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Sanyo SAP-KRV124EHDX User Manual

Sanyo SAP-KRV124EHDX
85 pages
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IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
TECHNICAL & SERVICE MANUAL
SAP-KRV94EHDX + SAP-CRV94EHDX
SAP-KRV124EHDX + SAP-CRV124EHDX
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Model No.
SAP-KRV94EHDX
SAP-KRV124EHDX
Indoor Unit
Product Code No.
1 852 099 77
1 852 099 78
FILE NO.
Destination: Europe
Northern Europe
Outdoor Model No.
SAP-CRV94EHDX
SAP-CRV124EHDX
Product Code No.
1 852 330 10
1 852 330 11
Outdoor Unit
SAP-KRV94EHDX
SAP-KRV124EHDX
SAP-CRV94EHDX
SAP-CRV124EHDX
REFERENCE NO. SM700639

Table of Contents

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Sanyo SAP-KRV124EHDX Specifications

General IconGeneral
BrandSanyo
ModelSAP-KRV124EHDX
CategoryAir Conditioner
LanguageEnglish

Summary

Important Safety and Handling

Safe Installation and Operation Guidelines

Covers essential requirements for safe and efficient air conditioner operation.

Special Precautions for Use and Maintenance

Details safety measures for wiring, transport, installation, servicing, and refrigerant handling.

1. Operating Range

2. Specifications

2-1. Unit Specifications

Provides detailed technical specifications for indoor and outdoor units.

2-2. Major Component Specifications

Lists specifications for key components like PCB, motors, and fans.

2-3. Other Component Specifications

Details specifications for sensors and other unit components.

3. Dimensional Data

4. Refrigerant Flow Diagram

4-1. Refrigerant Flow Diagram

Illustrates the refrigerant circuit for cooling, heating, and defrosting cycles.

5. Performance Data

5-1. Temperature Charts

Displays cooling and heating performance based on indoor/outdoor temperatures.

5-2. Air Throw Distance Charts

Shows airflow distance characteristics for cooling and heating modes.

6. Electrical Data

6-1. Electrical Characteristics

Provides electrical ratings including running amperes and power input.

6-2. Electric Wiring Diagrams

Presents wiring diagrams for indoor and outdoor units.

7. Installation Instructions

7-1. Installation Site Selection

Guides on selecting appropriate locations for unit installation.

7-2. Recommended Wire Length and Diameter

Specifies wiring requirements and recommendations.

7-3. Remote Control Unit Installation Position

Recommends optimal placement for the remote control unit.

7-4. How to Test Run the Air Conditioner

Details the procedure for conducting a post-installation test run.

7-5. Indoor Unit Grille Removal

Explains how to remove and reinstall the indoor unit's front grille.

8. Maintenance

8-1. Remote Control Address Setting

Describes how to set remote control addresses to prevent signal interference.

8-2. Drain Hose Removal and Mounting

Provides instructions for servicing the unit's drain hose.

8-3. Electrical Component Box Removal

Details the procedure for accessing and removing the electrical component box.

8-4. Panel Motor Removal

Explains how to remove and replace the panel motor.

8-5. Drain Pan Removal and Mounting

Provides steps for removing and installing the drain pan assembly.

8-6. Negative Ion Generator Removal

Describes how to remove the negative ion generator unit.

8-7. Fan Motor Removal and Mounting

Details the process for removing and installing the fan motor.

8-8. Fan Removal Procedure

Explains how to safely remove the fan assembly.

8-9. Outdoor Unit Connector Handling

Covers disconnecting and connecting positive connectors for the outdoor unit.

9. Functions

9-1. Operation Functions

Describes various operating modes like Auto, Dry, and Fan only.

9-2. Protective Functions

Explains safety features like overload, freeze prevention, and compressor control.

10. Troubleshooting

10-1. Precautions Before Inspection or Repair

Outlines critical safety measures before starting troubleshooting procedures.

10-2. Method of Self-Diagnostics

Details how to use the unit's self-diagnostic feature to identify faults.

10-4. Fan Motor Trouble Diagnosis

Guides on diagnosing issues with indoor and outdoor fan motors.

10-5. Noise and Interference Issues

Addresses noise malfunctions and electromagnetic interference problems.

10-6. Front Panel Operation Troubleshooting

Helps resolve issues with the front panel's functionality.

10-6-2. Panel Motor Diagnosis

Guides on diagnosing problems with the panel motor.

11. Checking Electrical Components

11-1. Measurement of Insulation Resistance

Explains how to measure insulation resistance for electrical safety checks.

11-2. Fuse Continuity Check

Details how to check fuse continuity using a multimeter.

12. Refrigerant R410A

Special Precautions When Servicing Unit

Highlights critical safety measures and procedures for R410A refrigerant.

12-1. Characteristics of New Refrigerant R410A

Describes the properties, composition, and safety aspects of R410A.

12-2. Checklist before Servicing

Lists essential checks and precautions before performing service on R410A systems.

12-3. Tools Specifically for R410A

Lists specialized tools required for R410A refrigerant handling and service.

12-5. In Case of Compressor Malfunction

Provides procedures for diagnosing and replacing a malfunctioning compressor.

12-6. In Case Refrigerant is Leaking

Details steps for detecting, repairing, and recharging refrigerant leaks.

12-7. Charging Additional Refrigerant

Explains how to add refrigerant, including important safety warnings.

12-8. Retro-Fitting Existing Systems

Discusses considerations for using R410A with existing systems or tubing.

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