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Sanyo SAP-CMRV1924EH User Manual

Sanyo SAP-CMRV1924EH
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TECHNICAL & SERVICE MANUAL
OUTDOOR UNIT : SAP-CMRV1424EH
SAP-CMRV1924EH
SAP-CMRV1934EH
SAP-CMRV2444EH
SAP-CMRV3144EH
SAP-CMRV1424EH
SAP-CMRV1924EH
SAP-CMRV1934EH
SAP-CMRV2444EH
SAP-CMRV3144EH
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
Outdoor Model No.
SAP-CMRV1424EH
SAP-CMRV1924EH
SAP-CMRV1934EH
SAP-CMRV2444EH
SAP-CMRV3144EH
Capacity
4.0kW
5.6kW
5.6kW
6.8kW
8.0kW
Product Code No.
1 852 330 12
1 852 336 59
1 852 330 13
1 852 330 14
1 852 330 15
FILE NO.
REFERENCE NO. SM700662
< Applicable Indoor Units >
Wall mounted type
For details about the combination, refer to
"Unit Combination Table" in the Appendix of
this manual.
SAP-KMRV74EH
SAP-KMRV94EH
SAP-KMRV124EH
SAP-KRV184EH
SAP-KRV244EH
NOTE
IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
Destination: Europe
Northern Europe

Table of Contents

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Sanyo SAP-CMRV1924EH Specifications

General IconGeneral
BrandSanyo
ModelSAP-CMRV1924EH
CategoryAir Conditioner
LanguageEnglish

Summary

SPECIAL PRECAUTIONS

When Wiring

Electrical safety precautions and wiring guidelines for qualified electricians.

When Transporting

Safe handling procedures for moving indoor and outdoor units.

When Installing

Installation considerations for ceilings, walls, rooms, and specific locations.

When Servicing

Safety measures to follow before and during unit maintenance.

Others

General safety advice regarding ventilation and refrigerant gas.

APPENDIX A INSTALLATION INSTRUCTIONS

APPENDIX B INSTALLATION INSTRUCTIONS

APPENDIX C UNIT COMBINATION TABLES

1. OPERATING RANGE

2. SPECIFICATIONS

2-1. Unit Specifications

Detailed specifications for individual outdoor unit models.

2-2. Major Component Specifications

Specifications for key components like compressor, fan motor, and heat exchanger.

2-3. Other Component Specifications

Specifications for sensors and other auxiliary components.

3. DIMENSIONAL DATA

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram

Diagram illustrating the refrigerant cycle in the outdoor unit.

5. PERFORMANCE DATA

5-1. Temperature Charts

Data on unit performance across different temperature ranges.

5-2. Heating Performance

Performance data specifically for the heating mode of operation.

6. ELECTRICAL DATA

6-1. Electric Wiring Diagrams

Schematic diagrams detailing electrical connections for outdoor units.

7. FUNCTIONS

7-1. Explanation of Functions

Descriptions of the operational modes and features of the air conditioning system.

7-2. Protective Functions

Information on built-in safety features and their operation.

8. TROUBLESHOOTING

8-1. Precautions before Performing Inspection or Repair

Essential safety warnings and procedures before starting any inspection or repair.

8-2. Trouble Diagnosis by Error Monitor Lamps

Guidance on diagnosing faults using error indicator lamps on the control board.

8-3. Checking the Outdoor System

Procedures for checking the operational status of the outdoor unit.

8-4. Trouble Diagnosis of Each Part

Troubleshooting guide for identifying issues in specific unit components.

8-5. Trouble Diagnosis of Fan Motor

Specific troubleshooting steps for diagnosing fan motor problems.

9. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT

9-1. Characteristics of New Refrigerant R410A

Key properties and handling considerations for R410A refrigerant.

9-2. Checklist before Servicing

Pre-service checks and considerations for working with R410A.

9-3. Tools Specifically for R410A

List of specialized tools required for servicing R410A systems.

9-5. In Case of Compressor Malfunction

Procedure for addressing and replacing a malfunctioning compressor.

9-6. In Case Refrigerant is Leaking

Steps for detecting, repairing, and recharging after a refrigerant leak.

9-7. Charging Additional Refrigerant

Guidelines for adding refrigerant to the system, especially when tubes are extended.

9-8. Retro-Fitting Existing Systems

Information on adapting older units or tubing for R410A refrigerant.

1. GENERAL

1-1. Tools Required for Installation (not supplied)

List of tools necessary for installation that are not provided with the unit.

1-2. Accessories Supplied with Unit

Inventory of accessories included with the air conditioning unit.

1-3. Optional Copper Tubing Kit

Details on optional copper tubing kits for connecting indoor and outdoor units.

1-4. Type of Copper Tube and Insulation Material

Specifications for copper tubing and insulation material for system connections.

1-5. Additional Materials Required for Installation

List of supplementary materials needed for completing the installation process.

2. INSTALLATION SITE SELECTION

2-1. Indoor Unit

Guidelines for selecting an appropriate location for the indoor unit.

2-2. Connecting Indoor Units

Procedures for connecting multiple indoor units to the outdoor unit.

2-3. Outdoor Unit

Recommendations for choosing a suitable installation site for the outdoor unit.

2-4. Outer Dimensions of Outdoor Unit

Diagrams showing the external dimensions of various outdoor unit models.

2-5. Diagram of Outdoor Unit Installation

Illustrations detailing the recommended placement and spacing for outdoor unit installation.

3. INSTALLATION PROCESS

3-1. Embedding the Tubing and Wiring

Instructions for routing and securing refrigerant tubing and inter-unit wiring.

3-2. Drain Cap and Drain Elbow

Guidance on installing drain caps and elbows for proper water drainage.

3-3. Use of the Flaring Method

Explanation of the flaring technique used for connecting refrigerant tubes.

3-4. Flaring Procedure with a Flare Tool

Step-by-step instructions for performing tube flaring using a flare tool.

3-7. Insulation of Refrigerant Tubing

Requirements for insulating refrigerant tubing to prevent heat loss and condensation.

3-8. Taping the Tubes

Instructions for taping refrigerant tubes and associated wiring for protection.

3-9. Finishing the Installation

Final steps for completing the installation, including sealing wall penetrations.

4. Air Purging

Air Purging with a Vacuum Pump (for Test Run)

Procedure for removing air and moisture from the refrigerant system using a vacuum pump.

5. Wiring Instructions

5-1. General Precautions on Wiring

Key safety guidelines and precautions for electrical wiring.

5-2. Recommended Wire Length and Diameter

Guidelines for selecting appropriate wire length and diameter based on local codes.

5-3. Wiring System Diagram

Diagrams illustrating the wiring connections between indoor and outdoor units.

5-4. How to Connect Wiring to the Terminal

Detailed steps for connecting wires to the unit terminals correctly.

5-5. Wiring Instructions for the Outdoor Unit

Specific instructions for wiring the outdoor unit, including inter-unit cables.

6. Test Run

7. Connecting a Home Automation device

8. Installation Check Sheet

9. Electric Wiring Diagram

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