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Toshiba RAS-10SKV2-E User Manual

Toshiba RAS-10SKV2-E
111 pages
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R410A
SERVICE MANUAL
SPLIT TYPE
Indoor Unit Outdoor Unit
<High Wall, Heat Pump Type> <Heat Pump Type>
RAS-10SKV2-E RAS-10SAV2-E
RAS-13SKV2-E RAS-13SAV2-E
RAS-16SKV2-E RAS-16SAV2-E
January, 2010
FILE NO. SVM-10001

Table of Contents

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Toshiba RAS-10SKV2-E Specifications

General IconGeneral
TypeSplit System
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Power Supply220-240V, 50Hz
RefrigerantR410A
Indoor Unit Dimensions (W x H x D)740 x 250 x 200 mm
Outdoor Unit Dimensions (W x H x D)660 x 530 x 240 mm
Weight (Indoor Unit)9 kg
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Noise Level (Outdoor Unit)50 dB(A)

Summary

Safety Precautions

General Safety Warnings

Important safety warnings and precautions for general users and during servicing.

Product Specifications

Model Specifications Overview

Detailed specifications for RAS-10/13 models, including capacity, power, and dimensions.

Model Specifications Overview (RAS-16)

Detailed specifications for RAS-16 models, including capacity, power, and dimensions.

Operation Characteristics and Capacity Data

Curves for operation characteristics and capacity variation based on temperature.

Refrigerant R410A Handling

Safety, Piping, Tools, and Recharging

Covers R410A safety, piping, required tools, and refrigerant recharging procedures.

Brazing Procedures

Brazing Materials and Techniques

Details brazing filler materials, flux, and the brazing process to prevent oxidation.

Construction Views

Indoor and Outdoor Unit Diagrams

Exploded views and dimensional details of indoor and outdoor unit components.

Wiring Diagrams

Wiring Diagram for RAS-10/13 Models

Wiring schematic for RAS-10SKV2-E, RAS-10SAV2-E, RAS-13SKV2-E, RAS-13SAV2-E.

Wiring Diagram for RAS-16 Model

Wiring schematic for RAS-16SKV2-E and RAS-16SAV2-E units.

Electrical Parts Specifications

Indoor Unit Electrical Parts

List and specifications of electrical components for the indoor unit.

Outdoor Unit Electrical Parts

List and specifications of electrical components for the outdoor unit.

Refrigerant Cycle Diagrams

Refrigerant Cycle for RAS-10/10 Models

Diagram illustrating the refrigerant flow for RAS-10SKV2-E/RAS-10SAV2-E.

Refrigerant Cycle for RAS-13/13 Models

Diagram illustrating the refrigerant flow for RAS-13SKV2-E/RAS-13SAV2-E.

Refrigerant Cycle for RAS-16/16 Models

Diagram illustrating the refrigerant flow for RAS-16SKV2-E/RAS-16SAV2-E.

Operation Data

Cooling and Heating Data

Provides key operating data for cooling and heating modes.

Control Block Diagrams

Indoor Unit Control Logic

Diagram showing functions and control flow of the indoor unit's MCU.

Outdoor Unit Control Block Diagram

Diagram illustrating the control logic and components of the outdoor unit inverter.

Operation Description

Outline of Air Conditioner Control

Overview of system control, roles of units, and signal communication.

Detailed Operation Modes Overview

Introduces various operation modes like basic, fan control, ECO, Quiet, and Hi-POWER.

Basic Operation Control

Details how the remote controller, indoor, and outdoor units manage operation.

Indoor Fan Motor Control

Explains fan speed control logic for cooling and heating operations.

Operation Modes

Outdoor Fan Motor Control

Describes control of outdoor fan speed based on temperature and compressor speed.

ECO Operation Mode

Details the energy-saving ECO mode for cooling and heating operations.

Quiet and Comfort Sleep Modes

Covers Quiet mode for reduced noise and Comfort Sleep mode for energy saving.

Hi-POWER and Filter Indicator

Details Hi-POWER mode and the function of the filter indicator.

Auto Restart Function

Setting and Canceling Auto Restart

Instructions for enabling, disabling, and managing the auto restart function.

Remote Controller Functions

Remote Control Overview and Operations

Identifies buttons, explains basic operations, and details specific modes.

Remote Controller Display Indications

Explains the meaning of icons and indicators shown on the remote controller display.

Installation Procedure

Installation Diagrams, Parts, and Tools

Covers unit diagrams, optional parts, included accessories, and required tools for installation.

