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Toshiba RAS-12UKPX3 - User Manual

Toshiba RAS-12UKPX3
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FILE NO. SVM-04004-3
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
RAS-13UKHP-E3 / RAS-13UAH-E3
RAS-10UKHP-E3 / RAS-10UAH-E3
RAS-13UKP-E3 / RAS-13UA-E3
RAS-10UKP-E3 / RAS-10UA-E3
RAS-13UKPX3 / RAS-13UAX3
RAS-10UKPX3 / RAS-10UAX3
RAS-12UKPX3 / RAS-12UAX3
RAS-07UKHP-E3 / RAS-07UAH-E3
RAS-07UKP-E3 / RAS-07UA-E3
RAS-07UKPX3 / RAS-07UAX3
Revised on Oct, 2005

Table of Contents

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Summary

Specifications

Construction Views

Indoor Unit

Detailed diagrams and dimensions of the indoor unit.

Outdoor Unit (Specific Models)

Diagrams and dimensions for specific outdoor unit models.

Outdoor Unit (Specific Models)

Diagrams and dimensions for specific outdoor unit models.

Wiring Diagram

RAS-13 UKHP-E3; RAS-13 UAH-E3

Wiring diagram for the RAS-13UKHP-E3/RAS-13UAH-E3 model.

RAS-10 UKHP-E3; RAS-10 UAH-E3

Wiring diagram for the RAS-10UKHP-E3/RAS-10UAH-E3 model.

RAS-07 UKHP-E3; RAS-07 UAH-E3

Wiring diagram for the RAS-07UKHP-E3/RAS-07UAH-E3 model.

RAS-13 UKP-E3; RAS-13 UA-E3 and related models

Wiring diagrams for RAS-13UKP-E3/RAS-13UA-E3 and related models.

RAS-10 UKP-E3; RAS-10 UA-E3 and related models

Wiring diagrams for RAS-10UKP-E3/RAS-10UA-E3 and related models.

RAS-07 UKP-E3; RAS-07 UA-E3 and related models

Wiring diagrams for RAS-07UKP-E3/RAS-07UA-E3 and related models.

Specification of Electrical Parts

Indoor Unit (Specific Models)

Electrical part specifications for various indoor unit models.

Outdoor Unit (RAS-13 UAH-E3)

Electrical part specifications for RAS-13UAH-E3 outdoor unit.

Outdoor Unit (RAS-10 UAH-E3)

Electrical part specifications for RAS-10UAH-E3 outdoor unit.

Outdoor Unit (RAS-07 UAH-E3)

Electrical part specifications for RAS-07UAH-E3 outdoor unit.

Indoor Unit (Multiple Models)

Electrical part specs for multiple indoor unit series.

Outdoor Unit (RAS-13 UA-E3)

Electrical part specs for RAS-13UA-E3 outdoor unit.

Outdoor Unit (RAS-13 UAX3, RAS-12 UAX3)

Electrical part specs for RAS-13UAX3/RAS-12UAX3 outdoor units.

Outdoor Unit (RAS-10 UA-E3)

Electrical part specs for RAS-10UA-E3 outdoor unit.

Outdoor Unit (RAS-07 UAX3)

Electrical part specs for RAS-07UAX3 outdoor unit.

Outdoor Unit (RAS-07 UA-E3)

Electrical part specs for RAS-07UA-E3 outdoor unit.

Refrigeration Cycle Diagram

RAS-13 UKHP-E3; RAS-13 UAH-E3

Refrigeration cycle diagram for RAS-13UKHP-E3/RAS-13UAH-E3.

RAS-10 UKHP-E3; RAS-10 UAH-E3

Refrigeration cycle diagram for RAS-10UKHP-E3/RAS-10UAH-E3.

RAS-07 UKHP-E3; RAS-07 UAH-E3

Refrigeration cycle diagram for RAS-07UKHP-E3/RAS-07UAH-E3.

RAS-13 UKP-E3; RAS-13 UA-E3 and related models

Refrigeration cycle diagrams for multiple models.

RAS-10 UKP-E3; RAS-10 UA-E3 and related models

Refrigeration cycle diagrams for multiple models.

RAS-07 UKP-E3; RAS-07 UA-E3 and related models

Refrigeration cycle diagrams for multiple models.

Control Block Diagram

Specific Heat Pump Models

Control block diagram for specific heat pump models.

Multiple Split Wall Models

Control block diagram for multiple split wall models.

Operation Description

Outline of Air Conditioner Control

Overview of the air conditioner's control system and functions.

Louver Control

Details on the operation and control of the air flow louver.

Indoor Fan Control

Explanation of indoor fan motor speed control.

Description of Operation Circuit

Detailed explanation of the operation circuit's functions.

Fan Only Operation

How the unit operates in fan-only mode.

Cooling Operation

How the unit operates in cooling mode.

Dry Operation

How the unit operates in dry mode.

Heating Operation

How the unit operates in heating mode.

Automatic Operation

How the unit operates in automatic mode.

Hi POWER Mode

Explanation of the Hi POWER mode operation.

High-Temperature Limit Control

Control logic for high-temperature limits.

