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Sanyo SAP-CRV93EH User Manual

Sanyo SAP-CRV93EH
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TECHNICAL & SERVICE MANUAL
SAP-KRV93EH + SAP-CRV93EH
SAP-KRV123EH + SAP-CRV123EH
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
SAP-CRV93EH
SAP-CRV123EH
AIR CO
N
DITIONER
IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
SAP-KRV93EH
SAP-KRV123EH
FILE NO.
REFERENCE NO. SM700590
W
Indoor Unit Outdoor Unit
Indoor Model No. Product Code No.
SAP-KRV93EH 1 852 089 81
SAP-KRV123EH 1 852 089 80
Outdoor Model No. Product Code No.
SAP-CRV93EH 1 852 089 85
SAP-CRV123EH 1 852 089 84
Destination: Europe

Table of Contents

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Sanyo SAP-CRV93EH Specifications

General IconGeneral
BrandSanyo
ModelSAP-CRV93EH
CategoryAir Conditioner
LanguageEnglish

Summary

Important Safety and Operation Guidelines

Safety Precautions and Installation Guidelines

Covers safe handling, installation, wiring, servicing, and general precautions for safe operation.

1. OPERATING RANGE

Operating Range Specifications

Defines the permissible indoor and outdoor air intake temperatures for cooling and heating operations.

2. SPECIFICATIONS

Unit Specifications

Provides detailed technical specifications for indoor and outdoor units, including performance and electrical ratings.

2-2. Major Component Specifications

Indoor Unit Component Details

Details specifications for indoor unit components like PCB, remote control, fan motor, and heat exchanger.

2-2-2. Outdoor Unit Component Specifications

Outdoor Unit Component Details

Details specifications for outdoor unit components like PCB, compressor, fan motor, and heat exchanger.

2-3. Other Component Specifications

Sensor Resistance Characteristics

Graphs showing resistance vs. temperature for various unit sensors.

3. DIMENSIONAL DATA

Unit Dimensions and Installation Clearances

Provides diagrams and measurements for indoor and outdoor unit dimensions and required clearances.

4. REFRIGERANT FLOW DIAGRAM

Refrigerant Flow and Tubing Insulation

Illustrates the refrigerant circuit and emphasizes proper insulation of refrigerant tubing.

5. PERFORMANCE DATA

Temperature Performance Charts

Charts detailing cooling and heating performance based on temperature conditions.

5-2. Air Throw Distance Charts

Air Throw Distance Performance

Graphs showing air velocity and throw distance for different flap angles and modes.

5-3. Operating Frequency Charts

Operating Frequency Performance

Charts illustrating cooling and heating capacity and power input versus operating frequency.

6. ELECTRICAL DATA

Electrical Characteristics

Lists electrical parameters such as running amperes and power input for various unit components.

6-2. Electric Wiring Diagrams

Wiring Diagrams for Unit Components

Provides detailed electrical wiring schematics for the indoor and outdoor units.

7. INSTALLATION INSTRUCTIONS

Installation Site Selection

Guidelines for choosing optimal locations for indoor and outdoor units, considering airflow, environment, and safety.

Recommended Wire Length and Diameter

Specifies appropriate wire sizes and maximum lengths for power supply connections, adhering to local codes.

Remote Control Unit Installation Position

Recommendations for mounting the remote control unit for optimal signal reception and preventing interference.

Test Run Procedure

Step-by-step guide for performing a test run to verify the air conditioner's operation.

Indoor Unit Grille Removal and Installation

Instructions on how to safely remove and replace the indoor unit's front grille for access.

8. MAINTENANCE

Remote Control Unit Address Setting

Procedure for setting addresses to prevent interference between multiple remote controllers.

Outdoor Unit Connector Handling

Explains how to safely disconnect and reconnect electrical connectors on the outdoor unit.

9. FUNCTIONS

Operation Functions Overview

Describes various operating modes including Emergency, Auto, Dry, and sensor-based controls.

9-2. Protective Functions

Protective Functions and Safety Mechanisms

Details overload prevention, freeze prevention, and compressor discharge temperature control.

Defrost Detection and Release

Explains the reverse-cycle defrosting process, its detection, and release criteria.

10. TROUBLESHOOTING

Self-Diagnostics Procedure and Interpretation

Guides on executing self-diagnostics and interpreting lamp indicators for fault identification.

Checking Indoor and Outdoor Units

Procedures for checking unit operation via test run, voltage measurement, and serial communications.

Outdoor Fan Motor Troubleshooting

Steps for diagnosing and resolving issues with the outdoor DC fan motor.

Noise Malfunction and Electromagnetic Interference

Mitigating Noise and Interference Issues

Discusses susceptibility to external noise and methods to prevent interference with wireless devices.

11. CHECKING ELECTRICAL COMPONENTS

Measurement of Insulation Resistance

Procedures for measuring insulation resistance of power cords, unit chassis, and internal electrical parts.

Checking Continuity of Fuse on PCB Ass'y

Steps to check the continuity of a fuse on the Printed Circuit Board assembly using a multimeter.

12. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT

Characteristics and Handling of R410A Refrigerant

Information on R410A composition, properties, and precautions for servicing.

