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Toshiba RAS-167SAV-E3 User Manual

Toshiba RAS-167SAV-E3
110 pages
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R410A
SERVICE MANUAL
SPLIT TYPE
Indoor Unit Outdoor Unit
<High Wall, Heat Pump Type> <Heat Pump Type>
RAS-137SKV-E3 RAS-137SAV-E3
RAS-167SKV-E3 RAS-167SAV-E3
Revised on Mar, 2010
FILE NO. SVM-10015-1

Table of Contents

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Toshiba RAS-167SAV-E3 Specifications

General IconGeneral
BrandToshiba
ModelRAS-167SAV-E3
CategoryAir Conditioner
LanguageEnglish

Summary

1. SAFETY PRECAUTIONS

General Safety Guidelines

Essential safety instructions for operating and servicing the air conditioner.

Refrigerant R410A Handling Precautions

Safety measures for the new HFC refrigerant R410A, including installation and servicing.

2. SPECIFICATIONS

Unit Specifications Table

Detailed technical specifications for indoor and outdoor units, including capacity, power, and dimensions.

Operation Characteristic Curves

Graphs illustrating cooling and heating performance based on compressor speed and temperature.

3. REFRIGERANT R410A

Safety During Installation/Servicing with R410A

Critical safety precautions for handling R410A refrigerant during installation and servicing.

Refrigerant Piping Installation Requirements

Guidelines for selecting and installing piping materials and joints for R410A systems.

Required Tools for R410A Systems

List of specialized tools needed for R410A refrigerant handling and installation.

Refrigerant Recharging Procedures

Step-by-step instructions for recharging refrigerant in the air conditioning system.

Pipe Brazing Materials and Techniques

Procedures and materials for brazing refrigerant pipes, including flux and filler selection.

4. CONSTRUCTION VIEWS

Indoor Unit Assembly Diagram

Exploded view and dimensions of the indoor unit components and installation plate.

Outdoor Unit Assembly Diagram

Exploded view and dimensions of the outdoor unit components and installation points.

5. WIRING DIAGRAM

Wiring Diagram for RAS-137SKV-E3/SAV-E3

Electrical schematic for the 137SKV/SAV-E3 models, showing internal connections.

Wiring Diagram for RAS-167SKV-E3/SAV-E3

Electrical schematic for the 167SKV/SAV-E3 models, illustrating unit wiring.

6. SPECIFICATIONS OF ELECTRICAL PARTS

Indoor Unit Electrical Components

List of electrical parts for the indoor unit with their types and specifications.

Outdoor Unit Electrical Components

Specifications for electrical parts used in the outdoor unit, including motors and sensors.

7. REFRIGERANT CYCLE DIAGRAM

Refrigerant Cycle for RAS-137SKV-E3/SAV-E3

Diagram illustrating the refrigerant flow and components for the 137 model.

Refrigerant Cycle for RAS-167SKV-E3/SAV-E3

Diagram showing the refrigerant path and key components for the 167 model.

Operation Data and Conditions

Performance data for cooling and heating operations under various conditions.

8. CONTROL BLOCK DIAGRAM

Indoor Unit Control System

Block diagram detailing the control functions and signals for the indoor unit.

Outdoor Unit Control System (Inverter Assembly)

Block diagram illustrating the control logic and components of the outdoor unit inverter.

9. OPERATION DESCRIPTION

9-1. Outline of Air Conditioner Control System

Overview of the air conditioner's control system architecture and functions.

9-2. Key Operation Modes and Features

Explains various operating modes like Basic, AUTO, DRY, ECO, QUIET, SLEEP, HI-POWER.

9-3. Fan Motor and Control Function Details

Details fan motor control, louver control, discharge temp control, and P.M.V. control logic.

9-4. Auto Restart, Timer, and Remote Controller Functions

Instructions for auto restart, timer settings, and remote controller operations and indicators.

10. INSTALLATION PROCEDURE

10-1. Unit Installation Diagrams and Clearances

Visual guide for installing indoor and outdoor units, including mounting and clearances.

10-2. Installation Parts, Tools, and Accessories

Lists of optional installation parts, accessories, and required servicing tools.

10-3. Indoor Unit Installation Specifics

Details on indoor unit placement, drilling, electrical work, and piping installation.

10-4. Outdoor Unit Installation Specifics

Guidelines for outdoor unit placement, draining, refrigerant piping, and wiring.

10-5. Test Operation and Settings

Procedures for conducting test operations and configuring settings like remote control pairing.

11. HOW TO DIAGNOSE THE TROUBLE

11-1. Initial Confirmation and Basic Checks

Steps to confirm power supply, voltage, and basic operation status.

11-2. Fault Diagnosis Methods

Using LED indicators, remote controller service mode, and check codes for diagnosis.

11-3. Symptom-Based Troubleshooting

Step-by-step guides for common symptoms like no power, fan issues, and wiring errors.

11-4. Component Level Checks

Procedures for checking PC boards, motors, sensors, and other critical components.

12. HOW TO REPLACE THE MAIN PARTS

12-1. Indoor Unit Component Replacement Procedures

Detailed steps for disassembling and replacing major parts of the indoor unit.

12-2. Outdoor Unit Component Replacement Procedures

Instructions for disassembling and replacing major parts of the outdoor unit.

13. EXPLODED VIEWS AND PARTS LIST

Indoor Unit E-Parts and Diagrams

Exploded views and parts lists for indoor unit models.

Indoor Unit Component Diagrams

Exploded views of internal components for indoor units.

Outdoor Unit Component Diagrams

Exploded views of outdoor unit components.

PC Board Layout Diagrams

Diagrams showing the layout of PC boards for indoor and outdoor units.

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