EasyManua.ls Logo

Toshiba RAS-18SAV2-E User Manual

Toshiba RAS-18SAV2-E
127 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
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

Question and Answer IconNeed help?

Do you have a question about the Toshiba RAS-18SAV2-E and is the answer not in the manual?

Toshiba RAS-18SAV2-E Specifications

General IconGeneral
BrandToshiba
ModelRAS-18SAV2-E
CategoryAir Conditioner
LanguageEnglish

Summary

1. SAFETY PRECAUTIONS

Safety Symbols and Installation Precautions

Explains safety symbols, marks, and R410A installation precautions.

General Safety Warnings

Covers power disconnection, electrical safety, and installation dangers.

2. SPECIFICATIONS

Unit Specifications Overview

Provides detailed specifications for indoor and outdoor units.

Operation Characteristics and Data

Graphs showing compressor speed, current, and capacity variation.

3. REFRIGERANT R410A

R410A Safety and Installation

Essential safety precautions for handling R410A refrigerant during installation and servicing.

Piping Installation, Materials, and Tools

Details piping installation, materials, joints, processing, and required tools for R410A.

Refrigerant Recharging and Brazing Procedures

Covers refrigerant recharging, charging notes, and brazing methods/materials.

4. CONSTRUCTION VIEWS

Indoor Unit Construction Details

Exploded view and dimensions of the indoor unit.

Outdoor Unit Construction and Installation Dimensions

Exploded view, dimensions, and installation dimensions of the outdoor unit.

5. WIRING DIAGRAM

Wiring Diagrams for Specific Models

Provides wiring diagrams for different indoor and outdoor unit model combinations.

6. SPECIFICATIONS OF ELECTRICAL PARTS

Indoor and Outdoor Unit Electrical Parts

Lists electrical component specifications for both indoor and outdoor units.

7. REFRIGERANT CYCLE DIAGRAM

Refrigerant Cycle Diagrams for Specific Models

Diagrams showing the refrigerant flow for different indoor/outdoor unit models.

Operation Data (Cooling and Heating)

Provides cooling and heating operation data based on temperature conditions.

8. CONTROL BLOCK DIAGRAM

Indoor and Outdoor Unit Control Block Diagrams

Block diagrams illustrating the control systems of the indoor and outdoor units.

9. OPERATION DESCRIPTION

9-1. Air Conditioner Control System Overview

Overview of the air conditioner's control system, controllers, and signal communication.

9-2. Detailed Operation Functions

Covers basic operation, fan control, capacity, protective functions, special modes, and remote control.

9. OPERATION DESCRIPTION

9-3. Auto Restart Function

Configuration and management of the auto-restart function.

9. OPERATION DESCRIPTION

9-4. Remote Control

Information about remote control functions, operation, and display indicators.

9. OPERATION DESCRIPTION

9-5. Indoor Unit Display and Operation Panel

Explains the indoor unit's display and operation panel controls.

10. INSTALLATION PROCEDURE

Unit Installation Diagrams and Spacing Requirements

Illustrates placement and spacing for indoor and outdoor unit installation.

Optional Installation Parts and Tools

Lists optional parts and tools for installation.

Included Accessories and Installation Parts

Details included accessories and installation parts.

R410A Installation and Servicing Tools

Highlights tool changes required for R410A compared to R22.

10. INSTALLATION PROCEDURE

Indoor Unit Installation Procedures

Instructions for selecting indoor unit location, cutting holes, piping, drainage, and wiring.

10. INSTALLATION PROCEDURE

Indoor Unit Mounting Methods

Instructions for direct mounting, wall mounting, and concealed installation.

10. INSTALLATION PROCEDURE

Outdoor Unit Installation Place and Cold Climate Precautions

Guidelines for outdoor unit placement and precautions for cold climates.

Refrigerant Piping Connection (Flaring)

Procedures for connecting refrigerant piping using flaring.

10. INSTALLATION PROCEDURE

Evacuating and Electrical Work Procedures

Procedures for system evacuation and electrical wiring.

10. INSTALLATION PROCEDURE

Gas Leak Test and Remote Control Setup

Performing gas leak tests and setting up remote control modes.

11. HOW TO DIAGNOSE THE TROUBLE

Troubleshooting Overview and Inverter Safety

General troubleshooting approach and safety precautions for the inverter.

Inspecting Outdoor Unit Control Section Safety

Safety measures when inspecting the outdoor unit's control section, including capacitor discharging.

Initial Confirmation Checks

Steps for confirming power, voltage, and normal program operation.

