760µF DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because CN300 is a connector with...

Page 85: ...1 How to Check the P C Board Indoor Unit 1 Operating precautions 1 When removing the front panel or the P C board be sure to shut off the power supply breaker 2 When removing the P C board hold the edge of the P C board and do not apply force to the parts 3 When connecting or disconnecting the connectors on the P C board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1...

Page 86: ... TIMER FILTER PURE are lit for 3 seconds and they return to normal 3 seconds later 1 Check whether or not the com pressor operates 2 Check whether or not the OPERATION indicator flashes 1 Check whether or not the com pressor operates 2 Check whether or not the OPERATION indicator flashes 1 Check it is impossible to detect the voltage AC120V or higher voltage between red and black 2 The motor does ...

Page 87: ...0 40 50 Resistance value k Temperature C TD Discharge temp sensor TA Room temp sensor TC Heat exchanger temp sensor TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor TS Suction temp sensor TA TC TO TE TS TD 1 Sensor characteristic table 5V 86 FILE NO SVM 12057 ...

Page 88: ...sistance value of each winding coil by using the tester Under normal temp 25 C Position 1 to 2 1 to 3 1 to 4 1 to 5 Resistance value 250 20Ω Refer to 11 5 1 3 and 4 2 3 Remote controller Louver motor MSBPC20F04 4 Indoor fan motor Measure the resistance value of each winding by using the tester Position Red White White Black Black Red Resistance value Under 20ºC DA89X1C 1F 23FZ2 1 04 to 1 16Ω Posit...

Page 89: ...at exchanger temperature sensor TE Temperature Sensor TD kΩ TO TS TE kΩ 10 C 20 C 25 C 30 C 40 C 50 C 100 64 50 41 27 18 20 7 12 6 10 0 7 9 4 5 Part name Checking procedure CAM MD12TCTH 2 Position Gray White Gray Orange Red Yellow Red Blue Resistance value 43 to 49Ω 43 to 49Ω 43 to 49Ω 43 to 49Ω Model CAM MD12TCTH 2 RAS 10N3AVR E RAS 13N3AVR E 4 Pulse motor valve coil FILE NO SVM 12057 88 ...

Page 90: ...d surface Heat sink IGBT side C12 C13 C14 Case that product is good Pointer swings once and returns slowly When performing test once again under another polarity the pointer should return C12 C13 C14 500µF or 760µF 400V 2 Diode block 1 Turn OFF the power supply breaker 2 Completely discharge the four electrolytic capacitors 3 Remove the diode block from the PCB which is soldered in place 4 Use a m...

Page 91: ...of the outdoor fan motor 4 Motor drive circuit failure of the outdoor P C board 3 How to simply judge whether outdoor fan motor is good or bad NOTE However GND circuit error inside of the motor may be accepted in some cases when the above check is performed When the fan motor does not become normal even if P C board is replaced replace the outdoor fan motor If the resistance value between 1 Red le...

Page 92: ...nite any oil mixed with the refrigerant gas 2 Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated 3 Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir cuitry...

Page 93: ...positions of the air outlet and then hang the hanging hooks 3 pcs at the top side of the front panel to the rear plate 2 Insert the plasma air purifier Press in the plasma air parifier until the protrusions on both sides are completely inserted into the holders If installation is incomplete the FILTER indicator orange may light 3 Tighten two screws Incomplete hanging or incomplete pressing may cau...

Page 94: ...e high voltage generat 4 Attach the air ionizer to the back body How to assemble the high voltage generator 1 Insert the high voltage generator straight into the evaporator voltage generator from the evaporator Check whether it is completed inserted 3 Disconnect the connectors of the high voltage generator 4 Remove the fixing screws 2 pcs and remove the high voltage generator from the evaporator C...

Page 95: ... back body and secure it using the fixing screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom FILE NO SVM 12057 6 Disengage the display unit by simply pushing at the top of the dis...

Page 96: ...m 2 Remove the pipe holder from the rear side of the main unit 3 Remove two fixing screws at the left side of the end plate of the heat exchanger Remarks 4 Remove one fixing screw on the heat exchage fixing holder to separate the heat exchage from the back body 5 Remove right side of the end plate from two fixing rib while sliding slightly the heat exchanger rightward 2 screws Heat exchanger fixin...

Page 97: ... Remove the two screws used to secure the bearing base 3 Remove the bearing base Caution at assembling If the bearing is out from the housing push it into the specified position and then incorporate it in the main body Remarks Two screws Bearing Bearing base FILE NO SVM 12057 ...

Page 98: ...w of the cross flow fan 3 Remove two fixing screws of the motor cover and them remove the motor cover 4 Remove two more fixing screws of the motor band and remove the motor band Remarks 5 Pull the fan motor outward Set screw Reference condition of Fan Motor s assembly Two screw Motor cover Two screws on motor band 7 ...

Page 99: ... power supply off to stop the operation of air conditioner 2 Remove the front panel Remove the 2 fixing screws 3 Remove the electrical part base Remarks Replace terminal block microcomputer ass y and the P C board ass y 12 2 Microcomputer FILE NO SVM 12057 ...

Page 100: ...e the indoor unit 2 Attach the upper cabinet ST1TØ4 10L 5 pcs 3 Perform cabling of connecting cable and attach the cord clamp Fix the cord clamp by tightening the screws ST2T 4 x 14L 3 pcs fitting 2 concave parts of the cord clamp to each connecting cables 4 Attach the valve cover ST1T 4 x 10L 3 pcs Insert the upper part into the square hole of the side cabinet set hook claws of the valve cover to...

