Toshiba RAV-GM1101AT8JP-E Service Manual Download Page 25

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5. SPECIFICATIONS OF ELECTRICAL PARTS

Outdoor Unit

No.

Parts name

Type

Specifications

Compressor

RX330A2T-20M

Outdoor fan motor

WDF-340-A100-1

Output 100W

High pressure switch

ACB-4UB83W

ON : 3.2MPa, OFF : 4.15MPa

PMV-Coil

CAM-MD12TCTH-7

DC12V

Reactor

CH-55-2Z-T

5.4~6.14mH, 14A

P.C.board for control and fan motor drive

MCC-1626

—

P.C.board for compressor drive

MCC-1627

—

Outdoor temp. sensor (TO sensor)

—

10 k

at 25°C

Discharge temp. sensor (TD sensor)

—

50 k

at 25°C

Suction temp. sensor (TS sensor)

—

10 k

at 25°C

Heat exchanger sensor (TE sensor)

—

10 k

at 25°C

Fuse (Mounted on P.C.board, MCC-1626)

50T 100H

T10A, 250V

Fuse (Mounted on P.C.board, MCC-1626)

50T(P) 063HFGF-001C4

T6.3A, 250V

Fuse (Mounted on P.C.board, MCC-1626)

SCT 3.15A

3.15A, 250V

Fuse (Mounted on P.C.board, MCC-1627)

FJL 250V 6.3A

T6.3A, 250V

Fuse (Mounted on P.C.board, MCC-1627)

GAC1 31.5A

31.5A, 500V

PTC Thermistor

MZ32-101RMARD01E

100

, 500V

Coil-value-4way

STF-H01AJ1872A1

AC220V ~ 240V

Heat exchanger sensor (TL sensor)

—

50 k

at 25°C

Output 3000W

FILE NO.SVM-18044

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Summary of Contents for RAV-GM1101AT8JP-E

Page 1: ...SERVICE MANUAL OUTDOOR UNIT DIGITAL INVERTER RAV GM1101AT8P E TR RAV GM1401AT8P E TR RAV GM1101AT8JP E RAV GM1401AT8JP E AIR CONDITIONER SPLIT TYPE R32 FILE NO SVM 18044 3 Revised on June 2018 ...

Page 2: ...ROL CIRCUIT 37 7 1 Outdoor unit control 37 7 2 Outline of Main controls 39 8 TROUBLESHOOTING 44 8 1 Summary of Troubleshooting 44 8 2 Troubleshooting 46 8 3 Table Inspection of outdoor unit main parts 63 9 SETUP AT LOCAL SITE AND OTHERS 64 9 1 Calling of Error History 64 9 2 Others 66 10 10 1 RAV GM1101AT8 P GM1401AT8 P 67 11 EXPLODED VIEWS AND PARTS LIST 79 11 1 RAV GM1101AT8P E GM1101AT8JP E GM1...

Page 3: ...ion or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified service person who is allowed to do the electrical work involved in installation repair relocation and removal has the qualifications pertaining to this electrical work as stipulate...

Page 4: ...owing contents Indications Illustrated marks and keep them Explanation of indications Indication DANGER WARNING CAUTION Explanation Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the repair en...

Page 5: ...ICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION High temperature parts You might get burned when removing this panel WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with grill...

Page 6: ...uch the aluminum fins of the unit Doing so may result in injury CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst Capacitor connected within this disconnect or downstream upon shutdown wait 5 minute to allow capacitors to discharge WARNING WARNING Open the service valves before the operation otherwise there might be the burst FILE NO SVM 18044 3 6...

Page 7: ...ircumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and or electrical leaks Wear protective gloves and safety work clothing during installation servicing and removal When connecting the electrical wires repairing the electrical parts or undertaking other electrical jobs wear gloves to provide protection for ele...

Page 8: ...earth wire is connected to the earth terminals of the main unit otherwise an electric shock is caused when a leak occurs If the earth wire is not correctly connected contact an electric engineer for rework After completing the repair or relocation work check that the ground wires are connected properly Be sure to connect earth wire Grounding work Incomplete grounding causes an electric shock Do no...

