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Sanyo SAP-CRV12AEH - User Manual

Sanyo SAP-CRV12AEH
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TECHNICAL & SERVICE MANUAL
SAP-KRV9AEH + SAP-CRV9AEH
SAP-KRV12AEH + SAP-CRV12AEH
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Model No.
SAP-KRV9AEH
SAP-KRV12AEH
Product Code No.
1 852 357 80
1 852 357 81
FILE NO.
Outdoor Model No.
SAP-CRV9AEH
SAP-CRV12AEH
Product Code No.
1 852 357 84
1 852 357 85
REFERENCE NO. SM0909902
Destination: Europe
Indoor Unit Outdoor Unit
SAP-KRV9AEH
SAP-KRV12AEH
SAP-CRV9AEH
SAP-CRV12AEH
RoHS
WARNING
This product does not contain any hazardous substances prohibited by the RoHS Directive.
• You are requested to use RoHS compliant parts for maintenance or repair.
• You are requested to use lead-free solder.
Do not vent R410A into atmosphere : R410A is a fluorinated greenhouse gas,
covered by Kyoto Protocol, with a Global Warming Potential (GWP) = 1975.
F-GAS REGULATION (EC) No 842 / 2006

Table of Contents

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Sanyo SAP-CRV12AEH Specifications

General IconGeneral
Cooling Capacity3.5 kW
Power Supply220-240V, 50Hz
RefrigerantR410A
Star Rating3 Star
TypeSplit

Summary

SAFETY PRECAUTIONS

Symbol Indication

Describes warning and prohibition symbols used in the manual.

OPERATING RANGE

REFRIGERANT R410 A SPECIAL PRECAUTIONS WHEN SERVICING UNIT

Characteristics of New Refrigerant R410 A

Details the properties and composition of R410A refrigerant.

Checklist before Servicing

Pre-servicing checks required for R410A units.

Tools Specifically for R410 A

Lists the specific tools required for servicing R410A.

Tubing Installation Procedures

Provides guidelines for installing R410A tubing.

In Case of Compressor Malfunction

Outlines troubleshooting steps for compressor issues.

In Case Refrigerant is Leaking

Details the procedure for handling refrigerant leaks.

Charging Additional Refrigerant

Describes the process for adding refrigerant.

Retro-Fitting Existing Systems

Provides guidelines for upgrading older systems.

SPECIFICATIONS

Unit Specifications

Technical details and specifications of the air conditioner units.

Major Component Specifications

Specifications of key internal components.

Indoor Unit

Component specifications for the indoor unit.

Outdoor Unit

Component specifications for the outdoor unit.

DIMENSIONAL DATA

REFRIGERANT FLOW DIAGRAM

Refrigerant Flow Diagram

Diagram showing the path of refrigerant through the system.

PERFORMANCE DATA

Temperature Charts

Cooling and heating performance charts based on temperature.

Air Throw Distance Charts

Charts illustrating air throw distance under various conditions.

ELECTRICAL DATA

Electrical Characteristics

Electrical specifications of the air conditioner units.

Electric Wiring Diagrams

Wiring diagrams for the indoor and outdoor units.

FUNCTIONS

Main Functions

Overview of the air conditioner's primary functions.

Cooling Mode

Description of the cooling operation mode.

Dry Mode

Description of the dry operation mode for humidity control.

Fan Mode

Description of the fan-only operation mode.

Heating Mode

Description of the heating operation mode.

Auto Changeover Mode

Automatic selection of operation mode based on ambient temperature.

Auto Fan Speed Mode

Automatic adjustment of indoor fan speed.

Louver Control

Control of the air outlet louvers for airflow direction.

Sleep Function

Energy-saving sleep mode for temperature adjustment.

Timer Function

Setting timers for automatic operation start and stop.

Auto-restart Function

Unit restarts automatically after a power failure.

Turbo Function

High-speed fan operation for rapid cooling or heating.

Control Specifications

Frequency Control

Management of compressor frequency for optimal performance.

3-minutes Standby

Compressor delay mechanism after shutdown.

Compressor Protection Function

Safety features to protect the compressor.

Discharge Pipe Control

Control based on discharge pipe temperature.

Input Current Control

Control based on input current.

Freeze-up Protection Control

Prevents heat exchanger freezing during cooling.

Heating Peak-Cut Control

Prevents abnormal high pressure during heating.

Defrost Control

Management and operation of the defrost cycle.

Fan Control

Rules and priorities for fan operation.

Temperature Sensor Malfunction Detection

Detection and handling of temperature sensor faults.

TROUBLESHOOTING

Precautions before Performing Inspection or Repair

Safety guidelines before starting inspection or repair.

Confirmation

Verification of power supply and voltage.

Troubleshooting from Error Display

Guide to error codes and their corresponding repairs.

How to check the main part

General troubleshooting steps for main components.

Malfunction of power supply from indoor unit to outdoor unit

Troubleshooting power supply issues between units.

Indoor fan does not rotate.

Steps to diagnose and fix a non-rotating indoor fan.

Temperature sensor malfunction

Troubleshooting steps for temperature sensor errors.

Malfunction diagnosis of start-up failure

Diagnosing and resolving start-up failures.

Diagnosis of losing synchronism for compressor

Troubleshooting compressor synchronism issues.

Diagnosis of overload and discharge malfunction

Troubleshooting overload and discharge problems.

Process of communication circuit detection

Diagnosing and resolving communication circuit errors.

DISASSEMBLY PROCEDURE

Disassembly Procedure of Indoor Unit

Step-by-step guide for disassembling the indoor unit.

Remove the air filters

Instructions for removing the air filters from the indoor unit.

Opening and shutting front panel

Procedure for opening and closing the indoor unit's front panel.

