Toshiba RAS-10N3AV2-A, Service Manual

Page 1: ...VICE MANUAL SPLIT TYPE January 2013 FILE NO SVM 13001 SPLIT TYPE Indoor Unit Outdoor Unit High Wall Heat PumpType Heat PumpType RAS 13N3KV2 A RAS 13N3AV2 A RAS 10N3KV2 A RAS 10N3AV2 A RAS 16N3KV2 A RAS 16N3AV2 A ...

Page 2: ...7 5 WIRING DIAGRAM 19 6 SPECIFICATIONS OF ELECTRICAL PARTS 21 7 REFRIGERANT CYCLE DIAGRAM 22 8 CONTROL BLOCK DIAGRAM 26 9 OPERATION DESCRIPTION 28 10 INSTALLATION PROCEDURE 53 11 HOW TO DIAGNOSE THE TROUBLE 69 12 HOW TO REPLACE THE MAIN PARTS 94 13 EXPLODED VIEWS AND PARTS LIST 111 FILE NO SVM 13001 ...

Page 3: ... EXPLOSION TO PREVENT OVERHEATING THE INDOOR UNIT AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEATERS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT R410A WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE IF AIR OR ANY OTHER GAS IS MIXED ...

Page 4: ...t where flammable gas may leak It there is any gas leakage or accumulation around the unit it can cause a fire Do not select a location for installation where there may be excessive water or humidity such as a bathroom Deterioration of insulation may cause elestrical shock or fire Installation work must be performed following the instructions in this installation manual Improper installation may c...

Page 5: ... Ensure that drained water is discharged Improper drainage can result in water leakage causing water damage to furniture Tighten the flare nut with a torque wrench using the prescribed method Do not apply excess torque Otherwise the nut may crack after a long period of usage and it may cause the leakage of refrigerant Wear gloves heavy gloves such as cotton gloves for installation work Failure to ...

Page 6: ... Compressor Motor output W 750 Type Single rotary type with DC inverter variable speed conrol Model DA89X1C 23FZ2 Fan motor output W Air flow rate Cooling Heating m 3 min 30 30 Piping Type Flare connection 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 Maximum charge less length m 15 Maximum height difference m 10 R...

Page 7: ...Compressor Motor output W 750 1100 Type Single rotary type with DC inverter variable speed control Twin rotary type with DC inverter variable speed control Model DA108X1C 23FZ DA131S1B 31FZ Fan motor output W 43 43 Air flow rate Cooling Heating m3 min 37 5 37 5 34 0 34 0 Piping Type Flare connection connection Indoor unit Liquid side mm 6 35 6 35 Gas side mm 9 52 12 7 Outdoor unit Liquid side mm 6...

Page 8: ...oltage 230V RAS 10N3KV2 A RAS 10N3KV2 A Capacity Variation Ratio According to Temperature RAS 10N3KV2 A 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 RAS 10N3KV2 A Conditions Indoor DB27 WB19 Indoor air flow High Pipe length 5m Capacity ratio 100 2 5kW RAS 10N3KV2 A Heating 0 20 40 60 80 100 120 15 10 5 0 5 10 Outdoor temp He...

Page 9: ... 7oC WB 6oC Air Flow High Pipe Length 5m Voltage 230V RAS 13N3KV2 A RAS 16N3KV2 A RAS 13N3KV2 A RAS 16N3KV2 A Cooling Heating 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 Capacity ratio Outdoor temp oC 0 20 40 60 80 100 120 15 10 5 0 5 10 Capacity ratio Outdoor temp oC Conditions Indoor DB 27oC WB 19oC Outdoor DB 35oC Air Flow High Pipe Length 5m Voltage 230V ...

Page 10: ... 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 11: ...ket 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 ai...

Page 12: ...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 13: ...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 14: ...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 15: ...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 16: ... 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 strength do not use it fo...

Page 17: ... 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 18: ...80 4 1 Indoor Unit Installation plate outline Hanger Hanger Center line Hanger 621 Drain hose 0 50m Connecting pipe 0 40m Connecting pipe 0 35m 6 35mm Flare Installation plate hanger Installation plate hanger For 10 13k series Flare 9 52mm 116 170 or more 170 or more 65 or more Minimum distance to wall Minimum distance to wall Minimum distance to ceiling 63 Remote controller holder 17 5 149 17 For...

Page 19: ...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 Flare 12 7 16 2 R5 5 x 17L Ushape For 8 10 anchor bolt FILE NO SVM ...

