Toyotomi TAN/TAG-A28EWI Service Manual
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Toyotomi TAN/TAG-A28EWI Service Manual

Toyotomi TAN/TAG-A28EWI Service Manual

Room air conditioner
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All manuals and user guides at all-guides.com
SERVICE MANUAL
ROOM AIR CONDITIONER
TAN/TAG-A28EWI
TAN/TAG-A32EWI
TAN/TAG-A53EWI
SPECIFICATION .................................................................... 1
FUNCTIONS .......................................................................... 7
SERVICE FUNCTION EXPLANATION .................................. 9
OPERATION DETAILS ......................................................... 10
TROUBLESHOOTING GUIDE ............................................. 16
PERFORMANCE CURVE DIAGRAM .................................. 27
ELECTRIC CIRCUIT DIAGRAM .......................................... 31
EXPLODED VIEW (INDOOR UNIT) .................................... 35
EXPLODED VIEW (OUTDOOR UNIT) ................................ 37
PARTS LIST (INDOOR UNIT) .............................................. 39
PARTS LIST (OUTDOOR UNIT) .......................................... 41
CONTENTS

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Summary of Contents for Toyotomi TAN/TAG-A28EWI

  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com SERVICE MANUAL ROOM AIR CONDITIONER TAN/TAG-A28EWI TAN/TAG-A32EWI TAN/TAG-A53EWI CONTENTS SPECIFICATION ..............1 FUNCTIONS ................7 SERVICE FUNCTION EXPLANATION ........9 OPERATION DETAILS ............10 TROUBLESHOOTING GUIDE ..........16 PERFORMANCE CURVE DIAGRAM ........27 ELECTRIC CIRCUIT DIAGRAM ..........

  • Page 2: Specification

    All manuals and user guides at all-guides.com SPECIFICATION INDOOR OUTDOOR Unit TAN-A28EWI TAG-A28EWI 10,000(2,700-12,000) Cooling Capacity BTU/h – Heating Capacity BTU/h 13,200(2,400-18,000) – Moisture Removal – phase Single Power source SIDE VIEW TOP VIEW OUTLET Airflow Method INTAKE Cooling ; Air circulation (at High) –...
  • Page 3 All manuals and user guides at all-guides.com SPECIFICATION INDOOR OUTDOOR Unit TAN-A28EWI TAG-A28EWI Type Cross-flow Fan Propeller Fan Air Circulation Motor Type DC brushless(8-pole) DC brushless (8-pole) Rated Output Plate fin configuration,forced draft Heat Exchanger 21.2FPI 18.1 FPI Expansion Valve Refrigerant Control Device –...
  • Page 4 All manuals and user guides at all-guides.com SPECIFICATION INDOOR OUTDOOR Unit TAN-A32EWI TAG-A32EWI 12,500(2,900-14,100) Cooling Capacity BTU/h – Heating Capacity BTU/h 17,100(4,000-20,700) – Moisture Removal – phase Single Power source SIDE VIEW TOP VIEW OUTLET Airflow Method INTAKE Cooling ; Air circulation (at High) –...
  • Page 5 All manuals and user guides at all-guides.com SPECIFICATION INDOOR OUTDOOR Unit TAN-A32EWI TAG-A32EWI Type Cross-flow Fan Propeller Fan Air Circulation Motor Type DC brushless(8-pole) DC brushless (8-pole) Rated Output Plate fin configuration,forced draft Heat Exchanger 21.2FPI 18.1 FPI Expansion Valve Refrigerant Control Device –...
  • Page 6 All manuals and user guides at all-guides.com SPECIFICATION INDOOR OUTDOOR Unit TAN-A53EWI TAG-A53EWI 17,700(1,700-18,800) Cooling Capacity BTU/h – Heating Capacity BTU/h 23,800(1,700-33,400) – Moisture Removal – phase Single Power source SIDE VIEW TOP VIEW OUTLET Airflow Method INTAKE Cooling ; 14.0 Air circulation (at High) –...
  • Page 7 All manuals and user guides at all-guides.com SPECIFICATION INDOOR OUTDOOR Unit TAN-A53EWI TAG-A53EWI Type Cross-flow Fan Propeller Fan Air Circulation Motor Type DC brushless(8-pole) DC brushless (8-pole) Rated Output Plate fin configuration,forced draft Heat Exchanger 21.2FPI 18.1 FPI Expansion Valve Refrigerant Control Device –...

  • Page 8: Functions

    All manuals and user guides at all-guides.com FUNCTIONS REMOTE-CONTROL TRANSMITTER INDOOR UNIT Sensing the room temperature Room temperature sensor (thermistor) ON/OFF Time delay safety control Restarting is inhibited for approximately Operation mode selection 3 minutes. COOL Indoor fan speed control HEAT AUTOMATIC High, Med, Low...
  • Page 9 All manuals and user guides at all-guides.com FUNCTIONS OUTDOOR UNIT Hot-start control (heating) The indoor fan stops until the evaporator piping temperature will be reached. Anti-freezing control for the evaporator Compressor will be stopped when the evapolator’s piping temperature is below 2℃...

