Toyotomi TA3-A80GWI Service Manual Download Page 1

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CONTENTS

SPECIFICATION .................................................................... 1

FUNCTIONS .......................................................................... 5

SERVICE FUNCTION EXPLANATION .................................. 7

OPERATION DETAILS ........................................................... 8

TROUBLESHOOTING GUIDE ............................................. 13

PERFORMANCE CURVE DIAGRAM .................................. 18

ELECTRIC CIRCUIT DIAGRAM .......................................... 21

SCHEMATIC DIAGRAM

EXPLODED VIEW (INDOOR UNIT) ....................................

EXPLODED VIEW (OUTDOOR UNIT) ................................

PARTS LIST (INDOOR UNIT) ..............................................

PARTS LIST (OUTDOOR UNIT) ..........................................

SERVICE MANUAL

ROOM AIR CONDITIONER

TA 3-A80GWI
TA 3-A90GWI

Summary of Contents for TA3-A80GWI

Page 1: ...TION DETAILS 8 TROUBLESHOOTING GUIDE 13 PERFORMANCE CURVE DIAGRAM 18 ELECTRIC CIRCUIT DIAGRAM 21 SCHEMATIC DIAGRAM EXPLODED VIEW INDOOR UNIT EXPLODED VIEW OUTDOOR UNIT PARTS LIST INDOOR UNIT PARTS LIST OUTDOOR UNIT SERVICE MANUAL ROOM AIR CONDITIONER TA 3 A80GWI TA 3 A90GWI ...

Page 2: ...SPECIFICATION 1 INDOOR UNIT OUTDOOR UNIT TAN3 A80GWI TAN3 A80GWI TAN3 A80GWI TAG3 A80GWI TAN3 A90GWI 9K TAN3 A90GWI 9K TAN3 A90GWI 12K TAG3 A90GWI INDOOR UNIT OUTDOOR UNIT TA 3 A80GWI TA 3 A90GWI ...

Page 3: ...0 7 0 Heat m3 min 8 0 8 0 8 0 8 0 8 0 8 0 Hight mm 265 265 265 Width mm 795 795 795 Depth mm 200 200 200 Hight mm Width mm Depth mm Indoor kg 7 2 7 2 7 2 Outdoor kg Liquid mm 6 35 6 35 6 35 Gas mm 9 52 9 52 9 52 5 560 1 600 6 000 2 780 1 100 3 200 96 3 21 A 8 000 2 340 8 510 6 740 1 800 7 000 3 370 1 200 3 600 9 9 Outdoor Noise Level heating Dehumidifying capacity Refrigerant pipe diameter Net wei...

Page 4: ... 26 1 26 1 4 1 4 1 4 1 6 1 6 2 0 Cool m3 min 7 0 7 0 8 0 7 0 7 0 7 0 8 0 7 0 8 0 Heat m3 min 8 0 8 0 9 7 8 0 8 0 8 0 9 7 8 0 9 7 Hight mm 265 265 265 Width mm 795 795 795 Depth mm 200 200 207 Hight mm Width mm Depth mm Indoor kg 7 2 7 2 8 3 Outdoor kg Liquid mm 6 35 6 35 6 35 Gas mm 9 52 9 52 9 52 1880 94 3 74 5 560 1 600 6 000 6 350 1 700 6 500 2 780 1 100 3 200 3 570 1 200 3 800 8 8 1930 95 3 29...

Page 5: ...tion forced draft Refrigerant Control Device g oz Refrigerant R410A Thermostat Air Filter Parts Provided Electronic Control Type Motor Type Rated Output 1710 60 3 Mold proof 1 Mounting plate 3 Timer Real time dual ON OFF 7 hour OFF 2 Remote controller 3 3 Battery 2 pcs 3 4 Remote controller holder 3 5 Screw cap 2 pcs 3 6 Drain elbow 7 Air clean filter 2 pcs 3 Bamboo Charcoal Photo catalytic anti o...

Page 6: ...Room temperature sensor thermistor Time delay safety control Restarting is inhibited for approximately 3 minutes Indoor fan speed control High Med Low Operation indication lamps LED ELECT GREEN or RED Lights up green during operation Lights up red when negative ions are generated TIMER YELLOW Timer in operation OPERATE GREEN Outdoor unit operate Dry operation mode Automatic fan speed control Room ...

Page 7: ...r Compressor will be stopped when the evapolator s piping temperature is below 2 C for one minute Compressor will be restarted when the evaporator s piping temperature is above 2 C Airflow direction control When ON OFF BUTTON is pressed the vertical louver will move to the adequate positions for each operation automatically Manual operation The louver starts vertical swing with a push of the LOUVE...