Page 20: ...WHI CN62 BLU CN61 WHI CN51 CN01 1 1 2 2 3 3 3 3 2 2 1 1 3 3 2 2 1 1 3 3 2 1 1 2 2 1 1 6 6 5 5 4 4 3 3 2 1 1 2 2 1 1 1 2 2 3 1 3 1 1 2 1 2 3 L N COMPRESSOR RED WHI BLK YEL YEL BRW YEL ORN REACTOR P06 P25 P24 R221 P C BOARD MCC 5009 R220 R219 L03 R321 CN300 CN700 L01 CN603 TS SUCTION PIPE TEMP SENSOR TO OUTDOOR TEMP SENSOR TD DISCHARGE PIPE TEMP SENSOR TE CONDENSER PIPE TEMP SENSOR CN602 VARISTOR SU...

Page 21: ...t BLK WHI RED Indoor terminal block Heat exchanger GRN YEL CN11 BLK 1 1 2 2 3 3 3 3 2 2 1 1 3 3 2 2 1 1 3 3 2 1 1 2 2 1 1 6 6 5 5 4 4 3 3 2 1 1 2 2 1 1 1 1 2 1 2 2 3 1 3 1 1 2 1 2 3 L N COMPRESSOR RED WHI BLK YEL YEL BR W YEL ORN REACT OR P06 P25 P24 R221 P C BOARD MCC 5009 R220 R219 L03 R321 CN300 CN700 L01 CN603 TS SUCTION PIPE TEMP SENSOR TO OUTDOOR TEMP SENSOR TD DISCHARGE PIPE TEMP SENSOR TE ...

Page 22: ...140V 43W 3 Suction temp sensor TS sensor Inverter attached 10kW 25 C 4 Discharge temp sensor TD sensor Inverter attached 62kW 20 C 5 Outside air temp sensor TO sensor Inverter attached 10kW 25 C 6 Heat exchanger temp sensor TE sensor Inverter attached 10kW 25 C 20A AC250V Reactor 1 1 Fan motor for indoor Terminal block 7 3 phases 4 poles 1100W 10k DA89X1C 23FZ2 16k DA131S1B 31FZ CAM MD12TCTH 5 STF...

Page 23: ...ss flow fan Deoxidized copper 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...

Page 24: ...kness 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 DA108X1C 23FZ TS T2 Outdoor heat exchanger Temp measurement Propeller fan Refrigerant amount 1 05kg OUTDOOR UNIT Muffler Muffler TE Min 2m Chargeless 15m M...

Page 25: ...tional 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 Ø1 2 x 80 Ø1 2 x 80 TD 4 way valve Compressor DA131S1B 31FZ TS T2 Outdoor heat exchanger Split capillary Temp measurement Propeller fan Refrigerant amount 1 10kg OUTDOOR UNIT Muffler Muffler TE TC...

Page 26: ... 0 9 to 1 1 12 to 14 37 to 39 High High 49 13N3KV2 A 0 8 to 1 0 11 to 13 46 to 48 High High 59 16N3KV2 A 0 8 to 1 0 11 to 13 40 to 42 High High 67 condition C Tempeature Heat exchanger pipe temp Model name Standard Indoor Outdoor Compressor RAS pressure fan mode fan mode revolution Indoor Outdoor P MPa T1 C T2 C rps 20 7 6 10N3KV2 A 2 5 to 2 7 39 to 41 0 to 3 High High 60 13N3KV2 A 2 6 to 2 8 41 t...

Page 27: ...r Supply Circuit Infrared Rays 36 7kHz Remote Controller Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver AUTO Swing Louver Direction Setting QUIET Operation Mode Selection AUTO COOL DRY HEAT REMOTE CONTROLLER ECO Hi POWER Heat Exchanger Sensor Tc Room Temperature Sensor Ta Infrared Rays Signal Receiver and Indication Functions Cold draft preventing Function 3 minute De...

Page 28: ...hesis 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 Gate drive ...

Page 29: ...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 30: ...eration 39 10 Temporary operation 40 11 12 Discharge temperature control 40 13 Pulse Modulating valve P M V control 41 Self Cleaning function 42 14 15 Remote A or B selection 44 9 3 Auto Restart Function 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 49 20 FILTER Indicator 46 9 4 Remote Controller and Its Fu...