Page 9: ... of the refrigerating cycle resulted in cause of breakage or injury Therefore if the refrigerant gas leaks recover the refrigerant in the air conditioner execute vacuuming and then newly recharge the specified amount of liquid refrigerant In this time never charge the refrigerant over the specified amount When recharging the refrigerant in the refrigerating cycle do not mix the refrigerant or air ...

Page 10: ...r repairing piping Connect the pipes surely and there is no leak of refrigerant The valve is opened Running the compressor under condition that the valve closes causes an abnormal high pressure resulted in damage of the parts of the compressor and etc and moreover if there is leak of refrigerant at connecting section of pipes the air is suctioned and causes further abnormal high pressure resulted ...

Page 11: ... wind of air conditioner otherwise it may cause imperfect combustion When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possi...

Page 12: ...el type Commercial name Digital Inverter Series Air Conditioner Note This declaration becomes invalid if technical or operational modifications are introduced without the manufacturer s consent Manufacturer TCF holder TOSHIBA CARRIER THAILAND CO LTD 144 9 Moo 5 Bangkadi Industrial Park Tivanon Road Tambol Bangkadi Amphur Muang Pathumthani 12000 Thailand TOSHIBA CARRIER EUROPE S A S Route de Thil 0...

Page 13: ...und power level dBA Weight kg Cooling Heating RAV GM1101AT8P E 74 68 RAV GM1101AT8JP E 74 68 RAV GM1401AT8P E 74 68 RAV GM1401AT8JP E 74 68 RAV GM1101AT8P TR 74 68 RAV GM1401AT8P TR 74 68 Under 70 dBA FILE NO SVM 18044 3 13 ...

Page 14: ...rk be sure to check for leakage refrigerant or residual refrigerant If the leakage refrigerant comes into contact with fire a poisonous gas may occur or it may cause a fire Keep adequate ventilation during the work 4 When refrigerant gas leaks during work execute ventilation If the leakage refrigerant comes into contact with a fire a poisonous gas may occur or it may cause a fire 5 In places where...

Page 15: ...f the refrigerant changes and then characteristics of the air conditioner change 3 Pipe Materials For the refrigerant pipes copper pipe and joints are mainly used It is necessary to select the most appropriate pipes to conform to the standard Use clean material in which impurities adhere inside of pipe or joint to a minimum 1 Copper pipe Piping The pipe thickness flare finishing size flare nut and...

Page 16: ...t possibility of burning be sure to use the tools corresponding to R32 Note 4 Like R410 a Vacuum pump adapter needs installing to prevent a Vacuum pump oil mineral oil from flowing backward into the Charge hose Mixing of the Vacuum pump oil into R32 refrigerant may cause a trouble such as generation of sludge clogging of capillary etc Note 5 Be sure to use those tools after confirming they corresp...

Page 17: ...0m Height difference Outdoor lower m 30 30 Outdoor higher m 30 30 Outer dimension Height mm 890 890 Width mm 900 900 Depth mm 320 320 Appearance Silky shade Muncel 1Y8 5 0 5 Total weight kg 68 68 Heat exchanger Finned tube Fan unit Fan Propeller fan Standard air flow high m3 min 68 70 Motor W 100 100 Connecting pipe Gas side mm 15 9 15 9 Liquid side mm 9 5 9 5 Sound pressure level Cooling Heating ...

Page 18: ...d RPS GM110 GM140 GM110 GM140 s Capacity variation ratio according to temperature 1 2 Operation Characteristic Curve RAV GM1101AT8 P GM1401AT8 P Cooling Heating 0 10 20 30 40 50 60 70 80 90 100 110 120 14 12 10 8 6 4 6 8 10 4 2 0 2 Outdoor temp C Capacity ratio 50 55 60 65 70 75 80 85 90 95 100 105 110 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 GM140 GM110 FILE NO SVM 18044 3 18 ...

Page 19: ...2 1 RAV GM1101AT8 P GM1401AT8 P 2 CONSTRUCTION VIEWS EXTERNAL VIEWS FILE NO SVM 18044 19 ...

Page 20: ...ous Twin Inner diameter Ø C Inner diameter Ø D Inner diameter Ø D A B Model RBC TWP30E2 Liquid side Gas side TWP50E2 Liquid side Gas side A B C D 36 14 Ø9 5 Ø6 4 43 23 Ø15 9 Ø12 7 34 14 Ø9 5 Ø9 5 44 21 Ø15 9 Ø15 9 FILE NO SVM 18044 20 ...

