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Sanyo SAP-KRV94EHDX User Manual

Sanyo SAP-KRV94EHDX
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-KRV94EHDX Specifications

General IconGeneral
BrandSanyo
ModelSAP-KRV94EHDX
CategoryAir Conditioner
LanguageEnglish

Summary

1. OPERATING RANGE

2. SPECIFICATIONS

2-1. Unit Specifications

Detailed technical specifications for indoor and outdoor units.

2-2. Major Component Specifications

Lists key components and their technical details for indoor and outdoor units.

2-3. Other Component Specifications

Specifies resistance characteristics for various sensors used in the unit.

3. DIMENSIONAL DATA

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram

Shows the path of refrigerant through the system and insulation needs.

5. PERFORMANCE DATA

5-1. Temperature Charts

Displays cooling and heating performance curves based on temperature.

5-2. Air Throw Distance Charts

Illustrates air throw distances for cooling and heating under various conditions.

6. ELECTRICAL DATA

6-1. Electrical Characteristics

Lists electrical ratings, running current, and power input for different operating modes.

6-2. Electric Wiring Diagrams

Provides comprehensive wiring diagrams and an abbreviation key for system connections.

7. INSTALLATION INSTRUCTIONS

7-1. Installation Site Selection

Advises on choosing optimal locations for indoor and outdoor units to ensure performance.

7-2. Recommended Wire Length and Diameter

Specifies wire sizing and length limits for power and control wiring.

7-3. Remote Control Unit Installation Position

Provides guidelines on where to install the remote control unit for optimal operation.

7-4. How to Test Run the Air Conditioner

Details the procedure for conducting a test run after installation.

7-5. Remove the Grille to Install the Indoor Unit

Step-by-step instructions for removing and reinstalling the indoor unit's front grille.

8. MAINTENANCE

8-1. Address Setting of the Remote Control Unit

Explains how to set or change the remote control's address to prevent interference.

8-2. Removing and Mounting the Drain Hose

Instructions for detaching and reattaching the unit's drain hose.

8-3. Removing the Electrical Component Box

Guides on removing the electrical component box and its related parts.

8-4. Removing the Panel Motor

Steps for removing the panel motor, often related to flap movement.

8-5. Removing and Mounting the Drain Pan (Air Outlet Ass'y)

Instructions for removing and reinstalling the drain pan assembly.

8-6. Removing the Negative Ion Generator

Details on how to remove the negative ion generator from the unit.

8-7. Removing and Mounting the Fan Motor

Step-by-step guide for removing and installing the fan motor.

8-8. Removing the Fan

Instructions on how to detach the fan from the unit.

8-9. Disconnecting and Connecting Positive Connector for Outdoor Unit

Explains the procedure for safely disconnecting and reconnecting electrical connectors.

9. FUNCTIONS

9-1. Operation Functions

Details features like Emergency Operation, AUTO mode, and SENSOR DRY.

9-2. Protective Functions

Explains the unit's built-in protective mechanisms like overload and freeze prevention.

10. TROUBLESHOOTING

10-1. Precautions before Performing Inspection or Repair

Essential safety precautions to follow before starting any inspection or repair work.

10-2. Method of Self-Diagnostics

Outlines how to initiate and interpret the unit's self-diagnostic modes.

10-3. Checking the Indoor and Outdoor Units

Describes checks for indoor and outdoor units, including serial communications.

10-4. Trouble Diagnosis of Indoor and Outdoor Fan Motor

Guides on diagnosing issues related to the indoor and outdoor fan motors.

10-5. Noise Malfunction and Electromagnetic Interference

Discusses potential noise issues and electromagnetic interference problems.

10-6. Checking and Troubleshooting when the Front Panel fails to work

Provides steps to check and resolve issues with the front panel's operation.

10-6-2. Making a Diagnosis of the Panel Motor

Steps for diagnosing problems specifically with the panel motor.

11. CHECKING ELECTRICAL COMPONENTS

11-1. Measurement of Insulation Resistance

Details how to measure insulation resistance for various parts of the unit.

11-2. Checking Continuity of Fuse on PCB Ass'y

Explains how to check the continuity of the fuse on the PCB assembly.

12. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT

12-1. Characteristics of New Refrigerant R410A

Describes the composition and properties of R410A refrigerant.

12-2. Checklist before Servicing

A checklist of items to verify before commencing service on R410A systems.

12-3. Tools Specifically for R410A

Lists specialized tools required for servicing R410A refrigerant systems.

12-4. Tubing Installation Procedures

Provides guidance on proper tubing installation techniques and precautions.

12-5. In Case of Compressor Malfunction

Outlines the procedure for diagnosing and replacing a malfunctioning compressor.

12-6. In Case Refrigerant is Leaking

Details the process for detecting, repairing, and recharging refrigerant after a leak.

12-7. Charging Additional Refrigerant

Instructions for adding refrigerant, especially when extending tubing.

12-8. Retro-Fitting Existing Systems

Advice on using existing units and tubing when converting to R410A.

Features

Product Information

Alert Symbols

Installation Location

Electrical Requirements

Safety Instructions

Names of Parts

Unit Display and Operation Button

Remote Control Unit Operation

1. Automatic Operation

Details how the unit automatically switches between cooling and heating modes.

2. Manual Operation

Step-by-step guide for manually setting modes, temperature, and fan speed.

3. Adjusting the Fan Speed

Instructions for setting fan speed automatically or manually.

4. Fan Only

How to operate the unit for air circulation without temperature control.

5. Night Setback Mode

Explains the energy-saving night setback feature for cooling and heating.

6. QUIET Mode

Describes how to activate quiet mode to reduce fan noise.

7. HIGH POWER Mode

Details the high power mode for increased cooling/heating output for 30 minutes.

8. ION Mode

Explains the function of generating negative ions to freshen room air.

9. LED CLEAN Mode

Describes the UV anti-bacterial cleaning function activated by LED CLEAN mode.

Special Remarks

Setting the Timer

Using the 1.2.3.5-Hour OFF Timer

Tips for Energy Saving

Adjusting the Airflow Direction

Operation without the Remote Control Unit

Care and Cleaning

Anti-Mold Filter

Instructions for removing and cleaning the anti-mold filter.

Air Clean Filter

Instructions for installing and cleaning the air clean filter.

Negative Ion Generator

Instructions for cleaning the negative ion generator.

Troubleshooting

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