Page 101: ...t is fitted into the side cabinet left at the front left side so pull up the top of the front cabinet to remove it 2 Attachment 1 Insert the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the bottom plate Insert the claw of the side cabinet right into the square hole in the front cabinet 3 Return the screws that wer...

Page 102: ...E This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between Requirement As each connector has a lock mecha nism avoid to remove the connector by holding the lead wire but by holding the connector Discharging position Discharging period 10 seconds or more Plug of soldering iron The connector is one with lock so remove it while pushin...

Page 103: ...nnect them they must be pressed in the direction of the arrow while pulling them out P C board base P C board CN700 CN602 CN300 CN701 CN603 CN601 CN600 FILE NO SVM 12057 CN703 CN703 Heater 2P White NOTE These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the P C board base R...

Page 104: ...at exchanger Remarks Detail A Detail B Detail C 1 Perform work of item 1 of and 2 Remove the flange nut fixing the fan motor and the propeller Flange nut is loosened by turning clock wise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 4 pcs holding by hands so that the fan motor does n...

Page 105: ... burner Take care to keep the 4 way valve away from naked flames Otherwise it may malfunction 7 Remove the fixing screw of the bottom plate and heat exchanger ST1TØ4 10L 1 pc 8 Remove the fixing screw of the bottom plate and valve fixing plate ST1TØ4 10L 1 pcs 9 Pull upward the refrigeration cycle 10 Remove NUT 3 pcs fixing the compres sor to the bottom plate Remarks Reactor 1 Perform work of item...

Page 106: ...ng claws by pushing minus screwdriver according to the arrow mark in the right figure and remove the fan guard 2 Attachment 1 Insert claws of the fan guard in the holes of the front cabinet Push the hooking claws 9 positions by hands and fix the claws Check that all the hooking claws are fixed to the specified positions FILE NO SVM 12057 1 Detachment 1 Perform step 1 in all the steps in and 1 in 2...

Page 107: ...perly and trouble will result if the sensors have not been installed in their proper positions TS sensor Suction pipe temperature sensor Attachment Install the senser onto the straight pipe part of the suction pipe Be careful for the lead direction of the sensor TD sensor Discharge pipe temperature sensor Attachment With its leads pointed upward install the sensor onto the vertical straight pipe p...

Page 108: ... them 9 Wind the attached color tape round the both terminals of the protective tube when colored protective tube is used 10 Fix the sensor again Remarks 1 2 3 4 5 6 Parts name Sensor Sensor Spring A Sensor Spring B Thermal constringent tube Color tape Terminal Q ty 1 1 1 3 1 3 Cutting here Cutting here Cutting here Soldered part Dryer Winding the color tape 100 200 Connector Thermal sensor part T...

Page 109: ...BLY 219 43T44402 REFRIGERANT CYCLE ASSEMBLY 206 43T11301 PIPE SHIELD 221 43T00584 PANEL SERVICE ASSEMBLY 207 43T83305 HOLDER REMOTE CONTROL 222 43T80327 FILTER AIR R 208 43T60382 MOTOR CORD 223 43T80328 FILTER AIR L 209 43T82310 INSTALLATION PLATE 224 43T09479 GRILLE OF AIR INLET 210 43T69499 UNIT ELECTRIC PURIFIER 225 43T80320 HIGH VOLTAGE POWER 211 43T19333 HOLDER SENSOR SUPPLY UNIT ASS 212 43T0...

Page 110: ...t Location Part No No No No 401 43T69319 TEMPERATURE SENSOR 406 43T6V340 PC BOARD For RAS 10N3KVR E 403 43T69320 TEMPERATURE SENSOR 406 43T6V341 PC BOARD For RAS 13N3KVR E 404 43T62340 CORD CLAMP 407 43T60378 TERMINAL 405 43T6V317 PC BOARD ASSY WRS LED 408 43T60417 TERMINAL Description Description ...

Page 111: ...420 COMPRESSOR 25 43T49335 RUBBER CUSHION 9 43T43410 CONDENSER ASSEMBLY 26 43T46343 4 WAY VALVE For RAS 10N3AVR E 27 43T63320 4 WAY VALVE COIL ASSEMBLY 9 43T43434 CONDENSER ASSEMBLY 28 43T63319 HOLDER SENSOR For RAS 13N3AVR E 29 43T79305 DRAIN NIPPLE 10 43T46358 VALVE PACKED 6 35 DIA 30 43T39333 MOTOR BASE 11 43T46366 VALVE PACKED 9 52 DIA CONNECTION PLATE 12 43T47331 BONNET 6 35 DIA 31 43T63318 H...

Page 112: ...O Sensor Ø6 Location Part Location Part No No No No 701 43T62320 HEATSINK 704 43T60326 FUSE 702 43T69780 PC BOARD For RAS 10N3AVR E 705 43T60377 TEMPERATURE SENSOR 702 43T69815 PC BOARD For RAS 13N3AVR E 706 43T50304 SENSOR HEAT EXCHANGER 703 43T60392 TERMINAL 5P 707 43T62313 BASE PLATE PC Description Description ...

Page 113: ... 56 FILE NO SVM 03005 TOSHIBA CARRIER THAILAND CO LTD ...

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Toshiba RAS-10N3AVR-E, Service Manual

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