Table of Contents
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SERVICE MANUAL
ROOM AIR CONDITIONER
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) ..........................................
TA 3-A80GWI
TA 3-A90GWI
CONTENTS
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Summary of Contents for Toyotomi TA3-A80GWI
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Page 1: Table Of Contents
SERVICE MANUAL ROOM AIR CONDITIONER TA 3-A80GWI TA 3-A90GWI 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) ........ -
Page 2: Specification
SPECIFICATION TA 3-A80GWI INDOOR UNIT TAN3-A80GWI TAN3-A80GWI TAN3-A80GWI OUTDOOR UNIT : TAG3-A80GWI TA 3-A90GWI INDOOR UNIT TAN3-A90GWI (9K) TAN3-A90GWI (9K) TAN3-A90GWI (12K) OUTDOOR UNIT : TAG3-A90GWI – 1 –... - Page 3 SPECIFICATION Model 3-A80GWI Frequency Power supply Single/230 Phase/Volts 3 Units 2 Units 1 Unit Combinations 9K+9K+9K 9K+9K Total Capacity 7,030 5,560 2,780 (min - max) (2,050 7,380) (1,600 6,000) (1,100 3,200) Unit 1 Unit 2 Unit 3 Unit 1 Unit 2 Cooling Capacity Each unit 2343...
- Page 4 SPECIFICATION Model 3-A90GWI Frequency Power supply Single/230 Phase/Volts 3 Units 2 Units 2 Units 1 Unit 1 Unit Combinations 9K+9K+12K 9K+9K 9K+12K 7,030 5,560 6,350 2,780 3,570 Total Capacity (2,050 7,380) (1,600 6,000) (1,700 6,500) (1,100 3,200) (1,200 3,800) (min - max) Unit 1 Unit 2 Unit 3...
- Page 5 SPECIFICATION INDOOR OUTDOOR Unit TAN3-A80GWI TAG3-A80GWI TAN3-A90GWI (12K) TAN3-A90GWI (9K) TAG3-A90GWI Type Cross-flow Fan Propeller Fan Air Circulation Motor Type Induction (4-pole) Induction(6-pole) Rated Output Plate fin configuration,forced draft Heat Exchanger 18.1FPI 19.5FPI 18.1FPI – Expansion Valve Refrigerant Control Device 1710 (60.3) Refrigerant (R410A) g (oz)
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Page 6: Functions
FUNCTIONS REMOTE-CONTROL TRANSMITTER INDOOR UNIT Sensing the room temperature Room temperature sensor (thermistor) ON/OFF Time delay safety control Operation mode selection Restarting is inhibited for approximately 3 minutes. COOL Indoor fan speed control HEAT AUTOMATIC High, Med, Low CIRCULATION Operation indication lamps (LED) Air flow selection ELECT (GREEN or RED) -
Page 7: Outdoor Unit
FUNCTIONS OUTDOOR UNIT Hot-start control (heating) The indoor fan stops until the evaporator piping temperature will be reached. Overload protection Anti-freezing control for the evaporator 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 Compressor overload protector... -
Page 8: Service Function Explanation
SERVICE FUNCTION EXPLANATION EMERGENCY AND TEST OPERATION Emergency Operation • Use this operation only when the remote controller is out of order or lost. Beep • When the emergency operation switch is pressed, beep starts once, which means the start of this operation. •... -
Page 9: Operation Details
OPERATION DETAILS TIMER OPERATION ON Timer operation Press the ON/OFF switch. Right after replacing new batteries, set the present time in advance. • Set the “ON Time” : Press the “TIME ADJ” button twice. • Adjust the time with the “ ”... - Page 10 OPERATION DETAILS TIME DELAY SAFETY CONTROL FUNCTION - FOR PROTECTION OF COMPRESSOR Compressor will not restart, in any operation modes, for 3 minutes after its stop. • Compressor does not stop during the first 2 minutes of its operation even if the room temperature reaches to •...
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Page 11: Heating Mode Operation
OPERATION DETAILS 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 •... - Page 12 OPERATION DETAILS DEFROSTING OPERATION(FOR OUTDOOR UNIT HEAT EXCHANGER) Defrosting operation is controlled by the temperature of outdoor heat exchanger sensed by the thermistor and • the timer switch. Defrosting operation starts when the both of the following conditions are met at the same time. •...
