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7. REFRIGERANT CYCLE DIAGRAM

7-1. Refrigerant Cycle Diagram

FILE NO. SVM-11016

NOTE :

• The maximum pipe length of this air conditioner is 25 m. When the pipe length exceeds 15m, the additional

Max. : 2

Deoxidized copper pipe

Outer dia. : 9.52mm (

25,

35)

: 12.7mm (45)

NOTE :

Gas leak check position
Refrigerant flow (Cooling)
Refrigerant flow (Heating)

INDOOR UNIT

Temp. measurement

Indoor heat

exchanger

Cross flow fan

Deoxidized copper pipe
Outer dia. : 6.35mm
Thickness : 0.8mm

Sectional shape
of heat insulator

Allo

le height

diff

erence :

10m

Allo

le pipe length

Pressure measurement
Gauge attaching port
Vacuum pump connecting port

Muffler

Pulse Modulating
valve at liquid side

Ø1.2 x 80

4-way valve

Compressor
DA111A1F-20F1

Outdoor heat

exchanger

Split capillary

Temp. measurement

Propeller fan Refrigerant amount :

1.05

OUTDOOR UNIT

Muffler

Min. :

Chargeless : 15m
Charge : 20g/m
(16 to 2

Thickness : 0.8mm

charging of refrigerant, 20g per 1m for the part of pipe exceeded 15m is required. (Max. 200g)

Strainer

Tcj

Содержание RAS-25SAVP2-ND

Страница 1: ...ICE MANUAL SPLIT TYPE Indoor Unit Outdoor Unit High Wall Heat PumpType Heat PumpType RAS 35SKVP2 ND RAS 35SAVP2 ND Revised Jul 2011 FILE NO SVM 11016 2 RAS 25SKVP2 ND RAS 25SAVP2 ND RAS 45SKVP2 ND RAS 45SAVP2 ND ...

Страница 2: ...5 5 WIRING DIAGRAM 17 6 SPECIFICATIONS OF ELECTRICAL PARTS 18 7 REFRIGERANT CYCLE DIAGRAM 19 8 CONTROL BLOCK DIAGRAM 21 9 OPERATION DESCRIPTION 23 10 INSTALLATION PROCEDURE 49 11 HOW TO DIAGNOSE THE TROUBLE 63 12 HOW TO REPLACE THE MAIN PARTS 89 13 EXPLODED VIEWS AND PARTS LIST 107 FILE NO SVM 11016 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 6: ... supply connection 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 air purifier Installation manual Owner s manual Outdoor unit Drain nipple Water proof rubber cap 1 1...

Страница 7: ...5SKVP2 ND RAS 45SKVP2 ND 0 0 20 0 40 0 60 0 80 0 100 0 120 0 20 15 10 5 0 5 10 Heating Capacity ratio Outside Temperature ºC RAS 25SKVP2 ND RAS 35SKVP2 ND RAS 45SKVP2 ND RAS 25SKVP2 ND RAS 35SKVP2 ND RAS 45SKVP2 ND 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 o C Conditions Indoor DB 27o C WB 1...

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: ... 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...

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: ... Flared 12 7mm Drain hose 0 50m Connecting pipe 0 40m Flared 6 35mm 58 18 188 63 26 149 4 CONSTRUCTION VIEWS 4 1 Indoor Unit Knock out system Knock out system Wireless remote controller Remote controller holder 190 160 5 160 5 150 215 235 235 215 275 84 5 84 5 40 40 84 5 150 84 5 45 Installation plate outline Center line Hanger Hanger Hanger 621 170 or more 170 or more 65 or more Minimum distance ...

Страница 17: ...5 35 Flare 9 52 45 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 125 197 4 2 Outdoor Unit 2 R5 5 x 17L Ushape 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 600 320 For 8 10 anchor bol...

Страница 18: ... 17 5 WIRING DIAGRAM FILE NO SVM 11016 ...

Страница 19: ... DC12V 10 Coil for 4 way valve AC220 240V CAM MD12TCTH 5 STF H01AJ1872A1 Compressor 3 phases 4 poles 750W Inverter attached Inverter attached Inverter attached 8 Inverter attached DA111A1F 20F1 Parts name Model name Rating CH 57 FC 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 po...

