Compression Refrigeration System Educational Equipment Air Conditioner Training Equipment

SR2039 Compression Refrigeration System Educational Equipment Air Conditioner Training Equipment

Learning Objectives / Experiments

– function and operational behaviour of the refrigeration circuit components

– operation with expansion valve or with capillary tubes of different lengths

– underfilling or overfilling with refrigerant

– thermodynamic cycle in the log p-h diagram

– calculate the refrigeration capacity from the log p-h diagram and in comparison with

* the measured values

* calculate the coefficient of performance

* calculate the efficiency of the compressor

 Specification

[1] investigation of a refrigeration system with different expansion elements

[2] refrigeration circuit consisting of a hermetic compressor, condenser, evaporator and expansion element

[3] transparent finned tube heat exchangers as condenser and evaporator to observe the phase transitions of the refrigerant

[4] expansion valve and capillary tubes of different lengths as expansion elements

[5] receiver for underfilling/overfilling the system with refrigerant

[6] sensors record pressure and temperature

[7] compressor equipped with two pressure switches

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

[9] refrigerant R134a, CFC-free

Technical Data

Compressor

– power consumption: 213W at 7,2°/32°C

– refrigeration capacity: 372W at 7,2/32°C

Condenser and evaporator with fan

– max. air flow condenser: 300m³/h

– max. air flow evaporator: 180m³/h

Capillary tubes: 1,5m, 3m, 6m

Receiver for refrigerant: 1,3L

Measuring ranges

– pressure: -1…9bar / -1…24bar

– temperature: 4x -40…150°C, 1x -100…100°C

– flow rate: 2…18m³/h

– electric power consumption: 0…1.000W

Dimensions and Weight

LxWxH: 1.730x790x1.760mm

Weight: approx. 150kg

Connections

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