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Page 13: Refrigeration Cycle Diagram
OPERATION DETAILS REFRIGERATION CYCLE DIAGRAM INDOOR UNIT OUTDOOR UNIT ROOM A1 REFRIGERANT PIPING EXPANSION STRAINAR 2-WAY VALVE VALVE EXPANSION STRAINAR VALVE REFRIGERANT PIPING EXPANSION STRAINAR VALVE HEAT EXCHANGER REFRIGERANT PIPING REFRIGERANT HEAT EXCHANGER PIPING ROOM A2 HEAT EXCHANGER 3-WAY VALVE REFRIGERANT PIPING 4-WAY VALVE... -
Page 14: Troubleshooting Guide
TROUBLESHOOTING GUIDE FOR YOUR SAFETY USE TAN : indoor unit TAG : outdoor unit For the safety and proper use and handling of the product, please read and follow the instructions carefully. The meaning of the marks below are as follows. Danger Improper use will cause the significant risk of death or serious injury of the user. - Page 15 TROUBLESHOOTING GUIDE INDICATION LAMP Micro computer self-diagnose the points of the troubles and inform it by the combination of the status (On, Flush, or Off) of three lamp indicators on the front panel of the indoor unit. INDICATION LAMP ALARM METHOD OF CHECK APPEARANCE, PORTION, PARTS POWER...
- Page 16 TROUBLESHOOTING GUIDE INDICATION LAMP check the point of leakage and measure the pressure of GAS LEAKAGE compressor during fixed operation (emergency and test operation) SENSOR, TEMP. ROOM check the resistance by tester [see table 1] not cool down SENSOR, TEMP. HEAT EXCHANGER not warm up check the resistance by tester [see table 2] check the voltage between blue and yellow in connector [see fig.
- Page 17 TROUBLESHOOTING GUIDE ELECTRIC CHARACTER table 2 Sensor, temp. defrost table 1 Sensor, temp. room table 3 Sensor, temp. discharge Sensor, temp. outdoor Sensor, temp. heat exchanger Temp. ( ) Resistance (k Temp. ( ) Resistance (k Temp. ( ) Resistance (k 1,130 table 4 Sensor, temp.
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Page 18: Wiring Diagram
TROUBLESHOOTING GUIDE WIRING DIAGRAM TAN3-A80GWI TAN3-A90GWI(9K) TAN3-A90GWI(12K) TAG3-A80GWI TAG3-A90GWI CMTI : INDOOR UNIT : BLACK : PINK CMTE: OUTDOOR UNIT : BLUE : RED : BROWN : W HITE : GREEN : YELLOW : ORANGE : GRAY – 17 –... -
Page 19: Performance Curve Diagram
PERFORMANCE CURVE DIAGRAM REMARKS FOR GAS PRESSURE CHECK AND CHARGING Gas pressure is to be measured at TEST OPERATION for cooling or EMERGENCY OPERATION for heating. (It is operated for 30 minutes at fixed frequency.) If you find substantial diffrence in performance compared with PERFORMANCE CURVE as shown next, recharge the refrigerant. - Page 20 PERFORMANCE CURVE DIAGRAM COOLING In case one indoor unit is operating, TAN3-A80GWI or TAN3-A90GWI(9K) CURRENT (°C) TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE (°C) HUMIDITY60% AIR TEMPERATURE INDOOR-OUTDOOR HEATING In case one indoor unit is operating, TAN3-A80GWI or TAN3-A90GWI(9K) AIR-TEMPERATURE INDOOR 20°C CURRENT...
- Page 21 PERFORMANCE CURVE DIAGRAM COOLING In case one indoor unit is operating, TAN3-A90GWI(12K) CURRENT (°C) TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE (°C) HUMIDITY60% AIR TEMPERATURE INDOOR-OUTDOOR HEATING In case one indoor unit is operating, TAN3-A90GWI(12K) AIR-TEMPERATURE INDOOR 20°C CURRENT (°C) TEMPERATURE BLOW OUT (MPa)
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Page 22: Electric Circuit Diagram
ELECTRIC CIRCUIT DIAGRAM TAN3-A80GWI TAN3-A90GWI(9K) TAN3-A90GWI(12K) – 21 –... - Page 23 ELECTRIC CIRCUIT DIAGRAM TAG3-A80GWI TAG3-A90GWI – 22 –...
