Toshiba RAS-25G2AVP-ND, Service Manual

Page 1: ...10A SERVICE MANUAL SPLIT TYPE Indoor Unit Outdoor Unit High Wall Heat PumpType Heat PumpType RAS 13G2KVP E RAS 13G2AVP E May 2014 FILE NO SVM 14017 RAS 10G2KVP E RAS 10G2AVP E RAS 16G2KVP E RAS 16G2AVP E ...

Page 2: ... 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 62 11 HOW TO DIAGNOSE THE TROUBLE 79 12 HOW TO REPLACE THE MAIN PARTS 104 13 EXPLODED VIEWS AND PARTS LIST 122 FILE NO SVM 14017 ...

Page 3: ...nor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation Before installation please read these precautions for safety carefully Be sure to follow the precautions provided here to avoid safety risks The symbols and their meanings are shown below WARNING It indicates that incorrect use of this unit ma...

Page 4: ...cordance with the code governing such installation work internal wiring regulations and the manual A dedicated circuit and the rated voltage must be used Insufficient power supply or improper installation may cause electrical shock or fire Use a cabtyre cable to connect wires in the indoor outdoor units Midway connection is not allowed Improper connection or fixing may cause a fire Wiring between ...

Page 5: ...per drainage from the unit Ensure that drained water is discharged Improper drainage can result is 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 ins...

Page 6: ...n Interconnection Usable temperature range Indoor Cooling Heating C Outdoor Cooling Heating C Accessory Indoor unit Installation plate Wireless remote controller Batteries Remote controller holder Toshiba IAQ Filter Mounting screw Remote controller holder Pan head wood screw Plasma ionizer purifier Installation manual Owner s manual Outdoor unit Drain nipple Water proof rubber cap 1 1 2 1 Ph 220 2...

Page 7: ... 230V RAS 10G2KVP E 0 0 20 0 40 0 60 0 80 0 100 0 120 0 25 20 15 10 5 0 5 10 Heating Capacity ratio Outside Temperature ºC RAS 10G2KVP E RAS 13G2KVP E RAS 16G2KVP E RAS 10G2KVP E RAS 13G2KVP E 50 0 55 0 60 0 65 0 70 0 75 0 80 0 85 0 90 0 95 0 100 0 105 0 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Cooling Capacity ratio Outside Temperature oC Conditions Indoor DB 27oC WB 19oC Outdoor DB 35oC WB 2...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 14: ... 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 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...

Page 16: ... Installation plate outline Center line Hanger Minimum distance to wall Minimum distance to wall Minimum distance to wall 52mm or more 190mm or more 225mm or more 64 6 Front panel 62 Knock out system 270 6 64 62 Knock out system 104 3 312 150 150 150 150 131 5 99 Drain hose 0 6m Connecting pipe 0 62m Hanger Connecting pipe 0 66m Flare 6 35mm Hanger 63 Remote controller holder 149 26 57 Wiress remo...

Page 17: ...0 600 440 99 FAN GUARD 29 125 108 106 330 29 B 25 Drain outlet 2 11x14 Hole For 8 10 anchor bolt A 351 330 COVER PV View Z 630 299 View Z 137 92 5 4 Service port Gas side 10 13 Flare 9 52 16 Flare 12 70 Liquid side Flare 6 35 Electrical part 36 50 R15 6 hole 11x14 hole 330 316 B detail drawing Front leg 316 330 R15 50 36 R5 5 6 hole 600 A detail drawing Back leg FILE NO SVM 14017 4 2 Outdoor Unit ...

Page 18: ... 17 5 WIRING DIAGRAM FILE NO SVM 14017 ...

Page 19: ...nverter attached Inverter attached Parts name Model name Rating ICF 140 43 4R No Fan motor for indoor 2 Room temp sensor TA sensor 10kΩ at 25 C 3 Heat exchanger temp sensor TC sensor 10kΩ at 25 C 4 Louver motor Output Rated 1W 16 poles DC12V 24BYJ48 HT MF 340 30 3 DC250 370 30W Parts name 1 Specif ications Type 5 Heat exchanger temp sensor Tcj sensor 10kΩ at 25 C FILE NO SVM 14017 CH 57 Z T R JX0 ...

Page 20: ...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 Pulse Modulating valve at liquid side Ø1 2 x 80 Ø1 2 x 80 TD 4 way valve Compressor DA111A1F 24F TS T2 Outdoor heat exchanger Split capillary Temp measurement Propeller fan Refrigerant amount 1 05kg OUTDOOR UNIT Muffler Muff...

