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Toshiba RAS-10N3AV2-E User Manual

Toshiba RAS-10N3AV2-E
105 pages
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R410A
SERVICE MANUAL
SPLIT TYPE
Indoor Unit Outdoor Unit
<High Wall, Heat Pump Type> <Heat Pump Type>
Revised on May, 2014
FILE NO. SVM-12050-1
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RAS-B13N3KV2-E RAS-13N3AV2-E
RAS-B10N3KV2-E RAS-10N3AV2-E

Table of Contents

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Toshiba RAS-10N3AV2-E Specifications

General IconGeneral
BrandToshiba
ModelRAS-10N3AV2-E
CategoryAir Conditioner
LanguageEnglish

Summary

1. SAFETY PRECAUTIONS

General Public Power Cord Requirements

Requirements for power supply cord for outdoor units.

R410A Refrigerant Installation Precautions

Warnings regarding R410A refrigerant during installation.

Critical Safety Warnings

DANGER and WARNING statements for installation and operation.

Installation Work Safety

Warnings and precautions for installation work, tools, wiring, and earthing.

General Installation Cautions

Cautions regarding unit placement, water exposure, damage, and user explanation.

2. SPECIFICATIONS

Detailed Model Specifications

Technical specifications for indoor and outdoor units, including capacity, power, noise, dimensions.

Operation Characteristic Curves

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

Capacity Variation by Temperature

Graphs illustrating capacity changes based on outdoor temperature.

3. REFRIGERANT R410A

R410A Installation and Servicing Safety

Safety rules for handling R410A during installation and servicing.

Refrigerant Piping Installation and Processing

Guidelines for piping materials, processing, flare dimensions, and connections.

Required Tools for R410A Installation

Lists tools exclusive to R410A and general tools needed for installation.

Refrigerant Recharging Procedure

Steps for charging the correct amount of refrigerant, including vacuuming.

Brazing of Pipes - Materials and Procedures

Describes brazing fillers, flux, and methods to prevent oxidation.

4. CONSTRUCTION VIEWS

Indoor Unit Construction

Exploded view and dimensions of the indoor unit, including accessories.

Outdoor Unit Construction

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

5. WIRING DIAGRAM

Electrical Wiring Schematic

Diagram illustrating the electrical connections between components of the air conditioner.

6. SPECIFICATIONS OF ELECTRICAL PARTS

Indoor Unit Electrical Components

Lists parts and their specifications for the indoor unit.

Outdoor Unit Electrical Components

Lists parts and their specifications for the outdoor unit.

7. REFRIGERANT CYCLE DIAGRAM

Refrigerant Flow Diagram

Illustrates the refrigerant cycle for cooling and heating operations.

Cooling and Heating Operation Data

Provides operational data for cooling and heating modes at specific temperatures.

8. CONTROL BLOCK DIAGRAM

Indoor Unit Control Logic

Block diagram showing the control functions and signals for the indoor unit.

Outdoor Unit Control Logic

Block diagram showing the control functions and signals for the outdoor unit.

9. OPERATION DESCRIPTION

Air Conditioner Control Overview

General explanation of the air conditioner's control system and components.

Basic Operation Control

Describes how user conditions are received and units are controlled.

Cooling, Heating, Auto, and Dry Operations

Details on how cooling, heating, auto, and dry modes operate.

Indoor Fan Motor Control

Explains indoor fan speed control in cooling mode.

Indoor Fan Motor Control (Heating) & Cold Draft Prevention

Explains indoor fan speed control in heating mode and cold draft prevention.

Outdoor Fan Motor Control

Details outdoor fan speed control based on temperature and compressor speed.

Capacity and Current Release Control

Explains capacity adjustment and current release control for inverter protection.

Indoor Heat Exchanger Temperature Control

Controls compressor speed to prevent freezing or over-pressure.

Defrost Control (Heating Operation)

Procedure to remove frost from the outdoor heat exchanger.

Louver Control Functions

Controls air direction via position, adjustment, and swing functions.

ECO Operation Mode

Energy-saving operation mode that adjusts temperature and fan speed.

Temporary Operation and Discharge Control

Procedures for temporary operation and discharge temp. control for error detection.

Pulse Modulating Valve (PMV) Control

Controls refrigerant flow by adjusting the valve opening degree.

Self-Cleaning Function

Minimizes mold and bacteria growth by drying the interior.