Страница 20: ... 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 Muffler Pulse Modulating valve at liquid side Ø1 2 x 80 Ø1 2 x 80 TD 4 way valve Compressor DA111A1F 20F1 TS T2 Outdoor heat exchanger Split capillary Temp measurement Propeller fan Refrigerant ...

Страница 21: ...2 ND 0 7 to 0 9 7 to 9 42 to 44 High High 83 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 25SKVP2 ND 2 5 to 2 7 36 to 38 2 to 3 High High 49 35SKVP2 ND 2 7 to 2 9 40 to 42 2 to 3 High High 65 45SKVP2 ND 2 9 to 3 1 49 to 51 1 to 2 High High 83 NOTES 1 Measure ...

Страница 22: ...ial Signal Transmitter Receiver Micro Switch Converter D C circuit Noise Filter Indoor Air purifier unit Louver Motor Louver Motor Drive Control Indoor Fan Motor Control Initializing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Operation Heat Exchanger Sensor TC Room Temperature Sensor TA Infrared Rays Signal Receiver and Indication Functions Cold draft preventing Function 3 min...

Страница 23: ...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 24: ...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 ...

Страница 25: ...ir purifying control Detection of abnormality 35 12 Discharge temperature control 36 13 Pulse Modulating valve P M V control 37 14 Self Cleaning function 38 15 Remote A or B selection 39 9 3 Auto Restart Function 43 9 3 1 How to Set the Auto Restart Function 43 9 3 2 How to Cancel the Auto Restart Function 44 9 3 3 Power Failure During Timer Operation 44 21 FILTER Indicator 41 9 4 Remote Controlle...

Страница 26: ...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 27: ...d by the previous operation mode 4 DRY operation DRY operation is performed according to the difference between room temperature and the setup temperature as shown below In DRY operation fan speed is controlled in order to prevent lowering of the room temperature and to avoid air flow from blowing directly to persons 1 Detects the room temperature Ta when the DRY operation started 2 Starts operati...

Страница 28: ...1016 2 Table 1 Indoor fan air flow rate Fan speed Air flow rate Fan speed Air flow rate Fan speed Air flow rate rpm m3 h rpm m3 h rpm m3 h WF UH 1430 707 1470 731 1510 756 WE H 1430 707 1470 731 1510 756 WD UH M UH 1350 657 1400 688 1450 719 WC H H 1300 626 1350 657 1400 689 WB M M M 1150 534 1200 565 1250 595 WA M 1000 440 1050 471 1100 503 W9 M L 950 409 1000 440 1050 471 W8 L 800 316 850 347 90...

Страница 29: ...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 Li...

Страница 30: ... 13 8 31 7 32 3 MAX MIN MAX MIN MAX MIN MAX f 2 f 3 f A f C f D f F f 2 f 3 f 7 f A f 9 f C f 1 f 3 f 2 f 5 f 4 f 7 f 1 f 1 f 1 f 2 f 2 f 4 f 2 f 3 f B f C f C f D In cooling operation Compressor speed rps To 15 C To To 15 C To 5 5 C To 5 0 C To 15 C During To 15 C ECO mode To 5 5 C To 5 5 C When To is abnormal 16 8 47 9 48 5 MAX f 3 f 8 f 9 f 3 f 9 f A f 8 f A f D f B f C f D f 3 f 3 f 6 f 3 f 3 ...

Страница 31: ...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 11016 Capacity control continues 1 The input current of the outdoor unit is detected in the inverter section of the outdoor unit 2 According to the ...

Страница 32: ...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...

Страница 33: ...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 34: ...puter The angle of the louver is indicated as the louver closes fully is 0 1 Louver position in cooling operation mode COOL HEAT and the louver returns to the stored position when the next operation is performed Cooling Heating memory position The louver position can be arbitrarily set up by pressing FIX button 33 FILE NO SVM 11016 Swing operation is perfor in range 35 with the Fixed position as t...

Страница 35: ...in 11 11 11 DRY max 30 30 30 12 DRY max COOL min 6 x 5 COOL min 11 DRY max COOL min 6 x 4 COOL min 10 DRY max COOL min 6 x 3 COOL min 9 DRY max COOL min 6 x 2 COOL min 8 DRY max COOL min 6 x 1 COOL min C during the ECO operation 3 5 3 0 2 5 1 5 1 0 TSC 1 0 2 0 5 5 1H 2H 11 10 7 6 5 4 3 2 1 OFF Dry Max 12 11 9 8 10 6 0 6 5 3H 4H 5 0 4 5 4 0 2 0 0 5 0 5 12 9 8 Time Zone Frequency FAN Min Hz The indo...

