• 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 |