Gree JKFD5CR/Na-E User Manual

Change for life
Service Manual
Models: JKFD5QSR/Na-E、JKFD5CR/Na-E
JKFD7QSR/Na-M、JKFD7CR/Na-M
JKFD15QSR/Na-M、JKFD15CR/Na-M
JKFD20QSR/Na-M、JKFD20CR/Na-M
JKFD25QS2/Na-M、JKFD25C2/Na-M、JKFD25SX2/Na-M
JKFD40QS2/Na-M、JKFD40C2/Na-M、JKFD40SX2/Na-M
(Refrigerant R410A)
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Gree JKFD5CR/Na-E Specifications

General

Brand	Gree
Model	JKFD5CR/Na-E
Category	Air Conditioner
Language	English

Summary

Ⅰ Product

1. Naming Convention of Products

Explains the product naming structure and its components.

2. Features of Product

Details the key features and advantages of the GREE JKF Series Air-cooled Closed Control Unit.

3. System Principle

Describes the fundamental operating principles and system layout of the unit.

4. Performance Parameters

Lists the technical specifications and performance data for various models.

5. Performance Correction

Provides methods for adjusting cooling capacity based on installation conditions.

6. Installation of the Unit

Covers the procedures and requirements for installing the unit.

7. Electric Installation

Details the electrical connections, wiring diagrams, and requirements.

Ⅱ Control

1. Control of the Unit

Explains the general control logic and operation modes of the unit.

2. Controller

Describes the touch screen controller interface and its functions.

3. The Instruction of DIP Switch

Explains the function and configuration of DIP switches for addressing and capacity.

4. Remote Monitoring

Details the system requirements and procedures for remote monitoring setup.

Ⅲ Maintenance

1. Malfunction List

Lists common malfunctions, their signal sources, and corresponding control logic.

2. Troubleshooting

Provides step-by-step guides for diagnosing and resolving common unit issues.

3. Case Study

Presents real-world scenarios of malfunctions and their analyses and solutions.

4. Power Distribution of the Unit

Details the electrical power distribution diagram and protection components.

5. Disassembly and Assembly of the Unit

Guides on how to safely disassemble and reassemble key unit components.

6. Exploded View and Parts List

Provides visual breakdowns and part numbers for different unit models.