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CRN 448


Teaching suggested applications*

-          Identification of the components of a negative coldroom system

-          Power on, use and settings

-          Study of the basic concept of a R448A installation

-          Setting of equipment at compression level, hermetic piston compressor, heat exchange, powers, performances coefficients.

-          Study of thermodynamic cycle on enthalpic diagram.

-          Study of regulation

-          The system has an industrial rendering


The negative refrigeration unit allows the study of a negative refrigeration system. The system includes all standards components such as compressor, condenser, regulator, evaporator, bottles, pressotats.

The system comes completes, assembled and functional. Students will be able to work on components identification, commissioning, adjusting and checking for proper operation. They will also able to recover the fluid and load (requires tools not provided with the unit).

The robust design of this equipment makes it perfectly suited for use in schools.

Its anodized aluminum structure on wheels makes it extremely robust as well as great flexibility of integration into your premises. The manufacturing of this equipment meets the European machine directive

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*Teaching suggested applications


ZA du Parc
42490 Fraisses

Phone number/Fax

+33 (0)4 77 10 10 10
+33 (0)4 77 61 56 49


Please, give us your technical and teaching requirements and we will manufacture for you your new system.


Because we have the experience, and choose the best suppliers we will assure features and relevance.

The essential of DIDATEC :

Standard range distribution - Research department / Customization

 Units of : Demonstration, Teaching and lab manuals, Research and development.

Technical and lab manuals - Advice and layout plan studies 

Warehouse and trials : 1600 m², Research department : 150 m², Spare parts : 300 m².

Because all systems are being manufactured at our plant, accordind to your specific needs and budgets we will assure quality and long-lived. 

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