Page 21: ...ch pipe Air heat exchanger Heating Cooling Indoor unit Refrigerant pipe at liquid side Outer dia ØB Refrigerant pipe at gas side Outer dia ØA Distributor Strainer incorporated Strainer Heating Cooling TCJ sensor TC sensor Air heat exchanger To outdoor unit To outdoor unit s Single type Combination of 1 indoor unit and 1 outdoor unit s Twin type Combination of 2 indoor units and 1 outdoor unit Indo...

Page 22: ...ensor Distributor 4 way valve STF H0218 Ø25 L180 Ø25 L210 Rotary compressor RX330A2T 20M Accumulator 1800cc Heat exchanger Ø8 2 rows 40 steps FP1 3 flat fin R32 2 1kg Cooling Heating Muffler PMV Pulse Motor Valve CAM BD25TCTH 1 P Pressure switch 3 2 Outdoor Unit RAV GM1101AT8 P GM1401AT8 P FILE NO SVM 18044 22 ...

Page 23: ...55 17 80 HIGH 15 15 RAV GM1401T8 P Pressure Pipe surface temperature C Comp Hz Fan Temp MPa kg cm2 G Pd Ps Pd Ps TD TS TC TE In Out Cooling Standard 3 24 0 73 34 4 8 7 92 8 10 45 68 HIGH 27 19 35 Overload 3 72 1 10 37 2 10 9 86 16 18 54 53 HIGH 32 24 46 Low load 2 05 0 83 20 9 8 5 41 10 8 4 20 LOW 18 15 5 15 Heating Standard 2 57 0 60 28 4 6 4 80 1 42 1 68 HIGH 20 7 6 Overload 3 38 0 99 30 6 11 4 ...

Page 24: ...R L2 Y L3 B N TB1 TB2 BACK FRONT Parts Layout P C board Connector Terminal Terminal block Protective earth Field wiring YEL YELLOW BRW BROWN WHI WHITE GRN GREEN GRY GRAY RED RED BLU BLUE BLK BLACK Color Indication Terminal block to indoor unit Terminal block power supply Air temp sensor Heat exchange temp sensor Pipe temp sensor Discharge Pipe temp sensor Suction Rush current protect resistor Puls...

Page 25: ...0 Discharge temp sensor TD sensor 50 kΩ at 25 C 11 Suction temp sensor TS sensor 10 kΩ at 25 C 12 Heat exchanger sensor TE sensor 10 kΩ at 25 C 14 Fuse Mounted on P C board MCC 1626 50T 100H T10A 250V 15 Fuse Mounted on P C board MCC 1626 50T P 063HFGF 001C4 T6 3A 250V 16 Fuse Mounted on P C board MCC 1626 SCT 3 15A 3 15A 250V 17 Fuse Mounted on P C board MCC 1627 FJL 250V 6 3A T6 3A 250V 18 Fuse ...

Page 26: ...ecome abnormally high so that a rupture or personal injury may be caused 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 volume of refrigerant is instal...

Page 27: ...of socket joints Nominal diameter 1 4 3 8 1 2 5 8 Reference outer diameter of copper pipe jointed mm 6 4 9 5 12 7 15 9 Minimum joint thickness mm 0 50 0 60 0 70 0 80 6 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 other than lubricating oils used in the inst...

Page 28: ...r 1 4 3 8 1 2 5 8 3 4 Outer diameter mm 6 4 9 5 12 7 15 9 19 1 Thickness mm 0 8 0 8 0 8 1 0 1 2 Dimension mm A B B C 9 1 9 2 6 5 13 13 2 13 5 9 7 20 16 6 16 0 12 9 23 19 7 19 0 16 0 25 24 0 19 2 28 Flare nut width mm 17 22 26 29 36 Nominal diameter 1 4 3 8 1 2 5 8 3 4 Outer diameter mm 6 4 9 5 12 7 15 9 19 1 Thickness mm 0 8 0 8 0 8 1 0 1 2 A mm Flare tool for R410A R22 clutch type 0 to 0 5 0 to 0...

