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Toshiba RAS-13UKHP-E4 User Manual

Toshiba RAS-13UKHP-E4
93 pages
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FILE NO. SVM-05001-3
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
RAS-13UKHP-E4 / RAS-13UAH-E4
RAS-10UKHP-E4 / RAS-10UAH-E4
RAS-13UKP-E4 / RAS-13UA-E4
RAS-10UKP-E4 / RAS-10UA-E4
RAS-13UKPX4 / RAS-13UAX4
RAS-10UKPX4 / RAS-10UAX4
RAS-12UKPX4 / RAS-12UAX4
RAS-07UKHP-E4 / RAS-07UAH-E4
RAS-07UKP-E4 / RAS-07UA-E4
RAS-07UKPX4 / RAS-07UAX4
Revised on Nov, 2005

Table of Contents

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Toshiba RAS-13UKHP-E4 Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Energy Efficiency Class (Cooling)A++
Energy Efficiency Class (Heating)A+
SEER6.1
SCOP4.0
Power Supply220-240V, 50Hz
TypeAir Conditioner
Outdoor Unit Noise Level50 dB

Summary

Specifications

Construction Views

Indoor Unit

Exploded view and dimensions of the indoor unit components.

Outdoor Unit (RAS-07UAH-E4, RAS-07UA-E4, RAS-07UAX4)

Exploded view and dimensions for specific outdoor unit models.

Wiring Diagram

3-1. RAS-13UKHP-E4 / RAS-13UAH-E4

Wiring diagram for specific Toshiba air conditioner indoor and outdoor units.

3-2. RAS-10UKHP-E4 / RAS-10UAH-E4

Wiring diagram for specific Toshiba air conditioner indoor and outdoor units.

3-3. RAS-07UKHP-E4 / RAS-07UAH-E4

Wiring diagram for specific Toshiba air conditioner indoor and outdoor units.

3-4. RAS-13UKP-E4 / RAS-13UA-E4

Wiring diagram for specific Toshiba air conditioner indoor and outdoor units.

3-5. RAS-10UKP-E4 / RAS-10UA-E4

Wiring diagram for specific Toshiba air conditioner indoor and outdoor units.

3-6. RAS-07UKP-E4 / RAS-07UA-E4

Wiring diagram for specific Toshiba air conditioner indoor and outdoor units.

3-7. RAS-13UKPX4 / RAS-13UAX4 / RAS-12UKPX4 / RAS-12UAX4

Wiring diagram for specific Toshiba air conditioner indoor and outdoor units.

3-8. RAS-10UKPX4 / RAS-10UAX4 / RAS-07UKPX4 / RAS-07UAX4

Wiring diagram for specific Toshiba air conditioner indoor and outdoor units.

Specification of Electrical Parts

4-1. Indoor Unit (RAS-13UKHP-E4, RAS-10UKHP-E4, RAS-07UKHP-E4)

Electrical specifications for specific indoor unit models.

4-2. Outdoor Unit (RAS-13UAH-E4)

Electrical specifications for a specific outdoor unit model.

4-3. Outdoor Unit (RAS-10UAH-E4)

Electrical specifications for a specific outdoor unit model.

4-4. Outdoor Unit (RAS-07UAH-E4)

Electrical specifications for a specific outdoor unit model.

4-6. Outdoor Unit (RAS-13UA-E4)

Electrical specifications for a specific outdoor unit model.

4-7. Outdoor Unit (RAS-13UAX4, RAS-12UAX4)

Electrical specifications for specific outdoor unit models.

4-8. Outdoor Unit (RAS-10UA-E4, RAS-10UAX4)

Electrical specifications for specific outdoor unit models.

4-9. Outdoor Unit (RAS-07UAX4)

Electrical specifications for a specific outdoor unit model.

4-10. Outdoor Unit (RAS-07UA-E4)

Electrical specifications for a specific outdoor unit model.

Refrigeration Cycle Diagram

5-1. RAS-13UKHP-E4 / RAS-13UAH-E4

Refrigeration cycle diagram for specific models.

5-2. RAS-10UKHP-E4 / RAS-10UAH-E4

Refrigeration cycle diagram for specific models.

5-3. RAS-07UKHP-E4 / RAS-07UAH-E4

Refrigeration cycle diagram for specific models.

5-5. RAS-10UKP-E4 / RAS-10UA-E4, RAS-10UKPX4 / RAS-10UAX4

Refrigeration cycle diagram for specific models.

5-6. RAS-07UKP-E4 / RAS-07UA-E4, RAS-07UKPX4 / RAS-07UAX4

Refrigeration cycle diagram for specific models.

Control Block Diagram

6-1. RAS-13UKHP-E4 / RAS-13UAH-E4, RAS-10UKHP-E4 / RAS-10UAH-E4, RAS-07UKHP-E4 / RAS-07UAH-E4

Control block diagram for specific indoor and outdoor unit series.

Operation Description

7-1. Outline of Air Conditioner Control

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

7-2. Description of Operation Circuit

Detailed explanation of the air conditioner's operation circuit and logic.

7-3. Hi POWER Mode

Description of the Hi POWER operating mode for enhanced performance.

7-4. High-Temperature Limit Control

Control mechanism to prevent excessive indoor heat exchanger temperature.

