Toyotomi TAG-A28FWIS Service Manual Download

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SERVICE MANUAL

ROOM AIR CONDITIONER

TAN / TAG-A28FWIS
TAN / TAG-A32FWIS

CONTENTS

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

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

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

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

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

PERFORMANCE CURVE DIAGRAM .................................. 19

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

EXPLODED VIEW (INDOOR UNIT) .................................... 24

EXPLODED VIEW (OUTDOOR UNIT) ................................ 25

PARTS LIST (INDOOR UNIT) .............................................. 27

PARTS LIST (OUTDOOR UNIT) .......................................... 28

Summary of Contents for TAG-A28FWIS

Page 1: ...TS SPECIFICATION 1 FUNCTIONS 5 SERVICE FUNCTION EXPLANATION 7 OPERATION DETAILS 8 TROUBLESHOOTING GUIDE 13 PERFORMANCE CURVE DIAGRAM 19 ELECTRIC CIRCUIT DIAGRAM 22 EXPLODED VIEW INDOOR UNIT 24 EXPLODED VIEW OUTDOOR UNIT 25 PARTS LIST INDOOR UNIT 27 PARTS LIST OUTDOOR UNIT 28 ...

Page 2: ...ooling 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 Power Cord m m core wire 1 mm mm Dimensions mm mm kg Net Weight 3 2 Half Union 1 4 Half Union 3 8 L liquid side 1 4 G gas side 3 8 2 way valve 1 4 3 way valve 3 8 L liquid side 1 4 G gas side 3 8 TAN A28FWIS TAG A28FWI...

Page 3: ...trol Device g oz Refrigerant R410A 860 30 3 Thermostat Air Filter Parts Provided Electronic Control Type Motor Type Rated Output Mold proof Specifications are subject to change without notice 1 Mounting plate 2 Remote controller 3 Battery 2 pcs 4 Remote controller holder 5 Screw cap 2 pcs 6 Drain elbow 7 Vibration proof rubber 4 pcs 8 Air clean filter 2 pcs Bamboo Charcoal Photo catalytic anti odo...

Page 4: ...ing 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 Power Cord m m core wire 1 mm mm Dimensions mm mm kg Net Weight 3 2 Half Union 1 4 Half Union 3 8 L liquid side 1 4 G gas side 3 8 2 way valve 1 4 3 way valve 3 8 L liquid side 1 4 G gas side 3 8 TAN A32FWIS TAG A32FWIS 1...

Page 5: ...mostat Air Filter Electronic Control Type Motor Type Rated Output Mold proof Specifications are subject to change without notice 1 Mounting plate 2 Remote controller 3 Battery 2 pcs 4 Remote controller holder 5 Screw cap 2 pcs 6 Drain elbow 7 Vibration proof rubber 4 pcs 8 Air clean filter 2 pcs Bamboo Charcoal Photo catalytic anti odor filters Timer Real time dual ON OFF 7 hour OFF Parts Provided...

Page 6: ... 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 temperature cont...

Page 7: ...ow direction control Automatic airflow direction control The louver automatically swings up and down cooling dry horizontal and 35 downward The louver is set at 70 downward during heating operation Auto recovery function If there is any power failure during operation operation status before power failure is memorized 3 4 minutes after power recovery the unit restarts automatically with previous op...

Page 8: ...re than 10 seconds it doesn t work After 30 minutes test operation ends automatically SERVICE FUNCTION EXPLANATION J1 Soldering J1 Temperature ABOVE 23 C BELOW 23 C COOLING HEATING 26 C 23 C CONTINUOUS CONTINUOUS AUTOMATIC AUTOMATIC Operation Designated mode temperature Timer mode Air flow HOW TO RELEASE EMERGENCY AND TEST OPERATION In case of releasing during those operations you can either push ...

Page 9: ... 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 switch is pressed once ...

Page 10: ...ture TAN TAG A28FWIS TAN TAG A32FWIS 1 40 60 2 56Hz 72Hz 3 40Hz 40Hz COOLING MODE OPERATION The compressor will stop when operational frequency reached the minimum frequency and that condition has been kept for 6 minutes and the room temperature becomes 1 C lower than it was set The compressor will re start when room temperature becomes 0 C higher than it was set The operational frequency will be ...

Page 11: ...nutes Compressor restarts when room temperature rises to the designated temperature The operating frequency of the compressor is determined according to the room temperature see the diagram below Indoor fan Selected speed Selected speed Super low Super low OFF 3min 1 C MAX MAX MIN MIN 0 C 0 Hz Frequency of compressor Designated temperature Room temperature ...

Page 12: ...ON The compressor will stop when operational frequency reached the minimum frequency and that condition has been kept for 6 minutes and the room temperature becomes 4 7 C higher than it was set The compressor will re start when room temperature becomes 3 7 C higher than it was set The operational frequency will be set every 1 seconds of operation The operational frequency setting will be calculate...

Page 13: ... the 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 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 two minutes Defrosting operating is cal...

Page 14: ...t the units to earthing works Be sure to check 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 inst...

Page 15: ...N FAN MOTOR TAN UNREASONABLE OPERATION UNDER OVERLOAD MOMENTARY STOP OF POWER IN CASE OF LIGHTNING DROP OF POWER VOLTAGE TAG PCB MAIN COMPRESSOR LOCKING ACCIDENT OF PCB POWER MODULE POWER SUPPLY REMOTE CONTROL TAN FUSE 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 3A 12A FUSING ON THE TAG PCB MAIN GAS LEAK...