  • Page 10: Service Function Explanation

    All manuals and user guides at all-guides.com SERVICE FUNCTION EXPLANATION EMERGENCY AND TEST OPERATION Emergency Operation Beep Use this operation only when the remote controller is out of order or lost. • When the emergency operation switch is pressed, beep starts once, which •...

  • Page 11: Operation Details

    All manuals and user guides at all-guides.com 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. •...
  • Page 12 Room temperature Designated temperature 0˚C -1˚C ★2 ★2 Frequency of compressor MIN★3 MIN★3 ★1 ★2 ★3 TAN/TAG-A28EWI, TAN/TAG-A32EWI 90Hz 24Hz TAN/TAG-A53EWI 100Hz 10Hz – 11 –...
  • Page 13 All manuals and user guides at all-guides.com OPERATION DETAILS TAN/TAG-A28EWI, TAN/TAG-A32EWI DRY MODE OPERATION • Compressor stops when the room temperature fall to 0.3°C lower than the designated temperature continuously for 2 minutes. • Compressor restarts when room temperature rises to the designated temperature.
  • Page 14 All manuals and user guides at all-guides.com OPERATION DETAILS TAN/TAG-A53EWI DRY MODE OPERATION During dry mode operation, both motors (TAN,TAG) run proportionally according to the temperatures (indoor, • outdoor). The compressor runs continuously while unit is operating. (see the diagram below) •...
  • Page 15 15˚C Super Indoor fan Stop Designate Fan blow Low or Super low Designated Fan blow Room temperature Designated temperature +4.7 +3.7 ★1 ★1 Frequency of compressor MIN★2 MIN★2 ★1 ★2 TAN/TAG-A28EWI, TAN/TAG-A32EWI 110Hz 24Hz TAN/TAG-A53EWI 112Hz 10Hz – 14 –...
  • Page 16 12 minutes has passed since compressor turned ON. Defrosting starts Defrosting stop Temperature of outdoor heat exchanger 8˚C 2min. -2˚C 3min. 2min. 2min. Compressor 50Hz 67Hz ★ Outdoor fan 4way valve sec. 50sec. 50sec. 53sec. Max 12min. 53sec. ★ TAN/TAG-A28EWI, TAN/TAG-A32EWI 90Hz TAN/TAG-A53EWI 86Hz – 15 –...

  • Page 17: Troubleshooting Guide

    All manuals and user guides at all-guides.com 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. ●...
  • Page 18 All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE TAN/TAG-A28EWI, TAN/TAG-A32EWI 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.
  • Page 19 All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE TAN/TAG-A28EWI, TAN/TAG-A32EWI CHECK A FOLLOWING STEPS 〔fig. 1〕Continuity of current fuse on the PCB (TAG main) 0Ω FUSE 0Ω Take off the connectors 1 & 5 on the PCB (TAG main), and FUSE check the continuity.
  • Page 20 All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE TAN/TAG-A28EWI, TAN/TAG-A32EWI METHOD OF CHECK DC current detection and in case of irregular work of compressor Flow Chart check the damage of piping, excess gas [see fig.5] check the resistance of power module...
  • Page 21 All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE TAN/TAG-A28EWI, TAN/TAG-A32EWI ELECTRIC CHARACTER 〔table 2〕Sensor, temp. defrost 〔table 1〕Sensor, temp. room 〔table 3〕Sensor, temp. discharge Sensor, temp. outdoor Sensor, temp. heat exchanger Resistance (k Ω ) Temp. (℃) Resistance (k Ω ) Resistance (k Ω...
  • Page 22 All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE TAN/TAG-A28EWI, TAN/TAG-A32EWI WIRING DIAGRAM MOTOR TAN-A28EWI (FAN) TAN-A32EWI (RECEIVER &DISPLAY) SENSOR (TEMP.,HEAT EXCHANGER) SENSOR (TEMP.,ROOM) FUSE 250V (CONTROLLER) MOTOR T3.15A (LOUVER) MANUAL SWITCH POWER SOURCE TERMINAL 3 2 1 BLOCK EARTH ↓...
  • Page 23 All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE TAN/TAG-A53EWI 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...
  • Page 24 All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE TAN/TAG-A53EWI INDICATION LAMP check the point of leakage measure the pressure of compressor GAS LEAKAGE during fixed operation (operation frequency 58 Hz) SENSOR, TEMP. ROOM check the resistance by tester [see table 1] not cool down SENSOR, TEMP.
  • Page 25 All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE TAN/TAG-A53EWI CHECK A FOLLOWING STEPS 〔fig. 8〕Voltage of Power module 〔fig. 9〕Resistance of PCB(TAG main) PCB(TAG main) over 1kΩ PCB(TAG main) DC12V±2V DC22V±3V over 1kΩ ＋ − ＋ − − ＋ ＋...
  • Page 26 All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE TAN/TAG-A53EWI ELECTRIC CHARACTER 〔table 2〕Sensor, temp. defrost 〔table 1〕Sensor, temp. room 〔table 3〕Sensor, temp. discharge Sensor, temp. outdoor Sensor, temp. heat exchanger Resistance (k Ω ) Temp. (℃) Resistance (k Ω ) Resistance (k Ω...
  • Page 27 All manuals and user guides at all-guides.com TROUBLESHOOTING GUIDE TAN/TAG-A53EWI WIRING DIAGRAM TAN-A53EWI MOTOR (FAN) (RECEIVER &DISPLAY) SENSOR (TEMP.,HEAT EXCHANGER) SENSOR (TEMP.,ROOM) FUSE MOTOR 250V (CONTROLLER) (VERTICAL T3.15A LOUVER) MOTOR (HORIZONTAL LOUVER) MANUAL SWITCH 2 WAY VALVE POWER SOURCE TERMINAL 3 2 1 BLOCK EARTH...