Page 31: ...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 32: ...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 33: ...ard Fan speed and air flow volume broadly vary with position 1 When setting the fan speed to L L M M or H 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 fan speed level shown in Fig 2 and Table 1 according to the setup temperature and room tempe...

Page 34: ... 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 41 Limited to Min WD tap Fan speed TC W8 W8 No limit 1 Fan speed M L x 1 4 L 2 Fan speed M L x 2 4 L 3 Fan speed M L x 3 4 L Calculated with linear approximation from M and L FAN AUTO FAN Manual In starting Until 12 minutes passed after operation start When 12...

Page 35: ... 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 C f D f 3 f...

Page 36: ...oes not exceed the specified value 5 Current release control Set temp Ts Room temp Ta Correction of Hz signal Outdoor temp To Setup of current release point Capacity control continues Inverter output change Commutation timing change Change of compressor speed Remote controller Indoor unit Ts Ta Current decrease Correction value of Hz signal Operating Hz Outdoor unit inverter main circuit control c...

Page 37: ...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 38: ...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 39: ...e 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 pressing FIX button 38 FILE NO SVM 13001 3 Swing Swing operation is perfor in range 35 with the Fixed position as the cen...

Page 40: ...B C A B C Time Compressor speed 0Hz A zone aHz B zone a to cHz C zone cHz 0 0 5 1 0 1 5 2 0 2 5 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 Room temp Set temp 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 TA 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 Fan speed depend on presetting and can change every speed 1 The control target te...

Page 41: ...ter lamp ON Press RESET button Did you press RESET button for 3 seconds or more Did you press RESET button for 10 seconds or more Switch to AUTO RESTART control YES YES NO NO NO YES Temporary AUTO operation Temporary COOL Operation FILE NO SVM 13001 11 Discharge temperature control 1 Purpose This function detects error on the refrigerating cycle or error on the com pressor and performs protective ...

Page 42: ... 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 Starting up Initialize Move to initial position PMV open degree control SH control Td release control Turn OFF by remote controller Move to Stop Compressor Stop by Room Temperature Compressor ON Defrosting operation Control...

Page 43: ... 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 44: ...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 45: ...ontroller selection is set to A on all the indoor units There is no A setting display Setting the remote controller To separate using of remote control for each indoor unit in case of 2 air conditioner are installed nearly Remote Control B Setup 1 Press RESET button on the indoor unit to turn 2 Point the remote control at the indoor unit 3 Push and hold CHK button on the Remote Control by the tip ...

Page 46: ...rs 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 3h...

Page 47: ...according to room temperature the same 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 contr...

Page 48: ... 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 at this time press RESET button once more or use the remote controller to turn it on 1 The power supply to the unit must be ON The function will not set or reset if the po...

Page 49: ...t 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 at ...

Page 50: ...perature 9 4 Remote control 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 retu...

Page 51: ...he RESET button the unit can start or stop without using the remote control Operation mode is set on AUTOMATIC operation preset temperature is 24 C and fan operation is automatic speed 8 TIMER OPERATION FILE NO SVM 13001 MODE HiPOWER Setting the ON Timer Setting the OFF Timer Press Set the desired ON timer Press Set the desired OFF timer Press Set the timer Press Set the timer Press Cancel the tim...

Page 52: ...mp 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 11 QUIET OPERATION To operate at super low fan speed for quiet operation except in DRY mode Press Start and stop the operation Note Under certain conditions QUIET operation may not p...

Page 53: ... shown when holding down the button for more than 3 seconds while the mark is flashing Press another button to turn off the mark 8 ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press it again to stop operation 9 A B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the rem...

Page 54: ... bottom right or bottom left Right Rear right Bottom right Rear left Bottom left Left 6 mm thick heat resisting polyethylene foam 1 Batteries Flat head wood screw Remote control holder Vinyl tape Apply after carrying out a drainage test Wireless remote control Saddle Extension drain hose Not available provided by installer Shield pipe Attach to the front panel Air filter Hook Installation plate Ho...

Page 55: ... 10 to the bottom plate of the outdoor unit before installing it A Air inlet Air outlet Drain outlet 600 mm 90 mm 125 mm 108 mm 28 mm 86 mm 102 mm 320 mm 2 5 m m Æ 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 Q ty One each 1 One each 10 1 2 Optional installation parts 12 70 mm 10 13k Series 10 2 I...