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Page 24: Thermistor Resistance Chart
THERMISTOR RESISTANCE CHART SENSOR, ROOM TEMPERATURE TAN SENSOR, ROOM TEMPERATURE B CONSTANT 4150 3 • • • • • • • • • • • • • • • • • • • • • • • • °C STANDARD TEMPERATURE 25.0 •... - Page 25 THERMISTOR RESISTANCE CHART TAN SENSOR, ROOM TEMPERATURE B CONSTANT 4150 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C • • • • • • • • • • • • • STANDARD RESISTANCE •...
- Page 26 THERMISTOR RESISTANCE CHART SENSOR, HEAT EXCHANGER TEMPERATURE TAN SENSOR, HEAT EXCHANGER TEMPERATURE B CONSTANT 3700 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C •...
- Page 27 THERMISTOR RESISTANCE CHART TAN SENSOR, HEAT EXCHANGER TEMPERATURE B CONSTANT 3700 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C • • • • • • • • • • • • • STANDARD RESISTANCE •...
- Page 28 THERMISTOR RESISTANCE CHART SENSOR, DEFROST & OUTDOOR TEMPERATURE TAG SENSOR, DEFROST&OUTDOOR TEMPERATURE B CONSTANT 3700 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C •...
- Page 29 THERMISTOR RESISTANCE CHART TAG SENSOR, DEFROST&OUTDOOR TEMPERATURE B CONSTANT 3700 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C • • • • • • • • • • • • • STANDARD RESISTANCE •...
- Page 30 THERMISTOR RESISTANCE CHART SENSOR, DISCHARGE TEMPERATURE TAG SENSOR, DISCHARGE TEMPERATURE B CONSTANT 4250 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 80.0°C •...
- Page 31 THERMISTOR RESISTANCE CHART TAG SENSOR, DISCHARGE TEMPERATURE B CONSTANT 4250 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 80.0°C • • • • • • • • • • • • • STANDARD RESISTANCE •...
- Page 32 THERMISTOR RESISTANCE CHART SENSOR, GAS PIPE A & B TEMPERATURE TAG SENSOR, GAS PIPE & LIQUID PIPE TEMPERATURE B CONSTANT 4100 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C •...
- Page 33 THERMISTOR RESISTANCE CHART TAG SENSOR, GAS PIPE & LIQUID PIPE TEMPERATURE B CONSTANT 4100 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C •...
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Page 34: Exploded View (Indoor Unit)
EXPLODED VIEW ( INDOOR UNIT ) TAN3-A80GWI TAN3-A90GWI(9K) – 57 –... - Page 35 EXPLODED VIEW ( INDOOR UNIT ) TAN3-A90GWI(12K) – 58 –...
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Page 36: Exploded View (Outdoor Unit)
EXPLODED VIEW ( OUTDOOR UNIT ) TAG3-A80GWI accessories TAG3-A90GWI – 59 –... -
Page 37: Parts List (Indoor Unit)
PARTS LIST ( INDOOR UNIT ) TAN3-A80GWI PARTS NAME TAN3-A90GWI(12K) TAN3-A90GWI(9K) CONTROLLER ASSY. 20474010 20474020 PCB (MAIN) 30076110 30076120 PCB (RECEIVER & DISPLAY) 30055510 SENSOR 30013610 (TEMP,ROOM & HEAT EXCHAGER) TRANSFORMER 30070920 TERMINAL BLOCK 51620840 FRONT PANEL ASSY. 20469811 INLET GRILLE 20469821 REAR CASE ASSY. -
Page 38: Parts List (Outdoor Unit)
PARTS LIST ( OUTDOOR UNIT ) TAG3-A80GWI PARTS NAME TAG3-A90GWI 20465390 TOP PANEL ASSY. 20465380 FRONT PANEL ASSY. 20450430 BACK PANEL 20450450 BOTTOM PANEL ASSY. 20046420 WIRING LID 30071580 OUTLET GRILLE 52630190 PROPELLER FAN 30067530 MOTOR 20035910 BRACKET, MOTOR 30067610 COMPRESSOR 30061700 VIBRATION PROOF RUBBER (comp.) - Page 39 RA-47-[1] ISSUED MAY.2006 Printed in Japan...