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Toyotomi TAG-A32IV User Manual

Toyotomi TAG-A32IV
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 TAG-A32IV Specifications

General IconGeneral
Cooling Capacity3.2 kW
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
RefrigerantR32
Noise Level (Outdoor Unit)50 dB(A)
TypeSplit-type Air Conditioner

Summary

SPECIFICATION

FUNCTIONS

Remote-Control Transmitter Functions

Explains the functions and operations controllable via the remote.

Indoor Unit Functions

Details the operational modes and features of the indoor unit.

FUNCTIONS

Outdoor Unit Functions

Describes operational features and controls specific to the outdoor unit.

SERVICE FUNCTION EXPLANATION

Emergency and Test Operation

Procedures for emergency and test operations of the unit.

Signal Interference Prevention

Methods to avoid signal interference between multiple indoor units.

OPERATION DETAILS

Timer Operation

Details how to set and cancel the ON, OFF, and Sleep timers.

Airflow Direction Control

Explains vertical and horizontal airflow direction adjustments.

OPERATION DETAILS

Time Delay Safety Control

Explains the compressor protection feature for 3 minutes after stopping.

Cooling Mode Operation

Describes the compressor operation logic during cooling mode.

OPERATION DETAILS

Dry Mode Operation

Details the compressor operation logic during dry mode.

OPERATION DETAILS

Heating Mode Operation

Explains the compressor operation logic during heating mode.

OPERATION DETAILS

Defrosting Operation

Describes the conditions and process for outdoor unit defrosting.

OPERATION DETAILS

Compressor Starting Sequence

Outlines the frequency and time steps for compressor start-up.

TROUBLESHOOTING GUIDE

Safety Precautions

Essential safety warnings and symbols for handling the unit.

Indication Lamp Diagnostics

Explains error codes indicated by indoor unit LED lamps.

TROUBLESHOOTING GUIDE

Diagnostic Check Steps

Details specific checks for components like fan motors and valves.

TROUBLESHOOTING GUIDE

Electric Character Tables

Provides resistance and voltage data for sensor diagnostics.

Error History Display

How to view past error codes using the emergency operation switch.

TROUBLESHOOTING GUIDE

Wiring Diagram

Electrical schematic for indoor and outdoor units.

PERFORMANCE CURVE DIAGRAM

Gas Pressure Check Remarks

Guidelines for checking and charging refrigerant pressure.

ELECTRIC CIRCUIT DIAGRAM

THERMISTOR RESISTANCE CHART

Room Temperature Sensor Data

Resistance and voltage values for room temperature sensors.

THERMISTOR RESISTANCE CHART

Heat Exchanger Sensor Data

Resistance and voltage values for heat exchanger sensors.

THERMISTOR RESISTANCE CHART

Defrost and Outdoor Sensor Data

Resistance and voltage for defrost and outdoor temperature sensors.

THERMISTOR RESISTANCE CHART

Discharge Temperature Sensor Data

Resistance and voltage for discharge temperature sensors.

EXPLODED VIEW (INDOOR UNIT)

EXPLODED VIEW (OUTDOOR UNIT)

PARTS LIST (INDOOR UNIT)

PARTS LIST (OUTDOOR UNIT)

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