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Toshiba RAS-10SAV2-E User Manual

Toshiba RAS-10SAV2-E
127 pages
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R410A
FILE NO. SVM-10044
SERVICE MANUAL
RAS-18SAV2-E
SPLIT TYPE
Indoor Unit Outdoor Unit
<Console, Heat Pump Type> <Heat Pump Type>
RAS-B10UFV-E RAS-10SAV2-E
RAS-B13UFV-E RAS-13SAV2-E
RAS-B18UFV-E RAS-18SAV-E
April, 2010

Table of Contents

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Toshiba RAS-10SAV2-E Specifications

General IconGeneral
BrandToshiba
ModelRAS-10SAV2-E
CategoryAir Conditioner
LanguageEnglish

Summary

SAFETY PRECAUTIONS

Safety Indications and Warnings

Explains DANGER, WARNING, CAUTION symbols, and general safety precautions.

Refrigerant Safety for Installation

Precautions for R410A installation and handling.

SPECIFICATIONS

General Unit Specifications

Lists capacities, power, noise, and dimensions for various models.

Combined Unit Compatibility and Performance Curves

Shows multi-split compatibility and operational characteristics.

REFRIGERANT R410A

Safety During Installation and Servicing

Precautions for handling R410A refrigerant during installation and service.

Refrigerant Piping Installation Guidelines

Requirements for copper pipes, joints, and materials.

TOOLS

Required Tools for R410A Installation

Lists exclusive and general tools necessary for R410A installation.

RECHARGING OF REFRIGERANT

Refrigerant Charging Procedure

Step-by-step guide for adding refrigerant to the system.

BRAZING OF PIPES

Brazing Materials and Flux

Details on types of brazing fillers and the use of flux.

Brazing Procedure and Prevention

CONSTRUCTION VIEWS

Indoor Unit Construction Details

Diagrams showing indoor unit parts and dimensions.

Outdoor Unit Construction Details

Diagrams showing outdoor unit components and dimensions.

WIRING DIAGRAM

Wiring Diagram for RAS-B10/13UFV-E & RAS-10/13SAV2-E

Electrical connection schematic for specific models.

Wiring Diagram for RAS-B18UFV-E & RAS-18SAV2-E

Electrical connection schematic for specific models.

SPECIFICATIONS OF ELECTRICAL PARTS

Indoor Unit Electrical Parts Specifications

List of electrical components for indoor units.

Outdoor Unit Electrical Parts Specifications

List of electrical components for outdoor units.

REFRIGERANT CYCLE DIAGRAM

Refrigerant Cycle Diagram for RAS-B10/13UFV-E & RAS-10/13SAV2-E

Diagram illustrating refrigerant flow for specific models.

Refrigerant Cycle Diagram for RAS-B18UFV-E & RAS-18SAV2-E

Diagram illustrating refrigerant flow for specific models.

OPERATION DATA

Cooling and Heating Operation Data

Performance data at various temperature and operating conditions.

CONTROL BLOCK DIAGRAM

Indoor Unit Control Block Diagram

Schematic of the indoor unit's control system.

Outdoor Unit Control Block Diagram

Schematic of the outdoor unit's control system.

OPERATION DESCRIPTION

Outline of Air Conditioner Control System

Overview of how the air conditioner's control system operates.

Operation Description Contents Overview

Lists various operation modes and functions described in the manual.

Basic Operation Control Flow

Explanation of basic ON/OFF and mode selection.

Cooling, Heating, and Auto Operation

Describes the cooling, heating, and auto operation modes.

DRY Operation Mode Details

Specifics of the dehumidification mode.

Indoor Fan Motor Control in Cooling Operation

Details on indoor fan speed control during cooling.

Indoor Fan Motor Control in Heating Operation

Details on indoor fan speed control during heating.

Outdoor Fan Motor Control Logic

Explanation of how the outdoor fan speed is managed.

Capacity Control Mechanisms

How cooling and heating capacity are adjusted.

Current Release Control Function

Over-current protection for the compressor.

Release Protective Control by Heat Exchanger Temperature

Protective control to prevent freezing or over-pressure.

Defrost Control Operation

Process for removing frost from the outdoor unit.

Air Outlet Direction Selection

How to adjust the airflow direction.

Lower Air Outlet Louver Adjustment

Control procedures for the lower louvers.

Upper Air Outlet Louver Adjustment

Control procedures for the upper louvers.

ECO Operation Mode Details

Explanation of the energy-saving ECO mode.

Test Operation Procedure

Steps for performing a test run of the unit.

Discharge Temperature Control

Compressor speed adjustment based on discharge temperature.

