Toshiba RAS-13UKHP-E2 User Manual

FILE NO. SVM-03004(1)
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
July, 2003
RAS-13UKHP-E2 / RAS-13UAH-E2
RAS-10UKHP-E2 / RAS-10UAH-E2
RAS-13UKP-E2 / RAS-13UA-E2
RAS-10UKP-E2 / RAS-10UA-E2
RAS-13UKPX2 / RAS-13UAX2
RAS-10UKPX2 / RAS-10UAX2

Toshiba RAS-13UKHP-E2 Specifications

General

Brand	Toshiba
Model	RAS-13UKHP-E2
Category	Air Conditioner
Language	English

Summary

SPECIFICATIONS

WIRING DIAGRAM

3-1. RAS-13UKHP-E2 / RAS-13UAH-E2

3-2. RAS-10UKHP-E2 / RAS-10UAH-E2

3-3. RAS-13UKP-E2 / RAS-13UA-E2, RAS-10UKP-E2 / RAS-10UA-E2, RAS-13UKPX2 / RAS-13UAX2, RAS-10UKPX2 / RAS-10UAX2

SPECIFICATION OF ELECTRICAL PARTS

4-1. Indoor Unit (RAS-13UKHP-E2, RAS-10UKHP-E2)

4-2. Outdoor Unit (RAS-13UAH-E2)

4-3. Outdoor Unit (RAS-10UAH-E2)

4-4. Indoor Unit (RAS-13UKP-E2, RAS-10UKP-E2, RAS-13UKPX2, RAS-10UKPX2)

4-5. Outdoor Unit (RAS-13UA-E2)

4-6. Outdoor Unit (RAS-13UAX2)

4-7. Outdoor Unit (RAS-10UA-E2)

REFRIGERATION CYCLE DIAGRAM

CONTROL BLOCK DIAGRAM

6-1. RAS-13UKHP-E2 / RAS-13UAH-E2, RAS-10UKHP-E2 / RAS-10UAH-E2

6-2. RAS-13UKP-E2 / RAS-13UA-E2, RAS-10UKP-E2 / RAS-10UA-E2, RAS-13UKPX2 / RAS-13UAX2, RAS-10UKPX2 / RAS-10UAX2

OPERATION DESCRIPTION

7-1. Outline of Air Conditioner Control

General overview of controls, including Louver and Indoor fan operations.

7-2. Description of Operation Circuit

Detailed explanation of how specific operation modes are controlled electronically.

7-3. Hi POWER Mode

7-4. High-Temperature Limit Control

7-5. Low-Temperature Limit Control

7-6. Defrost Operation

7-7. Current Limit Control

7-8. Auto Restart Function

INSTALLATION PROCEDURE

8-1. Safety Cautions

Critical safety warnings and precautions for installation personnel.

8-2. Installation Diagram of Indoor and Outdoor Units

8-4. Indoor Unit

8-4-1. Installation place

8-4-2. Cutting a hole and mounting installation plate

8-4-3. Electrical work

8-4-4. Wiring connection

8-4-5. Piping and drain hose installation

8-4-6. Indoor unit fixing

8-4-7. Drainage

8-5. Outdoor Unit

8-5-1. Installation place

8-5-2. Refrigerant piping connection

Procedures for connecting refrigerant pipes, including cutting and flaring.

8-5-3. Evacuating

Steps for evacuating air from the refrigerant lines using a vacuum pump.

8-5-4. Wiring connection

8-7-1. Gas leak test

Method for checking refrigerant gas leaks at connection points.

8-7-2. Test operation

8-7-3. Auto restart setting

TROUBLESHOOTING CHART

9-1. Troubleshooting Procedure

General steps to follow when troubleshooting operational issues.

9-2. Basic Check Items

Initial checks to perform before detailed troubleshooting.

9-2-1. Power supply voltage

Verification of the correct AC voltage input for unit operation.

9-2-2. Incorrect cable connection between Indoor and outdoor units

Checking for proper wiring and connection of cables between units.

9-2-3. Program control

9-3. Primary Judgement

Initial assessment of symptoms to determine the likely cause of failure.

9-3-1. Role of indoor unit controller

9-3-2. Failure diagnosis

How the unit indicates self-diagnosis results through lamps and codes.

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

Procedures for using the remote control to access and interpret diagnostic check codes.

9-4-1. How to use remote control in service mode

Step-by-step guide to enter and navigate the remote control's service mode.

9-5. Troubleshooting Flowcharts

Visual flowcharts guiding diagnosis for various operational failures.

9-5-1. Power can not be turned on (No operation at all)

Flowchart for diagnosing issues when the unit does not power on.

9-5-2. Power can not be turned on after replacing indoor P.C. board

Troubleshooting guide for power issues after P.C. board replacement.

9-5-3. Outdoor unit does not operate

Flowchart for diagnosing why the outdoor unit fails to operate.

9-5-4. Only compressor does not operate

Flowchart for diagnosing issues when only the compressor fails to operate.

9-5-5. Only outdoor fan does not operate

Flowchart for diagnosing issues when only the outdoor fan fails to operate.

9-5-6. Only 4-Way valve does not operate (During heating operation)

Flowchart for diagnosing 4-way valve issues during heating operation.

9-5-7. Only the indoor fan does not operate

Flowchart for diagnosing issues when only the indoor fan fails to operate.

9-6. Troubleshooting for Remote Control (Including the Indoor P.C. Board)

Guide for troubleshooting remote control and related indoor P.C. board issues.

9-6-1. How to check the P.C. board

Precautions and procedures for inspecting the P.C. board for defects.