Страница 36: ...ration of air conditioner air purifier an operation of air conditioner air purifier starts by pushing AC button on the remote controller Operation of air conditioner air purifier is stored in memory 1 Swing is available 2 Fan speed is Fan Auto mode varies in order M 1 L L SL Filter lamp ON Press RESET button Did you press RESET button for 3 seconds or more Did you press RESET button for 10 seconds...

Страница 37: ... an error is judged again 12 Discharge temperature control Reset by RESET button Reset by RESET button or by the stop direction from the remote controller When the breaker is turned ON In restart time after power failure or RESET button is pressed while the FILTER indicator is turned on the air purifier is not turned on until the integrated operation time of the indoor fan exceeds 1 hour after ope...

Страница 38: ... Discharge temp control SH Super Heat amount Ts Temperature of suction pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pulse Modulating Valve Starting up Initialize Move to initial position PMV open degree control SH control Td release control Turn OFF by remote controller Move to Stop Compressor Stop by Room Temperature Compressor ON Defrosting operation Control...

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

Страница 42: ...ame as AUTO mode 3 Target temperature is 24ºC 4 Louver position is set as stored position of the operating mode 5 Fan is controlled as followings Mode POWER mark is indicated on the display of the remote controller and the unit operates as follows 1 Automatic operation The indoor unit operates in according to the current operation 2 Cooling operation remote controller does not change The indoor un...

Страница 43: ...100 75 or 50 The lower the percentage the higher the saving and also the longer the compressor lifetime When the level is selected Power SEL level flashes on LCD display for 3 seconds In case of 75 and 50 level number 75 or 50 also flashes for 2 seconds Note Due to the reason that POWER SELECT FUNCTION limits the maximum current inadequate capacity may occur Power Selection 50 is 50 of rate maximu...

Страница 44: ...s 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 When the uni...

Страница 45: ...tand by not operating When the system is operating RESET Hi POWER FILTER PAP TIMER OPERATION RESET button RESET Hi POWER FILTER PAP TIMER OPERATION RESET button 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 t...

Страница 46: ...temperature Cooling Min 17 C Heating Max 30 C Fan Only No temperature indication 3 Press Select AUTO LOW LOW MED MED or HIGH or Quiet FILE NO SVM 11016 Infrared signal emitter Memory and preset button PRESET Start Stop button Temperature up down and Timer or clock up down button TEMP Mode select button MODE Swing louver button SWING Fan speed button FAN One Touch button ONE TOUCH Set louver button...

Страница 47: ...l Operation mode is set on AUTOMATIC operation preset temperature is 24 C and fan operation is automatic speed 9 TIMER OPERATION FILE NO SVM 11016 1 7 ECO OPERATION To automatically control room to save energy except in DRY and FAN ONLY mode Press Start and stop the operation Note Cooling operation the set temperature will increase automatically 1 degree hour for 2 hours maximum 2 degrees increase...

Страница 48: ... cooling operation the set temperature will increase automatically 1 degree hour for 2 hours maximum 2 degrees increase For heating operation the set temperature will decrease 15 8 C OPERATION 1 Press button to change to 8 C set temperature heating operation 2 Press to adjust setting temperature from 5 C to 13 C FILE NO SVM 11016 13 POWER SELECTION OPERATION This function is used when its circuit ...

Страница 49: ...ess 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 remote controller When the remote controller switching fun...

Страница 50: ...t or bottom left Right Rear right Bottom right Rear left Bottom left Left 6 mm thick heat resisting polyethylene foam 1 Batteries Pan 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 Plasma air purifier Attach to the front panel Air filter Hook Installation p...

Страница 51: ...he outdoor unit before installing it 50 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 25 35SKVP2 Series 45SKVP2 Series FILE NO SVM 11016 10 2 Installation 10 2 1 Optional installation parts Fixing bolt arrangement of outdoor unit Drain outlet Air inlet Air ou...

Страница 52: ...x 1 TOSHIBA New IAQ filter x 1 Plasma air purifier x 1 Part No 4 5 6 Part No 7 8 9 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 10 Cap water proof x 3 ...