Page 56: ... Part No Part No Part name Q ty 10 Flat head wood screw 3 1 x 25 s x 1 Others Name Owner s manual Installation manual Remote control holder x 1 4 Toshiba New IAQ filter L x 1 5 6 Battery cover x 1 Mounting screw 4 x 25 s x 6 7 8 Drain nipple x 1 9 11 The part marked with asterisk is packaged with the outdoor unit Flat head wood screw 3 1 x 16 s x 2 Cap water proof x 2 ...

Page 57: ... 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 58: ... 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 59: ...ws 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 clamp 3 Insert the connecting cable according to the local cords into the pipe hole on the wall 4 Take out the connecting cable through the cable slot on the rear ...

Page 60: ...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 61: ... 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 drai...

Page 62: ...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 63: ... 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 64: ...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 65: ...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 66: ...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 67: ...rcuit 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 valve cover from the outdoor unit 2 Connect power cord to the terminal block and then connect the connecting cable to the ter...

Page 68: ...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 69: ...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 70: ...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 71: ...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 72: ... Increasing 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...

Page 73: ...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 74: ...button 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 secon...

Page 75: ...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 76: ...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 77: ...econd later turn it on again Is OPERATION indicator flashing Is it possible to turn on power supply by pushing button on remote controller Is voltage DC12V or 5V indicated on rear 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 C...

Page 78: ...perly Is DC310 340V supplied between CN10 1 3 Does fan motor connector between CN10 1 3 short circuit Item by symptoms Operation Check Item Considerable principle cause Measures Parts R01 R02 DB01 C01 C03 IC11 and T101 are defective Remote controller is defective Refer to 5 Troubleshooting for remote controller Parts of a power supply circuit defective Unit operates normally Replace main P C board...

Page 79: ...oss flow fan 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 opera...

Page 80: ...onnector CN31 Check this condition within 15 seconds after starting unit Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 5 and 3 of motor connector CN31 Is it possible to detect DC 1V or more between 5 and 3 of motor connector CN31 Is it possible to detect DC 310 340V between 1 and 3 of motor connector CN31 Motor connection c...

Page 81: ...tor in for 16k Cause The IC is built in the indoor fan motor Therefore the P C board is also mounted to inside of the motor If the P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply Inspection procedure 1 Remove the front panel Remove 2 screws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN31 connecto...

Page 82: ...t of Trouble by Every Symptom AFN 220 20 4D 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 oper 1 3 5 1 2 3 2 1 3 2 1 3 2 1 3 2 1 3 CN31 CN33 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 Between 1 Red 5 White 74 15 Ω 100 20 ...

Page 83: ... 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 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 ...

Page 84: ...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 7 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after ope...

Page 85: ...d gas if pressure 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 ...

Page 86: ...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 87: ...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 88: ...MER FILTER PRE DEF Hi POWER are lit for 3 seconds and they return to normal 3 seconds later 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION indicator flashes 1 Check whether or not the compressor 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 moto...

Page 89: ...all indicators OPERATION TIMER FILTER PRE DEF Hi POWER are lit for 3 seconds and they return to normal 3 seconds later 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION indicator flashes 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION indicator flashes 1 Check it is impossible to detect the voltage DC 15V between 3 and 4 of the ...

Page 90: ...k Temperature C TD 1 Sensor characteristic table 89 12V GND 5V 12V FILE NO SVM 13001 11 8 2 P C Board Layout For 10 13k TA TC TO TE TS TA Room temp sensor TC Heat exchanger temp sensor TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor TS Suction temp sensor ...

Page 91: ... 30 40 50 Resistance value k Temperature C 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 12V GND 5V FILE NO SVM 13001 ...

Page 92: ...ue 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 Under 20 C Disconnect the connector and measure resistance value with the tester Normal temperature Outdoor temperature sensor TO discharge temperature sensor TD suction temperature sensor TS outdoor heat exchanger temperature sensor TE Temperatur...

Page 93: ...how in continuity test by the tester C12 C13 C14 500µF or 760µF 400V 2 Converter module 1 Turn OFF the power supply breaker 2 Discharge all three capacitors completely 3 Check that the normal rectification characteristics are shown in continuity test by the tester Case that product is good Pointer swings once and returns slowly When performing test once again under another polarity the pointer sho...

Page 94: ...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 95: ...shed they may ignite 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 inspectin...

Page 96: ...cs 6 Take off three hooks of panel from rear side How to assemble the front panel 1 Press three center positions and two lower center 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 Tighten two screws Incomplete hanging or incomplete pressing may cause a dewdrops or generation of a fluttering sound 2 Screws Three hooks FILE N...

