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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.
Ice Plant Trainer
The Plant uses ice can system. The cans filled with fresh wafer are kept in a tank in which brine is circulated. The brine is cooled by the refrigerant, which in turn cools the water in can and ice formation takes place.
SPECIFICATIONS:
1.Compressor : Kirioskar make hermetically sealed compressor using R 12 Refrigerant. 2.Condenser : 4 row type air cooled. 3.Expansion Valve : 0.5 TR capacity. 4.Evaporator : 1/2″ O.D. copper tube – 75 feet long. 5.Filter – Drier : Silica gel filled – 3/8″ flare connections. 6.Main Tank : 600 mm X 375 mm 7.Total Ice Cane Capacity : 7 Kg 8.Ice Making Capacity : 7 Kg / 4 Hours. 9.Thermocol insulation : 6.5″ 10.Brine Stirrer : Motor driven fan, 1 phase, 1/10 HP, 1440.INSTRUMENTATION:
1.Temperature Indicator : Digital Type O300°c, with 1 °c least count, using Cr/Al thermocouples. Accuracy 1 % of full reading. 2.Compressor Energy Meter : Single Phase, 10 – 20 Amp. Capacity. 3.Pressure Gauge: a)0-21 Kg/cm2 b) -1 to 10.6 Kg/cm2 c) Both of 65 mm dial. 4.Digital Thermometer CONTROLS : 1.HP/LP Cutout : Auto reset type. 2.Thermostat : Auto reset type. A technical manual accompanies the unit.SERVICES REQUIRED:
1.Floor Area – 2m. X 1.5m. X 1.5m. Height. 2.220 V., 15 Amp.Single Phase Stabilized power supply
Refrigeration Trainer Domestic Type
The unit enables students to study the various parameters affecting the performance of a domestic refrigerator. It consists of refrigeration cycle of domestic refrigerator, it consists a hermetically sealed compressor, air-cooled condenser, capillary tube and a natural convection type evaporator. The evaporator is fitted with a small heater to simulate different load conditions various measurements are provided so that power consumption, COP, theoretical and actual refrigerating effects refrigerant flow rate and effect of door opening on power consumption can be studied and also students can visualize automatic operation of unit using a thermostat.
SPECIFICATIONS:
1.Compressor – Hermetically sealed, Kirioskar make having capacity of approx. 1/25 ton of refrigeration. 2.Air – cooled condenser with natural convection airflow. 3.Capillary tube of matched length as expansion device. 4.Evaporator coil with an electric heater inside and adequate glass wool insulation on all side. 5.Measurement a)Energymeter Tore compressor input power measurement. b)Pressure gauge for condensing and evaporating pressure. c)Flow meter for liquid refrigerant flow d)Digital Temperature indicator for measurement of temperature 6.safety & Controls a)High & low pressure cutout. b)Thermostat. c)Necessary Switches. A technical manual accompanies the unit. Also, the unit is provided with an attractive and rust proof powder coating.SERVICES REQUIRED:
1.Floor space of 2m x 1m. 2.230V AC stabilized supply with earthing connection
Desert Cooler Trainer
Desert Cooler Trainer works on the principle of evaporative cooling. It is used mostly in the dry hot regions; it consists of a fan which sucks the air from atmosphere through the pads which are used in desert coolers very frequently. The difference in DBT & WBT at inlet and outlet can be measured hence the RH from the charts. Also the amount of water evaporated can be calculated by knowing the water level difference in the reservoir.
SPECIFICATIONS:
1.Fan connected to 1/2 HP motor. 2.Air Cooler Pump to circulate water. 3.DBT & WBT Measuring Thermometer at inlet and outlet. 4.Orifice meter with manometer to measure the air flow. A technical manual accompanies the unit.SERVICES REQUIRED:
1.Floor Area – 1, X 1 m. X 1 -5m. Height. 2.220 V., 15 Amp. , Single Phase Stabilized power supply
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.
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