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7. REFRIGERANT CYCLE DIAGRAM

7-1. Refrigerant Cycle Diagram

RAS-09

V-UL / RAS-09

V-UL

NOTE :

• The maximum pipe length of this air conditioner is 66ft (20 m). When the pipe length exceeds 50ft (15m), the additional

Deoxidized copper pipe

Outer dia. : 3/8 in (9.52mm)

Thickness : 1/32 in (0.8mm)

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. : 1/4 in (6.35mm)

Thickness : 1/32 (0.8mm)

Sectional shape

of heat insulator

Allo

le height

dif

ference :

33ft (10mm)

Allo

le pipe length

Pressure measurement
Gauge attaching port

Vacuum pump connecting port

Strainer

Pulse Modulating

valve at liquid side

4-way valve

Compressor

DA89X1C-23FZ2

Outdoor heat

exchanger

Temp. measurement

Propeller fan Refrigerant amount : 1.77lbs (0.80kg)

OUTDOOR UNIT

Muffler

Min. : 6.6ft (2m)

Chargeless : 50ft (15m)

Strainer

Max. : 66ft (20m)

Charge : 0.22oz/ft

(51 to 66ft)

charging of refrigerant, 0.22 oz/ft (20g/m) for the part of pipe exceeded 50ft (15m) is required. [(Max. 0.22 lbs (100g)]

[20g/m (16 to 20m)]

FILE NO. SVM-13071

High Pressure switch

Fusible plug

Содержание Carrier RAS-09EACV-UL

Страница 1: ...R410A FILE NO SVM 13071 SERVICE MANUAL SPLIT TYPE Indoor Unit Outdoor Unit High Wall CoolingType CoolingType November 2013 RAS 09EKCV UL RAS 09EACV UL RAS 12EKCV UL RAS 12EACV UL ...

Страница 2: ...6 5 WIRING DIAGRAM 18 6 SPECIFICATIONS OF ELECTRICAL PARTS 20 7 REFRIGERANT CYCLE DIAGRAM 21 8 CONTROL BLOCK DIAGRAM 24 9 OPERATION DESCRIPTION 26 10 INSTALLATION PROCEDURE 48 11 HOW TO DIAGNOSE THE TROUBLE 65 12 HOW TO REPLACE THE MAIN PARTS 92 13 EXPLODED VIEWS AND PARTS LIST 108 FILE NO SVM 13071 ...

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: ... unit Unit model RAS 09EACV UL RAS 12EACV UL Dimension Height in mm 21 11 16 550 21 11 16 550 Width in mm 30 11 16 780 30 11 16 780 Depth in mm 11 7 16 290 11 7 16 290 Net weight lbs kg 82 37 88 40 Compressor Motor output W 750 750 Type Single rotary type with DC inverter variable speed conrol Single rotary type with DC inverter variable speed conrol Model DA89X1C 23FZ2 DA111A1F 20F1 Fan motor out...

Страница 7: ...71 0 1 2 3 4 5 6 7 8 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor Speed rps Current A Conditions Indoor DB 80 o F WB 67 o F DB 26 7 o C WB 19 4 o C Outdoor DB 98o F WB 75 o F DB 35 o C WB 23 9 o C Indoor Air Flow High Pip Length 5m Voltage 230V RAS 09EKCV UL RAS 12EKCV UL Condition Indoor DB80 F WB67 F Indoor Air Flow Volume High Pipe Length 16 ft 5m DB26 7 C WB19 4 C Voltage 230V Outdoor T...

Страница 8: ...he 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 large ...

Страница 9: ...ter in 1 4 3 8 1 2 Reference outer diameter of copper pipe jointed mm 6 35 9 52 12 70 Minimum joint thickness in mm 0 0197 0 50 0 0236 0 60 0 0276 0 70 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 water heat...

Страница 10: ...91 1 0 to 1 5 0 0394 to 0 0591 1 0 to 1 5 0 0591 to 0 0787 1 5 to 2 0 0 0591 to 0 0787 1 5 to 2 0 0 07874 to 0 0984 2 0 to 2 5 Nominal diameter 1 4 3 8 1 2 Outer diameter mm 6 35 9 52 12 70 Thickness in mm 0 0315 0 8 0 0315 0 8 0 0315 0 8 A in mm Flare tool for R22 clutch type 0 to 0 0197 0 to 0 5 0 to 0 0197 0 to 0 5 0 to 0 0197 0 to 0 5 Conventional flare tool Clutch type Wing nut type 0 0197 to...