Page 97: ...parts box assembly onto the claws on the back body 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 5 Disengage the display unit by simply pushing at the top of the display unit 6 Rem...

Page 98: ... 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 fixing holder S...

Page 99: ... 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 13001 ...

Page 100: ...ove 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 Two screws Motor cover Two screws on motor band Part name FILE NO SVM 13001 Reference condition of Fan Motor s assembly ...

Page 101: ...he set screw install the cross flow fan so that flat area on shaft of the fan motor comes to the mounting hole of the set screw FILE NO SVM 13001 Perform positioning of the fan motor as follows When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front After assembling the two hooking claws of the motor b...

Page 102: ... 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 13001 ...

Page 103: ...de 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 t...

Page 104: ...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 105: ...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 106: ... their housing must be released before they are disconnected 2 Remove the control board assembly from the P C board base Remove the heat sink and control board assembly while keeping them screwed together NOTE Disengage the four claws of the P C board base hold the heat sink and lift to remove it 3 Remove the two fixing screws used to secure the heat sink and control board assembly 4 Mount the new...

Page 107: ...d heat 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 do...

Page 108: ... 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 pc 9 Pull upward the refrigeration cycle Remarks Reactor 1 Perform work of item 1 of and 2 Remove screws fixing the reactors ST1TØ4 10L 4 pcs For 16k Reactor Pa...

Page 109: ... 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 13001 Remarks 1 Detachment 1 Perform step 1 in all the steps in and 1 in 2...

Page 110: ...itions 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 part of the discharge pipe TO sensor Outside air temperature sensor Attachment Insert the...

Page 111: ... 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 112: ...9 TEMPERATURE SENSOR 406 43T69840 PC BOARD RAS 10N3KV2 A 402 43T50306 TEMPERATURE SENSOR 406 43T69969 PC BOARD RAS 13N3KV2 A RAS 16N3KV2 A 406 43T69970 PC BOARD RAS 16N3KV2 A 403 43T69320 TEMPERATURE SENSOR 407 43T60378 TERMINAL 404 43T62340 CORD CLAMP 408 43T60417 TERMINAL 405 43T6V316 PC BOARD ASSY WRS LED Description Description ...

Page 113: ... REFRIGERANT CYCLE ASSEMBLY 206 43T11301 PIPE SHIELD RAS 10N3KV2 A RAS 16N3KV2 A 206 43T49010 PIPE SHIELD RAS 13 16N3KV2 A 219 43T44475 REFRIGERANT CYCLE ASSEMBLY 207 43T83305 HOLDER REMOTE CONTROL RAS 13N3KV2 A 208 43T60382 MOTOR CORD 221 43T00598 PANEL SERVICE ASSEMBLY 209 43T82310 INSTALLATION PLATE 222 43T80327 FILTER AIR R 211 43T19333 HOLDER SENSOR 223 43T80328 FILTER AIR L 212 43T09408 PIPE...

Page 114: ...MBLY 24 43T97001 NUT RAS 10N3AV2 A 25 43T49335 RUBBER CUSHION 9 43T43412 CONDENSER ASSEMBLY 26 43T46343 4 WAY VALVE RAS 10N3AV2 A RAS 13 16N3AV2 A 26 43T46375 4 WAY VALVE 10 43T46332 VALVE PACKED 6 35 DIA RAS 13 16N3AV2 A RAS 10N3AV2 A 27 43T63320 4 WAY VALVE COIL ASSEMBLY 10 43T46358 VALVE PACKED 6 35 DIA RAS 10N3AV2 A RAS 13 16N3AV2 A 27 43T63337 4 WAY VALVE COIL ASSEMBLY 11 43T46366 VALVE PACKE...

Page 115: ...1 43T62320 HEATSINK 704 43T60326 FUSE 702 43T69780 PC BOARD RAS 10N3AV2 A 705 43T60377 TEMPERATURE SENSOR 702 43T69967 PC BOARD RAS 13N3AV2 A 706 43T50304 SENSOR HEAT EXCHANGER 702 43T69968 PC BOARD RAS 16N3AV2 A 707 43T62313 BASE PLATE PC 703 43T60392 TERMINAL 5P Description Description ...

Page 116: ... 56 FILE NO SVM 03005 TOSHIBA CARRIER THAILAND CO LTD ...