7-5. Low-Temperature Limit Control

Control mechanism to prevent indoor heat exchanger from freezing.

7-6. Defrost Operation

Operation sequence for defrosting the outdoor unit during heating.

7-7. Current Limit Control

Control to prevent specified current values by managing outdoor fan.

7-8. Auto Restart Function

Functionality enabling automatic restart after power interruption.

7-9. TROUBLESHOOTING CHART

Guide to diagnose and resolve common air conditioner issues.

7-10. PART REPLACEMENT

Procedures for replacing various parts of the air conditioner.

7-11. EXPLODED VIEWS AND PARTS LIST

Visual breakdown of components and their part numbers.

Installation Procedure

8-1. Safety Cautions

Critical safety warnings and precautions before installation.

8-2. Installation Diagram of Indoor and Outdoor Units

Visual guide for installing indoor and outdoor units, including placement.

8-3. Installation

General installation steps and considerations for the unit.

8-3-1. Optional installation parts

List and details of optional parts for unit installation.

8-3-2. Accessory and installation parts

Details of included accessories and parts for installation.

Indoor Unit

8-4-1. Installation place

Recommended locations for installing the indoor unit.

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

Instructions for preparing wall openings and mounting plates.

8-4-3. Electrical work

Procedures for connecting the air conditioner to the electrical power supply.

8-4-4. Piping and drain hose installation

Steps for connecting refrigerant pipes and drain hoses.

8-4-5. Indoor unit fixing

Method for securely mounting the indoor unit onto the installation plate.

8-4-6. Drainage

Instructions for properly routing and installing the drain hose.

Outdoor Unit

8-5-1. Installation place

Recommended locations for installing the outdoor unit.

8-5-2. Refrigerant piping connection

Detailed steps for connecting refrigerant pipes and ensuring tight connections.

8-5-3. Evacuating

Process for purging air and moisture from the refrigerant lines.

8-5-4. Wiring connection

Procedure for connecting electrical wiring between indoor and outdoor units.

How to Set Remote Control Selector Switch

Others

8-7-1. Gas leak test

Procedure for checking the system for refrigerant gas leaks.

8-7-2. Test operation

Steps to perform a test run of the air conditioner.

8-7-3. Auto restart setting

Instructions for enabling the auto restart function after power failure.

Troubleshooting Chart

9-1. Troubleshooting Procedure

General guide for troubleshooting air conditioner issues.

9-2. Basic Check Items

Initial checks to perform before detailed troubleshooting.

9-3. Primary Judgement

Basic steps for diagnosing unit problems based on symptoms.

9-3-1. Role of indoor unit controller

Explanation of the indoor unit controller's functions and inputs.

9-3-2. Failure diagnosis

How the unit diagnoses failures and indicates them via lamps.

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

Procedure for diagnosing faults using remote control check codes.

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

Guide on accessing and using the remote control's service mode.

9-5. Troubleshooting Flowcharts

Diagnostic flowcharts for various operational issues.

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

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

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

Troubleshooting flowchart after P.C. board replacement.

9-5-3. Outdoor unit does not operate

Flowchart for diagnosing why the outdoor unit is not operating.

9-5-4. Only compressor does not operate

Flowchart for diagnosing issues specific to the compressor.

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

Flowchart for diagnosing issues with the outdoor fan.

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

Flowchart for diagnosing 4-way valve failure during heating.

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

Flowchart for diagnosing issues with the indoor fan.

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

Troubleshooting steps for remote control and indoor P.C. board issues.

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

Procedure for inspecting and checking the Printed Circuit Board.

Part Replacement

10-1. Indoor Unit

Procedures for disassembling and replacing indoor unit components.

10-2. Outdoor Unit

Procedures for disassembling and replacing outdoor unit components.

Exploded Views and Parts List

11-1. Indoor Unit (E-Parts Assy) (For Heat pump model)

Exploded view and parts list for the indoor unit heat pump model.

11-2. Indoor Unit (E-Parts Assy) (For Cooling model)

Exploded view and parts list for the indoor unit cooling model.

11-3. Indoor Unit (RAS-07,10,13UKHP-E4, UKP-E4)

Exploded view and parts list for specific indoor unit models.

11-4. Indoor Unit (RAS-07,10,12,13UKPX4)

Exploded view and parts list for specific indoor unit models.

11-5. Outdoor Unit (RAS-13UAH-E4)

Exploded view and parts list for a specific outdoor unit model.

11-6. Outdoor Unit (RAS-10UAH-E4)

Exploded view and parts list for a specific outdoor unit model.

11-7. Outdoor Unit (RAS-13UA-E4)

Exploded view and parts list for a specific outdoor unit model.

11-8. Outdoor Unit (RAS-10UA-E4)

Exploded view and parts list for a specific outdoor unit model.

11-9. Outdoor Unit (RAS-13UAX4, RAS-12UAX4)

Exploded view and parts list for specific outdoor unit models.

11-10. Outdoor Unit (RAS-10UAX4)

Exploded view and parts list for a specific outdoor unit model.

11-11. Outdoor Unit (RAS-07UAX4, RAS-07UA-E4)

Exploded view and parts list for specific outdoor unit models.

11-12. Outdoor Unit (RAS-07UAH-E4)

Exploded view and parts list for a specific outdoor unit model.

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