Opening and closing of service cover

Instructions for accessing and closing the service cover.

Removing front grille assembly

Steps to remove the front grille assembly.

Removing the vertical blade

Instructions for removing the vertical louvers.

Removing the electrical box

Steps to remove the electrical box from the indoor unit.

Removing the shield plate

Instructions for removing the shield plates.

Disconnecting the refrigerant piping

Procedure for safely disconnecting refrigerant piping.

Removing the indoor unit

Steps to remove the indoor unit from its mounting plate.

Removing the cross flow fan motor

Instructions for removing the cross flow fan motor.

Fan Motor and Assembly Removal

Steps for removing fan motor and related assembly parts.

Disassembly Procedure of Outdoor Unit

Step-by-step guide for disassembling the outdoor unit.

Removing the stop valve cover

Instructions for removing the stop valve cover.

Removing air filters

Instructions for removing outdoor unit air filters.

Removing the fan motor

Steps to remove the outdoor unit's fan motor.

Removing the electrical box

Steps to remove the electrical box from the outdoor unit.

Removing the partition plate

Instructions for removing the partition plate.

Removing the sound blanket

Instructions for removing the sound blanket.

Removing the four way valve coil

Steps to remove the four-way valve coil.

Disassembling the compressor section

Steps to disassemble the compressor section of the outdoor unit.

REFRIGERANT R410 A SPECIAL PRECAUTIONS WHEN SERVICING UNIT

Characteristics of New Refrigerant R410 A

Properties of R410A refrigerant.

Checklist before Servicing

Pre-servicing checks for R410A.

Tools Specifically for R410 A

Tools required for R410A servicing.

Tubing Installation Procedures

Guidelines for installing R410A tubing.

In Case of Compressor Malfunction

Procedure for compressor replacement.

In Case Refrigerant is Leaking

Steps for handling refrigerant leaks.

Charging Additional Refrigerant

Procedures for adding refrigerant.

Retro-Fitting Existing Systems

Guidelines for system upgrades.

APPENDIX A INSTRUCTION MANUAL

FEATURES

PRODUCT INFORMATION

ALERT SYMBOLS

INSTALLATION LOCATION

ELECTRICAL REQUIREMENTS

SAFETY INSTRUCTIONS

USAGE POINTS

Working Principle and Special Functions for Cooling

Cooling mode principles and special functions.

Working Principle and Special Functions for Heating

Heating mode principles and special functions.

Working Temperature Range

Operating temperature limits for cooling and heating.

NAMES AND FUNCTIONS OF PARTS

OPERATION OF WIRELESS REMOTE CONTROL UNIT

Remote Control Unit (Display)

Overview of the remote control unit display and symbols.

Remote Control Unit Functions

Detailed explanation of remote control buttons and functions.

General Operation

Step-by-step guide for basic air conditioner operation.

Using the 24-Hour “ON” or “OFF” Timer

Instructions for setting ON/OFF timers.

SLEEP Operation

How to use the energy-saving sleep mode.

“SPECIAL” Features

Explanation of special operational features.

How to Remove and Install Batteries

Guide for replacing batteries in the remote control.

Using the Remote Control Unit

Basic guidelines for using the remote control unit.

Emergency Operation

Instructions for manual operation when remote is lost/broken.

CLEANING AND CARE

Clean the Front Panel

Steps for cleaning the indoor unit's front panel.

Cleaning the Air Filters

Instructions for cleaning the air filters.

Check Before Using

Essential checks before operating the unit.

Maintenance After Use

Recommended maintenance tasks after using the unit.

ADJUSTING THE AIRFLOW DIRECTION CORRECTLY

TROUBLESHOOTING

APPENDIX B INSTALLATION INSTRUCTIONS

IMPORTANT! Please Read Before Starting

SPECIAL PRECAUTIONS

When Wiring

Safety precautions specifically for wiring procedures.

When Transporting

Safety precautions related to transporting the units.

Requirements for Installation

Basic Requirements for Installation Location

Criteria for selecting a suitable installation location.

Indoor Unit Installation Position Selection

Guidelines for selecting the indoor unit's position.

Outdoor Unit Installation Position Selection

Guidelines for selecting the outdoor unit's position.

Safety Requirements for Electrical Devices

Safety rules for electrical devices used in installation.

Grounding (Earthing) Requirements

Procedures and importance of proper grounding.

Type of Copper Tube and Insulation Material

Specifications for copper tubes and insulation materials.

Other Wiring Considerations

Additional notes and considerations for wiring.

Installation Dimension Diagram

Install Indoor Unit

Install the Rear Panel

Steps for installing the rear panel of the indoor unit.

Install the Tubing Hole

Procedure for creating the tubing hole in the wall.

Install the Drain Hose

Instructions for installing the drain hose.

Connect the Indoor and Outdoor Wiring

Connects indoor and outdoor units via wiring, including instructions.

How to Install the Indoor Unit

Final steps for installing the indoor unit securely.

Install Outdoor Unit

Wiring Instructions for the Outdoor Unit

Guidelines for wiring the outdoor unit.

Refrigerant Tubing

Refrigerant tubing installation, flaring, and connection procedures.

Air Purging

Procedure for purging air and moisture from the refrigerant system.

Tubing Length

Guidelines for maximum allowable tubing length and elevation.

Outdoor Condensation Drainage

Instructions for managing outdoor unit condensation drainage.

Accessories

List of accessories supplied with the unit.

PUMP DOWN

What is Pump Down?

Explanation of the pump down process for refrigerant collection.

Pump Down Procedure

Step-by-step guide for performing pump down.

CHECK AFTER INSTALLATION AND TEST RUN

Check After Installation

Checklist of items to verify after installation.

Test Run

Procedures for conducting the unit's test run.

Electric Wiring System

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