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Toshiba RAS-22N3KV-E User Manual

Toshiba RAS-22N3KV-E
108 pages
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R410A
FILE NO. SVM-12071
SERVICE MANUAL
September, 2012
SPLIT TYPE
Indoor Unit Outdoor Unit
RAS-18N3KV-E RAS-18N3AV-E
RAS-22N3KV-E RAS-22N3AV-E
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Table of Contents

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Toshiba RAS-22N3KV-E Specifications

General IconGeneral
TypeSplit System
Cooling Capacity2.2 kW
Heating Capacity2.5 kW
RefrigerantR410A
Power Supply220-240V, 50Hz
Outdoor Unit Dimensions (W x H x D)660 x 530 x 240 mm
Indoor Unit Weight9 kg
Noise Level (Outdoor)48 dB(A)

Summary

Safety Precautions

General Public Use Power Cord Requirements

Power supply cord requirements for outdoor appliance use.

General Installation Cautions

Important safety notes for installing new refrigerant air conditioners.

Installation Hazard Warnings

Critical safety warnings regarding electrical shock, fire, and explosion risks.

Refrigerant R410A

Safety During Installation and Servicing

Precautions for handling R410A refrigerant due to its high pressure.

Refrigerant Piping Installation

Guidelines for selecting and installing piping materials and joints for R410A.

Construction Views

Indoor Unit Construction

Detailed diagrams and dimensions of the indoor air conditioner unit components.

Outdoor Unit Construction

Detailed diagrams and dimensions of the outdoor air conditioner unit components.

Wiring Diagram

Indoor and Outdoor Unit Wiring

Comprehensive schematic showing electrical connections between indoor and outdoor units.

Specifications of Electrical Parts

Indoor Unit Electrical Parts

Specifications for components within the indoor unit, like sensors and motors.

Outdoor Unit Electrical Parts

Specifications for components within the outdoor unit, including compressor and fan motors.

Refrigerant Cycle Diagram

Refrigerant Cycle Diagram Details

Schematic illustrating the flow of refrigerant through the air conditioning system.

Control Block Diagram

Indoor Unit Control Block

Diagram showing the control logic and signal flow for the indoor unit.

Outdoor Unit Control Block

Diagram illustrating the control logic and signal flow for the outdoor unit.

Operation Description

Outline of Air Conditioner Control

Overview of the control system and the roles of indoor/outdoor units.

Basic Operation

Details on how to start, stop, and control the air conditioner's basic functions.

Auto Restart Function

How to Set Auto Restart Function

Procedure to enable the automatic restart feature after power interruption.

How to Cancel Auto Restart Function

Procedure to disable the automatic restart feature.

Remote Control

Remote Controller Functions

Identification and functions of buttons and indicators on the remote controller.

Operation of Remote Control

Instructions for basic operations like ONE-TOUCH, AUTO, and mode selection.

Installation Procedure

Installation Diagram of Indoor and Outdoor Units

Visual guide for positioning and mounting indoor and outdoor units.

Indoor Unit Installation

Steps and considerations for installing the indoor unit, including placement.

Outdoor Unit Installation

Guidelines for selecting the installation location and precautions for the outdoor unit.

Drainage Installation

Procedures for correctly installing the drain hose for proper water removal.

How to Diagnose the Trouble

First Confirmation and Basic Checks

Initial checks for power supply, voltage, and normal operation modes.

Judgment by Flashing LED of Indoor Unit

Interpreting indoor unit LED indicators for self-diagnosis and error codes.

Self-Diagnosis by Remote Controller

Using the remote controller in service mode to diagnose faults and check codes.

Wiring Failure Diagnosis

Troubleshooting guide for issues related to interconnecting and serial signal wires.

How to Check Simply the Main Parts

Indoor Unit P.C. Board Check

Procedures for checking the indoor unit's main P.C. board for defects.

Troubleshooting Remote Controller

Diagnostic steps to identify and resolve issues with the remote controller.

Outdoor Fan Motor Check

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

How to Replace the Main Parts

Indoor Unit Parts Replacement Procedures

Step-by-step instructions for replacing major components of the indoor unit.

Outdoor Unit Parts Replacement Procedures

Procedures for detaching and attaching main parts of the outdoor unit.

Exploded Views and Parts List

Indoor Unit Parts List

Detailed breakdown of components for the indoor unit with part numbers.

Outdoor Unit Parts List

Detailed breakdown of components for the outdoor unit with part numbers.

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