Toyotomi TAG2-A53EW Service Manual Download

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CONTENTS

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

FUNCTIONS .......................................................................... 3

SERVICE FUNCTION EXPLANATION .................................. 5

OPERATION DETAILS ........................................................... 6

TROUBLESHOOTING GUIDE ............................................. 15

PERFORMANCE CURVE DIAGRAM .................................. 23

SEMICONDUCTOR LEAD IDENTIFICATION...................... 25

SCHEMATIC DIAGRAM AND PCB’S................................... 27

SEMICONDUCTOR PIN FUNCTION ................................... 33

THERMISTOR RESISTANCE CHART ................................. 37

PARTS LIST (PCB) .............................................................. 43

ELECTRIC CIRCUIT DIAGRAM .......................................... 48

EXPLODED VIEW (INDOOR UNIT) .................................... 50

EXPLODED VIEW (OUTDOOR UNIT) ................................ 51

PARTS LIST (INDOOR UNIT) .............................................. 52

PARTS LIST (OUTDOOR UNIT) .......................................... 53

SERVICE MANUAL

ROOM AIR CONDITIONER

TAN2/TAG2-A53EW

Summary of Contents for TAG2-A53EW

Page 1: ...3 SEMICONDUCTOR LEAD IDENTIFICATION 25 SCHEMATIC DIAGRAM AND PCB S 27 SEMICONDUCTOR PIN FUNCTION 33 THERMISTOR RESISTANCE CHART 37 PARTS LIST PCB 43 ELECTRIC CIRCUIT DIAGRAM 48 EXPLODED VIEW INDOOR UN...

Page 2: ...meter Length Cooling 8 0 2 940 2 930 2 4 3 2 4 2 2 7 5 2 Heating A Cooling Heating A inch Piping Connection Port Flare piping L L inch G G inch Pipe Size Flare piping inch mm Drain hose Length Height...

Page 3: ...ntrol Device g oz Refrigerant R410A 680 24 0 2 OHR Thermostat Protection Device Air Filter Parts Provided Electronic Control Type Motor Type Rated Output Mold proof Specifications are subject to chang...

Page 4: ...ol Auto angle selection Auto swing mode Manual mode INDOOR UNIT Sensing the room temperature Room temperature sensor thermistor Time delay safety control Restarting is inhibited for approximately 3 mi...

Page 5: ...ion status memorized 3 4 minutes is protective time for compressor Attention Because of Auto recovery function if shutting off the power supply during operation the unit may restart irrespective your...

Page 6: ...void 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 R24...

Page 7: ...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 W...

Page 8: ...RATION DETAILS ROOM TEMP DESIGNATED TEMP INDOOR FAN ON ON OFF ON ON ON ON OFF COMPRESSOR 0 7 OFF OFF TIME DELAY SAFETY CONTROL FUNCTION FOR PROTECTION OF COMPRESSOR Compressor will not restart in any...

Page 9: ...FAN 3 1 3 7 1 7 0 7 Me Method of anti freezing control of heat exchanger indoor When the sensor heat exchanger detects the temperature below 2 C for the duration of one minute the compressor stops the...

Page 10: ...e compressor and indoor fan start intermittent operation ON for 10 min and OFF for 6 min by turns The air flow speed of indoor fan is super low 3 When the room temperature is cooled to designated temp...

Page 11: ...ature compressor stops When room temperature gets less than 5 3 C higher than the designated temperature compressor turns on At the start of heating operation if the room temperature is less than 18 C...

Page 12: ...FAN 54 OFF 57 10sec OPERATION DETAILS Fan speed control when Auto is selected in fan mode When Auto is selected the fan speed is automatically controlled according to the difference between the room a...

Page 13: ...12 OPERATION DETAILS Method of overload control by checking the operating current ON ON ON OFF OUTDOOR FAN CURRENT Single unit s operation Both units operation I1 4 3A 8 5A I2 3 9A 8 1A I2 OFF I1...

Page 14: ...C continuously for 5 minutes c When one indoor unit starts its defrosting operation the other indoor unit also starts the operation regardless the conditions being matched that are written above Defro...

Page 15: ...IGERANT PIPING 2 WAY VALVE 3 WAY VALVE MUFFLER COOLING MODE HEATING MODE 4 WAY VALVE CAPILLARY TUBE CAPILLARY TUBE STRAINAR ACCUMULATOR COMPRESSOR REFRIGERANT FLOW OUTDOOR UNIT HEAT EXCHANGER HEAT EXC...

Page 16: ...ed cable Do not use power supply cord extended or connected in halfway Be sure to put the units to earthing works Be sure to check the insulated resistance more than 1M Warning The combinations of thr...

Page 17: ...he electric continuity by tester emergency operation check the wiring connection and rare contact check the wiring connection and rare contact high frequency radio high frequency generator and amateur...

Page 18: ...he TAN PCB main controller Measure the voltage between the connector pins in the back of PCB main controller normal 110V 230V ELECTRIC CHARACTER table 1 Sensor temp room table 2 Sensor temp defrost Se...