Page 8: ... signals may happen To avoid this alternative signal model B can be selected by the following Ex factory setting is mode A Remote controller side Have J1 on the PC board short circuited by soldering Indoor unit side Cut R13 on the PC board Each Operations Details EMERGENCY AND TEST OPERATION SERVICE FUNCTION EXPLANATION Beep Twice beep Remote control unit Indoor unit Receive Ex factory setting Mod...

Page 9: ...Timer Cancellation ON OFF Timer Press the Timer fixing button ON On Timer and or OFF Off Timer once again Sleep Timer Press the SLEEP button until the operating period on the LCD disappears AIRFLOW DIRECTION CONTROL Vertical adjustment When ON OFF switch is pressed the vertical louver will move to the adequate positions for each operation automatically Swing of air flow If air flow direction switc...

Page 10: ...1 C MAX MAX 1 MIN MIN 0 3 C 0Hz Indoor fan COOLING MODE Indoor fan DRY MODE Frequency of Designated compressor temperature Room temperature 1 2 2 1 2 2min 3min Selected speed Selected speed Selected speed Stop Super low COOLING MODE AND DRY MODE OPERATION The compressor will stop when the room temperature becomes 1 C lower than the designated temperature and that condition has been kept for 2 minu...

Page 11: ...12K 54 0Hz 60 0Hz 20 0Hz 26 0Hz 2 1 HEATING MODE OPERATION The compressor will stop when the room temperature becomes 4 7 C higher than the designated temperature and that condition has been kept for 2 minutes When two indoor units are operating simultaneously even if only another room temperature reachs the designated temperature the compressor does not stop The compressor will re start when room...

Page 12: ...he thermistor and the timer switch Defrosting operation starts when the both of the following conditions are met at the same time a 50 minutes of continuous run of the compressor after the start of heating operation or after the completion of previous defrosting operation b the temperature of the outdoor heat exchanger stays lower than 2 C continuously for 2 minutes Defrosting operating is called ...

Page 13: ...SION VALVE EXPANSION VALVE EXPANSION VALVE STRAINAR REFRIGERANT FLOW OUTDOOR UNIT HEAT EXCHANGER HEAT EXCHANGER 4 WAY VALVE ACCUMULATOR ACCUMULATOR COMPRESSOR REFRIGERANT PIPING REFRIGERANT PIPING REFRIGERANT PIPING REFRIGERANT PIPING HEAT EXCHANGER 3 WAY VALVE 3 WAY VALVE ROOM B HEAT EXCHANGER 3 WAY VALVE STRAINAR STRAINAR OPERATION DETAILS ...

Page 14: ...eck the insulated resistance more than 1M Ω Warning The combinations of three LED indicators ON Flashing OFF provide the self diagnosis information as most of them shown in the trouble shooting guide Note1 Check Point Check Point Be sure to take off the plug when servicing It may cause the risk of electric shock If leakage of refrigerant occur in the installation ventilate a room If the leaked ref...

Page 15: ...SE 3 15A TAN TERMINAL BLOCK PCB RECEIVER DISPLAY TAN PCB MAIN MIS WIRING TAG TAN CONNECTING CABLE OR RARE CONTACT CUTTING OFF CT CURRENT FUSE 15A FUSING ON THE TAG PCB FILTER UNREASONABLE OPERATION UNDER OVERLOAD GAS LEAKAGE VALVE SERVICE IS CLOSED PIPE SENSOR TEMP DISCHARGE check the place of installation blockage of air inlet outlet of TAN TAG check the excessive gas check the movement by reoper...

Page 16: ...n motor should be replaced check the resistance by tester see fig 3 check the blockage of air inlet outlet of TAN TAG In this table TAN means indoor unit and TAG means outdoor unit CHECK A FOLLOWING STEPS fig 3 Resistance of 4 way valve coil fig 1 Continuity of current fuse on the TAG PCB filter fig 2 Voltage of TAN fan motor on the TAN PCB main Take off the connector and check the Resistance of 4...

Page 17: ...ensor temp discharge Push emergency operation switch and hold for more than 10 seconds while unit is not operated and release the switch when you hear three beeps You will see the latest error by indication lamp Further pushing of the switch will make the error indication by reversing cycle up to four latest errors in the past At any stage the error indication will disappear after 30 seconds 48 37...

