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Toyotomi TAN-A53IV User Manual

Toyotomi TAN-A53IV
44 pages
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SERVICE MANUAL
ROOM AIR CONDITIONER
TAN/TAG-A28IV
TAN/TAG-A32IV
TAN/TAG-A53IV
CONTENTS
SPECIFICATION .................................................................... 1
FUNCTIONS .......................................................................... 7
SERVICE FUNCTION EXPLANATION .................................. 9
OPERATION DETAILS......................................................... 10
TROUBLESHOOTING GUIDE ............................................. 16
PERFORMANCE CURVE DIAGRAM ..................................22
ELECTRIC CIRCUIT DIAGRAM .......................................... 26
SCHEMATIC DIAGRAM AND PCB’S .................................. 30
PARTS LIST (PCB) .............................................................. 40
SEMICONDUCTOR LEAD IDENTIFICATION...................... 51
SEMICONDUCTOR PIN FUNCTION................................... 55
THERMISTOR RESISTANCE CHART ................................. 60
EXPLODED VIEW (INDOOR UNIT) .................................... 68
EXPLODED VIEW (OUTDOOR UNIT) ................................ 71
PARTS LIST (INDOOR UNIT) .............................................. 73
PARTS LIST (OUTDOOR UNIT) .......................................... 74
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Toyotomi TAN-A53IV Specifications

General IconGeneral
Cooling Capacity5.3 kW
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
RefrigerantR410A
Noise Level (Outdoor)54 dB(A)

Summary

SPECIFICATION

Cooling & Heating Capacity

Details cooling and heating capacity in BTU/h for indoor and outdoor units.

SPECIFICATION

Parts Provided

Lists the components included with the unit.

SPECIFICATION

Cooling & Heating Capacity

Details cooling and heating capacity in BTU/h for indoor and outdoor units.

SPECIFICATION

Parts Provided

Lists the components included with the unit.

SPECIFICATION

Cooling & Heating Capacity

Details cooling and heating capacity in BTU/h for indoor and outdoor units.

SPECIFICATION

Parts Provided

Lists the components included with the unit.

FUNCTIONS

REMOTE-CONTROL TRANSMITTER

Explains functions controlled via the remote transmitter.

FUNCTIONS

OUTDOOR UNIT FUNCTIONS

Details functions of the outdoor unit, including inverter and safety controls.

SERVICE FUNCTION EXPLANATION

EMERGENCY AND TEST OPERATION

Details how to perform emergency and test operations.

OPERATION DETAILS

TIMER OPERATION

Explains setting and cancelling ON, OFF, and Sleep timers.

OPERATION DETAILS

COOLING MODE OPERATION

Describes operational frequency control during cooling mode.

OPERATION DETAILS

DRY MODE OPERATION

Details operational frequency control during dry mode.

OPERATION DETAILS

HEATING MODE OPERATION

Describes operational frequency control during heating mode.

OPERATION DETAILS

DEFROSTING OPERATION

Explains the conditions and process of defrosting operation.

OPERATION DETAILS

COMPRESSOR STARTING SEQUENCE

Details the frequency and time sequence for compressor startup.

TROUBLESHOOTING GUIDE

SAFETY WARNINGS

Critical safety warnings and precautions for handling the unit.

TROUBLESHOOTING GUIDE

INDICATION LAMP DIAGNOSIS

Explains how LED indicators diagnose unit troubles.

TROUBLESHOOTING GUIDE

CHECKING STEPS

Step-by-step checks for common issues with diagrams.

TROUBLESHOOTING GUIDE

ERROR CODE DISPLAY

How to retrieve and interpret past error codes.

TROUBLESHOOTING GUIDE

WIRING DIAGRAM

Electrical wiring schematics for indoor and outdoor units.

TROUBLESHOOTING GUIDE

WIRING DIAGRAM

Electrical wiring schematics for indoor and outdoor units.

PERFORMANCE CURVE DIAGRAM

REFRIGERANT CHARGING REMARKS

Guidelines for refrigerant pressure checks and charging procedures.

PERFORMANCE CURVE DIAGRAM

COOLING MODE CURVES

Performance curves for cooling mode based on air temperature and humidity.

PERFORMANCE CURVE DIAGRAM

COOLING MODE CURVES

Performance curves for cooling mode based on air temperature and humidity.

PERFORMANCE CURVE DIAGRAM

COOLING MODE CURVES

Performance curves for cooling mode based on air temperature and humidity.

ELECTRIC CIRCUIT DIAGRAM

TAN-A28IV, TAN-A32IV CIRCUIT

Circuit diagram for indoor units TAN-A28IV and TAN-A32IV.

ELECTRIC CIRCUIT DIAGRAM

TAN-A53IV CIRCUIT

Circuit diagram for indoor unit TAN-A53IV.

THERMISTOR RESISTANCE CHART

ROOM SENSOR RESISTANCE

Resistance values for room temperature sensors at various temperatures.

THERMISTOR RESISTANCE CHART

TAN ROOM SENSOR RESISTANCE

Resistance values for room temperature sensors at various temperatures.

THERMISTOR RESISTANCE CHART

HEAT EXCHANGER SENSOR RESISTANCE

Resistance values for heat exchanger sensors at various temperatures.

THERMISTOR RESISTANCE CHART

TAN HEAT EXCHANGER SENSOR RESISTANCE

Resistance values for heat exchanger sensors at various temperatures.

THERMISTOR RESISTANCE CHART

DEFROST/OUTDOOR SENSOR RESISTANCE

Resistance values for defrost/outdoor temp sensors.

THERMISTOR RESISTANCE CHART

TAG DEFROST/OUTDOOR SENSOR RESISTANCE

Resistance values for defrost/outdoor temp sensors.

THERMISTOR RESISTANCE CHART

DISCHARGE SENSOR RESISTANCE

Resistance values for discharge temperature sensors.

THERMISTOR RESISTANCE CHART

TAG DISCHARGE SENSOR RESISTANCE

Resistance values for discharge temperature sensors.

EXPLODED VIEW (INDOOR UNIT)

EXPLODED VIEW (INDOOR UNIT)

EXPLODED VIEW (INDOOR UNIT)

EXPLODED VIEW (OUTDOOR UNIT)

EXPLODED VIEW (OUTDOOR UNIT)

PARTS LIST (INDOOR UNIT)

PARTS LIST (OUTDOOR UNIT)

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