Gree JKFD7CR/Na-M

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GREE Air-ccoled Closed Control Unit Service Manual

2.3 Discharge Temp Protection for Compressor

2.4 Overload Protection of Compressor

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Table of Contents2
Ⅰproduct4
Naming Convention of Products5
Features of Product6
System Principle8
Flowchart of the System8
Description of the System8
Performance Parameters9
Rformance Correction16
Correction of Cooling Capacity16
Coefficient of Correction Table for Various Conditions of Installation17
Installation of the Unit19
Installation Diagram of the Complete Unit19
Outline Dimension of the Unit19
Installation Dimension and Space26
Requirements of Installation31
Electric Installation36
Electrical Installation36
Matching Form of Power Cord and Air Switch40
Ⅱ Control42
Control of the Unit42
General Control42
Introduction to Key Control Logic of the Unit44
Controller45
Homepage45
User Setting Interface47
Running Status Interface51
Event Log54
Parameter Setting55
System Information58
Touch Screen Caring, Humidifier Maintenance and Installation Notice62
The Instruction of DIP Switch64
Address Code64
Capacity Code65
Remote Monitoring66
Installation66
Operation68
Display Interface78
Unit and Equipment Management80
Parameter Control84
Running Parameter View87
User and Role Management88
Others90
Ⅲ Maintenance91
Malfunction List91
Troubleshooting96
High Pressure Protection of Compressor96
Low Pressure Protection of Compressor97
Discharge Temp Protection for Compressor98
Overload Protection of Compressor98
Overload Protection of Indoor Fan99
Temperature Protection of Electric Heater99
Low Current Malfunction, Drainage Malfunction and High Water Level Malfunction of Humidifier100
Low Air Pressure Malfunction of Indoor Fan101
Alarm for Blocking Filter102
Case Study103
Power Distribution of the Unit106
Power Distribution Diagram106
Circuit Diagram108
On the Unit Is the Standard.)108
Introduction for Main Electric Parts117
Disassembly and Assembly of the Unit119
Introduction to Key Parts119
Assembly and Disassembly of Parts121
Exploded View and Parts List123

Table of Contents

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