Страница 11: ...y manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 3 2 7 Tightening torque of flare for R410A Reference values Nominal diameter 1 4 3 8 1 2 Outer diameter mm 6 35 9 52 12 70 Tightening torque lbf ft N ...

Страница 12: ...ing 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 Whether co...

Страница 13: ...ylinder and 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 accor...

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: ... 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 pipe int...

Страница 16: ... for bottom leftward piping Knockout for bottom rightward piping Installation plate hanger Conduit hole Ø7 8 22 hole Connecting pipe 18 5 8 0 40m Flare Ø1 4 6 35 Installation plate hanger Connecting pipe 13 25 32 0 35m Flare Ø3 8 9 52 Wireless remote controller Drain hose 19 11 16 0 50m Remote controller holder 3 5 16 84 5 3 5 16 84 5 3 5 16 84 5 3 5 16 84 5 Hanger Hanger Hanger Center line Instal...

Страница 17: ...0 2 3 2 3 9 1 2 1 3 15 16 or more 100 mm or more Ø1 Ø25 Water Drain Outlet Detail A Rear Leg R7 32 R5 5 Ø1 4 Hole Ø6 Hole Ø1 4 Hole Ø6 Hole Ø7 16x9 16 Oval Hole Ø11x14 Oval Hole Detail B Front Leg COVER PACKED VALVE View Z WIRE GUARD View Z Liquid side Flare Nut Ø1 4 Ø6 35 Gas side Flare Nut Ø3 8 Ø9 52 Service Port Air Inlet Air Oulet 23 5 8 or more 600 mm or more 2 R7 32x43 64L R5 5x17L U Shape F...

Страница 18: ...5 WIRING DIAGRAM 5 1 RAS 09EKCV UL RAS 09EACV UL FILE NO SVM 13071 18 ...

Страница 19: ...5 2 RAS 12EKCV UL RAS 12EACV UL FILE NO SVM 13071 19 ...

Страница 20: ...1AQ503UC1 Compressor Inverter attached Inverter attached Inverter attached 8 Inverter attached DA89X1C 23FZ2 DA111A1F 20F2 CH 57 Z T ICF 340UA40 2 DC340V 40W 11 Pressure SW ACB 4UB82W 4 7 MPa RAS 09EKCV UL for indoor RAS 12EKCV UL 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 HTP AFN 220 20 4D AC2...

Страница 21: ... 4 in 6 35mm Thickness 1 32 0 8mm Sectional shape of heat insulator Allowable height difference 33ft 10mm Allowable pipe length P Pressure measurement Gauge attaching port Vacuum pump connecting port Strainer Pulse Modulating valve at liquid side TD 4 way valve Compressor DA89X1C 23FZ2 TS T2 Outdoor heat exchanger Temp measurement Propeller fan Refrigerant amount 1 77lbs 0 80kg OUTDOOR UNIT Muffle...

Страница 22: ... Sectional shape of heat insulator Allowable height difference 33ft 10m Allowable pipe length P Pressure measurement Gauge attaching port Vacuum pump connecting port Strainer Pulse Modulating valve at liquid side Ø1 2 x 80 Ø1 2 x 80 TD 4 way valve Compressor DA111A1F 20F1 TS T2 Outdoor heat exchanger Split capillary Temp measurement Propeller fan Refrigerant amount 2 43 lbs 1 10kg OUTDOOR UNIT Muf...

Страница 23: ...F C T2 F C rps 80 67 98 75 137 to 160 54 to 57 99 to 102 26 7 19 4 35 23 9 0 9 to 1 1 12 to 14 37 to 39 116 to 145 52 to 55 104 to 107 0 8 to 1 0 11 to 13 42 to 44 12EKCV UL High High 77 High High 60 09EKCV UL FILE NO SVM 13071 23 NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchaner path U bent Thermistor themometer 2 Connecting piping condition 16 ft 5m ...

