Panasonic 4CW056MA01 Applications Manual

TABLE OF CONTENTSSafety Instructions ............................................................................................................................................ 11.0 Structure and Operating Characteristics ..................................................................................................... 21.1 Key Components .................................................................................................................................... 21.2 Scroll Compressor Operating Characteristics ......................................................................................... 21.3 Compressor Design Pressure .................................................................................................................. 31.4 Refrigerant Oil ........................................................................................................................................ 31.5 Compressor Models and Motor Type ..................................................................................................... 42.0 Refrigerating Circuit Design Considerations .............................................................................................. 52.1 Condensing Pressure and Evaporating Pressure ..................................................................................... 52.2 Suction Temperature ............................................................................................................................... 52.3 Discharge Temperature ........................................................................................................................... 62.4 Sub Cooling Degree ............................................................................................................................... 62.5 Liquid refrigerant flood back .................................................................................................................. 62.6 Suction Accumulator .............................................................................................................................. 62.7 Discharge Line Check Valve................................................................................................................... 72.8 Suction Line Strainer .............................................................................................................................. 72.9 Dryer ....................................................................................................................................................... 72.10 Oil separator ......................................................................................................................................... 72.11 System Charge Limit ............................................................................................................................ 82.12 Oil level of the compressor ................................................................................................................... 82.13 Operating Envelope .............................................................................................................................. 82.14 Pipe surface stress ................................................................................................................................. 92.15 Allowable incline .................................................................................................................................. 92.16 Vibration ............................................................................................................................................... 93.0 Electrical Parts and Controller Design Considerations ............................................................................. 103.1 Selection of Electrical Wiring ............................................................................................................... 103.2 Selection of Inverter Driver .................................................................................................................. 123.3 Starting and maximum current of compressor ...................................................................................... 123.4 Starting of compressor .......................................................................................................................... 123.5 Stopping of compressor ........................................................................................................................ 133.6 Rate of revolution speed change ........................................................................................................... 133.7 Defrost operation .................................................................................................................................. 133.8 Cautions of transition phase to lower speed operation ......................................................................... 133.9 Caution for continuous low speed/high speed operation ...................................................................... 13