Page 21: ...erence 10m Allowable pipe length P Pressure measurement Gauge attaching port Vacuum pump connecting port Pulse Modulating valve at liquid side Ø1 2 x 80 Ø1 2 x 80 TD 4 way valve Compressor DA150A1T 21F TS T2 Outdoor heat exchanger Split capillary Temp measurement Propeller fan Refrigerant amount 1 05kg OUTDOOR UNIT Muffler Muffler TE TC TA Min 2m Chargeless 15m Charge 20g m 16 to 25m charging of r...

Page 22: ...VP E 0 8 to 1 0 11 to 13 42 to 44 High High 62 Heating Tempeature Model name Standard Heat exchanger Indoor Outdoor Compressor condition C RAS pressure pipe temp fan mode fan mode revolution Indoor Outdoor P MPa T1 C T2 C rps 20 7 6 10G2KVP E 2 3 to 2 5 33 to 35 2 to 3 High High 48 13G2KVP E 2 5 to 2 7 36 to 38 2 to 3 High High 44 16G2KVP E 2 7 to 2 9 39 to 41 1 to 2 High High 64 NOTES 1 Measure s...

Page 23: ...re Sensor TA Infrared Rays Signal Receiver and Indication Functions Cold draft preventing Function 3 minute Delay at Restart for Compressor Fan Motor Starting Control Processing Temperature Processing Timer Weekly Timer Serial Signal Communication Clean Function Power Selection 22 Indoor Fan Motor Heat Exchanger Sensor TCJ Infrared Rays 36 7kHz Remote Controller Thermo Setting Fan Speed Selection ...

Page 24: ... Motor Valve M C U Micro Control Unit For INDOOR UNIT 4 way valve P M V Inverter DC AC Gate drive circuit Gate drive circuit Inverter DC AC Outdoor Fan motor Compressor MCC 5088 P C B OUTDOOR UNIT Current detect Current detect PWM synthesis function Input current release control IGBT over current detect control Outdoor fan control High power factor correction control Inverter output frequency cont...

Page 25: ...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 26: ...rol Detection of abnormality 40 12 Discharge temperature control 41 14 Pulse Modulating valve P M V control 42 15 Self Cleaning function 43 16 Remote A or B selection 44 9 3 Auto Restart Function 9 3 1 How to Set the Auto Restart Function 50 9 3 2 How to Cancel the Auto Restart Function 51 9 3 3 Power Failure During Timer Operation 51 21 POWER selection mode 47 9 4 Remote Controller and Its Fuctio...

Page 27: ... DRY Temperature setup Air direction Swing Air volume select AUTO QUIET LOW LOW MED MED HIGH ECO ON timer setup OFF timer setup Hi POWER Selection of operation conditions ON OFF COMFORT SLEEP QUIET PRESET ONE TOUCH FILE NO SVM 14017 POWER SELECTION Indoor unit control Operationcommand Power relay signal Serial transmission signal Serial Inverter Transmission Signal receiving Outdoor unit Indoor un...

Page 28: ...door fan is operated according to the contents of 2 Indoor fan motor control and the louver according to the contents of 9 Louver control respectively 3 The outdoor unit controls the outdoor fan motor compressor pulse Modulating valve and 4 way valve according to the operation signal sent from the indoor unit FILE NO SVM 14017 Remote control settings Operation ON Indoor unit control Operation comm...

Page 29: ...E NO SVM 14017 3 AUTO operation Selection of operation mode As shown in the following figure the operation starts by selecting automatically the status of room temperature Ta when starting AUTO operation 1 When reselecting the operation mode the fan speed is controlled by the previous operation mode 1 Detects the room temperature Ta when the operation started 2 Selects an operation mode from Ta in...

Page 30: ...ution 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 RAS 10G2KVP E RAS 13G2KVP E RAS 16G2KVP E Cooling Heating Cooling Heating Cooling Heating Fan speed Air Flow rate Fan speed Air Flow rate Fan speed Air Flow rate Fan speed Air Flow rate Fan speed Air Flow rate Fan speed Air Flow ...

Page 31: ...temperature 3 C FAN AUTO When 25 minutes or more passed after operation start FAN Manual Room temperature Set temperature 4 C Room temperature Set temperature 3 5 C Fig 3 Fig 4 Cold draft preventive control Fig 6 Fan speed AUTO Basic fan control No limitation while fan speed MANUAL mode is in stability A When Tsc 24 A is 24 and when Tsc 24 A is Tsc Tsc Set value TSC TA C b 0 5 c 1 0 d 1 5 e 2 0 f ...

