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HFF 134

STUDY OF THE SERVICING OF A REFRIGERATION UNIT

Teaching suggested applications*

-          Identification of an installation components operating to R134a

-          Commissioning and settings (regulator-pressure reducer) of a refrigerating installation

-          How to recover and loading of a refrigerant (requires additional tooling OUT134)

-          Setting of the control components (KVP valve, pressure switch LP, pressure switch HLP)

-          Maintenance operations on a refrigeration installation, replacement of the dehydrator, replacing ultimately a LP (requires additional tooling OUT134)

-          Draw of the refrigeration cycle on enthalpy diagram to check the operation of the installation

Description

The HFF134 bench is designed to train the learners in the handling of refrigerants. The installation is based on a refrigerating cycle operating at R134a. It comprises the main components of a positive installation, a compressor, a condenser, a liquid reservoir, a solenoid control valve, a pressure reducer, an evaporator and a bottle suction line accumulator. Service valves and fittings Schrader allow the learners the connection of a manifold for the load operations, of recovery and of verification of operation.

The cold chamber part is simulated by a cabinet. The cabinet door is equipped with an enthalpy diagram R134a with erasable surface (format A3). A thermostatic control box will control the operation of the solenoid valve (pump down control). Two switches located on the box are used to stop the operation of the solenoid valve and of the condenser (this facilitates adjusting of the pressure switches).

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 a great flexibility of integration into your premises. In the lower part, the bench comprises a storage area equipped with two doors with key locking (storage of tooling).

The manufacturing of this equipment meets European machine directive

This equipment can be used alone or with other compatible equipment in our range (see last section of this document).

Documentation :
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*Teaching suggested applications



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42490 Fraisses
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