Low-Temperature Limit Control

Control logic for low-temperature limits.

Defrost Operation

Operation sequence for defrosting ice.

Current Limit Control

Control logic for limiting current.

Auto Restart Function

Functionality and setting for automatic restart.

How to Cancel Auto Restart Function

Steps to disable the auto restart function.

Filter Check Lamp

Information about the filter check indicator.

Self-Cleaning Function

Explanation of the self-cleaning feature.

Installation Procedure

Safety Cautions

Important safety warnings and precautions for installation.

Installation Diagram of Indoor and Outdoor Units

Visual guide for installing indoor and outdoor units.

Installation

General installation steps.

Optional Installation Parts

List of optional parts for installation.

Accessory and Installation Parts

List of included accessories and installation parts.

Indoor Unit

Procedures and guidelines for indoor unit installation.

Installation Place

Recommended locations for indoor unit installation.

Cutting Hole and Mounting Plate

Procedure for cutting wall holes and mounting the plate.

Electrical Work

Instructions for electrical connections and power supply.

Piping and Drain Hose Installation

Steps for connecting refrigerant pipes and drain hoses.

Indoor Unit Fixing

Instructions for securely mounting the indoor unit.

Drainage

Proper routing and setup for drainage.

Outdoor Unit

Procedures and guidelines for outdoor unit installation.

Installation Place

Recommended locations for outdoor unit installation.

Refrigerant Piping Connection

Instructions for connecting refrigerant pipes.

Evacuating

Procedure for evacuating the refrigerant system.

Wiring Connection

Steps for connecting electrical wiring.

Remote Control Selector Switch

How to set the remote control selector switch.

Others

Miscellaneous installation and operation procedures.

Gas Leak Test

Method for testing for refrigerant gas leaks.

Test Operation

How to perform a test operation.

Auto Restart Setting

How to set the auto restart feature.

Troubleshooting Chart

Troubleshooting Procedure

General steps for troubleshooting.

Basic Check Items

Initial checks for troubleshooting.

Power Supply Voltage

Checking the input power supply voltage.

Incorrect Cable Connection

Troubleshooting incorrect wiring between units.

Program Control

Understanding program control during operation.

Primary Judgement

Initial diagnosis of symptoms.

Role of Indoor Unit Controller

Functions of the indoor unit controller.

Failure Diagnosis

How the unit indicates failures.

Self-Diagnosis via Remote Control

Using the remote control for self-diagnosis.

Service Mode Usage

Steps to enter and use service mode.

Troubleshooting Flowcharts

Diagnostic flowcharts for various issues.

No Power; No Operation

Flowchart for troubleshooting no power or operation.

No Power After P.C. Board Replacement

Troubleshooting steps after replacing the P.C. board.

Outdoor Unit Does Not Operate

Troubleshooting flowchart for outdoor unit failure.

Compressor Not Operating

Troubleshooting flowchart for compressor issues.

Outdoor Fan Not Operating

Troubleshooting flowchart for outdoor fan issues.

4-Way Valve Not Operating

Troubleshooting flowchart for 4-way valve issues.

Indoor Fan Not Operating

Troubleshooting flowchart for indoor fan issues.

Remote Control Troubleshooting

Steps for troubleshooting remote control issues.

Checking the P.C. Board

Procedures for checking the P.C. board.

Shorten Restart Delay Timer

How to shorten the restart delay timer.

Set;Cancel Self-Cleaning

How to set or cancel the self-cleaning function.

Part Replacement

Indoor Unit Parts

Procedures for replacing indoor unit parts.

Outdoor Unit Parts

Procedures for replacing outdoor unit parts.

Exploded Views and Parts List

Indoor Unit (E-Parts Assy)

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

Indoor Unit

Exploded view and parts list for the indoor unit.

Outdoor Unit (RAS-13 UAH-E3)

Exploded view and parts list for RAS-13UAH-E3 outdoor unit.

Outdoor Unit (RAS-10 UAH-E3)

Exploded view and parts list for RAS-10UAH-E3 outdoor unit.

Outdoor Unit (RAS-13 UA-E3)

Exploded view and parts list for RAS-13UA-E3 outdoor unit.

Outdoor Unit (RAS-10 UA-E3)

Exploded view and parts list for RAS-10UA-E3 outdoor unit.

Outdoor Unit (RAS-13 UAX3, RAS-12 UAX3)

Exploded view and parts list for RAS-13UAX3/RAS-12UAX3 outdoor units.

Outdoor Unit (RAS-10 UAX3)

Exploded view and parts list for RAS-10UAX3 outdoor unit.

Outdoor Unit (RAS-07 UAX3, RAS-07 UA-E3)

Exploded view and parts list for RAS-07UAX3/RAS-07UA-E3 outdoor units.

Outdoor Unit (RAS-07 UAH-E3)

Exploded view and parts list for RAS-07UAH-E3 outdoor unit.

Toshiba RAS-12UKPX3 Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Power Supply220-240V, 50Hz
Indoor Unit Weight9 kg
Outdoor Unit Dimensions (W x H x D)780 x 550 x 290 mm
Outdoor Unit Noise Level49 dB

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