Page 32: ...7 Air conditioner ON Remote controller YES YES NO NO Indoor unit controller Fan motor ON 3 Fan lock 4 Motor operates as shown in the table below 1 Outdoor unit operation command Outdoor fan control Air conditioner OFF Alarm display 2 Fan speed 400 by strong wind when the motor OFF Fan motor OFF continues Use wind for heat exchanging In Cooling operation In Heating operation Hz 13 8 13 8 Hz 32 4 32...

Page 33: ...power 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 14017 Capacity control continues 1 The input current of the outdoor unit is detected in the inverter section o...

Page 34: ...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 35: ...rost operation continues for 15 minutes Returning from defrost operation 1 Stop operation of the compressor for approx 50 seconds 2 Invert OFF 4 way valve approx 40 seconds after stop of the compressor 3 The outdoor fan starts rotating at the same time when the compressor starts Table 1 The minimum value of Te sensor 10 to 15 minutes after start of operation is stored in memory as Te0 A zone B zon...

Page 36: ... extreme condition one can manually defrost at any time by pressing button on the remote controller On demand defrost setting In AUTO or Heat mode pass SET button and hold for 5 seconds When this function activate DF will be shown on display C PURE TEMP PRESET SET 7 Defrost control Only in heating operation ...

Page 37: ... Initial setting is directs downward 13 4 Default setting is directs downward 26 1 Wide air direction Wide position is directs downward 13 4 Wide angle Right wide Left wide Left side lover setting is left facing 45 9 Right side lover setting is right facing 45 9 Left side lover setting is front facing 0 Right side lover setting is right facing 45 9 Left side lover setting is left facing 45 9 Right...

Page 38: ...facing 45 9 Right side lover setting is right facing 45 9 Left side lover setting is front facing 0 Right side lover setting is right facing 45 9 Left side lover setting is left facing 45 9 Right side lover setting is front facing 0 Spot air direction Spot position is directs downward 43 1 Wide front Sport right Spot left Left side lover setting is front facing 0 Right side lover setting is front ...

Page 39: ...n range 35 from the limit 3 Swing Fixed Position before start swing Upper Limit Position Lower Limit Position 30 o 5 o Swing range 35 o Swing When pressing SWING button during operation the louver starts swinging Upper Limit Position Lower Limit Position Fixed Position before start swing 17 5 o 17 5 o Swing range 35 o Horizotal blowing Inclined blowing Inclined blowing Blowing downward Front blowi...

Page 40: ...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 Operation ECO Start 30 minutes Time 0 0 Compressor stop C 1 0 2 0 3 0 4 0 7 0 8 0 11 0 5 0 6 0...

Page 41: ... by pushing AC button on the remote controller Operation of air conditioner plasma ionizer 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 or more Switch to AUTO RESTART control YES YES NO NO NO YES Temporary AUTO ope...

Page 42: ...er is not turned on until the integrated operation time of the indoor fan exceeds 1 hour after operation start It is nor the Plasma ionizer purifier operation time It is the safety measures considering an incom plete drain when electric dust collector has been cleaned with water 1 Purpose This function detects error on the refrigerating cycle or error on the com pressor and performs protective con...

Page 43: ...may be heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was exces sively up adjust the open degree of valve 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 Starting up Ini...

Page 44: ... 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 45: ...LED Self cleaning flash 1 Hz function Timer LED Flash 1 Hz OFF flash 1 Hz not flash ON OFF ON OFF Setting diagnosis code 06 on remote controlle See detail of setting diagnosis code in 11 4 1 Take the remote controller to direction of LED display on air conditioner press button up at ON of the remote controller Fig 15 1 2 1 time to send the code 07 within 3 sec after press RESET buton then air cond...

Page 46: ...omfort sleep mode 1hr 3hr 5hr or 9hr 1hr 3hr 5hr or 9 hr 45 cooling load and less heating load condition Because of the fan speed may not enough the cooling capacity or heating capacity SLEEP 16 Remote A or B selection 1 Purpose This operation is to operate only one indoor unit using one remote controller 2 Description When operating one indoor unit in a situation where two indoor units have been ...

Page 47: ...preset temperature on the 4 The Hi POWER mode can not be set in Dry operation 46 The Hi POWER operation will be cancelled when press Hi POWER button again 19 Short Timer In the normal condition after switching one circuit breaker 3 minute delay time for compressor and 1 hour for plasma air purifier are set for the maintenance of the unit Purpose To start the unit immediately for the purpose of tes...

Page 48: ... reduce noise RESET button of the indoor unit is kept pushed for 20 seconds The number of revolution for the indoor fan motor and the seup temp value are kept as they are 3 Operation As shown in the table the maximum revolution number of indoor unit compressor can be reduced As the maximum number of revolution of the compressor is restricted the rise up performance at the start time is weakened Se...

