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R410A

SERVICE MANUAL

SPLIT TYPE

Indoor Unit Outdoor Unit

<High Wall, Heat Pump Type> <Heat Pump Type>

Revised on May, 2014

FILE NO. SVM-12050-1

SWI

FAN

FIX

QUIET

Hi POWER

ONE-T OU

COMFOR

SLEEP

RAS-B13N3KV2-E RAS-13N3AV2-E

RAS-B10N3KV2-E RAS-10N3AV2-E

Содержание RAS-B10N3KV2-E

Страница 1: ...LIT TYPE Indoor Unit Outdoor Unit High Wall Heat PumpType Heat PumpType Revised on May 2014 FILE NO SVM 12050 1 SWING FAN FIX QUIET HiPOWER ONE T OUCH COM FOR T SLEE P RAS B13N3KV2 E RAS 13N3AV2 E RAS B10N3KV2 E RAS 10N3AV2 E ...

Страница 2: ...5 5 WIRING DIAGRAM 17 6 SPECIFICATIONS OF ELECTRICAL PARTS 18 7 REFRIGERANT CYCLE DIAGRAM 19 8 CONTROL BLOCK DIAGRAM 22 9 OPERATION DESCRIPTION 24 10 INSTALLATION PROCEDURE 48 11 HOW TO DIAGNOSE THE TROUBLE 62 12 HOW TO REPLACE THE MAIN PARTS 83 13 EXPLODED VIEWS AND PARTS LIST 100 FILE NO SVM 12050 ...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 6: ... E RAS 13N3AV2 E Dimension Height mm 550 550 Width mm 780 780 Depth mm 290 290 Net weigh kg 33 33 Compressor Motor output W 750 750 Type Single rotary type with DC inverter variable speed control Model DA89X1C 23FZ2 Fan motor output W Air flow rate Cooling Heating m 3 min 30 30 37 5 37 5 Piping Type Flare connection Flare connection connection Indoor unit Liquid side mm 6 35 6 35 Gas side mm 9 52 ...

Страница 7: ...V RAS B10N3KV2 E RAS B13N3KV2 E RAS B10N3KV2 E RAS B13N3KV2 E 2 4 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 RAS B10N3KV2 E RAS B...

Страница 8: ... 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...

Страница 9: ...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...

Страница 10: ... 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 t...

Страница 11: ...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...

Страница 12: ...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...

Страница 13: ...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...

Страница 14: ... 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...

Страница 15: ... 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...

Страница 16: ...ont panel 225 63 7 48 480 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 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 1...

Страница 17: ...er Liquid side Flare 6 35 Ø Flare 9 52 Gas side 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 12050 ...

Страница 18: ...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 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 SURGE ABSORBE...

Страница 19: ... 43W 3 Suction temp sensor TS sensor Inverter attached 10kΩ 25 C 4 Discharge temp sensor TD sensor Inverter attached 62kΩ 20 C 5 Outside air temp sensor TO sensor Inverter attached 10kΩ 25 C 6 Heat exchanger temp sensor TE sensor Inverter attached 10kΩ 25 C Reactor 1 1 Fan motor for indoor 20A AC250V DA89X1C 23FZ2 CAM MD12TCTH 5 STF 01AJ646A1 3 phases 4 poles 750W DC12V AC220 240V Coil for 4 way v...

Страница 20: ...heat exchanger Cross 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 Refrige...

Страница 21: ...n 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 OUTDOOR U...

Страница 22: ...de revolution Indoor Outdoor P MPa T1 C T2 C rps 27 19 35 B10N3KV2 E 0 9 to 1 1 12 to 14 37 to 39 High High 49 0 8 to 1 0 11 to 13 46 to 48 High High 75 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 2 5 to 2 7 39 to 41 0 to 3 High High 60 2 6 to 2 8 41 to 43 0 to 2 Hi...

Страница 23: ...lator Circuit Power 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 Fu...

Страница 24: ...ynthesis 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 dri...

Страница 25: ...ir purifier operation 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 ...

