Table of Contents
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TECHNICAL & SERVICE MANUAL
OUTDOOR UNIT : SAP-CMRV1424EH
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
SAP-CMRV1424EH
SAP-CMRV1924EH
SAP-CMRV1934EH
SAP-CMRV2444EH
SAP-CMRV3144EH
SAP-CMRV1924EH
SAP-CMRV1934EH
SAP-CMRV2444EH
SAP-CMRV3144EH
Capacity
Outdoor Model No.
4.0kW
SAP-CMRV1424EH
5.6kW
SAP-CMRV1924EH
5.6kW
SAP-CMRV1934EH
6.8kW
SAP-CMRV2444EH
8.0kW
SAP-CMRV3144EH
FILE NO.
Destination: Europe
Product Code No.
1 852 330 12
1 852 336 59
1 852 330 13
1 852 330 14
1 852 330 15
< Applicable Indoor Units >
Wall mounted type
SAP-KMRV74EH
SAP-KMRV94EH
SAP-KMRV124EH
SAP-KRV184EH
SAP-KRV244EH
NOTE
For details about the combination, refer to
"Unit Combination Table" in the Appendix of
this manual.
IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
REFERENCE NO.
Northern Europe
SM
700662
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Summarization of Contents
IMPORTANT! Please Read Before Starting
When Transporting
General guidelines for moving units safely.
When Installing
Installation considerations for various locations and conditions.
When Connecting Refrigerant Tubing
Procedures for connecting refrigerant tubing safely and effectively.
When Servicing
Safety precautions to follow during unit servicing.
Others
Additional safety and operational notes for handling the system.
SPECIAL PRECAUTIONS
When Wiring
Electrical safety precautions for qualified electricians.
2. SPECIFICATIONS
2-1. Unit Specifications
Detailed specifications for outdoor units like capacity and power.
2-2. Major Component Specifications
Specifications for key components like compressor and fan.
2-3. Other Component Specifications
Specifications for sensors and other components.
3. DIMENSIONAL DATA
Outdoor Unit SAP-CMRV1424EH
Physical dimensions and layout of the SAP-CMRV1424EH outdoor unit.
4. REFRIGERANT FLOW DIAGRAM
4-1. Refrigerant Flow Diagram
Diagram illustrating refrigerant flow during operation cycles.
5. PERFORMANCE DATA
5-1. Temperature Charts
Data on temperature charts, which will be available later.
5-2. Heating Performance
Data on heating performance, which will be available later.
6. ELECTRICAL DATA
6-1. Electric Wiring Diagrams
Wiring diagrams for outdoor units, crucial for installation and repair.
7. FUNCTIONS
7-1. Explanation of Functions
Explanation of unit operation modes and functions.
7-2. Protective Functions
Details on protective functions and their operation.
8. TROUBLE SHOOTING
8-1. Precautions before Performing Inspection or Repair
Safety precautions before performing any inspection or repair.
8-2. Trouble Diagnosis by Error Monitor Lamps
How to diagnose issues using error lamps.
8-3. Checking the Outdoor System
Procedures to check the outdoor unit's operation and defrost function.
8-4. Trouble Diagnosis of Each Part
Guide to diagnosing problems with individual system parts.
8-5. Trouble Diagnosis of Fan Motor
Specific troubleshooting steps for the fan motor.
9. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT
9-1. Characteristics of New Refrigerant R410A
Information on R410A refrigerant characteristics.
9-2. Checklist before Servicing
Precautions and checks before servicing with R410A.
9-3. Tools Specifically for R410A
List of specialized tools required for R410A.
9-4. Tubing Installation Procedures
Procedures for installing tubing with R410A.
9-5. In Case of Compressor Malfunction
Procedure for replacing a malfunctioning compressor.
9-6. In Case Refrigerant is Leaking
Steps for detecting, repairing, and recharging after refrigerant leaks.
9-7. Charging Additional Refrigerant
Guidelines for charging additional refrigerant when tubes are extended.
9-8. Retro-Fitting Existing Systems
Considerations for retrofitting existing systems with R410A.
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