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Sanyo SAP-CMRV1926EH - User Manual

Sanyo SAP-CMRV1926EH
148 pages
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TECHNICAL & SERVICE MANUAL
OUTDOOR UNIT : SAP-CMRV1426EH
SAP-CMRV1926EH
SAP-CMRV1936EH
SAP-CMRV2446EH
SAP-CMRV3146EH
SAP-CMRV1426EH
SAP-CMRV3146EH
SAP-CMRV1926EH
SAP-CMRV1936EH
SAP-CMRV2446EH
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
Outdoor Model No.
SAP-CMRV1426EH-F
SAP-CMRV1926EH-F
SAP-CMRV1936EH-F
SAP-CMRV2446EH-F
SAP-CMRV3146EH-F
Capacity
4.0kW
5.6kW
5.6kW
6.8kW
8.0kW
Product Code No.
1 852 355 43
1 852 355 44
1 852 355 45
1 852 355 46
1 852 355 47
REFERENCE NO. SM700846
< Applicable Indoor Units >
For details about the combination, refer to "Unit
Combination Table" in the Appendix of this manual.
NOTE
Wall mounted type
SAP-KRV96EHDSA
SAP-KRV126EHDS
SAP-KMRV76EH
SAP-KMRV96EH
SAP-KMRV126EH
SAP-KRV186EH
SAP-KRV246EH
Destination: Europe
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.
FILE NO.
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-CMRV1926EH Specifications

General IconGeneral
BrandSanyo
ModelSAP-CMRV1926EH
CategoryAir Conditioner
LanguageEnglish

Summary

Important! Please Read Before Starting

When Transporting

Safety guidelines for moving indoor and outdoor units to prevent injury.

When Installing

Guidelines for selecting unit location and ensuring secure mounting.

When Connecting Refrigerant Tubing

Procedures for making leak-free refrigerant tube connections.

When Servicing

Precautions and steps for safe unit maintenance and repair.

Others

General safety and operational notes for installation and testing.

SPECIAL PRECAUTIONS

When Wiring

Critical safety instructions for electrical wiring to prevent shock.

1. OPERATING RANGE

2. SPECIFICATIONS

2-1. Unit Specifications

Detailed technical data for each unit model, including capacity and ratings.

2-2. Major Component Specifications

Specifications for key internal components like compressor and fan motor.

2-3. Other Component Specifications

Specifications for sensors and other auxiliary components.

3. DIMENSIONAL DATA

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram

Schematic illustrating refrigerant circulation paths during operation modes.

5. PERFORMANCE DATA

5-1. Temperature Charts

Performance curves based on varying temperature conditions.

6. ELECTRICAL DATA

6-1. Electric Wiring Diagrams

Diagrams showing electrical connections for the unit's components.

7. FUNCTIONS

7-1. Explanation of Functions

Detailed descriptions of unit operating modes and features.

7-2. Protective Functions

Explanation of safety features and operational protections.

8. TROUBLESHOOTING

8-1. Precautions before Performing Inspection or Repair

Essential safety warnings and precautions before starting any inspection.

8-2. Trouble Diagnosis by Error Monitor Lamps

Interpreting error codes indicated by lamps on the circuit board.

8-3. Checking the Outdoor System

Procedures for diagnosing and checking the outdoor unit's operation.

8-4. Trouble Diagnosis of Each Part

Systematic checks for individual unit components.

8-5. Trouble Diagnosis of Fan Motor

Specific troubleshooting steps for the fan motor assembly.

9. REFRIGERANT R410 A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT

9-1. Characteristics of New Refrigerant R410 A

Properties, components, and characteristics of R410A refrigerant.

9-2. Checklist before Servicing

Pre-service checks and preparations specific to R410A systems.

9-3. Tools Specifically for R410 A

List of required tools for servicing R410A refrigerant systems.

9-4. Tubing Installation Procedures

Correct methods and precautions for installing refrigerant tubing.

9-5. In Case of Compressor Malfunction

Procedure for diagnosing and replacing a malfunctioning compressor.

9-6. In Case Refrigerant is Leaking

Procedures for detecting, repairing, and recharging refrigerant leaks.

9-7. Charging Additional Refrigerant

Guidelines for charging the correct amount of refrigerant.

9-8. Retro-Fitting Existing Systems

Considerations when updating older systems to use R410A.

INSTALLATION INSTRUCTIONS

1. GENERAL

Overview of installation requirements, tools, and materials.

2. INSTALLATION SITE SELECTION

Guidelines for choosing optimal locations for indoor and outdoor units.

3. INSTALLATION PROCESS

Step-by-step procedures for installing the system, including tubing and wiring.

4. AIR PURGING

Procedures for removing air and moisture from the refrigerant circuit.

5. WIRING INSTRUCTIONS

Guidelines and diagrams for electrical connections and wiring.

6. TEST RUN

Procedures to verify system functionality and connections after installation.

7. CONNECTING A HOME AUTOMATION DEVICE

Instructions for integrating optional home automation devices.

8. INSTALLATION CHECK SHEET

A checklist to ensure all installation steps are completed correctly.

9. ELECTRIC WIRING DIAGRAM

Detailed wiring diagrams for the system's electrical connections.

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