Страница 26: ... adjustment 34 3 Swing 34 9 ECO operation 35 10 Temporary operation 36 11 12 Discharge temperature control 36 13 Pulse Modulating valve P M V control 37 Self Cleaning function 38 14 15 Remote A or B selection 39 9 3 Auto Restart Function 9 3 1 How to Set the Auto Restart Function 42 9 3 2 How to Cancel the Auto Restart Function 43 9 3 3 Power Failure During Timer Operation 43 19 FILTER Indicator 4...

Страница 27: ...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 ...

Страница 28: ...he operation mode the fan speed is controlled 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 whe...

Страница 29: ...tion of the fan motor is controlled to the fan speed level shown in Fig 2 and Table 1 according to the setup tempera ture room temperature and heat exchanger temperature Fig 1 Fig 2 Table 1 Indoor fan air flow rate 2 5 Ta C 2 0 1 5 1 0 0 5 Tsc a b c d e M WB 3 4 5 L W6 Air volume AUTO L L M M H W6 L M 2 W9 M H 2 WC Indication Fan speed Fan speed setup COOL ON AUTO MANUAL 3 Fan speed M L x 3 4 L 4 ...

Страница 30: ... 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 WA 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 L...

Страница 31: ...er ON Remote controller YES YES NO NO Indoor unit controller Fan motor ON 3 Fan lock OFF status of fan motor continues 4 Motor operates as shown in the table below 1 Outdoor unit operation command Outdoor fan control Air conditioner OFF Alarm display Outdoor fan speed rpm Tap f 1 f 2 f 3 f 4 f 5 f 6 f 7 f 8 RAS 10N3AV2 E 200 200 300 300 370 370 440 440 440 440 500 500 550 550 600 600 Tap f 9 f A f...

Страница 32: ...lectric power of the compressor drive circuit does 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 Detection of electromotive force of compressor motor winding Detection of motor speed and rotor position Inverter output change Commutation timing change Change of compr...

Страница 33: ...pressor speed is kept Q zone When temperature of the indoor heat exchanger drops in the range from 46 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 50 C or when it drops below to 46 C the capacity control operation ret...

Страница 34: ...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...

Страница 35: ...either upper or lower limit position swing operation is performed in width 35 from the limit which the stop position exceeded 3 Swing 2 Louver position in heating operation 2 Air direction adjustment The position is automatically 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 ...

Страница 36: ... 30 minutes A 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 Hz B10N3K...

Страница 37: ...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 12050 11 Discharge temperature control 1 Purpose This function detects error on the refrigerating cycle or error on the com pressor and performs protective ...

Страница 38: ... in the range of set tempera ture Discharge temp control 4 When defrost operation is performed the open degree of valve is adjusted accord ing to each setup conditions during preparation for defrost and during defrost operation 4 way valve is inversed 5 To turn off the compressor while the air conditioner stops by control of the thermostat or by remote controller adjust the open degree of valve to...

Страница 39: ... 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 ...

Страница 40: ... nearby rooms this operation prevents the remote controller signal from being received simultaneously by both units thus preventing both units from operating 3 Operation The indoor unit on which the remote controller selection has been set to B receives the signal of the remote control ler also set to B At the factory the remote controller selection is set to A on all the indoor units There is no ...

Страница 41: ...e 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 3hr 5hr or 9 hr 40 capacity SLEEP mode FILE NO...

Страница 42: ...tap The preset temperature drops 1ºC The value of the preset temperature on the 3 Heating operation remote controller does not change The indoor unit s fan speed level increase 1 tap The preset temperature increases 2ºC The value of the preset temperature on the 4 The Hi POWER mode can not be set in Dry operation 19 FILTER When the elapsed time reaches 1000 hours after Indicator air conditioner op...

Страница 43: ...ion This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 9 3 1...

Страница 44: ...ired to operate at this time press RESET button once more or use the remote controller to turn it on 9 3 2 How to Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote controller after the main power supply is turned off When the sy...

Страница 45: ...t button FILTER 19 Set clock button CLOCK 20 Check button CHECK 21 Reset button RESET SWING FAN FIX QUIET Hi POWER ONE TOUCH COMFORT SLEEP 4 5 10 21 11 14 16 8 1 2 13 17 20 15 12 3 19 7 6 18 9 9 4 2 Operation of remote control 1 ONE TOUCH Press the ONE TOUCH button for fully automated operation that is customised to the typical consumer preferences in your region of the world The coutomised settin...

