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Toshiba RAS-13N3AV2-E User Manual

Toshiba RAS-13N3AV2-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-13N3AV2-E Specifications

General IconGeneral
BrandToshiba
ModelRAS-13N3AV2-E
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

General Public Use Power Cord Requirements

Power supply cord requirements for outdoor unit parts, specifying material and size.

New Refrigerant Air Conditioner Installation Precautions

Precautions for R410A refrigerant installation, handling, and material compatibility.

Installation Safety Warnings and Dangers

Critical safety measures and warnings regarding electrical shock, fire, and gas leaks during installation.

Specifications

Unit Specifications Table

Table detailing cooling/heating capacity, power, noise, dimensions, weight, and accessories.

Operation Characteristic Curves

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

Capacity Variation by Temperature Data

Graphs illustrating capacity change based on outdoor temperature for cooling and heating.

Refrigerant R410A Handling and Piping

Safety During Installation and Servicing R410A

Precautions for handling R410A refrigerant during installation and servicing.

Refrigerant Piping Installation Guidelines

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

Piping Material Processing and Flare Connections

Procedures for processing piping materials, flare connections, and tightening torques.

Required Tools for Installation

Required Tools for R410A Installation

Lists tools exclusive to R410A and their interchangeability with R22 tools.

Refrigerant Recharging Procedure

Refrigerant Charging Steps and Configuration

Step-by-step guide on how to recharge refrigerant using equipment and system configuration.

Brazing of Pipes

Brazing Materials and Flux Types

Details on brazing fillers (silver, phosphor bronze) and flux types and their necessity.

Brazing Method and Oxidation Prevention

Procedures for brazing, including preventing oxidation with nitrogen gas.

Construction Views

Indoor Unit Construction Diagram and Dimensions

Exploded view and dimensional details of the indoor unit and accessories.

Outdoor Unit Construction Diagram and Dimensions

Exploded view and dimensional details of the outdoor unit.

Wiring Diagram

System Wiring Diagram

Schematic showing electrical connections between indoor and outdoor units and components.

Specifications of Electrical Parts

Indoor Unit Electrical Parts Specifications

List of electrical components for the indoor unit with their specifications.

Outdoor Unit Electrical Parts Specifications

List of electrical components for the outdoor unit with their specifications.

Refrigerant Cycle Diagram

Refrigerant Cycle Diagram (Models RAS-B10/10N3KV2-E/AV2-E)

Schematic showing the refrigerant flow for specific models.

Refrigerant Cycle Diagram (Models RAS-B13/13N3KV2-E/AV2-E)

Schematic showing the refrigerant flow for specific models.

Operation Data

Cooling and Heating Operation Data

Table showing temperature conditions, pressure, and speed for cooling/heating.

Control Block Diagram

Indoor Unit Control Block Diagram

Block diagram showing the indoor unit's control functions and components.

Outdoor Unit Control Block Diagram

Block diagram illustrating the outdoor unit's control functions and components.

9. Operation Description

Air Conditioner Control Overview

General description of how the air conditioner control system operates.

Operation Modes and Auto Restart Function

Introduces various operation modes and details the auto restart function.

Basic, AUTO, and DRY Operation Controls

Covers basic, cooling/heating, AUTO, and DRY operations.

DRY Operation and Fan Control Basics

Details DRY operation and introduces indoor fan motor control.

Indoor Fan Motor Control (Cooling Operation)

Explains fan speed control for the indoor unit during cooling operation.

Indoor Fan Motor Control (Heating Operation)

Explains fan speed control for the indoor unit during heating operation.

Capacity Control and Current Release Protection

How capacity is adjusted and current release control protects the inverter.

Indoor Heat Exchanger Temperature Protection

Protective control based on indoor heat exchanger temperature in cooling/heating.

Defrost Control in Heating Operation

How defrost operation is performed to remove frost from the outdoor heat exchanger.

ECO Operation and Temporary Operation Modes

Energy-saving ECO mode and temporary operation using the RESET button.

Discharge Temperature and PMV Control Functions

Controls compressor speed based on discharge temp and PMV operation.

Pulse Modulating Valve (PMV) Control Details

Controls the throttle amount of refrigerant using pulse modulation.

Self-Cleaning Function and Its Operation

Minimizes mold/bacteria growth by drying the indoor unit after operation.

Remote Control A-B Selection and Special Modes

Remote selection and modes like QUIET, COMFORT SLEEP.

Comfort Sleep, One-Touch, and Quiet Mode Operations

Details on Comfort Sleep, One-Touch, and Quiet modes.

Hi-POWER Mode and Filter Maintenance Indicator

Hi-POWER operation and filter maintenance indicator.

Auto Restart Function Setup and Management

Step-by-step guide to set, cancel, and operate the auto restart feature.

Remote Control Push Button Functions and Operations

Explains button functions and basic operation modes via remote.

Remote Control Operation Modes: Specific Functions

Details for One-Touch, Automatic, and Cooling/Heating/Fan Only operations.

Remote Control Operation Modes: Additional Functions

Instructions for Dry, Hi-Power, ECO, Temporary, and Timer operations.

Remote Control Operation Modes: Preset and Sleep Functions

How to set preset, auto restart, quiet, and comfort sleep modes via remote.

Remote Control Display Indicators and Symbols Guide

Explains the various indicators and symbols shown on the remote control display.

10. Installation Procedure

Indoor and Outdoor Unit Installation Diagram

Visual guide for installing indoor and outdoor units, including placement and clearances.

Optional Installation Parts and Accessories

Lists and describes optional parts, accessories, and installation items.