Страница 24: ...rcuit Infrared Rays 36 7kHz Remote Controller Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver AUTO Swing Louver Direction Setting Operation Mode Selection AUTO COOL DRY FAN REMOTE CONTROLLER ECO Hi POWER Heat Exchanger Sensor Tc Room Temperature Sensor Ta Infrared Rays Signal Receiver and Indication Functions Cold draft preventing Function 3 minute Delay at Restart for...

Страница 25: ... PWM synthesis function Input current release control IGBT over current detect control Outdoor fan control High power factor correction control Inverter output frequency control A D converter function P M V control Discharge temp control 4 way valve control Signal communication to indoor unit P M V Pulse Motor Valve M C U Micro Control Unit M C U For INDOOR UNIT 4 way valve P M V Inverter DC AC Ga...

Страница 26: ... of error 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 Operations followed to judgment of serial signal from indoor side Detection of inverter input current and current release operation Over current detection...

Страница 27: ...tion 35 10 Discharge temperature control 36 11 Pulse Modulating valve P M V control 36 12 Self Cleaning function 37 13 Selt Cleaning function release 38 14 Remote A or B selection 39 9 3 Auto Restart Function 9 3 1 How to Set the Auto Restart Function 42 9 3 2 How to Cancel the Auto Restart Function 43 9 3 3 Power Failure During Timer Operation 43 9 4 Remote Control 9 4 1 Remote Controller and its...

Страница 28: ...t Control contents of remote controller ON OFF Air conditioner Air purifier Operation select COOL 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...

Страница 29: ...utomatic operation has started as shown in follow figure The Fan only operation continues unit the room temperature reaches a level at which another mode is selected 1 When reselecting the operation mode the fan speed is controlled by the previous operation mode 4 DRY operation DRY operation is performed according to the difference between room temperature and the setup temperature as shown below ...

Страница 30: ...g to the setup tempera ture room temperature and heat exchanger temperature Fig 1 Fig 2 L L M M H W6 L M 2 W9 M H 2 WC Indication Fan speed Fan speed setup COOL ON AUTO MANUAL FILE NO SVM 13071 4 5 2 5 Ta F C 3 5 2 0 2 7 1 5 2 0 1 0 1 0 0 5 Tsc a b c d e M WB 3 4 5 L W6 Air volume AUTO 3 Fan speed M L x 3 4 L 4 Fan speed M L x 2 4 L 5 Fan speed M L x 1 4 L Linear approximation from M and L Fan spe...

Страница 31: ...topped Air conditioner ON Remote controller YES YES NO NO Indoor unit controller Fan motor ON 3 Fan lock OFF status of fan motor continues 4 Motor operates as shown in the table below 1 Outdoor unit operation command Outdoor fan control Air conditioner OFF Alarm display Outdoor fan speed rpm FILE NO SVM 13071 Compressor speed rps To During ECO mode When To is abnormal 13 8 31 7 32 3 MAX MIN MAX MI...

Страница 32: ...it does not exceed the specified value 5 Current release control Set temp Ts Room temp Ta Correction of Hz signal Outdoor temp To Setup of current release point Capacity control continues Detection of electromotive force of compressor motor winding Detection of motor speed and rotor position Inverter output change Commutation timing change Change of compressor speed Remote controller Indoor unit T...

Страница 33: ...n FILE NO SVM 13071 7 C 6 C 5 C R Q P Usual cooling capacity control Reduction of compressor speed Indoor heat exchanger temperature When the value is in Q zone the compressor speed is kept 45 F 43 F 41 F 1 When temperature of the indoor heat exchanger drops below 41 F 5 C the compressor speed is reduced P zone 2 When temperature of the indoor heat exchanger rises in the range from 43 F 6 C to und...

Страница 34: ...on adjustment The position is automatically controlled initial setting of Cooling The set louver position is stored in memory by the microcomputer The angle of the louver is indicated as the louver closes fully is 0 1 Louver position in cooling operation storage position Louver Directs downward and the louver returns to the stored position when the next operation is performed Cooling memory positi...