Page 18: ... W B GR R W G Y OR CAPACITOR 4 0μＦ 500ＶＡＣ 6 12 11 27 28 29 A１ A2 B 24 20 21 22 23 SENSOR TEMP LIQUID PIPE A１ A2 B SENSOR TEMP OUTDOOR EXP V 31 32 BL P ＲＡ２１Ａ２２Ａ２３Ａ１１Ａ１２Ａ１３ＬＮ POWER SOURCE A１ ROOM A２ ROOM Ｂ１Ｂ２Ｂ３ B ROOM TERMINAL BLOCK W W B B W B SENSOR TEMP DEFROST SENSOR TEMP GAS PIPE A１ A2 B B B B B B Y W B R B BR 1 2 G Y EARTH TERMINAL FUSE 250V T3 15A S TERMINAL BLOCK OUTDOOR U...

Page 19: ...erant In order to avoid excessive charging purge all the remaining refrigerant first and then evacuate the unit completely with vacuum pump and finally apply rated volume charging of refrigerant Charging of refrigerant should be done by cooling operation because the pressure at service valve will be too high at heating cycle then the heating performance characteristics must be checked by restartin...

Page 20: ...R HUMIDITY60 C 0 5 1 0 1 5 SERVICE PORT PRESSURE MPa A C 5 10 15 20 2 0 2 5 3 0 35 40 45 50 5 0 5 5 6 0 AIR TEMPERATURE OUTDOOR HUMIDITY50 C AIR TEMPERATURE INDOOR 20 C C 4 5 MPa CURRENT TEMPERATURE BLOW OUT SERVICE PORT PRESSURE A In case one indoor unit is operating TAN3 A80GWI or TAN3 A90GWI 9K In case one indoor unit is operating TAN3 A80GWI or TAN3 A90GWI 9K ...

Page 21: ... INDOOR OUTDOOR HUMIDITY60 C 0 5 1 0 1 5 SERVICE PORT PRESSURE MPa A C 5 10 15 20 2 0 2 5 3 0 35 40 45 50 5 5 6 0 6 5 AIR TEMPERATURE OUTDOOR HUMIDITY50 C AIR TEMPERATURE INDOOR 20 C C 5 0 MPa CURRENT TEMPERATURE BLOW OUT SERVICE PORT PRESSURE A In case one indoor unit is operating TAN3 A90GWI 12K In case one indoor unit is operating TAN3 A90GWI 12K ...

Page 22: ...2 BLACK TERMINAL BLOCK TERMINAL BLOCK TO OUTDOOR UNIT 1 2 3 1 2 3 1 2 3 4 WHITE RED BLACK WHITE RED GREEN YELLOW CN4 CN7 FT5 L1 C3 PC2B C2 C1 ZE1 CF1 RL2A D1 PC1B PC3A R2 C11 R21 D2 250V T3 15A R3 PC2A PC1A RL2B IC1 BLUE BLUE RED RED BLACK WHITE BROWN YELLOW RED BLUE 1 3 1 2 WIRELESS REMOTE CONTROL ELECT LED TIMER LED IONIZER LED OPERATE LED RECEIVER UNIT PCB RECEIVER DISPLAY 1 2 3 4 5 6 7 CN1 7 M...

Page 23: ... 22 ELECTRIC CIRCUIT DIAGRAM TAG3 A80GWI TAG3 A90GWI ...

Page 24: ...28 3 0 97 5 0 85 22 5 322 5 0 29 2 5 94 8 0 87 22 0 312 1 0 30 2 0 92 1 0 89 21 5 302 0 0 31 1 5 89 5 0 91 21 0 292 2 0 32 1 0 87 1 0 93 20 5 282 9 0 33 0 5 84 7 0 96 20 0 273 8 0 34 0 0 82 3 0 98 19 5 265 1 0 35 0 5 80 1 1 00 19 0 256 7 0 36 1 0 77 9 1 02 18 5 248 6 0 37 1 5 75 8 1 04 18 0 240 8 0 38 2 0 73 7 1 07 17 5 233 2 0 39 2 5 71 7 1 09 17 0 225 9 0 41 3 0 69 8 1 11 16 5 218 9 0 42 3 5 67 ...

Page 25: ...1 89 37 5 13 1 3 02 18 0 32 2 1 92 38 0 12 9 3 04 18 5 31 4 1 95 38 5 12 6 3 07 19 0 30 6 1 98 39 0 12 3 3 09 19 5 29 9 2 00 39 5 12 1 3 12 20 0 29 2 2 03 40 0 11 8 3 14 20 5 28 5 2 06 40 5 11 6 3 17 21 0 27 8 2 09 41 0 11 3 3 19 21 5 27 1 2 12 41 5 11 1 3 22 22 0 26 5 2 15 42 0 10 8 3 24 22 5 25 9 2 18 42 5 10 6 3 27 23 0 25 3 2 21 43 0 10 4 3 29 23 5 24 7 2 24 43 5 10 2 3 31 24 0 24 1 2 27 44 0 ...

