Refrigeration Circuit with Variable Load Didactic Equipment Refrigeration Lab Equipment

Refrigeration Circuit with Variable Load Didactic Equipment Refrigeration Lab Equipment

SR2037 Refrigeration Circuit with Variable Load Didactic Equipment Refrigeration Lab Equipment for college, vocational training center, university. 

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SR2037 Refrigeration Circuit with Variable Load Didactic Equipment Refrigeration Lab Equipment

Learning Objectives / Experiments

– design and components of a refrigeration system

* compressor

* condenser

* thermostatic expansion valve

* evaporator

* pressure switch

– representation of the thermodynamic cycle in the log p-h diagram

– determination of important characteristic variables

* coefficient of performance

* refrigeration capacity

* compressor work

– operating behaviour under load

Specification

[1] investigation of a refrigeration circuit with water circuit as load

[2] refrigeration circuit with compressor, condenser with fan, thermostatic expansion valve and coaxial coil heat exchanger as evaporator

[3] water circuit with pump, tank with heater as cooling load at the evaporator

[4] heater with controller to adjust the tank temperature

[5] record of all relevant measured values and display directly at the location of measurement

[6] LabVIEW software for data acquisition via USB under Windows XP or Windows Vista

[7] refrigerant R134a, CFC-free

Technical Data

Compressor

– refrigeration capacity: approx. 380W at 5/40°C

Evaporator

– refrigerant volume: 0.4L

– water volume: 0.8L

Condenser

– transfer area: approx. 0.175m²

– fan power consumption: 2x 29W

Pump

– max. flow rate: 1.9m³/h

– max. head: 1.4m

Tank

– volume: approx. 4.5L

– heater: approx. 450W

Measuring ranges

– pressure: 2x -1…15bar

– compressor power: 1x 0…600W

– temperature: 6x 0…100°C

– flow rate (water): 1x 0.05…1.8L/min

Dimensions and Weight

LxWxH: 1400x560x1800mm

Weight: approx. 120kg

Connections

230V, 50/60Hz, 1 phase or 120V, 60Hz, 1 phase

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