Page 49: ...peration display Brightness Lamp illuminates an operation with full brightness 100 Lamp illuminates an operation with 50 brightness 50 Lamp illuminates an operation with 50 brightness and the operation mode lamp is turned off 50 All lamps are turned off All turned off In the examples of and the lamp illuminates for 5 seconds before going off 23 FCU Display lamp brighness control Purpose It is nece...

Page 50: ...s appropriate in real condition 2 1 Operation Factory default setting prefer Heat pump system Through it is able to cooling only system heating only system or return to factory default Operating system setting Do cut J804 for cooling only systemp Do cut J805 for heating only systemp Do cut both of J804 and J805 for return to factory default J804 ...

Page 51: ...rn it on 9 3 Auto Restart Function 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 ne...

Page 52: ... to turn it on When the system is on stand by not operating When the system is operating 1 The power supply to the unit must be ON The function will not set or reset if the power supply is OFF 2 Press the RESET button located on the front panel of the indoor unit for more than 3 seconds 3 After 3 seconds the unit beeps three times 9 3 2 How to Cancel the Auto Restart Function To cancel Auto Restar...

Page 53: ...OWER SEL On timer button ON Off timer button OFF Setup button SET Clear button CLR Clock setup button CLOCK Check button CHECK Filter reset button FILTER Reset button RESET Weekly ON OFF button Day button Temp for weekly timer button Program P1 P4 button 1 4 6 7 9 11 12 14 15 19 18 23 22 3 2 5 8 10 13 16 17 20 21 1 4 7 9 15 3 2 6 8 10 14 16 27 22 TEMP PRESET TEMP 13 17 28 18 19 20 24 23 21 26 25 1...

Page 54: ...D Press tochangetheprogramnumberinthesequenceprogram1toprogram4 PG 1 PG 2 PG 3 PG 4 4 Press or to select the desired time The time can be set between 0 00 and 23 50 in 10 minute intervals Press and hold the button to change setting time for 1 hr Only one of ON or OFF timer can be set on each program ON timer display OFF timer display OFF timer is used to stop the air conditioner only The display d...

Page 55: ...til you hear the PiPi sound This means the setting operation has been completed As the air conditioner is receiving the signal you will hear separate Pi sounds corresponding to the number of days in the selected setting An incomplete setting is indicated if the TIMER lamp is blinking Press twice Notes 1 Place the remote control where the indoor unit can receive the signal This will increase the ac...

Page 56: ...press to select program number to be confirmed Resetting the operation 3 Press to exit confirming mode Deactivating WEEKLY TIMER operation Press while WEEKLY is displayed on the LCD The WEEKLY indicator will disappear from the LCD However the program will remain in the remote control The TIMER lamp goes off again LCD shows the next To reactivate the WEEKLY TIMER operation again press program The p...

Page 57: ...be cleared and the LCD will blink 4 Press Press to delete the program while the LCD is blinking The program has now been deleted All programs 1 Press The day of the week and the program number will be displayed 2 Press and hold for 3 seconds All programs will be deleted and LCD displays current operation Notes Make sure the remote control receiving module on the air conditioner receives the signal...

Page 58: ...eration The plasma air purifier and plasma ionizer purifier can be activated or deactivated during air conditioner is stopped and the plama ionizer purifier starts in conjunction with plasma plasma ionizer purifier operation Start and stop the opera Press Press 7 Hi POWER OPERATI To automatically control room temperature and airflow for faster cooling or heating operation except in DRY and FAN ONL...

Page 59: ...lease the right side at the desired position PiPi sounds at the front Changing the air direction press FIX button Every time Pi Pi PiPi Up Down Left Right Swing Swing off Swing direction changes Movement of vertical air direction louvers Cooling operation Default setting Heating operation Default setting Louver for air flow direction up and down Louver for air flow direction up and down The shows ...

Page 60: ...ired ON timer 5 Press 3 Press for enter OFF timer setting 6 Press again during the or blink During the daily timer is activating both arrows are indicated Note Keep the remote control in accessible transmission to the indoor unit otherwise the time lag of up to 15 minutes will occur The setting will be saved for the next same operation 12 PRESET OPERAT Set your preferred operation for future use T...

Page 61: ...Press Select for 100 for 75 for 50 In case of 75 and 50 level number 75 or 50 also flashes for 2 seconds It limits the maximum current power consumption to 100 75 or 50 The lower the percentage the higher the saving and also the longer the compressor lifetime When the level is selected PWR SEL level flashes on LCD display for 3 seconds inadequate capacity may occur Due to the reason that POWER SEL...

