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Toshiba RAS-10UAH-E3 User Manual

Toshiba RAS-10UAH-E3
86 pages
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FILE NO. SVM-04022-1
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
RAS-13NKHD-E / RAS-13UAH-E3
RAS-10NKHD-E / RAS-10UAH-E3
RAS-07NKHD-E / RAS-07UAH-E3
RAS-13NKD-E / RAS-13UA-E3
RAS-10NKD-E / RAS-10UA-E3
RAS-07NKD-E / RAS-07UA-E3
Revised on March, 2005

Table of Contents

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Toshiba RAS-10UAH-E3 Specifications

General IconGeneral
BrandToshiba
ModelRAS-10UAH-E3
CategoryAir Conditioner
LanguageEnglish

Summary

Specifications

Construction Views

Indoor Unit Construction

Diagram showing dimensions and parts of the indoor unit.

Outdoor Unit Construction (Models RAS-13UAH-E3, RAS-10UAH-E3, RAS-13UA-E3, RAS-10UA-E3)

Diagrams for outdoor unit dimensions and installation for specific models.

Outdoor Unit Construction (Models RAS-07UAH-E3, RAS-07UA-E3)

Diagrams for outdoor unit dimensions and installation for specific models.

Wiring Diagrams

Wiring Diagram (RAS-13NKHD-E / RAS-13UAH-E3)

Schematic showing electrical connections for the specified model.

Wiring Diagrams (RAS-10NKHD-E / RAS-10UAH-E3, RAS-07NKHD-E / RAS-07UAH-E3)

Schematic showing electrical connections for the specified models.

Wiring Diagram (RAS-13NKD-E / RAS-13UA-E3)

Schematic showing electrical connections for the specified model.

Wiring Diagrams (RAS-10NKD-E / RAS-10UA-E3, RAS-07NKD-E / RAS-07UA-E3)

Schematic showing electrical connections for the specified models.

Electrical Parts Specifications

Indoor Unit Electrical Parts (NKHD Series)

Detailed specifications for electrical components of the indoor units.

Outdoor Unit Electrical Parts (RAS-13UAH-E3)

Detailed specifications for electrical components of the outdoor unit.

Outdoor Unit Electrical Parts (RAS-10UAH-E3)

Detailed specifications for electrical components of the outdoor unit.

Outdoor Unit Electrical Parts (RAS-07UAH-E3)

Detailed specifications for electrical components of the outdoor unit.

Indoor Unit Electrical Parts (NKD Series)

Detailed specifications for electrical components of the indoor units.

Outdoor Unit Electrical Parts (RAS-13UA-E3)

Detailed specifications for electrical components of the outdoor unit.

Outdoor Unit Electrical Parts (RAS-10UA-E3)

Detailed specifications for electrical components of the outdoor unit.

Outdoor Unit Electrical Parts (RAS-07UA-E3)

Detailed specifications for electrical components of the outdoor unit.

Refrigeration Cycle Diagrams

Refrigeration Cycle (RAS-13NKHD-E / RAS-13UAH-E3)

Diagram of the refrigeration cycle for the specified model.

Refrigeration Cycle (RAS-10NKHD-E / RAS-10UAH-E3)

Diagram of the refrigeration cycle for the specified model.

Refrigeration Cycle (RAS-07NKHD-E / RAS-07UAH-E3)

Diagram of the refrigeration cycle for the specified model.

Refrigeration Cycle (RAS-13NKD-E / RAS-13UA-E3)

Diagram of the refrigeration cycle for the specified model.

Refrigeration Cycle (RAS-10NKD-E / RAS-10UA-E3)

Diagram of the refrigeration cycle for the specified model.

Refrigeration Cycle (RAS-07NKD-E / RAS-07UA-E3)

Diagram of the refrigeration cycle for the specified model.

Control Block Diagrams

Control Block Diagram (Heat Pump Model)

Block diagram of the control system for heat pump models.

Control Block Diagram (Cooling Model)

Block diagram of the control system for cooling models.

Operation Descriptions

Outline of Air Conditioner Control

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

Louver Control

Details on vertical air flow louver positioning and swing control.

Indoor Fan Control (AC Fan Motor)

Description of indoor fan speed control and modes.