Page 29: ...renches available on the market N m kgf m 16 1 6 18 1 8 42 4 2 55 5 5 65 6 5 68 to 82 6 8 to 8 2 R410A or R32 Reference values 2 Flare Connecting Procedures and Precautions a Make sure that the flare and union portions do not have any scar or dust etc b Correctly align the processed flare surface with the union axis c Tighten the flare with designated torque by means of a torque wrench The tighten...

Page 30: ...nd ensure that the compound gauge s pointer does not return Set the refrigerant cylinder to the electronic balance connect the connecting hose to the cylinder and the connecting port of the electronic balance and charge liquid refrigerant INDOOR unit Liquid side Refrigerant cylinder With siphon pipe Check valve Gas side Open Close valve for charging Electronic balance for refrigerant charging Open...

Page 31: ...of tin and lead Since it is weak in adhesive strength do not use it for refrigerant pipes 1 Phosphor bronze brazing filler tends to react with sulfur and produce a fragile compound water solution which may cause a gas leakage Therefore use any other type of brazing filler at a hot spring resort etc and coat the surface with a paint 2 When performing brazing again at time of servicing use the same ...

Page 32: ...ntion of oxidation during brazing 1 Do not enter flux into the refrigeration cycle 2 3 When chlorine contained in the flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine 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 6 5 3 Brazing As braz...

Page 33: ...odel name RBC TWP30E RBC TWP50E On the existing air conditioner for simultaneous operation system twin system there are cases of branch pipes being used that have insufficient compressive strength In such case please change the piping to a branch pipe for R32 or R410A 6 6 4 Curing of pipes When removing and opening the indoor or outdoor unit for a long time cure the pipes as follows 6 6 Instructio...

Page 34: ...ssible to operate the existing air conditioner Was largely discolored ora large quantity of remains discharged When the oil deteriorates the color of the oil changes to a muddy or black color Connect the indoor outdoor units to the existing pipe Use a flare nut attacheindoor outdoor units Do not existing pipe Re machine the flaremachining size to size for R32 After the existing air conditioner is ...

Page 35: ...es due to insufficient pressure capacity 6 6 7 Recovering Refrigerant Use the refrigerant recovery equipment to recover the refrigerant 6 7 Charging additional refrigerant Amount of additional refrigerant shall be restricted by the following explanation to ensure the reliability Miss charging leads to the abnormal high pressure in the refrigerant cycle causing a rupture a injury and a compressor m...

Page 36: ...nts In addition a set of calibrated weighing scales shall be available and in good working order Hoses shall be complete with leak free disconnect couplings and in good condition Before using recovery machine check that it is satisfactory working order has been properly maintained and that any associated electrical components are sealed to prevent ignition in the event of a refrigerant release Con...

Page 37: ...lect J800 J806 LED Display D800 805 Case thermo CN500 High pressure SW CN501 Relay output CN502 PMV coil output CN701 Sensor input TL CN604 TD CN603 TO CN602 TE CN601 TS CN600 Fuse for Indoor Unit F02 Connection with indoor unit CN03 Power supply CN04 Power supply CN05 Fan output CN300 Coil value 4 way output CN700 FILE NO SVM 18044 37 ...

Page 38: ...t W phase CN202 Compressor output V phase CN201 Compressor output U phase CN200 Reactor connecting terminal CN08 UART Communication CN852 Power supply L2 P02 Power supply L3 P03 Power supply L1 P01 Relay input CN11 Reactor connecting terminal CN07 Earth P05 Neutral P04 FILE NO SVM 18044 38 ...

Page 39: ...sive shortening of the compressor life In a case of trouble on the compressor be sure to check there is no error in the resistance value an the refrigerating cycle of each sensor after repair and then start the operation 2 Discharge temperature release control 1 When the discharge temperature did not fall or the discharge temperature rapidly went up by PMV control this control lowers the compresso...

Page 40: ...trolled by TL sensor TO sensor and compressor frequency An outdoor fan is controlled at 1 tap interval of DC fan control 2 At the start time the fan is fixed for 60 seconds only with the maximum fan tap corresponded to the zone in the following table but it is controlled with TL sensor temperature after then 1 tap 20 sec Up to the maximum rotational frequency of each zone Rotational frequency hold...