  • Page 28: Performance Curve Diagram

    All manuals and user guides at all-guides.com PERFORMANCE CURVE DIAGRAM REMARKS FOR GAS PRESSURE CHECK AND CHARGING Gas pressure is to be measured at COMPULSORY COOLING OPERATION for cooling or EMERGENCY OPERATION for heating. (It is operated for 30 minutes at 58Hz fixed frequency.) If you find substantial diffrence in performance compared with PERFORMANCE CURVE as shown next, recharge the refrigerant.
  • Page 29 All manuals and user guides at all-guides.com PERFORMANCE CURVE DIAGRAM TAN/TAG-A28EWI COOLING CURRENT TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE HUMIDITY60% AIR TEMPERATURE INDOOR-OUTDOOR HEATING AIR-TEMPERATURE INDOOR 20℃ CURRENT TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE HUMIDITY50% AIR TEMPERATURE-OUTDOOR – 28 –...
  • Page 30 All manuals and user guides at all-guides.com PERFORMANCE CURVE DIAGRAM TAN/TAG-A32EWI COOLING CURRENT ℃ TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE ℃ HUMIDITY60% AIR TEMPERATURE INDOOR-OUTDOOR HEATING AIR-TEMPERATURE INDOOR 20℃ CURRENT ℃ TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE ℃ HUMIDITY50% AIR TEMPERATURE-OUTDOOR –...
  • Page 31 All manuals and user guides at all-guides.com PERFORMANCE CURVE DIAGRAM TAN/TAG-A53EWI COOLING CURRENT TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE HUMIDITY60% AIR TEMPERATURE INDOOR-OUTDOOR HEATING AIR-TEMPERATURE INDOOR 20℃ CURRENT TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE HUMIDITY50% AIR TEMPERATURE-OUTDOOR – 30 –...

  • Page 32: Electric Circuit Diagram

    All manuals and user guides at all-guides.com ELECTRIC CIRCUIT DIAGRAM TAN-A28EWI, TAN-A32EWI – 31 –...
  • Page 33 All manuals and user guides at all-guides.com ELECTRIC CIRCUIT DIAGRAM TAN-A53EWI – 32 –...
  • Page 34 All manuals and user guides at all-guides.com ELECTRIC CIRCUIT DIAGRAM TAG-A28EWI, TAG-A32EWI – 33 –...
  • Page 35 All manuals and user guides at all-guides.com ELECTRIC CIRCUIT DIAGRAM TAG-A53EWI – 34 –...

  • Page 36: Exploded View (Indoor Unit)

    All manuals and user guides at all-guides.com EXPLODED VIEW ( INDOOR UNIT ) TAN-A28EWI TAN-A32EWI – 35 –...
  • Page 37 All manuals and user guides at all-guides.com EXPLODED VIEW ( INDOOR UNIT ) TAN-A53EWI – 36 –...

  • Page 38: Exploded View (Outdoor Unit)

    All manuals and user guides at all-guides.com EXPLODED VIEW ( OUTDOOR UNIT ) TAG-A28EWI TAG-A32EWI – 37 –...
  • Page 39 All manuals and user guides at all-guides.com EXPLODED VIEW ( INDOOR UNIT ) TAG-A53EWI – 38 –...

  • Page 40: Parts List (Indoor Unit)

    All manuals and user guides at all-guides.com PARTS LIST ( INDOOR UNIT ) & & – 39 –...
  • Page 41 All manuals and user guides at all-guides.com PARTS LIST ( INDOOR UNIT ) & & – 40 –...

  • Page 42: Parts List (Outdoor Unit)

    All manuals and user guides at all-guides.com PARTS LIST ( OUTDOOR UNIT ) – 41 –...
  • Page 43 All manuals and user guides at all-guides.com PARTS LIST ( OUTDOOR UNIT ) – 42 –...
  • Page 44 All manuals and user guides at all-guides.com RA-24-[1] ISSUED JUL.2004 Printed in Japan...

This manual is also suitable for:

Tan/tag-a32ewiTan/tag-a53ewi

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