Страница 46: ...misplaced or discharged remote control Pressing the 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 Setting the ON Timer Setting the OFF Timer Press ON Set the desired ON timer Press OFF Set the desired OFF timer Press SET Set the timer Press SET S...

Страница 47: ...mds 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 QUIET Start and stop the operation Note Under certain conditions QUIET operation may not provide adequate cooling ...

Страница 48: ... than 3 seconds while the mark is blinks 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 remote controller setting is A there is no indica...

Страница 49: ... 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...

Страница 50: ...d cap water proof 11 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 2 1 Optional installation parts 10 2 Install...

Страница 51: ... 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 ...

Страница 52: ... 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...

Страница 53: ...h 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 45 45 75 Top view Indoor unit Reception range Reception range Remote control Indoor unit Remote control Side view 10 3 Indoor Unit 10 3 1 Installati...

Страница 54: ...ews to install it Installation plate Keep horizontal direction How to connect the connecting cable Wiring of the connecting cable can be carried out 10 3 3 Wiring connection 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 ...

Страница 55: ...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...

Страница 56: ...it on the left or right side of the front panal for the left or right connection and the slit on th bonttom left or right side of the front panel for the botto 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...

Страница 57: ...pe Bend the connection 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 CAUTION Bind the auxiliary pipes two and connect...

Страница 58: ...se sloped downwards NOTE 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 CAUTION Arrange the drain pipe for proper drainage from the unit Improper drainage can result...

Страница 59: ... and vibration A place where the operation noise and discharged air do not disturb your neighbors A place which is not exposed to a strong wind A place free of a leakage of combustible gases A place which does not block a passage When the outdoor unit is to be installed in an elevated position be sure to secure its feet The allowable pipe length is up to 20 m If the length is over 15 m add 20 g of...

Страница 60: ... minute Then confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure side valve handle of gauge manifold valve 6 Open fully the valve stem of the packed valves both gas and liquid sides 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Fig 10 4 7 Packed valve at liquid side Pressure gauge Manifold valve Packed val...

Страница 61: ...ize of wire and wiring method etc Every wire must be connected firmly This installation circuit breaker must be used specified CAUTION for the power supply line of this air conditioner Fig 10 4 9 If incorrect or incomplete wiring is carried out it will Stripping length of the connecting cable cause an ignition or smoke Prepare the power supply for exclusive use with the air conditioner L This prod...

Страница 62: ... 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 NOTE 1 Repeat above step to reset Remote Control to be A 2 Remote Control A has not A display 3 Default setting of Remote Control from factory is A is memorized Picture Picture 1 2 10 5 3 Test operation To switc...

Страница 63: ...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 ...

Страница 64: ...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...

Страница 65: ... 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...

Страница 66: ...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...

Страница 67: ...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 ...

Страница 68: ...e 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 displayed Con...

Страница 69: ...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...

Страница 70: ...ATION lamp blinking NO YES NO NO YES YES Is it possible to turn on power supply by pressing button on remote control Does transmission mark on remote control flash normally and is its signal transmitted properly Remote control is defective Refer to 4 Remote Control Is fuse F01 of indoor control board blown Is voltage DC 12V or 5V indicated on rear of indoor control board normal Microcomputer is de...

Страница 71: ...P C board is replaced Confirmation procedure YES YES NO NO To item of Power is not turned on Turn on power supply Does operation lamp flash Is wired correctly to white and black lead wires of terminal board Correct wiring 70 FILE NO SVM 12050 ...

Страница 72: ...motor Does the fan rotate Change the setting of cooling to high fan Operation stops Shut off the power supply Motor control circuit failure IC31 Q301 or 12 V Switching power supply failure Does the cross flow fan rotate normally Is the rotation signal DC 5 V 0 V output between 2 gray lead wire and 3 brown lead wire of the motor connector CN33 when rotating the cross flow fan by hand in no operatin...

Страница 73: ...ment 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 operate 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 249 17 Ω ...

Страница 74: ...indoor unit beep and operate Remote control is defective Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote control when a signal is transmitted at distance of 5 cm from radio P C board is defective Keep indoor unit away from thyristor fluorescent light Avoid direct sunlight Replace P C board Replace batteries Normal operation Replace remote cont...

Страница 75: ...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...