Page 26: ... 12 14 0 16 1 0 85 25 0 122 2 0 13 15 0 15 4 0 88 24 0 115 1 0 14 16 0 14 7 0 92 23 0 108 5 0 15 17 0 14 1 0 95 22 0 102 3 0 16 18 0 13 5 0 98 21 0 96 4 0 17 19 0 12 9 1 02 20 0 91 0 0 17 20 0 12 4 1 05 19 0 85 9 0 18 21 0 11 8 1 09 18 0 81 1 0 20 22 0 11 3 1 13 17 0 76 7 0 21 23 0 10 9 1 16 16 0 72 5 0 22 24 0 10 4 1 20 15 0 68 5 0 23 25 0 10 0 1 24 14 0 64 9 0 24 26 0 9 6 1 28 13 0 61 4 0 26 27 ...

Page 27: ...53 95 0 0 9 3 89 56 0 3 1 2 58 96 0 0 9 3 91 57 0 3 0 2 62 97 0 0 9 3 94 58 0 2 9 2 66 98 0 0 9 3 96 59 0 2 8 2 70 99 0 0 8 3 98 60 0 2 7 2 74 100 0 0 8 4 00 61 0 2 6 2 79 101 0 0 8 4 02 62 0 2 5 2 83 102 0 0 8 4 04 63 0 2 5 2 87 103 0 0 8 4 06 64 0 2 4 2 91 104 0 0 7 4 08 65 0 2 3 2 95 105 0 0 7 4 10 66 0 2 2 2 99 106 0 0 7 4 12 67 0 2 2 3 02 107 0 0 7 4 14 68 0 2 1 3 06 108 0 0 7 4 16 69 0 2 0 3...

Page 28: ...0 67 14 0 16 1 2 77 25 0 122 2 0 70 15 0 15 4 2 83 24 0 115 1 0 74 16 0 14 7 2 88 23 0 108 5 0 78 17 0 14 1 2 93 22 0 102 3 0 82 18 0 13 5 2 99 21 0 96 4 0 86 19 0 12 9 3 04 20 0 91 0 0 90 20 0 12 4 3 09 19 0 85 9 0 94 21 0 11 8 3 14 18 0 81 1 0 99 22 0 11 3 3 19 17 0 76 7 1 03 23 0 10 9 3 24 16 0 72 5 1 08 24 0 10 4 3 29 15 0 68 5 1 13 25 0 10 0 3 33 14 0 64 9 1 18 26 0 9 6 3 38 13 0 61 4 1 23 27...

Page 29: ... 31 95 0 0 9 4 77 56 0 3 1 4 33 96 0 0 9 4 78 57 0 3 0 4 35 97 0 0 9 4 79 58 0 2 9 4 37 98 0 0 9 4 79 59 0 2 8 4 39 99 0 0 8 4 80 60 0 2 7 4 40 100 0 0 8 4 80 61 0 2 6 4 42 101 0 0 8 4 81 62 0 2 5 4 44 102 0 0 8 4 81 63 0 2 5 4 45 103 0 0 8 4 82 64 0 2 4 4 47 104 0 0 7 4 82 65 0 2 3 4 48 105 0 0 7 4 83 66 0 2 2 4 50 106 0 0 7 4 83 67 0 2 2 4 51 107 0 0 7 4 83 68 0 2 1 4 53 108 0 0 7 4 84 69 0 2 0 ...

Page 30: ...26 24 0 9674 8 0 02 16 0 815 4 0 27 23 0 9007 3 0 03 17 0 773 3 0 29 22 0 8390 7 0 03 18 0 733 5 0 30 21 0 7820 6 0 03 19 0 696 1 0 32 20 0 7293 4 0 03 20 0 660 8 0 33 19 0 6805 4 0 03 21 0 627 6 0 35 18 0 6353 6 0 04 22 0 596 2 0 37 17 0 5934 9 0 04 23 0 566 6 0 38 16 0 5546 7 0 04 24 0 538 6 0 40 15 0 5186 7 0 04 25 0 512 2 0 42 14 0 4852 5 0 05 26 0 487 2 0 44 13 0 4542 2 0 05 27 0 463 6 0 46 1...

