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Toshiba RAS-10N3KVR-E User Manual

Toshiba RAS-10N3KVR-E
113 pages
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R410A
SERVICE MANUAL
SPLIT TYPE
Indoor Unit Outdoor Unit
RAS-13N3KVR-E/ RAS-13N3AVR-E
October, 2012
FILE NO. SVM-12057
RAS-10N3KVR-E / RAS-10N3AVR-E
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Table of Contents

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Toshiba RAS-10N3KVR-E Specifications

General IconGeneral
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
RefrigerantR410A
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Outdoor Unit Dimensions (W x H x D)660 x 530 x 240 mm
Indoor Unit Weight9 kg
TypeSplit System Air Conditioner
Noise Level (Outdoor)50 dB(A)

Summary

Safety Precautions for Air Conditioner Operation

Air Conditioner Specifications Overview

RAS-10N3KVR-E/RAS-10N3AVR-E Model Specifications

Specific technical data for the RAS-10N3KVR-E indoor and RAS-10N3AVR-E outdoor units.

Operation Characteristic Curves for Cooling and Heating

Graphs illustrating current vs. compressor speed for cooling and heating modes.

Capacity Variation Ratio by Outdoor Temperature

Charts showing how cooling and heating capacity varies with outdoor temperature.

RAS-13N3KVR-E/RAS-13N3AVR-E Model Specifications

Detailed technical specifications for the RAS-13N3KVR-E indoor and RAS-13N3AVR-E outdoor units.

Refrigerant R410A Handling and Safety

R410A Refrigerant Installation and Servicing Safety

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

Refrigerant Piping Installation Procedures

Guidelines and methods for installing refrigerant piping, including materials and joints.

Required Tools for R410A Refrigerant Work

List of specialized tools required for handling R410A refrigerant and piping.

Refrigerant Recharging Procedure

Step-by-step instructions for recharging refrigerant into the air conditioner system.

Brazing Procedures for Refrigerant Pipes

Techniques and materials for brazing refrigerant pipes, including flux types and usage.

Air Conditioner Construction Views

Indoor Unit Construction Diagram and Dimensions

Detailed views and dimensions of the indoor unit and its mounting hardware.

Outdoor Unit Construction Diagram and Dimensions

Detailed views and dimensions of the outdoor unit, including mounting and connections.

Air Conditioner Wiring Diagram

Electrical Parts Specifications

Indoor Unit Electrical Component Specifications

Specifications for electrical parts within the indoor unit, such as fan motor and sensors.

Outdoor Unit Electrical Component Specifications

Specifications for electrical parts within the outdoor unit, including compressor and motors.

Refrigerant Cycle Diagram and Operation Data

Refrigerant Cycle Flow Diagram

Schematic representation of the refrigerant flow through the indoor and outdoor units.

Refrigerant Cycle Operation Data

Table of operational data including temperatures, pressures, and fan speeds under various conditions.

Air Conditioner Control Block Diagrams

Indoor Unit Control Logic Diagram

Schematic of the indoor unit's control system, including sensors and MCU functions.

Outdoor Unit Inverter Control Logic Diagram

Schematic of the outdoor unit's control system, focusing on the inverter assembly and its functions.

Air Conditioner Operation Descriptions

Outline of Air Conditioner Control System

Description of the indoor and outdoor unit controllers and their roles in system operation.

Basic Operation and Modes Description

Explanation of basic operation, cooling/heating, AUTO, DRY, and fan motor controls.

Auto Restart Function Setup and Operation

Instructions for setting, cancelling, and the behavior of the auto restart function.

Remote Controller Operations and Functions

Details on remote controller buttons, operation modes, and display indicators.

Air Conditioner Installation Procedures

Indoor and Outdoor Unit Installation Diagram

Visual guide for the physical placement and mounting of the indoor and outdoor units.

General Installation Guidelines and Optional Parts

Information on optional installation parts, fixing arrangements, and preliminary checks.

Indoor Unit Installation Details

Specific steps for installing the indoor unit, including placement, hole cutting, wiring, and drainage.

Outdoor Unit Installation Details

Specific steps for installing the outdoor unit, including placement, refrigerant piping, and electrical work.

Miscellaneous Installation Procedures and Checks

Includes gas leak tests, remote control settings, test operations, and auto restart setup.

Air Conditioner Troubleshooting Guide

First Confirmation Steps for Troubleshooting

Basic checks to confirm power supply, voltage, and fuse status before deeper diagnosis.

Primary Troubleshooting Judgment Methods

Methods for initial fault diagnosis, including LED indicators and symptom analysis.

Indoor Unit LED Flashing Code Diagnosis

Interpreting flashing LED patterns on the indoor unit to identify specific error codes.

Remote Controller Self-Diagnosis and Check Codes

Using the remote controller in service mode to retrieve and interpret diagnostic check codes.

Troubleshooting Symptoms and Component Checks

Detailed troubleshooting steps for various symptoms, including wiring, sensors, motors, and PC boards.

Main Parts Replacement Procedures

Indoor Unit Component Replacement Guide

Procedures for removing and replacing parts within the indoor unit, such as the front panel and microcomputer.

Microcomputer Replacement Procedure

Steps for accessing and replacing the microcomputer assembly in the indoor unit.

Outdoor Unit Component Replacement Guide

Procedures for removing and replacing parts within the outdoor unit, including cabinets and motors.

Exploded Views and Parts List

Indoor Unit Exploded View and Parts List

Illustrated breakdown of indoor unit components with corresponding part numbers.

Indoor Unit E-Parts Assembly Exploded View

Exploded view and parts list specifically for the E-Parts assembly of the indoor unit.

Outdoor Unit Exploded View and Parts List

Illustrated breakdown of outdoor unit components with corresponding part numbers.

P.C. Board Layout and Sensor Characteristics

Diagram showing the P.C. board layout and sensor resistance values versus temperature.

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