Toyotomi TAG-A20EW Service Manual Download Page 39 | Manualshive

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EXPLODED VIEW (INDOOR UNIT)

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Summary of Contents for TAG-A20EW

Page 1: ...OOTING GUIDE 19 PERFORMANCE CURVE DIAGRAM 27 SCHEMATIC DIAGRAM AND THERMISTOR RESISTANCE CHART ELECTRIC CIRCUIT DIAGRAM EXPLODED VIEW INDOOR UNIT EXPLODED VIEW OUTDOOR UNIT PARTS LIST INDOOR UNIT PART...

Page 2: ...Inner diameter Length Cooling 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 Width Depth Number of core...

Page 3: ...aft Refrigerant Control Device g oz Refrigerant R410A 700 24 7 OHR Thermostat Protection Device Air Filter Parts Provided Electronic Control Type Motor Type Rated Output Mold proof Specifications are...

Page 4: ...er diameter Length Cooling 8 0 820 840 3 6 3 7 7 0 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 Width...

Page 5: ...Refrigerant Control Device g oz Refrigerant R410A 830 29 3 OLR INNER Thermostat Protection Device Air Filter Parts Provided Electronic Control Type Motor Type Rated Output Mold proof Specifications ar...

Page 6: ...diameter Length Cooling 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 Width Depth Number of core wire P...

Page 7: ...Refrigerant Control Device g oz Refrigerant R410A 1 100 38 8 OLR INNER Thermostat Protection Device Air Filter Parts Provided Electronic Control Type Motor Type Rated Output Mold proof Specifications...

Page 8: ...sor thermistor Time delay safety control Restarting is inhibited for approximately 3 minutes Indoor fan speed control High Med Low Operation indication lamps LED GREEN Light up in operation YELLOW Tim...

Page 9: ...after power recovery the unit restarts automatically with previous operation status memorized 3 4 minutes is protective time for compressor Attention Because of Auto recovery function if shutting off...

Page 10: ...is 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 R7 on the P...

Page 11: ...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...

Page 12: ...ERATION 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 13: ...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 14: ...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 15: ...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 16: ...W T1 57 T2 54 T2 OFF T1 10sec TAN TAG A32EW 67 64 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...

Page 17: ...6 OPERATION DETAILS Method of overload control by checking the operating current ON ON ON OFF OUTDOOR FAN CURRENT I1 3 6A 3 7A 4 9A I2 3 2A 3 3A 4 5A I2 OFF I1 TAN TAG A20EW TAN TAG A28EW TAN TAG A32E...

Page 18: ...peration starts when a 50 minutes pass after the start of heating operation or after the completion of previous defrosting operation and while compressor is running the temperature of indoor heat exch...

Page 19: ...IGERANT PIPING REFRIGERANT PIPING 2 WAY VALVE 3 WAY VALVE COOLING MODE HEATING MODE 4 WAY VALVE STRAINER CAPILLARY TUBE CAPILLARY ACCUMULATOR COMPRESSOR REFRIGERANT FLOW OUTDOOR UNIT HEAT EXCHANGER CH...

Page 20: ...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 21: ...n by hands and check noise check by eyes around the pipes with any obstacles level louver position check the pressure of gas check performance curve diagram check the level of TAN check the drain pipe...

Page 22: ...ro and does not move back to infinity capacitor for TAG fan motor should be replaced NOTE 2 other than described above leak of gas or cut off of overheat prevention relay check the wiring order NO ROT...

Page 23: ...above shown compressor is defective heating operation only Check the TAN PCB main controller Measure the voltage between the connector pins in the back of PCB main controller capacitor clump meter ter...

Page 24: ...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 Pull out PCB main co...

Page 25: ...RL1 RL2 PC1 DQ32 DQ33 PC2 5V DC RECTIFIER TRANS FORMER 12V LOUVER CONTROL CHANGE IC31 RESET AUTO RECOVERY OFF CHAGE PCB RECEIVER DISPLAY REMOTE CONTROLLER A B MODE CHANGE IC3 EEPROM MANUAL SW EXTERNAL...

Page 26: ...H TERMINAL TERMINAL BLOCK 1 4 2 3 B BL BR G BLACK BLUE BROWN GREEN TAN A20EW TAN A28EW TAN A32EW P MOTOR LOUVER SENSOR TEMP HEAT EXCHANGER B B SENSOR TEMP ROOM BL MANUAL SWITCH PCB RECEIVER DISPLAY MO...

Page 27: ...ressor YES After repair fill up prescribed gas attention high temp Change OHR 1 2 3 TAN TAG A20EW NO YES NO BLACK RED WHITE CHECK CONNECTION BETWEEN WHITE BLACK TAN TAG A28EW TAN TAG A32EW INNER PROTE...

Page 28: ...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 29: ...5 CURRENT TEMPERATURE BLOW OUT AIR TEMPERATURE INDOOR OUTDOOR HUMIDITY60 0 4 0 6 0 8 1 0 1 2 1 4 SERVICE PORT PRESSURE A MPa 5 10 15 20 AIR TEMPERATURE OUTDOOR HUMIDITY50 AIR TEMPERATURE INDOOR 20 2...