Page 31: ... 29 9 3 06 56 0 125 4 1 36 96 0 28 9 3 09 57 0 120 4 1 40 97 0 28 0 3 13 58 0 115 6 1 45 98 0 27 1 3 17 59 0 111 0 1 49 99 0 26 3 3 21 60 0 106 6 1 53 100 0 25 4 3 24 61 0 102 4 1 57 101 0 24 6 3 28 62 0 98 4 1 62 102 0 23 9 3 32 63 0 94 6 1 66 103 0 23 1 3 35 64 0 91 0 1 70 104 0 22 4 3 39 65 0 87 5 1 75 105 0 21 7 3 42 66 0 84 2 1 79 106 0 21 1 3 45 67 0 81 0 1 84 107 0 20 4 3 49 68 0 77 9 1 88 ...

Page 32: ...17 15 0 16 0 1 29 24 0 145 0 0 19 16 0 15 3 1 34 23 0 135 9 0 20 17 0 14 5 1 39 22 0 127 4 0 21 18 0 13 9 1 44 21 0 119 5 0 22 19 0 13 2 1 49 20 0 112 2 0 24 20 0 12 6 1 54 19 0 105 3 0 25 21 0 12 0 1 59 18 0 98 9 0 27 22 0 11 5 1 64 17 0 93 0 0 28 23 0 11 0 1 69 16 0 87 4 0 30 24 0 10 5 1 74 15 0 82 2 0 32 25 0 10 0 1 79 14 0 77 4 0 34 26 0 9 6 1 85 13 0 72 9 0 36 27 0 9 1 1 90 12 0 68 7 0 38 28 ...

Page 33: ... 3 30 95 0 0 8 4 41 56 0 2 8 3 34 96 0 0 7 4 42 57 0 2 7 3 38 97 0 0 7 4 44 58 0 2 6 3 42 98 0 0 7 4 45 59 0 2 5 3 46 99 0 0 7 4 47 60 0 2 4 3 50 100 0 0 7 4 48 61 0 2 3 3 54 101 0 0 6 4 49 62 0 2 2 3 58 102 0 0 6 4 51 63 0 2 2 3 61 103 0 0 6 4 52 64 0 2 1 3 65 104 0 0 6 4 53 65 0 2 0 3 68 105 0 0 6 4 54 66 0 1 9 3 72 106 0 0 5 4 55 67 0 1 9 3 75 107 0 0 5 4 57 68 0 1 8 3 78 108 0 0 5 4 58 69 0 1 ...

Page 34: ... 57 TAN3 A80GWI TAN3 A90GWI 9K EXPLODED VIEW INDOOR UNIT 25 16 5 18 17 23 14 12 10 6 2 3 1 11 4 20 9 8 19 22 21 24 13 7 15 ...

Page 35: ... 58 TAN3 A90GWI 12K EXPLODED VIEW INDOOR UNIT 25 16 18 17 15 11 20 9 5 4 12 19 7 6 2 3 1 22 14 10 13 23 24 21 8 ...

Page 36: ...80GWI TAG3 A90GWI EXPLODED VIEW OUTDOOR UNIT 28 1 2 6 5 24 25 29 32 30 31 34 34 11 3 33 33 33 33 9 7 8 4 36 37 38 39 40 41 3 27 26 13 16 15 14 10 12 23 35 22 21 19 20 17 18 44 45 accessories 3 3 3 46 3 47 42 3 43 ...

Page 37: ...RILLE 20469821 10 REAR CASE ASSY 20050160 20048710 11 WIRING LID 20044490 12 MOTOR FAN 53501600 53501610 53501710 30063710 30063700 13 TANGENTIAL FAN 50810090 14 BEARING ASSY 20048330 15 DRAIN PAN ASSY 20465780 16 MOTOR LOUVER 30061390 20467580 17 LOUVER UP DOWN 20044450 18 DRAIN HOSE 51620000 19 EVAPORATOR ASSY 20465810 20465840 20 AIR FILTER 20096300 20205120 21 MOUNTING PLATE ASSY 20173950 2004...

Page 38: ...SERVICE 1 4 30067520 22 VALVE SERVICE 3 8 51535761 23 SENSOR TEMP DISCHARGE 51100870 24 SENSOR TEMP DEFROST 30067570 25 SENSOR TEMP OUTDOOR 30067580 26 SENSOR TEMP LIQUID PIPE 30067590 27 SENSOR TEMP GASPIPE 30067600 28 CONDENSER ASSY 20450530 29 BAFFLE PANEL ASSY 20450471 30 REACTOR 30056630 31 CAPACITOR MOTOR 51060750 32 CONTROLLER ASSY 20450500 33 TERMINAL BLOCK 51620860 34 FIXTURE CORD 2003819...

Page 39: ...ISSUED RA 47 1 MAY 2006 Printed in Japan ...

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