Страница 35: ...sed for 10 seconds or more Pi sound is heard and the temporary COOL operation starts 4 If the filter lamp goes on press RESET button to go off the filter lamp and then press RESET button again 5 To stop the temporary operation press the button again FILE NO SVM 13071 1 The control target temperature increase 1 0 F 0 5ºC per hour up to 3 5 F 2 C starting from the set temperature when ECONO 2 The in...

Страница 36: ...ively up adjust the open degree of valve so that it is in the range of set tempera ture Discharge temp control 4 To turn off the compressor while the air conditioner stops by control of the thermostat or by remote controller adjust the open degree of valve to the setup value before stop of the compressor SH Super Heat amount Ts Temperature of suction pipe of the compressor Tc Heat exchanger temper...

Страница 37: ...r 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 indoor fan operates conti...

Страница 38: ... is pressed but keep holding it continue The will beep 3 times in the first 3 seconds but it is not related to Self Cleaning function After holding about 20 seconds the air conditioner will beep 5 times without any blinking of display The Self Cleaning Operation had been cancelled Remark Presetting of Self Cleaning function above AUTO How to set Self Cleaning function To set the Self Cleaning func...

Страница 39: ...ry the remote controller selection is set to A on all the indoor units There is no A setting display Setting the remote controller To separate using of remote control for each indoor unit in case of 2 air conditioner are installed nearly Remote Control B Setup 1 Press RESET button on the indoor unit to turn 2 Point the remote control at the indoor unit 3 Push and hold CHK button on the Remote Cont...

Страница 40: ...e When Save energy by changing room temperature The air condition can shut down by itself Remarks 1 Comfort sleep mode will not operate in dry automatically mode and fan only mode automatically room temperature reach setting temperature Cooling mode The preset temperature will increase as show on ECO operation Item No 9 Press the COMFORT SLEEP button to choose the operating hours Repeat pressing t...

Страница 41: ...mode and operates according to the signal received When an indoor unit receives One Touch Comfort Signal from the remote controller the indoor unit operates as following 1 Air conditioner starts to operation when the signal is received even if the air conditioner was OFF 2 Target temperature is 22ºC 72 F 3 Louver position is set as swing position 4 Fan is controlled as followings Mode is indicated...

Страница 42: ...This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 9 3 1 How...

Страница 43: ...erate at this time press RESET button once more or use the remote controller to turn it on 9 3 2 How to Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote controller after the main power supply is turned off When the system is on...

Страница 44: ...tomised to the typical consumer preferences in your region of the world The coutomised settings control temperature air flow strength air flow direction and other settings to provide you alternate contact with ONE TOUCH OF THE BUTTON If you prefer other settings you can select from the many other operation functions of your Toshiba unit Press ONE TOUCH Start the operaton 2 AUTOMATIC OPERATION To a...

Страница 45: ... the unit can start or stop without using the remote control Operation mode is set on AUTOMATIC operation preset temperature is 75 F 24 C and fan operation is automatic speed 8 TIMER OPERATION Setting the ON Timer Setting the OFF Timer Press ON Set the desired ON timer Press OFF Set the desired OFF timer Press SET Set the timer Press SET Set the timer Press CLR Cancel the timer Press CLR Press ON ...

Страница 46: ...s and hold the RESET button on the indoor unit for 3 seconds to cancel the Setting operation 3 beep sound but OPERATION lamp does not blink 11 QUIET OPERATION To operate at super low fan speed for quiet operation except in DRY mode Press QUIET Start and stop the operation Note Under certain conditions QUIET operation may not provide adequate cooling due to low sound features 12 COMFORT SLEEP OPERA...

Страница 47: ...tton for more than 3 seconds while the mark is flashing Press another button to turn off the mark 8 ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press it again to stop operation 9 A B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller setting is A the...

Страница 48: ...e Apply after carrying out a drainage test Saddle Extension drain hose Not available provided by installer Shield pipe Attach to the front panel Air filter Installation plate 2 9 16 in 65 mm or more 7 in 170 mm or more 3 15 16 in 100 mm or more 3 15 16 in 100 mm or more 23 5 8 in 600 mm or more 23 5 8 in 600 mm or more 6 5 Filter Filter Hook Hook 24 in 600 mm or more only when unobstructed to the ...

