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ATB220728R-001 Refrigeration Circuit With Variable Load Teaching Equipment Condenser Trainer Equipment

ATB220728R-001 Refrigeration Circuit With Variable Load Teaching Equipment Condenser Trainer Equipment for college, vocational training center, university. 

ATB220728R-001 Refrigeration Circuit With Variable Load Teaching Equipment Condenser Trainer Equipment

Description

Examines a refrigeration circuit under an adjustable load. The refrigeration circuit consists of a compressor, a condenser with ventilator, a thermostatic expansion valve and a coaxial coil heat exchanger as evaporator. A water circuit serves as load, consisting of a tank with a heater and a pump. The temperature in the tank is adjusted at a controller.

The purpose of this refrigeration circuit is the production of cold water. The water flows through the jacket of the coaxial coil heat exchanger, transfers heat to the refrigerant and thereby cools down.

All relevant measured values are recorded by sensors. The simultaneous transmission of the measured values to a data recording software enables easy analysis and the representation of the process in the log p-h diagram. The  software provides exact data on the condition of the refrigerant, which is used to calculate the refrigerant mass flow rate accurately. The calculation therefore gives a much more accurate result than measurement using conventional methods. The software also displays the key characteristic variables of the process, such as the compressor pressure ratio and the coefficient of performance.

The clearly arranged components aid understanding.

Specification

investigation of a refrigeration circuit with water circuit as load

refrigeration circuit with compressor, condenser with ventilator, thermostatic expansion valve and coaxial coil heat exchanger as evaporator

EC ventilator enables very high load variability

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

heater with controller to adjust the tank temperature

recording of all relevant measured values

refrigerant mass flow rate precisely calculated via  software

 software for data acquisition via USB under Windows 8.1, 10

refrigerant AR513A, GWP: 631

Technical data

Compressor

refrigeration capacity: approx. 479W at 7,2/54,4°C

power consumption: 168W at 7,2/54,4°C

Evaporator

refrigerant volume: 0,4L

water volume: 0,8L

Condenser

transfer area: approx. 1,25m2

air flow 0…1400m3/h

Pump

max. flow rate: 1,9m3/h

max. head: 1,4m

Tank

volume: approx. 4,5L

heater: approx. 450W

Refrigerant: AR513A, GWP: 631

filling volume: 800g

ACO2-equivalent: 0,5t

Measuring ranges

pressure: 2x -1…15bar

power: 0…750W

temperature: 6x 0…100°C

flow rate:

water 0,05…1,8L/min

refrigerant calculated 0…17kg/h

230V, 50Hz, 1 phase; 230V, 60Hz, 1 phase

120V, 60Hz, 1 phase;

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