Cooling Operation

Control logic for compressor, fan, and display during cooling.

Dry Operation

Control logic for compressor, fan, and display during dry mode.

Heating Operation (NKHD Series)

Control logic for compressor, fan, and display during heating.

Automatic Operation

Mode selection logic based on temperature difference.

Hi POWER Mode Operation

Details on how the unit operates in Hi POWER mode.

High-Temperature Limit Control (NKHD Series)

Control to prevent excessive pressure by monitoring heat exchanger temperature.

Low-Temperature Limit Control

Control to prevent indoor heat exchanger freezing.

Defrost Operation (NKHD Series)

Procedure to melt ice buildup on the outdoor heat exchanger.

Current Limit Control (NKHD Series)

Control to prevent exceeding current limits by managing outdoor fan.

Auto Restart Function

Automatic unit restart after power interruption.

Self-Cleaning Function

Function to reduce coil humidity and prevent mold.

Installation Procedures

Safety Cautions

Important safety warnings and precautions before and during installation.

Installation Diagram (Indoor & Outdoor Units)

Visual guide for positioning and connecting indoor and outdoor units.

Optional Installation Parts

List and description of optional parts for installation.

Accessory and Installation Parts

List of included accessories and installation components.

Indoor Unit Installation Place

Guidelines for selecting a suitable location for the indoor unit.

Cutting Hole and Mounting Installation Plate

Instructions for preparing the wall for pipe installation and mounting the plate.

Indoor Unit Electrical Work

Details on connecting the power supply and wiring for the indoor unit.

Indoor Unit Wiring Connection

Procedure for connecting the power cord and internal wiring.

Piping and Drain Hose Installation

Steps for installing refrigerant pipes and drain hoses.

Indoor Unit Fixing

How to securely mount the indoor unit onto the installation plate.

Drainage Installation

Guidelines for proper drain hose routing and connection.

Outdoor Unit Installation Place

Criteria for selecting a suitable location for the outdoor unit.

Refrigerant Piping Connection

Detailed steps for connecting refrigerant pipes, including flaring and tightening.

Evacuating the System

Procedure for removing air and moisture from the refrigerant lines using a vacuum pump.

Outdoor Unit Wiring Connection

Instructions for connecting the connecting cable to the outdoor unit.

Remote Control Selector Switch Setting

Procedure for setting the remote control selector switch.

Gas Leak Test

How to check for refrigerant leaks using a detector or soap water.

Test Operation

Procedure for performing a test run of the air conditioner.

Auto Restart Setting

How to configure the auto restart function after power failure.

Troubleshooting Charts

Troubleshooting Procedure Overview

General steps to follow for troubleshooting issues.

Basic Check Items

Fundamental checks before diagnosing problems.

Primary Judgement

Initial assessment of symptoms and potential causes.

Self-Diagnosis via Remote Control (Check Codes)

Using the remote control to retrieve diagnostic codes for faults.

Troubleshooting Flowcharts

Step-by-step diagnostic flowcharts for various issues.

Troubleshooting: Remote Control & Indoor P.C. Board

Diagnosing issues related to the remote control and indoor P.C. board.

Troubleshooting: Air Purifier & Minus Ion

Diagnosing issues with the air purifier and minus ion generator.

Part Replacement

Indoor Unit Part Replacement

Procedures for removing and replacing parts of the indoor unit.

Exploded Views and Parts List

Indoor Unit Exploded View (E-Parts Assy)

Exploded diagram and parts list for the indoor unit's electrical assembly.

Indoor Unit Exploded View

Exploded diagram and parts list for the indoor unit components.

Outdoor Unit Exploded View (RAS-13UAH-E3)

Exploded diagram and parts list for the specified outdoor unit model.

Outdoor Unit Exploded View (RAS-10UAH-E3)

Exploded diagram and parts list for the specified outdoor unit model.

Outdoor Unit Exploded View (RAS-13UA-E3)

Exploded diagram and parts list for the specified outdoor unit model.

Outdoor Unit Exploded View (RAS-10UA-E3)

Exploded diagram and parts list for the specified outdoor unit model.

Outdoor Unit Exploded View (RAS-07UA-E3)

Exploded diagram and parts list for the specified outdoor unit model.

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