Toyotomi TAG2-62HI Service Manual Download Page 1

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CONTENTS

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

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

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

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

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

PERFORMANCE CURVE DIAGRAM .................................. 20

ELECTRIC CIRCUIT DIAGRAM .......................................... 22

SCHEMATIC DIAGRAM

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

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

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

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

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

SERVICE MANUAL

ROOM AIR CONDITIONER

Summary of Contents for TAG2-62HI

Page 1: ...N DETAILS 6 TROUBLESHOOTING GUIDE 13 PERFORMANCE CURVE DIAGRAM 20 ELECTRIC CIRCUIT DIAGRAM 22 SCHEMATIC DIAGRAM THERMISTOR RESISTANCE CHART EXPLODED VIEW INDOOR UNIT EXPLODED VIEW OUTDOOR UNIT PARTS L...

Page 2: ...0 Heating A inch Piping Connection Port Flare piping L L inch G G inch Pipe Size Flare piping inch mm Drain hose Height Width Depth m mm Dimensions mm mm kg Net Weight 3 Half Union 1 4 Half Union 3 8...

Page 3: ...evice g oz Refrigerant R410A Thermostat Air Filter Parts Provided Electronic Control Type Motor Type Rated Output 1200 42 3 Mold proof Specifications are subject to change without notice 1 Mounting pl...

Page 4: ...oom 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...

Page 5: ...on 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 i...

Page 6: ...ame room interference of the 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 sh...

Page 7: ...imer 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 DIR...

Page 8: ...3Hz 20 0Hz 1 C MAX MAX 1 1 MIN 2 MIN 2 0 3 C 0 Hz Frequency of Designated compressor temperature Room temperature COOLING MODE OPERATION The compressor will stop when operational frequency reached the...

Page 9: ...designated temperature The operating frequency of the compressor is determined according to the room temperature see the diagram below TAN 28HIM TAN 32HIM one indoor unit operation 1 50 0Hz 60 0Hz 2 2...

Page 10: ...MODE OPERATION The compressor will stop when operational frequency reached the minimum frequency and that condition has been kept for 2 minutes and the room temperature becomes 5 0 C higher than it wa...

Page 11: ...thermistor and the timer switch Defrosting operation starts when the both of the following conditions are met at the same time a 40 minutes of continuous run of the compressor after the start of heat...

Page 12: ...x Min Two indoor units are operating TAN 28HIM and TAN 32HIM Model Number Time T2 Frequency F2 Cooling 67Hz T Max T3 Max F3 85Hz 78Hz Min 20Hz Heating 67Hz 2min 2min 85Hz 74Hz 25min limitless 12min li...

Page 13: ...REFRIGERANT PIPING 2 WAY VALVE 3 WAY VALVE COOLING MODE HEATING MODE CAPILLARY TUBE EXPANSION VALVE EXPANSION VALVE CAPILLARY TUBE STRAINAR REFRIGERANT FLOW OUTDOOR UNIT HEAT EXCHANGER HEAT EXCHANGER...

Page 14: ...halfway Be sure to check the insulated resistance more than 1M Warning The combinations of three LED indicators ON Flashing OFF provide the self diagnosis information as most of them shown in the tro...

Page 15: ...CHARGE SENSOR TEMP OUTDOOR SENSOR TEMP POWER MODULE FILTER IS CHOKED SENSOR TEMP HEAT EXCHANGER TAN PCB MAIN FAN MOTOR TAN UNREASONABLE OPERATION UNDER OVERLOAD MOMENTARY STOP OF POWER IN CASE OF LIGH...

Page 16: ...nit and TAG means outdoor unit CHECK A FOLLOWING STEPS fig 3 Voltage of TAN fan motor on the TAN PCB main fig 1 Resistance of sensor temp power module fig 2 Continuity of current fuse on the TAG PCB m...

Page 17: ...odule check the voltage 230V between 1 and 2 in terminal of TAG normal NO YES check the power supply wiring check the voltage of TAG PCB main NO YES take off the connectors 23 24 check the damage of p...

Page 18: ...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...

Page 19: ...MPRESSOR OHR 4WAY V MOTOR FAN 11 10 24 13 12 1 2 B 4 5 6 B REACTOR 8 23 22 3 OR 7 SENSOR TEMP DISCHARGE SENSOR TEMP GAS PIPE SENSOR TEMP GAS PIPE SENSOR TEMP DEFROST 18 19 A B 20 B A GR P R W W W R BL...

Page 20: ...ve Cause 1 2 attention high temp OHR compressor 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 s...

Page 21: ...oid 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 s...

Page 22: ...DOOR 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 50 55 6 5 7 0 7 5 AIR TEMPERATURE OUTDOOR HUMIDITY50 C AIR TEMPERATURE INDOOR 20 C C 6 0 MPa CURRENT TEMPERATUR...

Page 23: ...NAL 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 I...

Page 24: ...23 ELECTRIC CIRCUIT DIAGRAM TAG2 62HI...

Page 25: ...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...

Page 26: ...2 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...

Page 27: ...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...

Page 28: ...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...

Page 29: ...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...

Page 30: ...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...

Page 31: ...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 5...

Page 32: ...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...

Page 33: ...44 8 0 16 18 0 140 9 1 25 21 0 1350 9 0 17 19 0 134 1 1 30 20 0 1263 8 0 18 20 0 127 6 1 35 19 0 1182 9 0 19 21 0 121 4 1 40 18 0 1107 8 0 20 22 0 115 6 1 45 17 0 1037 9 0 22 23 0 110 1 1 50 16 0 973...

Page 34: ...3 35 99 0 5 9 4 45 60 0 22 3 3 39 100 0 5 7 4 46 61 0 21 5 3 43 101 0 5 5 4 48 62 0 20 7 3 47 102 0 5 3 4 49 63 0 19 9 3 51 103 0 5 2 4 50 64 0 19 2 3 55 104 0 5 0 4 52 65 0 18 5 3 59 105 0 4 9 4 53...

Page 35: ...1 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...

Page 36: ...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...

Page 37: ...ISSUED RA 65 1 OCT 2008...

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