Страница 53: ... 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 54: ...t or close to a heating source such as a stove Keep the remote controller at least 1 m away from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference The location of the remote controller should be determined as shown below Fig 10 3 1 10 3 2 Cutting a Hole and Mounting Installation Plate Cutting a hole When installing the refrigerant pipes fr...

Страница 55: ...conditioner NOTE Wire type More than H07RN F or 245 IEC66 1 5 mm2 or more CAUTION This appliance can be connected to a main circuit breaker in either of the following two ways 1 Connection to fixed wiring A switch or circuit breaker which discon nects all poles and has a contact separa tion of at least 3 mm must be incorporated in the fixed wiring An approved circuit breaker or switch must be used...

Страница 56: ...screw securing the drain hose then pull out the drain hose Fig 10 3 8 NOTE Use stranded wire only Wire type More than H07RN F or 245 IEC66 How to install the air inlet grille on the indoor unit 10 mm 10 mm 50 mm 110 mm Earth line Connecting cable Stripping length of the connecting cable about 15 cm Terminal cover Screw Screw Cord clamp Terminal block Earth line Connecting cable Screw 10 3 5 Piping...

Страница 57: ... less Ø6 35 R40 or less Ø9 52 R50 or less Ø12 7 Use polishing polyethylene core or the like for bending pipe Liquid side No gap Insert a hexagon wrench Ø4mm Do not apply lubricating oil refrigerant machine oil when inserting the drain cap If applied deterioration and drain leakage of the drain plug may occur 2 Firmly insert drain cap Fig 10 3 10 How to attach the drain hose Always use the original...

Страница 58: ...hooked on the installation plate Installation plate Indoor unit Connecting cable Auxiliary pipes 10 3 7 Drainage 1 Run the drain hose at a downward sloped angle NOTE Hole should be made at a slight downward slant on the outdoor side Fig 10 3 16 2 Put water in the drain pan and make sure that the water is being drained outside 3 When connecting extension drain hose insulate the connection part of e...

Страница 59: ...ain water does not cause any problems Precautions for adding refrigerant Use a scale having a precision with at least 10 g per index line when adding the refrigerant Do not use a bathroom scale or similar instrument Use liquid refrigerant when refilling the refrigerant Since the refrigerant is in liquid form it can fill quickly Therefore perform the filling operation carefully and insert the refri...

Страница 60: ...d 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 3 Commercially available drai...

Страница 61: ... 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 may develop 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressu...

Страница 62: ...st be connected firmly This installation fuse 15A must be used for the power supply line of this air conditioner If incorrect or incomplete wiring is carried out it will cause an ignition or smoke Prepare the power supply for exclusive use with the air conditioner This product can be connected to the mains Connection to fixed wiring A switch which disconnects all poles and has a contact separation...

Страница 63: ...connecting the piping and cables Remote Control A B Selection To separate using of remote control for each indoor unit in case of 2 air conditioner are installed nearly the remote control signal simultaneously and operate In this 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 CHK button on ...

Страница 64: ...ase of touching 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 The control circuitry has an uninsulated construction Fig 11 1 IGBT 6 FET 6 MCU Compressor Fan motor Shared potential Driver Driver Amplifier Amplifier No 1 2 3 4 5 6 7 8 9 10 Troubleshooting Procedure First Confirmation Primary Judgment Judg...

Страница 65: ...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 66: ... 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 67: ... 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 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 display 5 Hz OPERATION Green Flashing display 5 Hz Protective c...

Страница 68: ...racters are used for the check codes is 5 is 6 is A is B is C is D Fig 11 4 1 67 11 4 Self Dia gnosis by Remote Controller Check Code 1 If the lamps are indicated as shown B to E in Table 11 4 1 execute the self diagnosis by the remote controller 2 When the remote controller is set to the service mode the indoor controller diagnoses the operation condition and indicates the information of the self...

Страница 69: ...oom 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 the i...

Страница 70: ...r 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 Chec...

Страница 71: ...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 ...

Страница 72: ...rror count comes 4 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 operation ...

Страница 73: ...sound of initial operation etc 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 4 times amount and power supply rate 10 Installation problem both of operation and non operation In...

Страница 74: ...connector between CN10 1 3 short 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 ...

Страница 75: ... 5 and 3 of motor connector CN31 Check this condition within 15 seconds after starting unit Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 5 and 3 of motor connector CN31 Is it possible to detect DC 310 340V between 1 and 3 of motor connector CN31 Motor connection condition Is it possible to detect DC 15V between 4 and 3 of ...

