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Toshiba RAS-13UAX2 User Manual

Toshiba RAS-13UAX2
76 pages
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FILE NO. SVM-03004(1)
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
July, 2003
RAS-13UKHP-E2 / RAS-13UAH-E2
RAS-10UKHP-E2 / RAS-10UAH-E2
RAS-13UKP-E2 / RAS-13UA-E2
RAS-10UKP-E2 / RAS-10UA-E2
RAS-13UKPX2 / RAS-13UAX2
RAS-10UKPX2 / RAS-10UAX2

Table of Contents

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Toshiba RAS-13UAX2 Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Power Supply220-240V, 50Hz
RefrigerantR410A
TypeSplit System
Noise Level (Outdoor)50 dB(A)

Summary

AIR CONDITIONER SPLIT WALL TYPE

SPECIFICATIONS

CONSTRUCTION VIEWS

Indoor Unit Construction Views

Detailed dimensions and features of the indoor unit.

Outdoor Unit Construction Views

Detailed dimensions and features of the outdoor unit.

WIRING DIAGRAM

Wiring Diagrams for Model Groups

Wiring schematics for specific indoor/outdoor unit models.

SPECIFICATION OF ELECTRICAL PARTS

Indoor Unit Electrical Parts

List of electrical components for indoor units.

Specific Indoor Unit Electrical Parts

Electrical parts for specific indoor unit models.

Outdoor Unit Electrical Parts

Electrical parts for specific outdoor unit models.

REFRIGERATION CYCLE DIAGRAM

Refrigeration Cycle Diagrams for Model Groups

Refrigeration cycle diagrams for specific model units.

CONTROL BLOCK DIAGRAM

Control Block Diagrams for Model Groups

Control block diagrams for specific model groups.

OPERATION DESCRIPTION

Outline of Air Conditioner Control

Overview of the air conditioner's control system.

Description of Operation Circuit

Details on the electronic circuits controlling operations.

Fan Operation Modes

How the unit operates in fan-only, cooling, and dry modes.

Heating and Automatic Operation Modes

How the unit operates in heating and automatic modes.

Special Operation Modes

Hi POWER, High-Temp Limit, and Low-Temp Limit controls.

Defrost Operation

Procedure for melting ice during heating operation.

Current Limit Control

Control to prevent excess current to outdoor fan.

Auto Restart Function

Functionality for automatic unit restart after power loss.

Filter Check Lamp

Indicator for filter maintenance and its reset procedure.

INSTALLATION PROCEDURE

Safety Cautions

Critical safety warnings before installation.

Installation Diagram

Visual guide for the physical installation of units.

General Installation Steps

General installation steps and optional parts.

Accessory and Installation Parts

List of included accessories and installation components.

Indoor Unit Installation

Guidelines for installing the indoor unit.

Electrical Work and Wiring

Instructions for electrical connections and power supply.

Piping and Drain Hose Installation

Steps for installing refrigerant piping and drain hoses.

Indoor Unit Fixing and Drainage

How to securely mount the indoor unit and set up drainage.

Outdoor Unit Installation

Guidelines for installing the outdoor unit.

Refrigerant Piping Connection

Proper procedures for connecting refrigerant pipes.

Evacuating the Refrigerant System

Process for removing air from the refrigerant system.

Outdoor Unit Wiring and Remote Control Setup

Connecting outdoor unit wiring and configuring remote control.

Gas Leak Test and Other Installation Topics

Miscellaneous installation checks and topics.

TROUBLESHOOTING CHART

Troubleshooting Procedure and Basic Checks

Step-by-step guide to diagnose issues and initial checks.

Primary Judgement and Failure Diagnosis

Initial assessment of symptoms and self-diagnosis methods.

Self-Diagnosis by Remote Control

Using the remote control for error code diagnosis.

Troubleshooting Flowcharts

Visual flowcharts for diagnosing specific operational failures.

Power Issues Post-PC Board Replacement

Troubleshooting flow for power issues post-PC board replacement.

Outdoor Unit Operation Failures

Diagnostic steps when the outdoor unit fails to run.

Compressor Operation Failures

Troubleshooting steps if only the compressor fails to operate.

Outdoor Fan Operation Failures

Troubleshooting steps if only the outdoor fan fails to operate.

4-Way Valve Operation Failure

Diagnosing failure of the 4-way valve in heating mode.

Indoor Fan Operation Failures

Troubleshooting steps if only the indoor fan fails to operate.

Remote Control and PC Board Troubleshooting

Steps to troubleshoot remote control and indoor PC board issues.

PC Board Inspection Procedures

Procedures for inspecting the main printed circuit board.

Restart Delay Timer Adjustment

Method to reduce the restart delay timer duration.

PC Board Layout Diagram

Diagram showing the layout of components on the PC board.

PART REPLACEMENT

Indoor Unit Part Replacement

Procedures for replacing parts within the indoor unit.

Outdoor Unit Part Replacement

Procedures for replacing parts within the outdoor unit.

EXPLODED VIEWS AND PARTS LIST

Indoor Unit (E-Parts Assy) Exploded View

Exploded view and parts list for indoor unit electrical components.

Indoor Unit Exploded View and Parts List

Exploded view and parts list for the indoor unit assembly.

Outdoor Unit (RAS-13UAH-E2) Exploded View

Exploded view and parts list for a specific outdoor unit model.

Outdoor Unit (RAS-10UAH-E2) Exploded View

Exploded view and parts list for a specific outdoor unit model.

Outdoor Unit (RAS-13UA-E2) Exploded View

Exploded view and parts list for a specific outdoor unit model.

Outdoor Unit (RAS-10UA-E2) Exploded View

Exploded view and parts list for a specific outdoor unit model.

Outdoor Unit (RAS-13UAX2) Exploded View

Exploded view and parts list for a specific outdoor unit model.

Outdoor Unit (RAS-10UAX2) Exploded View

Exploded view and parts list for a specific outdoor unit model.

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