Primary Judgment and LED Flashing Codes

Methods for initial troubleshooting and interpretation of indoor unit LED flashing codes.

Self-Diagnosis Using Remote Controller

Procedure for using the remote controller in service mode for self-diagnosis.

Troubleshooting Check Codes and Actions

Detailed table of check codes, causes, and recommended troubleshooting actions.

Troubleshooting Actions for Various Errors

Further troubleshooting actions for inverter, sensor, and fan motor errors.

Troubleshooting Serial Signal and Compressor Issues

Troubleshooting for serial signal errors, compressor issues, and temperature sensor faults.

Indoor Unit Power and PC Board Troubleshooting

Diagnosing problems related to indoor unit power and PC board defects.

Indoor Fan Motor Troubleshooting

Diagnosing issues with the indoor fan motor operation.

Indoor Fan Motor Auto-Rotation Troubleshooting

Diagnosing why the indoor fan motor might rotate automatically on power-up.

Remote Control Troubleshooting

Diagnosing common problems related to the remote control and its communication.

Wiring Failure Diagnosis

Troubleshooting issues related to interconnecting and serial signal wiring between units.

Diagnosis for Check Codes 1C and 1E

Diagnosing miswiring and specific sensor errors (1C, 1E).

Outdoor Unit Inverter Diagnosis

Summarized inner diagnosis of the outdoor unit inverter assembly.

Checking Main Parts: Indoor PC Board

Procedures for checking the indoor PC board and its components for defects.

PC Board and Component Check Procedures

Detailed check procedures for PC board components and compressor.

PC Board Layout and Sensor Characteristics

PC board layout diagram and sensor resistance vs. temperature table.

Checking Indoor and Outdoor Unit Components

Resistance checks for various indoor and outdoor unit components like motors and coils.

Checking Specific Components: Capacitors, Diodes, Sensors

Checking methods for capacitors, diodes, and temperature sensors.

Judging Outdoor Fan Motor Condition

Simple method to determine if the outdoor fan motor is good or bad.

12. HOW TO REPLACE THE MAIN PARTS

General Replacement Precautions and Warnings

Safety warnings and general procedures before replacing parts.

Replacing Indoor Unit Electrical Parts (E-box)

Step-by-step guide to replace the indoor unit's electrical parts box.

Replacing Indoor Unit Heat Exchanger and Louver

Procedures for replacing the indoor unit's heat exchanger and horizontal louver.

Replacing Indoor Unit Louver Base and Bell Mouth

Procedures for replacing the indoor unit's louver base and bell mouth.

Replacing Indoor Unit Fan Motor Components

Procedures for replacing the indoor unit's turbo fan and fan motor.

Replacing Indoor Unit Microcomputer

Procedure for replacing the indoor unit's microcomputer and related components.

Replacing Outdoor Unit Cabinet and Water-Proof Cover

Procedures for detaching and attaching the outdoor unit's cabinet and water-proof cover.

Replacing Outdoor Unit Front Cabinet

Procedures for detaching and attaching the outdoor unit's front cabinet.

Replacing Outdoor Unit Inverter Assembly

Procedures for replacing the outdoor unit's inverter assembly, including safety precautions.

Replacing Outdoor Unit Control Board Assembly

Procedures for replacing the outdoor unit's control board assembly.

Replacing Outdoor Unit Side Cabinet and Fan Motor

Procedures for replacing the outdoor unit's side cabinets and fan motor.

Replacing Outdoor Unit Compressor and Reactor

Procedures for replacing the outdoor unit's compressor and reactor.

Replacing Expansion Valve Coil and Fan Guard

Procedures for replacing the expansion valve coil and fan guard.

Replacing Temperature Sensors

Procedures for replacing various temperature sensors.

Temperature Sensor Service Parts

Details on common service parts for sensor replacement.

13. EXPLODED VIEWS AND PARTS LIST

Indoor Unit Exploded View and Parts List

Exploded view and parts list for the indoor unit.

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

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

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

Exploded view and parts list for the outdoor unit (RAS-10,13SAV2-E).

Outdoor Unit (RAS-18SAV2-E) Exploded View and Parts List

Exploded view and parts list for the outdoor unit (RAS-18SAV2-E).

PC Board Layout and Parts List (RAS-10, 13SAV2-E)

Exploded view and parts list for the PC board (RAS-10, 13SAV2-E).

PC Board Layout and Parts List (RAS-18SAV2-E)

Exploded view and parts list for the PC board (RAS-18SAV2-E).

PC Board Layout and Parts List (RAS-18SAV-E)

Exploded view and parts list for the PC board (RAS-18SAV-E).

Related product manuals