Страница 49: ...h 10 2 1 Field supplied installation part 10 2 Installation Fixing bolt arrangement of outdoor unit B C 4 1 4 in 108 mm 1 1 8 in 28 mm 4 15 16 in 125 mm Ø 1 i n 2 5 m m Air inlet Air outlet 3 3 8 in 86 mm 4 in 102 mm 12 19 32 in 320 mm 23 5 8 in 600 mm 3 17 32 in 90 mm Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong winds Use 5 16 in 8 mm or 3 8 i...

Страница 50: ...on plate x 1 Wireless remote control x 1 Battery x 2 Part name Q ty Part No Part No Part name Q ty Toshiba New IAQ filter L x 1 5 Flat head wood screw 3 1 x 16 s x 2 Mounting screw 4 x 25 s x 6 Toshiba New IAQ filter L x 1 7 8 Remote control holder x 1 4 6 Others Name Owner s manual Installation manual ...

Страница 51: ... 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 52: ...rong wind FILE NO SVM 13071 Do not use the supplied drain nipple for draining water Drain the water from all drain holes directly To protect the outdoor unit from snow accumulation install a holding frame and attach a snow protection hood and plate Do not use a double stacked design Snow protection plate Snow protection hood Snow accumulation line Holding frame At least 19 11 16 in 500 mm Install ...

Страница 53: ...e terminal block as shown in the figure below and secure it tightly with screws 5 You should not have extra cables 6 Secure the power cord and the connceting cable with the cord clamp 7 Attach the electric parts cover and the valve cover on the outdoor unit 8 RUN PIPING AND INTERCONNECTING CABLE TO THE INDOOR UNIT 10 3 4 Electrical Work ELECTRICAL SHOCK HAZARD Failure to follow this warning could ...

Страница 54: ...1 3 16 30 2 12 16 70 3 8 10 3 8 10 1 3 16 30 1 9 16 40 Conduit plate Connector Lock nut Valve cover Wrong wiring connection may cause some electrical parts burn out Be sure to comply with LOCAL CODES Every wire must be connected firmly If incorrect or incomplete wiring is carried out it will cause an ignition or smoke CAUTION Fig 10 3 6 Fig 10 3 7 Fig 10 3 8 NOTE Interconnecting cable Wire type mi...

Страница 55: ...ipe hole 2 9 16 in 65 mm at a slight downward slant to the outdoor side NOTE When drilling a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately Mounting the mounting plate Fig 10 4 2 When the installating plate is directly mounted to the wall 1 To hook up the indoor unit securely fit the mounting plate onto the wall by screwing it in the u...

Страница 56: ...nal cover and air inlet grille to the indoor unit 10 4 2 Wiring Connection FILE NO SVM 13071 Fig 10 4 4 CAUTION Failure to firmly install the unit may result in personal injury and property damage if the unit falls In case the unit is to be installed in a block brick concrete or similar type walls make 3 16 in 5 mm dia holes in the wall Insert clip anchors for appropriate mounting screws p NOTE Se...

Страница 57: ...es are installed please take them out Do not install batteries for hard wire installation 3 With the help of a screwdriver hreak the polyester sheet as shown on figure 7 4 Insert control wire from rear side of the remote controller as shown in figure 8 5 With the provided screws tighten the control wire to the aremote control terminal as shown in figure 10 tightening btorque not to exceed 0 25 N m...

Страница 58: ... Rear right Rear left Bottom left Left Bottom right Right Right Rear right Bottom right Rear left Bottom left Left 2 Changing drain hose For leftward connection bottom leftward connection and rearleftward connection s piping it is necessary to change the drain hose and drain cap How to remove the drain cap Clip the drain cap with needle nose pliers and pull out 1 Die cutting front panel slit Heat ...

Страница 59: ...ng pipe make sure to use a spring bender to avoid crushing the pipe Fig 10 4 21 NOTE If the pipe is bent incorrectly the indoor unit may set on the wall unstably After passing the connecting pipe through the pipe hole connect the connecting pipes to the refrigerant line and wrap facing tape around them CAUTION Bind the refrigerant lines two and connecting cable with facing tape tightly In case of ...

