This unit is used for demonstration of a normal household refrigerator operation. Individual components are clearly shown. Temperatures and pressures at various points are indicated. Sight glasses are provided to indicate the state of the refrigerant.
- Study of layout and process diagram.
- Observation of pressures and temperatures.
- Using a p-h state diagram.
|. Compressor||: Hermetic.|
|. Condenser||: Tube with wire grid.|
|. Evaporator||: Circular chamber.|
|. Refrigerant||: R134a.|
|. Sight glasses||: 3 ea at compressor exit, condenser exit and expansion valve inlet.|
|. Measuring instruments|
|- Pressure gauges||: 2 ea.|
|- Temperatures||: 5 ea.|
|. Power supply||: 220V 1Ph 50Hz. Other power supply is available on request.|