• To study various components and controls used in heat pump. • To evaluate gross heat rejection of the heat pump. • To calculate actual & theoretical c.o.p. Of the system. • To plot system performance on p-h chart.
Ambient temperature= 350 C, atmospheric pressure = 1.01 bar, suction pressure=70 psig, discharge pressure=300 psig, evaporation temperature=7.70 C, discharge temperature=550 C.
| Sub-Title | Parameter | Description | 
|---|---|---|
| Refrigeration Systems | Model | Mechanical Heat Pump Trainer | 
| Rating | 500 Watts gross heat rejection at rated test conditions* | |
| Compressor | Hermetically sealed. Emerson / Tecumseh / Danfoss or equivalent make. | |
| Heat Rejection Calorimeter | Water cooled provided | |
| Heat Absorption Calorimeter | Immersed tube; Direct expansion type | |
| Calorimeter Insulation | Nitrile rubber foam Provided. | |
| Drier/ filter | Molecular sieve type | |
| Expansion device | Capillary Tube | |
| Refrigerant | R-134a | |
| Control & Indicators | HP / LP Cut-out | Danfoss/Alco/ Castle or equivalent make | 
| Temperature | Thermostat with Indication & 6 channel digital display | |
| Pressure | Dial pressure gauges provided | |
| Refrigerant Flow | Glass tube Rotameter | |
| Water Flow | Glass tube Rotameter | |
| Electrical System | Supply | 230 Volts, 50 Hz, 1 phase | 
| Input power | 600 Watts | |
| Rated current | 3.5 Amps. | |
| Fan motor | Induction type | |
| Indicating lamps | Provided for compressor. | |
| Energy-meters | Provided for compressor. | |
| Construction | Material | 1.2 mm thick CRCA | 
| Outer finish | Powder coating | |
| Size | 1000 x 600 x 1100 ( L X B X H ) mm |