Страница 60: ...E The hole should be made at a slight downward slant on the outdoor side Fig 10 4 24 50 mm or more Do not rise the drain hose Do not form the drain hose into the waved shape Do not put the drain hose end into water Do not put the drain hose end in the drainage ditch 2 in 2 Put water in the drain pan and make sure that the water is drained out 3 When connecting an extension drain hose insulate it w...

Страница 61: ...ence The location of the remote control should be determined as shown below Indoor unit Top view Side view Remote control Remote control Indoor unit Reception range Reception range Fig 10 4 27 with one indoor unit at a time 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 the Re...

Страница 62: ...ice port 8 Securely tighten the caps of packed valves FILE NO SVM 13071 62 Packed valve at liquid side Service port Valve core Setting pin Packed valve at gas side Vacuum pump Vacuum pump adapter for counter flow prevention For R410A only Charge hose For R410A only Handle Hi Keep full closed Manifold valve Pressure gauge Compound pressure gauge Handle Lo Charge hose For R410A only Connecting pipe ...

Страница 63: ...0g Charge the refrigerant accurately Overcharging may cause serious trouble to the compressor Minimum refrigerant pipe is 6 6ft 2m Using pipe shorter than that may cause a malfunction of the compressor or other components The power supply shall be connected to the outdoor unit by 3 wires The connecting cable between the indoor unit and outdoor unit is 4 wires This cable provides the power for the ...

Страница 64: ...l the Auto Restart 1 Press and hold the RESET button on the indoor unit for 3 seconds to cancel the operation 3 beeps will sound but OPERATION lamp does not blink 2 Press and hold the RESET button on the indoor unit for 3 seconds to set the operation 3 beeps will sound and OPERATION lamp blink 5 time sec for 5 seconds Do not operate ON timer and OFF timer Note Default setting of auto restart opera...

Страница 65: ...rd by hand The new inverter 3DV inverter will be incorporated starting with this unit 3DV 3 shunt Discrete Vector control K The control circuitry has an uninsulated construction No 1 2 3 4 5 Troubleshooting Procedure First Confirmation Primary Judgment Judgment by Flashing LED of Indoor Unit Self Diagnosis by Remote Controller Judgment of Trouble by Every Symptom Page 62 63 63 64 67 No 6 7 8 9 10 ...

Страница 66: ...e 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 DC265 to 360V remains and discharging takes a lot of time After turning off the power source ...

Страница 67: ...ncreasing 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 f...

Страница 68: ... 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 69: ...e mode is indicated on the display of the remote controller Push ON or 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 Push ON or OFF button to change the chec...

Страница 70: ...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 71: ...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...

Страница 72: ...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 73: ...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 74: ...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 75: ...Is OPERATION lamp blinking NO YES NO NO YES YES Is it possible to turn on Indoor unit by pressing button on remote control Does transmission mark on remote control flash normally and is its signal transmitted properly Remote control is defective Refer to 5 Remote Control Is fuse F01 of indoor control board blown Is voltage DC 12V or 5V indicated on indoor control board normal Microcomputer is defe...

Страница 76: ...derable 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 LED when push button Replace remote control Does con...

Страница 77: ...fan motor Does the fan rotate Change the setting of cooling to high fan Operation stops Shut off the power supply Does the cross flow fan rotate normally Is the rotation signal DC 5 V 0 V output between k gray lead wire and l brown lead wire of the motor connector CN33 when rotating the cross flow fan by hand in no operating status 1 pulse one turn Turn on the power supply Replace bearing of cross...

Страница 78: ...le to detect DC 1V or more between 5 and 3 of motor connector CN31 Is it possible to detect DC 294 325V between 1 and 3 of motor connector CN31 Motor connection condition Is it possible to detect DC 15V between 4 and 3 of motor connector CN31 Is it possible to detect DC 15V between 4 and 3 of motor connector CN31 Does indoor fan operate Peplace main P C board YES YES YES YES YES YES NO NO NO NO NO...

Страница 79: ...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 79 FILE NO SV...

Страница 80: ... starts to rotate by turning on power supply Cause AC motor is only coil and Hall IC inside packing all driving control or circuit locate on a main PC Board Inspection procedure 1 Turn on breaker 2 After Fan motor operate off A C by remote controller 3 Turn off breaker for a while then turn it ON 3 1 If fan motor not operate it means an unit in Auto restart operation see more detail in P 45 46 3 2...