Страница 76: ...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 75 FILE NO SV...

Страница 77: ...r fan motor Therefore the P C board is also mounted to inside of the motor If the P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply Inspection procedure 3 2 1 Remove the grille 3 2 2 Remove the cover terminal by release one screw 3 2 3 Check DC voltage with CN31 connector while the fan motor is rotating 1 Turn on breaker 2 Af...

Страница 78: ...nitor when push button Is transmission mark indicated Reciver P C board is defective Replace reciver P C board Replace batteries Replace remote controller Normal operation Remote controller is defective NO YES NO YES NO YES NO YES NO YES NO YES NO YES Push the button Does indoor unit beep and operate Reset by take off battery the push button till LCD 5 Troubleshooting for remote controller Primary...

Страница 79: ...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...

Страница 80: ... 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 ...

Страница 81: ... 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 electro lytic capacitor 500µF of C14 with printed CAUTION HIGH VOLTAGE on P C board Discharging positio...

Страница 82: ... 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 FILE NO SVM 11016 NO NO YES NO ...

Страница 83: ... C board Micro switch is stuck Micro switch malfunction To item Power supply is not turned on Replace the main P C board Replace micro switch Does the PURE indicator go off within 2 seconds after it was ON and does the FILTER indicator Orange go on Are the electric dust collector and ionizer dried Electrode check Dry the electric dust collector and ionizer Is DC 5V to DC 10V applied between Brown ...

Страница 84: ...duction of micro switch connector under OFF status of the micro switch Front panel opened Is there conduction of micro switch connector under ON status of the micro switch Front panel closed Does the indoor fan rotate Does the PURE indicator Blue or the FILTER indicator Orange go on Is DC12V applied between Red DC12V and Brown GND of CN1 of the high voltage generator in the air purifier Micro swit...

Страница 85: ...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 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 rem...

Страница 86: ...0 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 12V GND 5V ...

Страница 87: ... 2 1 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 250 20Ω Refer to 11 5 1 3 and 4 Under 20 C Disconnect the connector and measure resistance value with the tester Normal temperature Outdoor temperature sensor TO discharge temperature sensor TD suction temperature sensor TS outdoo...

Страница 88: ...ered surface Heat sink IGBT side C12 C13 C14 Case that product is good Pointer swings once and returns slowly When performing test once again under another polarity the pointer should return C12 C13 C14 500µF or 760µF 400V Resistance value in good product Tester rod 2 3 2 3 4 1 1 2 3 DBO1 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...

Страница 89: ...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 90: ...gnite any oil mixed with the refrigerant gas 2 Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated 3 Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir cuitr...

Страница 91: ... positions of the air outlet and then hang the hanging hooks 3 pcs at the top side of the front panel to the rear plate 2 Insert the plasma air purifier Press in the plasma air parifier until the protrusions on both sides are completely inserted into the holders If installation is incomplete the FILTER indicator orange may light 3 Tighten two screws Incomplete hanging or incomplete pressing may ca...

Страница 92: ...he high voltage generat 4 Attach the air ionizer to the back body How to assemble the high voltage generator 1 Insert the high voltage generator straight into the evaporator voltage generator from the evaporator Check whether it is completed inserted 3 Disconnect the connectors of the high voltage generator 4 Remove the fixing screws 2 pcs and remove the high voltage generator from the evaporator ...

Страница 93: ...k body and secure it using the fixing screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom Electric part box cover FILE NO SVM 11016 6 Disengage the display unit by simply pushing a...

Страница 94: ...m 2 Remove the pipe holder from the rear side of the main unit 3 Remove two fixing screws at the left side of the end plate of the heat exchanger Remarks 4 Remove one fixing screw on the heat exchage fixing holder to separate the heat exchage from the back body 5 Remove right side of the end plate from two fixing rib while sliding slightly the heat exchanger rightward 2 screws Heat exchanger fixin...

Страница 95: ... 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 11016 ...

Страница 96: ...crew of the cross flow fan 3 Remove two fixing screws of the motor cover and them remove the motor cover 4 Remove two more fixing screws of the motor band and remove the motor band Remarks 5 Pull the fan motor outward Set screw Two screws on motor band Motor cover Two Screws FILE NO SVM 11016 ...