Page 62: ... indicator Indicates when the Hi POWER 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 POWER SEL 10 A B change indicator ...

Page 63: ... allow the drain hose to get slack Cut the piping hole sloped slightly The auxiliary piping can be connected to the left rear right right or bottom right Right Rear right Bottom right Left 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 Atta...

Page 64: ...talling it 63 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 12 70 mm 10 13k Series 16k Series FILE NO SVM 14017 10 2 Installation 10 2 1 Optional installation parts Fixing bolt arrangement of outdoor unit Drain outlet Air inlet Air outlet 125 mm 108 mm Ø25 mm 29 mm 33...

Page 65: ...me Q ty Remote control holder x 1 Part No 4 5 6 Part No Others Name Owner s manual Installation manual Part name Q ty Mounting screw 4 x 25 s x 6 Flat head wood screw 3 1 x 16 s x 2 Drain nipple x 1 10 2 2 Accessory and installation parts The part marked with asterisk is packaged with the outdoor unit Cap water proof x 2 ...

Page 66: ... 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 67: ...g 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 10 3 2 Cutting a Hole and Mounting Installation Plate Cutting a hole When installing the refrigerant pipes from the rear 1 After determining the pi...

Page 68: ...installation plate with 4 to 6 mounting screws to install it Anchor bolt Projection 15mm or less 5 mm dia hole Clip anchor local parts 5 Mounting screw Ø4 25l Installation plate Keep horizontal direction FILE NO SVM 14017 10 3 3 Piping and Drain Hose Installation Piping and drain hose forming Since condensation results in machine trouble make sure to insulate both the connecting pipes separately U...

Page 69: ...ith the insulation then secure it in place using the original screw Fig 10 3 12 Take off the cap by hand and cut of the slit After scribing slits of the bush body with a knife or a making off cut them with a pair of nippers or an equivalent tool CAUTION Firmly insert the drain hose and drain cap otherwise water may leak In case of right or left piping How to attach the drain hose Slit Cap Arter sc...

Page 70: ...door unit onto the wall hook it at the lower part on the installation plate Pull the indoor unit toward you to confirm that it is firmly hooked up on the installation plate Push Push 10 3 5 In case of Indoor unit is fi xed to Installation plate with screws 1 1 Hook here Installation plate Hook Push Installation plate Hook Remove 2 screw caps with flat screwdriver Fix them with 4x10 14L 2 screws whic...

Page 71: ... for proper drainage from the unit Improper drainage can result in dew dropping This air conditioner has the structure designed to drain water collected from dew which forms on the back of the indoor unit to the drain pan Therefore do not store the power cord and other parts at a height above the drain guide 50 mm or more Do not rise the drain hose Do not form the drain hose into the wavy shape Do...

Page 72: ...ll the outdoor unit without anything blocking the discharging air 2 When the outdoor unit is installed in a place always exposed to strong winds like on the coast or on a high story of a building secure the normal fan operation using a duct or a wind shield 3 Especially in windy areas install the unit to prevent the admission of wind 4 Installation in the following places may result in trouble Do ...

Page 73: ...drain off the water For the position where the drain nipple is installed refer to the installation diagram of the indoor and outdoor units Check that the outdoor unit is horizontal and route the drain hose at a downward sloped angle while ensuring that it is connected tautly Do not use ordinary garden hose but one can flatten and prevent water from draining Fig 10 4 4 Commercially available drain ...

Page 74: ...t use the refrigerant in the outdoor unit For details see the vacuum pump manual Fig 10 4 10 Use a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that oil inside the pump does not flow back into the air conditioner pipes when the pump stops If oil inside the vacuum pump enters into the air conditioner circuit which uses R410A trouble with the refrigeration system...

Page 75: ... Torque Cap Size H Valve Rod Cap Service Port Cap H17 H19 H22 H30 H14 H17 14 18 N m 1 4 to 1 8 kgf m 33 42 N m 3 3 to 4 2 kgf m 8 12 N m 0 8 to 1 2 kgf m 14 18 N m 1 4 to 1 8 kgf m Packed valve handling precautions Open the valve stem all the way out but do not try to open it beyond the stopper Securely tighten the valve cap with torque in the following table Fig 10 4 11 A H Hexagon wrench is requ...

Page 76: ...d clamp 8 Fix the terminal cover and attach front panel to the indoor unit Cable about 20 cm Front panel Terminals block Main panel Terminal cover 1 Remove the valve cover from the outdoor unit 2 Connect the cable to the terminals as identifi ed with their respective matched numbers on the terminal block of indoor and outdoor unit 3 When connecting the cable to the outdoor unit terminals make a loo...

