Si30-408
Basic Information 21
B. Basic Information
B. Basic InformationB. Basic Information
B. Basic Information
1. Explanations on P-H Diagram (Refrigerant Characteristics Table).......22
2. Concept of Basic Refrigeration Cycle ...................................................23
3. Points of Refrigerant Control of VRV System .......................................24
3.1 Cooling Operation ..................................................................................24
3.2 Heating Operation ..................................................................................25
3.3 Compressor Capacity Control ................................................................26
3.4 Control of Electronic Expansion Valve ...................................................27
4. Control of Indoor Unit ............................................................................28
4.1 Thermostat-control .................................................................................28
4.2 Drain Pump Control................................................................................30
4.3 Freeze-up Prevention Control ................................................................31
4.4 Heater Control ........................................................................................32
4.5 Thermostat Control in Cooling / Heating Automatic Operation ..............33
5. Other Functional Operations .................................................................35
5.1 Explanations on Main Functional Control...............................................35
5.2 Explanations on Electric and Functional Components ...........................36
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