Table of Contents
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TECHNICAL & SERVICE MANUAL
SAP-KRV93EH + SAP-CRV93EH
SAP-KRV123EH + SAP-CRV123EH
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Model No.
SAP-KRV93EH
SAP-KRV123EH
Indoor Unit
SAP-KRV93EH
SAP-KRV123EH
IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
Product Code No.
1 852 089 81
1 852 089 80
FILE NO.
Outdoor Model No. Product Code No.
SAP-CRV93EH
1 852 089 85
SAP-CRV123EH
1 852 089 84
Outdoor Unit
SAP-CRV93EH
SAP-CRV123EH
REFERENCE NO.
Destination: Europe
SM
700590
W
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Chapters
Table of Contents
Troubleshooting
Related Manuals for Sanyo SAP-CRV93EH
Summarization of Contents
IMPORTANT! Please Read Before Starting
Safe Installation and Operation Guidance
Essential steps for safe installation and reliable operation of the unit.
Seeking Assistance and Disclaimers
Guidance on contacting dealers and manufacturer's disclaimer on installation.
SPECIAL PRECAUTIONS
Wiring Safety
Critical safety guidelines for electrical wiring procedures.
Handling and Transport Safety
Safe practices for moving and handling the air conditioner units.
Installation Location Safety
Guidelines for selecting appropriate installation sites for optimal performance.
Refrigerant Tubing Connection Safety
Procedures and precautions for connecting refrigerant tubing correctly.
Servicing Safety Procedures
Essential safety measures to be followed during maintenance and repair.
Additional Safety Notes
Other safety considerations, including hazards related to refrigerant gas.
SPECIFICATIONS
Unit Specifications
Detailed technical specifications for indoor and outdoor units.
Major Indoor Unit Components
Specific technical details for key components of the indoor unit.
Major Outdoor Unit Components
Specific technical details for key components of the outdoor unit.
Other Component Specifications
Graphs showing sensor resistance versus temperature characteristics.
DIMENSIONAL DATA
Outdoor Unit Dimensions
Diagrams illustrating the physical dimensions of the outdoor unit.
REFRIGERANT FLOW DIAGRAM
Refrigerant Flow Diagram
Schematic illustrating the refrigerant path during operation cycles.
Refrigerant Tubing Insulation
Guidelines for insulating refrigerant tubing to prevent condensation.
PERFORMANCE DATA
Temperature Performance Charts
Graphs showing performance characteristics at different temperatures.
Air Throw Distance Charts
Charts illustrating air velocity and distance based on flap angle.
Operating Frequency Performance Charts
Graphs showing cooling capacity and power input versus operating frequency.
Heating Performance Frequency Charts
Graphs showing heating capacity and power input versus operating frequency.
Cooling Performance Frequency Charts
Graphs showing cooling capacity and power input versus operating frequency.
ELECTRICAL DATA
Electrical Characteristics
Table detailing electrical ratings and performance under various conditions.
Electric Wiring Diagrams
Schematics showing the electrical connections for indoor and outdoor units.
INSTALLATION INSTRUCTIONS
Installation Site Selection
Guidance on choosing optimal locations for indoor and outdoor units.
Wiring Length and Diameter Recommendations
Specifications for power supply wiring, including length and diameter.
Remote Control Unit Mounting
Guidelines for selecting the best mounting location for the remote control.
Conducting a Test Run
Step-by-step instructions for performing a test run of the unit.
Indoor Unit Grille Removal and Installation
Procedure for removing and replacing the indoor unit's front grille.
MAINTENANCE
Remote Control Address Setting
Instructions for setting unique addresses for multiple remote controls.
Connector Disconnection and Connection
Procedure for safely connecting and disconnecting electrical connectors.
FUNCTIONS
Basic Operation Functions
Overview of operating modes like Emergency, AUTO, and SENSOR DRY.
Protective Functions Overview
Details on safety features like overload, freeze, and discharge temperature controls.
Defrost Detection and Release
Explanation of how the unit detects and manages defrost cycles.