Pulse Modulating Valve (P.M.V.) Control

Regulation of refrigerant flow using the PMV.

Self-Cleaning Function Operation

How the self-cleaning feature operates.

Self-Cleaning Function Settings and Cancellation

Procedures for managing the self-cleaning function.

Remote Control A-B Selection Method

Configuring remote control for multiple indoor units.

QUIET and COMFORT SLEEP Modes

Details on quiet operation and comfort sleep modes.

Short Timer and FILTER Indicator

Timer settings and filter maintenance alert.

One-Touch Comfort and Hi-POWER Modes

Automated comfort and high-performance modes.

Set Temperature Correction Procedure

Adjusting the set temperature offset.

Outdoor Quiet Control Function

Function for reducing outdoor unit noise levels.

AUTO RESTART FUNCTION

Setting and Cancelling Auto Restart Function

Procedures for configuring and disabling the auto restart feature.

REMOTE CONTROL

Remote Control Functions and Layout

Overview of remote buttons, display, and functions.

Remote Control Operations - Basic Modes

How to use ONE-TOUCH, AUTO, COOL/HEAT modes.

Remote Control Operations - Mode Specifics

Details on DRY, Hi-POWER, ECO, and Timer operations.

Remote Control Operations - Additional Modes

Covers PRESET, QUIET, SLEEP, FILTER RESET functions.

Self-Cleaning Operation Details

Operation and Performance Considerations

TROUBLESHOOTING (CHECK POINT)

General Troubleshooting Checks

Basic checks for common issues like no operation or low cooling/heating.

Remote Control A-B Selection

Procedure for managing remote control signals for multiple units.

Adjusting Unit Display Brightness

Procedure to change the brightness of the unit's display.

Remote Controller Display Indications Explained

Indoor Unit Display and Operation Panel Controls

INSTALLATION PROCEDURE

Indoor and Outdoor Unit Installation Diagram

Visual guide showing placement and clearances for units.

Optional Parts, Accessories, and Tools List

Details on included and optional items for installation.

Accessory and Installation Parts Inventory

List of packaged accessories and installation parts.

Installation and Servicing Tools for R410A

Comparison of tools needed for R410A vs R22.

INDOOR UNIT

Indoor Unit Installation Location Requirements

Recommended placement criteria for the indoor unit.

Cutting Hole and Mounting Installation Plate

Procedures for preparing the mounting plate and wall.

Indoor Unit Installation Steps

Step-by-step guide for installing the indoor unit.

Concealed Installation Method for Indoor Unit

Special installation instructions for wall-recessed units.

OUTDOOR UNIT

Outdoor Unit Installation Location Requirements

Recommended placement criteria for the outdoor unit.

Installation Precautions for Cold Climates

Advice for installing in regions with snow and low temperatures.

Outdoor Unit Water Drainage Procedures

How to manage water drainage from the outdoor unit.

Refrigerant Piping Connection and Flaring

Guide to connecting refrigerant pipes and flaring techniques.

Evacuating the Refrigerant System

Process for removing air and moisture from the system.

Wiring Connection and Electrical Work

Guidelines for electrical connections and power supply.

OTHERS

Gas Leak Test Procedure

How to perform a gas leak test on the system.

Remote Control Selector Switch Settings

Configuring remote control selector switches.

Remote Control A-B Selection Method

Managing remote signals for separate indoor units.

Test Operation Procedure

Steps for performing a test run of the unit.

Auto Restart Function Configuration

Setting up and configuring the auto restart feature.

HOW TO DIAGNOSE THE TROUBLE

Precautions for Inverter Handling

Safety guidelines for working with the inverter.

Troubleshooting Diagnosis Overview

General approach to identifying and diagnosing faults.

Precautions for Control Section Inspection

Safety measures when inspecting the control board.

Initial Confirmation Checks for Operation

Verifying power supply and basic operational status.

Understanding Normal Operation Behaviors

Distinguishing normal functions from potential faults.

Primary Judgment Steps for Troubleshooting

Initial methods for fault diagnosis.

Troubleshooting Using Indoor Unit LED Indicators

Diagnosing faults by interpreting LED codes on the indoor unit.

Self-Diagnosis Using Remote Controller

Accessing diagnostic information via the remote controller.

Using Remote Controller in Service Mode

Steps to enter and operate the remote controller in service mode.

Servicing Cautions and Procedures

Safety measures and post-service steps.

Troubleshooting Check Codes

Detailed explanations of error codes and their causes.

Symptom-Based Troubleshooting - Indoor Unit

Diagnosing indoor unit issues based on observed symptoms.