Page 41: ...p range GM110 GM140 20 4 Hz or lower 20 4Hz to 45 0Hz 45 0Hz or higher Max Max Max 10 C TO W7 W8 W9 5 C TO 10 C W9 WB WE 3 C TO 5 C WE WE WE 10 C TO 3 C WE WE WE TO 10 C WE WE WE TO error WE WE WE 5 Coil heating control 1 This control function heats the compressor by turning on the stopped compressor instead of a case heater It purposes to prevent stagnation of the refrigerant inside of the compre...

Page 42: ...eck code list 9 High pressure release control 1 The operation frequency is controlled to restrain abnormal rising of high pressure by TL sensor in cooling operation and TC sensor in heating operation 2 When TL sensor in cooling operation or TC sensor in heating operation detects abnormal temperature of the stop zone stop the compressor and the error count becomes 1 3 When the compressor stopped wi...

Page 43: ...us of TEO TE 3 C continued for 20 seconds When status of TEO TE ToO TO 2 C continued for 20 seconds B zone When status of TEO TE 2 C continued for 20 seconds C zone When status of GM110 140 TE 18 C continued for 20 seconds D zone When compressor operation status with GM110 140 TE 2 C are added by d times 11 High pressure switch 1 When the high pressure switch operates the operation of the compress...

Page 44: ...t be performed from remote controller Is not the control operation performed from outside remote side Is not automatic address being set up When the power is turned on at the first time or when indoor unit address setting is changed the operation cannot be performed for maximum approx 5 minutes after power ON Is not being carried out a test run by operation of the indoor controller b Did you retur...

Page 45: ...ddress being set up Is not being carried out a test run by operation of the indoor controller b Did you return the cabling to the initial positions c Are connecting cables between indoor unit and receiving unit correct 2 Troubleshooting procedure When the power is turned on at the first time or when indoor unit address setting is changed the operation cannot be performed for maximum approx 5 minut...

Page 46: ...te controller Setup error E09 E10 Communication error between CPUs on indoor unit P C board E18 Wire connection error between indoor units Indoor power OFF Communication stop between indoor master and follower or between main and sub indoor twin Operation Timer Ready Flash E04 Miswiring between indoor unit and outdoor unit or connection error Communication stop between indoor and outdoor units Ope...

Page 47: ...cuit error Outdoor P C board error H04 Case thermostat operation Outdoor compressor overheat error Outdoor unit connection error Operation Timer Ready Simultaneous flash L03 Duplicated header indoor units AUTO address If group construction and address are not normal power supply turned on automatically goes to address setup mode L07 There is indoor unit of group connection in individual indoor uni...

Page 48: ...etection circuit error 44 H04 Outdoor unit case thermostat worked Outdoor Case thermostat worked 88 L10 SIM Outdoor unit Unset model type of service P C board Outdoor When outdoor service P C board was used model type select jumper setting was inappropriate 1C L29 SIM Outdoor unit Communication error between MCUs Outdoor Communication error between MCUs 1E P03 ALT Outdoor unit Discharge temp error...

Page 49: ...ted 1 Check outdoor P C board L10 Unset jumper of service P C board Stop Displayed when error is detected 1 Outdoor service P C board Check model type setting jumper wire L29 Communication error between MCUs of outdoor unit Stop Displayed when error is detected 1 Check outdoor P C board 2 Check connection between outdoor P C boards H01 Compressor break down Although operation has started operation...

Page 50: ...tected temperature over specified temp Stop Displayed when error is detected 1 Check gas leak recharge 2 Check full open of service valve 3 Check PMV Pulse Motor Valve 4 Check broken pipe 5 Check discharge temp sensor TD suction temp sensor TS P20 High pressure protective operation During cooling operation outdoor temp sensor TE detected temperature over specified temp Stop Displayed when error is...

Page 51: ...eakdown 11 Compressor lock 12 Current detection circuit error 13 Thermostat for compressor activated 14 Model data not set 15 MCU MCU commumication error 16 Discharge temperature error 17 High pressure SW error 18 Power supply voltage error 19 Heat sink overheating error 20 Gas leak detected 21 4 way valve reverse error 22 High pressure release operation 23 Fan system error 24 Short circuit of com...

Page 52: ...when the same error occurred continuously by multiple times while LED of the outdoor P C board displays even an error which occurred once Therefore the display on the wired remote controller may differ from that of LED LED display on outdoor P C board Display of error which is generating When even one of D800 to D804 rapid flashing it indicates that an error occurred ە D800 Yellow ە ە D801 Yellow ...

