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Contents
1. General Description ........................................................................................ 6
1.1 Coding Principle ...................................................................................... 7
1.2 Features .................................................................................................. 7
1.3 Technical Specifications ......................................................................... 9
1.3.1 External Dimensions ..................................................................... 9
1.3.2 Specification List......................................................................... 10
1.4 Safety Regulations ................................................................................ 12
1.4.1 Security Labels ........................................................................... 12
1.5 Exemption Clause ................................................................................. 13
2. Structural Features and Working Principle ................................................. 14
2.1 Main Functions...................................................................................... 14
2.1.1 Working Principle........................................................................ 14
2.2 Main Components and Functions ......................................................... 16
2.2.1 Compressor ................................................................................ 16
2.2.2 Condenser .................................................................................. 16
2.2.3 Drying Filter ................................................................................ 16
2.2.4 Thermal Expansion Valve ........................................................... 17
2.2.5 Evaporator .................................................................................. 17
2.2.6 High and Low Pressure Controller .............................................. 17
2.2.7 Fluid Reservoir ........................................................................... 18
2.3 Options ................................................................................................. 19
2.3.1 Refrigerant Indicator ................................................................... 19
2.3.2 Liquid Pipe Solenoid Valve ......................................................... 19
2.3.3 Hot-gas By-pass Valve ............................................................... 19
2.3.4 Flow Switch ................................................................................ 20
2.3.5 Liquid Level Indicator .................................................................. 20
2.4 Main Electrical Components ................................................................. 21
2.4.1 Thermal Overload Relay ............................................................. 21
3. Installation and Debugging ........................................................................... 22
3.1 Installation Notices ................................................................................ 22
3.2 Installation Diagram .............................................................................. 24
3.3 Power Connection ................................................................................. 24
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