Page 77: ...ing cable 50 mm 45 mm 10 mm Earth line about 20 cm Power Supply Input at Outdoor Unit Terminal Block Optional Indoor Unit Outdoor Unit Connecting CABLE Connecting cable connect to terminal block 3 Connecting cable connect to terminal block L N Stripping length of the connecting cable 3 N L Connecting cable 50 mm 90 mm 10 mm Earth line about 20 cm 45 mm 10 mm 10 mm 10 10 10 10 30 30 40 40 L N 1 2 3...

Page 78: ...ng connection may cause some electrical part burn out 8 Incorrect or incomplete wiring is carried out it will cause an ignition or smoke 9 This product can be connected to main power supply Connection to fixed wiring A switch which disconnects all poles and has a contact separation at least 3mm must be incorporated in the fixed wiring Indoor Terminal Block Power supply input Outdoor Terminal Block I...

Page 79: ...ote control for each indoor unit in case of 2 air conditioner are installed near Remote Control B Setup 1 Press RESET button on the indoor unit to turn the air conditioner ON 2 Point the remote control at the indoor unit 3 Push and hold button on the Remote Control by the tip of the pencil 00 will be shown on the display Press during pushing B will show on the display and 00 will disappear and the...

Page 80: ... may be caused in case of touching parts on the P C board by hand The new inverter will be incorporated starting with this unit The control circuitry has an uninsulated construction Fig 11 1 No 1 2 3 4 5 6 7 8 9 10 Troubleshooting Procedure First Confirmation Primary Judgment Judgment by Flashing LED of Indoor Unit Self Diagnosis by Remote Controller Check Code Judgment of Trouble by Every Symptom...

Page 81: ...ry circuit components and result in damage to the 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...

Page 82: ...operate even if the room temperature is within range of compressor ON In Dry and ECO mode FAN air flow display does not change even though FAN air flow select button is operated In AUTO mode the operation mode is changed Description The OPERATION lamp of the indoor unit flashes when power source is turned on If button is operated once flashing stops Flashes also in power failure The compressor doe...

Page 83: ... and stop operation of the air conditioner 3 When item B and C or item B and apart of item E occur concurrently priority is given to the block of item B OPERATION white Flashing display 1 Hz OPERATION white TIMER white Flashing display 5 Hz OPERATION white FILTER white Flashing display 5 Hz OPERATION white TIMER white Flashing display 5 Hz OPERATION white Flashing display 5 Hz Protective circuit o...

Page 84: ...emote controller Press ON OFF 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 OFF button to change the check code backward If there is a fault the indoor ...

Page 85: ... The room Operation Flashes when 1 Check the sensor TA and connection board temperature sensor is continues error is detected 2 In case of the sensor and its short Circuit or disconnection connection is normal check the P C board TC sensor The heat Operation Flashes when 1 Check the sensor TC and connection exchanger temperature continues error is detected 2 In case of the sensor and its sensor of...

Page 86: ...or unit open 4 The outdoor unit abnormal stop at circuit of signal some time Signal circuit of indoor If the other check codes are found P C board or outdoor concurrently check them together P C board is failure Check protector hardware such in some period as Hi Pressure switch Thermal Relay etc Check refrigerant amount or any possibility case which may caused high temperature or high pressure Che...

Page 87: ...resistance of compressor winding If circuit is shortage replace the compressor Current detect circuit of All OFF Flashes after Even if trying to operate again all inverter P C board error error is detected operations stop replace inverter 4 times P C board TE sensor The heat All OFF Flashes after 1 Check sensors TE TS and connection exchanger temperature error is detected 2 In case of the sensors ...

Page 88: ...rror count comes 4 or 8 times record error to check code But after re starting operation if no error is detected and air conditioner can operate more than 6 minutes error count is cleared The others Return signal of the outdoor Indoor unit Flashes when 1 Check power supply Rate 10 including unit has been sent when operates error is detected 2 If the air conditioner repeat operates compressor opera...

Page 89: ...tc 4 Observe any possibility cause which may affect high temperature of compressor Compressor is high current All OFF Flashes after 1 Check installation conditions such as though operation Hz is error is detected packed valve opening refrigerant decreased to minimum limit 8 times amount and power supply rate 10 Installation problem both of operation and non operation Instantaneous power condition ...

Page 90: ...circuit Item by symptoms Operation Check Item Considerable principle cause Measures Remote controller is defective Refer to 5 Troubleshooting for remote controller Unit operates normally Replace main P C board Replace fan motor Is fuse F01 of indoor control board blown Microcomputer is defective NO NO NO NO NO YES YES YES YES YES YES Point remote to digital camera Can see infrared ray at sending L...