Page 53: ...blocks 1 2 3 correct YES YES YES NO NO NO F04 Discharge temp sensor TD error Is connection of CN603 correct Is resistance value of TD sensor correct Correct connector Sensor error Replace Check outdoor P C board Defect Replace YES NO F06 Heat exchanger temp sensor TE error Is connection of CN601 correct Is resistance value of TE sensor correct Correct connector Sensor error Replace Check outdoor P...

Page 54: ...board Defect Replace Is connection of CN600 correct Is resistance value of TS sensor correct YES NO F13 Heat sink temp sensor TH error Check outdoor P C board MCC 1627 Defect Replace F15 Miss mounting of heat exchanger sensor TE TS Check outdoor P C board Defect Replace Correct connector Sensor error Replace Correct connector Sensor error Replace Correct sensor mounting Is mounting status of TE an...

Page 55: ...correct Compressor lead P C board side Compressor side Reactor lead Power supply lead YES YES YES NO NO NO H02 Compressor lock Check wire connection and correct it Correct power supply line Is compressor under correct conditions Is there refrigerant stagnation Does PMV correctly operate Is power supply voltage correct AC342 to 457V Is wire connection correct Compressor lead P C board side Compress...

Page 56: ...ection and case thermostat correct Short each pins of CN500 Can compressor operate YES YES NO YES YES NO NO YES NO NO L10 Unset model type Only when service P C board is used Cut jumper line according to the explanation sheet packaged with the service P C board L29 Communication error between MCUs Check outdoor P C board Defect Replace P03 Discharge temp error Check outdoor P C board Defect Replac...

Page 57: ... high pressure switch operate Are parts of high pressure switch correct Reset the power supply and then make a test run Is there any element which blocks heat exchanger of the outdoor unit Clogging of heat exchanger Short circuit Parts check Defective Replace Elimination of blocking element Check outdoor PC board Defective Replace Wiring check Correct Open service valve fully Repair defective posi...

Page 58: ...ng block air flow from the fan Apply radiation grease to objective parts Retightening of screws NO NO YES YES Is the power device on P C board screwed without looseness Q200 of MCC 1627 Are radiation grease properly applied Q200 of MCC 1627 P15 Gas leak detection Check outdoor P C board Defect Replace Repair defective position Replace defective part Repair defective position Recharge refrigerant I...

Page 59: ...ve is operated Check outdoor P C board Check indoor P C board Defect Replace Check 4 way valve Defect Replace Check outdoor P C board Defect Replace NO YES OK Error YES NO NO Is refrigerant flow by PMV correct YES P20 High pressure protective operation Reset the power supply and then make a test run Open service valve fully Check outdoor fan Defect Replace retightening Is service valve fully opene...

Page 60: ...t sink Does something block air flow from the fan Rotate shaft of the fan motor by hands during power OFF Can it rotate smoothly Is coil resistance of fan motor correct Between red and white lead wire 12 to 20Ω Betweenwhite and black lead wire 12 to 20Ω Betweenblack and red lead wire 12 to 20Ω NO YES NO NO YES YES YES YES Check outdoor P C Board Defect Replace Check wiring construction Ask repair ...

Page 61: ...compressor Rear short etc Defect Replace Are connections of compressor lead and reactor correct Check referring to the Wiring diagram NO YES P29 Position detection circuit error Check outdoor P C board Defect Replace No code Other error Compressor disorder due to sudden change of load etc Although the display of outdoor LED outputs the unit automatically restarts and error is not determined LED di...

Page 62: ...inimum value Standard value Maximum value 0 150 5 161 3 172 7 10 92 76 99 05 105 6 20 58 61 62 36 66 26 25 47 01 49 93 52 97 30 37 93 40 22 42 59 40 25 12 26 55 28 03 50 17 00 17 92 18 86 60 11 74 12 34 12 95 70 8 269 8 668 9 074 80 5 925 6 195 6 470 90 4 321 4 507 4 696 100 3 205 3 336 3 468 Resistance kΩ 50ºC or lower Resistance kΩ 50ºC or higher 0 0 50 100 150 200 0 5 10 15 20 10 20 30 40 50 60...