Страница 97: ...0 5 mm from wall of rear plate of the main unit Holding the set screw install the cross flow fan so that U groove of the fan motor comes to the mounting hole of the set screw 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...

Страница 98: ... 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 11016 ...

Страница 99: ...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 100: ...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 101: ...E This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between Requirement As each connector has a lock mecha nism avoid to remove the connector by holding the lead wire but by holding the connector Discharging position Discharging period 10 seconds or more Plug of soldering iron The connector is one with lock so remove it while pushin...

Страница 102: ...nnect them they must be pressed in the direction of the arrow while pulling them out P C board base P C board CN700 CN602 CN300 CN701 CN603 CN601 CN600 FILE NO SVM 11016 CN703 CN703 Heater 2P White NOTE These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the P C board base R...

Страница 103: ...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...

Страница 104: ... 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...

Страница 105: ...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 11016 1 Detachment 1 Perform step 1 in all the steps in and 1 in 2 Remove the coil by pull it upward 2 Attachment 1 Insert a valve coil to value body by push it do...

Страница 106: ...product will not be controlled properly and trouble will result if the sensors have not been installed in their proper positions Detail C 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 t...

Страница 107: ... 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 108: ...ASSEMBLY 206 43T11301 PIPE SHIELD FOR RAS 45SKVP2 ND 207 43T83003 HOLDER REMOTE CONTROL 221 43T00489 PANEL SERVICE ASSEMBLY 208 43T60382 MOTOR CORD 222 43T80327 FILTER AIR R 209 43T82310 INSTALLATION PLATE 223 43T80328 FILTER AIR L 210 43T69499 UNIT ELECTRIC PURIFIER 224 43T09468 GRILLE OF AIR INLET 212 43T09408 PIPE HOLDER 225 43T80320 HIGH VOLTAGE POWER 213 43T03361 BACK BODY ASSEMBLY SUPPLY UNI...

Страница 109: ...401 43T69319 TEMPERATURE SENSOR 406 43T69923 PC BOARD RAS 25SKVP2 ND 402 43T60365 TERMINAL BLOCK 3P 406 43T69924 PC BOARD RAS 35SKVP2 ND 403 43T69320 TEMPERATURE SENSOR 406 43T69925 PC BOARD RAS 45SKVP2 ND 404 43T62003 CORD CLAMP 407 43T50320 SENSOR HEAT EXCHANGER 405 43T69642 PC BOARD ASSY WRS LED Description Description ...

Страница 110: ...8 CONDENSOR ASSEMBLY 23 43T97001 NUT FOR RAS 45SAVP2 ND 24 43T49335 RUBBER CUSHION 9 43T43459 CONDENSOR ASSEMBLY 25 43T46375 4 WAY VALVE RAS 25 35SAVP2 ND 26 43T63337 4 WAY VALVE COIL ASSEMBLY 10 43T46358 VALVE PACKED 6 35 DIA 27 43T63319 HOLDER SENSOR 11 43T46366 VALVE PACKED 9 52 DIA 28 43T79305 DRAIN NIPPLE RAS 25 35SAVP2 ND 29 43T39341 MOTOR BASE CONNECTION PLATE 11 43T46374 VALVE PACKED 9 52 ...

Страница 111: ...No No No 701 43T62320 HEATSINK 705 43T60377 TEMPERATURE SENSOR 702 43T69920 PC BOARD 706 43T50304 SENSOR HEAT EXCHANGER 703 43T60392 TERMINAL 5P 707 43T62313 BASE PLATE PC 704 43T60326 FUSE Description Description 707 704 705 703 706 702 701 TE Sensor Ø6 TS Sensor Ø6 TO Sensor Ø6 TD Sensor Ø4 ...

Страница 112: ...EATSINK 704 43T60326 FUSE 702 43T69921 PC BOARD FOR RAS 35SAVP2 ND 705 43T60377 TEMPERATURE SENSOR 702 43T69922 PC BOARD FOR RAS 45SAVP2 ND 706 43T50304 SENSOR HEAT EXCHANGER 703 43T60392 TERMINAL 5P 707 43T62313 BASE PLATE PC Description Description 707 704 705 703 706 702 701 TE Sensor Ø6 TS Sensor Ø6 TO Sensor Ø6 TD Sensor Ø4 ...

Страница 113: ... 56 FILE NO SVM 03005 TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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