Page 91: ...nector CN301 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 CN301 Is it possible to detect DC 310 340V between 1 and 3 of motor connector CN301 Motor connection condition Is it possible to detect DC 15V between 4 and 3 of motor connector CN...

Page 92: ...evel to HIGH Is it possible to rotate cross flow fan by hand properly Fan motor operates normally Replace bearing of cross flow fan YES YES YES NO NO NO Does check cross flow fan bearing normal condition Replace indoor fan motor Peplace main P C board Does check display on remote show high Change the new PC board Does fan speed change Replace remote Replace motor NO NO NO YES YES YES 91 A B FILE N...

Page 93: ...o 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 3 2 1 Remove the grille 3 2 2 Remove the cover terminal by release one screw 3 2 3 Remove right panel and remove E box coner 1 Turn on breaker 2 After Fan motor operate off A C by remote controller 3 Turn off breaker...

Page 94: ...he 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 Dose the transmission in...

Page 95: ...ission 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 operation...

Page 96: ... pressure from service port and add 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 ...

Page 97: ... Turn OFF power supply Check 25A fuse F01 failure Remove connector of compressor Replace control board Check terminal Voltage of electrolytic capacitor are in Voltage Rate Turn ON power Supply NO 10 x 1 414 Replace control board NO Cooling 17 C Connect discharge resistance approx 100Ω 40W or soldering iron plug between terminals of the electrolytic of C10 with printed CAUTION HIGH VOLTAGE on P C b...

Page 98: ... CN300 of outdoor fan motor Check winding resistance by ohmmeter are correct Check rotor locking by rotate Turn OFF power supply Replace outdoor fan motor NO Replace compressor Replace control board Replace compressor YES Does compresser operate normally with hand Can it rotate Turn OFF power supply Check compressor winding resistance correct is in rate A NO NO YES NO FILE NO SVM 14017 ...

Page 99: ...age generator Is DC12V applied between and of CN402 of the main P 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 Are the electric dust collector and ionizer dried Electrode check Dry the electric dust collector and ionizer Is output of the ionizer approx 5 7 kV to 6 5 kV Is output of the collector approx ...

Page 100: ...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 connec tors on the P C board hold the whole housing Do not pull at the lead wire 11 9 2 How to shorten time for start the compressor 1 Turn on remote 2 Setting requirment operat...

Page 101: ... 10 20 30 40 50 Resistance value k Temperature C TD Discharge temp sensor TA Room temp sensor TC and TCJ Heat exchanger temp sensor TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor TS Suction temp sensor TA TC TCJ TO TE TS TD 1 Sensor characteristic table GND 5V 12V 15V ...

Page 102: ...he 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 200 14Ω 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 sen...

Page 103: ...ty 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 return C09 C10 760µF Resistance value in good product Tester rod 2 3 2 3 4 1 1 2 3 DB01 DB02 4 4 2 3 1 10 to 20 Ω when the multimeter probe is reversed 2 Diode block 1 Turn OFF the power supply breaker 2 Completely discharge the two electr...

Page 104: ...inside 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...

Page 105: ...o 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 wear rubber gloves to avoid contact with the l...

Page 106: ...e 3 Remove the fixing screw at PANEL FR R 3pcs and at PLATE DECO 3 pcs following picture then pull out PANEL FR R 4 Remove a fixing screw and Cover connector assembly then remove Power supply cord after already remove fixing screws 2pcs at cord clamp 5 Remove the fixing screw that secure the cover electric box then remove cover electric box toward right side 6 Remove the screws of Earth lead that ...

Page 107: ... then remove electronic parts How to assemble the electric parts box 1 Lock the top of electric box with hook of Frame up and secure it by fixing screw with Back body After that connect the connector of High voltage generator Fan motor and Louver motor 2 Insert TA TC TCJ sensor into holder sensor Fix the grounding lead with fixing screw No Part name Work procedure Remarks High voltage generator co...

Page 108: ...lead then remove Earth assembly How to assemble the Frame 1 Press the top of Frame with 5 hooks of Back body 2 Fix Frame by 5 fixing screws Horizontal louver 1 Remove shaft of the horizontal louver from the back body First remove the center shaft and then remove the other shafts No Part name Work procedure Remarks 2 Screws 3 Screws 5 hooks from rear Earth screw 5 6 1 4 Earth screw 107 FILE NO SVM ...

Page 109: ...nerator by unlock 4 claws 5 Remove the board of HV generetor Points to note during re installation Lay the wires straight such that they pass through the earth wire in a U shape Lay the wires such that the high voltage power supply line passes in a U shape No Part name Work procedure Remarks 7 5 5 Screws Plasma ion 4 Claws U shape groove U shape groove for high voltage power supply s lead Ground l...