Page 63: ...ack Red Under 20 C Red White Black 2 Outdoor fan motor Model WDF 340 A100 1 Measure the resistance value of each winding by using the tester Position Resistance value Red White 17 3 1 7 Ω White Black Black Red Under 20 C Red White Black 3 4 way valve coil Cooling heating switching Model STF H Measure the resistance value of each winding by using the tester Resistance value 7 1 0 36 Ω Under 20 C Co...

Page 64: ...mote controller 1 1 OUT IN 2 1 Master OUT IN 3 1 OUT IN 4 1 OUT IN 7 1 Max 8 units 1 Display range on remote controller The setup range Operation mode Air volume select Setup temp of the indoor unit which was set to the master unit is reflected on the remote controller 2 Address setup Turn on power of the indoor unit to be controlled in a group within 3 minutes after setting of automatic address I...

Page 65: ...s available Approx 50 seconds after power ON Regular communication between indoor units Every 30 seconds Master Follower Regular communication on the identical pipe every 30 seconds Twin Master Follower When the above status changes immediately communicates Repetition The unit without power feed waits entirely Waiting status is released by system start Reboot when power is fed on the way 3 minutes...

Page 66: ...ioner 2 To set the air conditioner to test run mode hold down the Temporary button for more than 10 seconds Then you will hear a Pi sound and the light green light green and light orange lamps will blink quickly to indicate that the air conditioner has gone into a test run mode 3 Wait for one minute to elapse and then close the valve of liquid side 4 It is recommended to attach a pressure gauge at...

Page 67: ... plate Hexagonal screw Ø4 10 5 pcs In this time insert the fin guard of rear side between the top plate and the heat exchanger Rear side 2 Connect the power supply wire and the indoor outdoor connecting wire to the terminal and fix it with cord clamp CAUTION Using bundling band on the market be sure to fix the power wire and indoor outdoor connecting wire along the crossover pipe so that they do n...

Page 68: ...ews of the discharge port cabinet and the fin guard Hexagonal screw Ø4 10 2 pcs Remarks Side cabinet 3 1 Detachment 1 Carry out work of 1 of 1 2 Remove screws which fix the inverter assembly and the side cabinet ST1T Ø4 8 2 pcs 3 Remove screws of the side cabinet and the valve fixing plate ST1T Ø4 8 2 pcs 4 Remove screws of the side cabinet and the pipe panel Rear Hexagonal screw Ø4 10 2 pcs 5 Rem...

Page 69: ...mp CN500 Case thermo 2P Blue CN501 High pressure switch 2P Green CN502 Relay output 2P White CN600 TS sensor 3P White tube CN601 TE sensor 2P White tube CN602 TO sensor 2P Yellow tube CN603 TD sensor 3P White tube CN604 TL sensor 2P White tube CN700 4 way coil 2P Yellow CN701 PMV coil 5P Blue CN851 UART Communication 6P Red 4 Remove the P C board from the 6 PCB Mounts 2 Attachment 1 Mount the P C ...

Page 70: ...at sink 7 Cut 2 banding bands and remove 2 faston terminals from PTC thermistor Remove the connectors by pulling the connector body Do not pull the wire 8 Remove the P C board from the 3 PCB Mounts 9 Remove all the connectors and faston terminals connected to the P C board Remove the connectors and faston terminals by pulling the connector body Do not pull the wire Connectors should be removed aft...

Page 71: ...ut works of 1 of 1 and 3 2 Remove the relay connector connected to the control P C board Remarks 3 Remove each reactor Truss B tight screw Ø4 6 2 pcs each 4 Attach a new reactor Reactor relay connector Connected to lead wire White at P C board side 5 Screws FILE NO SVM 18044 2 71 ...

Page 72: ...ken in order not to put the fan motor lead into contact with the propeller fan Attach the fan motor lead fixing rubber to the partition plate so that projection directs to the refrigerating cycle side Be sure that the rector body does not come to contact with the fan motor lead Be sure to bind the removed bundling band with the bundling band on the market CAUTION Use the metal band of the motor ba...

Page 73: ... valve fixing plate and the accumulator Hexagonal screw Ø4 10 1 pc Cut off the bundling band for the dis charge pipe and the suction pipe and then remove each sensor and coil lead of PMV 6 Remove the soundproof plate Upper side outer winding inner winding 7 Remove terminal cover from the compressor and then remove the compressor lead and also the compressor case thermo 8 Remove TD sensor fixed to ...