Page 19: ...ed hock 7 Draw out the whole control box assembly for this side How to detach PCB main controller 8 Pull out connector of sensors room heat exchanger 9 Pull out connector of PCB receiver display 10 Pu...

Page 20: ...19 TROUBLESHOOTING GUIDE BLOCK DIAGRAM TAN2 A53EW...

Page 21: ...20 TROUBLESHOOTING GUIDE BLOCK DIAGRAM TAG2 A53EW...

Page 22: ...PACITOR 35 400 CAPACITOR 35 400 B W GR GR COMPRESSOR COMPRESSOR R B B S W R C T OHR W BR GR S W R C T CAPACITOR 2 5 440 BR DEF T DEF T TRANSFORMER R R BL BL BL P C BOARD W W TERMINAL BLOCK W B W B G Y...

Page 23: ...ve Cause 1 2 compressor OHR NO Any gas leakage YES Firstly cut down power source when the temp of above part of the compressor is below 50 C does the OHR have electric continuity see left fig NO See t...

Page 24: ...he 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...

Page 25: ...AIR TEMPERATURE INDOOR OUTDOOR HUMIDITY60 0 4 0 6 0 8 1 0 1 2 1 4 SERVICE PORT PRESSURE MPa Single unit s operation A 5 10 15 20 2 0 2 5 3 0 30 35 40 45 50 55 60 4 6 5 0 5 4 4 8 5 2 AIR TEMPERATURE O...

Page 26: ...37 SENSOR ROOM TEMPERATURE THERMISTOR RESISTANCE CHART TAN SENSOR ROOM TEMPERATURE B CONSTANT 4200 STANDARD TEMPERATURE 25 0 STANDARD RESISTANCE 23k...

Page 27: ...38 THERMISTOR RESISTANCE CHART TAN SENSOR ROOM TEMPERATURE B CONSTANT 4200 STANDARD TEMPERATURE 25 0 STANDARD RESISTANCE 23k...

Page 28: ...39 SENSOR HEAT EXCHANGER TEMPERATURE THERMISTOR RESISTANCE CHART TAN SENSOR HEAT EXCHANGER TEMPERATURE B CONSTANT 3700 STANDARD TEMPERATURE 25 0 STANDARD RESISTANCE 10k...

Page 29: ...40 THERMISTOR RESISTANCE CHART TAN SENSOR HEAT EXCHANGER TEMPERATURE B CONSTANT 3700 STANDARD TEMPERATURE 25 0 STANDARD RESISTANCE 10k...

Page 30: ...0 67 14 0 16 1 2 77 25 0 121 9 0 70 15 0 15 4 2 83 24 0 114 8 0 74 16 0 14 7 2 88 23 0 108 2 0 78 17 0 14 1 2 93 22 0 102 0 0 82 18 0 13 5 2 99 21 0 96 2 0 86 19 0 12 9 3 04 20 0 90 8 0 90 20 0 12 4 3...

Page 31: ...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 38 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...

Page 32: ...TERMINAL BLOCK TO OUTDOOR UNIT 1 2 3 1 2 3 1 2 3 4 WHITE RED BLACK WHITE RED GREEN YELLOW CN4 CN3 TAB1 L1 C2 PC3B C1 ZE1 CF1 D1 PC1B PC2A R1 C29 R3 D2 250V T3 15A PC2B PC1A PC3A IC1 BLUE BLUE RED RED...

Page 33: ...49 ELECTRIC CIRCUIT DIAGRAM TAG2 A53EW...

Page 34: ...50 TAN2 A53EW EXPLODED VIEW INDOOR UNIT 19 17 18 24 15 13 11 6 2 3 1 12 16 4 21 10 9 20 23 22 25 14 7 5 8...

Page 35: ...G 17 H A H B C A F E G C 1 D 12 2 5 4 14 13 3 17 17 18 17 18 19 20 20 20 21 21 16 15 11 26 24 6 7 8 9 10 27 29 33 32 30 31 26 23 22 28 28 24 25 25 B NOTE Each alphabet pair means connecting point of e...

Page 36: ...0 0 2 0 0 8 3 0 C R 2 1 D I L G N I R I W 1 0 2 4 5 1 2 0 2 C R 3 1 N A F R O T O M 0 0 9 3 0 2 L 0 0 2 7 0 2 L 0 0 2 2 1 2 L 4 1 N A F L A I T N E G N A T 0 0 2 0 0 1 K 0 0 5 2 0 1 K 5 1 Y S S A G N...

Page 37: ...M O C R O T I C A P A C 0 0 4 7 3 1 E 9 1 R O T O M R O T I C A P A C 0 0 0 7 0 1 E 0 2 K C O L B L A N I M R E T 0 0 2 0 2 1 E 1 2 D R O C E R U T X I F 8 0 2 V P 2 2 5 2 E A 2 2 E V L A V Y A W 4 L...

Page 38: ...ISSUED JUL 2004 RA 22 1...

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