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Refrigeration And Air Conditioning Components
Actual Cut Section – Display Board (Set Of 30)
This actual cut section model is a set of thirty components used in refrigeration & air conditioning. With the help of this model students can understand the working parts of the components used in refrigeration & air conditioning. 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.
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
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.
Car Air Conditioning 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 Electrolux Type
This type of refrigeration is usually used for domestic purposes only as it is complex in the construction and working. This type of refrigerator was developed in 1925 by Munters and Battzervan when they were studying at Royal Institute of Technology At Stockholm for their undergraduate course. This type of refrigerator was known as three fluid refrigeration system. The elimination of aqua pump from the absorption system with the complete absence of moving parts and work input. The main purpose of removing the pump was to make the machine noiseless. It uses refrigerant as a solvent s and an inlet gas for inlet of the system. The inert gas is continued to the lower side of system only by its system. It is possible to maintain the uniform pressure throughout the system and after sometime permitting the refrigerant to evaporator at low temperature corresponding to its partial pressure. In the high pressure side system (generator and condenser), there exists only the refrigerant which is subjected to total pressure of the system so that it is condensed by using normal cooling water as air as it is done in other system.
The strong aqua ammonia solution is heated in generator by the application of external heat source. The water vapor carried with ammonia vapor is removed in separate form as shown in figure. Then the dry ammonia vapor is passed into the condenser and it is condensed by using external cooling source. The liquid ammonia flows under gravity in the evaporator and it evaporates. The mixture of hydrogen and ammonia vapor is passed into the absorber and the weak solution from aqua ammonia from the separator is allowed to follow into the absorber, through tray this weak aqua ammonia solution comes into contact with hydrogen separated. This strong solution is further passed to the generator and it completes the cycle.
Mechanical Heat Pump Trainer
Heat Pump is a device to pump heat from one source to another. The heat obtained by heat pump is more than that could be obtained by direct electrical heating. The apparatus consists of refrigeration system with water cooled shell and coil type evaporator and condenser.
SPECIFICATIONS:
1.Compressor – Hermetically sealed compressor using R-12 refrigerant, having capacity 0.3 tons of refrigeration. Condensing pressure – max. 15 Kg/cm2 (Actual pressures will depend upon working conditions). 2.Condenser – Shell and coil type with continuous water flow arrangement. 3.Evaporator – Shell and coil type with continuous water flow arrangement. 4.Expansion Valve – Internally equalized thermostatic expansion valve. 5.Measurements – a) Rotameter for condenser & evaporator water flow rate measurement. b) Rotameter for liquid refrigerant flow measurement. c) Pressure gauges for condensing and evaporating pressure – 2 Nos. d) Thermometer for refrigeration cycle & water temp, measurement – 7 e) Wattmeter for compressor input measurement. f) Ammeter for compressor current measurement. 6.Controls – a) HP/LP cutout for compressor. b) Overload protector for compressor. c) Gate valve to control water flow rates. d) Necessary switches and fuse. A technical manual is accompanies the unit.SERVICES REQUIRED:
1.Floor surface area – 2m, X 2m. X 1.5m. height. 2.220V. 15Amp. Single Phase Stabilized power supply.
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.
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