Страница 81: ...tton 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 check Check that ...

Страница 82: ... 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 5 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operation start...

Страница 83: ... 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 84: ... 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 85: ... 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 13071 NO NO YES NO ...

Страница 86: ... 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 PRESET ONE TOUCH QUIET SWING TIMER ON FILTER CHK C F CLOCK OFF CLR SLEEP SET FIX Hi POWER ECO COMFORT SLEEP MODE TEMP FAN 11 8 ...

Страница 87: ...ance value k Temperature C TD Discharge temp sensor TA Room temp sensor TC Heat exchanger temp sensor TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor TS Suction temp sensor TA TC TO TE TS TD 1 Sensor characteristic table RAS 09EKCV UL 87 FILE NO SVM 13071 12V GND 5V 12V ...

Страница 88: ...40 50 Resistance value k Temperature C TD Discharge temp sensor TA Room temp sensor TC Heat exchanger temp sensor TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor TS Suction temp sensor TA TC TO TE TS TD 1 Sensor characteristic table FILE NO SVM 13071 ...

Страница 89: ...alue 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 7 Refer to 11 5 1 3 and 4 at 20 C Disconnect the connector and measure resistance value with the tester Normal temperature Outdoor temperature sensor TO discharge temperature sensor TD suction temperature sensor TS outdoor heat exchanger temperature sensor TE Temperature S...

Страница 90: ...09 Soldered 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 2 FILE NO SVM 13071 Diode block 1 Turn OFF the power supply breaker 2 Completely discharge the four electrolytic capacitors 3 Remove the diode block from the PCB which is soldered in p...

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

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

Страница 93: ... screws 2 pcs 6 Take off three hooks of panel from rear side How to assemble the front panel 1 Press three center positions and two lower center positions of the air outlet and then hang the hanging hooks 3 pcs at the top side of the front panel to the rear plate 2 Tighten two screws Incomplete hanging or incomplete pressing may cause a dewdrops or generation of a fluttering sound 2 Screws Three h...

Страница 94: ... assembly onto the claws on the back body and secure it using the fixing screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom 5 Disengage the display unit by simply pushing at the t...

Страница 95: ...move one fixing screw on the heat exchage fixing holder to separate the heat exchage from the back body 2 screws Heat exchanger fixing holder Screw l FILE NO SVM 13071 5 Remove one screw at below right side of heat exchanger that used for fixing between heat exchanger and back body by Fix Evaporator DN The Fix Evaporator DN is used for transportation only and can be removed without any concern to ...

Страница 96: ...rporate it in the main body Two screws Bearing Bearing base FILE NO SVM 13071 Evaporator Heat exchanger 7 Unscrew one screw which fix Electrical Control Box and the casing Move Electrical Control Box until can see one screw that fix Motor band and unscrew it then remove FIX EVA DN Bearing base Procedures Remarks Screw Screw Motor band Screw Tighten the screw of Motor band assembly Electrical Contr...

Страница 97: ...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 screw Motor cover Two screws on motor band o Part name FILE NO SVM 13071 Reference condition of Fan Motor s assembly ...

Страница 98: ...he set screw install the cross flow fan so that flat area on shaft of the fan motor comes to the mounting hole of the set screw FILE NO SVM 13071 Perform positioning of the fan motor as follows When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front After assembling the two hooking claws of the motor b...

Страница 99: ... power supply off to stop the operation of air conditioner 2 Remove the front panel Remove the 2 fixing screws 3 Remove the electrical part base Remarks Replace terminal block microcomputer ass y and the P C board ass y 12 2 Microcomputer FILE NO SVM 13071 ...

Страница 100: ...remove connecting cable 4 Remove the upper cabinet screw 5 pcs After removing screws remove the upper cabinet pulling it upward 2 Attachment 1 Attach the upper cabinet Remarks FILE NO SVM 13071 screw 5 pcs 2 Perform cabling of connecting cable and attach the cord clamp Fix the cord clamp by tightening the screws screw 3 pcs fitting 2 concave parts of the cord clamp to each connecting cables 3 Atta...

