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Sanyo SAP-CMRV1934EH User Manual

Sanyo SAP-CMRV1934EH
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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-CMRV1934EH Specifications

General IconGeneral
Capacity1.5 Ton
Star Rating3 Star
Outdoor Unit Weight32 kg
TypeSplit Air Conditioner
Heating CapacityNot Available
Energy Efficiency Ratio (Heating)Not Available
Operating Temperature (Heating)Not Available

Summary

IMPORTANT! Please Read Before Starting

SPECIAL PRECAUTIONS

Key safety instructions for wiring, transport, installation, servicing, and general use.

APPLICABLE INDOOR UNITS

1. OPERATING RANGE

2. SPECIFICATIONS

2-1. Unit Specifications

Technical data for each outdoor unit model.

2-2. Major Component Specifications

Specifications for key internal components.

2-3. Other Component Specifications

Data on sensors and other minor components.

3. DIMENSIONAL DATA

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram

Visual representation of refrigerant circulation.

5. PERFORMANCE DATA

5-1. Temperature Charts & Heating Performance

Performance data related to temperature and heating capabilities.

6. ELECTRICAL DATA

6-1. Electric Wiring Diagrams

Diagrams illustrating electrical connections for outdoor units.

7. FUNCTIONS

7-1. Explanation of Functions

Descriptions of unit operational modes and logic.

7-2. Protective Functions

Defrost & Current Control

Unit's management of defrost mode and operating current.

Other Protective Functions (Low Start, Compressor Temp, HEAT Start-up)

Various protective mechanisms including start current and temp control.

8. TROUBLESHOOTING

8-1. Precautions before Inspection/Repair

Essential safety steps before working on electronic circuits.

8-2. Trouble Diagnosis by Error Monitor Lamps

Using error lamps to identify specific faults.

8-3. Checking the Outdoor System

Verifying outdoor unit operation and defrost function.

8-4. Trouble Diagnosis of Each Part

Diagnosing issues by checking individual components.

8-5. Trouble Diagnosis of Fan Motor

Diagnosing and troubleshooting the outdoor DC fan motor.

9. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT

9-1. Characteristics of New Refrigerant R410A

Properties and composition of the R410A refrigerant.

9-2. Checklist before Servicing

Pre-service checks and considerations for R410A.

9-3. Tools Specifically for R410A

Required tools for servicing R410A systems.

9-4. Tubing Installation Procedures

Guidelines for correctly installing refrigerant tubing.

9-5. In Case of Compressor Malfunction

Procedures for diagnosing and replacing a faulty compressor.

9-6. In Case Refrigerant is Leaking

Steps for detecting, repairing, and recharging refrigerant leaks.

9-7. Charging Additional Refrigerant

Proper method for adding refrigerant.

9-8. Retro-Fitting Existing Systems

Considerations for upgrading systems to R410A.

1. GENERAL

Installation Requirements (Tools, Accessories, Materials)

List of tools, accessories, and materials required for installation.

2. INSTALLATION SITE SELECTION

Unit Placement Guidelines (Indoor, Outdoor, Connection, Dimensions)

Guidelines for selecting unit locations and understanding dimensions.

3. INSTALLATION PROCESS

Tubing and Wiring Procedures (Embedding, Drain, Flaring, Insulation, Taping)

Step-by-step processes for tubing, wiring, and finishing installation.

4. Air Purging

Air Purging with Vacuum Pump

Method for removing air and moisture from the system.

5. Wiring Instructions

Wiring Precautions, Recommendations, and Diagrams

Safety, recommendations, diagrams, and connection procedures for wiring.

6. Test Run

7. Connecting a Home Automation device

8. Installation Check Sheet

9. Electric Wiring Diagram

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