Страница 76: ...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 ...

Страница 77: ...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...

Страница 78: ...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...

Страница 79: ...ION 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 AC120V or higher voltage between red and black 2 Th...

Страница 80: ...perature C TA TC TO TS TE TD 1 Sensor characteristic table 79 12V GND 5V 12V FILE NO SVM 12050 11 8 2 P C Board Layout TD Discharge temp sensor TA Room temp sensor TC Heat exchanger temp sensor TO Outdoor temp sensor TS Suction temp sensor TE Outdoor heat exchanger temp sensor ...

Страница 81: ...Refer to 11 5 1 5 Measure the resistance 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 250Ω 7 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...

Страница 82: ...re show in continuity test by the tester C12 C13 C14 500µF 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 should r...

Страница 83: ...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...

Страница 84: ...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...

Страница 85: ... screws 2 pcs 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 h...

Страница 86: ...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...

Страница 87: ... 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...

Страница 88: ... 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 12050 ...

Страница 89: ...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 12050 Reference condition of Fan Motor s assembly ...

Страница 90: ...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 12050 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...

Страница 91: ... 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 12050 ...

Страница 92: ...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...

Страница 93: ...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...

Страница 94: ...tor 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 4 Remove screw ST1T 4 x 10L 4pcs fixing the terminal part of inverter...

Страница 95: ...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 ...

Страница 96: ...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...

Страница 97: ...th a 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 pc 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 i...

Страница 98: ...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 12050 1 Detachment 1 Perform step 1 in all the steps in and 1 in 2...

Страница 99: ...be controlled properly and trouble will result if the sensors have not been installed in their proper positions Detail C for 10k Detail C for 13k 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 i...

Страница 100: ... 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...

Страница 101: ...No No No No 401 43T69319 TEMPERATURE SENSOR 406 43T6V331 PC BOARD RAS B10N63KV2 E 402 43T50306 TEMPERATURE SENSOR 406 43T6V332 PC BOARD RAS B13N63KV2 E 403 43T69320 TEMPERATURE SENSOR 407 43T60378 TERMINAL 404 43T62340 CORD CLAMP 408 43T60417 TERMINAL 405 43T6V316 PC BOARD ASSY WRS LED Description Description ...

Страница 102: ... 205 43T20325 CROSS FLOW FAN ASSEMBLY 218 43T79313 CAP DRAIN 206 43T11301 PIPE SHIELD 219 43T44409 REFRIGERANT CYCLE ASSEMBLY 207 43T83305 HOLDER REMOTE CONTROL 221 43T00598 PANEL SERVICE ASSEMBLY 208 43T60382 MOTOR CORD 222 43T80327 FILTER AIR R 209 43T82310 INSTALLATION PLATE 223 43T80328 FILTER AIR L 211 43T19333 HOLDER SENSOR 224 43T09482 GRILLE OF AIR INLET 212 43T09408 PIPE HOLDER 226 43T623...

Страница 103: ...R 24 43T97001 NUT 9 43T43410 CONDENSER ASSEMBLY 25 43T49335 RUBBER CUSHION RAS 10N3AV2 E 26 43T46343 4 WAY VALVE 9 43T43434 CONDENSER ASSEMBLY 27 43T63320 4 WAY VALVE COIL ASSEMBLY RAS 13N3AV2 E 28 43T63319 HOLDER SENSOR 10 43T46358 VALVE PACKED 6 35 DIA 29 43T79305 DRAIN NIPPLE 11 43T46366 VALVE PACKED 9 52 DIA 30 43T39333 MOTOR BASE CONNECTION PLATE 12 43T47331 BONNET 6 35 DIA 31 43T63318 HOLDER...

Страница 104: ... No No 701 43T62320 HEATSINK Made in Thailand 704 43T60326 FUSE 702 43T69780 PC BOARD RAS 10N3AV2 E 705 43T60377 TEMPERATURE SENSOR 702 43T69815 PC BOARD RAS 13N3AV2 E 706 43T50304 SENSOR HEAT EXCHANGER 703 43T60392 TERMINAL 5P 707 43T62313 BASE PLATE PC Description Description ...

Страница 105: ... 56 FILE NO SVM 03005 TOSHIBA CARRIER THAILAND CO LTD ...

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