Accessory and Installation Parts List

Lists all included accessories and installation parts with their part numbers.

Installation and Servicing Tool Requirements

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

Indoor Unit Installation Placement and Remote Control

Covers installation location, cutting holes, and remote control placement.

Indoor Unit Wiring and Remote Controller Connection

Guides for indoor unit wiring and wired remote controller setup.

Piping and Drain Hose Installation Procedures

Details on forming pipes, connecting drain hoses, and related parts.

Piping and Drain Hose Fitting Techniques

Specific methods for fixing drain caps and connecting pipes in different configurations.

Outdoor Unit Installation Location and Piping

Covers installation location, refrigerant piping, flaring, and tightening.

Refrigerant Piping Connection and Tightening

Details on flaring dimensions, pipe types, and tightening connections.

Evacuating Air from the System

Steps for evacuating air from the system using a vacuum pump.

Electrical Work and Unit Wiring Connections

Instructions for power supply connection and wiring between units.

Additional Installation Procedures: Leak Test and Remote Selection

Includes gas leak testing and remote control A-B selection.

Test Operation and Auto Restart Configuration

How to perform a test run and configure the auto restart function.

11. How to Diagnose the Trouble

Troubleshooting Procedures Overview

General procedures for diagnosing and troubleshooting the unit.

Initial Troubleshooting: Power and LED Indicators

Covers power supply, voltage, and LED indicators for initial diagnosis.

Indoor Unit LED Flashing Diagnosis Codes

Interprets LED flashing patterns for self-diagnosis of unit status.

Remote Controller Self-Diagnosis and Service Mode

How to use the remote controller in service mode to diagnose faults via check codes.

Servicing Cautions and Check Code Reference

Cautions during servicing and detailed check code explanations for diagnosis.

Troubleshooting Check Codes and Action Tables

Table listing check codes, causes, and recommended actions for troubleshooting.

Symptom-Based Troubleshooting: Indoor Unit Power Issues

Diagnosing issues when the indoor unit does not operate or has power issues.

Indoor Unit Power Issues After P.C. Board Replacement

Troubleshooting steps if power issues persist after P.C. board replacement.

Indoor Fan Motor Operation Troubleshooting

Diagnosing issues specific to the indoor fan motor not operating.

Indoor Fan Motor Inspection Procedures

Procedures for inspecting the indoor fan motor, including resistance checks.

Remote Control Troubleshooting Flowchart

Flowchart for diagnosing issues with the remote control and its operation.

Wiring Failure Troubleshooting Guide

Diagnosing issues related to interconnecting and serial signal wire failures.

Checking Main Components and Parts

Procedures for checking key components like pulse motor valve and sensors.

Outdoor Unit Inverter and System Diagnosis

Summarized diagnosis procedures for the outdoor unit's inverter assembly.

Indoor Unit P.C. Board Inspection Procedures

Precautions and procedures for checking the indoor unit's P.C. board.

Indoor P.C. Board Detailed Check Procedures

Detailed checks for the indoor unit's P.C. board, including voltage and component checks.

P.C. Board Layout and Sensor Characteristic Data

Diagram of the P.C. board and table of sensor resistance vs. temperature.

Checking Other Indoor and Outdoor Unit Parts

Procedures for checking indoor/outdoor unit parts like sensors, motors, and coils.

Checking Specific Components: Capacitors and Converters

Methods for checking electrolytic capacitors and converter modules.

Judging Outdoor Fan Motor Health

How to determine if the outdoor fan motor is functioning correctly.

12. How to Replace the Main Parts

Indoor Unit: Front Panel Replacement

Step-by-step instructions for removing and replacing the front panel of the indoor unit.

Indoor Unit: Electric Parts Box Replacement

Procedures for removing and replacing the electric parts box assembly.

Indoor Unit: Louver and Evaporator Replacement

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

Indoor Unit: Bearing Replacement Procedures

Instructions for removing and replacing the bearing.

Indoor Unit: Fan Motor Replacement Steps

Procedures for removing and replacing the fan motor.

Indoor Unit: Cross Flow Fan Installation

Steps for installing and positioning the cross flow fan.

Indoor Unit: Microcomputer Replacement Guide

Steps for replacing the microcomputer and related parts.

Outdoor Unit Replacement Procedures: Detachment and Attachment

Steps for detaching and attaching the outdoor unit components.

Outdoor Unit: Front Cabinet Replacement Steps

Procedures for removing and attaching the front cabinet of the outdoor unit.

Outdoor Unit: Inverter Assembly Replacement Guide

Steps for replacing the inverter assembly, including discharging.

Outdoor Unit: Control Board Assembly Replacement

Procedures for disconnecting and replacing the control board assembly.

Outdoor Unit: Side Cabinet and Fan Motor Replacement

Steps for replacing side cabinets and the fan motor.

Outdoor Unit: Compressor and Reactor Replacement

Procedures for replacing the compressor and reactor.

Outdoor Unit: Expansion Valve Coil and Fan Guard Replacement

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

Outdoor Unit: Temperature Sensor Replacement

Instructions for installing and replacing temperature sensors (TE, TS, TD, TO).

Temperature Sensor Replacement for Servicing

Detailed procedure for replacing temperature sensors for servicing purposes.

13. Exploded Views and Parts List

Indoor Unit Parts List and Exploded View

Exploded view and list of parts for the indoor unit.

Indoor Unit Exploded Component Views

Detailed exploded views of various indoor unit components.

Outdoor Unit Exploded Component Views

Exploded views of the outdoor unit and its components with part numbers.

P.C. Board Layout Diagrams

Diagrams showing the layout of P.C. boards and associated components.

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