Tools and Procedures for R410A Servicing

Lists specialized tools for R410A and tubing installation procedures, including flare specifications.

12-5. Compressor Malfunction

Compressor Replacement Procedure

Step-by-step guide for replacing the compressor, including refrigerant recovery and evacuation.

12-6. Refrigerant Leakage

Refrigerant Leak Detection and Repair

Procedures for detecting leaks, recovering refrigerant, welding, and recharging.

12-7. Charging Additional Refrigerant

Charging Refrigerant for Extended Tubes

Instructions for charging additional refrigerant when tubes are extended, emphasizing liquid state.

12-8. Retro-Fitting Existing Systems

Compatibility with Existing Units and Tubing

Precautions for retrofitting R22 systems with R410A, including tubing compatibility.

Features

Key Operational Features

Overview of features like microprocessor control, remote operation, timers, fan speeds, and air sweep.

Product Information

Product and Dealer Information Recording

Section for recording model number, serial number, and dealer details.

Alert Symbols

Understanding Safety Alert Symbols

Explains the meaning of WARNING and CAUTION symbols used in the manual.

Installation Location

Site Selection Guidelines and Warnings

Recommends proper installation by technicians and warns against unsuitable locations.

Electrical Requirements

Electrical Installation Compliance

States that all wiring must conform to local codes and be done by a qualified electrician.

Safety Instructions

Safe Usage and Handling Precautions

Provides essential safety guidelines for operating and interacting with the air conditioner.

Names of Parts

Identification of Unit Components

Identifies key parts of the indoor and outdoor units, including air intake/outlet and refrigerant tubes.

Unit Display and Operation Button

Indoor Unit Indicator Lamps and Operation

Explains the function of the OPERATION, TIMER, QUIET lamps and the OPERATION button on the indoor unit.

Remote Control Unit (Display)

Remote Control Display Symbols Explained

Lists and explains the various symbols displayed on the remote control unit.

Remote Control Unit

Remote Control Unit Buttons Overview

Identifies the main buttons on the remote control unit, such as Transmitter, Sensor, and Display controls.

Remote Control Unit Button Functions

Details the functions of Mode, Fan Speed, Night Setback, Flap, High Power, and Timer buttons.

Remote Control Unit Sensor and Display Controls

Explains the SENSOR button, temperature/time display selectors, ACL button, and address switch.

Using the Remote Control Unit

Remote Control Operation and Signal Path

Instructions on aiming the transmitter and ensuring a clear path to the receiver for proper operation.

Remote Control Unit Mounting Guidelines

Recommendations for securely mounting the remote control unit for consistent use.

Operation with the Remote Control Unit

Automatic Operation Mode

Explains how the unit automatically switches between cooling and heating based on temperature settings.

Manual Operation Mode

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

Fan Speed Adjustment

Instructions for adjusting fan speed automatically or manually.

Fan Only Operation Mode

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

Night Setback Mode

Energy-saving mode that adjusts temperature settings automatically for comfort.

Quiet Operation Mode

Reduces fan speed to provide quieter operating sound.

High Power Operation Mode

Increases output for 30 minutes, overriding temperature settings.

Special Remarks

DRY Operation Details

Explains the functionality and limitations of the DRY operation mode.

Heating Performance and Defrosting

Discusses heating efficiency at low temperatures and the automatic defrosting system.

Cold Draft Prevention and Other Sounds

Explains cold draft prevention and normal clicking sounds from unit expansion/shrinkage.

Setting the Timer

How to Set the Present Time

Step-by-step guide for setting the current time on the remote control.

How to Set the OFF Time

Instructions for setting the timer to automatically stop the air conditioner.

How to Set the ON Time

Instructions for setting the timer to automatically start the air conditioner.

Setting Daily ON/OFF Repeat Timer

Guides on setting daily repeating ON/OFF timer programs for automated operation.

Using the 1-Hour OFF Timer

1-Hour OFF Timer Functionality

Explains how the unit operates for one hour then stops, and how to cancel the function.

Tips for Energy Saving

Energy Saving Recommendations

Provides practical tips for optimizing energy efficiency, such as filter maintenance and managing room conditions.

Adjusting the Airflow Direction

Horizontal and Vertical Airflow Adjustment

Instructions for manually adjusting vertical vanes and flap positions for optimal airflow.

Operation without the Remote Control Unit

Manual Operation via Indoor Unit Button

How to operate the unit using the button on the indoor unit when the remote is unavailable.

Care and Cleaning

Casing and Grille Cleaning Instructions

Guidelines for safely and effectively cleaning the indoor unit's casing and grille.

Anti-Mold Filter Maintenance Procedure

Instructions for removing, cleaning, and replacing the anti-mold filter.

Air Clean Filter Installation and Care

How to install, clean, and replace the air clean filter for air purification.

Main Unit and Remote Control Cleaning

Advice on cleaning the main unit and remote control unit.

Troubleshooting

Troubleshooting Common Issues

Lists common problems, possible causes, and suggested remedies for the air conditioner.

Operating Range Limitations

Defines the permissible indoor and outdoor air intake temperatures for cooling and heating.

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