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Toshiba RAS-13NAV-A User Manual

Toshiba RAS-13NAV-A
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-A Specifications

General IconGeneral
CategoryAir Conditioner
ModelRAS-13NAV-A
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
RefrigerantR410A
Weight (Indoor Unit)9 kg
Weight (Outdoor Unit)31 kg
Noise Level (Indoor)42 dB(A)
TypeSplit Type

Summary

SPECIFICATIONS

Specifications

Detailed operational and physical specifications for indoor and outdoor units.

Operation Characteristic Curve

Graphs showing current vs. compressor speed for cooling and heating.

Capacity Variation Ratio According to Temperature

Charts illustrating capacity changes based on outdoor temperature.

REFRIGERANT R410A

Safety During Installation/Servicing

Crucial safety precautions for handling R410A refrigerant.

Refrigerant Piping Installation

Guidelines for selecting and preparing copper pipes and joints for R410A.

Tools

List of specialized and general tools required for R410A systems.

CONSTRUCTION VIEWS

Indoor Unit

Diagrams showing the dimensions and parts of the indoor unit.

Outdoor Unit

Diagrams illustrating the dimensions and external features of the outdoor unit.

WIRING DIAGRAM

Indoor Unit (For 13NKV)

Electrical schematic for the indoor unit of the 13NKV model.

Indoor Unit (For 16NKV)

Electrical schematic for the indoor unit of the 16NKV model.

Outdoor Unit

Electrical schematic for the outdoor unit's inverter assembly.

SPECIFICATION OF ELECTRICAL PARTS

Indoor Unit (For 13NKV)

List and specifications of electrical components for the 13NKV indoor unit.

Outdoor Unit (For 13NAV)

List and specifications of electrical components for the 13NAV outdoor unit.

REFRIGERANT CYCLE DIAGRAM

Refrigerant Cycle Diagram

Schematic illustrating the refrigerant flow for the 13 series units.

Operation Data

Table of operating parameters for cooling and heating modes.

CONTROL BLOCK DIAGRAM

Indoor Unit

Block diagram showing the control functions of the indoor unit.

Outdoor Unit (Inverter Assembly)

Block diagram detailing the control logic of the outdoor unit's inverter.

OPERATION DESCRIPTION

Outline of Air Conditioner Control

Overview of how the indoor and outdoor units interact and are controlled.

Description of Operation Circuit

Explanation of the cooling, prevent-freezing, and current release control circuits.

Remote Control and its Functions

Description of each button and display on the remote control.

INSTALLATION PROCEDURE

Safety Cautions

Critical safety warnings for installing new refrigerant air conditioners.

Indoor Unit Installation

Guidelines for selecting the installation location and mounting the indoor unit.

Outdoor Unit Installation

Recommendations for choosing an outdoor installation location and securing the unit.

HOW TO DIAGNOSE THE TROUBLE

First Confirmation

Initial checks for power supply and voltage before troubleshooting.

Judgment by Flashing LED of Indoor Unit

Table correlating LED flash codes to specific fault conditions.

Self-Diagnosis by Remote Control (Check Code)

Procedures for activating and interpreting self-diagnosis codes via the remote control.

Judgment of Trouble by Every Symptom

Troubleshooting flowcharts for specific symptoms like no power or fan issues.

How to Check Simply the Main Parts

Procedures for checking indoor and outdoor unit components like P.C. boards and motors.

HOW TO REPLACE THE MAIN PARTS

Indoor Unit

Step-by-step instructions for disassembling and replacing indoor unit components.

Microcomputer

Procedures for accessing and replacing the microcomputer and its associated P.C. board.

Outdoor Unit

Instructions for disassembling the outdoor unit and replacing major parts like the inverter.

EXPLODED VIEWS AND PARTS LIST

Indoor Unit (E-Parts Assy)

Exploded view and parts list for the indoor unit's electronic components.

Indoor Unit

Exploded view and parts list for the main components of the indoor unit.

Outdoor Unit (For 13NAV)

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

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