Page 110: ...he right side of heat exchanger 4 Move unit from the wall by pushing at point as picture and lift up the unit 5 Rotate unit to back side then remove the Pipe holder from the main unit 6 Rotate the main unit then pull out the Heatexchanger from the Back body as picture No Part name Work procedure Remarks PUSH PUSH 8 1 6 Fixing screw Fixing screw 109 FILE NO SVM 14017 ...

Page 111: ...and right 5 Pull the motor band right and the Fan Motor outward Point to note during re installation For the position of the fan motor please install such that the fan motor connector matches the position and enters the space of the ribs of the motor band right No Part name Work procedure Remarks 9 Set screw Screws Motor band right Motor connector 1 6 8 Fixing screw 110 FILE NO SVM 14017 ...

Page 112: ...e Base bearing assembly from the main unit Caution at assembling If the bearing is out from the housing push it into the specified position and then incorperate it in the main body No Part name Work procedure Remarks 10 Bearing Bearing base Base bearing assembly 6 8 9 Fixing screw Fixing screw 111 FILE NO SVM 14017 1 ...

Page 113: ...so that flat area on shaft of the fan motor comes to the mounting hole of the set screw Perform positioning of the fan motor as follow 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 band right into the main body position the fan motor insert ...

Page 114: ...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 115: ...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 116: ...ng to trouble type in some cases NOTE 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 The connector is one with lock so remove it while pushing the part indicated by an arrow Be sure to re...

Page 117: ...h to disconnect them they must be pressed in the direction of the arrow while pulling them out P C board base P C board 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 Remove the heat sink and control board assembly while keeping them screwed toge...

Page 118: ...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 119: ... 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 2 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 120: ...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 14017 1 Detachment 1 Perform step 1 in all the steps in and 1 in 2...

Page 121: ...lled properly 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 straigh...

Page 122: ... 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 123: ...248 43T80342 219 43T09503 249 43T08422 220 43T09504 251 43080675 221 4302D020 253 43T82328 222 4302D021 254 43T44532 223 43039404 ASM PANEL R S ASM PANEL L S ASM PANEL AOLT ASM AINL ASM BUSH BODY R ASM BUSH BODY L BODY BUSH DN ASM FAN CF CE110 ASM BEAR MOLD BASE BEARING LOUVER HR FR LOUVER HR BK MOTOR LOUVER ASM LOUVER VT ASM LOUVER VT ASM GEAR LV ASM ARM L BAND MOTOR 257 43T03393 ASM COV MOTOR PI...

Page 124: ...MPERATURE SENSORY 406Y 43T6V473Y PC BOARD RAS 13G2KVP E 402Y 43T50320Y TEMPERATURE SENSORY 406Y 43T6V474Y PC BOARD RAS 16G2KVP E 403 43T50355 TEMPERATURE SENSOR 407 43T60378 TERMINAL 404 43T62340 CORD CLAMP 408 43T60417 TERMINAL 405 43T6V469 PC BOARD ASSY WRS LED 409 43T60416 TERMINAL 406Y 43T6V472Y PC BOARD RAS 10G2KVP E Description Description ...

Page 125: ...350 HANDLE 22 43T47001 NUT FLANGE 8 43T41450 COMPRESSOR RAS 10G2AVP E 23 43T97001 NUT 8 43T41471 COMPRESSOR RAS 13 16G2AVP E 24 43T49335 RUBBER CUSHION 9 43T43458 CONDENSOR ASSEMBLY 25 43T46375 4 WAY VALVE 10 43T46358 VALVE PACKED 6 35 DIA 26 43T63352 COIL V 4WAY 11 43T46366 VALVE PACKED 9 52 DIA 27 43T63319 HOLDER SENSOR RAS 10 13G2AVP E 28 43T79305 DRAIN NIPPLE 11 43T46374 VALVE PACKED 12 7DIA H...

Page 126: ...n Part Location Part No No No No 701 43T62353 HEATSINK 704 43T60326 FUSE 702 43T6V466 PC BOARD RAS 10G2AVP E 705 43T50334 TEMPERATURE SENSOR 702 43T6V467 PC BOARD RAS 13G2AVP E 706 43T50304 SENSOR HEAT EXCHANGER 702 43T6V468 PC BOARD RAS 16G2AVP E 707 43T62313 BASE PLATE PC 703 43T60384 TERMINAL BLOCK 6P Description Description ...

Page 127: ... 56 FILE NO SVM 03005 TOSHIBA CARRIER THAILAND CO LTD ...