Page 30: ...UT AIR TEMPERATURE INDOOR OUTDOOR HUMIDITY60 0 4 0 6 0 8 1 0 1 2 1 4 SERVICE PORT PRESSURE MPa 2 5 3 0 3 5 4 0 4 5 5 0 5 5 A 5 10 15 20 25 AIR TEMPERATURE OUTDOOR HUMIDITY50 AIR TEMPERATURE INDOOR 20...

Page 31: ...ERATURE BLOW OUT AIR TEMPERATURE INDOOR OUTDOOR HUMIDITY60 0 4 0 6 0 8 1 0 1 2 1 4 SERVICE PORT PRESSURE MPa A 5 10 15 20 2 0 2 5 3 0 30 35 40 45 50 55 60 4 5 5 5 6 5 5 6 AIR TEMPERATURE OUTDOOR HUMID...

Page 32: ...39 SENSOR ROOM TEMPERATURE THERMISTOR RESISTANCE CHART TAN SENSOR ROOM TEMPERATURE B CONSTANT 4200 STANDARD TEMPERATURE 25 0 STANDARD RESISTANCE 23k...

Page 33: ...40 THERMISTOR RESISTANCE CHART TAN SENSOR ROOM TEMPERATURE B CONSTANT 4200 STANDARD TEMPERATURE 25 0 STANDARD RESISTANCE 23k...

Page 34: ...9 5 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...

Page 35: ...1 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 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...

Page 36: ...P S RL1B CN11 TAB 1 2 3 4 TERMINAL BLOCK TERMINAL BLOCK WHITE BLACK RED GREEN YELLOW BROWN WHITE BLACK RED BROWN PC1A RL1A RL1 TAB1 RL2A 1 CN8 CN6 CN7 CN5 CN1 CN3 CN1 TRANSFORMER MANUAL SW COMPRESSOR...

Page 37: ...B PC1B PC2B P S RL1B CN11 TAB 1 2 3 4 TERMINAL BLOCK TERMINAL BLOCK WHITE BLACK RED GREEN YELLOW BROWN WHITE BLACK RED BROWN PC1A RL1A RL1 TAB1 RL2A 1 CN8 CN6 CN7 CN5 CN1 CN3 CN1 TRANSFORMER MANUAL SW...

Page 38: ...49 EXPLODED VIEW INDOOR UNIT TAN A20EW TAN A28EW 28 26 29 5 19 17 18 24 15 13 11 8 6 2 3 1 12 16 accessories 4 21 10 9 20 23 22 30 25 27 14 7...

Page 39: ...50 EXPLODED VIEW INDOOR UNIT TAN A32EW 5 4 15 11 13 14 22 20 19 17 18 24 30 7 8 6 2 3 1 12 16 27 25 26 28 accessories 21 10 9 29 23...

Page 40: ...51 TAG A20EW EXPLODED VIEW OUTDOOR UNIT 2 5 1 6 7 11 13 9 21 19 18 20 15 16 12 14 3 4 8 17 22 23 10...

Page 41: ...52 EXPLODED VIEW OUTDOOR UNIT TAG A28EW 16 1 5 6 15 11 8 10 19 3 14 13 18 9 7 12 20 4 2 4 21 22 17...

Page 42: ...53 TAG A32EW 16 1 5 6 15 11 8 10 19 3 14 13 18 9 7 12 20 4 2 4 21 22 17...

Page 43: ...0 0 5 2 0 1 K 0 0 5 2 0 1 K 0 0 5 2 0 1 K 5 1 Y S S A G N I R A E B 0 0 0 2 4 0 0 1 0 0 C R 0 0 0 2 4 0 0 1 0 0 C R 0 0 0 2 4 0 0 1 0 0 C R 6 1 Y S S A N A P N I A R D 0 8 1 5 1 0 0 2 0 8 1 5 1 0 0 2...

Page 44: ...0 0 4 6 0 0 A 1 1 R O S S E R P M O C R O T I C A P A C 0 0 5 7 3 1 E 2 1 R H O Y A L E R D A O L R E V O 0 5 4 6 0 0 A 3 1 K C O L B L A N I M R E T 0 0 9 7 1 1 E 4 1 Y S S A R O S N E D N O C 0 1 2...

Page 45: ...M O C R O T I C A P A C 0 0 1 8 0 1 E 1 1 K C O L B L A N I M R E T 0 0 9 7 1 1 E 2 1 Y S S A R O S N E D N O C 0 0 0 1 6 0 0 7 6 1 E A 3 1 8 3 E C I V R E S E V L A V 0 0 1 6 0 4 K 4 1 4 1 E C I V R...

Page 46: ...O C R O T I C A P A C 0 0 0 8 1 1 E 0 0 1 3 3 1 E 1 1 K C O L B L A N I M R E T 0 0 9 7 1 1 E 2 1 Y S S A R O S N E D N O C 0 6 6 0 1 0 0 2 3 1 8 3 E C I V R E S E V L A V 0 0 1 6 0 4 K 4 1 4 1 E C I...

Page 47: ...ISSUED JUL 2004 RA 20 1 Printed in Japan...

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