Страница 101: ...s 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 pushing the...

Страница 102: ... their housing must be released before they are disconnected 2 Remove the control board assembly from the P C board base Remove the heat sink and control board assembly while keeping them screwed together NOTE Disengage the four claws of the P C board base hold the heat sink and lift to remove it 3 Remove the two fixing screws used to secure the heat sink and control board assembly 4 Mount the new...

Страница 103: ...ler 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 not fall Precautions when assembling the fan motor Tighten the flange nut using a tightening torque of 3 3 lbf ft 4 5 N m Fan motor Propeller fan Fan motor Flange nut FILE NO SVM 13071 2 Side cabinet left 1 Perform step 1 in 2 Remove the fixing screw used ...

Страница 104: ...move pipe connected to the compressor with a burner Take care to keep the 4 way valve away from naked flames Otherwise it may malfunction 7 Remove the fixing screw of the bottom plate and heat exchanger 8 Remove the fixing screw of the bottom plate and valve fixing plate Remarks Reactor 1 Perform work of item 1 of and 2 Remove screws fixing the reactors screw 5 pcs FILE NO SVM 13071 9 Pull upward ...

Страница 105: ... wire guard 4 Turn the front cabinet into opposite site then FILE NO SVM 13071 pull wire guard up ward 2 Attachment 1 Insert claws 2 positions of the wire guard in the holes of the front cabinet Push the hook 4 positions by hands and fix by Check that all the claws hooks are fixed to the specified positions 1 Detachment 1 Perform step 1 in all the steps in and 1 in 2 Remove the coil by pull it upw...

Страница 106: ...sitions as instructed The product will not be controlled properly and trouble will result if the sensors have not been installed in their proper positions Detail C for 12EACV UL Detail C for 09EACV UL 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 temper...

Страница 107: ...tion Part Location Part No No No No 401 43T50326 TEMPERATURE SENSOR 405 43T6V316 PC BOARD ASSY WRS LED 402 43T60401 TERMINAL BLOCK 3P 406 43T6V419 PC BOARD RAS 09EKCV UL 403 43T50325 TEMPERATURE SENSOR 406 43T6V438 PC BOARD RAS 12EKCV UL 404 43T62003 CORD CLAMP Description Description ...

Страница 108: ...44446 REFRIGERANT CYCLE ASSEMBLY 205 43T20325 CROSS FLOW FAN ASSEMBLY 221 43T00488 PANEL SERVICE ASSEMBLY 206 43T11317 PIPE SHIELD 222 43T80327 FILTER AIR R 207 43T83003 HOLDER REMOTE CONTROL 223 43T80328 FILTER AIR L 208 43T60382 MOTOR CORD 224 43T09491 GRILLE OF AIR INLET 209 43T82310 INSTALLATION PLATE 226 43T62328 TERMINAL COVER 211 43T19333 HOLDER SENSOR 227 43T66340 REMOTE CONTROLLER 212 43T...

Страница 109: ...8 43T41431 COMPRESSOR RAS 12EACV UL 26 43T46359 4WAY VALVE 9 43T43446 CONDENSER ASSEMBLY RAS 09EACV UL 27 43T63324 4WAY VALVE COIL ASSEMBL 9 43T43444 CONDENSER ASSEMBLY RAS 12EACV UL 28 43T63319 HOLDER SENSOR 10 43T46358 VALVE PACKED 6 35 DIA 30 43T39337 MOTOR BASE CONNECTION PLATE 11 43T46366 VALVE PACKED 9 52 DIA 31 43T63318 HOLDER SENSOR 12 43T47331 BONNET 6 35 DIA 32 43T63317 HOLDER SENSOR 13 ...

Страница 110: ...NK 705 43T50328 TEMPERATURE SENSOR 702 43T6V436 PC BOARD RAS 09EACV UL 707 43T62313 BASE PLATE PC 702 43T6V437 PC BOARD RAS 12EACV UL 708 43T50329 SENSOR HEAT EXCHANGER 703 43T60404 TERMINAL 5P 709 43T50330 SENSOR HEAT EXCHANGER 704 43T60403 FUSE 710 43T50331 SENSOR HEAT EXCHANGER Description Description ...

Страница 111: ... 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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