Remote Control A-B Selection

Guides for separating remote control for multiple indoor units.

Quiet, Comfort Sleep, and One-Touch Modes

Explains quiet, comfort sleep, and one-touch operation modes.

Hi-Power Mode and Filter Indicator

Details Hi-POWER mode and filter cleaning indicator function.

9-3. AUTO RESTART FUNCTION

Setting the Auto Restart Function

Instructions on how to enable the automatic restart feature after power loss.

Canceling Auto Restart and Power Failure Impact

Procedures to cancel auto restart and notes on power failure during timer operation.

9-4. REMOTE CONTROL

Remote Control Button Functions

Identifies and describes the functions of each button on the remote controller.

Remote Control Operations

Explains how to use the remote for One-Touch, Auto, and mode selection operations.

Remote Operations: Dry, Hi-Power, ECO, Temp, Timer

Details remote operations for Dry, Hi-Power, ECO, Temporary, and Timer functions.

Remote Operations: Preset, Auto Restart, Quiet, Sleep

Explains remote operations for Preset, Auto Restart, Quiet, and Comfort Sleep modes.

Remote Control Display Indicators

Explains the meaning of various icons and indicators on the remote control display.

10. INSTALLATION PROCEDURE

Indoor and Outdoor Unit Installation Diagram

Diagram showing the general layout for installing indoor and outdoor units.

Optional Installation Parts and Outdoor Unit Fixing

Lists optional parts and details on securing the outdoor unit.

Accessory and Installation Parts List

Comprehensive list of all included accessories and installation components.

Tools for R410A Installation and Servicing

Describes new tools required for R410A and changes from R22 tools.

10-3. INDOOR UNIT INSTALLATION

Indoor Unit Installation Location

Guidelines for selecting the optimal placement for the indoor unit.

Installation Plate Mounting and Hole Cutting

Instructions for drilling holes and mounting the installation plate.

Indoor Unit Wiring Connection

Step-by-step instructions for connecting the indoor unit's wiring.

Wired Remote Controller Connection

Instructions for connecting the remote controller for wired operation.

Piping and Drain Hose Installation Procedures

Procedures for forming pipes and installing the drain hose.

10-4. OUTDOOR UNIT INSTALLATION

Outdoor Unit Installation Location

Guidelines for selecting the optimal placement for the outdoor unit.

Refrigerant Piping Flare Connection

Instructions for connecting refrigerant pipes using the flare method.

Flare Connection Tightening

Details on tightening flare nuts and connections using a torque wrench.

Evacuating and Air Purging

Procedure for removing air from the system using a vacuum pump.

Electrical Work and Wiring Connection

Requirements for power supply and connecting cables for the outdoor unit.

10-5. OTHERS

Gas Leak Test

Procedure for checking refrigerant gas leaks using detector or soap water.

Remote Control A-B Signal Separation

Method to prevent interference when using multiple remotes.

Test Operation and Auto Restart Setting

Instructions for test operation and setting the auto restart function.

11. TROUBLESHOOTING PROCEDURES

Initial Confirmation and Precautions

Checks for normal power, voltage, non-trouble states, and inverter safety.

Diagnostic Methods and Codes

Uses LED codes, remote controller service mode, and diagnostic codes for fault identification.

Symptom-Based Troubleshooting

Diagnoses issues based on symptoms like no power, fan failure, wiring, or remote control problems.

Main Parts Checking

Procedures for checking main parts, inverter, P.C. boards, sensors, and motors.

Outdoor Fan Motor Condition Check

Judging the outdoor fan motor's condition through resistance checks.

12. HOW TO REPLACE MAIN PARTS

Indoor Unit Component Replacement Procedures

Safety and steps for replacing indoor unit parts like panel, motor, and evaporator.

Microcomputer Replacement

Procedure for replacing the microcomputer and related parts.

Outdoor Unit Component Replacement Procedures

Safety and steps for replacing outdoor unit parts like cabinets, inverter, control board, and compressor.

13. EXPLODED VIEWS AND PARTS LIST

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

Diagram showing disassembled indoor unit parts with corresponding part numbers.

Indoor Unit Exploded View and Parts List

Detailed diagram of disassembled indoor unit components with part numbers.

Outdoor Unit Exploded View and Parts List

Diagram showing disassembled outdoor unit parts with corresponding part numbers.

P.C. Board Layout

Diagram illustrating the layout of components on the P.C. board.

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