Indoor Unit Installation Steps

Covers unit placement, drilling, electrical work, wiring, and piping.

Outdoor Unit Installation Steps

Covers unit placement, drainage, piping connection, wiring, and evacuation.

Test Operation and Settings

Includes gas leak testing, system test, auto restart, and remote controller settings.

Troubleshooting Guide

Initial Checks and Judgments

Covers first confirmation, primary judgment, and LED fault diagnosis.

Primary Judgment and LED Diagnosis

Methods for primary troubleshooting and interpreting indoor unit LED flashing codes.

Remote Controller Diagnosis

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

Troubleshooting Check Codes

List of error codes and their corresponding causes and actions for diagnosis.

Troubleshooting by Symptom

Indoor Unit Symptom Diagnosis

Troubleshooting steps for indoor unit issues like no power or remote control problems.

Indoor Fan Motor Troubleshooting

Diagnostic flow for when the indoor fan motor does not operate or rotates improperly.

Indoor Fan Motor Auto-Rotation Troubleshooting

Troubleshooting for indoor fan motor automatically rotating upon power supply activation.

Remote Controller Troubleshooting

Flowchart for diagnosing remote control issues related to signal transmission.

Wiring Failure Troubleshooting

Outdoor Unit Operation Issues

Diagnosing issues when the outdoor unit does not operate or stops shortly after starting.

Checking Main Parts

Pulse Motor Valve and Other Checks

Procedures for checking the pulse motor valve and performing basic system checks.

Outdoor Unit Diagnosis

Inverter Assembly Diagnosis Summary

Flowchart for diagnosing inverter assembly, including fuse, capacitor, and motor checks.

Checking Electronic Components

Indoor Unit P.C. Board Check

Procedures for checking the indoor unit's main and indication P.C. boards for defects.

Indoor Unit P.C. Board Layout

Diagram showing component layout and sensor characteristic tables for the indoor P.C. board.

Indoor Unit Component Checks

Procedures for checking sensors, remote control, louver, and fan motor resistance.

Outdoor Unit Component Checks

Procedures for checking compressor, fan motor, valve coils, and sensors resistance.

Checking Specific Parts

Electrolytic Capacitor and Converter Check

Methods for checking electrolytic capacitors and converter modules for proper function.

Outdoor Fan Motor Diagnosis

Judging Outdoor Fan Motor Condition

Steps to diagnose if the outdoor fan motor is good or bad by checking resistance.

Replacing Main Parts - Indoor Unit

Indoor Unit Part Replacement Procedures

Detailed procedures for replacing indoor unit components like front panel, motor, and PCB.

Indoor Unit Front Panel Replacement

Steps for removing and reassembling the front panel of the indoor unit.

Indoor Unit Electric Parts Box Replacement

Procedure for removing and replacing the electric parts box assembly.

Indoor Unit Louver and Evaporator Replacement

Instructions for replacing the horizontal louver and evaporator (heat exchanger).

Indoor Unit Component Replacement

Indoor Unit Bearing and Fan Motor Replacement

Procedures for replacing the bearing and fan motor.

Indoor Unit Cross Flow Fan and Microcomputer Replacement

Instructions for replacing the cross flow fan and microcomputer.

Replacing Main Parts - Outdoor Unit

Outdoor Unit Detachment and Attachment

Procedure for detaching and attaching outdoor unit covers, cabinets, and cables.

Outdoor Unit Cabinet and Inverter Replacement

Steps for replacing the front cabinet and inverter assembly.

Outdoor Unit Control Board Replacement

Instructions for disconnecting connectors and replacing the control board assembly.

Outdoor Unit Side Cabinet and Fan Motor Replacement

Procedures for replacing side cabinets and the fan motor.

Outdoor Unit Component Replacement

Outdoor Unit Compressor and Reactor Replacement

Steps for replacing the compressor and reactor.

Outdoor Unit Expansion Valve and Fan Guard Replacement

Instructions for replacing the electronic expansion valve coil and fan guard.

Outdoor Unit Sensor Replacement

Procedures for installing TE, TS, TD, and TO sensors.

Temperature Sensor Servicing Procedure

Detailed steps for replacing temperature sensors, including part details.

Exploded Views and Parts Lists

Indoor Unit Parts Identification

Exploded view and parts list for the indoor unit components.

Indoor Unit Component Parts List

Detailed list of parts for the indoor unit, including motors, filters, and controls.

Outdoor Unit Parts Identification

Exploded view and parts list for the outdoor unit components.

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