Description
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Refrigerant Charging Unit
This charging unit is fitted with motorised vacuum pump and other safety devices like pressure gauge. With the help of this charging unit students can charge the refrigerant gases into compressor or store the gas of a refrigerator or air conditioner inside the cylinder fitted inside the charging unit that can be used later.
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Water Cooler Trainer
The apparatus consists of a storage water tank, embraced by evaporator coil of the cooling unit, cooling cycle comprises of a hermetically sealed compressor, air-cooled condenser, a capillary tube as expansion device and an evaporator cell. The stainless steel water tank is provided with insulation on air Sides and a door are provided at the top. Cold water can be taken out from a top provided and inlet water supply is controlled by a bail-operated top. Various measurements provided enable students to determine the theoretical and actual COP, power consumption, actual cooling capacity refrigerant flow and compressor volumetric efficiency of compressor.
SPECIFICATIONS:
Cooling Cycle a) Compressor Hermetically sealed type, having the capacity of 1/3 ton of refrigeration using R-12 refrigerant. b) Finned tube type air colled condenser with forced air flow. c) Filter cum drier for refrigerant. d) Capacity expansion device. e) Evaporator coil embraced on stainless steel water tank, Provided with glass wool Insulation. 2.Water drain tap and float operated inlet water tap are provided for water tank with insulated lift door at top. 3.Measurement a) Pressure gauges for evaporating and condensing pressure. b) Thermometers to measure refrigerant temperatures at inlet and out let of condenser and evaporator. c) Dial type thermometer for water temperature. d) Rotameter to measure liquid refrigerant flow. e) Energymeter to measure compressor Input. 4.Safely & Controls – a) Thermostat to put off compressor at set water temperature. b) Pressostat to put off compressor if high or low pressure Goes out of set limit. c) Over load protector for compressor, A technical manual will be supplied along – with the unit. Also, the unit is provided with an attractive and anti corrosion powder costing.SERVICES REQUIRED:
1.Floor space of 1.5 m. X 1.5 m. 2.Water supply of 5 lit/min, 3.230 V, 15A AC stabilized supply with earthing connection
Domestic Refrigerator Actual Cut Section
This model will be made out of original parts. The model will be suitably sectioned to demonstrate the internal construction details showing the minute information, and working of the same, the model will be suitably painted and mounted on a metal or wooden base & supplied with key card & very interesting literature regarding working of the same.
Air Conditioning Trainer Window Type
Window air conditioner is becoming now a day’s necessity. The unit demonstrates the application of window air conditioner & evaluation of its performance. It consists of a small room to which a small air conditioner is connected the room is provided with a transparent front cover with a heater inside to simulate heat load in the room. Various measurements are provided so that performance of system that is COP of system, actual & theoretical cooling capacity of system & power consumption of unit with different load conditions.
SPECIFICATIONS:
1.Compressor – Hermetically sealed, Kirloskar make, having the capacity of 1/10 ton of refrigeration using R-12 refrigerant to keep room temperature between 20 to 30 c. 2.Condenser – Finned tube type, with forced air flow over the tubes, 3.Capillary tube of matched length as expansion device. 4.Evaporator – Finned tube type with forced air flow, 5.Room – 0.6 X 0.7 X 0.7 m. height, provided with transparent front wall. A heater with input control is provided inside the room. Which simulates different load conditions. 6.Measurements and Controls a) H.P. / L.P. Pressure gauges b) Digital temperature indicator to measure the temperatures at various points. c) Energy meters to measure input to compressor & heater. d) High and low pressure cutout. e) Thermostat to put off the compressor at set room temperature. f) Necessary switch for electrical components.SERVICES REQUIRED:
1.Floor area of 2m X 1 m. 2.230V, 15AC stabilized supply with earthing connection
Rotary Compressor Actual Cut Section
This model will be made out of original parts. The model will be suitably sectioned to demonstrate the internal construction details showing the minute information, and working of the same, the model will be suitably painted and mounted on a metal or wooden base & supplied with key card & very interesting literature regarding working of the same.
Refrigeration Trainer General Cycle Type
The unit consists of vapor compression refrigeration cycle provided with components normally used in refrigeration system so that student can get familiar with the components. Various measurement provided enable students to estimate the performance of the system.
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