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Toshiba RAS-13NAV-E User Manual

Toshiba RAS-13NAV-E
96 pages
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FILE NO. SVM-05027-1
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
RAS-13NKV-E / RAS-13NAV-E
RAS-13NKV-A / RAS-13NAV-A
June, 2005
RAS-16NKV-E / RAS-16NAV-E
RAS-16NKV-A / RAS-16NAV-A

Table of Contents

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Toshiba RAS-13NAV-E Specifications

General IconGeneral
BrandToshiba
ModelRAS-13NAV-E
CategoryAir Conditioner
LanguageEnglish

Summary

Specifications

1-1. Specifications: Unit Details and Performance

Details unit model, capacities, power, and electric characteristics.

1-2. Operation Characteristic Curves

Illustrates current vs. compressor speed for cooling and heating.

1-3. Capacity Variation Ratio by Temperature

Shows how capacity changes with outdoor temperature for cooling/heating.

Refrigerant R410A Handling

2-1. R410A Safety: Installation and Servicing Precautions

Crucial safety precautions for R410A handling and installation.

2-2. R410A Refrigerant Piping Installation

Guidelines for installing refrigerant piping, including materials.

2-2-2. Refrigerant Pipe Processing Procedures

Procedures for cutting, burr removal, and flare processing of pipes.

2-2-3. Flare Dimensions for R410A and R22

Specifications for flare dimensions for R410A and R22.

2-2-7. Flare Connection Tightening Torque

Reference values for tightening torque of flare connections for R410A.

2-3. Required Tools for R410A Installation

Lists required tools specific to R410A and general tools.

Construction Views

3-1. Indoor Unit Construction Views

Detailed diagrams of the indoor unit's structure and dimensions.

3-2. Outdoor Unit Construction Views

Detailed diagrams of the outdoor unit's structure and dimensions.

Wiring Diagrams and Failure Diagnosis

4-1. Indoor Unit (13NKV) Wiring Diagram

Wiring diagram for the 13NKV indoor unit and basic failure checks.

4-2. Indoor Unit (16NKV) Wiring Diagram

Wiring diagram for the 16NKV indoor unit and basic failure checks.

4-2. Outdoor Unit Wiring Diagram

Wiring diagram for the outdoor unit, including inverter assembly.

Electrical Parts Specifications

5-1. 13NKV Indoor Unit Electrical Parts

List of electrical components for the 13NKV indoor unit.

5-2. 16NKV Indoor Unit Electrical Parts

List of electrical components for the 16NKV indoor unit.

5-3. 13NAV Outdoor Unit Electrical Parts

List of electrical components for the 13NAV outdoor unit.

5-4. 16NAV Outdoor Unit Electrical Parts

List of electrical components for the 16NAV outdoor unit.

Refrigerant Cycle and Operation Data

6-1. Refrigerant Cycle Diagrams

Diagrams illustrating the refrigerant flow for 13 and 16 series models.

6-2. Operation Data

Performance data including pressure and temperature for cooling/heating.

Control Block Diagrams

7-1. Indoor Unit Control Block Diagram

Diagram showing the control flow and components within the indoor unit.

7-2. Outdoor Unit (Inverter Assembly) Control Block Diagram

Diagram illustrating the control logic of the outdoor unit's inverter system.

Operation Description and Control Logic

8-1. Air Conditioner Control Overview

General control strategy, capacity, power factor, prevent-freezing, louvers, and fan control.

8-2. Specific Operation Modes and Circuit Descriptions

Details on Cooling, DRY, Heating, ECONO, Hi POWER, QUIET, Temporary, Auto Restart, and Filter Check.

8-6. Remote Control Operation and Indicators

Explanation of remote control buttons, functions, and display indicators.

Installation Procedures

9-1. General Safety Cautions for Installation

Precautions for power supply cords and refrigerant handling.

9-1-1. Unit Installation Diagrams

Diagrams showing correct placement and clearances for unit installation.

9-1-2. Optional and Accessory Parts

Lists of optional parts and standard accessories included with the unit.

9-1-4. Installation and Servicing Tools

Tools required for R410A installation, highlighting new tools and changes.

9-2-1. Indoor Unit Installation Place

Guidance on selecting an appropriate location for the indoor unit.

9-2-2. Indoor Unit: Hole Cutting and Plate Mounting

Steps for cutting wall openings and mounting the installation plate.

9-2-3. Indoor Unit Electrical Work

Details on power supply connection and wiring practices.

9-2-4. Indoor Unit Wiring Connection

Instructions for connecting the indoor unit's wiring.

9-2-5. Indoor Unit Piping and Drain Hose

Guidance on routing refrigerant pipes and drain hoses.

9-2-6. Indoor Unit Fixing and Drainage

Steps for securely mounting the indoor unit and ensuring proper drainage.

9-3-1. Outdoor Unit Installation Place

Criteria for selecting the installation site for the outdoor unit.

9-3-2. Outdoor Unit Piping Connection and Flaring

Steps for flaring copper pipes for refrigerant connections.

9-3-3. System Evacuation Procedure

Procedure for evacuating air from the system using a vacuum pump.

9-3-4. Outdoor Unit Wiring Connection

Instructions for connecting the outdoor unit's power and control wiring.

9-3-5. Gas Leak Test and Test Operation

Procedures for testing for gas leaks and performing initial operation tests.

9-3-7. Outdoor Unit Auto Restart Setting

How to enable or disable the auto restart feature of the unit.

Troubleshooting and Diagnostics

10-1 to 10-3. Initial Confirmation and Basic Diagnosis

Covers initial checks, primary judgment, and LED error code interpretation.

10-4 to 10-6. Advanced Diagnosis: Remote Control, Symptoms, Wiring

Diagnosing issues via remote control, symptoms, wiring failures, and specific error codes.

10-7 to 10-9. Component Testing and Outdoor Unit Diagnosis

Procedures for diagnosing outdoor unit issues and testing key components.

Main Parts Replacement Procedures

11-1. Indoor Unit Parts Replacement: General

Steps for replacing indoor unit components like front panel, electrical parts, and louvers.

11-1. Indoor Unit: Heat Exchanger and Fan Motor

Procedures for removing and replacing the heat exchanger and fan motor.

11-1. Indoor Unit: Cross Flow Fan and Base Bearing

Instructions for replacing the cross flow fan and base bearing.

11-2. Microcomputer and P.C. Board Replacement

Steps for replacing the microcomputer and associated P.C. boards.

11-3. Outdoor Unit Component Replacement

Procedures for accessing and replacing outdoor unit parts like inverter and cabinets.

11-3. Outdoor Unit: Fan Motor, Compressor, Reactor

Replacing the outdoor fan motor, compressor, and reactor.

11. Temperature Sensor Replacement

Procedure for replacing temperature sensors and handling common service parts.

Exploded Views and Parts Lists

12-1. Indoor Unit (E-Parts Assy) Exploded View

Exploded view and parts list for indoor unit E-parts assembly.

12-2. Indoor Unit Exploded View and Parts List

Detailed exploded view and parts list for the indoor unit.

12-3. Outdoor Unit (13NAV) Exploded View

Exploded view and parts list for the 13NAV outdoor unit.

12-4. Outdoor Unit (16NAV) Exploded View

Exploded view and parts list for the 16NAV outdoor unit.

12-5. Outdoor Unit (E-Parts Assy) Exploded View

Exploded view and parts list for outdoor unit E-parts assembly.

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