Page 16: ...Power module Measure the resistance between U V V W W U V U W V U W respectively If all the figures show infinite more than hundreds of kΩ and similar one another 30 then the module is normal condition if not it is defective Take off the connector 2 on the TAG PCB main and check the continuity Check the TAN PCB main Measure the voltage between the connector pins in the back of TAN PCB main TAG PCB...

Page 17: ...ent of compressor accident of PCB Power module see fig 6 the resistance of TAG PCB main accident of TAG PCB main normal normal NO NO YES YES accident of PCB Power module 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 piping excess gas Flow Chart ...

Page 18: ...ost Sensor temp heat exchanger table 3 Sensor 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 indicati...

Page 19: ... G Y W W R BL OR MODULE P C B P U 9 8 7 V 6 W 5 4 3 N COMPRESSOR R B W U V W 2 1 SENSOR TEMP DEFROST B GR MOTOR FAN 7 4 5 6 25 18 19 B P 13 11 10 R B W 3 AC P AC GR R B BR 1 2 BR G Y POWER SOURCE EARTH TERMINAL FUSE T3 15A S PCB CONTROLLER TERMINAL BLOCK OUTDOOR UNIT BL W 3 BL BL R R TRANSFORMER BL R Y B W MOTOR FAN PCB RECEIVER DISPLAY MANUAL SWITCH BL BL SENSOR TEMP ROOM B B SENSOR TEMP HEAT EXC...

Page 20: ...recharge the refrigerant 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 c...

Page 21: ...Pa 2 0 3 0 2 5 4 0 3 5 5 0 4 5 CURRENT TEMPERATURE BLOW OUT AIR TEMPERATURE INDOOR OUTDOOR HUMIDITY60 0 5 10 15 20 25 30 20 25 30 35 C 5 10 15 20 AIR TEMPERATURE OUTDOOR HUMIDITY50 C AIR TEMPERATURE INDOOR 20 C 0 0 0 5 1 0 1 5 35 40 45 C MPa CURRENT TEMPERATURE BLOW OUT SERVICE PORT PRESSURE 3 5 3 0 4 0 4 5 5 0 A ...

Page 22: ...a 2 5 2 0 3 5 4 5 4 0 3 0 5 0 CURRENT TEMPERATURE BLOW OUT AIR TEMPERATURE INDOOR OUTDOOR HUMIDITY60 0 5 10 15 20 25 30 20 25 30 35 C 5 10 15 20 AIR TEMPERATURE OUTDOOR HUMIDITY50 C AIR TEMPERATURE INDOOR 20 C 0 0 0 5 1 0 1 5 30 35 45 40 C MPa CURRENT TEMPERATURE BLOW OUT SERVICE PORT PRESSURE 3 5 3 0 4 0 4 5 5 0 A ...

Page 23: ...RMINAL BLOCK TO OUTDOOR UNIT 1 2 3 1 2 3 1 2 3 4 WHITE RED BLACK WHITE RED GREEN YELLOW CN4 CN7 RL1TAB2 RL1TAB1 L1 C3 PC2B C2 C1 ZE1 CF1 RL1A RL2A D1 PC1B PC3A R2 C11 R21 D2 250V T3 15A R3 AC CORD PC2A PC1A RL2B RL1B 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 CN...

Page 24: ... 23 ELECTRIC CIRCUIT DIAGRAM TAG A28FWIS TAG A32FWIS ...

Page 25: ... 24 EXPLODED VIEW INDOOR UNIT TAN A28FWIS TAN A32FWIS 22 23 25 28 29 26 27 31 11 13 1 16 12 4 5 15 9 27 14 20 2 3 8 7 19 30 24 21 18 17 10 21 6 ...

Page 26: ... 25 EXPLODED VIEW OUTDOOR UNIT TAG A28FWIS 2 1 20 28 10 15 12 24 19 18 11 16 16 16 22 9 26 7 23 6 5 13 14 8 4 21 17 25 3 27 4 ...

Page 27: ... 26 EXPLODED VIEW OUTDOOR UNIT TAG A32FWIS 2 1 10 12 24 19 18 11 3 16 16 16 22 9 26 7 23 6 5 13 8 4 21 17 25 27 4 20 15 14 28 ...

Page 28: ...0 0 2 2 0 2 L 4 1 N A F L A I T N E G N A T 0 0 8 2 0 1 K 0 0 2 0 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 6 1 Y S S A N A P N I A R D 0 3 6 2 1 4 0 2 7 1 R E V U O L R O T O M 0 7 2 1 2 6 1 5 0 3 0 1 2 6 1 5 0 1 0 1 2 6 1 5 0 7 3 7 2 0 0 3 0 4 0 1 2 6 1 5 8 1 N W O D P U R E V U O L 0 5 4 4 4 0 0 2 9 1 E S O H N I A R D 0 0 0 0 2 6 1 5 0 2 Y S S A R O T A R O P A V E ...

Page 29: ...F A B 0 6 8 1 2 4 0 2 4 1 1 L A I R E T A M F O O R P D N U O S 0 7 8 5 2 4 0 2 5 1 2 L A I R E T A M F O O R P D N U O S 0 8 8 5 2 4 0 2 6 1 p m o c R E B B U R F O O R P N O I T A R B I V 0 9 7 7 5 0 0 3 7 1 D R O C E R U T X I F 0 9 1 8 3 0 0 2 8 1 Y S S A E V L A V Y A W 4 0 9 2 2 2 4 0 2 9 1 E V L A V Y A W 4 L I O C 0 2 3 2 0 2 1 5 0 2 3 L A I R E T A M F O O R P D N U O S 0 9 8 5 2 4 0 2 1 ...

Page 30: ...ISSUED MAR 2005 RA 37 1 Printed in Japan ...

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