Peak Current Cut-off Control
Function to prevent circuit breaker trips by controlling electrical current.
TROUBLESHOOTING
Pre-Inspection and Repair Precautions
Important safety warnings before starting diagnostic procedures.
Self-Diagnostics Procedure
How to initiate and understand the unit's self-diagnostic mode.
Interpreting Self-Diagnostics Lamps
Explanation of indicator lamp patterns for diagnosing unit failures.
Unit Checking Procedures
Procedures for checking unit operation and communication status.
Noise and Interference Issues
Noise Malfunction Causes and Solutions
Causes and corrections for high-frequency noise affecting unit operation.
Electromagnetic Interference Mitigation
How unit switching affects nearby wireless devices and solutions.
ELECTRICAL COMPONENT CHECKS
Insulation Resistance Measurement
Methods for measuring insulation resistance of power cords and unit parts.
Fuse Continuity Check
Procedure for checking fuse continuity using a multimeter.
REFRIGERANT R410A PRECAUTIONS
R410A Refrigerant Characteristics
Properties and composition of R410A refrigerant.
Pre-Servicing Checklist for R410A
Key points to verify before performing service on R410A systems.
Specialized Tools for R410A
List of specialized tools required for servicing R410A systems.
Compressor Malfunction Procedures
Procedure for replacing a malfunctioning compressor.
Refrigerant Leak Detection and Repair
Steps for detecting, repairing, and recharging refrigerant after a leak.
Additional Refrigerant Charging
Guidelines for adding refrigerant when tubes are extended.
Retro-Fitting System Guidelines
Considerations for using existing units or tubing with new refrigerant types.
Using the Remote Control Unit
Remote Control Battery Installation
Instructions for installing batteries in the remote control unit.
Remote Control Unit Usage (Continued)
Optimal Remote Control Placement
Guidance on best practices for remote control placement.
Mounting the Remote Control Unit
Steps for mounting the remote control unit on a wall.
Air Conditioner Operation Modes
Automatic Operation Mode
How the unit automatically switches between cooling and heating modes.
Air Conditioner Operation Modes (Continued)
Manual Operation Mode
Step-by-step guide for manually controlling operation modes and settings.
Air Conditioner Operation Modes (Continued)
Fan Speed Adjustment
Methods for setting automatic or manual fan speeds.
Fan Only Operation
Instructions for operating the unit solely for air circulation.
Air Conditioner Operation Modes (Continued)
Night Setback Mode Explained
Energy-saving feature that adjusts temperature settings for comfort.
Air Conditioner Operation Modes (Continued)
Quiet Operation Mode
Function to reduce fan speed for quieter operation.
High Power Operation Mode
Feature for maximum output operation for 30 minutes.
Special Operating Remarks
"DRY" Operation Details
How the DRY mode operates for dehumidification and comfort.
Heating Operation Considerations
Explanation of heating performance, defrosting, and cold draft prevention.
Timer Setting Procedures
Setting the Current Time
Procedure for setting the current time on the remote control.
Setting the OFF Timer
Steps for programming the unit to turn off at a specific time.
Timer Setting Procedures (Continued)
Setting the ON Timer
Steps for programming the unit to turn on at a specific time.
Setting Daily ON/OFF Repeat Timer
Instructions for setting daily recurring ON/OFF timer programs.
Canceling Timer Programs
Procedure for canceling programmed timer settings.
Using the 1-Hour OFF Timer
1-Hour OFF Timer Functionality
Function to automatically stop the unit one hour after activation.
1-Hour Timer with Daily Repeat
How the 1-Hour OFF Timer interacts with daily timer settings.
Airflow Direction Adjustment
Horizontal Airflow Control
Adjusting vertical vanes for left/right horizontal airflow.
Vertical Airflow and Sweep Control
Using the flap for vertical airflow and sweep functions.
Care and Cleaning (Continued)
Anti-Mold Filter Maintenance
Procedure for checking, cleaning, and replacing the anti-mold filter.
Care and Cleaning (Continued)
Air Clean Filter Installation and Care
How to install, clean, or replace the air clean filter.
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