Troubleshooting Indoor Fan Motor Operation

Specific steps for diagnosing indoor fan motor problems.

Indoor Fan Motor Auto-Rotation Troubleshooting

Diagnosing why the indoor fan motor starts automatically.

Troubleshooting Remote Control Issues

Diagnosing problems related to the remote control.

Wiring Failure Diagnosis (Interconnecting and Serial Signal)

Troubleshooting issues with interconnecting and serial signal wires.

Check Code 1C and 1E Diagnosis Procedures

Specific troubleshooting steps for error codes 1C and 1E.

HOW TO DIAGNOSE TROUBLE IN OUTDOOR UNIT

Summarized Inverter Assembly Diagnosis

Overview of diagnosing the outdoor unit's inverter assembly.

HOW TO CHECK SIMPLY THE MAIN PARTS

Checking the Indoor Unit P.C. Board

Procedure for inspecting the indoor unit's P.C. board.

Component Check Procedures

Step-by-step checks for various electronic parts.

P.C. Board Layout Diagram

Visual layout of components on the P.C. board.

Indoor Unit Parts Resistance Checking

Resistance measurements for indoor sensors and motors.

Outdoor Unit Parts Resistance Checking

Resistance measurements for outdoor components.

Judging Outdoor Fan Motor Health

Methods to determine the condition of the outdoor fan motor.

HOW TO REPLACE THE MAIN PARTS

Front Panel Replacement Procedure

Steps for removing and replacing the front panel.

Electrical Parts Box (E-box) Replacement

Steps for replacing the E-box assembly.

Heat Exchanger and Louver Replacement

Procedures for replacing the heat exchanger and louvers.

Louver Base, Bell Mouth, and Drain Pan Replacement

Steps for replacing these specific components.

Turbo Fan and Fan Motor Replacement

Procedures for replacing the turbo fan and fan motor.

Fan Motor Replacement Details

Additional steps for fan motor replacement.

Microcomputer Replacement Procedure

Steps for replacing the microcomputer.

OUTDOOR UNIT

Outdoor Unit Detachment and Attachment Steps

General disassembly and reassembly steps for the outdoor unit.

Front Cabinet Replacement (Outdoor Unit)

Steps for replacing the front cabinet.

Inverter Assembly Replacement Procedure

Steps for replacing the inverter assembly.

Control Board Assembly Replacement Procedure

Steps for replacing the control board assembly.

Side Cabinet and Fan Motor Replacement

Steps for replacing side cabinet and fan motor.

Compressor and Reactor Replacement

Steps for replacing the compressor and reactor.

Electronic Expansion Valve Coil and Fan Guard Replacement

Steps for replacing the expansion valve coil and fan guard.

Sensor Replacement Procedures (TE, TS, TD, TO)

Instructions for installing temperature sensors.

Temperature Sensor Replacement Parts and Notes

Details on replacement parts and important notes for sensors.

OUTDOOR UNIT (RAS-18SAV-E)

Outdoor Unit Detachment and Attachment (RAS-18SAV-E)

Disassembly and assembly steps for the RAS-18SAV-E model.

Front Cabinet Replacement (RAS-18SAV-E)

Steps for replacing the front cabinet on this model.

Inverter Assembly Replacement (RAS-18SAV-E)

Steps for replacing the inverter assembly on this model.

Control Board Assembly Replacement (RAS-18SAV-E)

Steps for replacing the control board assembly on this model.

Side Cabinet and Fan Motor Replacement (RAS-18SAV-E)

Steps for replacing side cabinet and fan motor on this model.

Compressor and Reactor Replacement (RAS-18SAV-E)

Steps for replacing the compressor and reactor on this model.

Electronic Expansion Valve Coil and Fan Guard Replacement (RAS-18SAV-E)

Steps for replacing valve coil and fan guard on this model.

Sensor Replacement Procedures (RAS-18SAV-E)

Instructions for installing temperature sensors for this model.

EXPLODED VIEWS AND PARTS LIST

Indoor Unit (1) Exploded View and Parts List

Diagram and list for indoor unit components.

Indoor Unit (E-Part) Exploded View and Parts List

Diagram and list for indoor unit electronic parts.

Outdoor Unit (RAS-10,13SAV2-E) Exploded View and Parts List

Diagram and list for outdoor unit components.

P.C. Board Layout (RAS-10, 13SAV2-E)

Diagram of PC board layout for specific models.

P.C. Board Layout (RAS-18SAV2-E)

Diagram of PC board layout for a specific model.

P.C. Board Layout (RAS-18SAV-E)

Diagram of PC board layout for a specific model.

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