Model Of A Refrigeration System And Freezing Stage

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Model Of A Refrigeration System And Freezing Stage Specification

Weight
45 Kilograms (kg)

Feature
Highly Efficient

Dimension (L*W*H)
850x380x750 Millimeter (mm)

Accuracy
100 %

Power Source
Electric

Warranty
1 year

Type
MODEL OF A REFRIGERATION SYSTEM WITH REFRIGERATION AND FREEZING STAGE

Usage
Laboratory

About Model Of A Refrigeration System And Freezing Stage

MODEL OF A REFRIGERATION SYSTEM WITH REFRIGERATION AND FREEZING STAGE

The HSI training system for refrigeration and air conditioning technology. In combination with the base unit the operational model of a refrigeration system with refrigeration and freezing stage results. The model is plugged onto the base unit, secured using fasteners and connected with refrigerant hoses to become a complete refrigeration circuit.

In refrigeration and freezing combinations evaporators are preferably connected in parallel. To increase the refrigeration capacity, evaporators are operated connected in series. Here different pressure levels in the evaporators can be used to obtain different temperature ranges for refrigeration or freezing. Two separate refrigeration chambers with evaporator and expansion elements.

The operation of individual system components, here temperature control, fan, heater, compressor and solenoid valves, takes place via the software. The software offers the option to simulate faults. Temperatures and pressures in the system are recorded by sensors and displayed dynamically in the software. The effect of parameter changes can be tracked online in the log p-h diagram. Fundamentals and individual components are represented in the educational software for ET 915.02. Performance assessments check the learning progress. With the aid of the

authoring system further exercises and performance assessments can be created.

Learning Objectives / Experiments

Design and operation of a refrigeration system with
Two evaporators
Series and parallel connection of two evaporators
Familiarisation with the different expansion
Elements
Operation with capillary tube
Operation with expansion valve
Operating behaviour under load
Refrigeration cycle in the log p-h diagram
Effect of the evaporation pressure
Fault simulation

Specification

Model of a refrigeration system to plug onto the base unit HIS Training System
Training system with HSI technology
Each refrigeration chamber includes: evaporator with fan (to recirculate the air) and heater to generate the cooling load
Refrigeration chambers with transparent front
Adjustable evaporation pressure controller
Selectable expansion elements: expansion valve or capillary tube
Operating modes of the system configurable via 5 solenoid valves
Sensors to record temperature and pressure
Operation of solenoid valves, fan, heater and fault simulation via software
Software: educational software, data acquisition, system operation
Software for data acquisition via USB under Windows Vista or Windows 7

Technical Data

Refrigeration chamber: LxWxH: 270x270x220mm
Electric PTC heater as cooling load: 210W
Capillary tube: length 2m
Evaporation pressure controller: 0...5,5bar

Measuring ranges

Temperature: 6x -50...50°C
Pressure: 2x -1...9bar

Dimensions and Weight

LxWxH: 850x380x750mm
Weight: approx. 45kg

Engineered for Precise Laboratory Demonstration

This refrigeration system model delivers accurate performance in laboratory settings, enabling students and professionals to explore the workings of modern cooling technology. Its dual-stage design covers both refrigeration and freezing, providing comprehensive hands-on experience.

Built for Reliability and Efficiency

Constructed with durability in mind, the 45 kg model is robust and compact, easily fitting into laboratory workspaces. The electric power system ensures efficient operation, while the included warranty backs its reliability.

FAQs of Model Of A Refrigeration System And Freezing Stage:

Q: How does this refrigeration system model operate for laboratory use?

A: The model operates using an electric power source and demonstrates both refrigeration and freezing processes within a single unit, making it suitable for laboratory experiments and instructional purposes.

Q: What are the main benefits of using this model in educational settings?

A: It provides highly accurate, real-world representation of refrigeration and freezing stages, enhancing students practical understanding while offering reliable, efficient performance.

Q: When is this model typically used in a laboratory environment?

A: This model is commonly utilized during demonstrations, research experiments, and training sessions related to thermal management and cooling technologies.

Q: Where can the refrigeration system model be installed?

A: The models compact dimensions (850x380x750 mm) enable easy installation on standard laboratory tables or benches, making it suitable for most educational or research lab environments.

Q: What is the process for setting up and operating the model?

A: After positioning the model securely, simply connect it to an electric power supply. Operation instructions are provided to ensure safe and effective use for both refrigeration and freezing demonstrations.

Q: What warranty and support are provided with this model?

A: The refrigeration system model comes with a 1-year warranty, covering manufacturing defects and ensuring support from the manufacturer or local supplier in case of any issues.

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