Page 74: ...ed so take sufficient care CAUTION Note so that the flame does not catch the 4 way valve and PMV An operation may become an error 11 Pull off the discharge pipe and the suction pipe of the refrigerating cycle upward 12 Remove the compressor bolts which fix the compressor to the bottom plate 3 pcs 13 Pull out the compressor toward you X CAUTIONX The weight of the compressor is 15kg or more so handl...

Page 75: ... coil lead wire to the discharge pipe and the suction pipe with the bundling band via the pipe cover In this time take note that each sensor and PMV coil lead wire do not come to contact with the discharge pipe and the reactor For fixing to the discharge pipe use the black heat proof pipe cover and the bundling band for heat proof which is sold on the market As shown in the right figure mount the ...

Page 76: ...e valve and PMV of the outdoor unit Forced full opening method of PMV 4 Refrigerant charging 1 Add the quantity of refrigerant specified by the pipe length into the charge port of the valve Remarks 1 Detachment 1 Carry out works of 1 of 1 and 3 2 While pulling the coil upward and removing the spring which pinches the copper pipe remove the coil from PMV main body 2 Attachment 1 Match the spring to...

Page 77: ...4 Cut the bundling bands that fixate high pressure switch lead line 5 Remove the connector for high pressure switch from the inverter 6 Remove the High pressure switch Cautions when assembling the high pressure switch Tighten the high pressure switch with 11 1N m Tightening work must use two spanners Inverter Cut the bundling band High pressure switch connector 9 High pressure switch Cut the bundl...

Page 78: ...t cabinet and then put on it so that the fan guard side directs downward 3 Remove the hooking claws 8 positions of the fan guard 2 Attachment 1 Push the hooking claws 8 positions with hands from the front side to fix the claws CAUTIONX Check that all the hooking claws are fixed at the specified positions Remarks Bell mouth Discharge port cabinet Fan guard Hooking claw 10 FILE NO SVM 18044 2 78 ...

Page 79: ...11 EXPLODED VIEWS AND PARTS LIST 11 1 RAV GM1101AT8P E GM1101AT8JP E GM1101AT8P TR RAV GM1401AT8P E GM1401AT8JP E GM1401AT8P TR FILE NO SVM 18044 79 ...

Page 80: ...VE BALL 15 88 DIA 1 1 1 1 1 1 20 43T46380 VALVE PACKED 9 52 DIA 1 1 1 1 1 1 21 43T43589 CONDENSER ASSEMBLY 1 1 1 1 22 43T43590 CONDENSER ASSEMBLY 1 1 23 43T47372 STRAINER 1 1 1 1 1 1 24 43T47396 STRAINER 1 1 1 1 1 1 25 43T60478 ASM SERV MOT 1 1 1 1 1 1 26 43T20352 FAN PR PB522 1 1 1 1 1 1 27 43T19372 FAN GUARD TOSHIBA 1 1 1 1 1 1 28 43T22313 BELLMOUTH 1 1 1 1 1 1 29 43T19345 FIN GUARD 1 1 1 1 1 1 ...

Page 81: ...Inverter assembly RED WHI GRY RED WHI BLK GRY BRW 419 424 421 426 425 421 421 410 411 417 415 413 416 414 420 421 425 TL TS TO TD 423 422 81 425 425 421 421 418 ...

Page 82: ...HOLDER SENSOR 1 1 417 43T63316 HOLDER SENSOR 1 1 418 43T6W329 PC BOARD ASSY CDB MCC 1626 1 419 43T6W331 PC BOARD ASSY IPDU MCC 1627 1 1 420 43T60413 FUSE 1 1 421 43T95301 SUPPORT SPACER 5 5 422 43T60419 TERMINAL 4P 1 1 423 43T60331 TERMINAL 3P 1 1 424 43T50345 THERMISTOR PTC 1 1 425 43T95302 SPACER EDGE 4 4 426 43T60479 WIRE ASSY COMP LEAD 1 1 Location No Part No Description RAV GM1401AT8P E GM140...

Page 83: ...cessively Suffocation from leakage of R32 is almost non existent If a conditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant accidentally leaks out its concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit...

Page 84: ...144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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