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Toshiba RAS-18UKHP-ES2 User Manual

Toshiba RAS-18UKHP-ES2
76 pages
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FILE NO. SVM-03009
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
Feb., 2003
RAS-24UKHP-ES-1 / RAS-24UAH-ES-1
RAS-18UKHP-ES2 / RAS-18UAH-ES2
RAS-24UKP-ES-1 / RAS-24UA-ES-1
RAS-18UKP-ES2 / RAS-18UA-ES2
18 Class
(Heat pump model)
24 Class18 Class
(Cooling only model)

Table of Contents

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Toshiba RAS-18UKHP-ES2 Specifications

General IconGeneral
BrandToshiba
ModelRAS-18UKHP-ES2
CategoryAir Conditioner
LanguageEnglish

Summary

Specifications

Construction Views

2-1. Indoor Unit

Diagrams and dimensions of the indoor unit for installation.

2-2. Outdoor Unit (RAS-24UAH-ES-1, RAS-24UA-ES-1)

Dimensions and installation diagrams for specific outdoor units.

2-3. Outdoor Unit (RAS-18UAH-ES2)

Dimensions and installation diagrams for a specific outdoor unit.

2-4. Outdoor Unit (RAS-18UA-ES2)

Dimensions and installation diagrams for a specific outdoor unit.

Wiring Diagram

3-1. RAS-24UKHP-ES-1 / RAS-24UAH-ES-1

Wiring diagram for the specified indoor and outdoor units.

3-2. RAS-18UKHP-ES2 / RAS-18UAH-ES2

Wiring diagram for the specified indoor and outdoor units.

3-3. RAS-24UKP-ES-1 / RAS-24UA-ES-1

Wiring diagram for the specified indoor and outdoor units.

3-4. RAS-18UKP-ES2 / RAS-18UA-ES2

Wiring diagram for the specified indoor and outdoor units.

Specification of Electrical Parts

4-1. Indoor Unit (RAS-24UKHP-ES-1, RAS-18UKHP-ES2)

List of electrical components for indoor units.

4-2. Outdoor Unit (RAS-24UAH-ES-1)

List of electrical components for a specific outdoor unit.

4-3. Outdoor Unit (RAS-18UAH-ES2)

List of electrical components for a specific outdoor unit.

4-4. Indoor Unit (RAS-24UKP-ES-1, RAS-18UKP-ES2)

List of electrical components for indoor units.

4-5. Outdoor Unit (RAS-24UA-ES-1)

List of electrical components for a specific outdoor unit.

4-6. Outdoor Unit (RAS-18UA-ES2)

List of electrical components for a specific outdoor unit.

Refrigeration Cycle Diagram

5-1. RAS-24UKHP-ES-1 / RAS-24UAH-ES-1

Refrigeration cycle diagram for specific models.

5-2. RAS-18UKHP-ES2 / RAS-18UAH-ES2

Refrigeration cycle diagram for specific models.

5-3. RAS-24UKP-ES-1 / RAS-24UA-ES-1

Refrigeration cycle diagram for specific models.

5-4. RAS-18UKP-ES2 / RAS-18UA-ES2

Refrigeration cycle diagram for specific models.

Control Block Diagram

6-1. RAS-24UKHP-ES-1, RAS18UKHP-ES2

Control block diagram for specific models.

6-2. RAS-24UKP-ES-1, RAS18UKP-ES2

Control block diagram for specific models.

Operation Description

7-1. Outline of Air Conditioner Control

Overview of the air conditioner's control system.

7-2. Description of Operation Circuit

Detailed explanation of operational circuits and modes.

7-3. Hi POWER Mode

Description of the high power operation mode.

7-4. High-Temperature Limit Control

Control for preventing excessive temperature rise.

7-5. Low-Temperature Limit Control

Control to prevent indoor heat exchanger freezing.

7-6. Defrost Operation

Operation sequence for defrosting in heating mode.

7-7. Auto Restart Function

Details on the automatic restart feature after power loss.

7-8. Filter Check Lamp

Information about the filter check indicator and reset.

Installation Procedure

8-1. Safety Cautions

Essential safety precautions for installation.

8-2. Installation Diagram of Indoor and Outdoor Units

Visual guide for unit placement and piping.

8-3. Installation

General installation steps and optional parts.

8-4. Indoor Unit

Specific installation guidelines for the indoor unit.

8-5. Outdoor Unit

Specific installation guidelines for the outdoor unit.

8-6. How to Set Remote Control Selector Switch

Procedure for setting multi-unit remote control.

8-7. Others

Additional installation-related procedures and checks.

Troubleshooting Chart

9-1. Troubleshooting Procedure

General steps for diagnosing issues.

9-2. Basic Check Items

Initial checks for common operational problems.

9-3. Primary Judgement

Initial assessment based on symptoms and indicators.

9-4. Self-Diagnosis by Remote Control (Check Code)

Using the remote for error code diagnosis.

9-5. How To Diagnose Faulty Parts

Flowcharts for identifying defective components.

9-6. Troubleshooting for Indoor unit

Specific troubleshooting steps for the indoor unit.

9-8. Troubleshooting for P.C. board

Steps to diagnose issues with the main circuit boards.

9-9. Troubleshooting for Remote Control

Steps to diagnose and resolve remote control problems.

Part Replacement

10-1. Indoor Unit

Procedures for replacing indoor unit components.

10-2. Outdoor Unit (RAS-24UAH-ES-1, RAS-24UA-ES-1)

Replacement procedures for specific outdoor units.

10-3. Outdoor Unit (RAS-18UAH-ES2)

Replacement procedures for specific outdoor units.

10-4. Outdoor Unit (RAS-18UA-ES2)

Replacement procedures for specific outdoor units.

Exploded Views and Parts List

11-1. Indoor Unit (E-Parts Assy)

Exploded view and parts list for indoor unit assembly.

11-2. Indoor Unit

Exploded view and parts list for indoor unit components.

11-3. Outdoor Unit (RAS-24UAH-ES-1)

Exploded view and parts list for a specific outdoor unit.

11-4. Outdoor Unit (RAS-18UAH-ES2)

Exploded view and parts list for a specific outdoor unit.

11-5. Outdoor Unit (RAS-24UA-ES-1)

Exploded view and parts list for a specific outdoor unit.

11-6. Outdoor Unit (RAS-18UA-ES2)

Exploded view and parts list for a specific outdoor unit.

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