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Toshiba RAS-22N3KV2-A User Manual

Toshiba RAS-22N3KV2-A
109 pages
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R410A
SERVICE MANUAL
SPLIT TYPE
Indoor Unit Outdoor Unit
<High Wall, Heat Pump Type> <Heat Pump Type>
RAS-22N3KV2-A RAS-22N3AV2-A
January, 2013
FILE NO. SVM-13003

Table of Contents

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Toshiba RAS-22N3KV2-A Specifications

General IconGeneral
Cooling Capacity2.2 kW
Heating Capacity2.5 kW
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Power Supply220-240V, 50Hz
RefrigerantR410A
Indoor Unit Weight9 kg
Noise Level (Outdoor)50 dB(A)
TypeSplit System

Summary

Safety Precautions

Specifications

Operation Characteristic Curve

Displays operational current vs. compressor speed for cooling and heating.

Capacity Variation Ratio According to Temperature

Shows how cooling/heating capacity changes with outdoor temperature.

Refrigerant R410A

Safety During Installation/Servicing

Essential precautions for handling R410A refrigerant during installation and servicing.

Refrigerant Piping Installation

Guidelines for selecting and installing pipes and joints suitable for R410A.

Tools

Lists required and general tools for R410A system installation and servicing.

Recharging of Refrigerant

Step-by-step procedure for correctly recharging refrigerant into the system.

Brazing of Pipes

Details on materials, flux, and methods for brazing refrigerant pipes.

Construction Views

Indoor Unit

Exploded view and dimensions of the indoor unit components.

Outdoor Unit

Exploded view and dimensions of the outdoor unit components.

Wiring Diagram

Indoor Unit / Outdoor Unit Wiring Diagram

Comprehensive wiring diagram showing connections between indoor and outdoor units.

Specifications of Electrical Parts

Indoor Unit Electrical Parts

Lists types and specifications for indoor unit electrical components.

Outdoor Unit Electrical Parts

Lists types and specifications for outdoor unit electrical components.

Refrigerant Cycle Diagram

Refrigerant Cycle Diagram

Visual representation of the refrigerant flow and key components in the system.

Operation Data

Performance data under specific cooling and heating conditions.

Control Block Diagram

Indoor Unit Control Block Diagram

Diagram illustrating the control logic and components of the indoor unit.

Outdoor Unit Control Block Diagram

Diagram illustrating the control logic and components of the outdoor unit.

Operation Description

Outline of Air Conditioner Control

Overview of the capacity-variable system and control hierarchy.

Operation Description

Detailed explanation of various operating modes and functions.

Auto Restart Function

How to set, cancel, or manage the auto restart feature after power failure.

Remote Control Operations

Explains functions and operation of the remote controller.

Installation Procedure

Installation Diagram of Indoor and Outdoor Units

Visual guide showing placement and connection points for units.

Installation Steps and Parts

Covers optional parts, accessories, tools, and general installation steps.

Indoor Unit Installation

Detailed procedures for installing the indoor unit, including mounting and wiring.

Outdoor Unit Installation

Procedures and precautions for installing the outdoor unit, including site selection.

Other Installation Procedures

Covers gas leak testing, remote control setup, and test operations.

How to Diagnose the Trouble

First Confirmation

Initial checks for power supply and voltage before troubleshooting.

Primary Judgment

Methods for initial troubleshooting, including LED indicators.

Judgment by Flashing LED of Indoor Unit

Interpreting LED error codes for diagnosing indoor unit issues.

Self-Diagnosis by Remote Controller (Check Code)

Using the remote controller to perform self-diagnosis and read error codes.

Judgement of Trouble by Every Symptom

Troubleshooting based on observed symptoms and unit behavior.

How to Diagnose Trouble in Outdoor Unit

Step-by-step guide to diagnosing issues specific to the outdoor unit.

How to Check Simply the Main Parts

Procedures for checking key components like P.C. boards and sensors.

How to Simply Judge Whether Outdoor Fan Motor is Good or Bad

Method to test the outdoor fan motor's functionality and condition.

How to Replace the Main Parts

Indoor Unit Parts Replacement

Procedures for replacing components of the indoor unit.

Outdoor Unit Parts Replacement

Procedures for replacing components of the outdoor unit.

Exploded Views and Parts List

Indoor Unit Exploded Views and Parts List

Visual breakdown and part numbers for the indoor unit.

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

Specific exploded view and parts list for certain indoor unit components.

Outdoor Unit Exploded Views and Parts List

Visual breakdown and part numbers for the outdoor unit.

Outdoor Unit (Part-E) Exploded Views and Parts List

Specific exploded view and parts list for certain outdoor unit components.

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